/* roulang page: index */
:root {
            --color-primary: #C8102E;
            --color-primary-dark: #A00D1D;
            --color-bg: #F7F5F1;
            --color-surface: #FFFFFF;
            --color-ink: #1A1A1A;
            --color-muted: #696969;
            --color-line: #E6E1D8;
            --color-accent-gold: #B58B5A;
            --color-footer-bg: #1A1A1A;
            --color-footer-text: #D9D9D9;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-mono: 'DIN Alternate','SF Mono','Roboto Mono',monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1280px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(200,16,46,0.07);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 650;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-ink);
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .text-center {
            text-align: center;
        }

        .text-gold {
            color: var(--color-accent-gold);
        }

        /* Foundation 按钮覆盖 */
        .button {
            font-family: var(--font-sans);
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            padding: 12px 24px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }

        .button-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            box-shadow: 0 2px 6px rgba(200,16,46,0.25);
        }

        .button-primary:hover {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200,16,46,0.35);
        }

        .button-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(200,16,46,0.2);
        }

        .button-secondary {
            background-color: transparent;
            color: var(--color-ink);
            border: 1.5px solid var(--color-ink);
        }

        .button-secondary:hover {
            background-color: var(--color-bg);
            color: var(--color-primary);
            border-color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-2px);
        }

        .button-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.6);
        }

        .button-outline-light:hover {
            background-color: rgba(255,255,255,0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* 顶部信息条 */
        .top-bar {
            background: var(--color-ink);
            color: #E0E0E0;
            font-size: 12.5px;
            padding: 6px 0;
            position: relative;
            z-index: 40;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 28px;
        }

        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
            overflow: hidden;
            white-space: nowrap;
        }

        .top-bar-left .domain-text {
            color: #B0B0B0;
            font-family: var(--font-mono);
            font-size: 12px;
            letter-spacing: 0.3px;
        }

        .top-bar-left .flash-news {
            color: #E8E8E8;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .top-bar-left .flash-news .dot {
            width: 6px;
            height: 6px;
            background: #4CAF50;
            border-radius: 50%;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .top-bar-right a {
            color: #D0D0D0;
            font-size: 12.5px;
            transition: color var(--transition-fast);
        }

        .top-bar-right a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        /* 主导航 */
        .main-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
            position: sticky;
            top: 0;
            z-index: 30;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            text-decoration: none;
            color: var(--color-primary-dark);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-links-desktop a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-ink);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-primary);
            text-decoration: none;
            background: rgba(200,16,46,0.05);
        }

        .nav-links-desktop a.active {
            color: var(--color-primary);
            font-weight: 650;
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav-cta-btn {
            background: var(--color-primary);
            color: #FFFFFF !important;
            padding: 10px 18px !important;
            border-radius: var(--radius-sm);
            font-weight: 600 !important;
            box-shadow: 0 2px 6px rgba(200,16,46,0.2);
            transition: all var(--transition-base);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(200,16,46,0.3);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-bg);
        }

        /* Hero 区域 */
        .hero-section {
            padding: 56px 0 72px;
            position: relative;
            background: linear-gradient(180deg, #F7F5F1 0%, #F0EBE4 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
            pointer-events: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text {
            animation: fade-up 0.7s ease forwards;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200,16,46,0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .hero-title {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: var(--color-ink);
        }

        .hero-title .highlight {
            color: var(--color-primary);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: var(--color-muted);
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 24px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-ink);
        }

        .hero-stat-value.gold {
            color: var(--color-accent-gold);
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--color-muted);
        }

        .hero-visual {
            animation: fade-up 0.9s ease forwards;
            animation-delay: 0.15s;
        }

        .hero-tool-panel {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 28px;
        }

        .tool-panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--color-line);
        }

        .tool-panel-title {
            font-size: 16px;
            font-weight: 650;
            color: var(--color-ink);
        }

        .tool-panel-badge {
            font-size: 12px;
            background: rgba(74,175,80,0.1);
            color: #388E3C;
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 600;
        }

        .lottery-number-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .lottery-ball {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            font-family: var(--font-mono);
            color: #FFFFFF;
            background: var(--color-primary);
            box-shadow: 0 2px 8px rgba(200,16,46,0.3);
        }

        .lottery-ball.gold-ball {
            background: var(--color-accent-gold);
            box-shadow: 0 2px 8px rgba(181,139,90,0.3);
            color: #1A1A1A;
        }

        .tool-panel-info {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13.5px;
            color: var(--color-muted);
            margin-bottom: 16px;
        }

        .tool-panel-info span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .tool-panel-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        @keyframes fade-up {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 指标看板 */
        .metrics-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .metric-card {
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: rgba(200,16,46,0.3);
        }

        .metric-value {
            font-size: 28px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-ink);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .metric-value .trend-up {
            color: #388E3C;
            font-size: 14px;
            font-weight: 600;
        }

        .metric-value .trend-down {
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
        }

        .metric-label {
            font-size: 14px;
            color: var(--color-muted);
            margin-top: 6px;
        }

        .metric-note {
            font-size: 12px;
            color: #A0A0A0;
            margin-top: 4px;
        }

        /* 渠道卖点 / 三步上手 */
        .selling-points-section {
            background: var(--color-bg);
        }

        .selling-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .steps-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition-base);
        }

        .step-item:hover {
            border-color: rgba(200,16,46,0.3);
            box-shadow: var(--shadow-sm);
        }

        .step-number {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 17px;
            font-weight: 650;
            margin-bottom: 6px;
            color: var(--color-ink);
        }

        .step-content p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.7;
        }

        .objection-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .objection-item {
            background: rgba(200,16,46,0.04);
            border-left: 3px solid var(--color-primary);
            padding: 14px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14.5px;
            color: var(--color-ink);
            line-height: 1.7;
        }

        /* 服务矩阵 */
        .services-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }

        .services-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 20px;
        }

        .service-card {
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card.large {
            grid-row: span 2;
            justify-content: space-between;
        }

        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: rgba(200,16,46,0.3);
        }

        .service-card .service-img-wrapper {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 4px;
        }

        .service-card .service-img-wrapper img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .service-card:hover .service-img-wrapper img {
            transform: scale(1.03);
        }

        .service-number {
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-accent-gold);
            letter-spacing: 1px;
        }

        .service-card h3 {
            font-size: 19px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 4px;
        }

        .service-card p {
            font-size: 14.5px;
            color: var(--color-muted);
            line-height: 1.7;
            flex-grow: 1;
        }

        .service-card .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .service-card .service-link:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        /* 成功数据条 */
        .success-data-bar {
            background: var(--color-ink);
            padding: 48px 0;
        }

        .success-data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .success-data-item {
            text-align: center;
            color: #FFFFFF;
        }

        .success-data-value {
            font-size: 36px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-accent-gold);
            line-height: 1.2;
        }

        .success-data-label {
            font-size: 14px;
            color: #B0B0B0;
            margin-top: 4px;
        }

        /* 结果对比 */
        .comparison-section {
            background: var(--color-bg);
        }

        .comparison-table-wrap {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14.5px;
        }

        .comparison-table th {
            background: #FAF8F5;
            font-weight: 650;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-line);
            font-size: 13.5px;
            letter-spacing: 0.3px;
            color: var(--color-ink);
        }

        .comparison-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #F0EDE8;
            color: var(--color-ink);
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tbody tr {
            transition: background var(--transition-fast);
        }

        .comparison-table tbody tr:hover {
            background: rgba(200,16,46,0.04);
        }

        .comparison-table .highlight-row {
            background: rgba(200,16,46,0.05);
        }

        .comparison-table .table-ball {
            display: inline-flex;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            font-family: var(--font-mono);
            margin-right: 4px;
        }

        .comparison-table .table-ball.gold {
            background: var(--color-accent-gold);
            color: #1A1A1A;
        }

        .table-link {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 13.5px;
            white-space: nowrap;
        }

        .table-link:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        /* 新闻中心 */
        .news-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr;
            gap: 32px;
        }

        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid #F0EDE8;
            transition: background var(--transition-fast);
        }

        .news-item:first-child {
            padding-top: 0;
        }

        .news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-item:hover {
            background: rgba(200,16,46,0.03);
        }

        .news-date {
            font-size: 12.5px;
            color: var(--color-accent-gold);
            font-family: var(--font-mono);
            white-space: nowrap;
            min-width: 72px;
            padding-top: 3px;
            font-weight: 600;
        }

        .news-content h4 {
            font-size: 16px;
            font-weight: 650;
            margin-bottom: 6px;
            color: var(--color-ink);
            line-height: 1.4;
        }

        .news-content h4 a {
            color: var(--color-ink);
        }

        .news-content h4 a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .news-content .news-summary {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .news-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            transition: all var(--transition-fast);
        }

        .news-read-more:hover {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
            text-decoration: none;
        }

        .news-sidebar {
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .news-sidebar-title {
            font-size: 16px;
            font-weight: 650;
            margin-bottom: 14px;
            color: var(--color-ink);
        }

        .news-sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-sidebar-list li {
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-muted);
            border-left: 2px solid var(--color-line);
            padding-left: 12px;
            transition: border-color var(--transition-fast);
        }

        .news-sidebar-list li:hover {
            border-left-color: var(--color-primary);
        }

        .news-sidebar-list li a {
            color: var(--color-ink);
            font-weight: 500;
        }

        .news-sidebar-list li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        /* 深度内容 */
        .deep-content-section {
            background: var(--color-bg);
        }

        .deep-content-block {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .deep-content-block:last-child {
            margin-bottom: 0;
        }

        .deep-content-left h3 {
            font-size: 22px;
            font-weight: 650;
            margin-bottom: 10px;
            color: var(--color-ink);
        }

        .deep-content-left .deep-tag {
            display: inline-block;
            font-size: 12px;
            background: rgba(200,16,46,0.08);
            color: var(--color-primary);
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .deep-content-left img {
            border-radius: var(--radius-sm);
            margin-top: 16px;
            width: 100%;
            height: auto;
        }

        .deep-content-right p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-ink);
            margin-bottom: 14px;
        }

        .deep-content-right p strong {
            font-weight: 650;
        }

        .deep-content-right ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 14px;
        }

        .deep-content-right ul li {
            font-size: 14.5px;
            color: var(--color-muted);
            line-height: 1.8;
            padding-left: 20px;
            position: relative;
            margin-bottom: 6px;
        }

        .deep-content-right ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        /* 品牌介绍 */
        .brand-intro-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }

        .brand-intro-card {
            background: linear-gradient(135deg, #FAF8F5 0%, #F5F0E9 100%);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro-card p {
            font-size: 16px;
            line-height: 2;
            color: var(--color-ink);
            max-width: 900px;
        }

        /* 任务进度 */
        .task-progress-section {
            background: var(--color-bg);
        }

        .task-progress-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .task-steps {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .task-step {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition-base);
        }

        .task-step:hover {
            border-color: rgba(200,16,46,0.3);
            box-shadow: var(--shadow-sm);
        }

        .task-step-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .task-step.completed .task-step-icon {
            background: #4CAF50;
            color: #FFFFFF;
        }

        .task-step.in-progress .task-step-icon {
            background: var(--color-primary);
            color: #FFFFFF;
        }

        .task-step.pending .task-step-icon {
            background: #E0DDD8;
            color: var(--color-muted);
        }

        .task-step-content {
            flex: 1;
        }

        .task-step-content h4 {
            font-size: 15px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 2px;
        }

        .task-step-content p {
            font-size: 13.5px;
            color: var(--color-muted);
        }

        .progress-bar-wrap {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .progress-bar-wrap h3 {
            font-size: 18px;
            font-weight: 650;
            margin-bottom: 16px;
            color: var(--color-ink);
        }

        .progress-item {
            margin-bottom: 18px;
        }

        .progress-item-label {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 6px;
        }

        .progress-bar-bg {
            background: #EDEAE5;
            border-radius: 10px;
            height: 8px;
            overflow: hidden;
        }

        .progress-bar-fill {
            height: 100%;
            border-radius: 10px;
            transition: width 1s ease;
        }

        .progress-bar-fill.primary {
            background: var(--color-primary);
        }

        .progress-bar-fill.gold {
            background: var(--color-accent-gold);
        }

        .progress-bar-fill.green {
            background: #4CAF50;
        }

        /* 评价墙 */
        .testimonials-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: rgba(200,16,46,0.3);
        }

        .testimonial-stars {
            color: var(--color-accent-gold);
            font-size: 15px;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }

        .testimonial-text {
            font-size: 14.5px;
            color: var(--color-ink);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent-gold);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .testimonial-user-info {
            font-size: 13px;
            color: var(--color-muted);
        }

        .testimonial-user-info strong {
            display: block;
            color: var(--color-ink);
            font-size: 14px;
        }

        /* 保障图标条 */
        .guarantee-section {
            background: var(--color-bg);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .guarantee-item {
            text-align: center;
            padding: 16px;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .guarantee-item:hover {
            border-color: rgba(200,16,46,0.3);
            box-shadow: var(--shadow-sm);
        }

        .guarantee-item i {
            font-size: 28px;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 4px;
        }

        .guarantee-item p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(200,16,46,0.3);
        }

        .faq-question {
            background: #FFFFFF;
            padding: 16px 20px;
            font-size: 15.5px;
            font-weight: 650;
            color: var(--color-ink);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #FAF8F5;
        }

        .faq-question .faq-icon {
            color: var(--color-primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }

        .faq-question.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            background: #FAF8F5;
        }

        .faq-answer-inner {
            padding: 14px 0;
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--color-muted);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 16px;
        }

        /* 转化表单 */
        .lead-form-section {
            background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
        }

        .lead-form-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
            max-width: 560px;
            margin: 0 auto;
        }

        .lead-form-card h3 {
            font-size: 22px;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--color-ink);
            text-align: center;
        }

        .lead-form-card .form-desc {
            font-size: 14px;
            color: var(--color-muted);
            text-align: center;
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            font-family: var(--font-sans);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            color: var(--color-ink);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
        }

        .form-group input::placeholder {
            color: #A0A0A0;
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--color-primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 650;
            cursor: pointer;
            font-family: var(--font-sans);
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
        }

        .form-submit-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200,16,46,0.3);
        }

        .form-submit-btn:active {
            transform: translateY(1px);
        }

        .form-privacy-note {
            font-size: 12px;
            color: #A0A0A0;
            text-align: center;
            margin-top: 14px;
            line-height: 1.6;
        }

        /* 隐私说明 */
        .privacy-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }

        .privacy-card {
            max-width: 800px;
            margin: 0 auto;
            background: #FAF8F5;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 28px;
        }

        .privacy-card h3 {
            font-size: 18px;
            font-weight: 650;
            margin-bottom: 12px;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .privacy-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .privacy-card ul {
            list-style: none;
            padding-left: 0;
        }

        .privacy-card ul li {
            font-size: 13.5px;
            color: var(--color-muted);
            padding-left: 18px;
            position: relative;
            margin-bottom: 6px;
            line-height: 1.7;
        }

        .privacy-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #4CAF50;
            font-weight: 700;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 64px 0 40px;
            border-top: 3px solid var(--color-primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .footer-brand p {
            font-size: 13.5px;
            color: #A0A0A0;
            line-height: 1.8;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13.5px;
            color: #A0A0A0;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 12.5px;
            color: #808080;
        }

        .footer-bottom a {
            color: #A0A0A0;
            font-size: 12.5px;
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        .footer-bottom .footer-icp {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-surface);
            z-index: 60;
            box-shadow: 4px 0 24px rgba(0,0,0,0.15);
            padding: 20px;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            overflow-y: auto;
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--color-line);
        }

        .mobile-menu-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .mobile-close-btn {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-ink);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }

        .mobile-close-btn:hover {
            background: var(--color-bg);
        }

        .mobile-menu-nav {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu-nav li a {
            display: block;
            padding: 12px 14px;
            font-size: 15px;
            color: var(--color-ink);
            border-radius: var(--radius-sm);
            font-weight: 500;
        }

        .mobile-menu-nav li a:hover {
            background: rgba(200,16,46,0.05);
            color: var(--color-primary);
            text-decoration: none;
        }

        .mobile-menu-nav li a.active {
            background: rgba(200,16,46,0.08);
            color: var(--color-primary);
            font-weight: 650;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.4);
            z-index: 55;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.show {
            display: block;
            opacity: 1;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-title {
                font-size: 36px;
            }

            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .services-grid {
                grid-template-columns: 1fr 1fr;
            }

            .service-card.large {
                grid-column: span 2;
                grid-row: auto;
            }

            .success-data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

            .selling-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .task-progress-grid {
                grid-template-columns: 1fr;
            }

            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: var(--section-pad-mobile);
            }

            .section-title {
                font-size: 26px;
            }

            .nav-links-desktop {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .mobile-menu {
                display: block;
            }

            .top-bar-left .flash-news {
                display: none;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .metric-card {
                padding: 14px;
            }

            .metric-value {
                font-size: 22px;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .service-card.large {
                grid-column: span 1;
            }

            .success-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .success-data-value {
                font-size: 28px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .lead-form-card {
                padding: 24px;
            }

            .deep-content-block {
                padding: 20px;
            }

            .brand-intro-card {
                padding: 24px;
            }

            .comparison-table {
                font-size: 12px;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 8px 8px;
            }

            .comparison-table .table-ball {
                width: 22px;
                height: 22px;
                font-size: 10px;
                margin-right: 2px;
            }

            .news-item {
                flex-direction: column;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
                letter-spacing: -0.5px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .button {
                width: 100%;
                justify-content: center;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .metric-card {
                padding: 10px;
            }

            .metric-value {
                font-size: 18px;
            }

            .metric-label {
                font-size: 12px;
            }

            .success-data-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 22px;
            }

            .brand-logo {
                font-size: 18px;
            }

            .brand-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .main-nav {
                min-height: 56px;
            }

            .top-bar .container {
                flex-direction: column;
                gap: 4px;
                padding: 6px 16px;
            }

            .top-bar-left .domain-text {
                font-size: 11px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #C8102E;
            --color-primary-dark: #A00D1D;
            --color-bg: #F7F5F1;
            --color-surface: #FFFFFF;
            --color-ink: #1A1A1A;
            --color-muted: #696969;
            --color-line: #E6E1D8;
            --color-accent-gold: #B58B5A;
            --color-footer-bg: #1A1A1A;
            --color-footer-text: #D9D9D9;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-mono: 'DIN Alternate','SF Mono','Roboto Mono',monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --section-pad-desktop: 72px 0;
            --section-pad-mobile: 44px 0;
            --container-max: 1280px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }
        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(200,16,46,0.07);
            padding: 4px 12px;
            border-radius: 20px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 650;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--color-ink);
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 760px;
            margin-bottom: 28px;
        }
        .text-center {
            text-align: center;
        }
        .text-gold {
            color: var(--color-accent-gold);
        }
        .button {
            font-family: var(--font-sans);
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            padding: 12px 24px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }
        .button-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            box-shadow: 0 2px 6px rgba(200,16,46,0.25);
        }
        .button-primary:hover {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200,16,46,0.35);
        }
        .button-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(200,16,46,0.2);
        }
        .button-secondary {
            background-color: transparent;
            color: var(--color-ink);
            border: 1.5px solid var(--color-ink);
        }
        .button-secondary:hover {
            background-color: var(--color-bg);
            color: var(--color-primary);
            border-color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-2px);
        }
        .button-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.6);
        }
        .button-outline-light:hover {
            background-color: rgba(255,255,255,0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .top-bar {
            background-color: #1A1A1A;
            color: #B0B0B0;
            min-height: 32px;
            display: flex;
            align-items: center;
            font-size: 12.5px;
            position: relative;
            z-index: 31;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 28px;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar-left .domain-text {
            color: #B0B0B0;
            font-family: var(--font-mono);
            font-size: 12px;
            letter-spacing: 0.3px;
        }
        .top-bar-left .status-text {
            color: #8F8F8F;
            font-size: 12px;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar-right a {
            color: #D0D0D0;
            font-size: 12.5px;
            transition: color var(--transition-fast);
        }
        .top-bar-right a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }
        .main-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
            position: sticky;
            top: 32px;
            z-index: 30;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .nav-links-desktop a {
            color: var(--color-ink);
            font-size: 14.5px;
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-links-desktop a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .nav-links-desktop a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width var(--transition-base);
        }
        .nav-links-desktop a:hover::after,
        .nav-links-desktop a.active::after {
            width: 100%;
        }
        .nav-links-desktop a.active {
            color: var(--color-primary);
            font-weight: 650;
        }
        .nav-cta-btn {
            background: var(--color-primary);
            color: #FFFFFF !important;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            font-weight: 600 !important;
            font-size: 13.5px !important;
            transition: all var(--transition-base) !important;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(200,16,46,0.3);
        }
        .nav-cta-btn::after {
            display: none !important;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--color-ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--color-bg);
        }
        .mobile-menu {
            display: none;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
            padding: 16px 0;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 29;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: var(--color-ink);
            font-size: 15px;
            font-weight: 500;
            border-bottom: 1px solid rgba(230,225,216,0.5);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover {
            background: var(--color-bg);
            color: var(--color-primary);
            text-decoration: none;
        }
        .mobile-menu a.active {
            color: var(--color-primary);
            font-weight: 650;
            border-left: 3px solid var(--color-primary);
            padding-left: 13px;
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .page-hero {
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2A27 50%, #3A2E28 100%);
            color: #FFFFFF;
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-content {
            max-width: 660px;
        }
        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }
        .page-hero .hero-sub {
            font-size: 17px;
            color: #D9D9D9;
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 580px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-panel {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            margin-top: -28px;
            position: relative;
            z-index: 5;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-end;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 140px;
            flex: 1;
        }
        .filter-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: 0.5px;
        }
        .filter-group select,
        .filter-group input {
            padding: 9px 12px;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-ink);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-width: 0;
        }
        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(200,16,46,0.12);
            outline: none;
        }
        .filter-btn {
            background: var(--color-primary);
            color: #FFFFFF;
            border: none;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            font-family: var(--font-sans);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .filter-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(200,16,46,0.3);
        }
        .trend-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 32px;
        }
        .overview-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .overview-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(200,16,46,0.3);
        }
        .overview-card .card-label {
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .overview-card .card-value {
            font-size: 28px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-ink);
            letter-spacing: -1px;
        }
        .overview-card .card-value.text-gold {
            color: var(--color-accent-gold);
        }
        .overview-card .card-note {
            font-size: 12.5px;
            color: var(--color-muted);
            margin-top: 6px;
        }
        .trend-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .trend-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .trend-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(200,16,46,0.25);
        }
        .trend-card .trend-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-line);
        }
        .trend-card .lottery-name {
            font-size: 17px;
            font-weight: 650;
            color: var(--color-ink);
        }
        .trend-card .trend-badge {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: 600;
            background: rgba(200,16,46,0.08);
            color: var(--color-primary);
        }
        .trend-card .trend-badge.hot {
            background: rgba(200,16,46,0.12);
        }
        .trend-card .trend-badge.cool {
            background: rgba(105,105,105,0.1);
            color: var(--color-muted);
        }
        .trend-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .trend-number-ball {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            font-family: var(--font-mono);
            transition: all var(--transition-fast);
        }
        .trend-number-ball.blue-ball {
            background: #2B5EA7;
        }
        .trend-number-ball.gold-ball {
            background: var(--color-accent-gold);
        }
        .trend-card .trend-stats {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-muted);
        }
        .trend-card .trend-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .chart-area {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            margin-top: 20px;
        }
        .chart-area .chart-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .chart-area .chart-title {
            font-size: 18px;
            font-weight: 650;
            color: var(--color-ink);
        }
        .chart-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .chart-tab {
            padding: 7px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid var(--color-line);
            background: var(--color-bg);
            color: var(--color-muted);
            transition: all var(--transition-base);
            font-family: var(--font-sans);
        }
        .chart-tab:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .chart-tab.active {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }
        .chart-visual {
            background: linear-gradient(180deg, rgba(200,16,46,0.03) 0%, rgba(255,255,255,1) 100%);
            border: 1px dashed var(--color-line);
            border-radius: var(--radius-md);
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .chart-visual .chart-pattern {
            display: flex;
            gap: 4px;
            align-items: flex-end;
            height: 180px;
            padding: 20px;
        }
        .chart-visual .chart-bar {
            width: 28px;
            background: var(--color-primary);
            border-radius: 3px 3px 0 0;
            transition: height var(--transition-base);
            opacity: 0.85;
        }
        .chart-visual .chart-bar:nth-child(even) {
            background: var(--color-accent-gold);
            opacity: 0.8;
        }
        .chart-visual .chart-bar:hover {
            opacity: 1;
            transform: scaleY(1.03);
            transform-origin: bottom;
        }
        .chart-visual .chart-placeholder-text {
            position: absolute;
            font-size: 14px;
            color: var(--color-muted);
            pointer-events: none;
        }
        .stats-summary-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
            margin-top: 24px;
        }
        .stat-mini-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            padding: 16px 14px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .stat-mini-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .stat-mini-card .stat-label {
            font-size: 12px;
            color: var(--color-muted);
            margin-bottom: 6px;
        }
        .stat-mini-card .stat-number {
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-ink);
        }
        .stat-mini-card .stat-number.highlight {
            color: var(--color-primary);
        }
        .stat-mini-card .stat-number.warm {
            color: var(--color-accent-gold);
        }
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(200,16,46,0.35);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 15.5px;
            font-weight: 600;
            font-family: var(--font-sans);
            color: var(--color-ink);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .fa-chevron-down {
            transition: transform var(--transition-base);
            font-size: 14px;
            color: var(--color-muted);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-answer-inner {
            padding-bottom: 18px;
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding-top: 4px;
        }
        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .cta-band {
            background: linear-gradient(135deg, #1A1A1A 0%, #3A2E28 100%);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(200,16,46,0.15);
            pointer-events: none;
        }
        .cta-band .cta-text {
            color: #FFFFFF;
            max-width: 520px;
            position: relative;
            z-index: 1;
        }
        .cta-band .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #FFFFFF;
        }
        .cta-band .cta-text p {
            color: #D9D9D9;
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-band .cta-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: #B0B0B0;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #B0B0B0;
            font-size: 13.5px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: #8F8F8F;
        }
        .footer-icp {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .footer-icp a {
            color: #B0B0B0;
            font-size: 12.5px;
            transition: color var(--transition-fast);
        }
        .footer-icp a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }
        @media (max-width: 1024px) {
            .trend-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trend-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-summary-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-links-desktop {
                gap: 14px;
            }
            .nav-links-desktop a {
                font-size: 13.5px;
            }
        }
        @media (max-width: 768px) {
            section {
                padding: var(--section-pad-mobile);
            }
            .page-hero {
                padding: 44px 0 40px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .trend-cards-grid {
                grid-template-columns: 1fr;
            }
            .trend-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stats-summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .filter-panel {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .filter-group {
                width: 100%;
                min-width: unset;
            }
            .cta-band {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }
            .cta-band .cta-text h3 {
                font-size: 20px;
            }
            .cta-band .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-icp {
                justify-content: center;
            }
            .main-header {
                top: 32px;
            }
            .nav-links-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.show {
                display: block;
            }
            .top-bar-left .status-text {
                display: none;
            }
            .chart-visual .chart-bar {
                width: 14px;
            }
            .chart-visual .chart-pattern {
                gap: 2px;
                padding: 10px;
                height: 140px;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .hero-actions .button {
                padding: 10px 18px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .trend-overview-grid {
                grid-template-columns: 1fr;
            }
            .stats-summary-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-mini-card {
                padding: 10px 8px;
            }
            .stat-mini-card .stat-number {
                font-size: 17px;
            }
            .trend-number-ball {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .cta-band .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-band .cta-actions .button {
                width: 100%;
                justify-content: center;
            }
            .chart-area {
                padding: 16px;
            }
            .top-bar-right {
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
        --color-primary: #C8102E;
        --color-primary-dark: #A00D1D;
        --color-bg: #F7F5F1;
        --color-surface: #FFFFFF;
        --color-ink: #1A1A1A;
        --color-muted: #696969;
        --color-line: #E6E1D8;
        --color-accent-gold: #B58B5A;
        --color-footer-bg: #1A1A1A;
        --color-footer-text: #D9D9D9;
        --radius-sm: 6px;
        --radius-md: 8px;
        --radius-lg: 10px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
        --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
        --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
        --font-mono: 'DIN Alternate','SF Mono','Roboto Mono',monospace;
        --transition-fast: 0.18s ease;
        --transition-base: 0.28s ease;
        --section-pad-desktop: 80px 0;
        --section-pad-mobile: 48px 0;
        --container-max: 1280px;
    }

    html {
        scroll-behavior: smooth;
        font-size: 16px;
        scroll-padding-top: 90px;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--color-bg);
        color: var(--color-ink);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }
    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-fast), text-decoration var(--transition-fast);
    }
    a:hover {
        color: var(--color-primary-dark);
        text-decoration: underline;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 16px;
    }
    section {
        padding: var(--section-pad-desktop);
        position: relative;
    }
    .section-label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 2px;
        color: var(--color-primary);
        text-transform: uppercase;
        margin-bottom: 12px;
        background: rgba(200,16,46,0.07);
        padding: 4px 12px;
        border-radius: 20px;
    }
    .section-title {
        font-size: 32px;
        font-weight: 650;
        line-height: 1.3;
        margin-bottom: 16px;
        color: var(--color-ink);
        letter-spacing: -0.5px;
    }
    .section-desc {
        font-size: 16px;
        color: var(--color-muted);
        line-height: 1.8;
        max-width: 720px;
        margin-bottom: 32px;
    }
    .text-center {
        text-align: center;
    }
    .text-gold {
        color: var(--color-accent-gold);
    }

    .button {
        font-family: var(--font-sans);
        border-radius: var(--radius-sm);
        font-weight: 600;
        letter-spacing: 0.5px;
        transition: all var(--transition-base);
        padding: 12px 24px;
        font-size: 15px;
        border: none;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        line-height: 1.4;
        text-decoration: none;
    }
    .button-primary {
        background-color: var(--color-primary);
        color: #FFFFFF;
        box-shadow: 0 2px 6px rgba(200,16,46,0.25);
    }
    .button-primary:hover {
        background-color: var(--color-primary-dark);
        color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(200,16,46,0.35);
    }
    .button-primary:active {
        transform: translateY(1px);
        box-shadow: 0 2px 4px rgba(200,16,46,0.2);
    }
    .button-secondary {
        background-color: transparent;
        color: var(--color-ink);
        border: 1.5px solid var(--color-ink);
    }
    .button-secondary:hover {
        background-color: var(--color-bg);
        color: var(--color-primary);
        border-color: var(--color-primary);
        text-decoration: none;
        transform: translateY(-2px);
    }
    .button-outline-light {
        background-color: transparent;
        color: #FFFFFF;
        border: 1.5px solid rgba(255,255,255,0.6);
    }
    .button-outline-light:hover {
        background-color: rgba(255,255,255,0.1);
        color: #FFFFFF;
        border-color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-2px);
    }

    .top-bar {
        background-color: #1A1A1A;
        padding: 4px 0;
        border-bottom: 1px solid #2A2A2A;
    }
    .top-bar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        min-height: 28px;
    }
    .top-bar-left .domain-text {
        color: #B0B0B0;
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.3px;
    }
    .top-bar-right a {
        color: #D0D0D0;
        font-size: 12.5px;
        transition: color var(--transition-fast);
        margin-left: 10px;
    }
    .top-bar-right a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }

    .main-header {
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        position: sticky;
        top: 0;
        z-index: 30;
        box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        min-height: 64px;
        display: flex;
        align-items: center;
    }
    .main-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 20px;
        font-weight: 700;
        color: var(--color-ink);
        text-decoration: none;
        white-space: nowrap;
    }
    .brand-logo:hover {
        color: var(--color-primary);
        text-decoration: none;
    }
    .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--color-primary);
        color: #FFFFFF;
        border-radius: 6px;
        font-size: 16px;
    }
    .nav-links-desktop {
        display: flex;
        align-items: center;
        gap: 22px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .nav-links-desktop a {
        color: var(--color-ink);
        font-size: 14px;
        font-weight: 500;
        position: relative;
        padding: 6px 0;
        transition: color var(--transition-fast);
        text-decoration: none;
        white-space: nowrap;
    }
    .nav-links-desktop a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--color-primary);
        transition: width var(--transition-base);
    }
    .nav-links-desktop a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }
    .nav-links-desktop a:hover::after {
        width: 100%;
    }
    .nav-links-desktop a.active {
        color: var(--color-primary);
        font-weight: 600;
    }
    .nav-links-desktop a.active::after {
        width: 100%;
    }
    .nav-cta-btn {
        background: var(--color-primary);
        color: #FFFFFF !important;
        padding: 8px 16px !important;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 13px;
        transition: all var(--transition-base);
    }
    .nav-cta-btn:hover {
        background: var(--color-primary-dark);
        transform: translateY(-1px);
        text-decoration: none;
    }
    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 22px;
        color: var(--color-ink);
        cursor: pointer;
        padding: 6px;
        border-radius: 4px;
        transition: background var(--transition-fast);
    }
    .mobile-toggle:hover {
        background: var(--color-bg);
    }
    .mobile-nav {
        display: none;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        padding: 10px 16px 16px;
        flex-direction: column;
        gap: 10px;
    }
    .mobile-nav.open {
        display: flex;
    }
    .mobile-nav a {
        color: var(--color-ink);
        font-size: 15px;
        padding: 8px 0;
        border-bottom: 1px solid var(--color-line);
        text-decoration: none;
    }
    .mobile-nav a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }
    .mobile-nav a.active {
        color: var(--color-primary);
        font-weight: 600;
    }

    .hero-section {
        padding: 64px 0 56px;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        position: relative;
        overflow: hidden;
    }
    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 45%;
        height: 100%;
        background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
        opacity: 0.08;
        pointer-events: none;
    }
    .hero-grid {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 48px;
        align-items: center;
        position: relative;
        z-index: 1;
    }
    .hero-title {
        font-size: 44px;
        font-weight: 700;
        line-height: 1.15;
        color: var(--color-ink);
        margin-bottom: 20px;
        letter-spacing: -1px;
    }
    .hero-title .highlight {
        color: var(--color-primary);
    }
    .hero-subtitle {
        font-size: 17px;
        color: var(--color-muted);
        line-height: 1.8;
        margin-bottom: 28px;
        max-width: 520px;
    }
    .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .hero-panel {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: 24px 20px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .hero-panel-item {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding: 10px 12px;
        background: var(--color-bg);
        border-radius: var(--radius-sm);
        border-left: 3px solid var(--color-primary);
    }
    .hero-panel-item .label {
        font-size: 12px;
        color: var(--color-muted);
    }
    .hero-panel-item .value {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-ink);
        font-family: var(--font-mono);
    }

    .rules-layout-section {
        background: var(--color-bg);
        padding: 56px 0;
    }
    .rules-layout-grid {
        display: grid;
        grid-template-columns: 260px 1fr;
        gap: 36px;
        align-items: start;
    }
    .rules-toc {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 20px 16px;
        position: sticky;
        top: 90px;
        box-shadow: var(--shadow-sm);
    }
    .rules-toc-title {
        font-size: 14px;
        font-weight: 700;
        color: var(--color-ink);
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--color-line);
    }
    .rules-toc ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    .rules-toc ul a {
        display: block;
        padding: 8px 10px;
        font-size: 13.5px;
        color: var(--color-muted);
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
        text-decoration: none;
    }
    .rules-toc ul a:hover {
        background: rgba(200,16,46,0.05);
        color: var(--color-primary);
        text-decoration: none;
    }
    .rules-toc ul a.active {
        background: rgba(200,16,46,0.1);
        color: var(--color-primary);
        font-weight: 600;
    }
    .rules-content {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .rule-detail-card {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        box-shadow: var(--shadow-sm);
        transition: box-shadow var(--transition-base);
    }
    .rule-detail-card:hover {
        box-shadow: var(--shadow-md);
    }
    .rule-detail-card .rule-title {
        font-size: 22px;
        font-weight: 650;
        color: var(--color-ink);
        margin-bottom: 6px;
    }
    .rule-detail-card .rule-meta {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 16px;
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .rule-detail-card .rule-meta span {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .rule-detail-card .rule-body {
        color: var(--color-ink);
        line-height: 1.85;
    }
    .rule-detail-card .rule-body p {
        margin-bottom: 14px;
    }
    .rule-detail-card .rule-body ul {
        padding-left: 20px;
        margin-bottom: 14px;
    }
    .rule-detail-card .rule-body li {
        margin-bottom: 6px;
    }
    .rule-detail-card .rule-body .highlight-box {
        background: rgba(200,16,46,0.04);
        border-left: 3px solid var(--color-primary);
        padding: 12px 16px;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin-bottom: 14px;
        font-size: 14px;
        color: var(--color-muted);
    }

    .lottery-rules-section {
        background: var(--color-surface);
        border-top: 1px solid var(--color-line);
        border-bottom: 1px solid var(--color-line);
        padding: 56px 0;
    }
    .lottery-rules-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        margin-top: 28px;
    }
    .lottery-rule-card {
        display: flex;
        gap: 16px;
        padding: 20px 18px;
        background: var(--color-bg);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
        cursor: default;
    }
    .lottery-rule-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
        border-color: var(--color-primary);
    }
    .lottery-rule-card .card-icon {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        background: rgba(200,16,46,0.1);
        color: var(--color-primary);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
    }
    .lottery-rule-card .card-content h4 {
        font-size: 17px;
        font-weight: 600;
        color: var(--color-ink);
        margin-bottom: 6px;
    }
    .lottery-rule-card .card-content p {
        font-size: 14px;
        color: var(--color-muted);
        line-height: 1.7;
        margin: 0;
    }

    .compare-section {
        background: var(--color-bg);
        padding: 56px 0;
    }
    .compare-table-wrap {
        overflow-x: auto;
        border-radius: var(--radius-md);
        border: 1px solid var(--color-line);
        background: var(--color-surface);
        box-shadow: var(--shadow-sm);
        margin-top: 24px;
    }
    .compare-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 700px;
        margin: 0;
    }
    .compare-table th {
        background: var(--color-ink);
        color: #FFFFFF;
        font-size: 14px;
        font-weight: 600;
        padding: 14px 16px;
        text-align: left;
        white-space: nowrap;
    }
    .compare-table td {
        padding: 14px 16px;
        font-size: 14px;
        border-bottom: 1px solid var(--color-line);
        color: var(--color-ink);
        vertical-align: top;
    }
    .compare-table tr:nth-child(even) td {
        background: rgba(0,0,0,0.02);
    }
    .compare-table tr:hover td {
        background: rgba(200,16,46,0.04);
    }
    .compare-table .highlight-col {
        color: var(--color-primary);
        font-weight: 600;
    }

    .risk-section {
        background: var(--color-surface);
        border-top: 1px solid var(--color-line);
        padding: 56px 0;
    }
    .risk-card {
        background: #FFF8F6;
        border: 1.5px solid var(--color-primary);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        box-shadow: var(--shadow-sm);
        max-width: 820px;
    }
    .risk-card h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .risk-card p {
        font-size: 15px;
        color: var(--color-ink);
        line-height: 1.8;
        margin-bottom: 10px;
    }
    .risk-card ul {
        padding-left: 20px;
        color: var(--color-muted);
        font-size: 14px;
    }
    .risk-card ul li {
        margin-bottom: 6px;
    }

    .myth-section {
        background: var(--color-bg);
        padding: 56px 0;
    }
    .myth-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin-top: 24px;
    }
    .myth-card {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 20px 18px;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition-base);
    }
    .myth-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    .myth-card .myth-badge {
        display: inline-block;
        background: var(--color-primary);
        color: #FFFFFF;
        font-size: 12px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 20px;
        margin-bottom: 10px;
    }
    .myth-card h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-ink);
        margin-bottom: 8px;
    }
    .myth-card p {
        font-size: 14px;
        color: var(--color-muted);
        line-height: 1.7;
        margin: 0;
    }

    .faq-section {
        background: var(--color-surface);
        border-top: 1px solid var(--color-line);
        padding: 56px 0;
    }
    .faq-accordion {
        max-width: 800px;
        margin-top: 24px;
    }
    .accordion-item {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        margin-bottom: 10px;
        overflow: hidden;
        transition: border-color var(--transition-base);
    }
    .accordion-item:hover {
        border-color: var(--color-primary);
    }
    .accordion-trigger {
        width: 100%;
        background: none;
        border: none;
        text-align: left;
        padding: 16px 18px;
        font-size: 15px;
        font-weight: 600;
        color: var(--color-ink);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        transition: all var(--transition-fast);
        font-family: var(--font-sans);
    }
    .accordion-trigger:hover {
        color: var(--color-primary);
    }
    .accordion-trigger i {
        transition: transform var(--transition-base);
        font-size: 14px;
        color: var(--color-muted);
    }
    .accordion-trigger.open i {
        transform: rotate(180deg);
        color: var(--color-primary);
    }
    .accordion-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 18px;
    }
    .accordion-content.open {
        max-height: 400px;
        padding: 0 18px 18px;
    }
    .accordion-content p {
        font-size: 14px;
        color: var(--color-muted);
        line-height: 1.8;
        margin: 0;
    }

    .cta-section {
        background: var(--color-ink);
        padding: 48px 0;
    }
    .cta-grid {
        display: grid;
        grid-template-columns: 1fr 0.8fr;
        gap: 40px;
        align-items: center;
    }
    .cta-title {
        font-size: 26px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 12px;
    }
    .cta-desc {
        font-size: 15px;
        color: #C0C0C0;
        line-height: 1.7;
        margin-bottom: 20px;
    }
    .cta-form {
        background: var(--color-surface);
        border-radius: var(--radius-lg);
        padding: 24px 20px;
        box-shadow: var(--shadow-lg);
    }
    .cta-form .form-row {
        display: flex;
        gap: 10px;
        margin-bottom: 12px;
        flex-wrap: wrap;
    }
    .cta-form input,
    .cta-form select {
        flex: 1;
        min-width: 120px;
        padding: 10px 14px;
        border: 1px solid var(--color-line);
        border-radius: var(--radius-sm);
        font-size: 14px;
        font-family: var(--font-sans);
        color: var(--color-ink);
        transition: border-color var(--transition-fast);
        background: var(--color-bg);
    }
    .cta-form input:focus,
    .cta-form select:focus {
        border-color: var(--color-primary);
        outline: 2px solid rgba(200,16,46,0.2);
        outline-offset: 0;
    }
    .cta-form .privacy-note {
        font-size: 12px;
        color: var(--color-muted);
        text-align: center;
        margin-top: 10px;
    }

    .site-footer {
        background: var(--color-footer-bg);
        color: var(--color-footer-text);
        padding: 48px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand h3 {
        color: #FFFFFF;
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: 13.5px;
        color: #A0A0A0;
        line-height: 1.7;
        max-width: 300px;
        margin: 0;
    }
    .footer-col h4 {
        color: #FFFFFF;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 12px;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .footer-col ul a {
        color: #A0A0A0;
        font-size: 13.5px;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    .footer-col ul a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 16px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
        justify-content: space-between;
    }
    .footer-bottom span {
        font-size: 12px;
        color: #808080;
    }
    .footer-icp {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
    }
    .footer-icp a {
        color: #808080;
        font-size: 12px;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    .footer-icp a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }

    @media screen and (max-width: 1024px) {
        .hero-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .hero-title {
            font-size: 34px;
        }
        .rules-layout-grid {
            grid-template-columns: 220px 1fr;
            gap: 24px;
        }
        .lottery-rules-grid {
            grid-template-columns: 1fr;
        }
        .myth-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .cta-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
    }
    @media screen and (max-width: 768px) {
        section {
            padding: var(--section-pad-mobile);
        }
        .section-title {
            font-size: 24px;
        }
        .hero-title {
            font-size: 28px;
        }
        .nav-links-desktop {
            display: none;
        }
        .mobile-toggle {
            display: block;
        }
        .mobile-nav {
            display: none;
        }
        .mobile-nav.open {
            display: flex;
        }
        .rules-layout-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .rules-toc {
            position: static;
        }
        .rules-toc ul {
            flex-direction: row;
            flex-wrap: wrap;
            gap: 4px;
        }
        .rules-toc ul a {
            display: inline-block;
            font-size: 12px;
            padding: 4px 8px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .hero-panel {
            grid-template-columns: 1fr;
        }
    }
    @media screen and (max-width: 520px) {
        .hero-title {
            font-size: 24px;
        }
        .hero-subtitle {
            font-size: 14px;
        }
        .button {
            padding: 10px 16px;
            font-size: 13px;
        }
        .top-bar .container {
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
            padding-top: 4px;
            padding-bottom: 4px;
        }
        .top-bar-right {
            align-self: flex-end;
        }
        .compare-table {
            min-width: 500px;
        }
        .cta-form .form-row {
            flex-direction: column;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            min-width: auto;
        }
    }

/* roulang page: category1 */
:root {
            --color-primary: #C8102E;
            --color-primary-dark: #A00D1D;
            --color-bg: #F7F5F1;
            --color-surface: #FFFFFF;
            --color-ink: #1A1A1A;
            --color-muted: #696969;
            --color-line: #E6E1D8;
            --color-accent-gold: #B58B5A;
            --color-footer-bg: #1A1A1A;
            --color-footer-text: #D9D9D9;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-mono: 'DIN Alternate','SF Mono','Roboto Mono',monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1280px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(200,16,46,0.07);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 650;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-ink);
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .text-center {
            text-align: center;
        }

        .text-gold {
            color: var(--color-accent-gold);
        }

        /* Foundation 按钮覆盖 */
        .button {
            font-family: var(--font-sans);
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            padding: 12px 24px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
            margin: 0;
        }

        .button-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            box-shadow: 0 2px 6px rgba(200,16,46,0.25);
        }

        .button-primary:hover {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200,16,46,0.35);
        }

        .button-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(200,16,46,0.2);
        }

        .button-secondary {
            background-color: transparent;
            color: var(--color-ink);
            border: 1.5px solid var(--color-ink);
        }

        .button-secondary:hover {
            background-color: var(--color-bg);
            color: var(--color-primary);
            border-color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-2px);
        }

        .button-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.6);
        }

        .button-outline-light:hover {
            background-color: rgba(255,255,255,0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* 顶部信息条 */
        .top-bar {
            background-color: var(--color-footer-bg);
            color: #B0B0B0;
            font-size: 12.5px;
            min-height: 36px;
            display: flex;
            align-items: center;
            border-bottom: none;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 28px;
            width: 100%;
        }

        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar-left .domain-text {
            color: #B0B0B0;
            font-family: var(--font-mono);
            font-size: 12px;
            letter-spacing: 0.3px;
        }

        .top-bar-left .status-text {
            color: #8FA38B;
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .top-bar-left .status-text i {
            font-size: 10px;
            color: #6BBF6B;
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .top-bar-right a {
            color: #D0D0D0;
            font-size: 12.5px;
            transition: color var(--transition-fast);
        }

        .top-bar-right a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        /* 主导航 */
        .main-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
            position: sticky;
            top: 0;
            z-index: 30;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.3px;
            white-space: nowrap;
            text-decoration: none;
        }

        .brand-logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: 8px;
            color: #FFFFFF;
            font-size: 17px;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links-desktop a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-ink);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links-desktop a:hover {
            color: var(--color-primary);
            text-decoration: none;
            background: rgba(200,16,46,0.05);
        }

        .nav-links-desktop a.active {
            color: var(--color-primary);
            font-weight: 650;
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta-btn {
            background: var(--color-primary);
            color: #FFFFFF !important;
            padding: 10px 18px !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            margin-left: 8px;
            border: none;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            color: #FFFFFF !important;
            text-decoration: none !important;
            box-shadow: 0 4px 12px rgba(200,16,46,0.3);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-ink);
            cursor: pointer;
            padding: 8px;
            border-radius: 4px;
        }

        .mobile-toggle:hover {
            color: var(--color-primary);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-surface);
            z-index: 100;
            box-shadow: 4px 0 24px rgba(0,0,0,0.15);
            padding: 24px 20px;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-line);
        }

        .mobile-drawer .drawer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
        }

        .mobile-drawer .drawer-close {
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-muted);
            cursor: pointer;
            padding: 6px;
        }

        .mobile-drawer .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer .drawer-links a {
            display: block;
            padding: 12px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-ink);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-drawer .drawer-links a:hover {
            background: rgba(200,16,46,0.05);
            color: var(--color-primary);
            text-decoration: none;
        }

        .mobile-drawer .drawer-links a.active {
            background: rgba(200,16,46,0.08);
            color: var(--color-primary);
            font-weight: 650;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.4);
            z-index: 99;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.visible {
            opacity: 1;
        }

        /* Hero 区域 */
        .hero-section {
            position: relative;
            padding: 72px 0 60px;
            background-color: var(--color-footer-bg);
            background-image: linear-gradient(rgba(26,26,26,0.88), rgba(26,26,26,0.92)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.18;
            margin-bottom: 18px;
            letter-spacing: -1px;
            color: #FFFFFF;
        }

        .hero-content h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }

        .hero-content .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: #D0D0D0;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-countdown {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 18px;
            background: rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: #D0D0D0;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .hero-countdown .countdown-num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-accent-gold);
            letter-spacing: 1px;
        }

        .hero-filter-panel {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
        }

        .hero-filter-panel h3 {
            font-size: 18px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .filter-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 16px;
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .filter-group label {
            font-size: 13px;
            font-weight: 500;
            color: #B0B0B0;
            letter-spacing: 0.5px;
        }

        .filter-group select,
        .filter-group input {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-sm);
            color: #FFFFFF;
            font-size: 14px;
            padding: 10px 12px;
            font-family: var(--font-sans);
            width: 100%;
            appearance: none;
            -webkit-appearance: none;
            transition: border-color var(--transition-fast);
        }

        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(200,16,46,0.25);
        }

        .filter-group select option {
            background: var(--color-footer-bg);
            color: #FFFFFF;
        }

        .filter-submit {
            width: 100%;
            margin-top: 6px;
        }

        .hero-quick-info {
            display: flex;
            gap: 20px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .hero-quick-info span {
            font-size: 12.5px;
            color: #A0A0A0;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .hero-quick-info i {
            color: var(--color-accent-gold);
            font-size: 11px;
        }

        /* 指标看板 */
        .metric-section {
            background: var(--color-bg);
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .metric-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            text-align: center;
        }

        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(200,16,46,0.3);
        }

        .metric-card .metric-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: 1px;
        }

        .metric-card .metric-value.gold {
            color: var(--color-accent-gold);
        }

        .metric-card .metric-value.primary {
            color: var(--color-primary);
        }

        .metric-card .metric-trend {
            font-size: 12.5px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 12px;
        }

        .metric-trend.up {
            color: #C8102E;
            background: rgba(200,16,46,0.08);
        }

        .metric-trend.down {
            color: #2E7D32;
            background: rgba(46,125,50,0.08);
        }

        .metric-trend.flat {
            color: var(--color-muted);
            background: rgba(105,105,105,0.08);
        }

        .metric-card .metric-note {
            font-size: 11.5px;
            color: #A0A0A0;
            margin-top: 8px;
            letter-spacing: 0.3px;
        }

        /* 开奖结果列表 */
        .results-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            padding: 72px 0;
        }

        .results-section .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .results-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-sm);
            background: var(--color-surface);
        }

        .results-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
            font-size: 14.5px;
        }

        .results-table thead {
            background: var(--color-footer-bg);
            color: #FFFFFF;
        }

        .results-table thead th {
            padding: 16px 18px;
            font-weight: 600;
            font-size: 13.5px;
            letter-spacing: 0.5px;
            border-bottom: 2px solid var(--color-primary);
            text-align: left;
            white-space: nowrap;
        }

        .results-table tbody td {
            padding: 16px 18px;
            border-bottom: 1px solid var(--color-line);
            vertical-align: middle;
            color: var(--color-ink);
        }

        .results-table tbody tr {
            transition: background var(--transition-fast);
        }

        .results-table tbody tr:hover {
            background: rgba(200,16,46,0.04);
        }

        .results-table tbody tr:nth-child(even) {
            background: rgba(247,245,241,0.5);
        }

        .results-table tbody tr:nth-child(even):hover {
            background: rgba(200,16,46,0.06);
        }

        .lottery-type-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12.5px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .lottery-type-badge.red-ball {
            background: rgba(200,16,46,0.1);
            color: var(--color-primary);
        }

        .lottery-type-badge.blue-ball {
            background: rgba(20,80,180,0.1);
            color: #1450B4;
        }

        .lottery-type-badge.green-ball {
            background: rgba(46,125,50,0.1);
            color: #2E7D32;
        }

        .lottery-type-badge.orange-ball {
            background: rgba(230,120,20,0.1);
            color: #E67814;
        }

        .results-table .ball-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 14px;
            margin-right: 4px;
            letter-spacing: 0.5px;
        }

        .ball-number.red {
            background: var(--color-primary);
            color: #FFFFFF;
        }

        .ball-number.blue {
            background: #1450B4;
            color: #FFFFFF;
        }

        .ball-number.gold {
            background: var(--color-accent-gold);
            color: #FFFFFF;
        }

        .ball-number.gray {
            background: #6B6B6B;
            color: #FFFFFF;
        }

        .results-table .result-link {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 13px;
            white-space: nowrap;
        }

        .results-table .result-link:hover {
            text-decoration: underline;
        }

        .results-table .prize-info {
            text-align: right;
            font-family: var(--font-mono);
            font-weight: 600;
            font-size: 14px;
        }

        /* 走势摘要 */
        .trend-summary-section {
            background: var(--color-bg);
            padding: 72px 0;
        }

        .trend-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 28px;
        }

        .trend-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .trend-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(200,16,46,0.25);
            transform: translateY(-2px);
        }

        .trend-card h3 {
            font-size: 18px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .trend-card .trend-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-line);
            font-size: 14.5px;
        }

        .trend-card .trend-item:last-child {
            border-bottom: none;
        }

        .trend-item .trend-label {
            color: var(--color-muted);
            font-weight: 500;
        }

        .trend-item .trend-value {
            font-weight: 600;
            font-family: var(--font-mono);
            letter-spacing: 0.5px;
        }

        .trend-item .trend-value.hot {
            color: var(--color-primary);
        }

        .trend-item .trend-value.cold {
            color: #1450B4;
        }

        .trend-item .trend-value.gold {
            color: var(--color-accent-gold);
        }

        /* 彩种快捷入口 */
        .lottery-entry-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            padding: 72px 0;
        }

        .lottery-entry-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: 28px;
        }

        .lottery-entry-card {
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .lottery-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            background: var(--color-surface);
        }

        .lottery-entry-card .entry-icon {
            font-size: 28px;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .lottery-entry-card h4 {
            font-size: 15px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .lottery-entry-card p {
            font-size: 12.5px;
            color: var(--color-muted);
            margin: 0;
        }

        /* 数据深度分析 */
        .analysis-section {
            background: var(--color-bg);
            padding: 72px 0;
        }

        .analysis-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 24px;
            align-items: start;
        }

        .analysis-text {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-ink);
        }

        .analysis-text p {
            margin-bottom: 18px;
        }

        .analysis-text h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .analysis-image-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .analysis-image-card img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
        }

        .analysis-image-card .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
            color: #FFFFFF;
            font-size: 13.5px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        /* 数据更新说明 */
        .update-info-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            padding: 60px 0;
        }

        .update-info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 24px;
        }

        .update-info-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 24px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-line);
        }

        .update-info-card .info-icon {
            font-size: 24px;
            color: var(--color-primary);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .update-info-card h4 {
            font-size: 15px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .update-info-card p {
            font-size: 13.5px;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg);
            padding: 72px 0;
        }

        .faq-section .section-title {
            margin-bottom: 28px;
        }

        .accordion {
            list-style: none;
            margin: 0;
            padding: 0;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--color-surface);
        }

        .accordion-item {
            border-bottom: 1px solid var(--color-line);
            background: var(--color-surface);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 12px;
            letter-spacing: 0.3px;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }

        .accordion-title:hover {
            color: var(--color-primary);
            background: rgba(200,16,46,0.04);
        }

        .accordion-title i {
            font-size: 14px;
            color: var(--color-primary);
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-title i {
            transform: rotate(180deg);
        }

        .accordion-content {
            padding: 0 24px 20px;
            font-size: 14.5px;
            line-height: 1.85;
            color: var(--color-muted);
        }

        /* CTA 转化表单 */
        .cta-section {
            background: var(--color-footer-bg);
            background-image: linear-gradient(rgba(26,26,26,0.92), rgba(26,26,26,0.94)), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
            padding: 72px 0;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            font-size: 15.5px;
            color: #D0D0D0;
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 16px;
        }

        .cta-benefits span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #C0C0C0;
        }

        .cta-benefits i {
            color: var(--color-accent-gold);
            font-size: 13px;
        }

        .cta-form-card {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.35);
        }

        .cta-form-card h3 {
            font-size: 18px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .cta-form-group {
            margin-bottom: 16px;
        }

        .cta-form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: #B0B0B0;
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .cta-form-group input,
        .cta-form-group select {
            width: 100%;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-sm);
            color: #FFFFFF;
            font-size: 14px;
            padding: 12px 14px;
            font-family: var(--font-sans);
            transition: border-color var(--transition-fast);
        }

        .cta-form-group input:focus,
        .cta-form-group select:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(200,16,46,0.3);
        }

        .cta-form-group select option {
            background: var(--color-footer-bg);
            color: #FFFFFF;
        }

        .cta-form-group input::placeholder {
            color: #808080;
        }

        .cta-form-note {
            font-size: 12px;
            color: #808080;
            text-align: center;
            margin-top: 14px;
            line-height: 1.6;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 56px 0 0;
            border-top: 3px solid var(--color-primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .footer-brand p {
            font-size: 13.5px;
            color: #A0A0A0;
            line-height: 1.8;
            max-width: 320px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #A0A0A0;
            font-size: 13.5px;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: #808080;
        }

        .footer-icp {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-icp a {
            color: #808080;
            font-size: 12.5px;
        }

        .footer-icp a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 2px;
            }

            .nav-links-desktop a {
                font-size: 13.5px;
                padding: 8px 8px;
            }

            .metric-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .lottery-entry-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .hero-grid {
                gap: 32px;
            }

            .hero-content h1 {
                font-size: 32px;
            }

            .analysis-grid {
                gap: 24px;
            }

            .cta-grid {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: var(--section-pad-mobile);
            }

            .section-title {
                font-size: 26px;
            }

            .nav-links-desktop {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .mobile-drawer {
                display: block;
            }

            .drawer-overlay {
                display: block;
            }

            .top-bar-left .status-text {
                display: none;
            }

            .hero-section {
                padding: 48px 0 40px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-content h1 {
                font-size: 28px;
                line-height: 1.25;
            }

            .hero-content .hero-subtitle {
                font-size: 15px;
                margin-bottom: 20px;
            }

            .hero-filter-panel {
                padding: 20px;
            }

            .filter-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .metric-card {
                padding: 16px 14px;
            }

            .metric-card .metric-value {
                font-size: 24px;
            }

            .results-table-wrapper {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .results-table {
                font-size: 12.5px;
                min-width: 700px;
            }

            .results-table thead th {
                padding: 12px 14px;
                font-size: 12px;
            }

            .results-table tbody td {
                padding: 12px 14px;
                font-size: 12.5px;
            }

            .ball-number {
                width: 26px;
                height: 26px;
                font-size: 12px;
                margin-right: 2px;
            }

            .trend-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .lottery-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .lottery-entry-card {
                padding: 18px 12px;
            }

            .analysis-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .analysis-image-card img {
                height: 240px;
            }

            .update-info-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-content h2 {
                font-size: 24px;
            }

            .cta-form-card {
                padding: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .footer-icp {
                justify-content: center;
                flex-wrap: wrap;
                gap: 8px;
            }

            .accordion-title {
                padding: 14px 18px;
                font-size: 14px;
            }

            .accordion-content {
                padding: 0 18px 16px;
                font-size: 13.5px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 24px;
                letter-spacing: -0.5px;
            }

            .hero-content .hero-subtitle {
                font-size: 14px;
                line-height: 1.7;
            }

            .hero-buttons {
                gap: 8px;
            }

            .hero-buttons .button {
                padding: 10px 16px;
                font-size: 13px;
                flex: 1;
                justify-content: center;
            }

            .hero-countdown {
                font-size: 12px;
                padding: 8px 14px;
            }

            .hero-countdown .countdown-num {
                font-size: 16px;
            }

            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .metric-card .metric-value {
                font-size: 22px;
            }

            .metric-card .metric-label {
                font-size: 11.5px;
            }

            .lottery-entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-desc {
                font-size: 14.5px;
            }

            .filter-row {
                grid-template-columns: 1fr;
            }

            .cta-form-card {
                padding: 18px;
            }

            .cta-form-group input,
            .cta-form-group select {
                padding: 10px 12px;
                font-size: 13px;
            }

            .top-bar {
                font-size: 11px;
                min-height: 32px;
            }

            .top-bar .container {
                flex-wrap: wrap;
                gap: 4px;
                padding: 4px 12px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #C8102E;
            --color-primary-dark: #A00D1D;
            --color-bg: #F7F5F1;
            --color-surface: #FFFFFF;
            --color-ink: #1A1A1A;
            --color-muted: #696969;
            --color-line: #E6E1D8;
            --color-accent-gold: #B58B5A;
            --color-footer-bg: #1A1A1A;
            --color-footer-text: #D9D9D9;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-mono: 'DIN Alternate','SF Mono','Roboto Mono',monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1280px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(200,16,46,0.07);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 650;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-ink);
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .text-center { text-align: center; }
        .text-gold { color: var(--color-accent-gold); }

        /* Foundation 按钮覆盖 */
        .button {
            font-family: var(--font-sans);
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            padding: 12px 24px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }
        .button-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            box-shadow: 0 2px 6px rgba(200,16,46,0.25);
        }
        .button-primary:hover {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200,16,46,0.35);
        }
        .button-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(200,16,46,0.2);
        }
        .button-secondary {
            background-color: transparent;
            color: var(--color-ink);
            border: 1.5px solid var(--color-ink);
        }
        .button-secondary:hover {
            background-color: var(--color-bg);
            color: var(--color-primary);
            border-color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-2px);
        }
        .button-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.6);
        }
        .button-outline-light:hover {
            background-color: rgba(255,255,255,0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* 顶部信息条 */
        .top-bar {
            background: #1A1A1A;
            padding: 6px 0;
            font-size: 12.5px;
            position: relative;
            z-index: 40;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 28px;
            flex-wrap: wrap;
            gap: 4px;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar-left .domain-text {
            color: #B0B0B0;
            font-family: var(--font-mono);
            font-size: 12px;
            letter-spacing: 0.3px;
        }
        .top-bar-left .status-badge {
            color: #D4C5A0;
            font-size: 12.5px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .top-bar-left .status-badge i {
            color: #4CAF50;
            font-size: 10px;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .top-bar-right a {
            color: #D0D0D0;
            font-size: 12.5px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .top-bar-right a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        /* 主导航 */
        .main-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
            position: sticky;
            top: 0;
            z-index: 30;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-links-desktop a {
            color: var(--color-ink);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links-desktop a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            text-decoration: none;
        }
        .nav-links-desktop a.active {
            color: var(--color-primary);
            font-weight: 650;
            border-bottom-color: var(--color-primary);
        }
        .nav-cta-btn {
            background: var(--color-primary);
            color: #FFFFFF !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px !important;
            border-bottom: none !important;
            transition: all var(--transition-base);
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            color: #FFFFFF !important;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(200,16,46,0.3);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            font-size: 20px;
            color: var(--color-ink);
            cursor: pointer;
            transition: all var(--transition-fast);
            align-items: center;
            justify-content: center;
        }
        .mobile-toggle:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* Hero Banner */
        .news-hero {
            padding: 0;
            position: relative;
            background: #1A1A1A;
            overflow: hidden;
        }
        .news-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }
        .news-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,26,26,0.55) 0%, rgba(26,26,26,0.85) 100%);
        }
        .news-hero .container {
            position: relative;
            z-index: 2;
            padding-top: 72px;
            padding-bottom: 72px;
        }
        .news-hero-content {
            max-width: 680px;
        }
        .news-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200,16,46,0.9);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .news-hero-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: #FFFFFF;
            margin-bottom: 18px;
            letter-spacing: -0.8px;
        }
        .news-hero-desc {
            font-size: 17px;
            color: #D9D9D9;
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 580px;
        }
        .news-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .news-hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .news-hero-stat {
            color: #FFFFFF;
        }
        .news-hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent-gold);
            display: block;
        }
        .news-hero-stat .stat-label {
            font-size: 13px;
            color: #B0B0B0;
        }

        /* 主推头条 */
        .featured-news {
            background: var(--color-bg);
        }
        .featured-news-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .featured-main-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-line);
            transition: all var(--transition-base);
        }
        .featured-main-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .featured-main-img {
            height: 320px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .featured-main-img .img-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-primary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
        }
        .featured-main-body {
            padding: 28px 28px 32px;
        }
        .featured-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .featured-meta .date-pill {
            background: var(--color-bg);
            padding: 3px 10px;
            border-radius: 4px;
            font-family: var(--font-mono);
        }
        .featured-main-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-ink);
            margin-bottom: 12px;
        }
        .featured-main-excerpt {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .featured-main-link {
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .featured-side-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .featured-side-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .featured-side-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(200,16,46,0.3);
        }
        .side-item-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(200,16,46,0.08);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .side-item-content h4 {
            font-size: 15px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 5px;
            line-height: 1.4;
        }
        .side-item-content p {
            font-size: 13px;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.6;
        }
        .side-item-content .side-date {
            font-size: 12px;
            color: #999;
            font-family: var(--font-mono);
        }

        /* 资讯筛选标签 */
        .news-filter-section {
            padding: 0 0 40px;
            background: var(--color-bg);
        }
        .filter-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .filter-tab {
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-ink);
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tab:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .filter-tab.active {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }

        /* 时间线双栏列表 */
        .news-timeline-section {
            background: var(--color-bg);
            padding-top: 0;
        }
        .news-timeline-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .news-timeline-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-timeline-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(200,16,46,0.25);
        }
        .timeline-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            margin-top: 7px;
            flex-shrink: 0;
        }
        .timeline-content h4 {
            font-size: 16px;
            font-weight: 650;
            color: var(--color-ink);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .timeline-content p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .timeline-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12.5px;
            color: #999;
        }
        .timeline-footer .read-more {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 13px;
        }
        .timeline-footer .read-more:hover {
            color: var(--color-primary-dark);
        }

        /* 分页器 */
        .pagination-section {
            padding: 20px 0 60px;
            background: var(--color-bg);
        }
        .pagination-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pagination-btn {
            min-width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            color: var(--color-ink);
            font-weight: 500;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            padding: 0 12px;
        }
        .pagination-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .pagination-btn.active {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }
        .pagination-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* 订阅CTA */
        .news-cta-section {
            background: #1A1A1A;
            position: relative;
            overflow: hidden;
        }
        .news-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .news-cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
        }
        .news-cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .news-cta-section p {
            font-size: 16px;
            color: #B0B0B0;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .news-cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FAQ */
        .news-faq-section {
            background: var(--color-surface);
        }
        .news-faq-grid {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--color-surface);
            transition: border-color var(--transition-fast);
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(200,16,46,0.4);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 650;
            color: var(--color-ink);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            font-family: var(--font-sans);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--color-muted);
            transition: transform var(--transition-base);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14.5px;
            color: var(--color-muted);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* 转化表单 */
        .lead-form-section {
            background: var(--color-bg);
        }
        .lead-form-grid {
            max-width: 560px;
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-sm);
        }
        .lead-form-grid h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 10px;
        }
        .lead-form-grid .form-desc {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-line);
            font-size: 15px;
            font-family: var(--font-sans);
            color: var(--color-ink);
            background: #FAF9F6;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(200,16,46,0.08);
            outline: none;
        }
        .form-group input::placeholder {
            color: #B0B0B0;
        }
        .form-privacy {
            font-size: 12px;
            color: #999;
            margin-top: 14px;
            text-align: center;
            line-height: 1.6;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #B0B0B0;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #B0B0B0;
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: #999;
        }
        .footer-icp {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .footer-icp a {
            color: #B0B0B0;
            text-decoration: none;
        }
        .footer-icp a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            section {
                padding: 56px 0;
            }
            .news-timeline-grid {
                grid-template-columns: 1fr;
            }
            .featured-news-grid {
                grid-template-columns: 1fr;
            }
            .nav-links-desktop {
                gap: 14px;
            }
            .nav-links-desktop a {
                font-size: 13.5px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .news-hero .container {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .news-hero-title {
                font-size: 30px;
            }
            .featured-main-img {
                height: 200px;
            }
            .featured-main-body {
                padding: 20px;
            }
            .news-timeline-item {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-icp {
                justify-content: center;
            }
            .top-bar .container {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
            }
            .top-bar-right {
                width: 100%;
                justify-content: flex-start;
            }
            .lead-form-grid {
                padding: 28px 20px;
            }
            section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .news-hero-title {
                font-size: 24px;
            }
            .news-hero-desc {
                font-size: 15px;
            }
            .news-hero-stats {
                gap: 20px;
            }
            .news-hero-stat .stat-num {
                font-size: 22px;
            }
            .filter-tabs {
                gap: 6px;
            }
            .filter-tab {
                padding: 6px 14px;
                font-size: 12.5px;
            }
            .featured-main-title {
                font-size: 20px;
            }
            .news-timeline-item {
                padding: 16px 18px;
            }
            .pagination-btn {
                min-width: 34px;
                height: 34px;
                font-size: 12.5px;
                padding: 0 8px;
            }
        }

/* roulang page: category5 */
/* roulang page: data-tools */
    :root {
        --color-primary: #C8102E;
        --color-primary-dark: #A00D1D;
        --color-bg: #F7F5F1;
        --color-surface: #FFFFFF;
        --color-ink: #1A1A1A;
        --color-muted: #696969;
        --color-line: #E6E1D8;
        --color-accent-gold: #B58B5A;
        --color-footer-bg: #1A1A1A;
        --color-footer-text: #D9D9D9;
        --radius-sm: 6px;
        --radius-md: 8px;
        --radius-lg: 10px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
        --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
        --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
        --font-mono: 'DIN Alternate','SF Mono','Roboto Mono',monospace;
        --transition-fast: 0.18s ease;
        --transition-base: 0.28s ease;
        --section-pad-desktop: 80px 0;
        --section-pad-mobile: 48px 0;
        --container-max: 1280px;
    }
    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--color-bg);
        color: var(--color-ink);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        margin: 0;
    }
    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-fast), text-decoration var(--transition-fast);
    }
    a:hover {
        color: var(--color-primary-dark);
        text-decoration: underline;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 16px;
    }
    section {
        padding: var(--section-pad-desktop);
        position: relative;
    }
    .section-label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 2px;
        color: var(--color-primary);
        text-transform: uppercase;
        margin-bottom: 12px;
        background: rgba(200,16,46,0.07);
        padding: 4px 12px;
        border-radius: 20px;
    }
    .section-title {
        font-size: 32px;
        font-weight: 650;
        line-height: 1.3;
        margin-bottom: 16px;
        color: var(--color-ink);
        letter-spacing: -0.5px;
    }
    .section-desc {
        font-size: 16px;
        color: var(--color-muted);
        line-height: 1.8;
        max-width: 720px;
        margin-bottom: 32px;
    }
    .text-center {
        text-align: center;
    }
    .text-gold {
        color: var(--color-accent-gold);
    }
    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0,0,0,0);
        white-space: nowrap;
        border: 0;
    }
    /* Foundation 按钮覆盖 */
    .button {
        font-family: var(--font-sans);
        border-radius: var(--radius-sm);
        font-weight: 600;
        letter-spacing: 0.5px;
        transition: all var(--transition-base);
        padding: 12px 24px;
        font-size: 15px;
        border: none;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        line-height: 1.4;
        margin: 0;
    }
    .button-primary {
        background-color: var(--color-primary);
        color: #FFFFFF;
        box-shadow: 0 2px 6px rgba(200,16,46,0.25);
    }
    .button-primary:hover {
        background-color: var(--color-primary-dark);
        color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(200,16,46,0.35);
    }
    .button-primary:active {
        transform: translateY(1px);
        box-shadow: 0 2px 4px rgba(200,16,46,0.2);
    }
    .button-secondary {
        background-color: transparent;
        color: var(--color-ink);
        border: 1.5px solid var(--color-ink);
    }
    .button-secondary:hover {
        background-color: var(--color-bg);
        color: var(--color-primary);
        border-color: var(--color-primary);
        text-decoration: none;
        transform: translateY(-2px);
    }
    .button-outline-light {
        background-color: transparent;
        color: #FFFFFF;
        border: 1.5px solid rgba(255,255,255,0.6);
    }
    .button-outline-light:hover {
        background-color: rgba(255,255,255,0.1);
        color: #FFFFFF;
        border-color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-2px);
    }
    /* 顶部信息条 */
    .top-bar {
        background-color: var(--color-ink);
        color: #B0B0B0;
        min-height: 36px;
        display: flex;
        align-items: center;
    }
    .top-bar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        min-height: 36px;
        width: 100%;
    }
    .top-bar-left {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .top-bar-left .domain-text {
        color: #B0B0B0;
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.3px;
    }
    .top-bar-left .status-text {
        color: #D0D0D0;
        font-size: 12.5px;
    }
    .top-bar-right {
        display: flex;
        align-items: center;
        gap: 18px;
    }
    .top-bar-right a {
        color: #D0D0D0;
        font-size: 12.5px;
        transition: color var(--transition-fast);
    }
    .top-bar-right a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }
    .top-bar-right .top-action-icon {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 12.5px;
    }
    /* 主导航 */
    .main-header {
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        position: sticky;
        top: 0;
        z-index: 30;
        box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .main-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 68px;
        gap: 16px;
    }
    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 700;
        color: var(--color-ink);
        letter-spacing: -0.5px;
        white-space: nowrap;
    }
    .brand-logo:hover {
        color: var(--color-ink);
        text-decoration: none;
    }
    .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--color-primary), #E8465C);
        color: #FFFFFF;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        box-shadow: 0 2px 8px rgba(200,16,46,0.25);
    }
    .nav-links-desktop {
        display: flex;
        align-items: center;
        gap: 22px;
        flex-wrap: wrap;
    }
    .nav-links-desktop a {
        color: var(--color-ink);
        font-size: 15px;
        font-weight: 500;
        transition: color var(--transition-fast);
        position: relative;
        padding: 4px 0;
        white-space: nowrap;
    }
    .nav-links-desktop a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }
    .nav-links-desktop a.active {
        color: var(--color-primary);
        font-weight: 600;
    }
    .nav-links-desktop a.active::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        right: 0;
        height: 2px;
        background-color: var(--color-primary);
        border-radius: 2px;
    }
    .nav-cta-btn {
        background-color: var(--color-primary);
        color: #FFFFFF !important;
        padding: 10px 20px !important;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 14px !important;
        box-shadow: 0 2px 6px rgba(200,16,46,0.2);
        transition: all var(--transition-base);
    }
    .nav-cta-btn:hover {
        background-color: var(--color-primary-dark);
        color: #FFFFFF !important;
        text-decoration: none !important;
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(200,16,46,0.3);
    }
    .nav-cta-btn.active::after {
        display: none;
    }
    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 26px;
        color: var(--color-ink);
        cursor: pointer;
        padding: 4px 8px;
        border-radius: 4px;
        transition: color var(--transition-fast);
    }
    .mobile-toggle:hover {
        color: var(--color-primary);
    }
    /* Hero */
    .hero-data-tools {
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        padding: 72px 0 64px;
        position: relative;
        overflow: hidden;
    }
    .hero-data-tools::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--color-primary), var(--color-accent-gold), var(--color-primary));
        opacity: 0.6;
    }
    .hero-data-tools .container {
        position: relative;
        z-index: 2;
    }
    .hero-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
    .hero-content h1 {
        font-size: 44px;
        font-weight: 700;
        line-height: 1.2;
        letter-spacing: -0.5px;
        margin-bottom: 20px;
        color: var(--color-ink);
    }
    .hero-content h1 .highlight {
        color: var(--color-primary);
    }
    .hero-content .hero-subtitle {
        font-size: 17px;
        color: var(--color-muted);
        line-height: 1.8;
        margin-bottom: 28px;
        max-width: 520px;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        align-items: center;
    }
    .hero-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .hero-stat-card {
        background: var(--color-bg);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 20px 18px;
        text-align: center;
        transition: all var(--transition-base);
    }
    .hero-stat-card:hover {
        border-color: var(--color-primary);
        box-shadow: var(--shadow-sm);
        transform: translateY(-2px);
    }
    .hero-stat-card .stat-value {
        font-family: var(--font-mono);
        font-size: 28px;
        font-weight: 700;
        color: var(--color-primary);
        display: block;
        margin-bottom: 4px;
    }
    .hero-stat-card .stat-label {
        font-size: 13px;
        color: var(--color-muted);
        font-weight: 500;
    }
    /* 工具入口大卡 */
    .tools-grid-section {
        background-color: var(--color-bg);
    }
    .tools-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        margin-top: 32px;
    }
    .tool-entry-card {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 28px 24px;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        min-height: 260px;
    }
    .tool-entry-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: var(--color-primary);
    }
    .tool-entry-card .tool-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: rgba(200,16,46,0.08);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: var(--color-primary);
        margin-bottom: 16px;
    }
    .tool-entry-card .tool-number {
        font-family: var(--font-mono);
        font-size: 13px;
        color: var(--color-accent-gold);
        font-weight: 600;
        letter-spacing: 1px;
        margin-bottom: 4px;
    }
    .tool-entry-card h3 {
        font-size: 20px;
        font-weight: 650;
        margin-bottom: 10px;
        color: var(--color-ink);
        line-height: 1.4;
    }
    .tool-entry-card p {
        font-size: 14.5px;
        color: var(--color-muted);
        line-height: 1.75;
        margin-bottom: 16px;
        flex-grow: 1;
    }
    .tool-entry-card .tool-meta {
        font-size: 13px;
        color: var(--color-muted);
        display: flex;
        align-items: center;
        gap: 8px;
        border-top: 1px solid var(--color-line);
        padding-top: 14px;
    }
    .tool-entry-card .tool-meta i {
        color: var(--color-accent-gold);
    }
    /* 数据对比表 */
    .comparison-section {
        background-color: var(--color-surface);
        border-top: 1px solid var(--color-line);
        border-bottom: 1px solid var(--color-line);
    }
    .comparison-table-wrapper {
        overflow-x: auto;
        border-radius: var(--radius-md);
        border: 1px solid var(--color-line);
        box-shadow: var(--shadow-sm);
        margin-top: 32px;
        background: var(--color-surface);
    }
    .comparison-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 720px;
        font-size: 14px;
    }
    .comparison-table thead {
        background-color: var(--color-ink);
        color: #FFFFFF;
    }
    .comparison-table thead th {
        font-size: 14px;
        font-weight: 600;
        padding: 16px 18px;
        text-align: left;
        letter-spacing: 0.5px;
        white-space: nowrap;
    }
    .comparison-table tbody td {
        padding: 14px 18px;
        border-bottom: 1px solid var(--color-line);
        color: var(--color-ink);
        vertical-align: middle;
    }
    .comparison-table tbody tr:nth-child(even) {
        background-color: #FAF9F6;
    }
    .comparison-table tbody tr:hover {
        background-color: rgba(200,16,46,0.04);
    }
    .comparison-table tbody tr:last-child td {
        border-bottom: none;
    }
    .comparison-table .highlight-row {
        background-color: rgba(200,16,46,0.05) !important;
        border-left: 3px solid var(--color-primary);
    }
    .comparison-table .mono {
        font-family: var(--font-mono);
        font-weight: 600;
        color: var(--color-primary);
    }
    .comparison-table .tag {
        display: inline-block;
        padding: 2px 10px;
        border-radius: 4px;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.3px;
    }
    .tag-hot {
        background: rgba(200,16,46,0.1);
        color: var(--color-primary);
    }
    .tag-cold {
        background: rgba(105,105,105,0.1);
        color: var(--color-muted);
    }
    .tag-gold {
        background: rgba(181,139,90,0.12);
        color: var(--color-accent-gold);
    }
    .comparison-note {
        font-size: 13px;
        color: var(--color-muted);
        margin-top: 12px;
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .comparison-note i {
        color: var(--color-accent-gold);
        margin-top: 3px;
    }
    /* 模拟结果区域 */
    .simulation-section {
        background:
            radial-gradient(circle at 10% 20%, rgba(200,16,46,0.06) 0%, transparent 45%),
            var(--color-bg);
    }
    .simulation-panel {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: 40px 36px;
        margin-top: 32px;
    }
    .simulation-panel .panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 24px;
        padding-bottom: 16px;
        border-bottom: 1px solid var(--color-line);
    }
    .simulation-panel .panel-title-wrap {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .simulation-panel .panel-title-wrap .sim-icon {
        width: 42px;
        height: 42px;
        border-radius: 10px;
        background: var(--color-bg);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: var(--color-primary);
    }
    .simulation-panel h3 {
        font-size: 22px;
        font-weight: 650;
        margin: 0;
        color: var(--color-ink);
    }
    .simulation-panel .panel-time {
        font-size: 13px;
        color: var(--color-muted);
        font-family: var(--font-mono);
    }
    .simulation-balls {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        padding: 24px 0;
    }
    .sim-ball {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-mono);
        font-size: 22px;
        font-weight: 700;
        color: #FFFFFF;
        background: linear-gradient(135deg, var(--color-primary), #E8465C);
        box-shadow: 0 4px 12px rgba(200,16,46,0.3);
        transition: transform var(--transition-base);
    }
    .sim-ball:hover {
        transform: scale(1.12);
    }
    .sim-ball.blue-ball {
        background: linear-gradient(135deg, #1877F2, #4A9AFF);
        box-shadow: 0 4px 12px rgba(24,119,242,0.3);
    }
    .sim-divider {
        width: 24px;
        height: 2px;
        background-color: var(--color-line);
        border-radius: 2px;
    }
    .sim-result-meta {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        margin-top: 24px;
        padding-top: 20px;
        border-top: 1px dashed var(--color-line);
    }
    .sim-meta-item {
        text-align: center;
    }
    .sim-meta-item .meta-label {
        display: block;
        font-size: 12px;
        color: var(--color-muted);
        margin-bottom: 4px;
    }
    .sim-meta-item .meta-value {
        font-family: var(--font-mono);
        font-size: 18px;
        font-weight: 650;
        color: var(--color-ink);
    }
    /* 使用说明 */
    .guide-section {
        background-color: var(--color-surface);
    }
    .guide-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 32px;
    }
    .guide-step-card {
        background: var(--color-bg);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 28px 22px;
        text-align: center;
        transition: all var(--transition-base);
        position: relative;
    }
    .guide-step-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-sm);
        border-color: var(--color-primary);
    }
    .guide-step-card .step-number {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--color-ink);
        color: #FFFFFF;
        font-family: var(--font-mono);
        font-weight: 700;
        font-size: 18px;
        margin-bottom: 14px;
    }
    .guide-step-card h4 {
        font-size: 17px;
        font-weight: 650;
        margin-bottom: 8px;
        color: var(--color-ink);
    }
    .guide-step-card p {
        font-size: 14px;
        color: var(--color-muted);
        line-height: 1.7;
        margin: 0;
    }
    /* FAQ */
    .faq-section {
        background-color: var(--color-bg);
    }
    .faq-list {
        max-width: 840px;
        margin: 32px auto 0;
    }
    .faq-item {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item:hover {
        border-color: var(--color-primary);
        box-shadow: var(--shadow-sm);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 22px;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        color: var(--color-ink);
        gap: 16px;
        user-select: none;
        transition: color var(--transition-fast);
    }
    .faq-question:hover {
        color: var(--color-primary);
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        transition: transform var(--transition-base);
        color: var(--color-muted);
    }
    .faq-question .faq-icon.active {
        transform: rotate(180deg);
        color: var(--color-primary);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base), padding var(--transition-base);
        padding: 0 22px;
    }
    .faq-answer.open {
        max-height: 400px;
        padding: 0 22px 20px;
    }
    .faq-answer p {
        font-size: 15px;
        color: var(--color-muted);
        line-height: 1.8;
        margin: 0;
        padding-top: 4px;
    }
    /* CTA */
    .cta-section {
        background:
            radial-gradient(circle at 80% 20%, rgba(200,16,46,0.08) 0%, transparent 40%),
            var(--color-surface);
        border-top: 1px solid var(--color-line);
        border-bottom: 1px solid var(--color-line);
    }
    .cta-card {
        background: linear-gradient(135deg, var(--color-ink) 0%, #2D2D2D 60%, #3A3A3A 100%);
        border-radius: var(--radius-lg);
        padding: 48px 44px;
        box-shadow: var(--shadow-lg);
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 32px;
        align-items: center;
    }
    .cta-card h2 {
        font-size: 30px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 12px;
        letter-spacing: -0.5px;
    }
    .cta-card p {
        font-size: 16px;
        color: rgba(255,255,255,0.75);
        line-height: 1.8;
        max-width: 560px;
        margin: 0;
    }
    .cta-card .cta-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }
    /* 页脚 */
    .site-footer {
        background-color: var(--color-footer-bg);
        color: var(--color-footer-text);
        padding: 56px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 36px;
    }
    .footer-brand h3 {
        color: #FFFFFF;
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--color-footer-text);
        line-height: 1.8;
        max-width: 340px;
        margin: 0;
        opacity: 0.8;
    }
    .footer-col h4 {
        color: #FFFFFF;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 14px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        color: var(--color-footer-text);
        font-size: 14px;
        transition: color var(--transition-fast);
        opacity: 0.8;
    }
    .footer-col ul li a:hover {
        color: #FFFFFF;
        text-decoration: underline;
        opacity: 1;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 12.5px;
        color: rgba(255,255,255,0.6);
    }
    .footer-bottom .footer-icp {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        align-items: center;
    }
    .footer-bottom .footer-icp a {
        color: rgba(255,255,255,0.6);
        font-size: 12.5px;
        text-decoration: none;
    }
    .footer-bottom .footer-icp a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }
    /* 响应式 */
    @media (max-width: 1024px) {
        .tools-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .guide-steps {
            grid-template-columns: repeat(2, 1fr);
        }
        .hero-grid {
            gap: 32px;
        }
        .hero-content h1 {
            font-size: 36px;
        }
    }
    @media (max-width: 768px) {
        section {
            padding: 48px 0;
        }
        .section-title {
            font-size: 26px;
        }
        .hero-data-tools {
            padding: 48px 0 40px;
        }
        .hero-grid {
            grid-template-columns: 1fr;
        }
        .hero-content h1 {
            font-size: 30px;
        }
        .hero-stats {
            grid-template-columns: 1fr 1fr;
        }
        .nav-links-desktop {
            display: none;
        }
        .mobile-toggle {
            display: inline-block;
        }
        .main-nav {
            min-height: 60px;
        }
        .brand-logo {
            font-size: 19px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }
        .tools-grid {
            grid-template-columns: 1fr;
        }
        .comparison-table-wrapper {
            border-radius: var(--radius-sm);
        }
        .simulation-panel {
            padding: 24px 18px;
        }
        .simulation-balls {
            gap: 8px;
        }
        .sim-ball {
            width: 44px;
            height: 44px;
            font-size: 18px;
        }
        .sim-result-meta {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .guide-steps {
            grid-template-columns: 1fr;
        }
        .cta-card {
            grid-template-columns: 1fr;
            padding: 32px 24px;
            text-align: center;
        }
        .cta-card .cta-actions {
            justify-content: center;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .footer-bottom .footer-icp {
            justify-content: center;
        }
    }
    @media (max-width: 520px) {
        .hero-stats {
            grid-template-columns: 1fr;
        }
        .hero-content h1 {
            font-size: 26px;
        }
        .section-title {
            font-size: 23px;
        }
        .tool-entry-card {
            min-height: auto;
            padding: 20px 18px;
        }
        .simulation-balls {
            gap: 6px;
        }
        .sim-ball {
            width: 38px;
            height: 38px;
            font-size: 15px;
        }
        .sim-divider {
            width: 14px;
        }
        .faq-question {
            font-size: 14.5px;
            padding: 14px 16px;
        }
        .faq-answer.open {
            padding: 0 16px 16px;
        }
        .top-bar-left .status-text {
            display: none;
        }
        .top-bar-right .top-action-icon span {
            display: none;
        }
    }

/* roulang page: category6 */
:root {
            --color-primary: #C8102E;
            --color-primary-dark: #A00D1D;
            --color-bg: #F7F5F1;
            --color-surface: #FFFFFF;
            --color-ink: #1A1A1A;
            --color-muted: #696969;
            --color-line: #E6E1D8;
            --color-accent-gold: #B58B5A;
            --color-footer-bg: #1A1A1A;
            --color-footer-text: #D9D9D9;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'DIN Alternate', 'SF Mono', 'Roboto Mono', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --container-max: 1280px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }
        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(200, 16, 46, 0.07);
            padding: 4px 12px;
            border-radius: 20px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 650;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--color-ink);
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }
        .text-center {
            text-align: center;
        }
        .text-gold {
            color: var(--color-accent-gold);
        }
        .button {
            font-family: var(--font-sans);
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            padding: 12px 24px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }
        .button-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            box-shadow: 0 2px 6px rgba(200, 16, 46, 0.25);
        }
        .button-primary:hover {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200, 16, 46, 0.35);
        }
        .button-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(200, 16, 46, 0.2);
        }
        .button-secondary {
            background-color: transparent;
            color: var(--color-ink);
            border: 1.5px solid var(--color-ink);
        }
        .button-secondary:hover {
            background-color: var(--color-bg);
            color: var(--color-primary);
            border-color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-2px);
        }
        .button-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }
        .button-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
        }
        /* 顶部信息条 */
        .top-bar {
            background-color: var(--color-ink);
            color: #D0D0D0;
            padding: 6px 0;
            font-size: 13px;
            border-bottom: 1px solid #2A2A2A;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 28px;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar-left .domain-text {
            color: #B0B0B0;
            font-family: var(--font-mono);
            font-size: 12px;
            letter-spacing: 0.3px;
        }
        .top-bar-left .status-text {
            color: #8FB98F;
            font-size: 12.5px;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar-right a {
            color: #D0D0D0;
            font-size: 12.5px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .top-bar-right a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }
        /* 主导航 */
        .main-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 12px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .brand-logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            font-size: 17px;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links-desktop a {
            color: var(--color-ink);
            font-size: 14.5px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .nav-links-desktop a:not(.nav-cta-btn)::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width var(--transition-base);
            border-radius: 2px;
        }
        .nav-links-desktop a:not(.nav-cta-btn):hover::after,
        .nav-links-desktop a:not(.nav-cta-btn).active::after {
            width: 60%;
        }
        .nav-links-desktop a:not(.nav-cta-btn):hover,
        .nav-links-desktop a:not(.nav-cta-btn).active {
            color: var(--color-primary);
            text-decoration: none;
        }
        .nav-links-desktop a.active {
            font-weight: 650;
        }
        .nav-cta-btn {
            background: var(--color-primary);
            color: #FFFFFF !important;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            margin-left: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 2px 6px rgba(200, 16, 46, 0.2);
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(200, 16, 46, 0.3);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-line);
            color: var(--color-ink);
            font-size: 20px;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }
        .mobile-toggle:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        /* 移动端抽屉 */
        .nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-surface);
            z-index: 100;
            padding: 24px 20px;
            box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
            transform: translateX(-100%);
            transition: transform var(--transition-base);
            overflow-y: auto;
        }
        .nav-drawer.open {
            transform: translateX(0);
        }
        .nav-drawer .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }
        .nav-drawer .drawer-header .brand-logo {
            font-size: 18px;
        }
        .nav-drawer .drawer-close {
            background: none;
            border: 1px solid var(--color-line);
            color: var(--color-ink);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 18px;
            transition: all var(--transition-fast);
        }
        .nav-drawer .drawer-close:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .nav-drawer a {
            display: block;
            padding: 12px 8px;
            font-size: 16px;
            color: var(--color-ink);
            border-bottom: 1px solid var(--color-line);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .nav-drawer a:hover,
        .nav-drawer a.active {
            color: var(--color-primary);
            padding-left: 16px;
        }
        .nav-drawer a.nav-cta-btn-mobile {
            margin-top: 16px;
            background: var(--color-primary);
            color: #FFFFFF;
            text-align: center;
            border-radius: var(--radius-sm);
            border-bottom: none;
            padding: 14px;
            font-weight: 600;
        }
        .nav-drawer a.nav-cta-btn-mobile:hover {
            background: var(--color-primary-dark);
            padding-left: 14px;
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
            z-index: 90;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }
        /* Hero 帮助中心 */
        .help-hero {
            background: var(--color-ink);
            padding: 64px 0 72px;
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid var(--color-primary);
        }
        .help-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }
        .help-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: linear-gradient(90deg, var(--color-ink) 0%, transparent 100%);
            pointer-events: none;
        }
        .help-hero .container {
            position: relative;
            z-index: 2;
        }
        .help-hero .hero-badge {
            display: inline-block;
            background: rgba(200, 16, 46, 0.25);
            color: #F0A8B2;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
        }
        .help-hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            max-width: 680px;
        }
        .help-hero .hero-subtitle {
            font-size: 17px;
            color: #C5C5C5;
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 28px;
        }
        .help-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        /* 快速帮助统计 */
        .help-stats {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-line);
            padding: 28px 0;
        }
        .help-stats .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .help-stats .stat-item {
            text-align: center;
            padding: 8px 12px;
        }
        .help-stats .stat-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .help-stats .stat-label {
            font-size: 14px;
            color: var(--color-muted);
            margin-top: 4px;
        }
        /* 帮助分类入口 */
        .help-categories {
            background: var(--color-bg);
            padding: 56px 0;
        }
        .help-categories .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .help-categories .cat-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
        }
        .help-categories .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
        }
        .help-categories .cat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: rgba(200, 16, 46, 0.08);
            color: var(--color-primary);
            border-radius: var(--radius-md);
            font-size: 22px;
            margin-bottom: 16px;
        }
        .help-categories .cat-card h3 {
            font-size: 17px;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--color-ink);
        }
        .help-categories .cat-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* FAQ 手风琴 */
        .help-faq {
            background: var(--color-surface);
            padding: 64px 0;
        }
        .help-faq .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .help-faq .accordion-item {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .help-faq .accordion-item:hover {
            border-color: rgba(200, 16, 46, 0.4);
            box-shadow: var(--shadow-sm);
        }
        .help-faq .accordion-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            gap: 14px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            transition: background var(--transition-fast);
        }
        .help-faq .accordion-header:hover {
            background: rgba(200, 16, 46, 0.03);
        }
        .help-faq .accordion-header .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.08);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: transform var(--transition-base);
        }
        .help-faq .accordion-item.open .accordion-header .icon {
            transform: rotate(45deg);
        }
        .help-faq .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }
        .help-faq .accordion-body-inner {
            padding: 0 20px 20px;
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
        }
        .help-faq .accordion-body-inner p {
            margin-bottom: 10px;
        }
        .help-faq .accordion-body-inner p:last-child {
            margin-bottom: 0;
        }
        /* 步骤指南 */
        .help-steps {
            background: var(--color-bg);
            padding: 64px 0;
        }
        .help-steps .steps-wrapper {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .help-steps .step-item {
            flex: 1;
            min-width: 220px;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition-base);
        }
        .help-steps .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
        }
        .help-steps .step-number {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: rgba(200, 16, 46, 0.2);
            line-height: 1;
            margin-bottom: 16px;
            letter-spacing: -2px;
        }
        .help-steps .step-item h3 {
            font-size: 18px;
            font-weight: 650;
            margin-bottom: 10px;
            color: var(--color-ink);
        }
        .help-steps .step-item p {
            font-size: 14.5px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .help-steps .step-arrow {
            position: absolute;
            top: 50%;
            right: -16px;
            transform: translateY(-50%);
            color: var(--color-primary);
            font-size: 20px;
            z-index: 1;
        }
        /* 联系方式卡 */
        .help-contact {
            background: var(--color-ink);
            padding: 64px 0;
            position: relative;
        }
        .help-contact::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .help-contact .container {
            position: relative;
            z-index: 2;
        }
        .help-contact .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        .help-contact .contact-info h2 {
            font-size: 30px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .help-contact .contact-info p {
            color: #B5B5B5;
            font-size: 15.5px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .help-contact .contact-info .contact-detail {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            color: #D0D0D0;
            font-size: 15px;
        }
        .help-contact .contact-info .contact-detail i {
            color: var(--color-primary);
            width: 20px;
            text-align: center;
        }
        .help-contact .contact-card-visual {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .help-contact .contact-card-visual h3 {
            font-size: 20px;
            font-weight: 650;
            margin-bottom: 12px;
            color: var(--color-ink);
        }
        .help-contact .contact-card-visual p {
            font-size: 14.5px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .help-contact .contact-card-visual .button {
            width: 100%;
            justify-content: center;
        }
        /* 安全提醒 */
        .help-safety-tip {
            background: var(--color-surface);
            border-top: 4px solid var(--color-accent-gold);
            padding: 36px 0;
        }
        .help-safety-tip .safety-inner {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: rgba(181, 139, 90, 0.08);
            border: 1px solid rgba(181, 139, 90, 0.25);
            border-radius: var(--radius-md);
            padding: 24px 28px;
        }
        .help-safety-tip .safety-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent-gold);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .help-safety-tip h3 {
            font-size: 17px;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--color-ink);
        }
        .help-safety-tip p {
            font-size: 14.5px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* 订阅 CTA */
        .help-cta {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            padding: 56px 0;
            position: relative;
        }
        .help-cta .cta-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .help-cta .cta-text h2 {
            font-size: 26px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .help-cta .cta-text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15.5px;
            margin-bottom: 0;
        }
        .help-cta .button {
            background: #FFFFFF;
            color: var(--color-primary);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 650;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .help-cta .button:hover {
            background: #F2F2F2;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }
        /* 帮助工具横条 */
        .help-tools-strip {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            padding: 24px 0;
        }
        .help-tools-strip .tools-row {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .help-tools-strip .tool-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-ink);
            text-decoration: none;
            padding: 8px 16px;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            background: var(--color-bg);
        }
        .help-tools-strip .tool-link:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            text-decoration: none;
            background: rgba(200, 16, 46, 0.04);
        }
        /* 数据说明 */
        .help-data-note {
            background: var(--color-bg);
            padding: 48px 0;
        }
        .help-data-note .note-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .help-data-note .note-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .help-data-note .note-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
        }
        .help-data-note .note-card i {
            color: var(--color-primary);
            font-size: 18px;
            margin-bottom: 10px;
            display: inline-block;
        }
        .help-data-note .note-card h4 {
            font-size: 15.5px;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--color-ink);
        }
        .help-data-note .note-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* 页脚 */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 48px 0 24px;
            border-top: 4px solid var(--color-primary);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid #2A2A2A;
            margin-bottom: 20px;
        }
        .site-footer .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--color-footer-text);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: var(--color-footer-text);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #8A8A8A;
        }
        .site-footer .footer-icp {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .site-footer .footer-icp a {
            color: #8A8A8A;
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-icp a:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .help-categories .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .help-contact .contact-grid {
                grid-template-columns: 1fr;
            }
            .help-data-note .note-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links-desktop {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-drawer {
                display: block;
            }
        }
        @media (max-width: 640px) {
            section {
                padding: var(--section-pad-mobile);
            }
            .help-hero {
                padding: 40px 0 48px;
            }
            .help-hero h1 {
                font-size: 30px;
            }
            .help-hero .hero-subtitle {
                font-size: 15px;
            }
            .help-stats .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .help-categories .cat-grid {
                grid-template-columns: 1fr;
            }
            .help-steps .steps-wrapper {
                flex-direction: column;
            }
            .help-steps .step-arrow {
                display: none;
            }
            .help-data-note .note-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .help-cta .cta-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 24px;
            }
            .top-bar-left .status-text {
                display: none;
            }
            .help-safety-tip .safety-inner {
                flex-direction: column;
                padding: 18px 14px;
            }
        }

/* roulang page: category7 */
:root {
        --color-primary: #C8102E;
        --color-primary-dark: #A00D1D;
        --color-bg: #F7F5F1;
        --color-surface: #FFFFFF;
        --color-ink: #1A1A1A;
        --color-muted: #696969;
        --color-line: #E6E1D8;
        --color-accent-gold: #B58B5A;
        --color-footer-bg: #1A1A1A;
        --color-footer-text: #D9D9D9;
        --radius-sm: 6px;
        --radius-md: 8px;
        --radius-lg: 10px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
        --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
        --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
        --font-mono: 'DIN Alternate','SF Mono','Roboto Mono',monospace;
        --transition-fast: 0.18s ease;
        --transition-base: 0.28s ease;
        --section-pad-desktop: 80px 0;
        --section-pad-mobile: 48px 0;
        --container-max: 1280px;
    }
    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--color-bg);
        color: var(--color-ink);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }
    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-fast), text-decoration var(--transition-fast);
    }
    a:hover {
        color: var(--color-primary-dark);
        text-decoration: underline;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 16px;
    }
    section {
        padding: var(--section-pad-desktop);
        position: relative;
    }
    .section-label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 2px;
        color: var(--color-primary);
        text-transform: uppercase;
        margin-bottom: 12px;
        background: rgba(200,16,46,0.07);
        padding: 4px 12px;
        border-radius: 20px;
    }
    .section-title {
        font-size: 32px;
        font-weight: 650;
        line-height: 1.3;
        margin-bottom: 16px;
        color: var(--color-ink);
        letter-spacing: -0.5px;
    }
    .section-desc {
        font-size: 16px;
        color: var(--color-muted);
        line-height: 1.8;
        max-width: 720px;
        margin-bottom: 32px;
    }
    .text-center {
        text-align: center;
    }
    .text-gold {
        color: var(--color-accent-gold);
    }
    .button {
        font-family: var(--font-sans);
        border-radius: var(--radius-sm);
        font-weight: 600;
        letter-spacing: 0.5px;
        transition: all var(--transition-base);
        padding: 12px 24px;
        font-size: 15px;
        border: none;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        line-height: 1.4;
    }
    .button-primary {
        background-color: var(--color-primary);
        color: #FFFFFF;
        box-shadow: 0 2px 6px rgba(200,16,46,0.25);
    }
    .button-primary:hover {
        background-color: var(--color-primary-dark);
        color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(200,16,46,0.35);
    }
    .button-secondary {
        background-color: transparent;
        color: var(--color-ink);
        border: 1.5px solid var(--color-ink);
    }
    .button-secondary:hover {
        background-color: var(--color-bg);
        color: var(--color-primary);
        border-color: var(--color-primary);
        text-decoration: none;
        transform: translateY(-2px);
    }
    .button-outline-light {
        background-color: transparent;
        color: #FFFFFF;
        border: 1.5px solid rgba(255,255,255,0.6);
    }
    .button-outline-light:hover {
        background-color: rgba(255,255,255,0.1);
        color: #FFFFFF;
        border-color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-2px);
    }
    /* 顶部信息条 */
    .top-bar {
        background-color: #141414;
        color: #B0B0B0;
        font-size: 13px;
        min-height: 36px;
        line-height: 36px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .top-bar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        min-height: 36px;
        flex-wrap: wrap;
    }
    .top-bar-left .domain-text {
        color: #B0B0B0;
        font-family: var(--font-mono);
        font-size: 12px;
        letter-spacing: 0.3px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .top-bar-right {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .top-bar-right a {
        color: #D0D0D0;
        font-size: 12.5px;
        transition: color var(--transition-fast);
        white-space: nowrap;
    }
    .top-bar-right a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }
    .top-bar-sep {
        color: #3A3A3A;
        font-size: 12px;
    }
    /* 主导航 */
    .main-header {
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        position: sticky;
        top: 0;
        z-index: 30;
        box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .main-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 68px;
        gap: 20px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 700;
        color: var(--color-ink);
        letter-spacing: 0.5px;
        white-space: nowrap;
        text-decoration: none;
    }
    .brand-logo:hover {
        color: var(--color-ink);
        text-decoration: none;
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, var(--color-primary) 0%, #8F0B20 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #FFFFFF;
        font-size: 16px;
        flex-shrink: 0;
    }
    .nav-links-desktop {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    .nav-links-desktop a {
        font-size: 15px;
        font-weight: 500;
        color: var(--color-ink);
        padding: 8px 10px;
        position: relative;
        transition: color var(--transition-fast);
        white-space: nowrap;
        text-decoration: none;
    }
    .nav-links-desktop a::after {
        content: '';
        position: absolute;
        left: 10px;
        right: 10px;
        bottom: 2px;
        height: 2px;
        background: var(--color-primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--transition-base);
    }
    .nav-links-desktop a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }
    .nav-links-desktop a:hover::after {
        transform: scaleX(1);
    }
    .nav-links-desktop a.active {
        color: var(--color-primary);
        font-weight: 650;
    }
    .nav-links-desktop a.active::after {
        transform: scaleX(1);
    }
    .nav-cta-btn {
        background-color: var(--color-primary);
        color: #FFFFFF !important;
        border-radius: var(--radius-sm);
        padding: 9px 18px !important;
        font-weight: 600;
        letter-spacing: 0.5px;
        transition: all var(--transition-base);
    }
    .nav-cta-btn:hover {
        background-color: var(--color-primary-dark);
        color: #FFFFFF !important;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(200,16,46,0.35);
    }
    .nav-cta-btn::after {
        display: none !important;
    }
    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--color-ink);
        font-size: 24px;
        cursor: pointer;
        padding: 8px;
        border-radius: var(--radius-sm);
        transition: background var(--transition-fast);
    }
    .mobile-toggle:hover {
        background: var(--color-bg);
    }
    /* 移动端导航 */
    .mobile-menu {
        display: none;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-line);
        padding: 12px 0;
        flex-direction: column;
    }
    .mobile-menu.open {
        display: flex;
    }
    .mobile-menu a {
        padding: 12px 20px;
        font-size: 16px;
        color: var(--color-ink);
        border-bottom: 1px solid var(--color-line);
        text-decoration: none;
    }
    .mobile-menu a:last-child {
        border-bottom: none;
    }
    .mobile-menu a.active {
        color: var(--color-primary);
        font-weight: 650;
    }
    .mobile-menu a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }
    /* Hero */
    .hero-section {
        background-color: #1A1A1A;
        color: #FFFFFF;
        padding: 64px 0;
        position: relative;
        background-image: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('/assets/images/backpic/back-2.jpg');
        background-size: cover;
        background-position: center;
        min-height: 320px;
        display: flex;
        align-items: center;
    }
    .hero-section .container {
        position: relative;
        z-index: 2;
    }
    .hero-title {
        font-size: 40px;
        font-weight: 700;
        line-height: 1.2;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
        color: #FFFFFF;
    }
    .hero-subtitle {
        font-size: 18px;
        color: rgba(255,255,255,0.85);
        max-width: 680px;
        line-height: 1.8;
        margin-bottom: 24px;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(200,16,46,0.2);
        border: 1px solid rgba(200,16,46,0.5);
        color: #FFD4D4;
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 20px;
    }
    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }
    /* 公告列表 */
    .announcement-section {
        padding: var(--section-pad-desktop);
    }
    .announcement-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .announcement-item {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 20px 24px;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition-base);
        display: flex;
        align-items: flex-start;
        gap: 18px;
    }
    .announcement-item:hover {
        border-color: var(--color-primary);
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .announcement-date {
        font-family: var(--font-mono);
        font-size: 13px;
        color: var(--color-muted);
        white-space: nowrap;
        min-width: 90px;
        padding-top: 4px;
        font-weight: 600;
        letter-spacing: 0.5px;
    }
    .announcement-content {
        flex: 1;
    }
    .announcement-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 4px;
        background: rgba(200,16,46,0.08);
        color: var(--color-primary);
        margin-right: 8px;
        letter-spacing: 0.5px;
    }
    .announcement-item h3 {
        font-size: 18px;
        font-weight: 650;
        margin: 8px 0 8px;
        color: var(--color-ink);
        line-height: 1.4;
    }
    .announcement-item p {
        font-size: 15px;
        color: var(--color-muted);
        line-height: 1.7;
        margin-bottom: 4px;
    }
    /* 安全要点 */
    .safety-points-section {
        background: var(--color-surface);
        border-top: 1px solid var(--color-line);
        border-bottom: 1px solid var(--color-line);
    }
    .safety-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 20px;
        margin-top: 32px;
    }
    .safety-card {
        background: var(--color-bg);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 24px;
        transition: all var(--transition-base);
    }
    .safety-card:hover {
        border-color: var(--color-primary);
        box-shadow: var(--shadow-sm);
    }
    .safety-icon {
        width: 44px;
        height: 44px;
        background: rgba(200,16,46,0.08);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-primary);
        font-size: 20px;
        margin-bottom: 16px;
    }
    .safety-card h3 {
        font-size: 19px;
        font-weight: 650;
        margin-bottom: 10px;
        color: var(--color-ink);
    }
    .safety-card p {
        font-size: 15px;
        color: var(--color-muted);
        line-height: 1.7;
    }
    /* 合规说明 */
    .compliance-section {
        background: #FFFFFF;
    }
    .compliance-panel {
        background: var(--color-bg);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-lg);
        padding: 36px;
        margin-top: 24px;
    }
    .compliance-panel h3 {
        font-size: 22px;
        font-weight: 650;
        margin-bottom: 16px;
        color: var(--color-ink);
    }
    .compliance-panel p {
        font-size: 16px;
        color: var(--color-muted);
        line-height: 1.8;
        margin-bottom: 16px;
    }
    .compliance-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .compliance-list li {
        padding: 10px 0;
        font-size: 15px;
        color: var(--color-muted);
        border-bottom: 1px dashed var(--color-line);
        display: flex;
        align-items: flex-start;
        gap: 10px;
        line-height: 1.7;
    }
    .compliance-list li:last-child {
        border-bottom: none;
    }
    .compliance-list li i {
        color: var(--color-accent-gold);
        margin-top: 5px;
        font-size: 14px;
    }
    /* 下载备案区域 */
    .download-section {
        background: #1A1A1A;
        color: #FFFFFF;
        padding: 64px 0;
    }
    .download-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        margin-top: 24px;
    }
    .download-card {
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.15);
        border-radius: var(--radius-md);
        padding: 28px;
        transition: all var(--transition-base);
    }
    .download-card:hover {
        background: rgba(255,255,255,0.1);
        border-color: rgba(255,255,255,0.3);
    }
    .download-card h3 {
        font-size: 20px;
        font-weight: 650;
        margin-bottom: 12px;
        color: #FFFFFF;
    }
    .download-card p {
        font-size: 15px;
        color: rgba(255,255,255,0.7);
        line-height: 1.7;
        margin-bottom: 16px;
    }
    .download-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: #FF6B6B;
        font-weight: 600;
        font-size: 15px;
        transition: color var(--transition-fast);
    }
    .download-link:hover {
        color: #FFA0A0;
        text-decoration: underline;
    }
    /* FAQ */
    .faq-section {
        background: var(--color-bg);
    }
    .faq-list {
        max-width: 800px;
        margin: 32px auto 0;
    }
    .faq-item {
        background: var(--color-surface);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item:hover {
        border-color: var(--color-primary);
    }
    .faq-question {
        width: 100%;
        background: none;
        border: none;
        padding: 18px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--color-ink);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        font-family: var(--font-sans);
        text-align: left;
        transition: background var(--transition-fast);
    }
    .faq-question:hover {
        background: rgba(200,16,46,0.03);
    }
    .faq-question i {
        color: var(--color-primary);
        transition: transform var(--transition-base);
        font-size: 16px;
        flex-shrink: 0;
    }
    .faq-item.open .faq-question i {
        transform: rotate(180deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base) ease;
    }
    .faq-item.open .faq-answer {
        max-height: 600px;
    }
    .faq-answer-inner {
        padding: 0 24px 20px;
        font-size: 15px;
        color: var(--color-muted);
        line-height: 1.8;
    }
    /* CTA */
    .cta-section {
        background: var(--color-surface);
        border-top: 1px solid var(--color-line);
        border-bottom: 1px solid var(--color-line);
        text-align: center;
    }
    .cta-box {
        background: #1A1A1A;
        border-radius: var(--radius-lg);
        padding: 48px 36px;
        max-width: 720px;
        margin: 0 auto;
        box-shadow: var(--shadow-lg);
        background-image: linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.35)), url('/assets/images/backpic/back-3.jpg');
        background-size: cover;
        background-position: center;
    }
    .cta-box h3 {
        font-size: 28px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 16px;
    }
    .cta-box p {
        font-size: 16px;
        color: rgba(255,255,255,0.8);
        line-height: 1.8;
        margin-bottom: 24px;
    }
    /* 页脚 */
    .site-footer {
        background: var(--color-footer-bg);
        color: var(--color-footer-text);
        padding: 60px 0 30px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 40px;
    }
    .footer-brand h3 {
        font-size: 22px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }
    .footer-brand p {
        font-size: 14px;
        color: #B0B0B0;
        line-height: 1.8;
    }
    .footer-col h4 {
        font-size: 16px;
        font-weight: 650;
        color: #FFFFFF;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul li a {
        color: #B0B0B0;
        font-size: 14px;
        transition: color var(--transition-fast);
        text-decoration: none;
    }
    .footer-col ul li a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 13px;
        color: #808080;
    }
    .footer-icp {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }
    .footer-icp a {
        color: #808080;
        font-size: 13px;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    .footer-icp a:hover {
        color: #FFFFFF;
        text-decoration: underline;
    }
    /* 响应式 */
    @media (max-width: 1024px) {
        .nav-links-desktop {
            gap: 2px;
        }
        .nav-links-desktop a {
            font-size: 14px;
            padding: 8px 6px;
        }
        .download-grid {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 768px) {
        section {
            padding: var(--section-pad-mobile);
        }
        .section-title {
            font-size: 24px;
        }
        .hero-title {
            font-size: 28px;
        }
        .hero-subtitle {
            font-size: 16px;
        }
        .nav-links-desktop {
            display: none;
        }
        .mobile-toggle {
            display: block;
        }
        .top-bar-left .domain-text {
            font-size: 11px;
        }
        .top-bar-right a {
            font-size: 11px;
        }
        .top-bar-sep {
            display: none;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 12px;
        }
        .footer-icp {
            justify-content: center;
        }
        .announcement-item {
            flex-direction: column;
            gap: 8px;
            padding: 16px;
        }
        .announcement-date {
            min-width: auto;
        }
        .compliance-panel {
            padding: 24px;
        }
        .cta-box {
            padding: 32px 20px;
        }
        .cta-box h3 {
            font-size: 22px;
        }
        .hero-actions {
            flex-direction: column;
            gap: 10px;
        }
        .hero-actions .button {
            width: 100%;
            justify-content: center;
        }
    }
    @media (max-width: 520px) {
        .top-bar-right {
            gap: 8px;
        }
        .top-bar-right a {
            font-size: 10.5px;
        }
        .hero-title {
            font-size: 24px;
        }
        .section-title {
            font-size: 20px;
        }
        .announcement-item h3 {
            font-size: 16px;
        }
        .safety-grid {
            grid-template-columns: 1fr;
        }
    }