/* roulang page: index */
:root {
        --primary: #0b1120;
        --primary-light: #1e293b;
        --accent: #f59e0b;
        --accent-hover: #d97706;
        --accent-secondary: #3b82f6;
        --bg: #f7f8fa;
        --bg-dark: #0b1120;
        --card: #ffffff;
        --text: #1e293b;
        --muted: #64748b;
        --border: #e5e7eb;
        --radius: 16px;
        --radius-sm: 10px;
        --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
        --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
        --transition: all 0.3s ease;
        --container: 1200px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.6;
        -webkit-font-smoothing: antialiased;
    }

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

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

    ul,
    ol {
        list-style: none;
    }

    button,
    input {
        font-family: inherit;
        font-size: inherit;
    }

    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 24px;
    }

    .section {
        padding: 80px 0;
    }

    .section-header {
        text-align: center;
        margin-bottom: 48px;
    }

    .section-header .section-tag {
        display: inline-block;
        background: rgba(245, 158, 11, 0.12);
        color: var(--accent-hover);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: 30px;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }

    .section-header h2 {
        font-size: 32px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 8px;
        letter-spacing: -0.5px;
    }

    .section-header p {
        color: var(--muted);
        font-size: 16px;
        max-width: 640px;
        margin: 0 auto;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 15px;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        text-align: center;
    }

    .btn-primary {
        background: var(--accent);
        color: #0b1120;
    }

    .btn-primary:hover {
        background: var(--accent-hover);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
    }

    .btn-outline {
        background: transparent;
        color: #fff;
        border: 1.5px solid rgba(255, 255, 255, 0.5);
    }

    .btn-outline:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #fff;
        transform: translateY(-2px);
    }

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

    .btn-light:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    }

    /* ===== Header / Nav ===== */
    .site-header {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        position: sticky;
        top: 0;
        z-index: 1000;
        border-bottom: 1px solid var(--border);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        position: relative;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--primary);
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, var(--accent), var(--accent-hover));
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 16px;
    }

    .nav-toggle {
        display: none;
    }

    .nav-toggle-label {
        display: none;
        cursor: pointer;
        font-size: 22px;
        color: var(--primary);
        padding: 8px;
    }

    .nav-menu {
        display: flex;
        align-items: center;
    }

    .nav-list {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .nav-list li {
        position: relative;
    }

    .nav-list a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 18px;
        font-weight: 500;
        color: var(--text);
        border-radius: 8px;
        font-size: 15px;
    }

    .nav-list a:hover {
        color: var(--primary);
        background: rgba(245, 158, 11, 0.08);
    }

    .nav-list li.active > a {
        color: var(--accent-hover);
        font-weight: 600;
    }

    .nav-list li.active > a::after {
        content: '';
        display: block;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
        margin-top: 2px;
    }

    .nav-cta {
        background: var(--primary);
        color: #fff;
        padding: 10px 22px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: var(--transition);
    }

    .nav-cta:hover {
        background: var(--accent);
        color: #0b1120;
        transform: translateY(-2px);
    }

    /* Mega Menu */
    .mega-panel {
        position: absolute;
        top: calc(100% + 12px);
        left: 50%;
        transform: translateX(-50%) translateY(10px);
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.14);
        padding: 24px;
        width: 520px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 200;
        border: 1px solid var(--border);
    }

    .has-mega:hover .mega-panel {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }

    .mega-inner {
        display: flex;
        gap: 20px;
        align-items: center;
    }

    .mega-text {
        flex: 1;
    }

    .mega-text h3 {
        font-size: 18px;
        color: var(--primary);
        margin-bottom: 6px;
    }

    .mega-text p {
        font-size: 13px;
        color: var(--muted);
        margin-bottom: 12px;
        line-height: 1.5;
    }

    .mega-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--accent-hover);
    }

    .mega-link:hover {
        color: var(--accent);
        gap: 6px;
    }

    .mega-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 10px;
    }

    .mega-tag {
        background: rgba(59, 130, 246, 0.08);
        color: var(--accent-secondary);
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 500;
    }

    .mega-thumb {
        width: 140px;
        flex-shrink: 0;
    }

    .mega-thumb img {
        width: 100%;
        height: 100px;
        object-fit: cover;
        border-radius: 10px;
    }

    /* ===== Hero ===== */
    .hero {
        background: linear-gradient(135deg, rgba(11, 17, 32, 0.92), rgba(11, 17, 32, 0.7)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        padding: 100px 0;
        color: #fff;
        position: relative;
    }

    .hero-inner {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 60px;
        align-items: center;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(245, 158, 11, 0.15);
        border: 1px solid rgba(245, 158, 11, 0.3);
        color: var(--accent);
        padding: 6px 18px;
        border-radius: 30px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 20px;
    }

    .hero h1 {
        font-size: 46px;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 16px;
        letter-spacing: -1px;
    }

    .hero-sub {
        font-size: 17px;
        color: rgba(255, 255, 255, 0.8);
        max-width: 520px;
        margin-bottom: 32px;
        line-height: 1.7;
    }

    .hero-btns {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin-bottom: 40px;
    }

    .hero-stats {
        display: flex;
        gap: 40px;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding-top: 24px;
    }

    .hero-stat {
        text-align: center;
        flex: 1;
    }

    .hero-stat .num {
        font-size: 28px;
        font-weight: 800;
        color: var(--accent);
        display: block;
    }

    .hero-stat .label {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        margin-top: 4px;
    }

    .hero-card {
        background: rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(16px);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 20px;
        padding: 32px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    .hero-card h3 {
        font-size: 20px;
        margin-bottom: 20px;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .hero-card-item {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        padding: 14px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-card-item:last-child {
        border-bottom: none;
    }

    .hero-card-item i {
        color: var(--accent);
        font-size: 18px;
        margin-top: 3px;
    }

    .hero-card-item .txt {
        color: rgba(255, 255, 255, 0.85);
        font-size: 14px;
        line-height: 1.5;
    }

    .hero-card-item .txt strong {
        display: block;
        color: #fff;
        font-size: 15px;
        margin-bottom: 2px;
    }

    /* ===== Ticker ===== */
    .ticker {
        background: var(--primary);
        color: #fff;
        border-bottom: 3px solid var(--accent);
    }

    .ticker-inner {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 12px 0;
        font-size: 14px;
    }

    .ticker-label {
        background: var(--accent);
        color: #0b1120;
        padding: 4px 14px;
        border-radius: 4px;
        font-weight: 700;
        font-size: 13px;
        flex-shrink: 0;
    }

    .ticker-list {
        display: flex;
        gap: 32px;
        overflow: hidden;
        white-space: nowrap;
    }

    .ticker-list li {
        display: flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, 0.8);
    }

    .ticker-list li i {
        color: var(--accent);
        font-size: 12px;
    }

    /* ===== Intro ===== */
    .intro {
        background: var(--card);
    }

    .intro-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }

    .intro-card {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 36px 28px;
        text-align: center;
        transition: var(--transition);
    }

    .intro-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(245, 158, 11, 0.3);
    }

    .intro-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 20px;
        background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
        border-radius: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 26px;
        color: var(--accent);
    }

    .intro-card h3 {
        font-size: 18px;
        margin-bottom: 10px;
        color: var(--primary);
    }

    .intro-card p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.65;
    }

    /* ===== Categories ===== */
    .categories {
        background: var(--bg);
    }

    .category-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .category-card {
        border-radius: 20px;
        overflow: hidden;
        position: relative;
        min-height: 260px;
        display: flex;
        align-items: flex-end;
        background-size: cover;
        background-position: center;
        transition: var(--transition);
    }

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

    .category-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.75));
        transition: var(--transition);
    }

    .category-card:hover::before {
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.85));
    }

    .category-content {
        position: relative;
        z-index: 1;
        padding: 32px;
        color: #fff;
        width: 100%;
    }

    .category-content h3 {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 8px;
    }

    .category-content p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 16px;
        line-height: 1.6;
        max-width: 90%;
    }

    .category-tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        margin-bottom: 18px;
    }

    .category-tags span {
        background: rgba(255, 255, 255, 0.18);
        border: 1px solid rgba(255, 255, 255, 0.2);
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 500;
    }

    .category-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--accent);
        font-weight: 600;
        font-size: 15px;
    }

    .category-link:hover {
        gap: 12px;
        color: #fff;
    }

    .category-card.cat-guide {
        background-image: url('/assets/images/coverpic/cover-1.png');
    }

    .category-card.cat-news {
        background-image: url('/assets/images/coverpic/cover-5.png');
    }

    /* ===== Latest ===== */
    .latest {
        background: var(--card);
    }

    .latest-grid {
        display: grid;
        grid-template-columns: 1.4fr 0.6fr;
        gap: 40px;
        align-items: start;
    }

    .latest-main {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .latest-item {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 24px;
        transition: var(--transition);
    }

    .latest-item:hover {
        border-color: rgba(245, 158, 11, 0.3);
        box-shadow: var(--shadow);
        transform: translatex(4px);
    }

    .latest-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 8px;
        font-size: 12px;
    }

    .latest-cat {
        background: rgba(245, 158, 11, 0.12);
        color: var(--accent-hover);
        padding: 3px 12px;
        border-radius: 20px;
        font-weight: 600;
    }

    .latest-date {
        color: var(--muted);
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .latest-item h3 {
        font-size: 17px;
        margin-bottom: 6px;
        line-height: 1.4;
    }

    .latest-item h3 a {
        color: var(--text);
    }

    .latest-item h3 a:hover {
        color: var(--accent-hover);
    }

    .latest-item p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.6;
        margin-bottom: 10px;
    }

    .read-more {
        font-size: 13px;
        font-weight: 600;
        color: var(--accent-hover);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .read-more:hover {
        gap: 8px;
        color: var(--accent);
    }

    .empty-state {
        background: var(--bg);
        border: 1px dashed var(--border);
        border-radius: var(--radius);
        padding: 48px;
        text-align: center;
        color: var(--muted);
    }

    .empty-state i {
        font-size: 32px;
        margin-bottom: 12px;
        color: var(--border);
        display: block;
    }

    .latest-side {
        position: sticky;
        top: 90px;
    }

    .side-card {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 24px;
    }

    .side-card .side-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 16px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--accent);
        display: inline-block;
    }

    .rank-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .rank-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px;
        background: #fff;
        border-radius: 10px;
        transition: var(--transition);
        border: 1px solid transparent;
    }

    .rank-item:hover {
        border-color: var(--border);
        box-shadow: var(--shadow);
        transform: translateX(3px);
    }

    .rank-num {
        width: 26px;
        height: 26px;
        background: rgba(245, 158, 11, 0.12);
        color: var(--accent-hover);
        border-radius: 8px;
        font-size: 13px;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .rank-num.top {
        background: var(--accent);
        color: #fff;
    }

    .rank-item .rank-txt {
        flex: 1;
        font-size: 14px;
        font-weight: 500;
        line-height: 1.4;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* ===== Featured ===== */
    .featured {
        background: var(--bg);
    }

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

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

    .featured-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(245, 158, 11, 0.25);
    }

    .featured-img {
        position: relative;
        height: 150px;
        overflow: hidden;
    }

    .featured-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

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

    .featured-img .featured-tag {
        position: absolute;
        top: 12px;
        left: 12px;
        background: rgba(245, 158, 11, 0.92);
        color: #0b1120;
        padding: 3px 10px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
    }

    .featured-body {
        padding: 18px;
    }

    .featured-body h3 {
        font-size: 15px;
        line-height: 1.4;
        margin-bottom: 6px;
    }

    .featured-body h3 a {
        color: var(--text);
    }

    .featured-body h3 a:hover {
        color: var(--accent-hover);
    }

    .featured-body p {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* ===== Guide ===== */
    .guide {
        background: var(--bg-dark);
        color: #fff;
    }

    .guide .section-header h2 {
        color: #fff;
    }

    .guide .section-header p {
        color: rgba(255, 255, 255, 0.6);
    }

    .guide-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }

    .guide-step {
        text-align: center;
        padding: 32px 20px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius);
        position: relative;
        transition: var(--transition);
    }

    .guide-step:hover {
        background: rgba(255, 255, 255, 0.09);
        transform: translateY(-4px);
    }

    .step-num {
        position: absolute;
        top: 14px;
        right: 18px;
        font-size: 32px;
        font-weight: 800;
        color: rgba(255, 255, 255, 0.08);
    }

    .step-icon {
        width: 56px;
        height: 56px;
        margin: 0 auto 16px;
        background: var(--accent);
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: #0b1120;
    }

    .guide-step h3 {
        font-size: 16px;
        margin-bottom: 8px;
        color: #fff;
    }

    .guide-step p {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        line-height: 1.5;
    }

    /* ===== FAQ ===== */
    .faq {
        background: var(--card);
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }

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

    .faq-item:hover {
        border-color: rgba(245, 158, 11, 0.3);
    }

    .faq-question {
        width: 100%;
        background: none;
        border: none;
        padding: 20px 24px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        cursor: pointer;
        text-align: left;
        transition: var(--transition);
    }

    .faq-question i {
        color: var(--accent);
        font-size: 14px;
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

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

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        padding: 0 24px;
    }

    .faq-item.active .faq-answer {
        max-height: 300px;
        padding-bottom: 20px;
    }

    .faq-answer p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
        border-top: 1px solid var(--border);
        padding-top: 14px;
    }

    /* ===== CTA ===== */
    .cta-block {
        background: linear-gradient(135deg, rgba(11, 17, 32, 0.9), rgba(11, 17, 32, 0.75)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        padding: 80px 0;
        color: #fff;
        text-align: center;
    }

    .cta-inner h2 {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 12px;
    }

    .cta-inner p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.7);
        max-width: 560px;
        margin: 0 auto 28px;
    }

    .cta-btns {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255, 255, 255, 0.7);
        padding-top: 64px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 0.8fr 0.8fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand .logo {
        color: #fff;
        margin-bottom: 12px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        max-width: 320px;
    }

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

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .footer-links a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .footer-links a i {
        font-size: 12px;
        color: var(--accent);
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 0;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
        flex-wrap: wrap;
        gap: 10px;
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.5);
    }

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

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .hero-inner {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .hero h1 {
            font-size: 36px;
        }

        .featured-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .intro-grid {
            gap: 20px;
        }

        .latest-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 56px 0;
        }

        .nav-toggle-label {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
        }

        .nav-menu {
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
            padding: 16px 24px;
            display: none;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }

        .nav-toggle:checked ~ .nav-menu {
            display: flex;
        }

        .nav-list {
            flex-direction: column;
            align-items: flex-start;
            width: 100%;
            gap: 4px;
        }

        .nav-list li {
            width: 100%;
        }

        .nav-list a {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
        }

        .mega-panel {
            position: static;
            transform: none;
            opacity: 1;
            visibility: visible;
            width: 100%;
            box-shadow: none;
            padding: 12px;
            background: var(--bg);
            border-radius: 10px;
            border: 1px solid var(--border);
            margin: 4px 0 8px;
        }

        .has-mega:hover .mega-panel {
            transform: none;
        }

        .mega-inner {
            flex-direction: column;
            gap: 12px;
        }

        .mega-thumb {
            width: 100%;
        }

        .mega-thumb img {
            height: 80px;
            width: 100%;
        }

        .nav-cta {
            display: none;
        }

        .hero {
            padding: 64px 0;
        }

        .hero-inner {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .hero-card {
            max-width: 100%;
        }

        .hero-stats {
            gap: 20px;
            flex-wrap: wrap;
        }

        .ticker-list {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

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

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

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

        .latest-side {
            position: static;
        }

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

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

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

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }

    @media (max-width: 520px) {
        .section {
            padding: 44px 0;
        }

        .container {
            padding: 0 16px;
        }

        .hero h1 {
            font-size: 28px;
        }

        .hero-sub {
            font-size: 15px;
        }

        .hero-btns {
            flex-direction: column;
            gap: 12px;
        }

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

        .hero-stats {
            flex-direction: column;
            gap: 14px;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .hero-stat .num {
            font-size: 22px;
        }

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

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

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

        .section-header h2 {
            font-size: 26px;
        }

        .section-header p {
            font-size: 14px;
        }

        .latest-item {
            padding: 18px;
        }

        .category-content {
            padding: 24px;
        }

        .category-content h3 {
            font-size: 20px;
        }

        .faq-question {
            padding: 16px;
            font-size: 14px;
        }

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

        .cta-inner h2 {
            font-size: 26px;
        }

        .cta-btns {
            flex-direction: column;
            gap: 12px;
        }

        .footer-bottom {
            font-size: 12px;
        }
    }

/* roulang page: article */
:root {
            --primary: #1b3a5c;
            --primary-dark: #0f2440;
            --primary-light: #2d5a8e;
            --accent: #f0a04b;
            --accent-dark: #d9882f;
            --accent-light: #fdeedb;
            --bg: #f4f6f9;
            --bg-deep: #eef1f6;
            --white: #ffffff;
            --text: #1e293b;
            --text-mid: #4b5c72;
            --text-light: #7c8ca0;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(15, 30, 46, .05);
            --shadow-md: 0 8px 28px rgba(15, 30, 46, .08);
            --shadow-lg: 0 16px 48px rgba(15, 30, 46, .12);
            --transition: .3s ease;
            --container: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all var(--transition);
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 160, 75, .35);
        }

        .btn-outline {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }

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

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

        .btn-light:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent-dark);
            white-space: nowrap;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            background: var(--bg-deep);
            color: var(--text-mid);
            border: 1px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        /* Header */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(15, 30, 46, .04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .5px;
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 12px;
            color: #fff;
            font-size: 17px;
            box-shadow: var(--shadow-sm);
        }

        .nav-toggle {
            display: none;
        }

        .nav-toggle-label {
            display: none;
            font-size: 22px;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
        }

        .nav-list > li > a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-mid);
            transition: all var(--transition);
        }

        .nav-list > li > a:hover {
            color: var(--primary);
            background: var(--bg);
        }

        .nav-list > li.active > a {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(27, 58, 92, .2);
        }

        .nav-list > li.has-mega {
            position: relative;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            width: 560px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: all .25s ease;
            z-index: 50;
        }

        .has-mega:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-inner {
            display: flex;
            gap: 20px;
        }

        .mega-text {
            flex: 1;
        }

        .mega-text h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .mega-text p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .mega-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .mega-tag {
            padding: 3px 12px;
            border-radius: 999px;
            background: var(--bg-deep);
            font-size: 12px;
            color: var(--text-mid);
            border: 1px solid var(--border);
        }

        .mega-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-dark);
        }

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

        .mega-thumb {
            width: 200px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 160px;
        }

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

        /* Page banner */
        .page-banner {
            position: relative;
            padding: 72px 0 56px;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            isolation: isolate;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 36, 64, .92), rgba(27, 58, 92, .72));
            z-index: -1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
        }

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

        .breadcrumb i {
            font-size: 11px;
            color: rgba(255, 255, 255, .5);
        }

        .page-banner h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            max-width: 820px;
            letter-spacing: .5px;
        }

        .page-banner .banner-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            max-width: 700px;
            line-height: 1.7;
        }

        /* Article section */
        .article-section {
            padding: 48px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 36px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 36px;
            margin-bottom: 30px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-light);
        }

        .meta-item i {
            color: var(--accent);
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            word-break: break-word;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--primary);
            font-weight: 800;
            margin: 32px 0 14px;
            line-height: 1.4;
        }

        .article-body h2 {
            font-size: 24px;
        }

        .article-body h3 {
            font-size: 20px;
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 18px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-mid);
        }

        .article-body a {
            color: var(--primary-light);
            border-bottom: 1px solid var(--primary-light);
        }

        .article-body a:hover {
            color: var(--accent-dark);
            border-bottom-color: var(--accent-dark);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 28px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
        }

        .share-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-mid);
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-mid);
            font-size: 15px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        /* Not found */
        .not-found {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 70px 40px;
            text-align: center;
        }

        .not-found i {
            font-size: 56px;
            color: var(--accent);
            margin-bottom: 18px;
        }

        .not-found h2 {
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-light);
            margin-bottom: 28px;
        }

        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }

        .sidebar-title {
            font-size: 17px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }

        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.6;
        }

        .info-list li i {
            color: var(--accent);
            margin-top: 3px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-promo {
            position: relative;
            padding: 0;
            overflow: hidden;
            border: none;
        }

        .promo-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .sidebar-promo::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 36, 64, .78), rgba(27, 58, 92, .55));
            z-index: 1;
        }

        .sidebar-promo h4,
        .sidebar-promo p,
        .sidebar-promo .btn {
            position: relative;
            z-index: 2;
        }

        .sidebar-promo {
            padding: 30px 24px;
            min-height: 220px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            gap: 10px;
        }

        .sidebar-promo h4 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
        }

        .sidebar-promo p {
            color: rgba(255, 255, 255, .8);
            font-size: 14px;
            margin-bottom: 12px;
        }

        /* Related */
        .related-section {
            padding: 60px 0;
            background: var(--bg-deep);
        }

        .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: .5px;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 15px;
        }

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

        .related-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .related-thumb {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .related-body {
            padding: 22px;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-body h3:hover {
            color: var(--primary);
        }

        .related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-light);
            margin-top: 8px;
        }

        .related-meta .badge {
            font-size: 12px;
            padding: 3px 10px;
        }

        /* CTA */
        .cta-section {
            padding: 70px 0;
            background: url('/assets/images/backpic/back-1.png') center/cover fixed no-repeat;
            position: relative;
            isolation: isolate;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 36, 64, .9), rgba(27, 58, 92, .72));
            z-index: -1;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .82);
            margin-bottom: 30px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .faq-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-item h4 i {
            color: var(--accent);
            font-size: 15px;
        }

        .faq-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            background: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: all var(--transition);
        }

        .footer-links a i {
            font-size: 10px;
            color: var(--accent);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .sidebar-card {
                flex: 1;
                min-width: 260px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 66px;
            }

            .nav-toggle-label {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 66px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                display: block;
                max-height: 0;
                overflow: hidden;
                transition: max-height .35s ease;
            }

            .nav-toggle:checked ~ .nav-menu {
                max-height: calc(100vh - 66px);
                overflow-y: auto;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
            }

            .nav-list > li > a {
                width: 100%;
                justify-content: space-between;
                padding: 14px 16px;
                border-radius: var(--radius-sm);
            }

            .nav-list > li.active > a {
                border-radius: var(--radius-sm);
            }

            .mega-panel {
                position: static;
                transform: none;
                width: auto;
                box-shadow: none;
                border: none;
                padding: 8px 0 8px 16px;
                opacity: 1;
                visibility: visible;
                transition: none;
            }

            .has-mega:hover .mega-panel {
                transform: none;
            }

            .mega-inner {
                flex-direction: column;
            }

            .mega-thumb {
                display: none;
            }

            .page-banner {
                padding: 48px 0 40px;
            }

            .page-banner h1 {
                font-size: 26px;
            }

            .article-card {
                padding: 24px 20px;
            }

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

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

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

            .cta-section {
                padding: 50px 0;
            }

            .cta-section h2 {
                font-size: 26px;
            }
        }

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

            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .page-banner h1 {
                font-size: 22px;
            }

            .article-meta {
                gap: 10px;
            }

            .meta-item {
                font-size: 13px;
            }

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

            .section-head h2 {
                font-size: 24px;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #a5b4fc;
            --accent: #06b6d4;
            --accent-dark: #0e7490;
            --dark: #0f172a;
            --dark-light: #1e293b;
            --bg: #f8fafc;
            --card-bg: #ffffff;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 14px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            background: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
        }

        .nav-toggle {
            display: none;
        }

        .nav-toggle-label {
            display: none;
            font-size: 1.4rem;
            color: #fff;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle-label:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-menu {
            display: flex;
            align-items: center;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list > li {
            position: relative;
        }

        .nav-list > li > a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-list > li > a i.fa-chevron-down {
            font-size: 0.7rem;
            opacity: 0.7;
            transition: var(--transition);
        }

        .nav-list > li > a:hover,
        .nav-list > li.active > a {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-list > li.active > a {
            background: rgba(99, 102, 241, 0.25);
            box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.4);
        }

        .nav-list > li.has-mega:hover > a i.fa-chevron-down {
            transform: rotate(180deg);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            width: 560px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
            border: 1px solid var(--border);
            z-index: 100;
            overflow: hidden;
        }

        .mega-panel::before {
            content: '';
            position: absolute;
            top: -6px;
            left: 50%;
            transform: translateX(-50%) rotate(45deg);
            width: 12px;
            height: 12px;
            background: #fff;
            border-left: 1px solid var(--border);
            border-top: 1px solid var(--border);
        }

        .has-mega:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-inner {
            display: flex;
            gap: 24px;
            padding: 24px;
        }

        .mega-text {
            flex: 1;
        }

        .mega-text h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .mega-text p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .mega-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }

        .mega-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            background: #f1f5f9;
            color: var(--text);
            font-size: 0.78rem;
            font-weight: 600;
            border: 1px solid var(--border);
        }

        .mega-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.88rem;
        }

        .mega-link:hover {
            color: var(--primary);
            gap: 12px;
        }

        .mega-thumb {
            width: 160px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

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

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 120px 0 100px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 27, 75, 0.88));
            z-index: 0;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 820px;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 50px;
            background: rgba(99, 102, 241, 0.25);
            border: 1px solid rgba(129, 140, 248, 0.5);
            color: #a5b4fc;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .banner-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #a5b4fc;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .banner-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            border: 2px solid transparent;
            transition: var(--transition);
            line-height: 1.4;
        }

        .btn i {
            font-size: 0.85rem;
            transition: transform 0.3s ease;
        }

        .btn:hover i {
            transform: translateX(3px);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(99, 102, 241, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--dark);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .btn-primary:focus,
        .btn-outline-light:focus,
        .btn-light:focus {
            outline: 3px solid rgba(99, 102, 241, 0.4);
            outline-offset: 2px;
        }

        /* ===== Section ===== */
        .section {
            padding: 90px 0;
        }

        .section-alt {
            background: #f1f5f9;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .section-head p {
            font-size: 1rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== Quick Category Cards ===== */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .quick-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .quick-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

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

        .quick-card:hover::before {
            opacity: 1;
        }

        .quick-card .quick-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.4rem;
            color: var(--primary-dark);
            transition: var(--transition);
        }

        .quick-card:hover .quick-icon {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            transform: scale(1.05);
        }

        .quick-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .quick-card p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Guide Cards ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

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

        .guide-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .guide-card:hover .guide-thumb img {
            transform: scale(1.08);
        }

        .guide-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent);
        }

        .guide-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(15, 23, 42, 0.8);
            color: #fff;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .guide-badge.hot {
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            border: none;
        }

        .guide-info {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-dark);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .guide-cat::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
        }

        .guide-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text);
            transition: var(--transition);
        }

        .guide-card:hover .guide-info h3 {
            color: var(--primary-dark);
        }

        .guide-info p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }

        .guide-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .guide-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        /* ===== Ranking Section ===== */
        .ranking-section {
            background: var(--dark);
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.98), rgba(30, 27, 75, 0.95)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .ranking-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: #a5b4fc;
        }

        .ranking-section .section-head h2 {
            color: #fff;
        }

        .ranking-section .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }

        .ranking-list {
            max-width: 860px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            padding: 32px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .ranking-item:not(:last-child) {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .ranking-item:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .ranking-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: transparent;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            min-width: 48px;
            text-align: center;
            font-style: italic;
        }

        .ranking-content {
            flex: 1;
        }

        .ranking-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .ranking-content p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .ranking-tag {
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(99, 102, 241, 0.3);
            color: #a5b4fc;
            border: 1px solid rgba(99, 102, 241, 0.3);
            white-space: nowrap;
        }

        /* ===== Deep Feature ===== */
        .deep-grid {
            display: flex;
            flex-direction: column;
            gap: 56px;
        }

        .deep-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .deep-item:nth-child(even) .deep-image {
            order: 2;
        }

        .deep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
            height: 320px;
        }

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

        .deep-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.3), transparent 50%);
        }

        .deep-image .image-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            z-index: 1;
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.6);
            padding: 6px 14px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }

        .deep-content {
            padding: 20px 0;
        }

        .deep-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .deep-content h3 {
            font-size: 1.7rem;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text);
        }

        .deep-content p {
            font-size: 0.95rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .deep-content .deep-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.92rem;
            transition: var(--transition);
        }

        .deep-content .deep-link:hover {
            color: var(--primary);
            gap: 12px;
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: var(--dark);
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.97), rgba(15, 23, 42, 0.92)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            padding: 70px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 32px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }

        .stat-num {
            display: block;
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, #a5b4fc, #22d3ee);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 6px;
            font-style: italic;
        }

        .stat-label {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(99, 102, 241, 0.3);
        }

        .faq-item summary {
            padding: 22px 28px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--primary-light);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-item summary:hover {
            color: var(--primary-dark);
        }

        .faq-item .faq-answer {
            padding: 0 28px 22px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.75;
        }

        .faq-item .faq-answer p {
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 90px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark) 60%, var(--dark));
            border-radius: var(--radius-lg);
            padding: 70px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(79, 70, 229, 0.3);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(6, 182, 212, 0.15);
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-light {
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 360px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: #94a3b8;
            transition: var(--transition);
            padding: 4px 0;
        }

        .footer-links a i {
            font-size: 0.7rem;
            color: var(--primary-light);
            transition: transform 0.3s ease;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-links a:hover i {
            transform: translateX(2px);
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: #64748b;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

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

        /* ===== Focus visible for accessibility ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(99, 102, 241, 0.5);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .quick-grid,
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .mega-panel {
                width: 500px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 70px 0;
            }

            .section-head h2 {
                font-size: 1.7rem;
            }

            .page-banner {
                padding: 80px 0 70px;
            }

            .page-banner h1 {
                font-size: 2rem;
            }

            .nav-toggle-label {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 70px;
                right: -100%;
                bottom: 0;
                width: 82%;
                max-width: 360px;
                background: var(--dark-light);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                transition: right 0.4s ease;
                overflow-y: auto;
                backdrop-filter: blur(16px);
                border-left: 1px solid rgba(255, 255, 255, 0.08);
            }

            .nav-toggle:checked~.nav-menu {
                right: 0;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }

            .nav-list>li>a {
                padding: 14px 16px;
                border-radius: 10px;
                color: rgba(255, 255, 255, 0.85);
                font-size: 1rem;
                justify-content: space-between;
            }

            .nav-list>li.active>a {
                background: rgba(99, 102, 241, 0.2);
            }

            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                width: 100%;
                box-shadow: none;
                border: 1px solid rgba(255, 255, 255, 0.08);
                background: rgba(255, 255, 255, 0.04);
                border-radius: var(--radius);
                margin: 6px 0 14px;
                transition: none;
            }

            .mega-panel::before {
                display: none;
            }

            .has-mega:hover .mega-panel {
                transform: none;
            }

            .mega-inner {
                padding: 18px;
            }

            .mega-thumb {
                display: none;
            }

            .quick-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .quick-card {
                padding: 24px 16px;
            }

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

            .guide-thumb {
                height: 140px;
            }

            .guide-info {
                padding: 16px;
            }

            .guide-info h3 {
                font-size: 0.95rem;
            }

            .guide-info p {
                font-size: 0.82rem;
                line-height: 1.5;
            }

            .guide-meta {
                font-size: 0.75rem;
            }

            .ranking-list {
                padding: 20px;
            }

            .ranking-item {
                padding: 14px 10px;
                gap: 14px;
            }

            .ranking-num {
                font-size: 1.4rem;
                min-width: 36px;
            }

            .ranking-content h4 {
                font-size: 0.9rem;
            }

            .ranking-content p {
                font-size: 0.8rem;
            }

            .deep-item {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .deep-item:nth-child(even) .deep-image {
                order: 0;
            }

            .deep-image {
                height: 220px;
            }

            .deep-content h3 {
                font-size: 1.35rem;
            }

            .deep-content p {
                font-size: 0.88rem;
            }

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

            .stat-num {
                font-size: 2.2rem;
            }

            .cta-box {
                padding: 48px 24px;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .banner-actions {
                flex-direction: column;
                align-items: stretch;
                max-width: 320px;
                margin: 0 auto;
            }

            .banner-actions .btn {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .quick-grid {
                grid-template-columns: 1fr;
            }

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

            .guide-thumb {
                height: 180px;
            }

            .page-banner h1 {
                font-size: 1.7rem;
            }

            .page-banner p {
                font-size: 0.92rem;
            }

            .section-head h2 {
                font-size: 1.45rem;
            }

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

            .ranking-item {
                flex-wrap: wrap;
            }

            .ranking-tag {
                margin-left: auto;
            }

            .ranking-content {
                flex-basis: calc(100% - 60px);
            }

            .cta-box {
                padding: 40px 20px;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #6c3ce0;
    --primary-dark: #4a25b8;
    --primary-light: #8b6cf0;
    --accent: #ff8a4c;
    --accent-dark: #e56e2d;
    --bg: #f5f7fb;
    --bg-deep: #0e1020;
    --bg-card: #ffffff;
    --text: #1e2233;
    --text-body: #4a5065;
    --text-weak: #8a90a6;
    --border: #e3e8f0;
    --border-light: #eef1f6;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 8px rgba(20, 24, 40, 0.06);
    --shadow-md: 0 8px 30px rgba(20, 24, 40, 0.10);
    --shadow-lg: 0 16px 50px rgba(20, 24, 40, 0.14);
    --space-section: 90px;
    --space-section-md: 64px;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; border-radius: var(--radius-sm); }
a { color: inherit; text-decoration: none; transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease, opacity 0.25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { line-height: 1.25; font-weight: 700; color: var(--text); }
.container { width: min(1200px, 92%); margin: 0 auto; }
.section { padding: var(--space-section) 0; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.section-header .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--primary); text-transform: uppercase; margin-bottom: 10px; }
.section-header h2 { font-size: clamp(28px, 4.2vw, 38px); letter-spacing: -0.5px; }
.section-header p { color: var(--text-body); max-width: 640px; margin-top: 8px; }
.section-sub { color: var(--text-weak); font-size: 15px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; border-radius: 50rem; font-weight: 600; font-size: 15px; border: 2px solid transparent; transition: all 0.3s cubic-bezier(0.2, 0.65, 0.3, 1); justify-content: center; text-align: center; }
.btn i { font-size: 13px; transition: transform 0.3s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(108, 60, 224, 0.24); }
.btn:hover i { transform: translateX(4px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border-color: var(--border); color: var(--text); background: var(--bg-card); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-sm); }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { background: #f0edff; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 14px; border-radius: 50rem; font-size: 13px; font-weight: 600; line-height: 1.4; }
.badge-primary { background: rgba(108, 60, 224, 0.12); color: var(--primary); }
.badge-accent { background: rgba(255, 138, 76, 0.14); color: var(--accent-dark); }
.badge-success { background: rgba(31, 179, 121, 0.12); color: #13a86b; }
.badge-neutral { background: rgba(74, 80, 101, 0.10); color: var(--text-body); }
.tag { display: inline-flex; padding: 6px 16px; background: rgba(108, 60, 224, 0.08); border: 1px solid rgba(108, 60, 224, 0.16); color: var(--primary); border-radius: 50rem; font-size: 13px; font-weight: 600; transition: all 0.25s ease; }
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(227, 232, 240, 0.6); }
.site-header .header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; color: var(--text); letter-spacing: -0.3px; }
.logo .logo-icon { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; box-shadow: 0 6px 16px rgba(108, 60, 224, 0.3); }
.nav-toggle { display: none; }
.nav-toggle-label { display: none; cursor: pointer; width: 44px; height: 44px; border-radius: 10px; align-items: center; justify-content: center; font-size: 20px; color: var(--text); transition: background 0.25s ease; }
.nav-toggle-label:hover { background: rgba(108, 60, 224, 0.06); color: var(--primary); }
.nav-menu { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list > li { position: relative; }
.nav-list > li > a { display: flex; align-items: center; gap: 7px; padding: 10px 18px; border-radius: 50rem; font-weight: 600; font-size: 15px; color: var(--text-body); }
.nav-list > li > a i.fa-chevron-down { font-size: 10px; }
.nav-list > li > a:hover { color: var(--primary); background: rgba(108, 60, 224, 0.07); }
.nav-list > li.active > a { color: var(--primary); background: rgba(108, 60, 224, 0.12); font-weight: 700; }
.nav-list > li.has-mega:hover .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-panel { position: absolute; top: calc(100% + 16px); left: 50%; transform: translateX(-50%) translateY(12px); width: min(600px, calc(100vw - 60px)); background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--border-light); padding: 22px; opacity: 0; visibility: hidden; transition: all 0.3s cubic-bezier(0.2, 0.65, 0.3, 1); z-index: 90; }
.mega-panel::before { content: ""; position: absolute; top: -16px; left: 0; right: 0; height: 16px; background: transparent; }
.mega-inner { display: flex; gap: 28px; align-items: center; }
.mega-text { flex: 1; }
.mega-text h3 { font-size: 20px; margin-bottom: 8px; }
.mega-text p { color: var(--text-body); font-size: 14px; margin-bottom: 14px; }
.mega-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.mega-tag { display: inline-block; padding: 5px 12px; background: rgba(108, 60, 224, 0.07); color: var(--primary); border-radius: 50rem; font-size: 12px; font-weight: 600; }
.mega-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 700; font-size: 14px; }
.mega-link i { font-size: 12px; }
.mega-thumb { flex: 0 0 180px; }
.mega-thumb img { width: 180px; height: 120px; object-fit: cover; border-radius: 12px; }
.nav-cta { margin-left: 16px; }

.cat-banner { position: relative; padding: 110px 0 70px; background: linear-gradient(135deg, #0b0d1a 0%, #1a1530 55%, #241b3e 100%); overflow: hidden; }
.cat-banner::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.28; }
.cat-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(14, 16, 32, 0.3) 0%, rgba(20, 16, 40, 0.5) 100%); }
.cat-banner .banner-container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 320px; gap: 60px; align-items: end; }
.banner-crumbs { font-size: 13px; color: rgba(255, 255, 255, 0.55); margin-bottom: 18px; }
.banner-crumbs a { color: rgba(255, 255, 255, 0.8); }
.banner-crumbs a:hover { color: var(--accent); }
.cat-banner h1 { font-size: clamp(34px, 5vw, 50px); font-weight: 800; color: #fff; letter-spacing: -0.5px; line-height: 1.15; margin-bottom: 16px; }
.cat-banner h1 .accent-text { background: linear-gradient(120deg, var(--accent), #ffc078); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.cat-banner p { color: rgba(255, 255, 255, 0.72); font-size: 17px; max-width: 680px; line-height: 1.7; }
.banner-stats { display: flex; gap: 34px; margin-top: 36px; flex-wrap: wrap; }
.banner-stat b { display: block; font-size: 28px; color: #fff; font-weight: 800; }
.banner-stat span { font-size: 13px; color: rgba(255, 255, 255, 0.55); }
.banner-card { background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--radius-lg); padding: 26px; backdrop-filter: blur(14px); }
.banner-card h4 { color: #fff; font-size: 16px; margin-bottom: 12px; }
.banner-card-list { display: flex; flex-direction: column; gap: 12px; }
.banner-card-item { display: flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, 0.8); font-size: 14px; }
.banner-card-item i { color: var(--accent); font-size: 13px; }

.quick-bar { background: var(--bg-card); border-bottom: 1px solid var(--border-light); padding: 18px 0; }
.quick-bar .quick-inner { display: flex; align-items: center; gap: 16px; justify-content: space-between; flex-wrap: wrap; }
.quick-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.quick-tags .tag { font-size: 13px; padding: 7px 16px; }
.quick-search { display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 50rem; padding: 4px 8px; }
.quick-search i { color: var(--text-weak); padding-left: 10px; font-size: 14px; }
.quick-search input { border: none; background: transparent; padding: 9px 12px; font-size: 14px; color: var(--text); outline: none; width: 190px; }
.quick-search button { background: var(--primary); color: #fff; border-radius: 50rem; padding: 8px 18px; font-size: 13px; font-weight: 700; transition: background 0.25s ease; }
.quick-search button:hover { background: var(--primary-dark); }

.featured-news { padding: var(--space-section) 0; }
.featured-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; }
.featured-main { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); min-height: 420px; display: flex; align-items: flex-end; }
.featured-main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.featured-main .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10, 12, 24, 0) 0%, rgba(10, 12, 24, 0.75) 78%, rgba(10, 12, 24, 0.9) 100%); }
.featured-main .featured-content { position: relative; z-index: 2; padding: 38px 32px; color: #fff; }
.featured-main .featured-content .badge { margin-bottom: 12px; }
.featured-main h3 { color: #fff; font-size: 26px; line-height: 1.3; margin-bottom: 10px; }
.featured-main p { color: rgba(255, 255, 255, 0.75); font-size: 15px; }
.featured-list { display: flex; flex-direction: column; gap: 16px; }
.featured-item { display: flex; gap: 18px; background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 18px; transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
.featured-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.featured-item .thumb { flex: 0 0 110px; width: 110px; height: 90px; border-radius: 10px; overflow: hidden; }
.featured-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.featured-item .item-body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.featured-item h4 { font-size: 16px; line-height: 1.45; margin-bottom: 6px; transition: color 0.25s ease; }
.featured-item:hover h4 { color: var(--primary); }
.featured-item .meta { font-size: 12px; color: var(--text-weak); display: flex; gap: 12px; align-items: center; }

.news-tabs { margin-bottom: 38px; display: flex; gap: 10px; flex-wrap: wrap; }
.tab-btn { padding: 10px 24px; border-radius: 50rem; background: var(--bg-card); border: 1px solid var(--border); font-size: 14px; font-weight: 600; color: var(--text-body); transition: all 0.25s ease; }
.tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); transition: all 0.35s cubic-bezier(0.2, 0.65, 0.3, 1); display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(108, 60, 224, 0.25); }
.news-card .card-img { position: relative; overflow: hidden; height: 190px; }
.news-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .card-img img { transform: scale(1.06); }
.news-card .card-img .badge { position: absolute; top: 14px; left: 14px; z-index: 3; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); }
.news-card .card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-card .card-body h3 { font-size: 18px; line-height: 1.45; margin-bottom: 10px; }
.news-card .card-body p { color: var(--text-body); font-size: 14px; line-height: 1.7; margin-bottom: 16px; flex: 1; }
.card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-weak); border-top: 1px solid var(--border-light); padding-top: 14px; margin-top: auto; }
.card-meta .meta-left { display: flex; align-items: center; gap: 6px; }
.card-meta a { color: var(--primary); font-weight: 600; font-size: 13px; }
.card-meta a:hover i { transform: translateX(4px); }
.card-meta a i { transition: transform 0.3s ease; }

.update-strip { background: var(--bg-deep); background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; background-attachment: fixed; position: relative; padding: 70px 0; }
.update-strip::before { content: ""; position: absolute; inset: 0; background: rgba(14, 16, 32, 0.86); }
.update-strip .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 30px; }
.update-strip h2 { color: #fff; font-size: 30px; margin-bottom: 8px; }
.update-strip p { color: rgba(255, 255, 255, 0.7); max-width: 560px; }

.hot-list-section { padding: var(--space-section) 0; }
.hot-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 36px; }
.hot-list { display: flex; flex-direction: column; gap: 14px; }
.hot-item { display: flex; align-items: center; gap: 20px; background: var(--bg-card); border-radius: var(--radius-md); padding: 20px 24px; border: 1px solid var(--border-light); transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
.hot-item:hover { transform: translateX(6px); box-shadow: var(--shadow-sm); border-color: rgba(108, 60, 224, 0.22); }
.hot-rank { font-size: 26px; font-weight: 800; font-style: italic; min-width: 52px; text-align: center; color: var(--border); }
.hot-item:nth-child(1) .hot-rank, .hot-item:nth-child(2) .hot-rank, .hot-item:nth-child(3) .hot-rank { color: var(--primary); }
.hot-item:nth-child(1) .hot-rank { color: var(--accent); }
.hot-item-body { flex: 1; }
.hot-item-body h4 { font-size: 16px; font-weight: 600; color: var(--text); transition: color 0.25s ease; }
.hot-item:hover .hot-item-body h4 { color: var(--primary); }
.hot-item-body p { color: var(--text-weak); font-size: 13px; margin-top: 4px; }
.hot-item .hot-tag { flex: 0 0 auto; }
.hot-aside .sidebar-card { background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-light); padding: 24px; margin-top: 24px; box-shadow: var(--shadow-sm); }
.hot-aside .sidebar-card:first-child { margin-top: 0; }
.sidebar-title { font-size: 17px; font-weight: 700; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.sidebar-title span { width: 4px; height: 18px; background: linear-gradient(180deg, var(--primary), var(--accent)); border-radius: 4px; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.activity-card { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--border-light); }
.activity-card:last-child { border-bottom: 0; }
.activity-dot { width: 34px; height: 34px; border-radius: 10px; background: rgba(255, 138, 76, 0.12); color: var(--accent-dark); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; flex: 0 0 34px; }
.activity-text { font-size: 14px; font-weight: 500; color: var(--text); line-height: 1.4; }
.activity-text span { display: block; font-size: 12px; color: var(--text-weak); font-weight: 400; margin-top: 2px; }

.event-section { background: linear-gradient(180deg, var(--bg) 0%, #f0edfa 100%); }
.event-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.event-card { border-radius: var(--radius-md); overflow: hidden; position: relative; height: 240px; box-shadow: var(--shadow-sm); transition: all 0.35s ease; }
.event-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.event-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.event-card:hover img { transform: scale(1.06); }
.event-card .ec-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10, 12, 24, 0.1) 0%, rgba(10, 12, 24, 0.65) 100%); }
.event-card .ec-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px; z-index: 2; color: #fff; }
.event-card .ec-body h3 { color: #fff; font-size: 19px; margin: 8px 0 4px; }
.event-card .ec-body p { font-size: 13px; color: rgba(255, 255, 255, 0.8); }

.faq-section { padding: var(--space-section) 0; }
.faq-wrap { max-width: 840px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius-md); margin-bottom: 10px; transition: all 0.25s ease; box-shadow: var(--shadow-sm); }
.faq-item:hover { border-color: rgba(108, 60, 224, 0.2); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; padding: 22px 24px; cursor: pointer; font-size: 16px; font-weight: 600; font-family: inherit; color: var(--text); border-radius: var(--radius-md); list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--primary); font-size: 14px; transition: transform 0.3s ease; flex: 0 0 auto; }
.faq-item[open] summary { color: var(--primary); border-bottom: 1px solid var(--border-light); border-radius: var(--radius-md) var(--radius-md) 0 0; }
.faq-item[open] summary i { transform: rotate(180deg); }
.faq-item .faq-body { padding: 20px 24px; color: var(--text-body); font-size: 15px; }

.cta-block { padding: 70px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: var(--radius-lg); position: relative; overflow: hidden; }
.cta-block::after { content: ""; position: absolute; top: -80px; right: -40px; width: 240px; height: 240px; border-radius: 50%; background: rgba(255, 255, 255, 0.08); }
.cta-block::before { content: ""; position: absolute; bottom: -60px; left: 20px; width: 160px; height: 160px; border-radius: 50%; background: rgba(255, 255, 255, 0.06); }
.cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: clamp(23px, 3vw, 32px); margin-bottom: 6px; }
.cta-inner p { color: rgba(255, 255, 255, 0.85); max-width: 560px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.site-footer { background: #111322; padding: 70px 0 0; color: rgba(255, 255, 255, 0.65); }
.site-footer .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 50px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo .logo-icon { background: linear-gradient(135deg, var(--primary-light), var(--primary)); box-shadow: 0 6px 16px rgba(108, 60, 224, 0.3); }
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.65); }
.footer-links a i { font-size: 10px; color: rgba(255, 255, 255, 0.35); transition: all 0.25s ease; }
.footer-links a:hover { color: var(--primary-light); }
.footer-links a:hover i { color: var(--primary-light); transform: translateX(3px); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, 0.45); }

@media (max-width: 1024px) {
    .featured-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .event-grid { grid-template-columns: repeat(2, 1fr); }
    .hot-layout { grid-template-columns: 1fr; }
    .cat-banner .banner-container { grid-template-columns: 1fr; gap: 34px; }
    .banner-card { max-width: 480px; }
}
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .nav-toggle-label { display: inline-flex; }
    .nav-menu { position: fixed; top: 76px; left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md); padding: 20px; flex-direction: column; align-items: flex-start; gap: 8px; transform: translateY(-16px); opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 99; }
    .nav-toggle:checked ~ .nav-menu { transform: translateY(0); opacity: 1; visibility: visible; }
    .nav-list { flex-direction: column; align-items: flex-start; width: 100%; gap: 4px; }
    .nav-list > li { width: 100%; }
    .nav-list > li > a { padding: 12px 16px; width: 100%; justify-content: space-between; border-radius: 10px; }
    .mega-panel { position: static; transform: none; width: 100%; opacity: 1; visibility: visible; display: none; box-shadow: none; margin-top: 4px; padding: 16px; background: rgba(245, 247, 251, 0.7); border-radius: 14px; }
    .nav-list > li.has-mega.show-mobile .mega-panel, .mega-panel:hover { display: block; }
    .mega-inner { flex-direction: column; }
    .mega-thumb, .mega-thumb img { width: 100%; flex: none; }
    .nav-cta { margin-left: 0; margin-top: 12px; width: 100%; }
    .nav-cta .btn { width: 100%; }
    .news-grid { grid-template-columns: 1fr; }
    .event-grid { grid-template-columns: 1fr; }
    .featured-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .quick-search { display: none; }
}
@media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; }
    .hot-item { flex-direction: column; align-items: flex-start; gap: 12px; }
    .hot-rank { min-width: auto; }
    .featured-item { flex-direction: column; }
    .featured-item .thumb { width: 100%; height: 150px; flex: none; }
    .cat-banner h1 { font-size: 30px; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .banner-stats { gap: 20px; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .cta-actions .btn { width: 100%; }
}