/* roulang page: index */
:root {
        --primary: #0C6B5C;
        --primary-dark: #084A40;
        --primary-light: #E6F2EF;
        --accent: #E8A13A;
        --ink: #16211F;
        --soft: #F6F5F2;
        --muted: #62706C;
        --border: #E4E7E3;
        --white: #FFFFFF;
        --radius: 18px;
        --radius-sm: 10px;
        --shadow-sm: 0 2px 8px rgba(14, 38, 32, 0.06);
        --shadow-md: 0 12px 32px rgba(14, 38, 32, 0.1);
        --shadow-lg: 0 24px 60px rgba(14, 38, 32, 0.12);
        --space-section: 7rem;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        background: var(--soft);
        color: var(--ink);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.25s ease, background 0.25s ease, transform 0.2s ease;
    }

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

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

    input,
    select {
        font-family: inherit;
    }

    .container-custom {
        max-width: 1440px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 2rem;
        padding-right: 2rem;
        width: 100%;
    }

    @media (max-width: 768px) {
        .container-custom {
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
    }

    .section-pad {
        padding-top: var(--space-section);
        padding-bottom: var(--space-section);
    }

    .section-pad-sm {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }

    .text-muted {
        color: var(--muted);
    }

    .section-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.85rem;
        letter-spacing: 0.08em;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        padding: 0.45rem 1rem;
        border-radius: 999px;
        margin-bottom: 1.25rem;
        text-transform: uppercase;
    }

    .section-title {
        font-size: clamp(1.7rem, 3.2vw, 2.8rem);
        line-height: 1.25;
        font-weight: 800;
        letter-spacing: -0.02em;
        color: var(--ink);
        margin-bottom: 1rem;
    }

    .section-subtitle {
        font-size: 1.06rem;
        color: var(--muted);
        max-width: 680px;
        line-height: 1.7;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: var(--primary);
        color: #fff;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.85rem 1.8rem;
        border-radius: 999px;
        box-shadow: 0 4px 16px rgba(12, 107, 92, 0.25);
        transition: all 0.3s ease;
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(12, 107, 92, 0.32);
    }

    .btn-primary:focus-visible {
        outline: 3px solid rgba(232, 161, 58, 0.5);
        outline-offset: 3px;
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        border: 1.5px solid var(--primary);
        color: var(--primary);
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.85rem 1.8rem;
        border-radius: 999px;
        transition: all 0.3s ease;
        background: transparent;
    }

    .btn-outline:hover {
        background: var(--primary-light);
        transform: translateY(-2px);
    }

    .card-base {
        background: var(--white);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

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

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        padding: 0.3rem 0.8rem;
        border-radius: 999px;
        white-space: nowrap;
    }

    .badge-accent {
        background: #FCE9CE;
        color: #B96E1B;
    }

    .list-check {
        list-style: none;
    }

    .list-check li {
        position: relative;
        padding-left: 1.75rem;
        margin-bottom: 0.7rem;
    }

    .list-check li::before {
        content: "\f00c";
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        position: absolute;
        left: 0;
        top: 2px;
        color: var(--primary);
        font-size: 0.85rem;
    }

    .side-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 260px;
        height: 100vh;
        background: var(--ink);
        color: #EDF1EF;
        z-index: 60;
        display: flex;
        flex-direction: column;
        padding: 1.7rem 1.4rem;
        overflow-y: auto;
        transition: transform 0.35s ease;
    }

    .side-nav .nav-logo {
        font-weight: 800;
        font-size: 1.05rem;
        letter-spacing: 0.02em;
        color: #fff;
        line-height: 1.4;
        display: flex;
        align-items: center;
        gap: 0.6rem;
        margin-bottom: 2.2rem;
        padding-bottom: 1.4rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    }

    .side-nav .nav-logo i {
        color: var(--accent);
        font-size: 1.4rem;
    }

    .side-nav .nav-item {
        display: flex;
        align-items: center;
        gap: 0.7rem;
        padding: 0.65rem 0.9rem;
        border-radius: var(--radius-sm);
        color: rgba(237, 241, 239, 0.75);
        font-size: 0.92rem;
        font-weight: 500;
        margin-bottom: 0.2rem;
        transition: all 0.2s ease;
    }

    .side-nav .nav-item:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
    }

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

    .side-nav .nav-foot {
        margin-top: auto;
        font-size: 0.75rem;
        color: rgba(237, 241, 239, 0.45);
        padding-top: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        line-height: 1.6;
    }

    .main-wrap {
        margin-left: 260px;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    .mobile-topbar {
        display: none;
        position: sticky;
        top: 0;
        z-index: 55;
        background: rgba(22, 33, 31, 0.96);
        backdrop-filter: blur(12px);
        padding: 0.9rem 1.25rem;
        align-items: center;
        justify-content: space-between;
    }

    .mobile-topbar .m-logo {
        color: #fff;
        font-weight: 700;
        font-size: 0.98rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .mobile-topbar .m-logo i {
        color: var(--accent);
    }

    .hamburger-btn {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.3rem;
        background: rgba(255, 255, 255, 0.1);
    }

    .mobile-drawer {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(10, 15, 14, 0.6);
        z-index: 65;
    }

    .mobile-drawer.open {
        display: block;
    }

    .mobile-drawer .drawer-panel {
        background: var(--ink);
        width: 280px;
        height: 100%;
        padding: 1.6rem 1.4rem;
        overflow-y: auto;
    }

    .mobile-drawer .close-btn {
        display: flex;
        justify-content: flex-end;
        color: #fff;
        font-size: 1.4rem;
        margin-bottom: 1.2rem;
        cursor: pointer;
    }

    .footer-dist {
        background: var(--ink);
        color: #C6CECB;
        margin-top: auto;
    }

    .hero-section {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #1B8A78 100%);
        color: #fff;
        border-radius: 0 0 32px 32px;
        position: relative;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: -40%;
        right: -10%;
        width: 480px;
        height: 480px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 65%);
        pointer-events: none;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 6px;
        background: var(--accent);
        opacity: 0.7;
    }

    .hero-bg-placeholder {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        opacity: 0.14;
        pointer-events: none;
    }

    .stat-card {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.18);
        backdrop-filter: blur(8px);
        border-radius: var(--radius);
        padding: 1.5rem 1.2rem;
        text-align: center;
        transition: all 0.3s ease;
        position: relative;
        z-index: 1;
    }

    .stat-card:hover {
        background: rgba(255, 255, 255, 0.18);
        transform: translateY(-4px);
    }

    .stat-card .num {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1.2;
    }

    .stat-card .label {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.75);
        margin-top: 0.35rem;
    }

    .feature-card {
        padding: 1.8rem 1.6rem;
        position: relative;
        overflow: hidden;
    }

    .feature-card .feat-icon {
        width: 54px;
        height: 54px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        margin-bottom: 1rem;
        background: var(--primary-light);
        color: var(--primary);
    }

    .category-card {
        border-radius: 22px;
        overflow: hidden;
        position: relative;
        min-height: 250px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        padding: 0;
        background-size: cover;
        background-position: center;
        box-shadow: var(--shadow-sm);
        transition: transform 0.35s ease, box-shadow 0.35s ease;
    }

    .category-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(10, 25, 22, 0) 25%, rgba(10, 25, 22, 0.75) 100%);
        z-index: 1;
        transition: background 0.3s ease;
    }

    .category-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }

    .category-card .cat-body {
        position: relative;
        z-index: 2;
        padding: 1.5rem;
        color: #fff;
    }

    .category-card .cat-title {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 0.3rem;
    }

    .category-card .cat-text {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.8);
    }

    .timeline-list {
        position: relative;
        list-style: none;
        padding-left: 1.6rem;
    }

    .timeline-list::before {
        content: '';
        position: absolute;
        left: 6px;
        top: 6px;
        bottom: 6px;
        width: 2px;
        background: var(--primary-light);
    }

    .timeline-list li {
        position: relative;
        padding-bottom: 1.8rem;
    }

    .timeline-list li::before {
        content: '';
        position: absolute;
        left: -1.52rem;
        top: 8px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--primary);
        border: 3px solid #fff;
        box-shadow: 0 0 0 2px var(--primary-light);
    }

    .tl-title {
        font-weight: 700;
        font-size: 1.05rem;
        margin-bottom: 0.2rem;
    }

    .faq-item {
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 1.25rem 1.5rem;
        background: #fff;
        margin-bottom: 1rem;
        box-shadow: var(--shadow-sm);
    }

    .faq-item summary {
        font-weight: 700;
        font-size: 1rem;
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .faq-item summary::after {
        content: "\f078";
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 0.8rem;
        color: var(--primary);
        transition: transform 0.3s ease;
    }

    .faq-item[open] summary::after {
        transform: rotate(180deg);
    }

    .faq-item .ans {
        color: var(--muted);
        margin-top: 0.85rem;
        font-size: 0.95rem;
        padding-top: 0.85rem;
        border-top: 1px dashed var(--border);
    }

    .cta-banner {
        background: linear-gradient(110deg, var(--primary-dark) 0%, var(--primary) 70%);
        border-radius: 28px;
        padding: 3.2rem 3rem;
        position: relative;
        overflow: hidden;
        color: #fff;
    }

    .cta-banner::after {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.08);
    }

    .cta-banner .btn-light {
        background: #fff;
        color: var(--primary-dark);
        padding: 0.9rem 2.2rem;
        border-radius: 999px;
        font-weight: 700;
        transition: all 0.3s ease;
    }

    .cta-banner .btn-light:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .hero-card-grid {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 2.5rem;
        align-items: center;
    }

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

    .hero-showcase img {
        border-radius: 24px;
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .floating-badge {
        position: absolute;
        bottom: 1.4rem;
        left: -1.2rem;
        background: rgba(255, 255, 255, 0.94);
        color: var(--ink);
        border-radius: 14px;
        box-shadow: var(--shadow-lg);
        padding: 0.85rem 1.2rem;
        font-weight: 600;
        font-size: 0.85rem;
        display: flex;
        align-items: center;
        gap: 0.6rem;
        backdrop-filter: blur(8px);
    }

    .floating-badge i {
        color: var(--accent);
        font-size: 1.3rem;
    }

    .news-list-item {
        padding: 1.2rem 1.4rem;
        border-radius: 14px;
        border: 1px solid transparent;
        transition: all 0.25s ease;
        background: #fff;
        box-shadow: 0 1px 3px rgba(14, 38, 32, 0.04);
    }

    .news-list-item:hover {
        border-color: var(--border);
        transform: translateX(4px);
        box-shadow: var(--shadow-sm);
    }

    .news-list-item .news-date {
        font-size: 0.78rem;
        color: var(--muted);
    }

    .news-list-item .news-title {
        font-weight: 700;
        font-size: 0.98rem;
        margin-top: 0.2rem;
    }

    .news-list-item .news-sum {
        font-size: 0.85rem;
        color: var(--muted);
        margin-top: 0.3rem;
    }

    .category-chip {
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 0.75rem;
        font-weight: 600;
        padding: 0.2rem 0.7rem;
        border-radius: 999px;
    }

    .cover-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.8rem;
    }

    @media (max-width: 1200px) {
        .cover-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        .side-nav {
            display: none;
        }
        .main-wrap {
            margin-left: 0;
        }
        .mobile-topbar {
            display: flex;
        }
        .hero-card-grid {
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .cover-grid {
            grid-template-columns: 1fr;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr) !important;
        }
        .section-pad {
            padding-top: 4.5rem;
            padding-bottom: 4.5rem;
        }
        .floating-badge {
            left: 0.6rem;
        }
        .cta-banner {
            padding: 2rem 1.5rem;
            border-radius: 20px;
        }
    }

    @media (max-width: 520px) {
        .stats-grid {
            grid-template-columns: 1fr 1fr !important;
            gap: 0.8rem;
        }
        .stat-card {
            padding: 1rem 0.75rem;
        }
        .stat-card .num {
            font-size: 1.5rem;
        }
        .hero-section {
            border-radius: 0 0 20px 20px;
        }
    }

    .pagination-info {
        font-size: 0.85rem;
        color: var(--muted);
    }

    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 0.6rem;
    }

    .tag-cloud a {
        background: var(--soft);
        border: 1px solid var(--border);
        border-radius: 999px;
        font-size: 0.8rem;
        padding: 0.35rem 0.9rem;
        color: var(--muted);
        transition: all 0.2s ease;
    }

    .tag-cloud a:hover {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 3rem;
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 2rem;
        }
    }

    .footer-links a {
        display: block;
        color: rgba(255, 255, 255, 0.65);
        padding: 0.3rem 0;
        font-size: 0.9rem;
    }

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

    .backpic-banner {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        opacity: 0.06;
        pointer-events: none;
    }

/* roulang page: category1 */
:root {
            --primary: #1a2e4a;
            --accent: #e8794a;
            --bg-soft: #f6f5f1;
            --ink: #1d2b3a;
            --ink-weak: #5c6b7a;
            --border: #e2e0da;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(26, 46, 74, 0.06);
            --shadow-hover: 0 12px 32px rgba(26, 46, 74, 0.12);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: #fff;
            color: var(--ink);
            line-height: 1.65;
            font-size: 16px;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

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

        /* 左侧导航 */
        .sidebar {
            width: 250px;
            background: var(--primary);
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            z-index: 50;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            padding: 1.8rem 1.5rem 1.2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .sidebar-brand .logo-text {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .sidebar-brand .logo-text i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .sidebar-nav {
            flex: 1;
            padding: 1.5rem 0.8rem;
        }
        .sidebar-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.85rem 1rem;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.25s ease;
            margin-bottom: 0.25rem;
        }
        .sidebar-nav .nav-item i {
            width: 24px;
            text-align: center;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.25s ease;
        }
        .sidebar-nav .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .sidebar-nav .nav-item:hover i {
            color: var(--accent);
        }
        .sidebar-nav .nav-item.active {
            background: linear-gradient(135deg, rgba(232, 121, 74, 0.25), rgba(232, 121, 74, 0.08));
            color: #fff;
            font-weight: 600;
        }
        .sidebar-nav .nav-item.active i {
            color: var(--accent);
        }
        .sidebar-footnote {
            padding: 1.2rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 移动端顶部导航 */
        .mobile-topbar {
            display: none;
            background: var(--primary);
            padding: 0.9rem 1.2rem;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .logo-text {
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .mobile-topbar .logo-text i {
            color: var(--accent);
        }
        .mobile-menu-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 0.25rem;
        }
        .mobile-dropdown {
            display: none;
            position: fixed;
            top: 52px;
            left: 0;
            right: 0;
            background: var(--primary);
            padding: 1rem 1.2rem 1.4rem;
            z-index: 55;
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18);
            border-radius: 0 0 18px 18px;
        }
        .mobile-dropdown.open {
            display: block;
        }
        .mobile-dropdown .nav-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            color: rgba(255, 255, 255, 0.8);
            padding: 0.7rem 0.9rem;
            border-radius: 10px;
            font-size: 0.95rem;
        }
        .mobile-dropdown .nav-item.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-dropdown .nav-item i {
            width: 22px;
            text-align: center;
            color: var(--accent);
        }

        /* 主内容区 */
        .main-content {
            flex: 1;
            margin-left: 250px;
            display: flex;
            flex-direction: column;
        }

        /* 通用容器 */
        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        /* 内页Banner */
        .page-banner {
            position: relative;
            padding: 6.5rem 0 4rem;
            background: linear-gradient(135deg, #16283d 0%, #1d3a5a 60%, #25476b 100%);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 320px;
            height: 160px;
            background: radial-gradient(circle, rgba(232, 121, 74, 0.35), transparent 70%);
            border-radius: 50%;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 0.35rem 0.9rem;
            font-size: 0.8rem;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.18);
            margin-bottom: 1rem;
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 0.8rem;
        }
        .page-banner p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background: var(--bg-soft);
            border-bottom: 1px solid var(--border);
            padding: 0.8rem 0;
            font-size: 0.82rem;
            color: var(--ink-weak);
        }
        .breadcrumb-bar a {
            color: var(--ink-weak);
        }
        .breadcrumb-bar a:hover {
            color: var(--accent);
        }

        /* 板块通用 */
        .section-block {
            padding: 4.5rem 0;
        }
        .section-id-sm {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.35;
            margin-bottom: 1rem;
        }
        .section-lead {
            color: var(--ink-weak);
            font-size: 0.95rem;
            max-width: 640px;
            line-height: 1.75;
            margin-bottom: 2rem;
        }

        /* 步骤卡片 */
        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            height: 100%;
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 121, 74, 0.4);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent), #f29c74);
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            margin-bottom: 1.2rem;
            box-shadow: 0 6px 16px rgba(232, 121, 74, 0.35);
        }
        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--ink);
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--ink-weak);
            line-height: 1.7;
        }

        /* 信息卡片 */
        .info-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 0.3rem;
            transition: box-shadow 0.3s ease;
            height: 100%;
        }
        .info-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .info-card .info-body {
            padding: 1.3rem 1.3rem 0.5rem;
        }
        .info-card .info-body .tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(232, 121, 74, 0.08);
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            margin-bottom: 0.8rem;
        }
        .info-card h3 {
            font-size: 0.98rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 0.4rem;
            color: var(--ink);
        }
        .info-card p {
            font-size: 0.85rem;
            color: var(--ink-weak);
            line-height: 1.7;
        }
        .info-card .info-foot {
            padding: 0.8rem 1.3rem 1.3rem;
            display: flex;
            align-items: center;
            font-size: 0.75rem;
            color: rgba(92, 107, 122, 0.7);
            border-top: 1px solid #f2f0eb;
            margin-top: 0.8rem;
        }

        /* 图片+文字区块 */
        .content-zone {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .content-zone .zone-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .content-zone .zone-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .zone-body .zone-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(232, 121, 74, 0.08);
            border-radius: 999px;
            padding: 0.3rem 0.8rem;
            margin-bottom: 1rem;
        }
        .zone-body h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 1rem;
        }
        .zone-body p {
            font-size: 0.92rem;
            color: var(--ink-weak);
            line-height: 1.75;
            margin-bottom: 1.2rem;
        }
        .zone-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .zone-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            padding: 0.55rem 0;
            font-size: 0.9rem;
            color: var(--ink);
        }
        .zone-list li i {
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 0.2rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 0.9rem;
            overflow: hidden;
            background: #fff;
            transition: box-shadow 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 0.94rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--ink);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--accent);
            font-size: 0.7rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.88rem;
            line-height: 1.75;
            color: var(--ink-weak);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.9rem 1.8rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 14px rgba(232, 121, 74, 0.3);
        }
        .btn-primary:hover {
            background: #d96a3d;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 121, 74, 0.4);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--ink);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.85rem 1.6rem;
            border-radius: 999px;
            border: 1.5px solid var(--border);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* CTA */
        .cta-zone {
            background: linear-gradient(135deg, var(--primary) 0%, #24405f 100%);
            border-radius: 24px;
            padding: 3rem 3.5rem;
            position: relative;
            overflow: hidden;
        }
        .cta-zone::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(232, 121, 74, 0.3), transparent 70%);
            border-radius: 50%;
        }
        .cta-zone h2 {
            color: #fff;
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }
        .cta-zone p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            max-width: 440px;
            line-height: 1.7;
        }

        /* 深色板块 */
        .dark-section {
            background: var(--primary);
            color: #fff;
        }

        /* 页脚 */
        .footer-dist {
            background: #132030;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 2.5rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }

        /* 统计数字 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }
        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 1.3rem 1rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stat-item .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
        }
        .stat-item .label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 0.2rem;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
            .content-zone {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
            .page-banner {
                padding: 5rem 0 3rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .cta-zone {
                padding: 2rem 1.5rem;
                border-radius: 18px;
            }
            .stats-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.6rem;
            }
            .stat-item {
                padding: 1rem 0.5rem;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .step-card {
                padding: 1.4rem 1.2rem;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .page-banner h1 {
                font-size: 1.25rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #0b1626;
            --primary-light: #172a40;
            --accent: #e8a33d;
            --accent-light: #f4c877;
            --bg-soft: #f3f5f8;
            --text-main: #26334a;
            --text-muted: #748199;
            --border-light: #e5e9f0;
            --card-bg: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.14);
            --sp: 1.2rem;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: #f8fafc;
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            position: relative;
            z-index: 2;
        }
        /* ========== 左侧导航 ========== */
        .app-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            width: 280px;
            height: 100vh;
            background: linear-gradient(180deg, #0c1a2e 0%, #0b1626 60%, #0f1f35 100%);
            z-index: 60;
            display: flex;
            flex-direction: column;
            padding: 1.8rem 1.2rem 1.5rem;
            box-shadow: 4px 0 30px rgba(10, 20, 35, 0.25);
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            color: #fff;
            font-weight: 800;
            font-size: 1.08rem;
            padding: 0 0.5rem 1.6rem;
            letter-spacing: 0.02em;
        }
        .sidebar-brand i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
            margin-top: 0.4rem;
        }
        .sidebar-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.85rem 1.1rem;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.72);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }
        .sidebar-nav .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateX(3px);
        }
        .sidebar-nav .nav-item:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .sidebar-nav .nav-item.active {
            background: linear-gradient(135deg, rgba(232, 163, 61, 0.25), rgba(232, 163, 61, 0.12));
            color: var(--accent-light);
            font-weight: 600;
            border-color: rgba(232, 163, 61, 0.25);
        }
        .sidebar-nav .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
        }
        .sidebar-footer {
            padding: 1rem 0.5rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
            text-align: left;
        }
        /* ========== 主内容区 ========== */
        .app-main {
            margin-left: 280px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: #f8fafc;
        }
        /* ========== 文章 Banner ========== */
        .article-hero {
            position: relative;
            padding: 5.2rem 0 4.2rem;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 22, 38, 0.92) 0%, rgba(11, 22, 38, 0.78) 55%, rgba(11, 22, 38, 0.55) 100%);
        }
        .article-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.4rem;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s;
        }
        .hero-breadcrumb a:hover {
            color: var(--accent-light);
        }
        .hero-breadcrumb .sep {
            opacity: 0.4;
        }
        .article-hero-title {
            font-size: clamp(1.5rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }
        .article-hero-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            max-width: 680px;
            margin: 0 auto 1.6rem;
            line-height: 1.7;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 1.8rem;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            flex-wrap: wrap;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }
        .hero-meta i {
            color: var(--accent);
        }
        /* ========== 文章主体区 ========== */
        .article-section {
            padding: 3.5rem 0 2rem;
        }
        .article-main {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 2.2rem 2.5rem 2.5rem;
            max-width: 920px;
            margin: 0 auto;
            border: 1px solid rgba(229, 233, 240, 0.6);
        }
        .article-cover {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 2rem;
        }
        .article-cover img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-cover img:hover {
            transform: scale(1.02);
        }
        /* 正文排版 */
        .article-body {
            font-size: 1.03rem;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid var(--border-light);
            color: #16253c;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 1.22rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #1b2b45;
            line-height: 1.45;
        }
        .article-body p {
            margin: 0 0 1.4rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.4rem;
            padding-left: 1.5rem;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.55rem;
        }
        .article-body ul li::marker {
            color: var(--accent);
        }
        .article-body img {
            border-radius: 14px;
            margin: 1.6rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            background: #faf7f0;
            border-left: 4px solid var(--accent);
            padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.7rem 0;
            color: #4a5568;
            font-size: 0.98rem;
            line-height: 1.75;
        }
        .article-body a {
            color: #c27a1f;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }
        .article-body a:hover {
            color: var(--primary);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .article-body th,
        .article-body td {
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-light);
            text-align: left;
        }
        .article-body th {
            background: var(--bg-soft);
            font-weight: 600;
        }
        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 4rem 2rem;
        }
        .empty-state i {
            font-size: 3rem;
            color: #c3cbd8;
            margin-bottom: 1.2rem;
        }
        .empty-state h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.6rem;
        }
        .empty-state p {
            color: var(--text-muted);
            margin-bottom: 1.6rem;
        }
        /* ========== 文章底部 ========== */
        .article-footerbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2.4rem;
            padding-top: 1.8rem;
            border-top: 1px solid var(--border-light);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .article-tags .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: var(--bg-soft);
            color: #51607a;
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.35rem 0.9rem;
            border-radius: 30px;
            border: 1px solid var(--border-light);
            transition: all 0.2s;
        }
        .article-tags .tag-chip:hover {
            background: #fff;
            border-color: var(--accent);
            color: var(--accent);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-share span {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-right: 0.3rem;
        }
        .article-share a {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-soft);
            color: #51607a;
            font-size: 0.9rem;
            border: 1px solid var(--border-light);
            transition: all 0.25s;
        }
        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        /* ========== 相关阅读 ========== */
        .related-section {
            max-width: 920px;
            margin: 3rem auto 0;
            padding: 0 1.5rem;
        }
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.6rem;
        }
        .section-head h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #16253c;
            position: relative;
            padding-left: 1rem;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: var(--accent);
            border-radius: 4px;
        }
        .section-head .section-more {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: color 0.2s;
        }
        .section-head .section-more:hover {
            color: var(--accent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .related-card {
            background: #fff;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid rgba(229, 233, 240, 0.8);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: block;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 163, 61, 0.4);
        }
        .related-card .related-cover {
            height: 150px;
            overflow: hidden;
        }
        .related-card .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-cover img {
            transform: scale(1.05);
        }
        .related-card .related-info {
            padding: 1.1rem 1.2rem 1.3rem;
        }
        .related-card .badge {
            display: inline-block;
            background: rgba(232, 163, 61, 0.12);
            color: #c27a1f;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            margin-bottom: 0.55rem;
        }
        .related-card h3 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 0.45rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.7rem;
        }
        .related-card time {
            font-size: 0.75rem;
            color: #9aa6ba;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        /* ========== FAQ ========== */
        .faq-section {
            max-width: 920px;
            margin: 3.5rem auto 0;
            padding: 0 1.5rem;
        }
        .faq-section .section-head h2 {
            font-size: 1.4rem;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1.5rem;
        }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.3s;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-toggle {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.1rem 1.4rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: #fff;
            transition: background 0.2s;
        }
        .faq-toggle:hover {
            background: #fafafb;
        }
        .faq-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-toggle i {
            color: var(--accent);
            font-size: 0.85rem;
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 1rem;
        }
        .faq-item.open .faq-toggle i {
            transform: rotate(135deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            background: #fbfbfc;
        }
        .faq-answer-inner {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.92rem;
            line-height: 1.8;
            color: #51607a;
            border-top: 1px solid #f0f2f6;
            padding-top: 0.9rem;
        }
        /* ========== CTA ========== */
        .cta-section {
            max-width: 920px;
            margin: 3.5rem auto 0;
            padding: 0 1.5rem 2rem;
        }
        .cta-card {
            position: relative;
            border-radius: 20px;
            padding: 3rem 2.5rem;
            background: linear-gradient(135deg, #0c1a2e 0%, #142c4a 60%, #1a365d 100%);
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 163, 61, 0.2), transparent 70%);
            top: -120px;
            right: -60px;
        }
        .cta-card h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 0.6rem;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.98rem;
            max-width: 480px;
            margin: 0 auto 1.8rem;
            position: relative;
            z-index: 1;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            position: relative;
            z-index: 1;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #0b1626;
            font-weight: 700;
            font-size: 0.92rem;
            padding: 0.75rem 1.8rem;
            border-radius: 40px;
            transition: all 0.25s;
            box-shadow: 0 4px 20px rgba(232, 163, 61, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(232, 163, 61, 0.45);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            padding: 0.75rem 1.6rem;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all 0.25s;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.45);
            transform: translateY(-2px);
        }
        /* ========== footer ========== */
        .footer-dist {
            background: #0b1626;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color 0.2s, transform 0.2s;
        }
        .footer-links a:hover {
            color: var(--accent-light);
            transform: translateX(3px);
        }
        /* ========== 响应式 ========== */
        @media (max-width: 1280px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 1024px) {
            .app-sidebar {
                position: sticky;
                top: 0;
                width: 100%;
                height: auto;
                flex-direction: row;
                align-items: center;
                padding: 0.8rem 1rem;
                box-shadow: 0 2px 20px rgba(10, 20, 35, 0.2);
                overflow-x: auto;
            }
            .sidebar-brand {
                padding: 0 1rem 0 0;
                font-size: 0.95rem;
                flex-shrink: 0;
            }
            .sidebar-brand i {
                font-size: 1.1rem;
            }
            .sidebar-nav {
                flex-direction: row;
                gap: 0.3rem;
                margin-top: 0;
                flex-wrap: nowrap;
                overflow-x: auto;
                scrollbar-width: none;
            }
            .sidebar-nav::-webkit-scrollbar {
                display: none;
            }
            .sidebar-nav .nav-item {
                padding: 0.55rem 0.9rem;
                white-space: nowrap;
                font-size: 0.88rem;
            }
            .sidebar-nav .nav-item:hover {
                transform: translateY(-1px);
            }
            .sidebar-footer {
                display: none;
            }
            .app-main {
                margin-left: 0;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
            .article-hero {
                padding: 3.5rem 0 2.8rem;
            }
            .article-hero-title {
                font-size: 1.4rem;
            }
            .article-hero-desc {
                font-size: 0.9rem;
            }
            .hero-meta {
                gap: 1rem;
            }
            .article-section {
                padding: 2rem 0 1.5rem;
            }
            .article-main {
                padding: 1.5rem 1.2rem 1.8rem;
                border-radius: 12px;
            }
            .article-cover img {
                height: 210px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .article-footerbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-card {
                padding: 2rem 1.4rem;
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
            .faq-toggle {
                padding: 0.9rem 1.1rem;
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 1.1rem 1rem;
            }
        }
        @media (max-width: 520px) {
            .sidebar-brand span {
                display: none;
            }
            .sidebar-brand {
                padding-right: 0.5rem;
            }
            .sidebar-nav .nav-item {
                font-size: 0.82rem;
                padding: 0.5rem 0.7rem;
            }
            .hero-breadcrumb {
                font-size: 0.78rem;
            }
            .article-body {
                font-size: 0.98rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a2a3a;
            --primary-light: #2b4c7e;
            --accent: #e8a33d;
            --accent-light: #f0c069;
            --bg-main: #f7f5f0;
            --bg-card: #ffffff;
            --bg-dark: #1e2430;
            --text-main: #24292f;
            --text-weak: #7a8290;
            --border-soft: #e8e4dc;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 24px 48px rgba(0,0,0,0.12);
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg-main);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: all .3s ease; }
        button { font-family: inherit; cursor: pointer; }
        img { max-width: 100%; display: block; }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* ===== 左侧竖向导航 ===== */
        .sidebar {
            background: var(--bg-dark);
            color: #fff;
            padding: 2rem 1.5rem;
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            width: 264px;
            display: flex;
            flex-direction: column;
            z-index: 60;
            overflow-y: auto;
            border-right: 1px solid rgba(255,255,255,0.06);
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-weight: 800;
            font-size: 1.05rem;
            padding: 0.5rem 0.6rem;
            margin-bottom: 2.4rem;
            color: #fff;
            line-height: 1.4;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding-bottom: 1.4rem;
        }
        .sidebar-brand i { color: var(--accent); font-size: 1.3rem; flex-shrink: 0; }
        .sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 0.35rem; }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.78rem 1rem;
            border-radius: 12px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255,255,255,0.72);
            transition: all .3s ease;
            border: 1px solid transparent;
        }
        .nav-item i { width: 1.2rem; text-align: center; color: rgba(255,255,255,0.5); transition: all .3s ease; }
        .nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; transform: translateX(2px); }
        .nav-item.active { background: rgba(232,163,61,0.14); color: var(--accent); font-weight: 700; border-color: rgba(232,163,61,0.2); }
        .nav-item.active i { color: var(--accent); }
        .sidebar-foot { padding: 1.2rem 0.6rem 0; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.72rem; color: rgba(255,255,255,0.35); margin-top: 2rem; }

        /* ===== 移动端顶部导航 ===== */
        .mobile-header { display: none; background: var(--bg-dark); padding: 0.9rem 1.25rem; position: sticky; top: 0; z-index: 55; }
        .mobile-header-inner { display: flex; align-items: center; justify-content: space-between; }
        .mobile-brand { display: flex; align-items: center; gap: 0.6rem; color: #fff; font-weight: 700; font-size: 0.9rem; }
        .mobile-brand i { color: var(--accent); }
        .hamburger-btn { background: none; border: none; color: #fff; font-size: 1.3rem; padding: 0.3rem; }
        .mobile-nav { display: none; padding-top: 1rem; flex-direction: column; gap: 0.3rem; }
        .mobile-nav.open { display: flex; }

        /* ===== 主内容区 ===== */
        .main-content { margin-left: 264px; min-height: 100vh; display: flex; flex-direction: column; }

        /* ===== 页面横幅 ===== */
        .page-banner {
            position: relative;
            padding: 4.5rem 3rem;
            background: linear-gradient(135deg, #141e2c 0%, #1f3a5f 55%, #2b4c7e 100%);
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -30px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 45px solid rgba(232,163,61,0.12);
            pointer-events: none;
        }
        .banner-content { position: relative; z-index: 2; max-width: 680px; }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.75rem;
            backdrop-filter: blur(10px);
            margin-bottom: 1.4rem;
            letter-spacing: 0.04em;
        }
        .banner-content h1 { font-size: 2.6rem; font-weight: 800; line-height: 1.22; margin-bottom: 1rem; letter-spacing: -0.01em; }
        .banner-content p { font-size: 1rem; opacity: 0.85; line-height: 1.75; max-width: 560px; }

        /* ===== 板块通用 ===== */
        .section-block { padding: 5rem 0; }
        .section-white { background: #fff; }
        .section-soft { background: var(--bg-main); }
        .section-dark { background: var(--bg-dark); color: #fff; }
        .section-head { margin-bottom: 2.8rem; }
        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(232,163,61,0.13);
            padding: 0.3rem 0.85rem;
            border-radius: 50px;
            margin-bottom: 0.9rem;
            text-transform: uppercase;
        }
        .section-title { font-size: 1.9rem; font-weight: 750; line-height: 1.3; margin-bottom: 0.8rem; }
        .section-desc { color: var(--text-weak); font-size: 0.93rem; max-width: 620px; line-height: 1.75; }
        .section-dark .section-tag { background: rgba(232,163,61,0.2); color: var(--accent-light); }
        .section-dark .section-desc { color: rgba(255,255,255,0.6); }

        /* ===== 新闻卡片 ===== */
        .grid-news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
        .news-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: all .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
        .news-card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
        .news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
        .news-card:hover .news-card-img img { transform: scale(1.06); }
        .news-card-tag { position: absolute; top: 0.9rem; left: 0.9rem; background: var(--accent); color: #1a1a1a; font-size: 0.68rem; font-weight: 700; padding: 0.22rem 0.7rem; border-radius: 50px; z-index: 2; box-shadow: 0 2px 8px rgba(0,0,0,0.18); }
        .news-card-body { padding: 1.4rem 1.4rem 1.5rem; flex: 1; display: flex; flex-direction: column; gap: 0.5rem; }
        .news-card-meta { display: flex; align-items: center; gap: 0.9rem; font-size: 0.74rem; color: var(--text-weak); }
        .news-card-meta i { margin-right: 0.25rem; }
        .news-card-title { font-size: 1.02rem; font-weight: 700; line-height: 1.5; color: var(--text-main); }
        .news-card-title:hover { color: var(--primary-light); }
        .news-card-desc { font-size: 0.86rem; color: var(--text-weak); line-height: 1.65; flex: 1; }
        .news-card-link { font-size: 0.84rem; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 0.4rem; }
        .news-card-link:hover { gap: 0.7rem; color: var(--accent); }

        /* ===== 专题列表 ===== */
        .topic-list { display: grid; gap: 1rem; }
        .topic-item {
            display: flex;
            align-items: center;
            gap: 1.3rem;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            padding: 1.3rem 1.5rem;
            transition: all .35s ease;
            box-shadow: var(--shadow-sm);
        }
        .topic-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateX(6px); }
        .topic-icon { width: 52px; height: 52px; border-radius: 15px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.15rem; flex-shrink: 0; }
        .topic-info { flex: 1; }
        .topic-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
        .topic-info p { font-size: 0.82rem; color: var(--text-weak); line-height: 1.5; }
        .topic-meta { font-size: 0.74rem; color: var(--text-weak); white-space: nowrap; background: var(--bg-main); padding: 0.3rem 0.8rem; border-radius: 50px; }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
        .stat-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius);
            padding: 1.8rem 1.4rem;
            text-align: center;
            transition: all .35s ease;
        }
        .stat-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-3px); border-color: rgba(232,163,61,0.3); }
        .stat-num { font-size: 2.3rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .stat-label { font-size: 0.84rem; color: rgba(255,255,255,0.72); margin-top: 0.4rem; }

        /* ===== 时间线 ===== */
        .timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 2.2rem; }
        .timeline::before { content: ''; position: absolute; left: 0.5rem; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--accent), rgba(232,163,61,0.2)); }
        .timeline-item { position: relative; margin-bottom: 1.6rem; }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.2rem;
            top: 0.55rem;
            width: 1rem;
            height: 1rem;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--accent);
            box-shadow: 0 0 0 4px rgba(232,163,61,0.15);
        }
        .timeline-time { font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 0.25rem; letter-spacing: 0.03em; }
        .timeline-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
        .timeline-desc { font-size: 0.86rem; color: var(--text-weak); line-height: 1.6; }

        /* ===== 深度报道 ===== */
        .feature-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-md);
        }
        .feature-img { position: relative; min-height: 340px; }
        .feature-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
        .feature-body { padding: 2.5rem 2.5rem 2.5rem 0; }
        .feature-body .section-tag { margin-bottom: 0.6rem; }
        .feature-body h3 { font-size: 1.4rem; font-weight: 750; line-height: 1.4; margin-bottom: 0.8rem; }
        .feature-body p { font-size: 0.9rem; color: var(--text-weak); line-height: 1.75; margin-bottom: 1.2rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 0.7rem; }
        .faq-item { background: #fff; border: 1px solid var(--border-soft); border-radius: 14px; overflow: hidden; transition: all .3s ease; }
        .faq-item:hover { border-color: var(--accent-light); box-shadow: var(--shadow-sm); }
        .faq-question { display: flex; justify-content: space-between; align-items: center; padding: 1.15rem 1.4rem; font-weight: 600; font-size: 0.92rem; cursor: pointer; gap: 1rem; }
        .faq-question i { color: var(--accent); font-size: 0.85rem; transition: transform .35s ease; flex-shrink: 0; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer { display: none; padding: 0 1.4rem 1.2rem; font-size: 0.88rem; color: var(--text-weak); line-height: 1.75; }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, #16222e 0%, var(--primary-light) 100%);
            border-radius: 24px;
            padding: 3.2rem 3rem;
            position: relative;
            overflow: hidden;
            color: #fff;
            text-align: center;
        }
        .cta-box::before { content: ''; position: absolute; top: -80px; right: -60px; width: 240px; height: 240px; border-radius: 50%; background: rgba(232,163,61,0.18); }
        .cta-box::after { content: ''; position: absolute; bottom: -100px; left: -40px; width: 200px; height: 200px; border-radius: 50%; border: 32px solid rgba(255,255,255,0.05); }
        .cta-box h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 0.7rem; position: relative; z-index: 2; }
        .cta-box p { opacity: 0.85; max-width: 520px; margin: 0 auto 1.8rem; font-size: 0.95rem; position: relative; z-index: 2; }
        .cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; position: relative; z-index: 2; }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            padding: 0.72rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all .3s ease;
            border: none;
        }
        .btn-accent { background: var(--accent); color: #1a1a1a; }
        .btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(232,163,61,0.35); }
        .btn-outline-light { background: transparent; border: 1.5px solid rgba(255,255,255,0.45); color: #fff; }
        .btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-2px); }

        /* ===== 页脚 ===== */
        .footer-dist { background: var(--bg-dark); color: rgba(255,255,255,0.8); margin-top: auto; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; }
        .footer-links { display: flex; flex-direction: column; gap: 0.55rem; }
        .footer-links a { font-size: 0.84rem; color: rgba(255,255,255,0.6); transition: all .3s ease; display: inline-flex; align-items: center; }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }

        /* ===== 焦点 ===== */
        a:focus-visible, button:focus-visible { outline: 3px solid rgba(232,163,61,0.5); outline-offset: 2px; border-radius: 4px; }

        /* ===== 波形装饰 ===== */
        .wave-top { height: 64px; overflow: hidden; line-height: 0; }
        .wave-top svg { display: block; width: 100%; height: 100%; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-news { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-box { grid-template-columns: 1fr; }
            .feature-img { min-height: 240px; }
            .feature-body { padding: 2rem 2rem 2.5rem; }
            .container-custom { padding: 0 1.5rem; }
        }
        @media (max-width: 768px) {
            .sidebar { display: none; }
            .mobile-header { display: block; }
            .main-content { margin-left: 0; }
            .page-banner { padding: 3rem 1.5rem; }
            .page-banner h1 { font-size: 1.8rem; }
            .section-block { padding: 3.2rem 0; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
            .container-custom { padding: 0 1.25rem; }
        }
        @media (max-width: 520px) {
            .grid-news { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
            .stat-card { padding: 1.3rem 0.8rem; }
            .stat-num { font-size: 1.6rem; }
            .cta-box { padding: 2.2rem 1.4rem; }
            .topic-item { flex-direction: column; align-items: flex-start; gap: 0.7rem; }
            .topic-meta { white-space: normal; }
            .timeline { padding-left: 1.6rem; }
            .timeline-item::before { left: -1.6rem; width: 0.8rem; height: 0.8rem; }
            .banner-badge { font-size: 0.68rem; }
        }

/* roulang page: category3 */
:root {
    --primary: #1e3a5f;
    --primary-dark: #142a47;
    --accent: #e67e22;
    --accent-hover: #d35400;
    --bg: #f6f7f9;
    --bg-soft: #eef1f5;
    --text: #1f2a3d;
    --text-light: #5a6577;
    --border: #e2e7ed;
    --radius: 14px;
    --shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 14px 40px rgba(0, 0, 0, 0.1);
    --space: 5rem;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
ul { list-style: none; }
.container-custom {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}
/* ===== 侧边导航（桌面） ===== */
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--primary);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 2rem 1.4rem;
    transition: transform 0.3s ease;
}
.brand-side {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: #fff;
    font-weight: 800;
    font-size: 1.08rem;
    margin-bottom: 2.2rem;
    padding-bottom: 1.6rem;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.brand-side i { color: var(--accent); font-size: 1.3rem; }
.side-nav .nav-links { flex: 1; display: flex; flex-direction: column; gap: 0.35rem; }
.side-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255,255,255,0.75);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}
.side-nav .nav-item i { width: 1.25rem; text-align: center; font-size: 0.9rem; }
.side-nav .nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    transform: translateX(4px);
}
.side-nav .nav-item.active {
    background: var(--accent);
    color: #fff;
    font-weight: 700;
}
.side-nav .side-footer {
    color: rgba(255,255,255,0.45);
    font-size: 0.75rem;
    text-align: center;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}
/* ===== 移动端顶栏 ===== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--primary);
    padding: 0.9rem 1.2rem;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.mobile-header .m-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    font-weight: 800;
    font-size: 0.98rem;
}
.mobile-header .m-brand i { color: var(--accent); }
.m-hamburger {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.m-hamburger:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.mobile-nav {
    display: none;
    position: fixed;
    top: 58px;
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 0.8rem 1.2rem 1.4rem;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
    z-index: 998;
}
.mobile-nav.open { display: block; }
.mobile-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: rgba(255,255,255,0.8);
    padding: 0.75rem 0.9rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
}
.mobile-nav .nav-item i { width: 1.2rem; text-align: center; }
.mobile-nav .nav-item:hover { background: rgba(255,255,255,0.08); }
.mobile-nav .nav-item.active { background: var(--accent); color: #fff; font-weight: 700; }
/* ===== 内容区 ===== */
.main-wrap { margin-left: 260px; }
/* ===== 页头 Banner ===== */
.category-hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #1b3a5c 100%);
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    padding: 5rem 0 4.5rem;
    color: #fff;
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(30,58,95,0.92) 0%, rgba(30,58,95,0.75) 50%, rgba(20,42,71,0.55) 100%);
}
.category-hero .hero-inner { position: relative; z-index: 2; max-width: 900px; }
.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.4rem;
}
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb i { font-size: 0.6rem; color: rgba(255,255,255,0.5); }
.category-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 1rem;
}
.category-hero p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.85);
    max-width: 720px;
    line-height: 1.9;
}
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.8rem;
}
.hero-tags span {
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(6px);
    padding: 0.35rem 0.9rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.hero-tags i { color: var(--accent); }
/* ===== 通用板块 ===== */
.section-block { padding: var(--space) 0; }
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}
.section-head .sec-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.35;
    position: relative;
    padding-left: 1rem;
    border-left: 4px solid var(--accent);
    border-radius: 0 2px 2px 0;
}
.section-head .sec-sub {
    color: var(--text-light);
    font-size: 0.95rem;
    max-width: 560px;
    line-height: 1.8;
}
/* ===== 内容卡片 ===== */
.tip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.tip-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.6rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.tip-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}
.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #f5a623);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}
.tip-card:hover::before { transform: scaleX(1); }
.tip-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(230,126,34,0.12), rgba(230,126,34,0.06));
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
}
.tip-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    color: var(--text);
}
.tip-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.8;
}
.tip-card .tip-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.1rem;
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}
.tip-card .tip-link i { font-size: 0.7rem; transition: transform 0.25s; }
.tip-card .tip-link:hover i { transform: translateX(4px); }
/* ===== 图文板块 ===== */
.split-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.split-img {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(30, 58, 95, 0.18);
}
.split-img img { width: 100%; height: 360px; object-fit: cover; transition: transform 0.5s ease; }
.split-img:hover img { transform: scale(1.04); }
.split-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(20,42,71,0.45), transparent);
    border-radius: 18px;
}
.split-content h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 1.2rem;
}
.split-content p {
    color: var(--text-light);
    line-height: 1.85;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}
.check-list {
    margin-top: 1.4rem;
    display: grid;
    gap: 0.8rem;
}
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    font-size: 0.92rem;
    color: var(--text);
}
.check-list li i {
    color: var(--accent);
    margin-top: 0.2rem;
    font-size: 0.9rem;
}
/* ===== 资讯列表 ===== */
.article-list { display: grid; gap: 1.2rem; }
.article-row {
    display: flex;
    gap: 1.4rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem;
    transition: all 0.3s ease;
    align-items: center;
}
.article-row:hover {
    box-shadow: var(--shadow);
    transform: translateX(6px);
    border-color: rgba(230,126,34,0.4);
}
.article-row .rank {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--border);
    min-width: 42px;
    text-align: center;
}
.article-row:nth-child(1) .rank,
.article-row:nth-child(2) .rank { color: var(--accent); }
.article-row .row-content { flex: 1; }
.article-row .row-content h4 {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text);
    line-height: 1.5;
}
.article-row .row-content h4:hover { color: var(--accent); }
.article-row .row-content p {
    font-size: 0.86rem;
    color: var(--text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-row .row-footer {
    display: flex;
    gap: 1rem;
    margin-top: 0.4rem;
    font-size: 0.75rem;
    color: #9aa4b2;
}
.article-row .row-footer i { margin-right: 0.25rem; }
/* ===== 准备清单流程 ===== */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.4rem;
}
.step-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem 1.4rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}
.step-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.step-num {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    margin: 0 auto 1rem;
}
.step-item:nth-child(even) .step-num { background: var(--accent); }
.step-item h4 { font-size: 1.02rem; font-weight: 700; margin-bottom: 0.5rem; }
.step-item p { font-size: 0.85rem; color: var(--text-light); line-height: 1.7; }
/* ===== FAQ ===== */
.faq-list { max-width: 830px; margin: 0 auto; display: grid; gap: 1rem; }
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.3s;
}
.faq-item:hover { border-color: rgba(230,126,34,0.45); }
.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.98rem;
    color: var(--text);
    background: #fff;
    list-style: none;
    transition: background 0.25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--accent);
    flex-shrink: 0;
    transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { background: rgba(230,126,34,0.05); }
.faq-item .faq-body {
    padding: 0 1.5rem 1.3rem;
    font-size: 0.91rem;
    color: var(--text-light);
    line-height: 1.8;
    border-top: 1px dashed var(--border);
    padding-top: 0.9rem;
}
/* ===== CTA ===== */
.cta-sec {
    position: relative;
    background: var(--primary);
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: 4.5rem 0;
    color: #fff;
    text-align: center;
    overflow: hidden;
}
.cta-sec::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(20, 42, 71, 0.88);
}
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; padding: 0 1rem; }
.cta-sec h3 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.8rem; }
.cta-sec p { color: rgba(255,255,255,0.82); margin-bottom: 1.8rem; line-height: 1.8; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.75rem 1.9rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
}
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(230,126,34,0.35); }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); transform: translateY(-2px); }
/* ===== 页脚 ===== */
.footer-dist {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.75);
    margin-left: 260px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}
.footer-links { display: grid; gap: 0.5rem; }
.footer-links a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.65);
    transition: color 0.2s, padding-left 0.2s;
    display: inline-flex;
    align-items: center;
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .side-nav { display: none; }
    .mobile-header { display: flex; }
    .main-wrap { margin-left: 0; }
    .footer-dist { margin-left: 0; }
    .tip-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .split-block { grid-template-columns: 1fr; gap: 2rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    :root { --space: 3.5rem; }
    .category-hero { padding: 4rem 0 3rem; }
    .category-hero h1 { font-size: 2rem; }
    .tip-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
    .section-head { flex-direction: column; align-items: flex-start; }
    .section-head .sec-title { font-size: 1.45rem; }
    .category-hero p { font-size: 0.95rem; }
    .article-row { flex-direction: column; align-items: flex-start; gap: 0.6rem; padding: 1.2rem; }
    .article-row .rank { font-size: 1.2rem; }
}
@media (max-width: 520px) {
    .category-hero h1 { font-size: 1.7rem; }
    .hero-tags span { font-size: 0.75rem; }
    .split-img img { height: 240px; }
    .cta-sec h3 { font-size: 1.4rem; }
    .cta-sec .btn { padding: 0.65rem 1.4rem; font-size: 0.88rem; }
    .faq-item summary { font-size: 0.9rem; padding: 1rem 1.2rem; }
    .faq-item .faq-body { padding: 0 1.2rem 1.1rem; font-size: 0.85rem; }
    .mobile-header { padding: 0.75rem 1rem; }
    .mobile-header .m-brand { font-size: 0.88rem; }
}