/* roulang page: index */
:root {
            --primary: #0F3D2E;
            --primary-light: #2E8B5A;
            --accent: #D4A940;
            --bg: #F6F3EC;
            --bg-white: #FFFFFF;
            --bg-soft: #F0EBE2;
            --text: #1C1E21;
            --text-light: #4A4F55;
            --text-muted: #7A8086;
            --border: rgba(15, 61, 46, 0.08);
            --border-strong: rgba(15, 61, 46, 0.18);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 61, 46, 0.14);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --nav-width: 252px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 0.8em;
        }

        h1 { font-size: clamp(28px, 4.5vw, 46px); }
        h2 { font-size: clamp(24px, 3.2vw, 32px); }
        h3 { font-size: clamp(19px, 2.4vw, 24px); }
        h4 { font-size: 18px; }

        p {
            margin-bottom: 1.2em;
            color: var(--text-light);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 18px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            padding: 0 8px 22px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 18px;
        }
        .sidebar-brand a {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-brand a span {
            color: var(--accent);
        }

        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }
        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-nav-menu a:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
        }
        .sidebar-nav-menu a:hover i {
            color: var(--primary);
        }
        .sidebar-nav-menu a.active {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
            font-weight: 700;
        }
        .sidebar-nav-menu a.active i {
            color: var(--accent);
        }

        .sidebar-footer {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            font-size: 13px;
        }
        .sidebar-footer a {
            display: block;
            padding: 6px 8px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .sidebar-footer a:hover {
            color: var(--primary);
        }

        /* ========== 主内容区域 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-topbar {
            display: none;
            background: var(--primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .mobile-topbar .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .brand-text span {
            color: var(--accent);
        }
        .mobile-toggle {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.4);
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 36px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255,255,255,0.12);
            border-color: rgba(255,255,255,0.6);
        }

        .mobile-menu-panel {
            display: none;
            background: var(--bg-white);
            border-bottom: 2px solid var(--accent);
            padding: 12px 16px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 6px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--bg-soft);
            color: var(--primary);
        }
        .mobile-menu-panel a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/5037bbfccb3ab9eb.webp') center/cover no-repeat;
            padding: 96px 0 72px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 61, 46, 0.92) 0%, rgba(15, 61, 46, 0.78) 45%, rgba(15, 61, 46, 0.55) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--text);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.8px;
        }
        .hero-content h1 {
            color: #fff;
            font-size: clamp(32px, 5.5vw, 52px);
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(255,255,255,0.88);
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: 32px;
        }
        .hero-metrics {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-metric {
            color: #fff;
        }
        .hero-metric .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
        }
        .hero-metric .label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== 按钮 ========== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.4px;
        }
        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }
        .btn-custom-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-custom-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.6);
        }
        .btn-custom-outline:hover {
            background: rgba(255,255,255,0.12);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-custom-dark {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }
        .btn-custom-dark:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-custom-outline-dark {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-custom-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Sections ========== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-soft {
            background: var(--bg-soft);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-dark p {
            color: rgba(255,255,255,0.75);
        }
        .section-label {
            display: inline-block;
            background: rgba(212, 169, 64, 0.15);
            color: #B85C00;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .section-title {
            margin-bottom: 16px;
        }
        .section-desc {
            max-width: 740px;
            color: var(--text-light);
            margin-bottom: 40px;
            line-height: 1.9;
        }

        /* ========== 卡片 ========== */
        .card-sport {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-sport:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .card-sport .card-img-wrap {
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-soft);
        }
        .card-sport .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-sport:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-sport .card-body {
            padding: 20px 22px 24px;
        }
        .card-sport .card-title {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .card-sport .card-text {
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .card-sport .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== 徽章 ========== */
        .badge-sport {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: #FFF3E0;
            color: #B85C00;
            letter-spacing: 0.3px;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border-strong);
            color: var(--text-light);
        }
        .badge-accent {
            background: var(--accent);
            color: var(--text);
        }

        /* ========== 数据速览 ========== */
        .data-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .stat-card .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ========== 流程 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 22px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
        }
        .step-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 12px;
            opacity: 0.7;
        }
        .step-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-desc {
            font-size: 14.5px;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ========== 时刻墙 ========== */
        .moments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .moment-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .moment-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .moment-card .card-img-wrap {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .moment-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .moment-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .moment-card .moment-body {
            padding: 18px 20px 22px;
        }
        .moment-card .moment-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .moment-card .moment-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        /* ========== 资讯列表 ========== */
        .news-list-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-list-item:hover {
            background: var(--bg-soft);
            padding-left: 8px;
            border-radius: 8px;
        }
        .news-list-item .news-thumb {
            width: 90px;
            height: 66px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-soft);
        }
        .news-list-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list-item .news-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .news-list-item .news-info .meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== 深度观察大卡 ========== */
        .featured-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-card .fc-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .featured-card .fc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-card:hover .fc-img img {
            transform: scale(1.04);
        }
        .featured-card .fc-body {
            padding: 24px 26px 28px;
        }
        .featured-card .fc-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .featured-card .fc-desc {
            font-size: 14.5px;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ========== 合作伙伴 Logo 墙 ========== */
        .partner-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .partner-item {
            width: 120px;
            height: 56px;
            border-radius: 8px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.8px;
            transition: var(--transition);
            cursor: default;
            filter: grayscale(0.9);
        }
        .partner-item:hover {
            filter: grayscale(0);
            border-color: var(--accent);
            color: var(--primary);
            background: var(--bg-white);
        }

        /* ========== 数据表格 ========== */
        .table-sport {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            width: 100%;
            border-collapse: collapse;
        }
        .table-sport thead {
            background: var(--primary);
            color: #fff;
        }
        .table-sport thead th {
            padding: 14px 18px;
            font-size: 14px;
            font-weight: 600;
            text-align: left;
            border-bottom: 2px solid var(--accent);
        }
        .table-sport tbody td {
            padding: 13px 18px;
            font-size: 14.5px;
            border-bottom: 1px solid var(--border);
            color: var(--text-light);
        }
        .table-sport tbody tr:last-child td {
            border-bottom: none;
        }
        .table-sport tbody tr:hover {
            background: var(--bg-soft);
        }
        .trend-up { color: var(--primary-light); font-weight: 600; }
        .trend-down { color: #C44A3A; font-weight: 600; }

        /* ========== 社区热议横向滚动 ========== */
        .community-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }
        .community-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .community-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .community-scroll::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 3px;
        }
        .community-card {
            min-width: 260px;
            flex: 0 0 260px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 18px 20px;
            scroll-snap-align: start;
            transition: var(--transition);
        }
        .community-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .community-card .user-info {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .community-card .user-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary);
            font-weight: 700;
        }
        .community-card .topic-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }
        .community-card .topic-count {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 赛事日历 ========== */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 10px;
        }
        .calendar-day {
            background: var(--bg-white);
            border-radius: 10px;
            border: 1px solid var(--border);
            padding: 14px 12px;
            text-align: center;
            transition: var(--transition);
            min-height: 120px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
        }
        .calendar-day:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }
        .calendar-day .day-name {
            font-size: 13px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .calendar-day .day-match {
            font-size: 11px;
            color: var(--text-light);
            background: var(--bg-soft);
            border-radius: 6px;
            padding: 3px 8px;
            margin-top: 4px;
            width: 100%;
            line-height: 1.4;
        }
        .calendar-day .day-match.hot {
            background: rgba(212, 169, 64, 0.2);
            color: #8A6400;
        }

        /* ========== FAQ ========== */
        .accordion-sport .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .accordion-sport .accordion-button {
            background: var(--bg-white);
            color: var(--text);
            font-weight: 600;
            font-size: 15.5px;
            padding: 16px 20px;
            border-radius: var(--radius-sm) !important;
            box-shadow: none;
            transition: var(--transition);
        }
        .accordion-sport .accordion-button:not(.collapsed) {
            background: var(--bg-soft);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-sport .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 169, 64, 0.3);
        }
        .accordion-sport .accordion-button::after {
            filter: brightness(0) saturate(100%) invert(20%);
        }
        .accordion-sport .accordion-body {
            background: var(--bg-white);
            padding: 16px 20px 20px;
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.85;
        }

        /* ========== 保障条 ========== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .trust-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: rgba(255,255,255,0.08);
            border-radius: 10px;
            padding: 20px 18px;
        }
        .trust-item i {
            font-size: 26px;
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .trust-item .trust-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .trust-item .trust-desc {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== CTA 订阅 ========== */
        .cta-section {
            padding: 72px 0;
            background: var(--primary);
        }
        .cta-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255,255,255,0.75);
            margin-bottom: 0;
            max-width: 480px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .cta-form input[type="email"] {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 15px;
            min-width: 280px;
            transition: var(--transition);
        }
        .cta-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .cta-form input[type="email"]:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(212, 169, 64, 0.25);
        }
        .cta-form .btn-custom-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--text);
            font-weight: 700;
        }
        .cta-form .btn-custom-primary:hover {
            background: #e0b84d;
            border-color: #e0b84d;
            color: var(--text);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1C1E21;
            color: #E6E1D7;
            padding: 40px 0 28px;
        }
        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
            align-items: flex-start;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            margin-bottom: 20px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand span {
            color: var(--accent);
        }
        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 13px;
        }
        .footer-links a {
            color: #E6E1D7;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            text-align: center;
            font-size: 13px;
            color: #8A8D92;
            line-height: 1.8;
        }
        .footer-bottom .icp {
            margin: 4px 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .hero-section {
                padding: 64px 0 48px;
            }
            .data-stats-grid,
            .steps-grid,
            .moments-grid,
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .section {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .data-stats-grid,
            .steps-grid,
            .moments-grid,
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-section {
                padding: 48px 0 40px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-metrics {
                gap: 16px;
            }
            .hero-metric .num {
                font-size: 22px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-custom {
                justify-content: center;
                width: 100%;
            }
            .section {
                padding: 48px 0;
            }
            .cta-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-form input[type="email"] {
                min-width: 100%;
                width: 100%;
            }
            .news-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .card-sport .card-body {
                padding: 16px 18px 20px;
            }
            h1 { font-size: 28px; }
            h2 { font-size: 22px; }
            h3 { font-size: 19px; }
        }

        @media (max-width: 520px) {
            .calendar-grid {
                grid-template-columns: 1fr;
            }
            .hero-badge {
                font-size: 12px;
                padding: 5px 12px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .partner-item {
                width: 90px;
                height: 46px;
                font-size: 11px;
            }
            .community-card {
                min-width: 220px;
                flex: 0 0 220px;
            }
            .stat-card .stat-num {
                font-size: 32px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F3D2E;
            --primary-light: #2E8B5A;
            --accent: #D4A940;
            --bg: #F6F3EC;
            --bg-white: #FFFFFF;
            --bg-soft: #F0EBE2;
            --text: #1C1E21;
            --text-light: #4A4F55;
            --text-muted: #7A8086;
            --border: rgba(15, 61, 46, 0.08);
            --border-strong: rgba(15, 61, 46, 0.18);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 61, 46, 0.14);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --nav-width: 252px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 18px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            padding: 0 8px 22px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 18px;
        }
        .sidebar-brand a {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-brand a span {
            color: var(--accent);
        }
        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }
        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-nav-menu a:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
        }
        .sidebar-nav-menu a:hover i {
            color: var(--primary);
        }
        .sidebar-nav-menu a.active {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
            font-weight: 700;
        }
        .sidebar-nav-menu a.active i {
            color: var(--accent);
        }
        .sidebar-footer {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            font-size: 13px;
        }
        .sidebar-footer a {
            display: block;
            padding: 6px 8px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .sidebar-footer a:hover {
            color: var(--primary);
        }
        /* ========== 主内容区域 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }
        /* ========== 移动端顶部导航 ========== */
        .mobile-topbar {
            display: none;
            background: var(--primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .mobile-topbar .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .brand-text span {
            color: var(--accent);
        }
        .mobile-toggle {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 36px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
        }
        .mobile-menu-panel {
            display: none;
            background: var(--bg-white);
            border-bottom: 2px solid var(--accent);
            padding: 12px 16px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 6px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--bg-soft);
            color: var(--primary);
        }
        .mobile-menu-panel a i {
            width: 20px;
            text-align: center;
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .breadcrumb-custom {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li + li::before {
            content: "/";
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* ========== Section 通用 ========== */
        .section-block {
            padding: 64px 0;
            position: relative;
        }
        .section-block.bg-soft {
            background: var(--bg-soft);
        }
        .section-block.bg-white {
            background: var(--bg-white);
        }
        .section-block.bg-dark {
            background: var(--text);
            color: #E6E1D7;
        }
        .section-block.bg-dark h2,
        .section-block.bg-dark h3 {
            color: #FFFFFF;
        }
        .section-block.bg-dark .text-muted-custom {
            color: #A8A8A8;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .accent-line {
            display: inline-block;
            width: 42px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 16px;
        }
        .text-muted-custom {
            color: var(--text-muted);
        }
        /* ========== 分类 H1 区块 ========== */
        .category-header {
            background: linear-gradient(135deg, var(--primary) 0%, #0A2A20 100%);
            color: #fff;
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .category-header::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(212, 169, 64, 0.08);
            pointer-events: none;
        }
        .category-header h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 1;
        }
        .category-header .category-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            line-height: 1.9;
            position: relative;
            z-index: 1;
        }
        .category-header .badge-category {
            display: inline-block;
            background: var(--accent);
            color: var(--text);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        /* ========== 统计卡 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 24px 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-value .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
            margin-left: 2px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        /* ========== 表格榜单 ========== */
        .rank-table-wrapper {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .rank-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
        }
        .rank-table thead {
            background: var(--primary);
            color: #fff;
        }
        .rank-table thead th {
            padding: 14px 16px;
            font-size: 14px;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .rank-table tbody tr {
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .rank-table tbody tr:last-child {
            border-bottom: none;
        }
        .rank-table tbody tr:hover {
            background: var(--bg-soft);
        }
        .rank-table tbody td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--text-light);
            vertical-align: middle;
        }
        .rank-table tbody td:first-child {
            font-weight: 600;
            color: var(--text);
        }
        .rank-table .trend-up {
            color: var(--primary-light);
            font-weight: 600;
        }
        .rank-table .trend-down {
            color: #B85C00;
            font-weight: 600;
        }
        .rank-table .heat-bar {
            display: inline-block;
            height: 6px;
            border-radius: 3px;
            background: var(--accent);
            vertical-align: middle;
        }
        /* ========== 卡片列表 ========== */
        .report-card-horizontal {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 16px;
            transition: var(--transition);
            margin-bottom: 20px;
        }
        .report-card-horizontal:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .report-card-horizontal .report-img {
            flex: 0 0 200px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .report-card-horizontal .report-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .report-card-horizontal:hover .report-img img {
            transform: scale(1.05);
        }
        .report-card-horizontal .report-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .report-card-horizontal .report-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .report-card-horizontal .report-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .report-card-horizontal .report-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .report-card-horizontal .report-date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .badge-pill {
            display: inline-block;
            background: #FFF3E0;
            color: #B85C00;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }
        .badge-pill.badge-green {
            background: #E6F4EA;
            color: var(--primary-light);
        }
        .badge-pill.badge-gold {
            background: #FFF8E8;
            color: #8B6D1F;
        }
        /* ========== 进度条趋势 ========== */
        .metric-bar-item {
            margin-bottom: 20px;
        }
        .metric-bar-item .metric-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .metric-bar-item .metric-label .metric-value {
            color: var(--primary);
            font-weight: 700;
        }
        .metric-bar-item .progress-custom {
            height: 8px;
            background: var(--bg-soft);
            border-radius: 4px;
            overflow: hidden;
        }
        .metric-bar-item .progress-custom .progress-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            transition: width 1s ease;
        }
        .metric-bar-item .progress-custom .progress-fill.gold-fill {
            background: linear-gradient(90deg, #C9972E, var(--accent));
        }
        /* ========== 标签墙 ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-pill {
            display: inline-block;
            background: var(--bg-white);
            color: var(--text-light);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid var(--border-strong);
            transition: var(--transition);
            cursor: pointer;
        }
        .tag-cloud .tag-pill:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        /* ========== 专题推荐 ========== */
        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .topic-card .topic-img {
            height: 160px;
            overflow: hidden;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }
        .topic-card .topic-body {
            padding: 18px 20px;
        }
        .topic-card .topic-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .topic-card .topic-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* ========== 订阅区 ========== */
        .subscribe-section {
            background: linear-gradient(135deg, var(--primary) 0%, #0A2A20 100%);
            border-radius: var(--radius);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-section .subscribe-text {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-section .subscribe-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .subscribe-section .subscribe-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex: 1;
            min-width: 260px;
            max-width: 420px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
        }
        .btn-primary-custom {
            background: var(--accent);
            color: var(--text);
            border: none;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: #C9972E;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(212, 169, 64, 0.35);
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: #1C1E21;
            padding: 40px 0 20px;
            color: #E6E1D7;
        }
        .site-footer .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 20px;
        }
        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-brand i {
            color: var(--accent);
        }
        .site-footer .footer-brand span {
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            margin-left: 4px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .site-footer .footer-links a {
            color: #A8A8A8;
            font-size: 13px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: #8A8D92;
            justify-content: space-between;
            align-items: center;
        }
        .site-footer .footer-bottom a {
            color: #8A8D92;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            :root {
                --nav-width: 0px;
            }
            .sidebar-nav {
                transform: translateX(-100%);
            }
            .sidebar-nav.open {
                transform: translateX(0);
                width: 252px;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .mobile-menu-panel {
                display: none;
            }
            .mobile-menu-panel.open {
                display: block;
            }
            .category-header h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .stat-card .stat-value {
                font-size: 28px;
            }
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .report-card-horizontal {
                flex-direction: column;
            }
            .report-card-horizontal .report-img {
                flex: 0 0 auto;
                height: 160px;
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 44px 0;
            }
            .category-header {
                padding: 36px 0 32px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .subscribe-section {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
            .subscribe-form {
                flex-direction: column;
                max-width: 100%;
            }
            .rank-table-wrapper {
                overflow-x: auto;
            }
            .rank-table {
                min-width: 560px;
            }
            .site-footer .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .report-card-horizontal .report-img {
                height: 140px;
            }
        }
        @media (max-width: 520px) {
            .category-header h1 {
                font-size: 22px;
            }
            .category-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .report-card-horizontal {
                padding: 12px;
            }
            .report-card-horizontal .report-title {
                font-size: 15px;
            }
            .stat-card {
                padding: 16px 14px;
            }
            .stat-card .stat-value {
                font-size: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F3D2E;
            --primary-light: #2E8B5A;
            --accent: #D4A940;
            --bg: #F6F3EC;
            --bg-white: #FFFFFF;
            --bg-soft: #F0EBE2;
            --text: #1C1E21;
            --text-light: #4A4F55;
            --text-muted: #7A8086;
            --border: rgba(15, 61, 46, 0.08);
            --border-strong: rgba(15, 61, 46, 0.18);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 61, 46, 0.14);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --nav-width: 252px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 18px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            padding: 0 8px 22px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .sidebar-brand a {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-brand a span {
            color: var(--accent);
        }
        .sidebar-brand a i {
            color: var(--accent);
            font-size: 18px;
        }
        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }
        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .sidebar-nav-menu a:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
        }
        .sidebar-nav-menu a:hover i {
            color: var(--primary);
        }
        .sidebar-nav-menu a.active {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
            font-weight: 700;
        }
        .sidebar-nav-menu a.active i {
            color: var(--accent);
        }
        .sidebar-footer {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .sidebar-footer a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 8px;
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition);
            border-radius: 6px;
        }
        .sidebar-footer a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .sidebar-footer a i {
            width: 16px;
            text-align: center;
        }
        /* ========== 主内容区域 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        /* ========== 移动端顶部导航 ========== */
        .mobile-topbar {
            display: none;
            background: var(--primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1050;
            gap: 12px;
        }
        .mobile-topbar .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mobile-topbar .brand-text i {
            color: var(--accent);
            font-size: 16px;
        }
        .mobile-topbar .brand-text span {
            color: var(--accent);
        }
        .mobile-toggle {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 36px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
        }
        .mobile-menu-panel {
            display: none;
            background: var(--bg-white);
            border-bottom: 2px solid var(--accent);
            padding: 12px 16px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 6px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--bg-soft);
            color: var(--primary);
        }
        .mobile-menu-panel a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
        }
        .mobile-menu-panel a.active i {
            color: var(--accent);
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            font-size: 14px;
        }
        .breadcrumb-bar .container-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-muted);
            font-size: 14px;
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-bar .current {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }
        /* ========== 分类H1区块 ========== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary) 0%, #1a5c46 50%, var(--primary-light) 100%);
            padding: 56px 0 64px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(212, 169, 64, 0.14);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 1;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(212, 169, 64, 0.22);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
            border: 1px solid rgba(212, 169, 64, 0.35);
        }
        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
            color: #fff;
        }
        .category-hero h1 .highlight {
            color: var(--accent);
        }
        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.86);
            max-width: 680px;
            margin: 0;
        }
        /* ========== 分类介绍板块 ========== */
        .category-intro-section {
            padding: 56px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }
        .category-intro-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 18px;
            letter-spacing: 0.3px;
        }
        .category-intro-section .intro-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-light);
            max-width: 820px;
        }
        .category-intro-section .intro-text strong {
            color: var(--primary);
            font-weight: 600;
        }
        /* ========== 列表/卡片主体 ========== */
        .article-list-section {
            padding: 56px 0;
            background: var(--bg);
        }
        .article-list-section .section-heading {
            margin-bottom: 28px;
        }
        .article-list-section .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
            letter-spacing: 0.3px;
        }
        .article-list-section .section-heading p {
            color: var(--text-muted);
            font-size: 15px;
            margin: 0;
        }
        .article-card-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .article-card {
            display: flex;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            gap: 0;
        }
        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border-strong);
        }
        .article-card-img {
            flex: 0 0 280px;
            min-height: 180px;
            overflow: hidden;
            position: relative;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.04);
        }
        .article-card-img .img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 61, 46, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }
        .article-card-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.5;
            letter-spacing: 0.2px;
        }
        .article-card-body h3 a {
            color: var(--text);
        }
        .article-card-body h3 a:hover {
            color: var(--primary);
        }
        .article-card-body .article-summary {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-body .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-card-body .article-meta .date {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card-body .article-meta .date i {
            font-size: 12px;
        }
        .article-card-body .article-meta .tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-card-body .article-meta .tag-pill {
            background: #FFF3E0;
            color: #B85C00;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.2px;
        }
        /* ========== 热门话题/标签墙 ========== */
        .topic-tags-section {
            padding: 48px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .topic-tags-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 20px;
            letter-spacing: 0.3px;
        }
        .topic-tags-section .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .topic-tags-section .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: default;
        }
        .topic-tags-section .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .topic-tags-section .topic-tag i {
            font-size: 12px;
            color: var(--accent);
        }
        .topic-tags-section .topic-tag:hover i {
            color: #fff;
        }
        /* ========== 数据快照 ========== */
        .stats-snapshot-section {
            padding: 48px 0;
            background: var(--bg);
        }
        .stats-snapshot-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 20px;
            letter-spacing: 0.3px;
        }
        .stats-mini-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .stats-mini-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 22px 24px;
            text-align: center;
            transition: var(--transition);
        }
        .stats-mini-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .stats-mini-card .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .stats-mini-card .stat-number .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-muted);
            margin-left: 2px;
        }
        .stats-mini-card .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }
        .stats-mini-card .stat-icon {
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 10px;
        }
        /* ========== 相关专题/推荐 ========== */
        .related-features-section {
            padding: 56px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .related-features-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 22px;
            letter-spacing: 0.3px;
        }
        .feature-big-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .feature-big-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .feature-big-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .feature-big-card .feature-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .feature-big-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .feature-big-card:hover .feature-img img {
            transform: scale(1.05);
        }
        .feature-big-card .feature-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-big-card .feature-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .feature-big-card .feature-body h3 a {
            color: var(--text);
        }
        .feature-big-card .feature-body h3 a:hover {
            color: var(--primary);
        }
        .feature-big-card .feature-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            margin: 0 0 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .feature-big-card .feature-body .feature-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(212, 169, 64, 0.12);
            padding: 4px 12px;
            border-radius: 999px;
            display: inline-block;
            align-self: flex-start;
        }
        /* ========== 订阅区 ========== */
        .subscribe-section {
            padding: 56px 0;
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: 10%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(212, 169, 64, 0.1);
            pointer-events: none;
        }
        .subscribe-section .container-custom {
            position: relative;
            z-index: 1;
        }
        .subscribe-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 8px;
            letter-spacing: 0.3px;
            color: #fff;
        }
        .subscribe-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 20px;
            max-width: 520px;
        }
        .subscribe-section .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 480px;
        }
        .subscribe-section .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
            font-family: var(--font-sans);
        }
        .subscribe-section .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .subscribe-section .subscribe-form input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
        }
        .subscribe-section .subscribe-form button {
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            background: var(--accent);
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-family: var(--font-sans);
            white-space: nowrap;
        }
        .subscribe-section .subscribe-form button:hover {
            background: #e0b84e;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: #1C1E21;
            color: #E6E1D7;
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .site-footer .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 28px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
        }
        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-brand i {
            color: #D4A940;
            font-size: 18px;
        }
        .site-footer .footer-brand span {
            color: #D4A940;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 1px;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            color: rgba(230, 225, 215, 0.85);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: #D4A940;
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: rgba(230, 225, 215, 0.7);
        }
        .site-footer .footer-bottom a {
            color: #8A8D92;
            font-size: 13px;
            transition: var(--transition);
        }
        .site-footer .footer-bottom a:hover {
            color: #D4A940;
        }
        .site-footer .footer-bottom .icp {
            color: rgba(230, 225, 215, 0.6);
            font-size: 13px;
        }
        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero {
                padding: 40px 0 44px;
            }
            .article-card-img {
                flex: 0 0 220px;
                min-height: 160px;
            }
            .article-card-body {
                padding: 16px 18px;
            }
            .article-card-body h3 {
                font-size: 17px;
            }
            .feature-big-cards {
                grid-template-columns: 1fr;
            }
            .stats-mini-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-mini-card .stat-number {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .category-intro-section,
            .article-list-section,
            .topic-tags-section,
            .stats-snapshot-section,
            .related-features-section,
            .subscribe-section {
                padding: 40px 0;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card-img {
                flex: 0 0 auto;
                min-height: 180px;
                aspect-ratio: 16 / 9;
            }
            .article-card-body {
                padding: 16px;
            }
            .article-card-body h3 {
                font-size: 16px;
            }
            .stats-mini-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-mini-card {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 16px 18px;
            }
            .stats-mini-card .stat-icon {
                margin-bottom: 0;
                font-size: 20px;
            }
            .stats-mini-card .stat-number {
                font-size: 24px;
            }
            .subscribe-section .subscribe-form {
                flex-direction: column;
            }
            .subscribe-section .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-section .subscribe-form button {
                width: 100%;
            }
            .site-footer .footer-top {
                flex-direction: column;
                gap: 18px;
            }
            .site-footer .footer-links {
                gap: 14px;
            }
            .topic-tags-section .topic-tag {
                font-size: 13px;
                padding: 6px 14px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
                line-height: 1.4;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .category-hero {
                padding: 32px 0 36px;
            }
            .article-card-body h3 {
                font-size: 15px;
            }
            .article-card-body .article-summary {
                font-size: 14px;
                -webkit-line-clamp: 3;
            }
            .article-card-body .article-meta {
                gap: 8px;
                font-size: 12px;
            }
            .stats-mini-card {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .stats-mini-card .stat-icon {
                font-size: 18px;
                margin-bottom: 4px;
            }
            .feature-big-card {
                border-radius: 10px;
            }
            .feature-big-card .feature-body {
                padding: 14px 16px;
            }
            .feature-big-card .feature-body h3 {
                font-size: 16px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #0F3D2E;
  --primary-light: #2E8B5A;
  --accent: #D4A940;
  --bg: #F6F3EC;
  --bg-white: #FFFFFF;
  --bg-soft: #F0EBE2;
  --text: #1C1E21;
  --text-light: #4A4F55;
  --text-muted: #7A8086;
  --border: rgba(15, 61, 46, 0.08);
  --border-strong: rgba(15, 61, 46, 0.18);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(15, 61, 46, 0.14);
  --transition: all 0.25s ease;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --nav-width: 252px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-top: 0;
}

h1 {
  font-size: 40px;
  margin-bottom: 16px;
}

h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

p {
  margin-top: 0;
  margin-bottom: 1.2em;
}

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 左侧竖向导航 ========== */
.sidebar-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width);
  height: 100vh;
  background: var(--bg-white);
  border-right: 1px solid var(--border);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 28px 18px 20px;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 0 8px 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.sidebar-brand a {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-brand a span {
  color: var(--accent);
}

.sidebar-brand a:hover {
  color: var(--primary);
}

.sidebar-nav-menu {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  flex: 1;
}

.sidebar-nav-menu li {
  margin-bottom: 4px;
}

.sidebar-nav-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-nav-menu a i {
  width: 20px;
  text-align: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.sidebar-nav-menu a:hover {
  background: var(--bg-soft);
  color: var(--primary);
  border-left-color: var(--accent);
}

.sidebar-nav-menu a:hover i {
  color: var(--primary);
}

.sidebar-nav-menu a.active {
  background: var(--bg-soft);
  color: var(--primary);
  border-left-color: var(--accent);
  font-weight: 700;
}

.sidebar-nav-menu a.active i {
  color: var(--accent);
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  font-size: 13px;
}

.sidebar-footer a {
  display: block;
  padding: 6px 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.sidebar-footer a:hover {
  color: var(--primary);
}

/* ========== 主内容区域 ========== */
.main-wrapper {
  margin-left: var(--nav-width);
  min-height: 100vh;
}

/* ========== 移动端顶部导航 ========== */
.mobile-topbar {
  display: none;
  background: var(--primary);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1050;
}

.mobile-topbar .brand-text {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.mobile-topbar .brand-text span {
  color: var(--accent);
}

.mobile-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  font-size: 20px;
  width: 40px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-toggle:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.6);
}

.mobile-menu-panel {
  display: none;
  background: var(--bg-white);
  border-bottom: 2px solid var(--accent);
  padding: 12px 16px;
}

.mobile-menu-panel.open {
  display: block;
}

.mobile-menu-panel a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.mobile-menu-panel a:hover,
.mobile-menu-panel a.active {
  background: var(--bg-soft);
  color: var(--primary);
}

.mobile-menu-panel a i {
  width: 20px;
  text-align: center;
}

/* ========== 分类页 H1 区块 ========== */
.category-hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  background: var(--primary);
  overflow: hidden;
}

.category-hero .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  z-index: 1;
}

.category-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 61, 46, 0.82) 0%, rgba(15, 61, 46, 0.55) 100%);
  z-index: 2;
}

.category-hero .hero-content {
  position: relative;
  z-index: 3;
  color: #fff;
  padding: 80px 0 72px;
}

.category-hero h1 {
  color: #fff;
  font-size: 42px;
  margin-bottom: 12px;
}

.category-hero .hero-desc {
  color: rgba(255,255,255,0.88);
  font-size: 17px;
  max-width: 680px;
  margin-bottom: 0;
}

.breadcrumb-custom {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 14px;
}

.breadcrumb-custom a {
  color: rgba(255,255,255,0.7);
}

.breadcrumb-custom a:hover {
  color: var(--accent);
}

.breadcrumb-custom i {
  margin: 0 6px;
  font-size: 10px;
  opacity: 0.6;
}

/* ========== section 通用样式 ========== */
.section-block {
  padding: 72px 0;
}

.section-block.bg-white {
  background: var(--bg-white);
}

.section-block.bg-soft {
  background: var(--bg-soft);
}

.section-block.bg-dark {
  background: var(--primary);
  color: #fff;
}

.section-block.bg-dark h2,
.section-block.bg-dark h3 {
  color: #fff;
}

.section-title {
  margin-bottom: 32px;
}

.section-title h2 {
  font-size: 28px;
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.section-title h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 28px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-light);
  margin-bottom: 0;
  padding-left: 16px;
}

/* ========== 分类介绍 ========== */
.category-intro-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.category-intro-card p {
  margin-bottom: 0;
  color: var(--text-light);
  font-size: 16px;
  line-height: 2;
}

/* ========== 数据快照 ========== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.stat-number {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
}

/* ========== 文章列表卡片 ========== */
.article-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.article-row-card {
  display: flex;
  gap: 20px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.article-row-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.article-row-card .article-img {
  flex-shrink: 0;
  width: 240px;
  height: 160px;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

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

.article-row-card:hover .article-img img {
  transform: scale(1.05);
}

.article-row-card .article-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.article-row-card .article-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.article-row-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
  line-height: 1.5;
}

.article-row-card h3 a {
  color: var(--text);
}

.article-row-card h3 a:hover {
  color: var(--primary);
}

.article-row-card .article-summary {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 10px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  flex: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
}

.article-meta i {
  margin-right: 4px;
  color: var(--accent);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  background: #FFF3E0;
  color: #B85C00;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-pill.green {
  background: #E3F3EA;
  color: #0F3D2E;
}

.badge-pill.gold {
  background: #FDF6E3;
  color: #8B6914;
}

/* ========== 热门话题标签 ========== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-pill {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.tag-pill:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.tag-pill.hot {
  background: #FFF3E0;
  border-color: rgba(184, 92, 0, 0.25);
  color: #B85C00;
}

.tag-pill.hot:hover {
  background: #B85C00;
  color: #fff;
  border-color: #B85C00;
}

/* ========== 推荐专题 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.feature-card .feature-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

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

.feature-card:hover .feature-img img {
  transform: scale(1.05);
}

.feature-card .feature-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card h3 a {
  color: var(--text);
}

.feature-card h3 a:hover {
  color: var(--primary);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 14px;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

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

.feature-card .feature-link:hover {
  color: var(--primary-light);
  gap: 10px;
}

/* ========== 订阅区块 ========== */
.subscribe-block {
  background: linear-gradient(135deg, var(--primary) 0%, #1B5C46 100%);
  border-radius: var(--radius);
  padding: 44px 40px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.subscribe-block .subscribe-text {
  flex: 1;
  min-width: 260px;
}

.subscribe-block h2 {
  color: #fff;
  font-size: 24px;
  margin-bottom: 6px;
}

.subscribe-block p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 0;
  font-size: 15px;
}

.subscribe-form {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  min-width: 280px;
}

.subscribe-form input[type="email"] {
  flex: 1;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 14px;
  transition: var(--transition);
  min-width: 0;
}

.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);
  background: rgba(255,255,255,0.15);
  box-shadow: 0 0 0 3px rgba(212, 169, 64, 0.25);
}

.btn-primary-custom {
  background: var(--accent);
  color: var(--text);
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary-custom:hover {
  background: #C09A32;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #1C1E21;
  color: #E6E1D7;
  padding: 48px 0 28px;
  font-size: 14px;
}

.site-footer .footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 20px;
}

.site-footer .footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-footer .footer-brand i {
  color: var(--accent);
}

.site-footer .footer-brand span {
  color: var(--accent);
}

.site-footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer .footer-links a {
  color: #A8ADB5;
  font-size: 14px;
  transition: var(--transition);
}

.site-footer .footer-links a:hover {
  color: var(--accent);
}

.site-footer .footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #8A8D92;
  align-items: center;
}

.site-footer .footer-bottom a {
  color: #8A8D92;
}

.site-footer .footer-bottom a:hover {
  color: var(--accent);
}

/* ========== 按钮 ========== */
.btn-outline-green {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  transition: var(--transition);
}

.btn-outline-green:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
  .sidebar-nav {
    display: none;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-topbar {
    display: flex;
  }
  .category-hero {
    min-height: 300px;
  }
  .category-hero h1 {
    font-size: 32px;
  }
  .category-hero .hero-desc {
    font-size: 15px;
  }
  .section-block {
    padding: 48px 0;
  }
  .stats-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .stat-number {
    font-size: 28px;
  }
  .article-row-card .article-img {
    width: 200px;
    height: 140px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767.98px) {
  h1 {
    font-size: 28px;
  }
  h2 {
    font-size: 22px;
  }
  .category-hero {
    min-height: 260px;
  }
  .category-hero h1 {
    font-size: 26px;
  }
  .category-hero .hero-content {
    padding: 48px 0 40px;
  }
  .section-block {
    padding: 40px 0;
  }
  .stats-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stat-card {
    padding: 20px 16px;
  }
  .stat-number {
    font-size: 26px;
  }
  .article-row-card {
    flex-direction: column;
    padding: 16px;
    gap: 14px;
  }
  .article-row-card .article-img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/7;
  }
  .article-row-card h3 {
    font-size: 16px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .subscribe-block {
    flex-direction: column;
    padding: 28px 20px;
    gap: 20px;
    align-items: stretch;
  }
  .subscribe-form {
    flex-direction: column;
    min-width: auto;
  }
  .subscribe-form input[type="email"] {
    width: 100%;
  }
  .btn-primary-custom {
    width: 100%;
  }
  .container-custom {
    padding: 0 16px;
  }
  .category-intro-card {
    padding: 22px 18px;
  }
  .site-footer .footer-top {
    flex-direction: column;
  }
  .site-footer .footer-bottom {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
}

@media (max-width: 519.98px) {
  .category-hero h1 {
    font-size: 24px;
  }
  .category-hero .hero-desc {
    font-size: 14px;
  }
  .section-title h2 {
    font-size: 20px;
  }
  .tag-pill {
    padding: 6px 14px;
    font-size: 13px;
  }
  .feature-card h3 {
    font-size: 16px;
  }
  .article-row-card h3 {
    font-size: 15px;
  }
  .article-row-card .article-summary {
    font-size: 13px;
  }
}

/* roulang page: category4 */
:root {
            --primary: #0F3D2E;
            --primary-light: #2E8B5A;
            --accent: #D4A940;
            --bg: #F6F3EC;
            --bg-white: #FFFFFF;
            --bg-soft: #F0EBE2;
            --bg-deep: #0A2A1E;
            --text: #1C1E21;
            --text-light: #4A4F55;
            --text-muted: #7A8086;
            --border: rgba(15, 61, 46, 0.08);
            --border-strong: rgba(15, 61, 46, 0.18);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 61, 46, 0.14);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --nav-width: 252px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-top: 0;
        }
        h1 {
            font-size: clamp(28px, 4vw, 44px);
            letter-spacing: 0.5px;
        }
        h2 {
            font-size: clamp(22px, 2.8vw, 30px);
            margin-bottom: 0.5em;
        }
        h3 {
            font-size: clamp(18px, 2vw, 22px);
        }
        p {
            margin: 0 0 1.2em;
            color: var(--text-light);
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 18px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            padding: 0 8px 22px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 18px;
        }
        .sidebar-brand a {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-brand a span {
            color: var(--accent);
        }
        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }
        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-nav-menu a:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
        }
        .sidebar-nav-menu a:hover i {
            color: var(--primary);
        }
        .sidebar-nav-menu a.active {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
            font-weight: 700;
        }
        .sidebar-nav-menu a.active i {
            color: var(--accent);
        }
        .sidebar-footer {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            font-size: 13px;
        }
        .sidebar-footer a {
            display: block;
            padding: 6px 8px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .sidebar-footer a:hover {
            color: var(--primary);
        }

        /* ========== 主内容区域 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-topbar {
            display: none;
            background: var(--primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .mobile-topbar .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .brand-text span {
            color: var(--accent);
        }
        .mobile-toggle {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 36px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
        }
        .mobile-menu-panel {
            display: none;
            background: var(--bg-white);
            border-bottom: 2px solid var(--accent);
            padding: 12px 16px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 6px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--bg-soft);
            color: var(--primary);
        }
        .mobile-menu-panel a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
        }
        .mobile-menu-panel a.active i {
            color: var(--accent);
        }

        /* ========== 通用板块样式 ========== */
        section {
            padding: 56px 0;
        }
        .section-bg-white {
            background: var(--bg-white);
        }
        .section-bg-soft {
            background: var(--bg-soft);
        }
        .section-bg-deep {
            background: var(--bg-deep);
            color: #E6E1D7;
        }
        .section-bg-deep h2,
        .section-bg-deep h3,
        .section-bg-deep p {
            color: #E6E1D7;
        }
        .section-bg-deep .text-muted-light {
            color: rgba(230, 225, 215, 0.7);
        }
        .section-divider {
            border-top: 1px solid var(--border);
            margin: 0;
        }

        /* ========== 按钮 ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-brand:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: var(--shadow);
        }
        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline-brand:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--bg-deep);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-accent:hover {
            background: #e5c060;
            color: var(--bg-deep);
            transform: translateY(-2px);
        }

        /* ========== 徽章与标签 ========== */
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #FFF3E0;
            color: #B85C00;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition);
        }
        .badge-pill:hover {
            background: #FFE0B2;
            color: #9A4E00;
        }
        .badge-green {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(46, 139, 90, 0.12);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(212, 169, 64, 0.15);
            color: #9A7A20;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
        }

        /* ========== 卡片 ========== */
        .community-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 20px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .community-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .community-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .community-card .card-title a {
            color: var(--text);
        }
        .community-card .card-title a:hover {
            color: var(--primary);
        }
        .community-card .card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .community-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .community-card .card-meta i {
            color: var(--accent);
            width: 16px;
        }

        /* ========== 列表卡片（图片左对齐） ========== */
        .discussion-list-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 16px;
            margin-bottom: 16px;
            display: flex;
            gap: 16px;
            transition: var(--transition);
            align-items: flex-start;
        }
        .discussion-list-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }
        .discussion-list-item .list-img {
            width: 120px;
            min-width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-soft);
            flex-shrink: 0;
        }
        .discussion-list-item .list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .discussion-list-item .list-content {
            flex: 1;
            min-width: 0;
        }
        .discussion-list-item .list-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .discussion-list-item .list-title a {
            color: var(--text);
        }
        .discussion-list-item .list-title a:hover {
            color: var(--primary);
        }
        .discussion-list-item .list-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .discussion-list-item .list-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .discussion-list-item .list-meta i {
            color: var(--accent);
            width: 14px;
        }

        /* ========== 标签墙 ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: var(--bg-white);
            border: 1px solid var(--border-strong);
            color: var(--text-light);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }
        .tag-pill:hover,
        .tag-pill.active-tag {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .tag-pill.active-tag {
            box-shadow: 0 2px 8px rgba(15, 61, 46, 0.25);
        }

        /* ========== 数据快照 ========== */
        .stat-snapshot {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
        }
        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 140px;
            padding: 12px;
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .section-bg-deep .stat-number {
            color: var(--accent);
        }
        .section-bg-deep .stat-label {
            color: rgba(230, 225, 215, 0.7);
        }

        /* ========== 精选专题卡片 ========== */
        .featured-topic-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .featured-topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .featured-topic-card .featured-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-soft);
        }
        .featured-topic-card .featured-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-topic-card .featured-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .featured-topic-card .featured-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .featured-topic-card .featured-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ========== 订阅区块 ========== */
        .subscribe-box {
            background: var(--bg-deep);
            border-radius: var(--radius);
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            justify-content: space-between;
            border: 1px solid rgba(212, 169, 64, 0.25);
        }
        .subscribe-box h3 {
            color: #fff;
            margin-bottom: 6px;
        }
        .subscribe-box p {
            color: rgba(230, 225, 215, 0.75);
            margin-bottom: 0;
            font-size: 15px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input[type="email"] {
            min-width: 260px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: rgba(230, 225, 215, 0.5);
        }
        .subscribe-form input[type="email"]:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
        }
        .subscribe-form .btn-accent {
            padding: 12px 28px;
            white-space: nowrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1C1E21;
            color: #E6E1D7;
            padding: 36px 0 24px;
            font-size: 14px;
        }
        .site-footer .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: flex-start;
            justify-content: space-between;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(230, 225, 215, 0.15);
            margin-bottom: 16px;
        }
        .site-footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-brand i {
            color: var(--accent);
        }
        .site-footer .footer-brand span {
            color: var(--accent);
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }
        .site-footer .footer-links a {
            color: #E6E1D7;
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
            font-size: 13px;
            color: #8A8D92;
        }
        .site-footer .footer-bottom a {
            color: #8A8D92;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        .site-footer .icp {
            color: #8A8D92;
        }

        /* ========== 分类页H1头部 ========== */
        .category-hero {
            background: linear-gradient(135deg, var(--bg-deep) 0%, #1a4a38 55%, #2E6B4F 100%);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(212, 169, 64, 0.08);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(46, 139, 90, 0.1);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 780px;
        }
        .category-hero h1 {
            color: #fff;
            margin-bottom: 14px;
            font-size: clamp(28px, 3.6vw, 42px);
        }
        .category-hero .hero-overline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .category-hero .hero-desc {
            color: rgba(230, 225, 215, 0.85);
            font-size: 16px;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 0;
        }
        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 20px;
        }
        .category-hero .hero-stat-mini {
            color: #fff;
        }
        .category-hero .hero-stat-mini .mini-number {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .category-hero .hero-stat-mini .mini-label {
            font-size: 13px;
            color: rgba(230, 225, 215, 0.65);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            section {
                padding: 40px 0;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .discussion-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .discussion-list-item .list-img {
                width: 100%;
                min-width: auto;
                height: 140px;
            }
            .subscribe-box {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
            .subscribe-form {
                justify-content: center;
                width: 100%;
            }
            .subscribe-form input[type="email"] {
                min-width: 100%;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            section {
                padding: 32px 0;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            .stat-number {
                font-size: 28px;
            }
            .featured-topic-card .featured-img {
                height: 160px;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
            .category-hero .hero-stat-mini .mini-number {
                font-size: 20px;
            }
            .btn-brand,
            .btn-outline-brand,
            .btn-accent {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .stat-snapshot {
                flex-direction: column;
                gap: 8px;
            }
            .stat-item {
                min-width: 100%;
                padding: 8px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .tag-pill {
                padding: 6px 14px;
                font-size: 13px;
            }
            .discussion-list-item .list-title {
                font-size: 15px;
            }
            .discussion-list-item .list-meta {
                font-size: 12px;
                gap: 10px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0F3D2E;
            --primary-light: #2E8B5A;
            --accent: #D4A940;
            --bg: #F6F3EC;
            --bg-white: #FFFFFF;
            --bg-soft: #F0EBE2;
            --text: #1C1E21;
            --text-light: #4A4F55;
            --text-muted: #7A8086;
            --border: rgba(15, 61, 46, 0.08);
            --border-strong: rgba(15, 61, 46, 0.18);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 61, 46, 0.14);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --nav-width: 252px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 18px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            padding: 0 8px 22px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 18px;
        }
        .sidebar-brand a {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-brand a span {
            color: var(--accent);
        }
        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }
        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-nav-menu a:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
        }
        .sidebar-nav-menu a:hover i {
            color: var(--primary);
        }
        .sidebar-nav-menu a.active {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
            font-weight: 700;
        }
        .sidebar-nav-menu a.active i {
            color: var(--accent);
        }
        .sidebar-footer {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            font-size: 13px;
        }
        .sidebar-footer a {
            display: block;
            padding: 6px 8px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .sidebar-footer a:hover {
            color: var(--primary);
        }
        /* ========== 主内容区域 ========== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }
        /* ========== 移动端顶部导航 ========== */
        .mobile-topbar {
            display: none;
            background: var(--primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .mobile-topbar .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .brand-text span {
            color: var(--accent);
        }
        .mobile-toggle {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.4);
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 36px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255,255,255,0.12);
            border-color: rgba(255,255,255,0.6);
        }
        .mobile-menu-panel {
            display: none;
            background: var(--bg-white);
            border-bottom: 2px solid var(--accent);
            padding: 12px 16px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 6px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--bg-soft);
            color: var(--primary);
        }
        .mobile-menu-panel a i {
            width: 20px;
            text-align: center;
        }
        /* ========== 页面标题区域 ========== */
        .page-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 32px;
            margin-bottom: 40px;
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .page-header .lead {
            font-size: 17px;
            color: var(--text-light);
            max-width: 720px;
        }
        /* ========== 通用 section 样式 ========== */
        .section {
            padding: 40px 0;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .bg-soft {
            background: var(--bg-soft);
        }
        .bg-white {
            background: var(--bg-white);
        }
        /* ========== 卡片样式 ========== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-body {
            padding: 20px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* ========== 标签样式 ========== */
        .badge-pill {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: #FFF3E0;
            color: #B85C00;
            font-size: 13px;
            font-weight: 500;
            margin-right: 8px;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .badge-pill:hover {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        /* ========== 列表卡片样式 ========== */
        .news-card {
            display: flex;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-card .news-img {
            width: 200px;
            min-height: 140px;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            background-color: #ccc;
        }
        .news-card .news-body {
            padding: 16px 20px;
            flex: 1;
        }
        .news-card .news-meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .news-card .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .news-card .news-summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* ========== 统计卡片 ========== */
        .stat-card {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            background: var(--primary-light);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 15px;
            opacity: 0.9;
        }
        /* ========== 订阅表单 ========== */
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border: 1px solid #D7D3CC;
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,61,46,0.08);
            outline: none;
        }
        .subscribe-form button {
            white-space: nowrap;
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: #1C1E21;
            color: #E6E1D7;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .site-footer .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-brand span {
            color: var(--accent);
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
        }
        .site-footer .footer-links a {
            color: #E6E1D7;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 20px;
            font-size: 13px;
            color: #8A8D92;
        }
        .site-footer .footer-bottom a {
            color: #8A8D92;
            transition: var(--transition);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        .site-footer .icp {
            white-space: nowrap;
        }
        /* ========== 响应式断点 ========== */
        @media (max-width: 992px) {
            .sidebar-nav {
                transform: translateX(-100%);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .mobile-menu-panel {
                display: block;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                z-index: 1049;
                transform: translateY(-120%);
                transition: transform 0.3s ease;
            }
            .mobile-menu-panel.open {
                transform: translateY(0);
            }
            .page-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .news-img {
                width: 100%;
                height: 180px;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
            .section {
                padding: 24px 0;
            }
            .page-header {
                padding: 32px 0 24px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-number {
                font-size: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0F3D2E;
            --primary-light: #2E8B5A;
            --accent: #D4A940;
            --bg: #F6F3EC;
            --bg-white: #FFFFFF;
            --bg-soft: #F0EBE2;
            --text: #1C1E21;
            --text-light: #4A4F55;
            --text-muted: #7A8086;
            --border: rgba(15, 61, 46, 0.08);
            --border-strong: rgba(15, 61, 46, 0.18);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(15, 61, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 61, 46, 0.14);
            --transition: all 0.25s ease;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --nav-width: 252px;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

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

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 28px 18px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            padding: 0 8px 22px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 18px;
        }

        .sidebar-brand a {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-brand a span {
            color: var(--accent);
            font-size: 15px;
            letter-spacing: 1px;
            font-weight: 600;
        }

        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }

        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }

        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .sidebar-nav-menu a:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
        }

        .sidebar-nav-menu a:hover i {
            color: var(--primary);
        }

        .sidebar-nav-menu a.active {
            background: var(--bg-soft);
            color: var(--primary);
            border-left-color: var(--accent);
            font-weight: 700;
        }

        .sidebar-nav-menu a.active i {
            color: var(--accent);
        }

        .sidebar-footer {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            font-size: 13px;
        }

        .sidebar-footer a {
            display: block;
            padding: 6px 8px;
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition);
        }

        .sidebar-footer a:hover {
            color: var(--primary);
        }

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

        .page-content {
            flex: 1;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-topbar {
            display: none;
            background: var(--primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .mobile-topbar .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .mobile-topbar .brand-text span {
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 1px;
        }

        .mobile-toggle {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 36px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .mobile-menu-panel {
            display: none;
            background: var(--bg-white);
            border-bottom: 2px solid var(--accent);
            padding: 12px 16px;
        }

        .mobile-menu-panel.open {
            display: block;
        }

        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 6px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--bg-soft);
            color: var(--primary);
        }

        .mobile-menu-panel a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
        }

        /* ========== Section 通用样式 ========== */
        .section-block {
            padding: var(--section-pad-desktop) 0;
        }

        .section-block.bg-white {
            background: var(--bg-white);
        }

        .section-block.bg-soft {
            background: var(--bg-soft);
        }

        .section-block.bg-muted {
            background: #EDE9E0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 28px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding: 18px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-bar a {
            color: var(--primary);
            font-weight: 500;
        }

        .breadcrumb-bar a:hover {
            color: var(--primary-light);
        }

        .breadcrumb-bar .separator {
            margin: 0 8px;
            color: var(--text-muted);
        }

        .breadcrumb-bar .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ========== 分类 H1 区块 ========== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary) 0%, #1A4D3C 55%, var(--primary-light) 100%);
            padding: 56px 0 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 169, 64, 0.12);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 45%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(46, 139, 90, 0.2);
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 14px;
            line-height: 1.3;
            color: #fff;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            max-width: 720px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 0;
        }

        .category-hero .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .category-hero .hero-badge {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
        }

        /* ========== 数据快照 ========== */
        .stat-card-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }

        .stat-card .stat-icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .stat-card .stat-number {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-card .stat-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== 文章列表卡片 ========== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .article-item {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .article-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }

        .article-item .article-img {
            flex: 0 0 240px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 150px;
        }

        .article-item .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .article-item:hover .article-img img {
            transform: scale(1.04);
        }

        .article-item .article-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-item .article-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .article-item .article-summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .article-item .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-item .article-meta .tag-pill {
            background: #FFF3E0;
            color: #B85C00;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
        }

        .article-item .article-meta .date-text {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 按钮 ========== */
        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            display: inline-block;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .btn-custom-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(15, 61, 46, 0.25);
        }

        .btn-custom-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            display: inline-block;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .btn-custom-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }

        .btn-more:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        /* ========== 标签墙 ========== */
        .tag-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-pill-lg {
            background: var(--bg-white);
            border: 1px solid var(--border-strong);
            color: var(--text-light);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }

        .tag-pill-lg:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ========== 训练知识精选 ========== */
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .knowledge-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .knowledge-card .knowledge-img {
            height: 170px;
            overflow: hidden;
        }

        .knowledge-card .knowledge-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .knowledge-card:hover .knowledge-img img {
            transform: scale(1.05);
        }

        .knowledge-card .knowledge-body {
            padding: 18px 20px 20px;
        }

        .knowledge-card .knowledge-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .knowledge-card .knowledge-text {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== 规则速查 ========== */
        .rule-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .rule-table thead th {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            padding: 14px 16px;
            text-align: left;
            letter-spacing: 1px;
        }

        .rule-table tbody td {
            padding: 13px 16px;
            font-size: 14px;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
            vertical-align: top;
        }

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

        .rule-table tbody tr:hover td {
            background: var(--bg-soft);
        }

        .rule-table .sport-name {
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        /* ========== 专题推荐 ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .featured-card .featured-img {
            height: 160px;
            overflow: hidden;
        }

        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .featured-card .featured-body {
            padding: 18px 18px 16px;
        }

        .featured-card .featured-cat {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .featured-card .featured-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .featured-card .featured-text {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== 订阅区块 ========== */
        .subscribe-band {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 32px 36px;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .subscribe-band .subscribe-text {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-band .subscribe-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .subscribe-band .subscribe-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            min-width: 280px;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 3px rgba(212, 169, 64, 0.25);
        }

        .subscribe-form .btn-subscribe {
            background: var(--accent);
            color: var(--text);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.5px;
        }

        .subscribe-form .btn-subscribe:hover {
            background: #E0B954;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(212, 169, 64, 0.35);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1C1E21;
            color: #E6E1D7;
            padding: 40px 0 28px;
            margin-top: auto;
        }

        .site-footer .footer-top {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-start;
            gap: 28px;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand i {
            color: var(--accent);
        }

        .site-footer .footer-brand span {
            color: var(--accent);
            font-size: 14px;
            letter-spacing: 1.5px;
            font-weight: 600;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .site-footer .footer-links a {
            color: #8A8D92;
            font-size: 14px;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--accent);
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: #8A8D92;
        }

        .site-footer .footer-bottom .icp {
            font-size: 12px;
            color: #6B6E73;
        }

        .site-footer .footer-bottom a {
            color: #8A8D92;
            transition: var(--transition);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 992px) {
            :root {
                --section-pad-desktop: 48px;
            }

            .sidebar-nav {
                display: none;
            }

            .main-wrapper {
                margin-left: 0;
            }

            .mobile-topbar {
                display: flex;
            }

            .category-hero h1 {
                font-size: 30px;
            }

            .section-title {
                font-size: 24px;
            }

            .stat-card-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .stat-card .stat-number {
                font-size: 26px;
            }

            .article-item {
                flex-direction: column;
                gap: 12px;
            }

            .article-item .article-img {
                flex: 0 0 auto;
                height: 180px;
                width: 100%;
            }

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

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

        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-pad-mobile) 0;
            }

            .category-hero {
                padding: 36px 0 32px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero .hero-desc {
                font-size: 14px;
            }

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

            .section-subtitle {
                font-size: 14px;
            }

            .stat-card-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 16px;
            }

            .stat-card .stat-number {
                font-size: 24px;
            }

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

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

            .article-item .article-img {
                height: 140px;
            }

            .article-item .article-title {
                font-size: 15px;
            }

            .subscribe-band {
                flex-direction: column;
                align-items: stretch;
                padding: 24px 20px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input {
                min-width: auto;
                width: 100%;
            }

            .subscribe-form .btn-subscribe {
                width: 100%;
            }

            .site-footer .footer-top {
                flex-direction: column;
                gap: 16px;
            }

            .site-footer .footer-links {
                gap: 10px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 22px;
                letter-spacing: 0;
            }

            .rule-table thead th {
                font-size: 12px;
                padding: 10px 8px;
            }

            .rule-table tbody td {
                font-size: 12px;
                padding: 10px 8px;
            }

            .tag-pill-lg {
                padding: 6px 14px;
                font-size: 12px;
            }

            .article-item {
                padding: 12px;
            }

            .article-item .article-img {
                height: 120px;
            }

            .section-title {
                font-size: 20px;
            }
        }

/* 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}