/* roulang page: index */
:root {
            --primary-deep: #0B3C4A;
            --primary-dark: #08262E;
            --accent-coral: #F45B3B;
            --accent-coral-hover: #D63E24;
            --accent-teal: #1A9E96;
            --bg-warm: #F6F2EB;
            --card-bg: #FFFFFF;
            --text-main: #1A2B33;
            --text-secondary: #5A6B72;
            --border-light: #D8E0E2;
            --nav-text: #E8EDEE;
            --nav-muted: #8FA3A8;
            --footer-text: #C6D2D5;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-tag: 3px;
            --shadow-card: 0 2px 12px rgba(8, 38, 46, 0.08);
            --shadow-card-hover: 0 6px 20px rgba(8, 38, 46, 0.13);
            --font-heading: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --sidebar-width: 250px;
            --transition-base: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
        }

        h1 {
            font-size: clamp(28px, 3.2vw, 42px);
            font-weight: 900;
        }
        h2 {
            font-size: clamp(24px, 2.6vw, 32px);
            font-weight: 800;
        }
        h3 {
            font-size: clamp(18px, 1.8vw, 22px);
            font-weight: 700;
        }

        a {
            text-decoration: none;
            color: var(--accent-teal);
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-deep);
        }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent-coral);
            outline-offset: 2px;
        }

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

        .object-fit-cover {
            object-fit: cover;
            width: 100%;
            height: 100%;
        }

        .section-pad {
            padding: 70px 0;
        }
        .section-pad-sm {
            padding: 50px 0;
        }

        /* === 左侧竖向导航 === */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0;
            box-shadow: 2px 0 18px rgba(8, 38, 46, 0.18);
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 22px 20px;
            border-bottom: 1px solid rgba(216, 224, 226, 0.12);
            min-height: 80px;
        }

        .brand-star {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .brand-star svg {
            width: 100%;
            height: 100%;
        }

        .brand-name {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-menu {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .sidebar-menu .nav-item-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            color: var(--nav-text);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border-left: 3px solid transparent;
            transition: var(--transition-base);
            position: relative;
        }

        .sidebar-menu .nav-item-link:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-left-color: var(--accent-coral);
        }

        .sidebar-menu .nav-item-link.active {
            background-color: rgba(244, 91, 59, 0.18);
            color: #fff;
            border-left-color: var(--accent-coral);
            font-weight: 600;
        }

        .sidebar-menu .nav-item-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--nav-muted);
            transition: var(--transition-base);
        }
        .sidebar-menu .nav-item-link:hover i,
        .sidebar-menu .nav-item-link.active i {
            color: var(--accent-coral);
        }

        .sidebar-bottom {
            padding: 16px 20px;
            border-top: 1px solid rgba(216, 224, 226, 0.12);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-bottom a {
            color: var(--nav-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-base);
        }
        .sidebar-bottom a:hover {
            color: #fff;
        }

        /* === 主内容区 === */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* === 移动端顶部导航 === */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: #fff;
            box-shadow: 0 2px 14px rgba(8, 38, 46, 0.1);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .brand-name {
            color: var(--primary-deep);
            font-size: 18px;
        }
        .mobile-topbar .hamburger-btn {
            background: none;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--primary-deep);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .mobile-topbar .hamburger-btn:hover {
            background-color: var(--bg-warm);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(8, 38, 46, 0.6);
            z-index: 1045;
        }
        .mobile-menu-overlay.show {
            display: block;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: var(--primary-dark);
            z-index: 1055;
            padding: 60px 20px 30px;
            transition: right 0.3s ease;
            overflow-y: auto;
        }
        .mobile-drawer.show {
            right: 0;
        }
        .mobile-drawer .close-drawer {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            color: #fff;
            font-size: 26px;
            cursor: pointer;
        }
        .mobile-drawer .nav-item-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            color: var(--nav-text);
            font-size: 16px;
            border-radius: var(--radius-btn);
            border-left: 3px solid transparent;
            margin-bottom: 4px;
            transition: var(--transition-base);
        }
        .mobile-drawer .nav-item-link:hover,
        .mobile-drawer .nav-item-link.active {
            background-color: rgba(244, 91, 59, 0.2);
            border-left-color: var(--accent-coral);
        }

        /* === Hero 全宽视频遮罩 === */
        .hero-video {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            overflow: hidden;
        }
        .hero-video .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
        }
        .hero-video .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,38,46,0.65) 0%, rgba(11,60,74,0.82) 55%, rgba(8,38,46,0.9) 100%);
        }
        .hero-video .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            width: 100%;
        }
        .hero-play-btn {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(244, 91, 59, 0.9);
            border: 2px solid rgba(255, 255, 255, 0.4);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 26px;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 0 0 rgba(244, 91, 59, 0.5);
            animation: pulse-ring 2.2s infinite;
        }
        .hero-play-btn:hover {
            background: var(--accent-coral);
            transform: scale(1.05);
            box-shadow: 0 8px 26px rgba(244, 91, 59, 0.5);
        }
        @keyframes pulse-ring {
            0% { box-shadow: 0 0 0 0 rgba(244, 91, 59, 0.55); }
            70% { box-shadow: 0 0 0 18px rgba(244, 91, 59, 0); }
            100% { box-shadow: 0 0 0 0 rgba(244, 91, 59, 0); }
        }
        .hero-tag {
            display: inline-block;
            background: rgba(26, 158, 150, 0.25);
            color: #7FE0DA;
            font-size: 14px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(26,158,150,0.4);
            margin-bottom: 18px;
        }
        .hero-video h1 {
            color: #fff;
            font-size: clamp(32px, 4vw, 52px);
            font-weight: 900;
            letter-spacing: -0.5px;
        }
        .hero-video .hero-subtitle {
            color: rgba(232, 237, 238, 0.85);
            font-size: 16px;
            max-width: 620px;
            margin: 20px 0 30px;
            line-height: 1.9;
        }
        .btn-coral {
            background: var(--accent-coral);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition-base);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-coral:hover {
            background: var(--accent-coral-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(244, 91, 59, 0.35);
        }
        .btn-outline-deep {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition-base);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-deep:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid var(--primary-deep);
            color: var(--primary-deep);
            border-radius: var(--radius-btn);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition-base);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light:hover {
            background: #FCF0E8;
            border-color: var(--accent-coral);
            color: var(--accent-coral);
        }

        /* === 通用板块样式 === */
        .section-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-coral);
            background: rgba(244, 91, 59, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 700px;
            margin-bottom: 36px;
            line-height: 1.9;
        }

        /* 卡片通用 */
        .hs-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
            height: 100%;
        }
        .hs-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(244, 91, 59, 0.3);
        }
        .hs-card .card-img-wrap {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E8EDEE;
        }
        .hs-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hs-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .hs-card .card-body {
            padding: 20px 22px;
        }
        .hs-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-teal);
            background: rgba(26, 158, 150, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            margin-bottom: 10px;
        }
        .hs-card .card-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .hs-card .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .hs-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-coral);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            transition: var(--transition-base);
        }
        .hs-card .card-link:hover {
            color: var(--accent-coral-hover);
            gap: 10px;
        }

        /* 深色区块 */
        .section-dark {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            color: #fff;
        }
        .section-dark .section-title,
        .section-dark .section-desc {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(232, 237, 238, 0.8);
        }

        /* 数据统计 */
        .stat-number {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 900;
            color: var(--accent-coral);
            line-height: 1.2;
            font-family: var(--font-heading);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .section-dark .stat-label {
            color: rgba(232, 237, 238, 0.7);
        }

        /* 倒计时 */
        .countdown-box {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 30px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .countdown-num {
            font-size: clamp(36px, 4.5vw, 56px);
            font-weight: 900;
            color: var(--accent-coral);
            font-family: var(--font-heading);
            line-height: 1.1;
        }
        .countdown-unit {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 1px;
        }

        /* 时间轴 */
        .timeline-item {
            position: relative;
            padding-left: 40px;
            padding-bottom: 32px;
            border-left: 2px dashed var(--border-light);
        }
        .timeline-item:last-child {
            border-left-color: transparent;
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -10px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent-coral);
            border: 3px solid var(--bg-warm);
            box-shadow: 0 0 0 3px rgba(244, 91, 59, 0.25);
        }
        .timeline-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .timeline-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* 表单 */
        .hs-form .form-control {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 11px 16px;
            font-size: 14px;
            color: var(--text-main);
            transition: var(--transition-base);
        }
        .hs-form .form-control:focus {
            border-color: var(--accent-coral);
            box-shadow: 0 0 0 3px rgba(244, 91, 59, 0.12);
        }
        .hs-form .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-dark);
            color: var(--footer-text);
            padding: 50px 0 30px;
            margin-top: 0;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }
        .site-footer a {
            color: var(--footer-text);
            transition: var(--transition-base);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(216, 224, 226, 0.12);
            padding-top: 20px;
            margin-top: 30px;
            font-size: 13px;
            color: var(--nav-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .sidebar-nav {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }
            .hero-video {
                min-height: auto;
            }
            .hero-video .hero-content {
                padding: 60px 0 70px;
            }
            .section-pad {
                padding: 50px 0;
            }
            .section-pad-sm {
                padding: 36px 0;
            }
        }
        @media (max-width: 767.98px) {
            .hero-video h1 {
                font-size: 28px;
            }
            .hero-video .hero-subtitle {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-pad {
                padding: 40px 0;
            }
            .stat-number {
                font-size: 28px;
            }
            .countdown-num {
                font-size: 32px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 575.98px) {
            .section-pad {
                padding: 32px 0;
            }
            .hero-video h1 {
                font-size: 24px;
            }
            .btn-coral, .btn-outline-deep {
                padding: 10px 18px;
                font-size: 13px;
            }
            .countdown-box {
                padding: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-deep: #0B3C4A;
            --primary-dark: #08262E;
            --accent-coral: #F45B3B;
            --accent-coral-hover: #D63E24;
            --accent-teal: #1A9E96;
            --bg-warm: #F6F2EB;
            --card-bg: #FFFFFF;
            --text-main: #1A2B33;
            --text-secondary: #5A6B72;
            --border-light: #D8E0E2;
            --nav-text: #E8EDEE;
            --nav-muted: #8FA3A8;
            --footer-text: #C6D2D5;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-tag: 3px;
            --shadow-card: 0 2px 12px rgba(8, 38, 46, 0.08);
            --shadow-card-hover: 0 6px 20px rgba(8, 38, 46, 0.13);
            --font-heading: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --sidebar-width: 250px;
            --transition-base: all 0.25s ease;
        }
        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: var(--accent-teal);
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-deep);
        }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent-coral);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-pad {
            padding: 50px 0;
        }
        .section-pad-sm {
            padding: 32px 0;
        }
        /* === 左侧竖向导航 === */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0;
            box-shadow: 2px 0 18px rgba(8, 38, 46, 0.18);
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 22px 20px;
            border-bottom: 1px solid rgba(216, 224, 226, 0.12);
            min-height: 80px;
        }
        .brand-star {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .brand-star svg {
            width: 100%;
            height: 100%;
        }
        .brand-name {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .sidebar-menu {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .sidebar-menu .nav-item-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            color: var(--nav-text);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border-left: 3px solid transparent;
            transition: var(--transition-base);
            position: relative;
        }
        .sidebar-menu .nav-item-link:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-left-color: var(--accent-coral);
        }
        .sidebar-menu .nav-item-link.active {
            background-color: rgba(244, 91, 59, 0.18);
            color: #fff;
            border-left-color: var(--accent-coral);
            font-weight: 600;
        }
        .sidebar-menu .nav-item-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--nav-muted);
            transition: var(--transition-base);
        }
        .sidebar-menu .nav-item-link:hover i,
        .sidebar-menu .nav-item-link.active i {
            color: var(--accent-coral);
        }
        .sidebar-bottom a {
            color: var(--nav-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-base);
        }
        .sidebar-bottom a:hover {
            color: #fff;
        }
        /* === 主内容区 === */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        /* === 移动端顶部导航 === */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: #fff;
            box-shadow: 0 2px 14px rgba(8, 38, 46, 0.1);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .brand-name {
            color: var(--primary-deep);
            font-size: 18px;
        }
        .mobile-topbar .hamburger-btn {
            background: none;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--primary-deep);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .mobile-topbar .hamburger-btn:hover {
            background-color: var(--bg-warm);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(8, 38, 46, 0.5);
            z-index: 1049;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-menu-overlay.show {
            display: block;
            opacity: 1;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: min(80%, 320px);
            background: var(--primary-deep);
            z-index: 1051;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .mobile-menu-panel.show {
            transform: translateX(0);
        }
        .mobile-menu-panel .sidebar-brand {
            background: rgba(8, 38, 46, 0.3);
            border-bottom: 1px solid rgba(216, 224, 226, 0.12);
        }
        .mobile-menu-panel .sidebar-menu {
            padding: 16px 12px;
        }
        .mobile-menu-panel .sidebar-bottom {
            padding: 16px 20px;
            border-top: 1px solid rgba(216, 224, 226, 0.12);
        }
        /* === 页面头部 === */
        .page-header {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            color: #fff;
            padding: 42px 0 36px;
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid var(--accent-coral);
        }
        .page-header::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border: 2px dashed rgba(244, 91, 59, 0.25);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header .breadcrumb {
            --bs-breadcrumb-divider-color: rgba(255,255,255,0.5);
            --bs-breadcrumb-item-active-color: #fff;
            margin-bottom: 14px;
        }
        .page-header .breadcrumb a {
            color: var(--accent-coral);
            font-size: 14px;
        }
        .page-header .breadcrumb a:hover {
            color: #fff;
        }
        .page-header h1 {
            font-family: var(--font-heading);
            font-size: 34px;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .page-header .lead-text {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255,255,255,0.85);
            max-width: 780px;
        }
        /* === 文章列表 === */
        .article-list {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .article-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: background 0.2s ease;
        }
        .article-item:last-child {
            border-bottom: none;
        }
        .article-item:hover {
            background: #FCF7F2;
        }
        .article-thumb {
            width: 110px;
            height: 76px;
            flex-shrink: 0;
            border-radius: 4px;
            overflow: hidden;
        }
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-content {
            flex: 1;
            min-width: 0;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }
        .article-category {
            background: #FCE9E1;
            color: var(--accent-coral-hover);
            padding: 2px 8px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
            white-space: nowrap;
        }
        .article-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .article-title a {
            color: inherit;
        }
        .article-title a:hover {
            color: var(--accent-coral);
        }
        .article-summary {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* === 侧边栏工具 === */
        .sidebar-widget {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            margin-bottom: 24px;
        }
        .sidebar-widget .widget-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-deep);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .rank-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-light);
            font-size: 14px;
            line-height: 1.5;
        }
        .rank-list li:last-child {
            border-bottom: none;
        }
        .rank-number {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            background: var(--primary-deep);
            color: #fff;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
        }
        .rank-number.hot {
            background: var(--accent-coral);
        }
        .rank-list a {
            color: var(--text-main);
        }
        .rank-list a:hover {
            color: var(--accent-coral);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            background: var(--bg-warm);
            color: var(--text-secondary);
            padding: 5px 12px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            transition: var(--transition-base);
        }
        .tag-cloud a:hover {
            background: var(--accent-coral);
            color: #fff;
        }
        /* === 编辑推荐 === */
        .editor-picks .pick-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
        }
        .editor-picks .pick-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .editor-picks .pick-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .editor-picks .pick-body {
            padding: 16px 20px;
        }
        .editor-picks .pick-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .editor-picks .pick-body h3 a {
            color: var(--text-main);
        }
        .editor-picks .pick-body h3 a:hover {
            color: var(--accent-coral);
        }
        .editor-picks .pick-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        /* === 订阅CTA === */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--primary-deep) 0%, #0F4A5A 100%);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::after {
            content: '';
            position: absolute;
            width: 180px;
            height: 180px;
            border: 2px dashed rgba(244, 91, 59, 0.3);
            border-radius: 50%;
            right: -40px;
            top: -40px;
        }
        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .subscribe-cta p {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            margin-bottom: 20px;
            max-width: 540px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1 1 260px;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 15px;
            transition: var(--transition-base);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.6);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--accent-coral);
            box-shadow: 0 0 0 3px rgba(244, 91, 59, 0.2);
            background: rgba(255,255,255,0.15);
        }
        .btn-coral {
            background: var(--accent-coral);
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-coral:hover {
            background: var(--accent-coral-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-coral:active {
            transform: translateY(0);
            background: #B8321C;
        }
        /* === 延伸阅读 === */
        .related-topic .topic-card {
            background: var(--card-bg);
            border-left: 4px solid var(--accent-teal);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            height: 100%;
            transition: var(--transition-base);
        }
        .related-topic .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateX(4px);
        }
        .related-topic .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .related-topic .topic-card h3 a {
            color: var(--text-main);
        }
        .related-topic .topic-card h3 a:hover {
            color: var(--accent-coral);
        }
        .related-topic .topic-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        /* === 页脚 === */
        .site-footer {
            background: var(--primary-dark);
            color: var(--footer-text);
            padding: 40px 0 24px;
            margin-top: auto;
        }
        .site-footer .footer-brand {
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.5px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .site-footer a {
            color: var(--footer-text);
            transition: var(--transition-base);
        }
        .site-footer a:hover {
            color: var(--accent-coral);
        }
        .footer-bottom {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(216, 224, 226, 0.15);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 13px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        /* === 响应式 === */
        @media (max-width: 1199.98px) {
            .article-thumb {
                width: 90px;
                height: 64px;
            }
        }
        @media (max-width: 991.98px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-header h1 {
                font-size: 28px;
            }
        }
        @media (max-width: 767.98px) {
            .page-header {
                padding: 28px 0 24px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .article-item {
                flex-direction: column;
            }
            .article-thumb {
                width: 100%;
                height: 180px;
            }
            .subscribe-cta {
                padding: 28px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 575.98px) {
            .section-pad {
                padding: 32px 0;
            }
            .subscribe-form input[type="email"] {
                flex-basis: 100%;
            }
        }

/* roulang page: category1 */
:root {
      --primary-deep: #0B3C4A;
      --primary-dark: #08262E;
      --accent-coral: #F45B3B;
      --accent-coral-hover: #D63E24;
      --accent-teal: #1A9E96;
      --bg-warm: #F6F2EB;
      --card-bg: #FFFFFF;
      --text-main: #1A2B33;
      --text-secondary: #5A6B72;
      --border-light: #D8E0E2;
      --nav-text: #E8EDEE;
      --nav-muted: #8FA3A8;
      --footer-text: #C6D2D5;
      --radius-card: 8px;
      --radius-btn: 4px;
      --radius-tag: 3px;
      --shadow-card: 0 2px 12px rgba(8, 38, 46, 0.08);
      --shadow-card-hover: 0 6px 20px rgba(8, 38, 46, 0.13);
      --font-heading: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      --sidebar-width: 250px;
      --transition-base: all 0.25s ease;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-body);
      font-weight: 400;
      line-height: 1.85;
      color: var(--text-main);
      background-color: var(--bg-warm);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      margin: 0;
      min-height: 100vh;
    }
    a {
      text-decoration: none;
      color: var(--accent-teal);
      transition: var(--transition-base);
    }
    a:hover {
      color: var(--primary-deep);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--accent-coral);
      outline-offset: 2px;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .section-pad {
      padding: 70px 0;
    }
    .section-pad-sm {
      padding: 50px 0;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      font-family: var(--font-heading);
      line-height: 1.4;
      color: var(--text-main);
      font-weight: 700;
    }
    h1 {
      font-size: 32px;
      font-weight: 800;
    }
    h2 {
      font-size: 26px;
      font-weight: 700;
    }
    h3 {
      font-size: 20px;
      font-weight: 600;
    }
    p {
      margin-bottom: 0.9rem;
    }
    .text-secondary-custom {
      color: var(--text-secondary) !important;
    }
    .section-heading {
      font-size: 26px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      position: relative;
      padding-left: 18px;
    }
    .section-heading::before {
      content: "";
      position: absolute;
      left: 0;
      top: 8px;
      width: 4px;
      height: 24px;
      background: var(--accent-coral);
      border-radius: 2px;
    }
    .section-subheading {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 32px;
      padding-left: 18px;
    }
    /* ===== 左侧竖向导航 ===== */
    .sidebar-nav {
      position: fixed;
      top: 0;
      left: 0;
      width: var(--sidebar-width);
      height: 100vh;
      background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
      z-index: 1040;
      display: flex;
      flex-direction: column;
      padding: 0;
      box-shadow: 2px 0 18px rgba(8, 38, 46, 0.18);
      transition: transform 0.3s ease;
    }
    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 22px 20px;
      border-bottom: 1px solid rgba(216, 224, 226, 0.12);
      min-height: 80px;
    }
    .brand-star {
      width: 36px;
      height: 36px;
      flex-shrink: 0;
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .brand-star svg {
      width: 100%;
      height: 100%;
    }
    .brand-name {
      font-family: var(--font-heading);
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 0.5px;
      white-space: nowrap;
    }
    .sidebar-menu {
      flex: 1;
      padding: 16px 12px;
      overflow-y: auto;
    }
    .sidebar-menu .nav-item-link {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 13px 16px;
      color: var(--nav-text);
      font-size: 15px;
      font-weight: 500;
      border-radius: var(--radius-btn);
      border-left: 3px solid transparent;
      transition: var(--transition-base);
      position: relative;
    }
    .sidebar-menu .nav-item-link:hover {
      background-color: rgba(255, 255, 255, 0.08);
      color: #fff;
      border-left-color: var(--accent-coral);
    }
    .sidebar-menu .nav-item-link.active {
      background-color: rgba(244, 91, 59, 0.18);
      color: #fff;
      border-left-color: var(--accent-coral);
      font-weight: 600;
    }
    .sidebar-menu .nav-item-link i {
      width: 20px;
      text-align: center;
      font-size: 16px;
      color: var(--nav-muted);
      transition: var(--transition-base);
    }
    .sidebar-menu .nav-item-link:hover i,
    .sidebar-menu .nav-item-link.active i {
      color: var(--accent-coral);
    }
    .sidebar-bottom {
      padding: 16px 20px;
      border-top: 1px solid rgba(216, 224, 226, 0.12);
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .sidebar-bottom a {
      color: var(--nav-muted);
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition-base);
    }
    .sidebar-bottom a:hover {
      color: #fff;
    }
    /* ===== 主内容区 ===== */
    .main-wrapper {
      margin-left: var(--sidebar-width);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    /* ===== 移动端顶部导航 ===== */
    .mobile-topbar {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1050;
      background: #fff;
      box-shadow: 0 2px 14px rgba(8, 38, 46, 0.1);
      padding: 12px 16px;
      align-items: center;
      justify-content: space-between;
    }
    .mobile-topbar .brand-name {
      color: var(--primary-deep);
      font-size: 18px;
    }
    .mobile-topbar .brand-star svg {
      width: 30px;
      height: 30px;
    }
    .mobile-topbar .hamburger-btn {
      background: none;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-btn);
      padding: 8px 12px;
      font-size: 20px;
      color: var(--primary-deep);
      cursor: pointer;
      transition: var(--transition-base);
      line-height: 1;
    }
    .mobile-topbar .hamburger-btn:hover {
      background-color: var(--bg-warm);
    }
    .mobile-menu-collapse {
      display: none;
      position: fixed;
      top: 60px;
      left: 0;
      right: 0;
      z-index: 1049;
      background: #fff;
      box-shadow: 0 6px 18px rgba(8, 38, 46, 0.12);
      border-top: 1px solid var(--border-light);
      padding: 16px;
    }
    .mobile-menu-collapse.show {
      display: block;
    }
    .mobile-menu-collapse .nav-item-link {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      color: var(--text-main);
      font-size: 15px;
      font-weight: 500;
      border-radius: var(--radius-btn);
      border-left: 3px solid transparent;
      transition: var(--transition-base);
      margin-bottom: 4px;
    }
    .mobile-menu-collapse .nav-item-link:hover {
      background-color: var(--bg-warm);
      border-left-color: var(--accent-coral);
    }
    .mobile-menu-collapse .nav-item-link.active {
      background-color: rgba(244, 91, 59, 0.1);
      border-left-color: var(--accent-coral);
      color: var(--accent-coral);
    }
    .mobile-menu-collapse .nav-item-link i {
      width: 20px;
      text-align: center;
      color: var(--text-secondary);
    }
    /* ===== 面包屑 ===== */
    .breadcrumb-wrapper {
      background: var(--card-bg);
      border-bottom: 1px solid var(--border-light);
      padding: 14px 0;
      font-size: 13px;
    }
    .breadcrumb-wrapper .breadcrumb {
      margin: 0;
      padding: 0;
      background: transparent;
    }
    .breadcrumb-wrapper .breadcrumb-item a {
      color: var(--text-secondary);
    }
    .breadcrumb-wrapper .breadcrumb-item a:hover {
      color: var(--accent-coral);
    }
    .breadcrumb-wrapper .breadcrumb-item.active {
      color: var(--primary-deep);
      font-weight: 500;
    }
    .breadcrumb-item + .breadcrumb-item::before {
      content: "›";
      color: var(--text-secondary);
      font-weight: 400;
    }
    /* ===== 分类头部 ===== */
    .category-hero {
      padding: 40px 0 28px;
      background: linear-gradient(135deg, #fff 0%, var(--bg-warm) 100%);
      border-bottom: 1px solid var(--border-light);
    }
    .category-hero h1 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .category-hero .cat-desc {
      font-size: 15px;
      color: var(--text-secondary);
      max-width: 760px;
      line-height: 1.9;
    }
    .cat-meta-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      margin-top: 18px;
      font-size: 13px;
      color: var(--text-secondary);
    }
    .cat-meta-strip span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fff;
      padding: 6px 14px;
      border-radius: 20px;
      border: 1px solid var(--border-light);
    }
    .cat-meta-strip i {
      color: var(--accent-coral);
      font-size: 14px;
    }
    /* ===== 赛程列表主体 ===== */
    .schedule-list-section {
      padding: 50px 0;
    }
    .schedule-card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 18px 22px;
      margin-bottom: 14px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      transition: var(--transition-base);
      position: relative;
    }
    .schedule-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-2px);
      border-color: rgba(244, 91, 59, 0.35);
    }
    .schedule-card .sport-icon {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-warm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--accent-coral);
      flex-shrink: 0;
    }
    .schedule-card .match-info {
      flex: 1;
      min-width: 200px;
    }
    .schedule-card .match-info .match-teams {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.3px;
    }
    .schedule-card .match-info .match-sport {
      font-size: 13px;
      color: var(--text-secondary);
    }
    .schedule-card .match-time {
      text-align: center;
      min-width: 110px;
    }
    .schedule-card .match-time .match-date {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-deep);
    }
    .schedule-card .match-time .match-hour {
      font-size: 13px;
      color: var(--text-secondary);
    }
    .schedule-card .match-venue {
      font-size: 13px;
      color: var(--text-secondary);
      display: flex;
      align-items: center;
      gap: 6px;
      min-width: 130px;
    }
    .match-status-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 500;
      padding: 4px 12px;
      border-radius: 20px;
      white-space: nowrap;
    }
    .status-live {
      background: rgba(244, 91, 59, 0.12);
      color: var(--accent-coral);
      border: 1px solid rgba(244, 91, 59, 0.3);
      animation: pulse-live 2s ease-in-out infinite;
    }
    .status-upcoming {
      background: rgba(26, 158, 150, 0.1);
      color: var(--accent-teal);
      border: 1px solid rgba(26, 158, 150, 0.25);
    }
    .status-finished {
      background: rgba(90, 107, 114, 0.1);
      color: var(--text-secondary);
      border: 1px solid var(--border-light);
    }
    @keyframes pulse-live {
      0%,
      100% {
        opacity: 1;
      }
      50% {
        opacity: 0.6;
      }
    }
    .schedule-list-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }
    .schedule-list-header .result-count {
      font-size: 14px;
      color: var(--text-secondary);
    }
    .btn-view-all {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 500;
      color: var(--accent-coral);
      padding: 8px 18px;
      border: 1.5px solid var(--accent-coral);
      border-radius: var(--radius-btn);
      background: transparent;
      transition: var(--transition-base);
      cursor: pointer;
    }
    .btn-view-all:hover {
      background: var(--accent-coral);
      color: #fff;
    }
    /* ===== 月度赛历概览 ===== */
    .month-calendar-section {
      padding: 50px 0;
      background: var(--card-bg);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .calendar-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 8px;
      margin-top: 18px;
    }
    .calendar-day {
      background: var(--bg-warm);
      border: 1px solid var(--border-light);
      border-radius: 6px;
      padding: 10px 8px;
      text-align: center;
      font-size: 13px;
      min-height: 64px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      transition: var(--transition-base);
    }
    .calendar-day.has-event {
      background: rgba(244, 91, 59, 0.08);
      border-color: rgba(244, 91, 59, 0.3);
      cursor: pointer;
    }
    .calendar-day.has-event:hover {
      background: rgba(244, 91, 59, 0.15);
      transform: translateY(-2px);
    }
    .calendar-day .day-number {
      font-weight: 700;
      font-size: 15px;
      color: var(--text-main);
    }
    .calendar-day .day-event-count {
      font-size: 11px;
      color: var(--accent-coral);
      margin-top: 2px;
    }
    .calendar-day.weekday-header {
      background: transparent;
      border: none;
      font-weight: 600;
      color: var(--text-secondary);
      min-height: auto;
      font-size: 13px;
    }
    /* ===== 精选推荐 ===== */
    .featured-section {
      padding: 50px 0;
    }
    .featured-card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: var(--transition-base);
      height: 100%;
    }
    .featured-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
    }
    .featured-card .featured-img {
      height: 180px;
      overflow: hidden;
      position: relative;
    }
    .featured-card .featured-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition-base);
    }
    .featured-card:hover .featured-img img {
      transform: scale(1.04);
    }
    .featured-card .featured-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--accent-coral);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-tag);
    }
    .featured-card .featured-body {
      padding: 18px 20px;
    }
    .featured-card .featured-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.5;
    }
    .featured-card .featured-body p {
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 12px;
      line-height: 1.7;
    }
    .featured-card .featured-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--accent-coral);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .featured-card .featured-link:hover {
      color: var(--accent-coral-hover);
    }
    /* ===== 标签云 ===== */
    .tag-cloud-section {
      padding: 50px 0;
      background: var(--card-bg);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .tag-cloud-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }
    .tag-cloud-item {
      display: inline-block;
      padding: 7px 16px;
      font-size: 13px;
      font-weight: 500;
      border-radius: 20px;
      background: var(--bg-warm);
      color: var(--text-secondary);
      border: 1px solid var(--border-light);
      transition: var(--transition-base);
      cursor: pointer;
    }
    .tag-cloud-item:hover {
      background: rgba(244, 91, 59, 0.1);
      color: var(--accent-coral);
      border-color: rgba(244, 91, 59, 0.35);
    }
    .tag-cloud-item.tag-lg {
      font-size: 15px;
      padding: 9px 20px;
      font-weight: 600;
    }
    .tag-cloud-item.tag-md {
      font-size: 14px;
    }
    .tag-cloud-item.tag-sm {
      font-size: 12px;
      padding: 5px 12px;
    }
    /* ===== 订阅CTA ===== */
    .subscribe-section {
      padding: 50px 0;
      background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
      color: #fff;
    }
    .subscribe-section .section-heading {
      color: #fff;
    }
    .subscribe-section .section-heading::before {
      background: var(--accent-coral);
    }
    .subscribe-section .subscribe-desc {
      color: var(--footer-text);
      font-size: 14px;
      margin-bottom: 20px;
    }
    .subscribe-form .form-control {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(216, 224, 226, 0.25);
      color: #fff;
      border-radius: var(--radius-btn);
      padding: 10px 16px;
      font-size: 14px;
      transition: var(--transition-base);
    }
    .subscribe-form .form-control::placeholder {
      color: rgba(198, 210, 213, 0.7);
    }
    .subscribe-form .form-control:focus {
      border-color: var(--accent-coral);
      box-shadow: 0 0 0 3px rgba(244, 91, 59, 0.25);
      background: rgba(255, 255, 255, 0.15);
    }
    .btn-subscribe {
      background: var(--accent-coral);
      color: #fff;
      border: none;
      border-radius: var(--radius-btn);
      padding: 10px 26px;
      font-size: 14px;
      font-weight: 600;
      transition: var(--transition-base);
      cursor: pointer;
      white-space: nowrap;
    }
    .btn-subscribe:hover {
      background: var(--accent-coral-hover);
      color: #fff;
    }
    /* ===== 延伸阅读 ===== */
    .extended-reading-section {
      padding: 50px 0;
    }
    .reading-list-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      padding: 16px 0;
      border-bottom: 1px solid var(--border-light);
      transition: var(--transition-base);
    }
    .reading-list-item:hover {
      padding-left: 8px;
      border-bottom-color: rgba(244, 91, 59, 0.3);
    }
    .reading-list-item .reading-icon {
      width: 40px;
      height: 40px;
      border-radius: 6px;
      background: var(--bg-warm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-teal);
      flex-shrink: 0;
      font-size: 16px;
    }
    .reading-list-item .reading-content h4 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 4px;
      line-height: 1.5;
    }
    .reading-list-item .reading-content h4 a {
      color: var(--text-main);
    }
    .reading-list-item .reading-content h4 a:hover {
      color: var(--accent-coral);
    }
    .reading-list-item .reading-content .reading-meta {
      font-size: 12px;
      color: var(--text-secondary);
    }
    /* ===== FAQ ===== */
    .faq-section {
      padding: 50px 0;
      background: var(--card-bg);
      border-top: 1px solid var(--border-light);
    }
    .accordion-custom .accordion-item {
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card) !important;
      margin-bottom: 10px;
      overflow: hidden;
      background: var(--card-bg);
      box-shadow: none;
    }
    .accordion-custom .accordion-button {
      background: var(--bg-warm);
      color: var(--text-main);
      font-weight: 600;
      font-size: 15px;
      padding: 16px 22px;
      border: none;
      box-shadow: none;
      border-radius: var(--radius-card) !important;
      transition: var(--transition-base);
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      background: var(--card-bg);
      color: var(--accent-coral);
      box-shadow: none;
    }
    .accordion-custom .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(244, 91, 59, 0.12);
      border-color: var(--accent-coral);
    }
    .accordion-custom .accordion-button::after {
      filter: invert(40%) sepia(60%) saturate(300%) hue-rotate(155deg);
    }
    .accordion-custom .accordion-body {
      background: var(--card-bg);
      padding: 16px 22px 20px;
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.9;
    }
    /* ===== 数据速览 ===== */
    .quick-stats-section {
      padding: 50px 0;
    }
    .stat-mini-card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      padding: 20px;
      text-align: center;
      height: 100%;
      transition: var(--transition-base);
    }
    .stat-mini-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-3px);
    }
    .stat-mini-card .stat-number {
      font-size: 32px;
      font-weight: 800;
      color: var(--accent-coral);
      font-family: var(--font-heading);
      line-height: 1.2;
    }
    .stat-mini-card .stat-label {
      font-size: 13px;
      color: var(--text-secondary);
      margin-top: 6px;
    }
    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--primary-dark);
      color: var(--footer-text);
      padding: 50px 0 0;
      margin-top: auto;
    }
    .site-footer .footer-brand {
      font-family: var(--font-heading);
      font-size: 20px;
      font-weight: 800;
      color: #fff;
    }
    .site-footer ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .site-footer ul li a {
      color: var(--footer-text);
      font-size: 14px;
      transition: var(--transition-base);
    }
    .site-footer ul li a:hover {
      color: #fff;
    }
    .footer-bottom {
      border-top: 1px solid rgba(216, 224, 226, 0.12);
      padding: 18px 0;
      margin-top: 36px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px 24px;
      font-size: 12px;
      color: var(--nav-muted);
      align-items: center;
      justify-content: space-between;
    }
    .footer-bottom a {
      color: var(--nav-muted);
      transition: var(--transition-base);
    }
    .footer-bottom a:hover {
      color: #fff;
    }
    /* ===== 响应式 ===== */
    @media (max-width: 991.98px) {
      .sidebar-nav {
        display: none;
      }
      .main-wrapper {
        margin-left: 0;
        padding-top: 60px;
      }
      .mobile-topbar {
        display: flex;
      }
      .sidebar-brand-mobile {
        display: flex;
        align-items: center;
        gap: 8px;
      }
      .category-hero h1 {
        font-size: 26px;
      }
      .schedule-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
      .schedule-card .match-time {
        text-align: left;
      }
      .schedule-card .match-venue {
        min-width: auto;
      }
      .calendar-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 4px;
      }
      .calendar-day {
        min-height: 48px;
        font-size: 11px;
        padding: 6px 4px;
      }
      .calendar-day .day-number {
        font-size: 13px;
      }
      .calendar-day .day-event-count {
        font-size: 9px;
      }
      .featured-card .featured-img {
        height: 150px;
      }
      .section-pad,
      .section-pad-sm {
        padding: 40px 0;
      }
    }
    @media (max-width: 767.98px) {
      h1 {
        font-size: 24px;
      }
      h2 {
        font-size: 22px;
      }
      .section-heading {
        font-size: 22px;
      }
      .category-hero {
        padding: 28px 0 20px;
      }
      .schedule-card {
        padding: 14px 16px;
      }
      .schedule-card .match-info .match-teams {
        font-size: 14px;
      }
      .calendar-grid {
        gap: 3px;
      }
      .calendar-day {
        min-height: 40px;
        padding: 4px 2px;
        font-size: 10px;
      }
      .calendar-day .day-number {
        font-size: 11px;
      }
      .calendar-day .day-event-count {
        font-size: 8px;
      }
      .featured-card .featured-img {
        height: 140px;
      }
      .stat-mini-card .stat-number {
        font-size: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
    }
    @media (max-width: 575.98px) {
      .section-pad,
      .section-pad-sm {
        padding: 32px 0;
      }
      .category-hero h1 {
        font-size: 21px;
      }
      .schedule-card {
        padding: 12px 14px;
      }
      .schedule-list-header {
        flex-direction: column;
        align-items: flex-start;
      }
      .calendar-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 2px;
      }
      .calendar-day {
        min-height: 34px;
        border-radius: 3px;
        font-size: 9px;
        padding: 3px 2px;
      }
      .calendar-day .day-number {
        font-size: 10px;
      }
      .calendar-day .day-event-count {
        display: none;
      }
      .featured-card .featured-img {
        height: 120px;
      }
      .tag-cloud-item {
        font-size: 11px;
        padding: 5px 10px;
      }
      .tag-cloud-item.tag-lg {
        font-size: 13px;
        padding: 7px 14px;
      }
    }

/* roulang page: category4 */
:root {
            --primary-deep: #0B3C4A;
            --primary-dark: #08262E;
            --accent-coral: #F45B3B;
            --accent-coral-hover: #D63E24;
            --accent-teal: #1A9E96;
            --bg-warm: #F6F2EB;
            --card-bg: #FFFFFF;
            --text-main: #1A2B33;
            --text-secondary: #5A6B72;
            --border-light: #D8E0E2;
            --nav-text: #E8EDEE;
            --nav-muted: #8FA3A8;
            --footer-text: #C6D2D5;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-tag: 3px;
            --shadow-card: 0 2px 12px rgba(8, 38, 46, 0.08);
            --shadow-card-hover: 0 6px 20px rgba(8, 38, 46, 0.13);
            --font-heading: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --sidebar-width: 250px;
            --transition-base: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--text-main);
            line-height: 1.45;
            margin-top: 0;
        }
        h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: 0.5px;
        }
        h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        h3 {
            font-size: 21px;
            font-weight: 700;
        }
        a {
            text-decoration: none;
            color: var(--accent-teal);
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-deep);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-coral);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-pad {
            padding: 70px 0;
        }
        .section-pad-sm {
            padding: 50px 0;
        }
        /* === 左侧竖向导航 === */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0;
            box-shadow: 2px 0 18px rgba(8, 38, 46, 0.18);
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 22px 20px;
            border-bottom: 1px solid rgba(216, 224, 226, 0.12);
            min-height: 80px;
        }
        .brand-star {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .brand-star svg {
            width: 100%;
            height: 100%;
        }
        .brand-name {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .sidebar-menu {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .sidebar-menu .nav-item-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            color: var(--nav-text);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border-left: 3px solid transparent;
            transition: var(--transition-base);
            position: relative;
        }
        .sidebar-menu .nav-item-link:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-left-color: var(--accent-coral);
        }
        .sidebar-menu .nav-item-link.active {
            background-color: rgba(244, 91, 59, 0.18);
            color: #fff;
            border-left-color: var(--accent-coral);
            font-weight: 600;
        }
        .sidebar-menu .nav-item-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--nav-muted);
            transition: var(--transition-base);
        }
        .sidebar-menu .nav-item-link:hover i,
        .sidebar-menu .nav-item-link.active i {
            color: var(--accent-coral);
        }
        .sidebar-bottom {
            padding: 16px 20px;
            border-top: 1px solid rgba(216, 224, 226, 0.12);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-bottom a {
            color: var(--nav-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-base);
        }
        .sidebar-bottom a:hover {
            color: #fff;
        }
        .sidebar-bottom i {
            width: 16px;
            text-align: center;
        }
        /* === 主内容区 === */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
        }
        /* === 移动端顶部导航 === */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: #fff;
            box-shadow: 0 2px 14px rgba(8, 38, 46, 0.1);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .brand-name {
            color: var(--primary-deep);
            font-size: 18px;
        }
        .mobile-topbar .hamburger-btn {
            background: none;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--primary-deep);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .mobile-topbar .hamburger-btn:hover {
            background-color: var(--bg-warm);
        }
        .mobile-menu-container {
            display: none;
            position: fixed;
            top: 66px;
            left: 0;
            right: 0;
            background: #fff;
            box-shadow: 0 6px 20px rgba(8, 38, 46, 0.12);
            z-index: 1049;
            padding: 16px;
            max-height: calc(100vh - 66px);
            overflow-y: auto;
            transition: all 0.3s ease;
        }
        .mobile-menu-container.open {
            display: block;
        }
        .mobile-menu-container .nav-item-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border-left: 3px solid transparent;
            transition: var(--transition-base);
            margin-bottom: 4px;
        }
        .mobile-menu-container .nav-item-link:hover {
            background-color: var(--bg-warm);
            border-left-color: var(--accent-coral);
            color: var(--primary-deep);
        }
        .mobile-menu-container .nav-item-link.active {
            background-color: rgba(244, 91, 59, 0.08);
            border-left-color: var(--accent-coral);
            color: var(--primary-deep);
            font-weight: 600;
        }
        .mobile-menu-container .nav-item-link i {
            width: 20px;
            text-align: center;
            color: var(--text-secondary);
        }
        .mobile-menu-container .nav-item-link.active i {
            color: var(--accent-coral);
        }
        .mobile-menu-footer {
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
            display: flex;
            gap: 16px;
            font-size: 13px;
        }
        .mobile-menu-footer a {
            color: var(--text-secondary);
        }
        .mobile-menu-footer a:hover {
            color: var(--accent-coral);
        }
        /* === 页面头部 === */
        .page-header {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            padding: 42px 0 36px;
            position: relative;
            overflow: hidden;
        }
        .page-header::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            border: 2px solid rgba(244, 91, 59, 0.2);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header::before {
            content: '';
            position: absolute;
            bottom: -50%;
            left: 10%;
            width: 320px;
            height: 320px;
            border: 1px solid rgba(26, 158, 150, 0.25);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header h1 {
            color: #fff;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .breadcrumb-themed {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 14px;
            position: relative;
            z-index: 1;
        }
        .breadcrumb-themed .breadcrumb-item {
            color: var(--nav-muted);
        }
        .breadcrumb-themed .breadcrumb-item a {
            color: var(--nav-muted);
            transition: var(--transition-base);
        }
        .breadcrumb-themed .breadcrumb-item a:hover {
            color: #fff;
        }
        .breadcrumb-themed .breadcrumb-item.active {
            color: var(--accent-coral);
        }
        .breadcrumb-themed .breadcrumb-item + .breadcrumb-item::before {
            content: "/";
            color: rgba(255, 255, 255, 0.4);
        }
        /* === 分类描述区 === */
        .category-intro {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 26px 30px;
            margin-top: -24px;
            position: relative;
            z-index: 2;
        }
        .category-intro p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 0;
        }
        /* === 数据速览条 === */
        .stat-strip {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            padding: 18px 20px;
            background: linear-gradient(135deg, #0F4555 0%, #0B3C4A 100%);
            border-radius: var(--radius-card);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stat-strip::after {
            content: '';
            position: absolute;
            top: -30%;
            right: 5%;
            width: 160px;
            height: 160px;
            border: 1px solid rgba(244, 91, 59, 0.3);
            border-radius: 50%;
        }
        .stat-item {
            flex: 1;
            min-width: 100px;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .stat-item .stat-num {
            font-size: 28px;
            font-weight: 800;
            font-family: var(--font-heading);
            color: var(--accent-coral);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--nav-muted);
            margin-top: 4px;
        }
        /* === 专栏卡片 === */
        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent-coral);
        }
        .article-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .article-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .article-card .card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-card .tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            background: rgba(26, 158, 150, 0.1);
            color: var(--accent-teal);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .article-card h3 a {
            color: var(--text-main);
            transition: var(--transition-base);
        }
        .article-card h3 a:hover {
            color: var(--accent-coral);
        }
        .article-card .card-summary {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }
        .article-card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-secondary);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .article-card .meta .author {
            font-weight: 600;
            color: var(--primary-deep);
        }
        .article-card .meta i {
            font-size: 13px;
            color: var(--nav-muted);
        }
        /* === 作者简介 === */
        .author-profile-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 28px 30px;
            height: 100%;
            transition: var(--transition-base);
        }
        .author-profile-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .author-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-coral) 0%, var(--primary-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            font-family: var(--font-heading);
            margin-bottom: 14px;
        }
        .author-profile-card h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }
        .author-profile-card .author-role {
            font-size: 13px;
            color: var(--accent-teal);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .author-profile-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* === 往期专栏列表 === */
        .archive-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .archive-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition-base);
        }
        .archive-list li:last-child {
            border-bottom: none;
        }
        .archive-list li:hover {
            padding-left: 8px;
        }
        .archive-list .archive-title {
            font-weight: 500;
            color: var(--text-main);
            font-size: 15px;
            transition: var(--transition-base);
        }
        .archive-list li:hover .archive-title {
            color: var(--accent-coral);
        }
        .archive-list .archive-date {
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
            margin-left: 16px;
        }
        /* === 订阅CTA === */
        .subscribe-block {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .subscribe-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -5%;
            width: 280px;
            height: 280px;
            border: 1px solid rgba(244, 91, 59, 0.25);
            border-radius: 50%;
        }
        .subscribe-block h2 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .subscribe-block p {
            color: var(--nav-muted);
            font-size: 15px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(216, 224, 226, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: var(--transition-base);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--accent-coral);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(244, 91, 59, 0.2);
        }
        /* === 按钮 === */
        .btn-primary-themed {
            background: var(--accent-coral);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-body);
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-primary-themed:hover {
            background: var(--accent-coral-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary-themed:active {
            background: #B83217;
            transform: translateY(0);
        }
        .btn-outline-themed {
            background: transparent;
            color: var(--primary-deep);
            border: 1.5px solid var(--primary-deep);
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            font-family: var(--font-body);
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-themed:hover {
            background: #FCF0E8;
            color: var(--primary-deep);
            border-color: var(--accent-coral);
        }
        /* === 标签云 === */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-item {
            padding: 6px 14px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: default;
        }
        .tag-cloud .tag-item:hover {
            border-color: var(--accent-coral);
            color: var(--accent-coral);
            background: #FCF0E8;
        }
        /* === 延伸阅读 === */
        .extended-read-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            padding: 18px 20px;
            transition: var(--transition-base);
            height: 100%;
            display: block;
        }
        .extended-read-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent-teal);
        }
        .extended-read-card .read-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.6;
        }
        .extended-read-card:hover .read-title {
            color: var(--accent-teal);
        }
        .extended-read-card .read-meta {
            font-size: 13px;
            color: var(--text-secondary);
        }
        /* === 页脚 === */
        .site-footer {
            background: var(--primary-dark);
            color: var(--footer-text);
            padding: 50px 0 24px;
            margin-top: auto;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li a {
            color: var(--footer-text);
            font-size: 14px;
            transition: var(--transition-base);
        }
        .site-footer ul li a:hover {
            color: var(--accent-coral);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 18px;
            border-top: 1px solid rgba(216, 224, 226, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 13px;
            color: var(--footer-text);
            align-items: center;
        }
        .footer-bottom a {
            color: var(--footer-text);
        }
        .footer-bottom a:hover {
            color: var(--accent-coral);
        }
        /* === 响应式断点 === */
        @media (max-width: 1199.98px) {
            h1 { font-size: 32px; }
            h2 { font-size: 26px; }
        }
        @media (max-width: 991.98px) {
            .sidebar-nav {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }
            h1 { font-size: 30px; }
            h2 { font-size: 24px; }
            .section-pad {
                padding: 50px 0;
            }
            .page-header {
                padding: 32px 0 28px;
            }
            .stat-strip .stat-item .stat-num {
                font-size: 24px;
            }
        }
        @media (max-width: 767.98px) {
            h1 { font-size: 26px; }
            h2 { font-size: 22px; }
            h3 { font-size: 18px; }
            .section-pad {
                padding: 40px 0;
            }
            .page-header {
                padding: 26px 0 22px;
            }
            .category-intro {
                padding: 20px;
            }
            .subscribe-block {
                padding: 28px 22px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                font-size: 12px;
            }
            .article-card .meta {
                flex-wrap: wrap;
                gap: 6px;
            }
        }
        @media (max-width: 575.98px) {
            h1 { font-size: 24px; }
            .section-pad {
                padding: 32px 0;
            }
            .stat-strip {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .stat-item {
                min-width: auto;
                width: 100%;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 12px;
            }
            .stat-item .stat-num {
                font-size: 22px;
                min-width: 50px;
            }
            .archive-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .archive-list .archive-date {
                margin-left: 0;
            }
            .mobile-menu-container {
                top: 58px;
                max-height: calc(100vh - 58px);
            }
        }

/* roulang page: category3 */
:root {
            --primary-deep: #0B3C4A;
            --primary-dark: #08262E;
            --accent-coral: #F45B3B;
            --accent-coral-hover: #D63E24;
            --accent-teal: #1A9E96;
            --bg-warm: #F6F2EB;
            --card-bg: #FFFFFF;
            --text-main: #1A2B33;
            --text-secondary: #5A6B72;
            --border-light: #D8E0E2;
            --nav-text: #E8EDEE;
            --nav-muted: #8FA3A8;
            --footer-text: #C6D2D5;
            --radius-card: 8px;
            --radius-btn: 4px;
            --radius-tag: 3px;
            --shadow-card: 0 2px 12px rgba(8, 38, 46, 0.08);
            --shadow-card-hover: 0 6px 20px rgba(8, 38, 46, 0.13);
            --font-heading: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --sidebar-width: 250px;
            --transition-base: all 0.25s ease;
        }

        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.85;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: var(--accent-teal);
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--primary-deep);
        }

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

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

        .section-pad {
            padding: 70px 0;
        }

        .section-pad-sm {
            padding: 50px 0;
        }

        /* === 左侧竖向导航 === */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0;
            box-shadow: 2px 0 18px rgba(8, 38, 46, 0.18);
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 22px 20px;
            border-bottom: 1px solid rgba(216, 224, 226, 0.12);
            min-height: 80px;
        }

        .brand-star {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .brand-star svg {
            width: 100%;
            height: 100%;
        }

        .brand-name {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-menu {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .sidebar-menu .nav-item-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            color: var(--nav-text);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border-left: 3px solid transparent;
            transition: var(--transition-base);
            position: relative;
        }

        .sidebar-menu .nav-item-link:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-left-color: var(--accent-coral);
        }

        .sidebar-menu .nav-item-link.active {
            background-color: rgba(244, 91, 59, 0.18);
            color: #fff;
            border-left-color: var(--accent-coral);
            font-weight: 600;
        }

        .sidebar-menu .nav-item-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--nav-muted);
            transition: var(--transition-base);
        }

        .sidebar-menu .nav-item-link:hover i,
        .sidebar-menu .nav-item-link.active i {
            color: var(--accent-coral);
        }

        .sidebar-bottom {
            padding: 16px 20px;
            border-top: 1px solid rgba(216, 224, 226, 0.12);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-bottom a {
            color: var(--nav-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-base);
        }

        .sidebar-bottom a:hover {
            color: #fff;
        }

        /* === 主内容区 === */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        /* === 移动端顶部导航 === */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: #fff;
            box-shadow: 0 2px 14px rgba(8, 38, 46, 0.1);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-topbar .brand-name {
            color: var(--primary-deep);
            font-size: 18px;
        }

        .mobile-topbar .hamburger-btn {
            background: none;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--primary-deep);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .mobile-topbar .hamburger-btn:hover {
            background-color: var(--bg-warm);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1049;
            background: rgba(8, 38, 46, 0.55);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-menu-overlay.show {
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            height: 100vh;
            background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            z-index: 1051;
            padding: 20px 16px;
            transition: left 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.open {
            left: 0;
        }

        .mobile-drawer .drawer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 18px;
            border-bottom: 1px solid rgba(216, 224, 226, 0.12);
            margin-bottom: 16px;
        }

        .mobile-drawer .drawer-brand .brand-name {
            color: #fff;
            font-size: 19px;
        }

        .mobile-drawer .nav-item-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            color: var(--nav-text);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border-left: 3px solid transparent;
            transition: var(--transition-base);
            margin-bottom: 4px;
        }

        .mobile-drawer .nav-item-link:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-left-color: var(--accent-coral);
        }

        .mobile-drawer .nav-item-link.active {
            background-color: rgba(244, 91, 59, 0.18);
            color: #fff;
            border-left-color: var(--accent-coral);
            font-weight: 600;
        }

        .mobile-drawer .nav-item-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--nav-muted);
        }

        .mobile-drawer .nav-item-link.active i {
            color: var(--accent-coral);
        }

        .mobile-drawer .drawer-bottom {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid rgba(216, 224, 226, 0.12);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-drawer .drawer-bottom a {
            color: var(--nav-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-drawer .drawer-bottom a:hover {
            color: #fff;
        }

        /* === 面包屑 === */
        .breadcrumb-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            padding: 40px 0 30px;
            border-bottom: 3px solid var(--accent-coral);
        }

        .breadcrumb-section .breadcrumb {
            margin-bottom: 0;
            --bs-breadcrumb-divider-color: rgba(232, 237, 238, 0.5);
        }

        .breadcrumb-section .breadcrumb-item a {
            color: var(--nav-muted);
            transition: var(--transition-base);
        }

        .breadcrumb-section .breadcrumb-item a:hover {
            color: #fff;
        }

        .breadcrumb-section .breadcrumb-item.active {
            color: #fff;
            font-weight: 500;
        }

        .breadcrumb-section .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(232, 237, 238, 0.5);
        }

        .page-h1 {
            font-family: var(--font-heading);
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin: 12px 0 6px;
            line-height: 1.35;
        }

        .page-h1 .h1-accent {
            color: var(--accent-coral);
        }

        .page-excerpt {
            font-size: 16px;
            color: rgba(232, 237, 238, 0.85);
            max-width: 880px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        /* === 分类描述卡片 === */
        .desc-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 24px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .desc-card .desc-icon {
            width: 52px;
            height: 52px;
            background: rgba(26, 158, 150, 0.1);
            border-radius: var(--radius-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-teal);
            flex-shrink: 0;
        }

        .desc-card .desc-text {
            flex: 1;
            min-width: 240px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin: 0;
        }

        /* === 排名表格区域 === */
        .rank-table-section {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
        }

        .rank-table-section .table-title {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .rank-table-section .table-title i {
            color: var(--accent-coral);
            font-size: 18px;
        }

        .rank-table-section .table-subtitle {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .rank-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .rank-table {
            margin-bottom: 0;
            min-width: 620px;
            border-collapse: separate;
            border-spacing: 0;
        }

        .rank-table thead th {
            background-color: var(--bg-warm);
            color: var(--text-main);
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.3px;
            padding: 12px 14px;
            border-bottom: 2px solid var(--border-light);
            white-space: nowrap;
            text-align: left;
        }

        .rank-table tbody td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-main);
            vertical-align: middle;
            white-space: nowrap;
        }

        .rank-table tbody tr:hover {
            background-color: rgba(244, 91, 59, 0.04);
            transition: var(--transition-base);
        }

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

        .rank-pos {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 30px;
            height: 30px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 14px;
            background-color: var(--bg-warm);
            color: var(--text-secondary);
        }

        .rank-pos.top1 {
            background-color: var(--accent-coral);
            color: #fff;
        }

        .rank-pos.top2 {
            background-color: rgba(244, 91, 59, 0.7);
            color: #fff;
        }

        .rank-pos.top3 {
            background-color: rgba(26, 158, 150, 0.7);
            color: #fff;
        }

        .change-up {
            color: var(--accent-coral);
            font-weight: 600;
            font-size: 13px;
        }

        .change-down {
            color: var(--accent-teal);
            font-weight: 600;
            font-size: 13px;
        }

        .change-flat {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .team-name {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-main);
        }

        /* === 数据速览卡 === */
        .data-stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 20px;
            text-align: center;
            height: 100%;
            transition: var(--transition-base);
        }

        .data-stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .data-stat-card .stat-value {
            font-family: var(--font-heading);
            font-size: 34px;
            font-weight: 800;
            color: var(--accent-coral);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-stat-card .stat-value.teal {
            color: var(--accent-teal);
        }

        .data-stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .data-stat-card .stat-trend {
            font-size: 12px;
            color: var(--accent-teal);
            margin-top: 6px;
        }

        /* === 数据更新说明 === */
        .update-info-box {
            background: var(--card-bg);
            border-left: 4px solid var(--accent-teal);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
        }

        .update-info-box h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .update-info-box h3 i {
            color: var(--accent-teal);
        }

        .update-info-box p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .update-info-box p:last-child {
            margin-bottom: 0;
        }

        /* === 统计口径说明 === */
        .method-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .method-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .method-tag i {
            font-size: 12px;
            color: var(--accent-teal);
        }

        .method-tag:hover {
            border-color: var(--accent-teal);
            color: var(--text-main);
        }

        /* === 精选数据专题 === */
        .featured-data-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
        }

        .featured-data-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .featured-data-card .fdc-img {
            position: relative;
            height: 160px;
            overflow: hidden;
        }

        .featured-data-card .fdc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .featured-data-card:hover .fdc-img img {
            transform: scale(1.05);
        }

        .featured-data-card .fdc-body {
            padding: 18px 20px 20px;
        }

        .featured-data-card .fdc-badge {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(26, 158, 150, 0.1);
            color: var(--accent-teal);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            margin-bottom: 10px;
        }

        .featured-data-card .fdc-title {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .featured-data-card .fdc-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* === 订阅 CTA === */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 42px 36px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border: 2px dashed rgba(244, 91, 59, 0.35);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: 30%;
            width: 120px;
            height: 120px;
            border: 2px dashed rgba(26, 158, 150, 0.3);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta p {
            font-size: 15px;
            color: rgba(232, 237, 238, 0.85);
            line-height: 1.85;
            margin-bottom: 22px;
            max-width: 560px;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta .cta-form {
            position: relative;
            z-index: 1;
        }

        .subscribe-cta .form-control {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(216, 224, 226, 0.3);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 11px 16px;
            font-size: 14px;
            transition: var(--transition-base);
        }

        .subscribe-cta .form-control::placeholder {
            color: rgba(232, 237, 238, 0.5);
        }

        .subscribe-cta .form-control:focus {
            border-color: var(--accent-coral);
            box-shadow: 0 0 0 3px rgba(244, 91, 59, 0.2);
            background: rgba(255, 255, 255, 0.15);
        }

        .btn-primary-coral {
            background-color: var(--accent-coral);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 11px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary-coral:hover {
            background-color: var(--accent-coral-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-primary-coral:active {
            background-color: #b3331d;
            transform: translateY(0);
        }

        /* === 延伸阅读 === */
        .ext-article-link {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-bottom: 12px;
            transition: var(--transition-base);
            color: var(--text-main);
        }

        .ext-article-link:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent-teal);
            color: var(--text-main);
            transform: translateX(4px);
        }

        .ext-article-link .ext-icon {
            width: 36px;
            height: 36px;
            background: rgba(26, 158, 150, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-teal);
            flex-shrink: 0;
            font-size: 15px;
        }

        .ext-article-link .ext-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            flex: 1;
        }

        .ext-article-link .ext-arrow {
            color: var(--text-secondary);
            font-size: 13px;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .ext-article-link:hover .ext-arrow {
            color: var(--accent-coral);
            transform: translateX(3px);
        }

        /* === 页脚 === */
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--footer-text);
            padding: 50px 0 20px;
            margin-top: auto;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .site-footer .footer-brand .brand-star {
            width: 28px;
            height: 28px;
        }

        .site-footer a {
            color: var(--footer-text);
            transition: var(--transition-base);
        }

        .site-footer a:hover {
            color: #fff;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            font-size: 14px;
        }

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

        .site-footer .footer-bottom {
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid rgba(216, 224, 226, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: var(--nav-muted);
            align-items: center;
            justify-content: space-between;
        }

        .site-footer .footer-bottom a {
            color: var(--nav-muted);
            font-size: 13px;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* === 响应式 === */
        @media (max-width: 991.98px) {
            .sidebar-nav {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

            .mobile-menu-overlay {
                display: block;
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 62px;
            }

            .breadcrumb-section {
                padding: 26px 0 22px;
            }

            .page-h1 {
                font-size: 27px;
            }

            .page-excerpt {
                font-size: 14px;
            }

            .section-pad {
                padding: 48px 0;
            }

            .section-pad-sm {
                padding: 36px 0;
            }

            .desc-card {
                padding: 20px 22px;
                gap: 16px;
            }

            .rank-table-section {
                padding: 20px 16px;
            }

            .data-stat-card .stat-value {
                font-size: 27px;
            }

            .subscribe-cta {
                padding: 30px 24px;
            }

            .subscribe-cta h2 {
                font-size: 20px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --sidebar-width: 0px;
            }

            .page-h1 {
                font-size: 23px;
                line-height: 1.4;
            }

            .page-excerpt {
                font-size: 13px;
                line-height: 1.8;
            }

            .section-pad {
                padding: 36px 0;
            }

            .section-pad-sm {
                padding: 28px 0;
            }

            .desc-card {
                flex-direction: column;
                gap: 12px;
                padding: 18px 16px;
            }

            .desc-card .desc-icon {
                width: 44px;
                height: 44px;
                font-size: 20px;
            }

            .rank-table-section {
                padding: 16px 12px;
                border-radius: 6px;
            }

            .rank-table-section .table-title {
                font-size: 17px;
            }

            .data-stat-card {
                padding: 16px 14px;
            }

            .data-stat-card .stat-value {
                font-size: 23px;
            }

            .data-stat-card .stat-label {
                font-size: 12px;
            }

            .subscribe-cta {
                padding: 24px 18px;
                border-radius: 6px;
            }

            .subscribe-cta h2 {
                font-size: 18px;
            }

            .subscribe-cta p {
                font-size: 13px;
            }

            .site-footer {
                padding: 36px 0 16px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                font-size: 12px;
            }
        }

        @media (max-width: 575.98px) {
            .page-h1 {
                font-size: 20px;
            }

            .breadcrumb-section {
                padding: 20px 0 16px;
            }

            .section-pad {
                padding: 28px 0;
            }

            .section-pad-sm {
                padding: 22px 0;
            }

            .rank-table-section .table-title {
                font-size: 16px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }

            .featured-data-card .fdc-img {
                height: 130px;
            }

            .ext-article-link {
                padding: 12px 14px;
            }

            .ext-article-link .ext-title {
                font-size: 13px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}