/* roulang page: index */
:root {
            --primary: #1B6EF3;
            --primary-dark: #1254C7;
            --primary-soft: #EFF5FF;
            --accent-cyan: #0FB5BA;
            --accent-gold: #F5A623;
            --bg-body: #FFFFFF;
            --bg-shell: #F4F8FC;
            --text-primary: #12263A;
            --text-body: #41566E;
            --text-muted: #7B8DA0;
            --border: #E5EDF5;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(18,38,58,0.07);
            --shadow-hover: 0 10px 30px rgba(18,38,58,0.10);
            --sidebar-width: 250px;
            --transition-base: all .25s ease;
            --font-sans: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; }
        button { font-family: inherit; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 700; line-height: 1.3; }

        /* ===== App Shell Layout ===== */
        .app-shell { display: block; min-height: 100vh; }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-shell);
            border-right: 1px solid var(--border);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-body);
            display: flex;
            flex-direction: column;
        }
        .page-main { flex: 1; }
        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        @media (max-width: 1200px) {
            .container-custom { padding-left: 28px; padding-right: 28px; }
        }

        /* ===== Sidebar Nav ===== */
        .sidebar-brand {
            padding: 28px 20px 24px;
            border-bottom: 1px solid var(--border);
        }
        .brand-link {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(27,110,243,0.25);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .brand-text .brand-hl { color: var(--primary); }
        .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
        }
        .sidebar-nav-title {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
            padding: 8px 14px 10px;
            text-transform: uppercase;
            font-weight: 600;
        }
        .nav-item-side {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition-base);
        }
        .nav-item-side i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .nav-item-side:hover {
            background: #EAF2FD;
            color: var(--primary);
        }
        .nav-item-side:hover i { color: var(--primary); }
        .nav-item-side.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-item-side.active i { color: var(--primary); }
        .nav-item-side.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-foot {
            padding: 20px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .sidebar-foot .live-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: var(--accent-cyan);
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: .5; transform: scale(0.8); }
        }

        /* ===== Mobile Toolbar & Drawer ===== */
        .mobile-toolbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: #fff;
            border-bottom: 1px solid var(--border);
            z-index: 1045;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-toolbar .brand-link { gap: 8px; }
        .mobile-toolbar .brand-mark { width: 32px; height: 32px; font-size: 15px; border-radius: 8px; }
        .mobile-toolbar .brand-text { font-size: 17px; }
        .menu-toggle {
            background: none;
            border: 1px solid var(--border);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 17px;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .menu-toggle:hover { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }
        .drawer-mask {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15,32,55,0.45);
            z-index: 1050;
            opacity: 0;
            transition: opacity .3s ease;
        }
        .drawer-mask.show { display: block; opacity: 1; }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 250px;
            height: 100vh;
            background: var(--bg-shell);
            z-index: 1055;
            transform: translateX(-100%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            border-right: 1px solid var(--border);
        }
        .mobile-drawer.open { transform: translateX(0); }
        .drawer-header {
            padding: 24px 16px 16px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .drawer-close {
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .drawer-close:hover { background: var(--primary-soft); color: var(--primary); }
        .drawer-nav { padding: 16px 12px; flex: 1; }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-radius: 0;
            overflow: hidden;
            padding: 80px 0 72px;
            margin-bottom: 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(255,255,255,0.94) 0%, rgba(244,248,252,0.97) 60%, rgba(244,248,252,0.90) 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.85);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
            margin-bottom: 22px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .pulsing-dot {
            width: 7px;
            height: 7px;
            background: var(--accent-cyan);
            border-radius: 50%;
            display: inline-block;
            animation: pulse 2s infinite;
        }
        .hero-title {
            font-size: clamp(2.2rem, 4.6vw, 3.4rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-title .highlight {
            color: var(--primary);
        }
        .hero-sub {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 30px;
            max-width: 620px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 13px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition-base);
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(27,110,243,0.22);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.7);
            color: var(--text-primary);
            border: 1px solid var(--border);
            padding: 13px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition-base);
            cursor: pointer;
            backdrop-filter: blur(4px);
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(18,38,58,0.08);
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 42px;
            padding-top: 28px;
            border-top: 1px solid rgba(229,237,245,0.8);
        }
        .hero-stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Section Base ===== */
        .section-block { padding: 72px 0; }
        .section-block-sm { padding: 48px 0; }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .section-head .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            line-height: 1.7;
        }
        .section-head .section-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .section-head .section-link:hover { gap: 10px; }

        /* ===== Directory Cards ===== */
        .dir-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
        }
        .dir-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(27,110,243,0.25);
        }
        .dir-card .card-img-wrap {
            position: relative;
            height: 170px;
            overflow: hidden;
            background: var(--bg-shell);
        }
        .dir-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .dir-card:hover .card-img-wrap img { transform: scale(1.03); }
        .dir-card .card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(18,38,58,0.18) 100%);
        }
        .dir-card .card-body {
            padding: 20px 22px 22px;
        }
        .dir-card .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .dir-card .card-title i {
            font-size: 14px;
            color: var(--primary);
            opacity: 0;
            transform: translateX(-6px);
            transition: var(--transition-base);
        }
        .dir-card:hover .card-title i { opacity: 1; transform: translateX(0); }
        .dir-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Featured List ===== */
        .feature-card {
            display: flex;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            transition: var(--transition-base);
            margin-bottom: 16px;
            align-items: stretch;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(27,110,243,0.22);
        }
        .feature-thumb {
            width: 220px;
            height: 140px;
            flex-shrink: 0;
            border-radius: 10px;
            overflow: hidden;
            background: var(--bg-shell);
        }
        .feature-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-body {
            flex: 1;
            padding: 4px 0;
            min-width: 0;
        }
        .feature-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .badge-cat {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 2px 12px;
            line-height: 1.5;
        }
        .meta-dot { color: var(--text-muted); font-size: 12px; }
        .meta-time { font-size: 14px; color: var(--text-muted); }
        .feature-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: block;
            transition: var(--transition-base);
        }
        .feature-title:hover { color: var(--primary); }
        .feature-excerpt {
            font-size: 14.5px;
            color: var(--text-body);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        /* ===== CMS News List ===== */
        .cms-section {
            background: var(--bg-shell);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .cms-list-wrap {}
        .cms-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            margin-bottom: 14px;
            transition: var(--transition-base);
            align-items: center;
        }
        .cms-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(27,110,243,0.22);
        }
        .cms-card-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .cms-card-body {
            flex: 1;
            min-width: 0;
        }
        .cms-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            display: block;
            margin-bottom: 4px;
            line-height: 1.4;
            transition: var(--transition-base);
        }
        .cms-card-title:hover { color: var(--primary); }
        .cms-card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .cms-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 8px;
            flex-shrink: 0;
        }
        .cms-card-meta .meta-time { font-size: 13px; }
        .cms-card-arrow {
            margin-left: 12px;
            color: var(--primary);
            font-size: 14px;
            opacity: 0;
            transform: translateX(-6px);
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .cms-card:hover .cms-card-arrow { opacity: 1; transform: translateX(0); }
        .cms-empty {
            border: 2px dashed var(--border);
            border-radius: var(--radius-card);
            padding: 60px 20px;
            text-align: center;
            background: #fff;
        }
        .cms-empty i {
            font-size: 44px;
            color: #c0d0e0;
            margin-bottom: 12px;
            display: block;
        }
        .cms-empty p {
            color: var(--text-muted);
            font-size: 15px;
            margin: 0;
        }

        /* ===== Recommendation Cards ===== */
        .rec-card {
            display: block;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
        }
        .rec-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(27,110,243,0.25);
        }
        .rec-card .rec-thumb {
            height: 140px;
            overflow: hidden;
            background: var(--bg-shell);
        }
        .rec-card .rec-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .rec-card:hover .rec-thumb img { transform: scale(1.05); }
        .rec-card .rec-body {
            padding: 18px 20px 20px;
        }
        .rec-card .rec-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: block;
            line-height: 1.4;
        }
        .rec-card .rec-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== CTA ===== */
        .cta-section { padding: 48px 0 72px; }
        .cta-card {
            background: var(--primary-soft);
            border-radius: 16px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            border: 1px solid rgba(27,110,243,0.12);
            flex-wrap: wrap;
        }
        .cta-info h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .cta-info p {
            font-size: 15px;
            color: var(--text-body);
            margin: 0;
            max-width: 480px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== FAQ ===== */
        .faq-section { padding: 0 0 72px; }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(18,38,58,0.03);
        }
        .accordion-button {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            background: #fff;
            padding: 18px 24px;
            border: none;
            line-height: 1.5;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
        }
        .accordion-button::after {
            background-size: 14px;
            filter: saturate(0.3);
        }
        .accordion-body {
            padding: 4px 24px 20px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
            background: #fff;
            border-top: 1px solid #f0f5fa;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #10233A;
            color: #A8B8C7;
            padding: 48px 0 0;
            font-size: 14px;
        }
        .footer-inner {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 32px 40px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
        }
        .footer-brand-block {}
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .brand-mark {
            width: 36px;
            height: 36px;
            font-size: 16px;
            border-radius: 8px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #A8B8C7;
            max-width: 300px;
            margin-bottom: 20px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: #A8B8C7;
            transition: var(--transition-base);
        }
        .footer-links a:hover { color: #fff; padding-left: 4px; }
        .footer-tip {
            background: rgba(255,255,255,0.06);
            border-radius: 10px;
            padding: 16px;
            font-size: 13.5px;
            line-height: 1.7;
            color: #C8D5E0;
        }
        .footer-tip i { color: var(--accent-gold); margin-right: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #7E94A8;
        }
        .footer-bottom a { color: #A8B8C7; }
        .footer-bottom a:hover { color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .sidebar { display: none; }
            .main-content { margin-left: 0; }
            .mobile-toolbar { display: flex; }
            .page-main { padding-top: 60px; }
            .hero-section { padding: 56px 0 52px; min-height: 420px; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .cta-card { padding: 36px 32px; }
        }
        @media (max-width: 767.98px) {
            .container-custom { padding-left: 20px; padding-right: 20px; }
            .section-block { padding: 48px 0; }
            .hero-title { font-size: 2rem; }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-ghost { width: 100%; justify-content: center; }
            .feature-card { flex-direction: column; }
            .feature-thumb { width: 100%; height: 180px; }
            .dir-card .card-img-wrap { height: 140px; }
            .footer-inner { grid-template-columns: 1fr; gap: 32px; padding: 0 20px 32px; }
            .cta-card { flex-direction: column; text-align: center; padding: 32px 24px; }
            .cta-actions { justify-content: center; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .hero-stat { display: flex; align-items: center; gap: 12px; }
            .hero-stat-num { font-size: 22px; }
            .hero-stat-label { margin-top: 0; }
        }
        @media (max-width: 575.98px) {
            .hero-section { padding: 40px 0 44px; }
            .hero-badge { font-size: 13px; }
            .hero-title { font-size: 1.7rem; }
            .hero-sub { font-size: 1rem; }
            .cms-card { flex-direction: column; align-items: flex-start; gap: 12px; padding: 18px; }
            .cms-card-meta { margin-top: 4px; }
            .cms-card-arrow { display: none; }
            .section-head h2 { font-size: 1.5rem; }
            .faq-accordion .accordion-button { padding: 16px 18px; font-size: 16px; }
            .faq-accordion .accordion-body { padding: 4px 18px 18px; }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible, button:focus-visible {
            outline: 3px solid rgba(27,110,243,0.35);
            outline-offset: 2px;
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(27,110,243,0.12);
        }

/* roulang page: category1 */
:root {
            --primary: #1B6EF3;
            --primary-dark: #1254C7;
            --primary-soft: #EFF5FF;
            --accent-cyan: #0FB5BA;
            --accent-gold: #F5A623;
            --bg-body: #FFFFFF;
            --bg-shell: #F4F8FC;
            --text-primary: #12263A;
            --text-body: #41566E;
            --text-muted: #7B8DA0;
            --border: #E5EDF5;
            --card-radius: 14px;
            --card-shadow: 0 4px 16px rgba(18, 38, 58, 0.07);
            --card-shadow-hover: 0 10px 30px rgba(18, 38, 58, 0.10);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: 250px;
            background: var(--bg-shell);
            border-right: 1px solid var(--border);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0 16px;
            overflow-y: auto;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 24px 12px 18px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 20px;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .brand-text small {
            display: block;
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0;
        }

        .sidebar-nav-title {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            padding: 0 12px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item-side {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: 10px;
            color: var(--text-body);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            border: none;
            background: transparent;
            transition: var(--transition);
        }

        .nav-item-side i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .nav-item-side:hover {
            background: #EAF2FD;
            color: var(--primary);
        }

        .nav-item-side:hover i {
            color: var(--primary);
        }

        .nav-item-side.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item-side.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
        }

        .nav-item-side.active i {
            color: var(--primary);
        }

        .sidebar-footer-note {
            margin-top: auto;
            padding: 16px 12px 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
        }

        .main-content {
            margin-left: 250px;
            flex: 1;
            min-width: 0;
        }

        .container-custom {
            max-width: 1340px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: #fff;
            z-index: 1045;
            border-bottom: 1px solid var(--border);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1.05rem;
        }

        .mobile-brand .brand-mark {
            width: 34px;
            height: 34px;
            font-size: 0.95rem;
            border-radius: 10px;
        }

        .mobile-menu-toggle {
            background: none;
            border: none;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 1.2rem;
        }

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

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 32, 55, 0.45);
            z-index: 1041;
            opacity: 0;
            transition: opacity 0.3s;
        }

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

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 250px;
            background: var(--bg-shell);
            z-index: 1042;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            padding: 0 16px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

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

        .mobile-drawer-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--text-muted);
            padding: 12px;
        }

        main {
            padding-bottom: 0;
        }

        .category-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            margin-bottom: 72px;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 0%, rgba(244, 248, 252, 0.92) 50%, rgba(244, 248, 252, 0.78) 100%);
        }

        .category-hero .hero-inner {
            position: relative;
            z-index: 1;
            padding: 60px 0;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--accent-cyan);
        }

        .category-hero h1 {
            font-size: clamp(1.8rem, 3.6vw, 2.8rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .category-hero p {
            font-size: 1.05rem;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 0;
            max-width: 640px;
        }

        .section-block {
            padding: 72px 0;
        }

        .section-block-alt {
            background: var(--bg-shell);
            border-radius: 24px;
            padding: 64px 40px;
            margin: 0 40px 72px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

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

        .subtopic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .subtopic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
            border-color: rgba(27, 110, 243, 0.25);
        }

        .subtopic-card .card-media {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

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

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

        .subtopic-card .card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .subtopic-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .subtopic-card .card-text {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .subtopic-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
        }

        .subtopic-card .card-link i {
            transition: transform 0.2s;
            font-size: 0.8rem;
        }

        .subtopic-card .card-link:hover i {
            transform: translateX(4px);
        }

        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .featured-item {
            display: flex;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .featured-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .featured-item .item-thumb {
            flex-shrink: 0;
            width: 220px;
            min-height: 150px;
            overflow: hidden;
        }

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

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

        .featured-item .item-content {
            padding: 22px 26px;
            flex: 1;
        }

        .item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .badge-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        .badge-tag.cyan {
            background: rgba(15, 181, 186, 0.1);
            color: #0B8B8F;
        }

        .badge-tag.gold {
            background: rgba(245, 166, 35, 0.12);
            color: #C67A0C;
        }

        .item-meta .meta-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .item-meta .meta-date::before {
            content: "";
            width: 4px;
            height: 4px;
            background: var(--border);
            border-radius: 50%;
            display: inline-block;
            margin-right: 2px;
        }

        .featured-item .item-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .featured-item .item-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        .info-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .info-card {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            padding: 20px 24px;
            transition: var(--transition);
        }

        .info-card:hover {
            border-color: rgba(27, 110, 243, 0.3);
            box-shadow: var(--card-shadow);
            transform: translateX(4px);
        }

        .info-card .info-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .info-card .info-body {
            flex: 1;
        }

        .info-card .info-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .info-card .info-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .info-card .info-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 4px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

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

        .recommend-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            height: 100%;
        }

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

        .recommend-card .rec-media {
            height: 140px;
            overflow: hidden;
        }

        .recommend-card .rec-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

        .recommend-card:hover .rec-media img {
            transform: scale(1.04);
        }

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

        .recommend-card .rec-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .recommend-card .rec-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .cta-card {
            background: var(--primary-soft);
            border-radius: 20px;
            padding: 56px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 72px;
            border: 1px solid rgba(27, 110, 243, 0.1);
        }

        .cta-card .cta-info {
            flex: 1;
        }

        .cta-card .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .cta-card .cta-text {
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 26px;
            height: 46px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(27, 110, 243, 0.35);
        }

        .btn-outline-custom {
            background: #fff;
            color: var(--primary);
            border: 1px solid rgba(27, 110, 243, 0.35);
            padding: 10px 26px;
            height: 46px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .faq-section {
            margin-bottom: 72px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
            transition: var(--transition);
        }

        .faq-item:hover {
            background: #F8FAFD;
        }

        .faq-item .faq-header {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            margin: 0;
        }

        .faq-item .faq-header i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform 0.3s;
        }

        .faq-item.active .faq-header i {
            transform: rotate(180deg);
        }

        .faq-item .faq-body {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            display: none;
        }

        .faq-item.active .faq-body {
            display: block;
        }

        .site-footer {
            background: #10233A;
            color: #A8B8C7;
            margin-left: 250px;
            padding: 60px 0 0;
        }

        .footer-inner {
            max-width: 1340px;
            margin: 0 auto;
            padding: 0 40px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-brand .brand-mark {
            background: var(--primary);
            width: 36px;
            height: 36px;
            border-radius: 10px;
            font-size: 1rem;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: #A8B8C7;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-col-title {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: #A8B8C7;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-tip {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 16px;
            font-size: 0.85rem;
            line-height: 1.8;
            color: #B8C6D4;
        }

        .footer-tip i {
            color: var(--accent-gold);
            margin-right: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            font-size: 0.8rem;
            color: #7B92A8;
        }

        .footer-bottom .container-custom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom a {
            color: #7B92A8;
        }

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

        @media (max-width: 991.98px) {
            .site-footer {
                margin-left: 0;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .mobile-topbar {
                display: flex;
            }

            .sidebar {
                display: none;
            }

            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }

            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }

            .category-hero {
                min-height: 360px;
                margin-bottom: 56px;
            }

            .category-hero .hero-inner {
                padding: 40px 0;
            }

            .section-block {
                padding: 56px 0;
            }

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

            .featured-item {
                flex-direction: column;
            }

            .featured-item .item-thumb {
                width: 100%;
                height: 180px;
            }

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

            .cta-card {
                flex-direction: column;
                padding: 32px 24px;
                text-align: center;
            }

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

            .section-block-alt {
                margin: 0 24px 56px;
                padding: 40px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }

            .footer-inner>div:first-child {
                grid-row: auto;
            }

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

            .subtopic-card .card-media {
                height: 110px;
            }

            .subtopic-card .card-body {
                padding: 14px 16px;
            }

            .subtopic-card .card-title {
                font-size: 0.9rem;
            }

            .subtopic-card .card-text {
                display: none;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .info-card {
                padding: 16px;
                flex-wrap: wrap;
            }

            .info-card .info-date {
                width: 100%;
                padding-top: 0;
                white-space: normal;
            }

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

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
        }

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

            .category-hero {
                min-height: 320px;
            }

            .category-hero p {
                font-size: 0.9rem;
            }

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

            .subtopic-card .card-media {
                height: 140px;
            }

            .subtopic-card .card-text {
                display: block;
            }

            .featured-item .item-thumb {
                height: 140px;
            }

            .featured-item .item-content {
                padding: 16px 18px;
            }

            .featured-item .item-title {
                font-size: 1rem;
            }

            .btn-primary-custom,
            .btn-outline-custom {
                height: 44px;
                font-size: 0.875rem;
                padding: 0 20px;
            }

            .section-block-alt {
                margin: 0 16px 40px;
                padding: 32px 20px;
            }
        }

/* roulang page: article */
:root {
            --primary: #1B6EF3;
            --primary-dark: #1254C7;
            --primary-soft: #EFF5FF;
            --accent-cyan: #0FB5BA;
            --accent-gold: #F5A623;
            --bg-body: #FFFFFF;
            --bg-shell: #F4F8FC;
            --text-primary: #12263A;
            --text-body: #41566E;
            --text-muted: #7B8DA0;
            --border: #E5EDF5;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 16px rgba(18, 38, 58, 0.07);
            --shadow-hover: 0 10px 30px rgba(18, 38, 58, 0.10);
            --sidebar-width: 250px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

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

        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 桌面侧栏 ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--bg-shell);
            border-right: 1px solid #E3ECF9;
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 28px 16px;
            overflow-y: auto;
        }

        .sidebar-brand {
            padding: 0 8px 28px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 24px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .brand-mark {
            display: inline-flex;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }

        .sidebar-nav-title {
            font-size: 13px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: .08em;
            padding: 0 12px 10px;
        }

        .nav-item-side {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-left: 3px solid transparent;
            margin-bottom: 4px;
            transition: background .2s, color .2s;
        }

        .nav-item-side:hover {
            background: #EAF2FD;
            color: var(--primary);
        }

        .nav-item-side.active {
            background: var(--primary-soft);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .nav-item-side i {
            width: 18px;
            text-align: center;
            font-size: 14px;
        }

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

        /* ===== 移动端顶栏 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: #fff;
            border-bottom: 1px solid var(--border);
            z-index: 1050;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .mobile-brand .brand-mark {
            width: 30px;
            height: 30px;
            font-size: 14px;
            border-radius: 8px;
        }

        .mobile-menu-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 18px;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 32, 55, 0.45);
            z-index: 1055;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 240px;
            background: var(--bg-shell);
            z-index: 1060;
            transform: translateX(-100%);
            transition: transform .3s ease;
            padding: 24px 16px;
            overflow-y: auto;
        }

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

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 20px;
            margin-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }

        .mobile-drawer-header .brand-mark {
            width: 30px;
            height: 30px;
            font-size: 14px;
            border-radius: 8px;
        }

        .mobile-drawer-close {
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(0, 0, 0, .04);
            color: var(--text-body);
            font-size: 15px;
        }

        /* ===== 文章页 ===== */
        .article-main {
            flex: 1;
            padding: 48px 48px 80px;
            width: 100%;
        }

        .article-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .article-breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

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

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

        .article-breadcrumb .sep {
            color: #B6C4D2;
            margin: 0 2px;
        }

        .article-breadcrumb .current {
            color: var(--text-muted);
            max-width: 280px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-header {
            margin-bottom: 36px;
        }

        .article-header h1 {
            font-size: clamp(1.8rem, 3.6vw, 2.6rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .meta-dot {
            color: #B6C4D2;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 13px;
        }

        .article-content {
            font-size: 16.5px;
            line-height: 2;
            color: var(--text-body);
            word-wrap: break-word;
        }

        .article-content p {
            margin-bottom: 1.5em;
        }

        .article-content h1 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2em 0 1em;
        }

        .article-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2em 0 1em;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2em 0 .8em;
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 1.8em 0 .8em;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: #F4F9FF;
            padding: 16px 24px;
            border-radius: 0 10px 10px 0;
            margin: 1.5em 0;
            color: var(--text-body);
        }

        .article-content img {
            max-width: 100%;
            border-radius: 12px;
            margin: 2em auto;
            box-shadow: var(--shadow-card);
        }

        .article-content figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: -1.5em;
            margin-bottom: 2em;
        }

        .article-content ul {
            list-style: disc;
            padding-left: 1.5em;
            margin-bottom: 1.5em;
        }

        .article-content ol {
            list-style: decimal;
            padding-left: 1.5em;
            margin-bottom: 1.5em;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
        }

        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-empty {
            text-align: center;
            padding: 60px 20px;
            background: #F8FAFD;
            border: 2px dashed var(--border);
            border-radius: var(--radius-card);
        }

        .article-empty p {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .article-empty a {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid var(--border);
        }

        .related-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
        }

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

        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow .3s, transform .3s;
            display: block;
        }

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

        .related-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .related-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 14px 16px 6px;
            line-height: 1.4;
        }

        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            padding: 0 16px 16px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 返回+分享 ===== */
        .article-footer-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
            gap: 16px;
        }

        .back-link a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
            color: var(--text-body);
            font-size: 15px;
        }

        .back-link a:hover {
            color: var(--primary);
        }

        .share-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-fav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #FFF7ED;
            color: var(--accent-gold);
            border: 1px solid #FDE68A;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            transition: all .2s;
        }

        .btn-fav:hover {
            background: var(--accent-gold);
            color: #fff;
            border-color: var(--accent-gold);
        }

        .share-icons {
            display: flex;
            gap: 8px;
        }

        .share-icons a {
            display: inline-flex;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-shell);
            color: var(--text-body);
            font-size: 15px;
            transition: all .2s;
        }

        .share-icons a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== CTA ===== */
        .cta-card {
            margin-top: 48px;
            background: var(--primary-soft);
            border-radius: 16px;
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .cta-card p {
            font-size: 14px;
            color: var(--text-body);
            max-width: 380px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all .2s;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(27, 110, 243, 0.3);
            color: #fff;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            border: 1px solid #D6E4F5;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all .2s;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: #10233A;
            color: #A8B8C7;
            padding: 56px 48px 0;
            flex-shrink: 0;
        }

        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-brand .brand-mark {
            background: var(--primary);
            width: 30px;
            height: 30px;
            font-size: 14px;
            border-radius: 8px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #8FA1B5;
            max-width: 280px;
        }

        .footer-col-title {
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 16px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #A8B8C7;
            font-size: 14px;
            transition: color .2s;
        }

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

        .footer-tip {
            font-size: 14px;
            line-height: 1.7;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            padding: 16px;
            color: #A8B8C7;
        }

        .footer-tip i {
            color: var(--accent-gold);
            margin-right: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #7A8DA3;
        }

        .footer-bottom a {
            color: #A8B8C7;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 991px) {
            .app-sidebar {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

            .app-main {
                margin-left: 0;
                padding-top: 60px;
            }

            .mobile-drawer {
                display: block;
            }

            .mobile-overlay {
                display: none;
            }

            .article-main {
                padding: 24px 20px 60px;
            }

            .article-wrap {
                max-width: 100%;
            }

            .site-footer {
                padding: 40px 24px 0;
            }
        }

        @media (max-width: 767px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .related-card img {
                height: 180px;
            }

            .cta-card {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-footer-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .site-footer {
                padding: 40px 20px 0;
            }

            .footer-bottom {
                padding: 16px 20px;
            }
        }

        @media (max-width: 520px) {
            .article-header h1 {
                font-size: 1.5rem;
            }

            .article-content {
                font-size: 15px;
            }

            .share-actions {
                width: 100%;
                justify-content: space-between;
            }

            .article-breadcrumb .current {
                max-width: 160px;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-ghost {
                flex: 1;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1B6EF3;
            --primary-dark: #1254C7;
            --primary-soft: #EFF5FF;
            --accent-cyan: #0FB5BA;
            --accent-gold: #F5A623;
            --bg-body: #FFFFFF;
            --bg-shell: #F4F8FC;
            --text-primary: #12263A;
            --text-body: #41566E;
            --text-muted: #7B8DA0;
            --border: #E5EDF5;
            --sidebar-width: 260px;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 10px;
            --shadow-card: 0 4px 16px rgba(18, 38, 58, 0.07);
            --shadow-hover: 0 10px 30px rgba(18, 38, 58, 0.10);
            --space-section: 76px;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            color: var(--text-body);
            background: var(--bg-body);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color .2s ease;
        }

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

        img {
            max-width: 100%;
            vertical-align: middle;
        }

        button {
            border: none;
            cursor: pointer;
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: .01em;
        }

        p {
            margin: 0 0 1rem;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(27, 110, 243, .35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 通用容器 ===== */
        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ===== 左侧 App Shell / 桌面侧栏 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--bg-shell);
            border-right: 1px solid #E3ECF9;
            display: flex;
            flex-direction: column;
            z-index: 1040;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 28px 22px 18px;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(27, 110, 243, .22);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 10px 16px;
        }

        .sidebar-nav-title {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: .08em;
            padding: 12px 14px 6px;
            text-transform: uppercase;
        }

        .nav-item-side {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: 10px;
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: background .2s ease, color .2s ease, border-color .2s ease;
        }

        .nav-item-side i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            opacity: .85;
        }

        .nav-item-side:hover {
            background: #EAF2FD;
            color: var(--primary);
        }

        .nav-item-side.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
            border-left-color: var(--primary);
        }

        .sidebar-toggle {
            display: none;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 32, 55, .45);
            z-index: 1045;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }

        .mobile-overlay.show {
            opacity: 1;
            visibility: visible;
        }

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

        .main-content {
            flex: 1 0 auto;
        }

        /* ===== 分类页主题封面 ===== */
        .page-hero {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 360px;
            padding: 56px 0;
            background-image: linear-gradient(to right,
                rgba(255, 255, 255, 0.94) 0%,
                rgba(244, 248, 252, 0.88) 55%,
                rgba(244, 248, 252, 0.55) 100%),
                url('/assets/images/backpic/back-1.png');
            background-size: cover, cover;
            background-position: center, center;
            background-repeat: no-repeat;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            box-shadow: 0 2px 10px rgba(18, 38, 58, .04);
        }

        .hero-badge i {
            color: var(--accent-cyan);
        }

        .page-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            color: var(--text-primary);
            margin: 18px 0 12px;
            letter-spacing: .02em;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.9;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }

        .hero-stat {
            padding-right: 36px;
            border-right: 1px solid var(--border);
        }

        .hero-stat:last-child {
            border-right: none;
            padding-right: 0;
        }

        .hero-stat .num {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .hero-stat .num small {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            margin-left: 2px;
        }

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

        /* ===== 通用板块 ===== */
        .section-block {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: var(--bg-shell);
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-kicker {
            display: inline-block;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: .06em;
            margin-bottom: 6px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.4vw, 2rem);
            margin: 4px 0 8px;
        }

        .section-head p {
            color: var(--text-muted);
            max-width: 620px;
            margin: 0;
            font-size: 15px;
        }

        /* ===== 封面卡片 ===== */
        .cover-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .cover-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #D3E2F0;
        }

        .card-thumb {
            display: block;
            height: 150px;
            overflow: hidden;
        }

        .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .cover-card:hover .card-thumb img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
            position: relative;
            z-index: 1;
        }

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

        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.7;
        }

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

        .card-link-more i {
            transition: transform .2s ease;
            font-size: 13px;
        }

        .cover-card:hover .card-link-more i {
            transform: translateX(4px);
        }

        .cover-link {
            position: absolute;
            inset: 0;
            z-index: 3;
            border-radius: var(--radius-card);
        }

        /* ===== 精选图文列表 ===== */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .feature-row {
            display: flex;
            gap: 22px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            position: relative;
        }

        .feature-row:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: #D3E2F0;
        }

        .feature-thumb {
            flex: 0 0 220px;
            display: block;
            border-radius: 10px;
            overflow: hidden;
        }

        .feature-thumb img {
            width: 220px;
            height: 140px;
            object-fit: cover;
            display: block;
            transition: transform .4s ease;
        }

        .feature-row:hover .feature-thumb img {
            transform: scale(1.04);
        }

        .feature-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-meta-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .badge-cat {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            line-height: 1.5;
        }

        .feature-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .feature-date::before {
            content: "";
            display: inline-block;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--border);
            margin-right: 10px;
            vertical-align: middle;
        }

        .feature-content h3 {
            font-size: 19px;
            margin-bottom: 6px;
        }

        .feature-content h3 a {
            color: var(--text-primary);
            transition: color .2s ease;
        }

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

        .feature-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .feature-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .feature-more i {
            font-size: 13px;
            transition: transform .2s ease;
        }

        .feature-row:hover .feature-more i {
            transform: translateX(3px);
        }

        /* ===== 静态资讯 / 资料列表 ===== */
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .info-card {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
        }

        .info-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: #D3E2F0;
        }

        .info-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            background: var(--primary-soft);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            transition: background .2s ease, color .2s ease;
        }

        .info-card:hover .info-icon {
            background: var(--primary);
            color: #fff;
        }

        .info-main {
            flex: 1;
            min-width: 0;
        }

        .info-main h3 {
            font-size: 17px;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .info-main h3 a {
            color: var(--text-primary);
            transition: color .2s ease;
        }

        .info-main h3 a:hover {
            color: var(--primary);
        }

        .info-main p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.6;
        }

        .info-time {
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .info-arrow {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 50%;
            font-size: 14px;
            transition: background .2s ease, color .2s ease, transform .2s ease;
        }

        .info-card:hover .info-arrow {
            background: var(--primary);
            color: #fff;
            transform: translateX(3px);
        }

        /* ===== 相关推荐卡片 ===== */
        .reco-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .reco-thumb {
            display: block;
            height: 120px;
            overflow: hidden;
        }

        .reco-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .reco-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .reco-body h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }

        .reco-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.6;
        }

        .reco-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .reco-link i {
            font-size: 13px;
            margin-left: 4px;
            transition: transform .2s ease;
        }

        .reco-card:hover .reco-link i {
            transform: translateX(3px);
        }

        .reco-link-cover {
            position: absolute;
            inset: 0;
            z-index: 3;
        }

        /* ===== 收藏 / 分享 CTA ===== */
        .cta-favorite {
            background: var(--primary-soft);
            border-radius: 16px;
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-favorite::before {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(15, 181, 186, .08);
        }

        .cta-favorite::after {
            content: "";
            position: absolute;
            left: -20px;
            bottom: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(27, 110, 243, .07);
        }

        .cta-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            background: #fff;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-gold);
            box-shadow: 0 6px 18px rgba(18, 38, 58, .06);
            position: relative;
            z-index: 1;
        }

        .cta-favorite h2 {
            font-size: 26px;
            position: relative;
            z-index: 1;
        }

        .cta-favorite > p {
            max-width: 520px;
            margin: 12px auto 26px;
            color: var(--text-body);
            font-size: 15px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== 按钮 ===== */
        .brand-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            height: 46px;
            padding: 0 24px;
            font-size: 15px;
            transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        .brand-btn.primary {
            background: var(--primary);
            color: #fff;
        }

        .brand-btn.primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(27, 110, 243, .25);
        }

        .brand-btn.outline {
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-primary);
        }

        .brand-btn.outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #10233A;
            color: #A8B8C7;
            font-size: 14px;
        }

        .footer-inner {
            max-width: 1320px;
            margin: 0 auto;
            padding: 56px 40px 36px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 36px;
        }

        .footer-brand-block {
            padding-right: 20px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            transition: color .2s ease;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-brand .brand-mark {
            background: var(--primary);
            color: #fff;
        }

        .footer-desc {
            margin-top: 12px;
            font-size: 14px;
            line-height: 1.8;
            color: #A8B8C7;
            max-width: 320px;
        }

        .footer-col-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #A8B8C7;
            font-size: 14px;
            transition: color .2s ease;
        }

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

        .footer-tip {
            background: rgba(255, 255, 255, .06);
            border-radius: 12px;
            padding: 16px;
            font-size: 14px;
            line-height: 1.8;
            color: #A8B8C7;
        }

        .footer-tip i {
            color: var(--accent-gold);
            margin-right: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
        }

        .footer-bottom .container-custom {
            font-size: 13px;
            color: #7B8DA0;
        }

        .footer-bottom a {
            color: #A8B8C7;
            transition: color .2s ease;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .container-custom {
                padding: 0 28px;
            }

            .footer-inner {
                padding-left: 28px;
                padding-right: 28px;
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        @media (max-width: 991.98px) {
            .sidebar {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: auto;
                width: auto;
                height: 60px;
                background: #fff;
                border-right: none;
                border-bottom: 1px solid var(--border);
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                padding: 0 16px;
            }

            .sidebar-brand {
                padding: 0;
            }

            .sidebar-brand .brand-text {
                font-size: 18px;
            }

            .sidebar-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 40px;
                height: 40px;
                background: transparent;
                color: var(--text-primary);
                font-size: 18px;
                border-radius: 8px;
                transition: background .2s ease;
            }

            .sidebar-toggle:hover {
                background: var(--primary-soft);
                color: var(--primary);
            }

            .sidebar-nav {
                position: fixed;
                top: 60px;
                bottom: 0;
                left: 0;
                width: 240px;
                background: #fff;
                border-right: 1px solid var(--border);
                transform: translateX(-100%);
                transition: transform .32s ease;
                padding: 16px 14px;
                overflow-y: auto;
                z-index: 1050;
                box-shadow: 4px 0 20px rgba(18, 38, 58, .08);
            }

            .sidebar-nav.open {
                transform: translateX(0);
            }

            .nav-item-side.active {
                border-left-color: var(--primary);
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }

            .section-block {
                padding: 52px 0;
            }

            .hero-stats {
                gap: 24px;
            }

            .feature-thumb {
                flex: 0 0 190px;
            }

            .feature-thumb img {
                width: 190px;
                height: 130px;
            }

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

        @media (max-width: 767.98px) {
            .container-custom {
                padding: 0 16px;
            }

            .page-hero {
                min-height: 340px;
                padding: 44px 0;
            }

            .hero-stat {
                padding-right: 20px;
            }

            .section-head {
                margin-bottom: 26px;
            }

            .feature-row {
                flex-direction: column;
                padding: 16px;
            }

            .feature-thumb {
                flex: none;
            }

            .feature-thumb img {
                width: 100%;
                height: 180px;
            }

            .info-card {
                flex-wrap: wrap;
                padding: 18px 16px;
            }

            .info-main h3 {
                white-space: normal;
                font-size: 16px;
            }

            .info-main p {
                white-space: normal;
            }

            .info-time {
                margin-left: auto;
            }

            .cta-favorite {
                padding: 40px 22px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                padding: 44px 20px 28px;
            }

            .footer-brand-block {
                padding-right: 0;
            }
        }

        @media (max-width: 575.98px) {
            .hero-stats {
                flex-direction: column;
                gap: 14px;
            }

            .hero-stat {
                border-right: none;
                padding-right: 0;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .brand-btn {
                justify-content: center;
            }

            .footer-bottom .container-custom {
                font-size: 12px;
                text-align: center;
            }
        }