/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #1a365d;
        --primary-light: #2a4a7a;
        --primary-dark: #0f2340;
        --secondary: #f7f4ef;
        --accent: #d4a854;
        --accent-hover: #c49a3e;
        --accent-light: #f0e4c8;
        --body-bg: #faf8f5;
        --text-color: #1a1a2e;
        --text-light: #5a5a72;
        --text-muted: #8a8a9e;
        --border-color: #e5e0d8;
        --card-bg: #ffffff;
        --card-shadow: 0 4px 20px rgba(26, 54, 93, 0.08);
        --card-hover-shadow: 0 12px 40px rgba(26, 54, 93, 0.15);
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --transition: all 0.3s ease;
        --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        --container-max: 1200px;
        --nav-height: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-family);
        color: var(--text-color);
        background: var(--body-bg);
        line-height: 1.7;
        font-size: 16px;
        padding-top: var(--nav-height);
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    button, input, textarea { font-family: inherit; }
    ul { list-style: none; }
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--primary-dark); }
    .container { max-width: var(--container-max); padding: 0 24px; margin: 0 auto; width: 100%; }
    @media (max-width: 768px) { .container { padding: 0 16px; } }

    /* ===== 导航 ===== */
    .navbar-custom {
        position: fixed;
        top: 16px;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 32px);
        max-width: 1100px;
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-radius: var(--radius-xl);
        box-shadow: 0 4px 30px rgba(26, 54, 93, 0.08);
        padding: 0 24px;
        z-index: 1050;
        border: 1px solid rgba(255, 255, 255, 0.6);
        transition: var(--transition);
        height: 60px;
        display: flex;
        align-items: center;
    }
    .navbar-custom .navbar-brand {
        font-weight: 800;
        font-size: 1.25rem;
        color: var(--primary-dark);
        letter-spacing: -0.3px;
        padding: 0;
        margin: 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .navbar-custom .navbar-brand i {
        color: var(--accent);
        font-size: 1.4rem;
    }
    .navbar-custom .navbar-nav {
        gap: 4px;
    }
    .navbar-custom .nav-link {
        color: var(--text-light);
        font-weight: 500;
        font-size: 0.95rem;
        padding: 8px 20px !important;
        border-radius: 50px;
        transition: var(--transition);
        position: relative;
    }
    .navbar-custom .nav-link:hover {
        color: var(--primary);
        background: rgba(26, 54, 93, 0.06);
    }
    .navbar-custom .nav-link.active {
        color: #fff;
        background: var(--primary);
        box-shadow: 0 4px 14px rgba(26, 54, 93, 0.25);
    }
    .navbar-custom .nav-link.active:hover {
        color: #fff;
        background: var(--primary-light);
    }
    .navbar-toggler {
        border: none;
        padding: 6px 10px;
        border-radius: 50px;
        background: rgba(26, 54, 93, 0.06);
    }
    .navbar-toggler:focus { box-shadow: none; }
    .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,54,93,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
    @media (max-width: 991.98px) {
        .navbar-custom {
            top: 12px;
            height: 56px;
            padding: 0 16px;
            width: calc(100% - 24px);
        }
        .navbar-custom .navbar-collapse {
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(16px);
            border-radius: var(--radius-md);
            padding: 16px;
            margin-top: 12px;
            box-shadow: 0 12px 40px rgba(26,54,93,0.12);
            border: 1px solid var(--border-color);
        }
        .navbar-custom .nav-link {
            padding: 10px 16px !important;
            font-size: 1rem;
        }
        body { padding-top: 68px; }
    }
    @media (max-width: 576px) {
        .navbar-custom .navbar-brand { font-size: 1.1rem; }
        .navbar-custom .navbar-brand i { font-size: 1.2rem; }
    }

    /* ===== Hero 首屏 ===== */
    .hero-section {
        position: relative;
        min-height: 85vh;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--primary-dark);
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center center;
        background-repeat: no-repeat;
        overflow: hidden;
        margin-top: calc(-1 * var(--nav-height) - 16px);
        padding-top: calc(var(--nav-height) + 16px);
    }
    .hero-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(15,35,64,0.82) 0%, rgba(26,54,93,0.65) 50%, rgba(15,35,64,0.45) 100%);
        z-index: 1;
    }
    .hero-section::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 160px;
        background: linear-gradient(to top, var(--body-bg) 0%, transparent 100%);
        z-index: 2;
    }
    .hero-content {
        position: relative;
        z-index: 3;
        text-align: center;
        max-width: 820px;
        padding: 40px 24px;
    }
    .hero-content .hero-badge {
        display: inline-block;
        background: rgba(212, 168, 84, 0.2);
        backdrop-filter: blur(4px);
        color: var(--accent);
        font-weight: 600;
        font-size: 0.85rem;
        padding: 6px 20px;
        border-radius: 50px;
        letter-spacing: 0.5px;
        margin-bottom: 24px;
        border: 1px solid rgba(212, 168, 84, 0.3);
    }
    .hero-content h1 {
        font-size: 3.2rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: -0.5px;
        line-height: 1.2;
        margin-bottom: 20px;
        text-shadow: 0 2px 30px rgba(0,0,0,0.3);
    }
    .hero-content h1 span {
        color: var(--accent);
    }
    .hero-content p {
        font-size: 1.2rem;
        color: rgba(255,255,255,0.85);
        max-width: 640px;
        margin: 0 auto 32px;
        line-height: 1.7;
        font-weight: 400;
    }
    .hero-content .hero-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }
    .hero-content .btn-hero-primary {
        padding: 14px 40px;
        font-weight: 700;
        font-size: 1.05rem;
        border-radius: 50px;
        background: var(--accent);
        color: var(--primary-dark);
        border: none;
        transition: var(--transition);
        box-shadow: 0 8px 28px rgba(212, 168, 84, 0.35);
    }
    .hero-content .btn-hero-primary:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 12px 36px rgba(212, 168, 84, 0.45);
        color: var(--primary-dark);
    }
    .hero-content .btn-hero-secondary {
        padding: 14px 40px;
        font-weight: 600;
        font-size: 1.05rem;
        border-radius: 50px;
        background: rgba(255,255,255,0.12);
        backdrop-filter: blur(4px);
        color: #fff;
        border: 1.5px solid rgba(255,255,255,0.3);
        transition: var(--transition);
    }
    .hero-content .btn-hero-secondary:hover {
        background: rgba(255,255,255,0.2);
        border-color: rgba(255,255,255,0.5);
        color: #fff;
        transform: translateY(-2px);
    }
    .hero-wave {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 3;
        line-height: 0;
    }
    .hero-wave svg {
        display: block;
        width: 100%;
        height: 80px;
        fill: var(--body-bg);
    }
    @media (max-width: 768px) {
        .hero-section { min-height: 70vh; }
        .hero-content h1 { font-size: 2.2rem; }
        .hero-content p { font-size: 1rem; }
        .hero-content .btn-hero-primary,
        .hero-content .btn-hero-secondary { padding: 12px 28px; font-size: 0.95rem; }
    }
    @media (max-width: 576px) {
        .hero-content h1 { font-size: 1.8rem; }
        .hero-content { padding: 20px 16px; }
    }

    /* ===== 通用板块 ===== */
    .section-padding { padding: 80px 0; }
    .section-padding-sm { padding: 60px 0; }
    .section-title {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary-dark);
        margin-bottom: 12px;
        letter-spacing: -0.3px;
    }
    .section-subtitle {
        font-size: 1.1rem;
        color: var(--text-light);
        max-width: 640px;
        margin: 0 auto 48px;
        text-align: center;
    }
    .section-divider {
        width: 60px;
        height: 4px;
        background: var(--accent);
        border-radius: 4px;
        margin: 0 auto 16px;
    }
    .section-header {
        text-align: center;
        margin-bottom: 48px;
    }
    @media (max-width: 768px) {
        .section-padding { padding: 56px 0; }
        .section-title { font-size: 1.7rem; }
        .section-subtitle { font-size: 1rem; }
    }

    /* ===== 品牌介绍 ===== */
    .intro-section {
        background: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
    }
    .intro-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
    .intro-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--card-shadow);
    }
    .intro-image img {
        width: 100%;
        height: 400px;
        object-fit: cover;
        transition: var(--transition);
    }
    .intro-image:hover img { transform: scale(1.03); }
    .intro-text h2 {
        font-size: 2rem;
        margin-bottom: 20px;
    }
    .intro-text p {
        color: var(--text-light);
        margin-bottom: 16px;
        font-size: 1.05rem;
        line-height: 1.8;
    }
    .intro-text .intro-tag {
        display: inline-block;
        background: var(--accent-light);
        color: var(--primary-dark);
        padding: 4px 16px;
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 16px;
    }
    @media (max-width: 768px) {
        .intro-grid { grid-template-columns: 1fr; gap: 32px; }
        .intro-image img { height: 280px; }
        .intro-text h2 { font-size: 1.6rem; }
    }

    /* ===== 分类入口 ===== */
    .category-section {
        background: var(--body-bg);
    }
    .category-card {
        background: var(--card-bg);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--card-shadow);
        transition: var(--transition);
        height: 100%;
        border: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
    }
    .category-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--card-hover-shadow);
        border-color: var(--accent);
    }
    .category-card .card-img {
        height: 200px;
        overflow: hidden;
    }
    .category-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }
    .category-card:hover .card-img img { transform: scale(1.05); }
    .category-card .card-body {
        padding: 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .category-card .card-body h3 {
        font-size: 1.25rem;
        font-weight: 700;
        margin-bottom: 10px;
    }
    .category-card .card-body p {
        color: var(--text-light);
        font-size: 0.95rem;
        flex: 1;
        margin-bottom: 16px;
    }
    .category-card .card-body .btn-category {
        align-self: flex-start;
        padding: 8px 24px;
        border-radius: 50px;
        background: var(--primary);
        color: #fff;
        font-weight: 600;
        font-size: 0.9rem;
        border: none;
        transition: var(--transition);
    }
    .category-card .card-body .btn-category:hover {
        background: var(--accent);
        color: var(--primary-dark);
        transform: translateX(4px);
    }

    /* ===== 最新资讯 ===== */
    .news-section {
        background: var(--secondary);
    }
    .news-card {
        background: var(--card-bg);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--card-shadow);
        transition: var(--transition);
        height: 100%;
        border: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
    }
    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--card-hover-shadow);
    }
    .news-card .news-img {
        height: 180px;
        overflow: hidden;
        position: relative;
    }
    .news-card .news-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }
    .news-card:hover .news-img img { transform: scale(1.05); }
    .news-card .news-img .news-cat {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--accent);
        color: var(--primary-dark);
        font-size: 0.75rem;
        font-weight: 700;
        padding: 4px 14px;
        border-radius: 50px;
        letter-spacing: 0.3px;
    }
    .news-card .news-body {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .news-card .news-body .news-date {
        font-size: 0.8rem;
        color: var(--text-muted);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .news-card .news-body h4 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.4;
        flex: 1;
    }
    .news-card .news-body h4 a {
        color: var(--primary-dark);
    }
    .news-card .news-body h4 a:hover { color: var(--accent); }
    .news-card .news-body .news-excerpt {
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.6;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-card .news-body .news-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .news-empty {
        text-align: center;
        padding: 60px 24px;
        color: var(--text-light);
        font-size: 1.05rem;
        background: var(--card-bg);
        border-radius: var(--radius-md);
        border: 1px dashed var(--border-color);
    }
    .news-empty i {
        font-size: 2.4rem;
        color: var(--text-muted);
        margin-bottom: 16px;
        display: block;
    }

    /* ===== 服务特色 ===== */
    .features-section {
        background: var(--card-bg);
    }
    .feature-card {
        text-align: center;
        padding: 36px 24px;
        border-radius: var(--radius-lg);
        background: var(--body-bg);
        border: 1px solid var(--border-color);
        transition: var(--transition);
        height: 100%;
    }
    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--card-hover-shadow);
        border-color: var(--accent);
    }
    .feature-card .feature-icon {
        width: 72px;
        height: 72px;
        margin: 0 auto 20px;
        background: var(--accent-light);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.8rem;
        color: var(--accent);
        transition: var(--transition);
    }
    .feature-card:hover .feature-icon {
        background: var(--accent);
        color: #fff;
        transform: scale(1.05);
    }
    .feature-card h4 {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 10px;
    }
    .feature-card p {
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== 数据统计 ===== */
    .stats-section {
        background: var(--primary-dark);
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        position: relative;
    }
    .stats-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: rgba(15, 35, 64, 0.85);
        z-index: 1;
    }
    .stats-section .container { position: relative; z-index: 2; }
    .stats-section .section-title { color: #fff; }
    .stats-section .section-subtitle { color: rgba(255,255,255,0.7); }
    .stats-section .section-divider { background: var(--accent); }
    .stat-item {
        text-align: center;
        padding: 24px 16px;
    }
    .stat-item .stat-number {
        font-size: 3rem;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.2;
        margin-bottom: 8px;
    }
    .stat-item .stat-label {
        font-size: 1rem;
        color: rgba(255,255,255,0.75);
        font-weight: 500;
        letter-spacing: 0.3px;
    }
    @media (max-width: 768px) {
        .stat-item .stat-number { font-size: 2.2rem; }
    }

    /* ===== 使用流程 ===== */
    .process-section {
        background: var(--body-bg);
    }
    .process-step {
        text-align: center;
        padding: 24px 16px;
        position: relative;
    }
    .process-step .step-number {
        width: 56px;
        height: 56px;
        margin: 0 auto 20px;
        background: var(--primary);
        color: #fff;
        font-size: 1.4rem;
        font-weight: 800;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 8px 24px rgba(26, 54, 93, 0.2);
    }
    .process-step h4 {
        font-size: 1.15rem;
        font-weight: 700;
        margin-bottom: 8px;
    }
    .process-step p {
        color: var(--text-light);
        font-size: 0.95rem;
        margin-bottom: 0;
    }
    .process-connector {
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-size: 1.6rem;
        font-weight: 300;
    }
    @media (max-width: 767.98px) {
        .process-connector { transform: rotate(90deg); padding: 8px 0; }
    }

    /* ===== FAQ ===== */
    .faq-section {
        background: var(--secondary);
    }
    .faq-item {
        background: var(--card-bg);
        border-radius: var(--radius-md);
        margin-bottom: 16px;
        border: 1px solid var(--border-color);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover { border-color: var(--accent); }
    .faq-item .faq-question {
        padding: 20px 24px;
        font-weight: 600;
        font-size: 1.05rem;
        color: var(--primary-dark);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        transition: var(--transition);
    }
    .faq-item .faq-question:hover { color: var(--accent); }
    .faq-item .faq-question i {
        transition: var(--transition);
        color: var(--text-muted);
        font-size: 0.9rem;
    }
    .faq-item .faq-question[aria-expanded="true"] i { transform: rotate(180deg); color: var(--accent); }
    .faq-item .faq-answer {
        padding: 0 24px 20px;
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.7;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--primary);
        background-image: url('/assets/images/backpic/back-3.png');
        background-size: cover;
        background-position: center;
        position: relative;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(26,54,93,0.92) 0%, rgba(15,35,64,0.88) 100%);
        z-index: 1;
    }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-content {
        text-align: center;
        padding: 40px 24px;
    }
    .cta-content h2 {
        font-size: 2.2rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }
    .cta-content p {
        font-size: 1.1rem;
        color: rgba(255,255,255,0.8);
        max-width: 600px;
        margin: 0 auto 28px;
    }
    .cta-content .btn-cta {
        padding: 16px 48px;
        font-weight: 700;
        font-size: 1.1rem;
        border-radius: 50px;
        background: var(--accent);
        color: var(--primary-dark);
        border: none;
        transition: var(--transition);
        box-shadow: 0 8px 28px rgba(212, 168, 84, 0.35);
    }
    .cta-content .btn-cta:hover {
        background: var(--accent-hover);
        transform: translateY(-3px);
        box-shadow: 0 14px 40px rgba(212, 168, 84, 0.45);
        color: var(--primary-dark);
    }
    @media (max-width: 768px) {
        .cta-content h2 { font-size: 1.7rem; }
        .cta-content p { font-size: 1rem; }
        .cta-content .btn-cta { padding: 14px 32px; font-size: 1rem; }
    }

    /* ===== 页脚 ===== */
    .footer {
        background: var(--primary-dark);
        color: rgba(255,255,255,0.7);
        padding: 48px 0 32px;
    }
    .footer-brand {
        font-size: 1.3rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-brand i { color: var(--accent); }
    .footer p { font-size: 0.95rem; line-height: 1.7; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: flex-end; }
    .footer-links a {
        color: rgba(255,255,255,0.6);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .footer-links a:hover { color: var(--accent); }
    .footer-divider {
        border-color: rgba(255,255,255,0.08);
        margin: 24px 0 20px;
    }
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.85rem;
        color: rgba(255,255,255,0.4);
    }
    .footer-bottom a { color: rgba(255,255,255,0.4); }
    .footer-bottom a:hover { color: var(--accent); }
    @media (max-width: 768px) {
        .footer-links { justify-content: flex-start; margin-top: 16px; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }

    /* ===== 额外辅助 ===== */
    .back-to-top {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        border: none;
        font-size: 1.2rem;
        cursor: pointer;
        box-shadow: 0 4px 20px rgba(26,54,93,0.25);
        transition: var(--transition);
        z-index: 1040;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
    }
    .back-to-top.visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .back-to-top:hover {
        background: var(--accent);
        color: var(--primary-dark);
        transform: translateY(-4px);
        box-shadow: 0 8px 28px rgba(212,168,84,0.35);
    }
    @media (max-width: 576px) {
        .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; font-size: 1rem; }
    }

    /* ===== 响应式微调 ===== */
    @media (max-width: 576px) {
        .hero-content h1 { font-size: 1.6rem; }
        .section-title { font-size: 1.4rem; }
        .section-padding { padding: 40px 0; }
        .stat-item .stat-number { font-size: 1.8rem; }
        .feature-card { padding: 24px 16px; }
        .news-card .news-img { height: 150px; }
        .category-card .card-img { height: 160px; }
    }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #e74c3c;
            --secondary: #2c3e50;
            --secondary-light: #34495e;
            --accent: #f39c12;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #222222;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-light: #ffffff;
            --border-color: #e8e8e8;
            --border-light: #f0f0f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 16px 48px rgba(192, 57, 43, 0.16);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1240px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-light);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: 60px;
            padding: 10px 28px;
            margin: 16px auto 0;
            max-width: 1100px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: box-shadow var(--transition), background var(--transition);
        }
        .navbar-custom:hover {
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.10);
        }
        .navbar-custom .navbar-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
        }
        .navbar-custom .navbar-brand i {
            font-size: 1.8rem;
            color: var(--primary);
            transition: transform var(--transition);
        }
        .navbar-custom .navbar-brand:hover i {
            transform: rotate(-12deg) scale(1.05);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary-dark);
        }
        .navbar-custom .navbar-nav {
            gap: 4px;
        }
        .navbar-custom .nav-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            padding: 8px 20px;
            border-radius: 40px;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            position: relative;
        }
        .navbar-custom .nav-link:hover {
            background: rgba(192, 57, 43, 0.08);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .navbar-custom .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.35);
        }
        .navbar-custom .nav-link.active:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: 12px;
            background: rgba(192, 57, 43, 0.06);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23c0392b' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 26px;
            height: 26px;
        }
        @media (max-width: 768px) {
            .navbar-custom {
                margin: 12px 12px 0;
                padding: 10px 18px;
                border-radius: 40px;
                max-width: 100%;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.25rem;
            }
            .navbar-custom .navbar-nav {
                gap: 2px;
                padding-top: 12px;
            }
            .navbar-custom .nav-link {
                padding: 10px 16px;
                font-size: 1rem;
                border-radius: 30px;
            }
            .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                border-radius: 24px;
                padding: 8px;
                margin-top: 8px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
            }
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #16213e 60%, #0f3460 100%);
            padding: 100px 0 80px;
            margin-top: -16px;
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 400;
            margin-bottom: 12px;
        }
        .page-banner .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }
        .page-banner .breadcrumb-custom a:hover {
            color: #fff;
        }
        .page-banner .breadcrumb-custom span {
            color: rgba(255, 255, 255, 0.5);
        }
        .page-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 80px 0 60px;
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner {
                padding: 70px 0 50px;
                min-height: 220px;
            }
        }

        /* ===== 通用板块标题 ===== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 48px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: none;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .card-custom .card-img-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .card-custom:hover .card-img-top {
            transform: scale(1.03);
        }
        .card-custom .card-body {
            padding: 24px 22px 26px;
        }
        .card-custom .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-custom .card-title a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .card-custom .card-title a:hover {
            color: var(--primary);
        }
        .card-custom .card-text {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .card-custom .card-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(192, 57, 43, 0.10);
            color: var(--primary);
            transition: background var(--transition), color var(--transition);
        }
        .badge-custom:hover {
            background: var(--primary);
            color: #fff;
        }
        .badge-custom-outline {
            background: transparent;
            border: 1.5px solid var(--border-color);
            color: var(--text-secondary);
        }
        .badge-custom-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(192, 57, 43, 0.04);
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }
        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.30);
        }
        .btn-custom-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.38);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-custom-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(192, 57, 43, 0.25);
        }
        .btn-custom-light {
            background: rgba(255, 255, 255, 0.20);
            color: #fff;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .btn-custom-light:hover {
            background: rgba(255, 255, 255, 0.32);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-custom-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== 板块间距 ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }

        /* ===== 特色标签行 ===== */
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .feature-tags .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: background var(--transition), transform var(--transition);
        }
        .feature-tags .tag-item:hover {
            background: rgba(255, 255, 255, 0.22);
            transform: translateY(-2px);
        }
        .feature-tags .tag-item i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        /* ===== 内容列表 ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .content-list-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .content-list-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(192, 57, 43, 0.15);
        }
        .content-list-item .list-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(192, 57, 43, 0.10);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.1rem;
        }
        .content-list-item .list-content {
            flex: 1;
        }
        .content-list-item .list-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .content-list-item .list-title a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .content-list-item .list-title a:hover {
            color: var(--primary);
        }
        .content-list-item .list-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .content-list-item .list-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .content-list-item .list-meta i {
            color: var(--primary-light);
            margin-right: 2px;
        }
        @media (max-width: 640px) {
            .content-list-item {
                flex-direction: column;
                padding: 16px 18px;
                gap: 12px;
            }
            .content-list-item .list-num {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 22px 28px;
            margin-bottom: 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(192, 57, 43, 0.18);
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-question {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 1rem;
        }
        .faq-item .faq-answer {
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 28px;
        }
        @media (max-width: 640px) {
            .faq-item {
                padding: 18px 20px;
            }
            .faq-item .faq-question {
                font-size: 1rem;
            }
            .faq-item .faq-answer {
                padding-left: 0;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #16213e 60%, #1a1a3e 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }
        .footer .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-brand i {
            color: var(--primary-light);
        }
        .footer p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 420px;
        }
        .footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            justify-content: flex-end;
            margin-top: 8px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
        }
        .footer .footer-links a:hover {
            color: #fff;
            border-bottom-color: var(--primary-light);
        }
        .footer .footer-divider {
            border-color: rgba(255, 255, 255, 0.10);
            margin: 28px 0 20px;
        }
        .footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .footer .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer .footer-links {
                justify-content: flex-start;
                margin-top: 0;
            }
            .footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .footer .footer-brand {
                font-size: 1.3rem;
            }
            .footer {
                padding: 40px 0 24px;
            }
        }

        /* ===== 分割线 ===== */
        .divider-custom {
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: var(--primary);
            margin: 16px 0 24px;
        }

        /* ===== 图片圆角统一 ===== */
        .img-rounded {
            border-radius: var(--radius-md);
        }

        /* ===== 统计数字 ===== */
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 640px) {
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== 赛事分类卡片 ===== */
        .sport-category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            height: 100%;
        }
        .sport-category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(192, 57, 43, 0.20);
        }
        .sport-category-card .sport-icon {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 16px;
            transition: transform var(--transition);
        }
        .sport-category-card:hover .sport-icon {
            transform: scale(1.12);
        }
        .sport-category-card .sport-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .sport-category-card .sport-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .sport-category-card .sport-count {
            display: inline-block;
            margin-top: 16px;
            padding: 4px 16px;
            border-radius: 40px;
            background: rgba(192, 57, 43, 0.08);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .container {
                padding: 0 14px;
            }
            .card-custom .card-body {
                padding: 18px 16px 20px;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
        }

        /* ===== 附加动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease-out forwards;
        }

/* roulang page: article */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --secondary: #c8a96e;
            --secondary-light: #e0c89a;
            --accent: #d4a74a;
            --bg: #f8f6f1;
            --bg-alt: #f0ece4;
            --bg-card: #ffffff;
            --text: #2c2c2c;
            --text-light: #6b6b6b;
            --text-muted: #9a9a9a;
            --border: #e8e3da;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1240px;
            --article-max: 760px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; width: 100%; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== Navigation ===== */
        .navbar-custom {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 0 24px;
            min-height: 68px;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
        }
        .navbar-custom .navbar-brand i { color: var(--secondary); font-size: 1.5rem; }
        .navbar-custom .navbar-nav { gap: 4px; }
        .navbar-custom .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            padding: 8px 18px;
            border-radius: 40px;
            transition: var(--transition);
            position: relative;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus { color: var(--primary); background: rgba(26,58,92,0.06); }
        .navbar-custom .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(26,58,92,0.25);
        }
        .navbar-custom .nav-link.active:hover { color: #fff; background: var(--primary-light); }
        .navbar-toggler { border: none; padding: 6px 10px; border-radius: var(--radius-sm); }
        .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(26,58,92,0.15); }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231a3a5c' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
        @media (max-width: 991px) {
            .navbar-custom { padding: 8px 16px; }
            .navbar-custom .navbar-nav { padding: 12px 0; gap: 2px; }
            .navbar-custom .nav-link { padding: 10px 16px; border-radius: var(--radius-sm); }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--primary) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,58,92,0.88) 0%, rgba(26,58,92,0.72) 100%);
            z-index: 1;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .category-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.25;
            max-width: 900px;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }
        .article-hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.95rem;
            opacity: 0.85;
            align-items: center;
        }
        .article-hero .meta i { margin-right: 6px; color: var(--secondary); }
        .article-hero .meta span { display: inline-flex; align-items: center; }
        @media (max-width: 768px) {
            .article-hero { padding: 60px 0 40px; min-height: 260px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-hero .meta { gap: 14px; font-size: 0.85rem; flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.5rem; }
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 48px 0 60px;
        }
        .article-body {
            max-width: var(--article-max);
            margin: 0 auto;
            background: var(--bg-card);
            padding: 40px 48px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-body .meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 24px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .article-body .meta-bar i { margin-right: 6px; color: var(--secondary); }
        .article-body .meta-bar .category-tag {
            background: var(--bg-alt);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.85rem;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content h2, 
        .article-body .content h3 { margin-top: 1.8em; margin-bottom: 0.6em; font-weight: 600; color: var(--primary); }
        .article-body .content h2 { font-size: 1.5rem; }
        .article-body .content h3 { font-size: 1.25rem; }
        .article-body .content ul, 
        .article-body .content ol { margin-bottom: 1.4em; padding-left: 1.5em; }
        .article-body .content li { margin-bottom: 0.4em; }
        .article-body .content img { border-radius: var(--radius-sm); margin: 1.2em 0; box-shadow: var(--shadow-sm); }
        .article-body .content blockquote {
            border-left: 4px solid var(--secondary);
            padding: 12px 20px;
            margin: 1.4em 0;
            background: var(--bg-alt);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body .content a { color: var(--primary); border-bottom: 1px solid transparent; }
        .article-body .content a:hover { border-bottom-color: var(--secondary); color: var(--primary-light); }
        .article-body .not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-body .not-found i { font-size: 3rem; color: var(--secondary); margin-bottom: 20px; }
        .article-body .not-found h2 { font-size: 1.6rem; color: var(--primary); margin-bottom: 12px; }
        .article-body .not-found p { color: var(--text-light); margin-bottom: 24px; }
        .article-body .not-found .btn { 
            display: inline-flex; align-items: center; gap: 8px; 
            padding: 10px 28px; border-radius: 40px; 
            background: var(--primary); color: #fff; border: none;
            font-weight: 500; transition: var(--transition);
        }
        .article-body .not-found .btn:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow); }

        /* ===== Tags & Share ===== */
        .article-tags-share {
            max-width: var(--article-max);
            margin: 32px auto 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 0;
            border-top: 1px solid var(--border);
        }
        .article-tags-share .tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags-share .tags .tag {
            background: var(--bg-alt);
            color: var(--text-light);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags-share .tags .tag:hover { background: var(--secondary); color: #fff; }
        .article-tags-share .share { display: flex; gap: 10px; align-items: center; }
        .article-tags-share .share span { font-size: 0.9rem; color: var(--text-light); }
        .article-tags-share .share a {
            display: inline-flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: 50%;
            background: var(--bg-alt); color: var(--text-light);
            transition: var(--transition); font-size: 1rem;
        }
        .article-tags-share .share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        @media (max-width: 576px) {
            .article-body { padding: 24px 20px; }
            .article-tags-share { flex-direction: column; align-items: flex-start; }
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 48px 0 56px;
            background: var(--bg-alt);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 32px;
            text-align: center;
        }
        .related-section .section-title i { color: var(--secondary); margin-right: 10px; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body { padding: 20px; }
        .related-card .card-body .card-cat {
            font-size: 0.8rem;
            color: var(--secondary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .related-card .card-body h3 { font-size: 1.05rem; font-weight: 600; margin: 6px 0 8px; line-height: 1.4; }
        .related-card .card-body h3 a { color: var(--text); }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body .card-date { font-size: 0.85rem; color: var(--text-muted); }
        @media (max-width: 992px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 576px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 56px 0 48px;
            background: var(--bg);
        }
        .faq-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            margin-bottom: 36px;
        }
        .faq-section .section-title i { color: var(--secondary); margin-right: 10px; }
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-card);
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i { color: var(--secondary); transition: var(--transition); }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-question:hover { background: var(--bg-alt); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .faq-question { padding: 14px 18px; font-size: 0.95rem; }
            .faq-answer { padding: 0 18px 14px; }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: var(--primary) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            color: #fff;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,58,92,0.9) 0%, rgba(26,58,92,0.75) 100%);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
        .cta-section p { font-size: 1.05rem; opacity: 0.85; max-width: 600px; margin: 0 auto 28px; }
        .cta-section .btn-cta {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 40px; border-radius: 40px; 
            background: var(--secondary); color: var(--primary);
            font-weight: 600; font-size: 1rem; border: none;
            transition: var(--transition); cursor: pointer;
        }
        .cta-section .btn-cta:hover { background: var(--secondary-light); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(200,169,110,0.35); }
        @media (max-width: 768px) {
            .cta-section h2 { font-size: 1.4rem; }
            .cta-section p { font-size: 0.95rem; }
            .cta-section .btn-cta { padding: 12px 32px; }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 32px;
        }
        .footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer .footer-brand i { color: var(--secondary); }
        .footer p { font-size: 0.95rem; line-height: 1.7; max-width: 480px; }
        .footer .footer-links { display: flex; flex-wrap: wrap; gap: 18px; justify-content: flex-end; }
        .footer .footer-links a { color: rgba(255,255,255,0.7); font-size: 0.95rem; transition: var(--transition); }
        .footer .footer-links a:hover { color: var(--secondary); }
        .footer .footer-divider { border-color: rgba(255,255,255,0.12); margin: 28px 0 20px; }
        .footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
        }
        .footer .footer-bottom a { color: rgba(255,255,255,0.7); }
        .footer .footer-bottom a:hover { color: var(--secondary); }
        @media (max-width: 768px) {
            .footer .footer-links { justify-content: flex-start; margin-top: 12px; }
            .footer .footer-bottom { flex-direction: column; align-items: flex-start; }
        }

        /* ===== Utilities ===== */
        .text-secondary-custom { color: var(--secondary); }
        .bg-alt-custom { background: var(--bg-alt); }
        .rounded-custom { border-radius: var(--radius); }
        .shadow-custom { box-shadow: var(--shadow); }

        /* ===== Breadcrumb ===== */
        .breadcrumb-custom {
            max-width: var(--article-max);
            margin: 0 auto 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb-custom a { color: var(--text-muted); }
        .breadcrumb-custom a:hover { color: var(--primary); }
        .breadcrumb-custom .sep { margin: 0 8px; color: var(--border); }
        .breadcrumb-custom .current { color: var(--text-light); }

        /* ===== Print ===== */
        @media print {
            .navbar-custom, .cta-section, .footer, .related-section { display: none; }
            .article-body { box-shadow: none; padding: 0; }
            .article-hero { background: var(--primary) !important; min-height: auto; padding: 40px 0; }
        }