/* roulang page: index */
:root {
        --primary: #0b2e59;
        --primary-light: #14437a;
        --primary-dark: #061c37;
        --accent: #f5a623;
        --accent-hover: #e09400;
        --cyan: #00b8d4;
        --bg: #f5f7fa;
        --bg-white: #ffffff;
        --bg-deep: #0a1628;
        --text: #172b3a;
        --text-light: #5b7088;
        --text-muted: #8a9bab;
        --border: #e4e9ef;
        --radius: 14px;
        --radius-sm: 8px;
        --radius-md: 20px;
        --shadow: 0 6px 24px rgba(7, 24, 47, 0.07);
        --shadow-hover: 0 14px 42px rgba(7, 24, 47, 0.14);
        --shadow-btn: 0 4px 16px rgba(245, 166, 35, 0.3);
        --space-xs: 8px;
        --space-sm: 16px;
        --space-md: 32px;
        --space-lg: 64px;
        --space-xl: 96px;
        --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }

    body {
        font-family: var(--font-main);
        background: var(--bg);
        color: var(--text);
        line-height: 1.65;
        -webkit-font-smoothing: antialiased;
    }

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

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

    button, input {
        font-family: inherit;
        border: none;
        background: none;
        outline: none;
    }

    ul, ol {
        list-style: none;
    }

    .container-x {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
        width: 100%;
    }

    /* ========== Header ========== */
    .site-header {
        background: var(--bg-white);
        box-shadow: 0 2px 18px rgba(10, 22, 40, 0.06);
        position: relative;
        z-index: 100;
        border-bottom: 1px solid var(--border);
    }

    .brand-bar {
        padding: 16px 0;
    }

    .brand-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 14px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-weight: 800;
        font-size: 1.5rem;
        color: var(--primary);
        letter-spacing: 0.5px;
    }

    .logo-icon {
        width: 44px;
        height: 44px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
        box-shadow: 0 4px 14px rgba(11, 46, 89, 0.25);
        flex-shrink: 0;
    }

    .logo-text {
        background: linear-gradient(120deg, var(--primary) 20%, var(--accent) 90%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .brand-right {
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .search-box {
        display: flex;
        align-items: center;
        background: var(--bg);
        border-radius: 40px;
        border: 1px solid var(--border);
        padding: 6px 6px 6px 18px;
        transition: var(--transition);
        width: 240px;
    }

    .search-box:focus-within {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
        background: var(--bg-white);
    }

    .search-box input {
        flex: 1;
        font-size: 0.9rem;
        color: var(--text);
        width: 100%;
    }

    .search-box input::placeholder {
        color: var(--text-muted);
    }

    .search-box button {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: var(--accent);
        color: #fff;
        font-size: 14px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .search-box button:hover {
        background: var(--accent-hover);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 0.95rem;
        cursor: pointer;
        transition: var(--transition);
        border: 2px solid transparent;
        letter-spacing: 0.3px;
        white-space: nowrap;
    }

    .btn-primary {
        background: linear-gradient(135deg, #ffb43b, #f09300);
        color: #fff;
        box-shadow: var(--shadow-btn);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(245, 166, 35, 0.4);
    }

    .btn-outline {
        background: transparent;
        border-color: rgba(255, 255, 255, 0.6);
        color: #fff;
    }

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

    .btn-cta {
        background: var(--accent);
        color: #fff;
        padding: 14px 36px;
        font-size: 1rem;
        box-shadow: 0 6px 20px rgba(245, 166, 35, 0.35);
    }

    .btn-cta:hover {
        transform: translateY(-3px) scale(1.02);
        background: var(--accent-hover);
        box-shadow: 0 10px 30px rgba(245, 166, 35, 0.45);
    }

    .btn-small {
        padding: 8px 20px;
        font-size: 0.85rem;
        border-radius: 40px;
    }

    /* 频道导航 */
    .nav-bar {
        background: var(--primary);
        position: relative;
    }

    .nav-bar::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, var(--accent), var(--cyan), var(--accent));
        opacity: 0.6;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 0;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav-menu::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, 0.85);
        font-weight: 500;
        font-size: 0.95rem;
        padding: 14px 22px;
        border-bottom: 3px solid transparent;
        transition: var(--transition);
        position: relative;
        white-space: nowrap;
    }

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

    .nav-link.active {
        color: var(--accent);
        font-weight: 700;
        border-bottom-color: var(--accent);
        background: rgba(245, 166, 35, 0.08);
    }

    .nav-link i {
        font-size: 14px;
        opacity: 0.8;
    }

    .nav-toggle {
        display: none;
        background: transparent;
        color: #fff;
        font-size: 20px;
        padding: 10px 16px;
        cursor: pointer;
    }

    .mobile-search {
        display: none;
    }

    /* ========== Hero ========== */
    .hero {
        position: relative;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        padding: 110px 0 80px;
        color: #fff;
        overflow: hidden;
    }

    .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(6, 18, 34, 0.92) 0%, rgba(11, 46, 89, 0.75) 50%, rgba(6, 18, 34, 0.55) 100%);
        z-index: 1;
    }

    .hero .container-x {
        position: relative;
        z-index: 2;
    }

    .hero-inner {
        max-width: 700px;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(245, 166, 35, 0.18);
        border: 1px solid rgba(245, 166, 35, 0.5);
        color: var(--accent);
        padding: 6px 18px;
        border-radius: 40px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 22px;
        backdrop-filter: blur(6px);
    }

    .hero-badge i {
        font-size: 14px;
    }

    .hero h1 {
        font-size: 3.4rem;
        font-weight: 900;
        line-height: 1.2;
        margin-bottom: 20px;
        letter-spacing: 1px;
        background: linear-gradient(90deg, #ffffff 0%, #ffd78a 60%, #f5a623 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero p {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 30px;
        line-height: 1.8;
        max-width: 560px;
    }

    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        margin-bottom: 50px;
    }

    .hero-stats {
        display: flex;
        gap: 48px;
        flex-wrap: wrap;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding-top: 34px;
    }

    .stat-item {
        display: flex;
        flex-direction: column;
    }

    .stat-number {
        font-size: 2rem;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.2;
    }

    .stat-label {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.7);
        margin-top: 4px;
    }

    /* ========== Section Common ========== */
    .section {
        padding: var(--space-xl) 0;
    }

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

    .section-deep {
        background: var(--bg-deep);
        color: #fff;
    }

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

    .section-tag {
        display: inline-block;
        color: var(--accent);
        font-weight: 700;
        font-size: 0.85rem;
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-bottom: 12px;
        background: rgba(245, 166, 35, 0.1);
        padding: 4px 16px;
        border-radius: 30px;
    }

    .section-head h2 {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.3;
        margin-bottom: 14px;
    }

    .section-head p {
        color: var(--text-light);
        font-size: 1rem;
        line-height: 1.8;
    }

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

    .section-deep .section-head p {
        color: rgba(255, 255, 255, 0.7);
    }

    /* ========== Stats Cards ========== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .stat-card {
        background: var(--bg-white);
        border-radius: var(--radius);
        padding: 32px 28px;
        text-align: center;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

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

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

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

    .stat-card i {
        font-size: 2rem;
        color: var(--accent);
        margin-bottom: 14px;
    }

    .stat-card .stat-value {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
    }

    .stat-card .stat-desc {
        font-size: 0.9rem;
        color: var(--text-light);
        margin-top: 8px;
    }

    /* ========== About Platform ========== */
    .about-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .about-image {
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: 0 16px 48px rgba(7, 24, 47, 0.2);
        position: relative;
    }

    .about-image img {
        width: 100%;
        height: 420px;
        object-fit: cover;
    }

    .about-image .image-badge {
        position: absolute;
        bottom: 20px;
        left: 20px;
        background: rgba(11, 46, 89, 0.85);
        backdrop-filter: blur(8px);
        color: #fff;
        padding: 10px 20px;
        border-radius: 40px;
        font-size: 0.85rem;
        font-weight: 600;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .about-content h2 {
        font-size: 2rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.3;
        margin-bottom: 18px;
    }

    .about-content > p {
        color: var(--text-light);
        line-height: 1.9;
        margin-bottom: 26px;
        font-size: 1.02rem;
    }

    .feature-list {
        display: flex;
        flex-direction: column;
        gap: 18px;
        margin-bottom: 34px;
    }

    .feature-list li {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        padding: 16px 20px;
        background: var(--bg);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

    .feature-list li:hover {
        border-color: var(--accent);
        background: #fffbf3;
    }

    .feature-list .icon-wrap {
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        border-radius: 10px;
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        flex-shrink: 0;
    }

    .feature-list h4 {
        font-size: 0.98rem;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 3px;
    }

    .feature-list p {
        font-size: 0.88rem;
        color: var(--text-light);
        line-height: 1.6;
    }

    /* ========== Channel Entry ========== */
    .channel-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .channel-card {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: var(--transition);
        min-height: 300px;
        display: flex;
        align-items: flex-end;
        cursor: pointer;
        background: var(--bg-deep);
    }

    .channel-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-hover);
    }

    .channel-card img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.55;
        transition: var(--transition);
    }

    .channel-card:hover img {
        transform: scale(1.06);
        opacity: 0.4;
    }

    .channel-card .card-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(6, 18, 34, 0.1) 0%, rgba(6, 18, 34, 0.55) 55%, rgba(6, 18, 34, 0.88) 100%);
    }

    .channel-card .card-content {
        position: relative;
        z-index: 2;
        padding: 32px;
        width: 100%;
    }

    .channel-card .channel-tag {
        display: inline-block;
        background: var(--accent);
        color: #fff;
        font-size: 0.78rem;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: 30px;
        margin-bottom: 12px;
        letter-spacing: 1px;
    }

    .channel-card h3 {
        color: #fff;
        font-size: 1.5rem;
        font-weight: 800;
        margin-bottom: 10px;
    }

    .channel-card p {
        color: rgba(255, 255, 255, 0.85);
        font-size: 0.92rem;
        line-height: 1.7;
        margin-bottom: 18px;
        max-width: 460px;
    }

    .channel-card .card-link {
        color: var(--accent);
        font-weight: 700;
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .channel-card .card-link i {
        transition: transform 0.3s;
    }

    .channel-card:hover .card-link i {
        transform: translateX(6px);
    }

    /* ========== Latest News ========== */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 26px;
    }

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

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

    .news-card-image {
        height: 180px;
        overflow: hidden;
        position: relative;
        background: var(--primary-light);
    }

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

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

    .news-card-image::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 50%, rgba(6, 18, 34, 0.35));
    }

    .news-card-body {
        padding: 24px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .news-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 14px;
        flex-wrap: wrap;
    }

    .badge {
        background: rgba(245, 166, 35, 0.12);
        color: #c47d00;
        font-size: 0.75rem;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: 30px;
        border: 1px solid rgba(245, 166, 35, 0.3);
    }

    .news-meta time {
        font-size: 0.82rem;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .news-card-body h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text);
        line-height: 1.5;
        margin-bottom: 10px;
    }

    .news-card-body h3 a {
        color: inherit;
    }

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

    .news-card-body > p {
        font-size: 0.88rem;
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 16px;
        flex: 1;
    }

    .read-more {
        color: var(--primary);
        font-weight: 600;
        font-size: 0.85rem;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: auto;
    }

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

    .read-more:hover i {
        transform: translateX(4px);
    }

    .read-more i {
        transition: transform 0.3s;
    }

    .empty-tip {
        background: var(--bg-white);
        border: 1px dashed var(--border);
        border-radius: var(--radius);
        padding: 60px 30px;
        text-align: center;
        color: var(--text-light);
        font-size: 1rem;
        grid-column: 1 / -1;
    }

    .empty-tip i {
        display: block;
        font-size: 2.5rem;
        color: var(--text-muted);
        margin-bottom: 14px;
    }

    /* ========== Process ========== */
    .process-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
        position: relative;
    }

    .process-grid::before {
        content: "";
        position: absolute;
        top: 56px;
        left: 10%;
        right: 10%;
        height: 2px;
        background: linear-gradient(90deg, var(--accent), var(--cyan), var(--accent));
        opacity: 0.3;
        z-index: 0;
    }

    .process-card {
        text-align: center;
        position: relative;
        z-index: 1;
        padding: 24px 16px;
        background: var(--bg-white);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

    .process-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-hover);
    }

    .process-step {
        width: 64px;
        height: 64px;
        margin: 0 auto 18px;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        color: #fff;
        font-weight: 800;
        border: 4px solid var(--bg);
        box-shadow: 0 6px 18px rgba(11, 46, 89, 0.25);
    }

    .process-card h4 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 10px;
    }

    .process-card p {
        font-size: 0.88rem;
        color: var(--text-light);
        line-height: 1.7;
    }

    /* ========== FAQ ========== */
    .faq-wrapper {
        max-width: 820px;
        margin: 0 auto;
    }

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

    .faq-item:hover {
        border-color: rgba(245, 166, 35, 0.5);
        box-shadow: 0 4px 20px rgba(7, 24, 47, 0.06);
    }

    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 22px 26px;
        cursor: pointer;
        font-weight: 600;
        color: var(--text);
        font-size: 1rem;
        list-style: none;
        position: relative;
    }

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

    .faq-item summary i {
        color: var(--accent);
        font-size: 1.2rem;
        transition: transform 0.3s;
        flex-shrink: 0;
    }

    .faq-item[open] summary i {
        transform: rotate(45deg);
    }

    .faq-answer {
        padding: 0 26px 24px;
        color: var(--text-light);
        line-height: 1.9;
        font-size: 0.95rem;
        border-top: 1px dashed var(--border);
        margin: 0 26px;
        padding-left: 0;
        padding-right: 0;
        padding-top: 18px;
    }

    .faq-answer p {
        margin-bottom: 8px;
    }

    .faq-answer p:last-child {
        margin-bottom: 0;
    }

    /* ========== CTA ========== */
    .cta-section {
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        padding: 90px 0;
        position: relative;
        text-align: center;
        color: #fff;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(6, 18, 34, 0.92), rgba(11, 46, 89, 0.78));
    }

    .cta-section .container-x {
        position: relative;
        z-index: 1;
    }

    .cta-section h2 {
        font-size: 2.4rem;
        font-weight: 800;
        margin-bottom: 16px;
        color: #fff;
    }

    .cta-section p {
        color: rgba(255, 255, 255, 0.85);
        font-size: 1.05rem;
        max-width: 620px;
        margin: 0 auto 36px;
        line-height: 1.8;
    }

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

    .btn-white {
        background: #fff;
        color: var(--primary);
        font-weight: 700;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .btn-white:hover {
        background: #f0f2f5;
        transform: translateY(-3px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    }

    .btn-ghost {
        background: transparent;
        border: 2px solid rgba(255, 255, 255, 0.7);
        color: #fff;
        font-weight: 600;
    }

    .btn-ghost:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: #fff;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--bg-deep);
        color: rgba(255, 255, 255, 0.7);
        padding: 70px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 50px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .footer-brand .logo-text {
        background: linear-gradient(120deg, #ffffff 20%, var(--accent) 90%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .footer-brand p {
        font-size: 0.9rem;
        line-height: 1.8;
        max-width: 340px;
        color: rgba(255, 255, 255, 0.6);
    }

    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }

    .footer-col h4::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 28px;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
    }

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

    .footer-col ul a {
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.88rem;
        transition: var(--transition);
    }

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

    .footer-col ul a i {
        margin-right: 8px;
        font-size: 12px;
        opacity: 0.7;
    }

    .footer-bottom {
        padding: 22px 0;
        text-align: center;
        font-size: 0.82rem;
        color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.55);
    }

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

    /* ========== Floating ========== */
    .float-tip {
        position: fixed;
        bottom: 30px;
        right: 30px;
        background: var(--primary);
        color: #fff;
        padding: 14px 22px;
        border-radius: 50px;
        box-shadow: 0 8px 30px rgba(11, 46, 89, 0.4);
        font-size: 0.9rem;
        font-weight: 600;
        z-index: 999;
        display: flex;
        align-items: center;
        gap: 10px;
        border: 1px solid rgba(255, 255, 255, 0.15);
        transition: var(--transition);
        cursor: pointer;
    }

    .float-tip:hover {
        transform: translateY(-4px) scale(1.03);
        box-shadow: 0 12px 40px rgba(11, 46, 89, 0.5);
    }

    .float-tip i {
        color: var(--accent);
    }

    /* ========== Responsive ========== */
    @media screen and (max-width: 1024px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

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

        .about-image img {
            height: 340px;
        }

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

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

        .process-grid::before {
            display: none;
        }

        .hero h1 {
            font-size: 2.8rem;
        }

        .search-box {
            width: 200px;
        }
    }

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

        .brand-row {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .brand-right {
            width: 100%;
            justify-content: space-between;
        }

        .search-box {
            flex: 1;
            width: auto;
            max-width: 280px;
        }

        .nav-menu {
            padding: 0 8px;
        }

        .nav-link {
            padding: 12px 16px;
            font-size: 0.88rem;
        }

        .hero {
            padding: 80px 0 60px;
        }

        .hero h1 {
            font-size: 2.2rem;
        }

        .hero p {
            font-size: 1rem;
        }

        .hero-stats {
            gap: 24px;
        }

        .stat-number {
            font-size: 1.6rem;
        }

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

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

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

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

        .footer-brand {
            grid-column: 1 / -1;
        }

        .float-tip {
            bottom: 20px;
            right: 20px;
            padding: 12px 18px;
            font-size: 0.82rem;
        }
    }

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

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

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

        .hero h1 {
            font-size: 1.8rem;
        }

        .hero-actions {
            flex-direction: column;
        }

        .hero-actions .btn {
            width: 100%;
        }

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

        .section-head h2 {
            font-size: 1.6rem;
        }

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

        .float-tip {
            display: none;
        }
    }

/* roulang page: category1 */
:root {
    --primary: #0b2d5c;
    --primary-dark: #071f44;
    --accent: #f0a500;
    --accent-2: #ffc247;
    --bg: #f4f6fb;
    --bg-light: #ffffff;
    --text: #14213d;
    --text-muted: #5b6b84;
    --border: #e3e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 28px rgba(11, 45, 92, 0.08);
    --shadow-lg: 0 16px 44px rgba(11, 45, 92, 0.15);
    --transition: all 0.3s ease;
    --font: 'HarmonyOS Sans', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; }
.container-x { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.rowx { max-width: 100%; margin: 0 auto; }

/* ===== 通用按钮 ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border-radius: 999px; font-weight: 600; border: 2px solid transparent;
    cursor: pointer; transition: var(--transition); line-height: 1.4;
}
.btn-small { padding: 8px 22px; font-size: 14px; }
.btn-large { padding: 14px 34px; font-size: 16px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(11,45,92,.25); }
.btn-outline-light { border-color: rgba(255,255,255,.85); color: #fff; background: transparent; }
.btn-outline-light:hover { background: #fff; color: var(--primary); transform: translateY(-2px); }
.btn-gold { background: var(--accent); color: #14213d; }
.btn-gold:hover { background: var(--accent-2); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(240,165,0,.32); }
.btn-outline { border-color: rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }

/* ===== 站点头部 ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 14px rgba(0,0,0,.06); }
.brand-bar { background: linear-gradient(90deg, #ffffff, #f7faff); border-bottom: 1px solid var(--border); }
.brand-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 16px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; }
.logo-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #123c7a); color: #fff; border-radius: 12px; font-size: 17px; box-shadow: 0 4px 12px rgba(11,45,92,.25); flex-shrink: 0; }
.logo-text { color: var(--primary); letter-spacing: 1px; font-size: 22px; }
.brand-right { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; align-items: center; background: #f0f3f9; border-radius: 999px; padding: 4px 6px 4px 16px; width: 260px; border: 1px solid var(--border); transition: var(--transition); }
.search-box:focus-within { box-shadow: 0 0 0 3px rgba(11,45,92,.1); border-color: rgba(11,45,92,.3); }
.search-box input { flex: 1; border: none; background: transparent; outline: none; font-size: 14px; color: var(--text); min-width: 0; }
.search-box button { width: 34px; height: 34px; border: none; border-radius: 50%; background: var(--primary); color: #fff; cursor: pointer; transition: var(--transition); flex-shrink: 0; }
.search-box button:hover { background: var(--primary-dark); }
.nav-bar { background: var(--primary); position: relative; }
.nav-bar .container-x { display: flex; align-items: center; }
.nav-menu { display: flex; align-items: center; gap: 8px; flex: 1; padding: 0; overflow-x: auto; scrollbar-width: none; }
.nav-menu::-webkit-scrollbar { display: none; }
.nav-menu .nav-link { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; color: rgba(255,255,255,.85); font-size: 15px; font-weight: 500; border-bottom: 3px solid transparent; white-space: nowrap; transition: var(--transition); background: none; cursor: pointer; }
.nav-menu .nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-menu .nav-link.active { color: #fff; border-bottom-color: var(--accent); background: rgba(255,255,255,.06); }
.nav-toggle { display: none; margin-left: auto; background: none; border: none; color: #fff; font-size: 22px; padding: 10px 12px; cursor: pointer; border-radius: 8px; transition: var(--transition); }
.nav-toggle:hover { background: rgba(255,255,255,.1); }

/* ===== 分类页横幅 ===== */
.page-banner { position: relative; background-size: cover; background-position: center; padding: 110px 0 90px; color: #fff; }
.page-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(95deg, rgba(7,31,68,.94) 10%, rgba(11,45,92,.82) 70%, rgba(11,45,92,.5)); }
.page-banner .container-x { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,.72); margin-bottom: 18px; flex-wrap: wrap; }
.breadcrumb i { font-size: 12px; opacity: .8; }
.breadcrumb a:hover { color: var(--accent-2); }
.page-banner h1 { font-size: 42px; line-height: 1.2; font-weight: 800; margin: 0 0 16px; max-width: 680px; }
.page-banner .lead { font-size: 17px; max-width: 580px; color: rgba(255,255,255,.85); margin: 0 0 28px; }
.banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.banner-badges { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.banner-badge { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 6px 18px; font-size: 13px; font-weight: 500; backdrop-filter: blur(4px); }
.banner-badge i { margin-right: 6px; color: var(--accent-2); }

/* ===== 区块通用 ===== */
.section { padding: 80px 0; }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(11,45,92,.08); color: var(--primary); padding: 6px 18px; border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: 1px; }
.section-head h2 { font-size: 32px; font-weight: 800; margin: 16px 0 0; line-height: 1.3; }
.section-head p { color: var(--text-muted); margin: 12px 0 0; font-size: 15px; }
.col-gap { padding: 0 12px; margin-bottom: 28px; }

/* ===== 信息卡 ===== */
.info-strip { padding: 60px 0; }
.data-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 26px; text-align: center; height: 100%; box-shadow: var(--shadow); transition: var(--transition); }
.data-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.data-icon { width: 58px; height: 58px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #1b4b95); color: #fff; border-radius: 16px; font-size: 23px; box-shadow: 0 6px 16px rgba(11,45,92,.2); }
.data-card h3 { font-size: 18px; margin: 0 0 8px; }
.data-card p { color: var(--text-muted); font-size: 14px; margin: 0; }

/* ===== 指南卡片 ===== */
.guide-grid { background: var(--bg-light); }
.guide-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition); height: 100%; display: flex; flex-direction: column; }
.guide-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cover-wrap { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: #e8ecf3; }
.cover-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.guide-card:hover .cover-wrap img { transform: scale(1.05); }
.card-tag { position: absolute; top: 14px; left: 14px; background: rgba(255,255,255,.93); color: var(--primary); padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 700; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 18px; line-height: 1.45; margin: 0 0 10px; }
.card-body p { color: var(--text-muted); font-size: 14px; margin-bottom: 18px; flex: 1; }
.card-link { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.card-link i { transition: var(--transition); }
.card-link:hover { color: var(--accent); }
.card-link:hover i { transform: translateX(4px); }

/* ===== 流程图板块 ===== */
.process-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.process-image img { width: 100%; height: 100%; object-fit: cover; }
.process-content { padding: 10px 0 10px 40px; }
.process-content h2 { font-size: 30px; font-weight: 800; margin: 16px 0 10px; line-height: 1.3; }
.process-content .sub { color: var(--text-muted); font-size: 15px; margin: 0; }
.step-list { margin-top: 26px; }
.step-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--border); }
.step-item:last-child { border-bottom: none; }
.step-num { flex: 0 0 46px; width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; background: rgba(11,45,92,.08); color: var(--primary); font-weight: 800; font-size: 16px; border-radius: 13px; }
.step-item h4 { font-size: 16px; margin: 0 0 4px; }
.step-item p { color: var(--text-muted); font-size: 14px; margin: 0; }

/* ===== 深色数据区块 ===== */
.stats-section { position: relative; background-size: cover; background-position: center; color: #fff; padding: 90px 0; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,31,68,.94), rgba(7,31,68,.88)); }
.stats-section .container-x { position: relative; z-index: 2; }
.stats-row { display: flex; flex-wrap: wrap; }
.stat-item { flex: 1 1 25%; text-align: center; padding: 24px 12px; }
.stat-num { font-size: 50px; font-weight: 800; line-height: 1; background: linear-gradient(90deg, #ffd66b, var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-num span { font-size: 26px; }
.stat-item p { color: rgba(255,255,255,.75); margin: 12px 0 0; font-size: 14px; letter-spacing: 1px; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-light); }
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item { background: #fafbfe; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.faq-item.open { box-shadow: var(--shadow); border-color: rgba(11,45,92,.2); background: #fff; }
.faq-q { display: flex; justify-content: space-between; align-items: center; width: 100%; gap: 16px; padding: 20px 24px; background: none; border: none; font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; text-align: left; transition: var(--transition); }
.faq-q:hover { color: var(--primary); }
.faq-q i { font-size: 18px; transition: var(--transition); color: var(--primary); flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 24px 22px; color: var(--text-muted); font-size: 14px; margin: 0; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; }
.cta-card { background: linear-gradient(135deg, var(--primary) 0%, #0d3d7a 100%); border-radius: 24px; padding: 64px 40px; text-align: center; position: relative; overflow: hidden; color: #fff; box-shadow: var(--shadow-lg); }
.cta-card::before, .cta-card::after { content: ''; position: absolute; width: 240px; height: 240px; border-radius: 50%; pointer-events: none; }
.cta-card::before { top: -90px; right: -60px; background: rgba(255,255,255,.07); }
.cta-card::after { bottom: -110px; left: -60px; background: rgba(240,165,0,.14); }
.cta-card h2 { font-size: 32px; margin: 0 0 14px; position: relative; z-index: 1; }
.cta-card p { color: rgba(255,255,255,.82); max-width: 560px; margin: 0 auto 30px; font-size: 15px; position: relative; z-index: 1; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ===== 页脚 ===== */
.site-footer { background: #0a1830; color: #c6d3e8; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .logo { color: #fff; }
.footer-brand .logo-icon { background: linear-gradient(135deg, var(--accent), #ffc247); color: var(--primary); box-shadow: none; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; color: #8fa2bd; margin: 18px 0 0; line-height: 1.8; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 16px; margin: 0 0 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #8fa2bd; font-size: 14px; display: inline-flex; align-items: center; }
.footer-col ul li a i { margin-right: 6px; font-size: 13px; color: var(--accent); }
.footer-col ul li a:hover { color: var(--accent-2); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; text-align: center; font-size: 13px; color: #7b8b9f; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .page-banner h1 { font-size: 36px; }
    .section { padding: 60px 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .process-content { padding-left: 0; padding-top: 28px; }
    .stat-item { flex: 1 1 50%; }
}
@media (max-width: 768px) {
    .container-x { padding: 0 20px; }
    .brand-row { gap: 12px; }
    .search-box { width: 200px; }
    .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .nav-menu { display: none; flex-direction: column; align-items: stretch; position: absolute; top: 100%; left: 0; right: 0; background: var(--primary); box-shadow: 0 14px 24px rgba(0,0,0,.2); z-index: 99; padding: 8px 0; gap: 0; overflow: visible; }
    .nav-menu.open { display: flex; }
    .nav-menu .nav-link { border-bottom: 1px solid rgba(255,255,255,.08); border-bottom-width: 1px; padding: 14px 20px; border-radius: 0; }
    .nav-menu .nav-link.active { border-left: 3px solid var(--accent); border-bottom-width: 1px; }
    .page-banner { padding: 80px 0 60px; }
    .page-banner h1 { font-size: 30px; }
    .section-head h2 { font-size: 26px; }
    .cta-card { padding: 44px 24px; }
    .cta-card h2 { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
    .container-x { padding: 0 16px; }
    .brand-row { flex-direction: column; align-items: stretch; text-align: center; }
    .brand-right { flex-direction: column; width: 100%; }
    .search-box { width: 100%; }
    .btn-small { width: 100%; }
    .banner-actions { flex-direction: column; }
    .banner-actions .btn { width: 100%; }
    .page-banner h1 { font-size: 26px; }
    .stat-num { font-size: 38px; }
    .stat-item { flex: 1 1 100%; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; }
}

/* roulang page: article */
:root {
    --primary: #0f3d91;
    --primary-light: #2563eb;
    --primary-dark: #0a2a66;
    --accent: #f6b01c;
    --accent-light: #ffc94d;
    --dark: #0b1220;
    --bg: #f5f7fb;
    --white: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 30px rgba(15, 61, 145, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 61, 145, 0.15);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; outline: none; }
.container-x {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
/* Header */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(15, 61, 145, 0.08);
    position: sticky;
    top: 0;
    z-index: 999;
}
.brand-bar { border-bottom: 1px solid var(--border); }
.brand-row { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 6px 18px rgba(15, 61, 145, 0.25);
}
.logo-text { font-size: 24px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; white-space: nowrap; }
.brand-right { display: flex; align-items: center; gap: 12px; }
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg);
    border-radius: 40px;
    padding: 4px 6px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15, 61, 145, 0.1); }
.search-box input {
    border: none;
    background: transparent;
    padding: 8px 12px;
    width: 220px;
    font-size: 14px;
    color: var(--text);
}
.search-box button {
    background: var(--primary);
    color: #fff;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.search-box button:hover { background: var(--primary-dark); }
.nav-bar { background: var(--white); }
.nav-menu { display: flex; gap: 32px; align-items: center; height: 56px; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-light);
    position: relative;
    padding: 12px 0;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); border-bottom-color: var(--primary); }
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; box-shadow: 0 6px 20px rgba(15, 61, 145, 0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(15, 61, 145, 0.35); }
.btn-small { padding: 8px 20px; font-size: 14px; }
.btn-accent { background: linear-gradient(135deg, var(--accent), #f97316); color: #0b1220; box-shadow: 0 6px 20px rgba(246, 176, 28, 0.3); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(246, 176, 28, 0.4); }
.btn-light { background: transparent; border: 2px solid rgba(255, 255, 255, 0.7); color: #fff; }
.btn-light:hover { background: rgba(255, 255, 255, 0.15); border-color: #fff; transform: translateY(-2px); }
/* Article Banner */
.page-banner {
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    position: relative;
    padding: 80px 0 70px;
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(11, 18, 32, 0.88), rgba(15, 61, 145, 0.55));
}
.page-banner .container-x { position: relative; z-index: 1; }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.breadcrumb a { display: inline-flex; align-items: center; gap: 5px; color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: 0.6; }
.page-banner h1 {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    max-width: 760px;
    margin-bottom: 18px;
    word-break: break-word;
}
.article-meta { display: flex; gap: 24px; flex-wrap: wrap; color: rgba(255, 255, 255, 0.8); font-size: 14px; }
.article-meta span { display: flex; align-items: center; gap: 6px; }
/* Article Layout */
.article-area { padding: 60px 0 50px; }
.article-main {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
}
.article-content { font-size: 16px; line-height: 1.9; color: var(--text); }
.article-content h2, .article-content h3 { margin: 30px 0 16px; font-weight: 700; color: var(--primary-dark); }
.article-content p { margin-bottom: 20px; }
.article-content img { border-radius: var(--radius-sm); margin: 20px 0; }
.article-content ul, .article-content ol { margin-bottom: 20px; padding-left: 20px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: #fff9f0;
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 20px 0;
    color: var(--text);
}
.article-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 13px;
    transition: var(--transition);
}
.tag:hover { border-color: var(--primary); color: var(--primary); background: rgba(15, 61, 145, 0.05); }
.article-notfound { text-align: center; padding: 80px 20px; }
.article-notfound i { font-size: 60px; color: var(--text-light); margin-bottom: 20px; display: block; }
.article-notfound h2 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.article-notfound p { color: var(--text-light); margin-bottom: 30px; }
/* Sidebar */
.article-side { display: flex; flex-direction: column; gap: 24px; }
.side-widget {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}
.side-widget h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border);
}
.side-widget h3 i { color: var(--accent); }
.side-news-list li { border-bottom: 1px solid var(--border); }
.side-news-list li:last-child { border-bottom: none; }
.side-news-link { display: block; padding: 12px 0; transition: var(--transition); }
.side-news-link:hover .side-news-title { color: var(--primary); }
.side-news-title { display: block; font-size: 14px; font-weight: 500; color: var(--text); line-height: 1.5; margin-bottom: 4px; }
.side-news-meta { font-size: 12px; color: var(--text-light); }
.side-empty { font-size: 14px; color: var(--text-light); padding: 12px 0; display: block; }
.side-guide-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.side-guide-card::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 110px;
    height: 110px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}
.side-guide-card h3 { color: #fff; border-bottom-color: rgba(255, 255, 255, 0.2); }
.side-guide-card p { font-size: 14px; opacity: 0.85; margin-bottom: 18px; line-height: 1.7; }
.side-guide-card .btn { width: 100%; }
.side-cta-card {
    background: #fff8ec;
    border: 1px solid #fde6b8;
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
}
.side-cta-card h3 { color: var(--primary-dark); justify-content: center; }
.side-cta-card p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
/* Related */
.related-area { padding: 60px 0; background: var(--white); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(15, 61, 145, 0.08);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--primary-dark); margin-bottom: 10px; }
.section-head p { color: var(--text-light); max-width: 560px; margin: 0 auto; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-card .news-cover { position: relative; }
.news-card .news-cover img { width: 100%; height: 200px; object-fit: cover; }
.news-card .news-cat {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    padding: 4px 14px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
}
.news-card .news-body { padding: 20px; }
.news-card .news-title { font-size: 16px; font-weight: 700; margin-bottom: 10px; line-height: 1.5; }
.news-card .news-title a:hover { color: var(--primary); }
.news-card .news-excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card .news-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
    border-top: 1px dashed var(--border);
    padding-top: 12px;
    gap: 10px;
    flex-wrap: wrap;
}
.news-card .news-meta i { margin-right: 4px; }
.related-empty { grid-column: 1 / -1; text-align: center; color: var(--text-light); font-size: 15px; padding: 30px 0; }
/* FAQ */
.faq-area { padding: 60px 0; background: var(--bg); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.faq-item h3 i { color: var(--accent); font-size: 14px; }
.faq-item p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
/* CTA */
.cta-area {
    background: linear-gradient(120deg, #0b1220, #0f3d91);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.cta-area::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(246, 176, 28, 0.15), transparent 70%);
}
.cta-area::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
}
.cta-inner { position: relative; z-index: 1; text-align: center; }
.cta-inner h2 { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(255, 255, 255, 0.75); max-width: 600px; margin: 0 auto 32px; line-height: 1.8; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
/* Footer */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, 0.7); padding: 60px 0 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 360px; color: rgba(255, 255, 255, 0.6); }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255, 255, 255, 0.6); transition: var(--transition); }
.footer-col ul a i { font-size: 10px; margin-right: 6px; }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.4); }
/* Responsive */
@media (max-width: 1024px) {
    .page-banner h1 { font-size: 30px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .section-head h2 { font-size: 28px; }
    .cta-inner h2 { font-size: 30px; }
    .search-box input { width: 160px; }
}
@media (max-width: 768px) {
    .brand-row { height: 60px; }
    .search-box { display: none; }
    .logo-text { font-size: 20px; }
    .nav-menu {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 24px;
    }
    .nav-link { white-space: nowrap; font-size: 14px; }
    .page-banner { padding: 50px 0 45px; }
    .page-banner h1 { font-size: 24px; }
    .article-main { padding: 24px 18px; }
    .article-content { font-size: 15px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .related-grid { grid-template-columns: 1fr; }
    .article-side { margin-top: 24px; }
    .cta-area { padding: 50px 0; }
    .cta-inner h2 { font-size: 24px; }
    .faq-area { padding: 40px 0; }
    .article-area { padding: 36px 0 30px; }
    .brand-row .btn-small { display: none; }
}
@media (max-width: 520px) {
    .container-x { padding: 0 12px; }
    .nav-bar .container-x { padding: 0 12px; }
    .article-meta { gap: 12px; font-size: 13px; }
    .cta-buttons .btn { width: 100%; }
    .page-banner h1 { font-size: 21px; }
    .section-head h2 { font-size: 24px; }
    .news-card .news-cover img { height: 180px; }
    .footer-bottom { font-size: 12px; padding: 16px 12px; }
}