/* roulang page: index */
:root {
        --primary: #0b3d2e;
        --primary-dark: #052318;
        --primary-light: #14604a;
        --accent: #e8b931;
        --accent-dark: #c79a20;
        --accent-soft: #f5e6c4;
        --bg: #f7f7f2;
        --surface: #ffffff;
        --surface-dark: #0e2b22;
        --text: #182b24;
        --text-muted: #62726c;
        --border: #e2e8e2;
        --radius: 16px;
        --radius-sm: 10px;
        --radius-lg: 28px;
        --shadow: 0 8px 30px rgba(11, 61, 46, 0.08);
        --shadow-lg: 0 20px 50px rgba(11, 61, 46, 0.15);
        --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
        font-family: var(--font-sans);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

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

    a {
        color: inherit;
        text-decoration: none;
    }

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

    input {
        font-family: inherit;
    }

    .container {
        width: 100%;
        max-width: 1240px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .section {
        padding: 100px 0;
        position: relative;
    }

    .section-header {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 60px;
    }

    .section-tag {
        display: inline-block;
        font-size: 0.8125rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--accent-dark);
        background: var(--accent-soft);
        padding: 6px 18px;
        border-radius: 100px;
        margin-bottom: 16px;
    }

    .section-header h2 {
        font-size: 2.5rem;
        font-weight: 800;
        line-height: 1.3;
        color: var(--text);
        margin-bottom: 14px;
    }

    .section-header p {
        color: var(--text-muted);
        font-size: 1.0625rem;
        line-height: 1.7;
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 14px 34px;
        border-radius: 100px;
        font-size: 1rem;
        font-weight: 700;
        line-height: 1.2;
        transition: var(--transition);
        border: 2px solid transparent;
        white-space: nowrap;
    }

    .btn i {
        font-size: 0.9375rem;
    }

    .btn-primary {
        background: var(--accent);
        color: var(--primary-dark);
        box-shadow: 0 8px 24px rgba(232, 185, 49, 0.35);
    }

    .btn-primary:hover {
        background: #f0c444;
        transform: translateY(-2px);
        box-shadow: 0 14px 34px rgba(232, 185, 49, 0.45);
    }

    .btn-outline {
        background: transparent;
        color: #fff;
        border-color: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(4px);
    }

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

    .btn-light {
        background: #fff;
        color: var(--primary);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    }

    .btn-light:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
    }

    /* Header */
    .site-header {
        background: rgba(252, 252, 250, 0.92);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 1000;
        transition: var(--transition);
    }

    .site-header.scrolled {
        box-shadow: 0 6px 24px rgba(11, 61, 46, 0.09);
    }

    .header-inner {
        display: flex;
        align-items: center;
        gap: 20px;
        min-height: 78px;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        font-weight: 800;
        font-size: 1.375rem;
        color: var(--primary);
    }

    .brand-icon {
        font-size: 1.75rem;
        line-height: 1;
        background: var(--accent-soft);
        border-radius: 12px;
        padding: 4px 8px;
    }

    .brand-text em {
        font-style: normal;
        color: var(--accent-dark);
        font-weight: 800;
    }

    .header-search {
        flex: 1;
        max-width: 420px;
        margin: 0 auto;
    }

    .header-search form {
        position: relative;
    }

    .header-search input {
        width: 100%;
        height: 46px;
        border: 2px solid var(--border);
        border-radius: 100px;
        padding: 0 52px 0 20px;
        font-size: 0.9375rem;
        background: var(--bg);
        color: var(--text);
        transition: var(--transition);
        outline: none;
    }

    .header-search input:focus {
        border-color: var(--primary-light);
        background: #fff;
        box-shadow: 0 0 0 4px rgba(20, 96, 74, 0.1);
    }

    .header-search input::placeholder {
        color: #9aa8a2;
    }

    .header-search button {
        position: absolute;
        right: 4px;
        top: 4px;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .header-search button:hover {
        background: var(--primary-light);
        transform: scale(1.04);
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 2px;
        flex-shrink: 0;
    }

    .nav-link {
        padding: 10px 14px;
        font-size: 0.9375rem;
        font-weight: 600;
        color: var(--text);
        border-radius: 100px;
        transition: var(--transition);
        position: relative;
    }

    .nav-link:hover {
        color: var(--primary);
        background: rgba(11, 61, 46, 0.06);
    }

    .nav-link.active {
        color: var(--primary);
        background: rgba(11, 61, 46, 0.08);
        font-weight: 700;
    }

    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 4px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        border-radius: 2px;
        background: var(--accent);
    }

    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 10px;
        border-radius: 8px;
        background: transparent;
    }

    .nav-toggle span {
        width: 24px;
        height: 2px;
        background: var(--text);
        border-radius: 2px;
        transition: var(--transition);
    }

    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero */
    .hero {
        position: relative;
        min-height: 760px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        color: #fff;
        overflow: hidden;
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(5, 35, 24, 0.94) 0%, rgba(10, 50, 38, 0.82) 50%, rgba(5, 30, 20, 0.75) 100%);
        backdrop-filter: blur(2px);
    }

    .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        padding: 80px 24px 60px;
        max-width: 880px;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(232, 185, 49, 0.18);
        border: 1px solid rgba(232, 185, 49, 0.4);
        color: var(--accent);
        padding: 8px 22px;
        border-radius: 100px;
        font-size: 0.875rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        margin-bottom: 28px;
        backdrop-filter: blur(6px);
    }

    .hero-badge i {
        font-size: 0.8125rem;
    }

    .hero h1 {
        font-size: 3.75rem;
        font-weight: 900;
        line-height: 1.15;
        letter-spacing: -0.02em;
        margin-bottom: 20px;
        text-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
    }

    .hero h1 em {
        font-style: normal;
        color: var(--accent);
    }

    .hero-desc {
        font-size: 1.1875rem;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.85);
        max-width: 620px;
        margin: 0 auto 36px;
    }

    .hero-actions {
        display: flex;
        justify-content: center;
        gap: 18px;
        flex-wrap: wrap;
    }

    .hero-countdown {
        margin-top: 44px;
        display: inline-flex;
        align-items: center;
        gap: 16px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        padding: 12px 28px;
        border-radius: 100px;
        backdrop-filter: blur(8px);
    }

    .countdown-label {
        font-size: 0.875rem;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.8);
    }

    .countdown-time {
        font-size: 1.375rem;
        font-weight: 800;
        font-variant-numeric: tabular-nums;
        color: var(--accent);
    }

    .hero-stats {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 2;
        display: flex;
        justify-content: center;
        gap: 0;
        background: rgba(5, 25, 16, 0.55);
        backdrop-filter: blur(12px);
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .hero-stats .stat {
        flex: 1;
        max-width: 280px;
        text-align: center;
        padding: 24px 20px;
    }

    .hero-stats .stat strong {
        display: block;
        font-size: 2rem;
        font-weight: 900;
        color: var(--accent);
        line-height: 1.3;
    }

    .hero-stats .stat span {
        display: block;
        font-size: 0.875rem;
        color: rgba(255, 255, 255, 0.75);
        margin-top: 4px;
        letter-spacing: 0.04em;
        text-transform: uppercase;
    }

    /* Features */
    .features-section {
        background: var(--bg);
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }

    .feature-card {
        background: var(--surface);
        border-radius: var(--radius);
        padding: 40px 30px;
        text-align: center;
        border: 1px solid var(--border);
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.5s ease;
    }

    .feature-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
        border-color: transparent;
    }

    .feature-card:hover::before {
        transform: scaleX(1);
    }

    .feature-icon {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background: var(--accent-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 24px;
        font-size: 1.875rem;
        color: var(--primary);
        transition: var(--transition);
    }

    .feature-card:hover .feature-icon {
        background: var(--primary);
        color: var(--accent);
        transform: scale(1.06);
    }

    .feature-card h3 {
        font-size: 1.25rem;
        font-weight: 700;
        margin-bottom: 12px;
        color: var(--text);
    }

    .feature-card p {
        font-size: 0.9375rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* Categories */
    .categories-section {
        background: var(--surface);
    }

    .categories-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .category-card {
        border-radius: var(--radius-lg);
        overflow: hidden;
        background: var(--surface);
        border: 1px solid var(--border);
        transition: var(--transition);
        position: relative;
        display: flex;
        flex-direction: column;
    }

    .category-card:hover {
        transform: translateY(-10px);
        box-shadow: var(--shadow-lg);
        border-color: transparent;
    }

    .category-card-img {
        position: relative;
        height: 200px;
        overflow: hidden;
    }

    .category-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
    }

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

    .category-card-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(11, 61, 46, 0.6), transparent 70%);
    }

    .category-card-body {
        padding: 30px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .category-card-body h3 {
        font-size: 1.375rem;
        font-weight: 700;
        margin-bottom: 12px;
        color: var(--text);
    }

    .category-card-body p {
        font-size: 0.9375rem;
        color: var(--text-muted);
        line-height: 1.7;
        flex: 1;
        margin-bottom: 20px;
    }

    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 700;
        color: var(--primary);
        font-size: 0.9375rem;
        transition: var(--transition);
    }

    .card-link i {
        transition: transform 0.3s ease;
        font-size: 0.8125rem;
    }

    .card-link:hover {
        color: var(--accent-dark);
    }

    .card-link:hover i {
        transform: translateX(5px);
    }

    /* News */
    .news-section {
        background: var(--bg);
    }

    .news-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .news-card {
        background: var(--surface);
        border-radius: var(--radius);
        padding: 28px;
        border: 1px solid var(--border);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        position: relative;
    }

    .news-card:hover {
        box-shadow: var(--shadow);
        transform: translateY(-4px);
        border-color: rgba(11, 61, 46, 0.2);
    }

    .news-card-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 16px;
    }

    .badge {
        display: inline-block;
        padding: 4px 14px;
        font-size: 0.75rem;
        font-weight: 700;
        border-radius: 100px;
        letter-spacing: 0.03em;
    }

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

    .badge-accent {
        background: var(--accent-soft);
        color: var(--accent-dark);
    }

    .news-time {
        font-size: 0.8125rem;
        color: var(--text-muted);
    }

    .news-card h3 {
        font-size: 1.1875rem;
        font-weight: 700;
        line-height: 1.45;
        margin-bottom: 10px;
        color: var(--text);
        transition: var(--transition);
    }

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

    .news-card p {
        font-size: 0.9375rem;
        color: var(--text-muted);
        line-height: 1.7;
        flex: 1;
        margin-bottom: 20px;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-card .card-link {
        margin-top: auto;
    }

    .empty-tip {
        grid-column: 1 / -1;
        text-align: center;
        padding: 60px 20px;
        background: var(--surface);
        border-radius: var(--radius);
        border: 1px dashed var(--border);
        color: var(--text-muted);
        font-size: 1rem;
    }

    /* Stats Section */
    .stats-section {
        background: var(--surface-dark);
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        position: relative;
        padding: 100px 0;
    }

    .stats-overlay {
        position: absolute;
        inset: 0;
        background: rgba(8, 30, 22, 0.85);
    }

    .stats-section .container {
        position: relative;
        z-index: 2;
    }

    .stats-section .section-tag {
        background: rgba(232, 185, 49, 0.2);
        color: var(--accent);
    }

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

    .stats-section .section-header p {
        color: rgba(255, 255, 255, 0.7);
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        margin-top: 20px;
    }

    .stat-item {
        text-align: center;
        padding: 36px 20px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius);
        backdrop-filter: blur(8px);
        transition: var(--transition);
    }

    .stat-item:hover {
        background: rgba(255, 255, 255, 0.12);
        transform: translateY(-4px);
    }

    .stat-item strong {
        display: block;
        font-size: 3rem;
        font-weight: 900;
        color: var(--accent);
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
    }

    .stat-item span {
        display: block;
        margin-top: 8px;
        font-size: 0.9375rem;
        color: rgba(255, 255, 255, 0.8);
        letter-spacing: 0.04em;
    }

    /* Process */
    .process-section {
        background: var(--bg);
    }

    .process-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 36px;
        counter-reset: process;
    }

    .process-step {
        text-align: center;
        position: relative;
        padding: 40px 28px;
        background: var(--surface);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

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

    .process-step::before {
        counter-increment: process;
        content: counter(process, decimal-leading-zero);
        position: absolute;
        top: -20px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--primary);
        color: var(--accent);
        font-size: 1.5rem;
        font-weight: 900;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 6px 20px rgba(11, 61, 46, 0.25);
    }

    .process-step .process-icon {
        font-size: 2.25rem;
        color: var(--primary);
        margin-bottom: 18px;
        display: block;
    }

    .process-step h3 {
        font-size: 1.25rem;
        font-weight: 700;
        margin-bottom: 12px;
        color: var(--text);
    }

    .process-step p {
        font-size: 0.9375rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* Matches */
    .matches-section {
        background: var(--surface);
        overflow: hidden;
    }

    .matches-scroll {
        display: flex;
        gap: 24px;
        overflow-x: auto;
        padding-bottom: 20px;
        scrollbar-width: thin;
        scrollbar-color: var(--primary-light) var(--border);
    }

    .matches-scroll::-webkit-scrollbar {
        height: 6px;
    }

    .matches-scroll::-webkit-scrollbar-track {
        background: var(--border);
        border-radius: 3px;
    }

    .matches-scroll::-webkit-scrollbar-thumb {
        background: var(--primary-light);
        border-radius: 3px;
    }

    .match-card {
        flex: 0 0 280px;
        border-radius: var(--radius);
        overflow: hidden;
        background: var(--surface);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

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

    .match-card-img {
        height: 158px;
        overflow: hidden;
        position: relative;
    }

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

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

    .match-card-img .match-tag {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--accent);
        color: var(--primary-dark);
        font-size: 0.75rem;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: 100px;
    }

    .match-card-body {
        padding: 22px;
    }

    .match-card-body h3 {
        font-size: 1.125rem;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--text);
    }

    .match-card-body p {
        font-size: 0.875rem;
        color: var(--text-muted);
        line-height: 1.6;
    }

    .match-time {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8125rem;
        color: var(--primary-light);
        font-weight: 600;
        margin-top: 12px;
    }

    /* FAQ */
    .faq-section {
        background: var(--bg);
    }

    .faq-list {
        max-width: 840px;
        margin: 0 auto;
    }

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

    .faq-item:hover {
        border-color: rgba(11, 61, 46, 0.2);
    }

    .faq-item.active {
        box-shadow: var(--shadow);
        border-color: rgba(11, 61, 46, 0.25);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 22px 26px;
        cursor: pointer;
        font-size: 1.0625rem;
        font-weight: 700;
        color: var(--text);
        transition: var(--transition);
    }

    .faq-question:hover {
        color: var(--primary);
    }

    .faq-question i {
        color: var(--accent-dark);
        font-size: 0.9375rem;
        flex-shrink: 0;
        transition: transform 0.35s ease;
    }

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

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.45s ease;
    }

    .faq-answer-inner {
        padding: 0 26px 24px;
        font-size: 0.9375rem;
        color: var(--text-muted);
        line-height: 1.8;
        border-top: 1px dashed var(--border);
        margin: 0 26px 0 26px;
        padding-left: 0;
        padding-right: 0;
    }

    .faq-item.active .faq-answer {
        max-height: 400px;
    }

    /* CTA */
    .cta-section {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
        position: relative;
        overflow: hidden;
        padding: 90px 0;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: rgba(232, 185, 49, 0.12);
    }

    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -100px;
        left: -60px;
        width: 220px;
        height: 220px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.04);
    }

    .cta-content {
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .cta-content h2 {
        font-size: 2.5rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
        line-height: 1.3;
    }

    .cta-content p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 1.125rem;
        max-width: 560px;
        margin: 0 auto 36px;
        line-height: 1.7;
    }

    .cta-content .btn {
        box-shadow: 0 12px 34px rgba(232, 185, 49, 0.4);
    }

    /* Footer */
    .site-footer {
        background: var(--primary-dark);
        color: rgba(255, 255, 255, 0.75);
        padding: 70px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 50px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .footer-brand p {
        font-size: 0.9375rem;
        color: rgba(255, 255, 255, 0.65);
        line-height: 1.8;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 20px;
    }

    .footer-col ul {
        list-style: none;
    }

    .footer-col ul li {
        margin-bottom: 12px;
    }

    .footer-col ul li a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 0.9375rem;
        transition: var(--transition);
    }

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

    .footer-bottom {
        padding: 24px 0;
        text-align: center;
        font-size: 0.875rem;
        color: rgba(255, 255, 255, 0.5);
    }

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

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

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

        .process-grid {
            grid-template-columns: 1fr;
            gap: 48px;
            max-width: 480px;
            margin: 0 auto;
        }

        .header-search {
            max-width: 300px;
        }

        .nav-link {
            padding: 10px 10px;
            font-size: 0.875rem;
        }
    }

    @media (max-width: 860px) {
        .header-inner {
            flex-wrap: wrap;
            padding: 12px 0;
            min-height: auto;
        }

        .brand {
            margin-right: auto;
        }

        .nav-toggle {
            display: flex;
            order: 3;
        }

        .header-search {
            order: 4;
            flex-basis: 100%;
            max-width: 100%;
        }

        .main-nav {
            display: none;
            order: 5;
            flex-basis: 100%;
            flex-direction: column;
            align-items: stretch;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            gap: 4px;
        }

        .main-nav.open {
            display: flex;
        }

        .nav-link {
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: 8px;
        }

        .nav-link.active {
            background: var(--accent-soft);
        }

        .nav-link.active::after {
            display: none;
        }

        .hero {
            min-height: auto;
        }

        .hero-content {
            padding: 70px 20px 50px;
        }

        .hero h1 {
            font-size: 2.5rem;
        }

        .hero-desc {
            font-size: 1.0625rem;
        }

        .hero-stats {
            position: static;
            padding: 20px;
            background: rgba(5, 25, 16, 0.4);
        }

        .hero-stats .stat strong {
            font-size: 1.5rem;
        }

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

        .section {
            padding: 70px 0;
        }
    }

    @media (max-width: 620px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

        .section {
            padding: 56px 0;
        }

        .section-header h2 {
            font-size: 1.75rem;
        }

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

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

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

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

        .hero h1 {
            font-size: 2rem;
        }

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

        .hero-actions {
            flex-direction: column;
            align-items: center;
        }

        .hero-countdown {
            flex-direction: column;
            gap: 8px;
            padding: 16px 24px;
        }

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

        .hero-stats .stat {
            max-width: none;
        }

        .cta-content h2 {
            font-size: 1.75rem;
        }

        .cta-content p {
            font-size: 1rem;
        }

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

    @media (max-width: 420px) {
        .brand-text {
            font-size: 1.125rem;
        }

        .header-search input {
            height: 42px;
            font-size: 0.875rem;
        }

        .btn {
            padding: 12px 26px;
            font-size: 0.9375rem;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #10b981;
            --primary-dark: #059669;
            --primary-light: #d1fae5;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --dark-bg: #0b1a1f;
            --light: #f8fafc;
            --white: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(16, 185, 129, .07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, .1);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --container: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        ul {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .93);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 14px rgba(0, 0, 0, .04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 74px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            font-size: 34px;
            line-height: 1;
        }
        .brand-text {
            font-size: 21px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .brand-text em {
            color: var(--primary);
            font-style: normal;
        }
        .header-search {
            flex: 1;
            max-width: 420px;
        }
        .header-search form {
            display: flex;
            align-items: center;
            background: var(--light);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 4px 4px 4px 16px;
            transition: var(--transition);
        }
        .header-search form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, .15);
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 14px;
            padding: 8px 0;
            color: var(--text);
            min-width: 0;
        }
        .header-search input::placeholder {
            color: #94a3b8;
        }
        .header-search button {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .header-search button:hover {
            background: var(--primary-dark);
            transform: scale(1.05);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }
        .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 24px;
            transition: var(--transition);
            line-height: 1.4;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(16, 185, 129, .3);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--light);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            border-color: var(--primary);
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(7, 25, 20, .92), rgba(11, 24, 30, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 90px 0 100px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to bottom, transparent, var(--white));
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .8);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            font-size: 10px;
            opacity: .6;
        }
        .breadcrumb span:last-child {
            color: var(--accent);
            font-weight: 500;
        }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-title .highlight {
            background: linear-gradient(90deg, var(--accent), #fbbf24);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            max-width: 680px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.5;
        }
        .btn i {
            font-size: 14px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(16, 185, 129, .35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(16, 185, 129, .4);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== Section ===== */
        .section {
            padding: 88px 0;
        }
        .section.alt {
            background: var(--light);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .badge.gold {
            background: var(--accent-light);
            color: #b45309;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Features ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary-light), #e0f2fe);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-dark);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(-4deg);
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== Steps ===== */
        .steps-wrap {
            position: relative;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-item {
            text-align: center;
            padding: 28px 20px;
            position: relative;
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(16, 185, 129, .3);
            position: relative;
            z-index: 2;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .step-item::before {
            content: '';
            position: absolute;
            top: 56px;
            left: 50%;
            width: 100%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 12px);
            z-index: 1;
        }
        .step-item:last-child::before {
            display: none;
        }

        /* ===== Showcase ===== */
        .showcase {
            background: var(--dark-bg) !important;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .showcase::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(16, 185, 129, .2), transparent 70%);
        }
        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .showcase-img {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
            transition: var(--transition);
        }
        .showcase-img:hover {
            transform: scale(1.02);
        }
        .showcase-img img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .showcase-content h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .showcase-content h2 span {
            color: var(--accent);
        }
        .showcase-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, .8);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .check-list {
            display: grid;
            gap: 14px;
            margin-top: 8px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: rgba(255, 255, 255, .9);
        }
        .check-list li i {
            color: var(--primary);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== Devices ===== */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .device-card {
            text-align: center;
            padding: 40px 28px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .device-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .device-icon {
            width: 70px;
            height: 70px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--accent-light), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--accent);
            margin: 0 auto 20px;
        }
        .device-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .device-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: linear-gradient(135deg, #0b1a1f, #10251f) !important;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-3px);
        }
        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            user-select: none;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, #0b1a1f, #10251f);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, .25), transparent 70%);
        }
        .cta-wrap {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .cta-wrap h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-wrap h2 span {
            color: var(--accent);
        }
        .cta-wrap p {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 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, .7);
            padding: 64px 0 0;
            border-top: 4px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            max-width: 360px;
            color: rgba(255, 255, 255, .6);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-col ul {
            display: grid;
            gap: 12px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul a::before {
            content: '›';
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            line-height: 1;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 14px;
            }
            .header-search {
                max-width: 300px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .step-item::before {
                display: none;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .device-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 14px 0;
                gap: 12px;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }
            .main-nav {
                display: none;
                order: 4;
                flex-basis: 100%;
                flex-direction: column;
                background: var(--white);
                border-radius: 16px;
                padding: 14px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                margin-left: 0;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 10px 16px;
                width: 100%;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .feature-grid,
            .device-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .showcase-grid {
                gap: 30px;
            }
            .showcase-img img {
                height: 280px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-wrap h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-icon {
                font-size: 28px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                padding: 16px;
            }
            .stat-num {
                font-size: 36px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #059669;
    --color-primary-dark: #047857;
    --color-primary-light: #d1fae5;
    --color-accent: #f59e0b;
    --color-dark: #0f172a;
    --color-dark-2: #1e293b;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --color-bg: #f8fafc;
    --color-white: #ffffff;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 10px rgba(15,23,42,.06);
    --shadow-md: 0 10px 30px rgba(15,23,42,.08);
    --shadow-lg: 0 24px 60px rgba(15,23,42,.14);
    --transition: all .3s ease;
    --container: 1200px;
    --font: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Arial,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);line-height:1.7;color:var(--color-text);background:var(--color-bg);min-height:100vh}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit}
input,select,textarea{font:inherit}
ul,ol{list-style:none}
.container{width:100%;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:12px;font-size:15px;font-weight:700;transition:var(--transition);line-height:1.4;border:2px solid transparent}
.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 6px 18px rgba(5,150,105,.25)}
.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(5,150,105,.35)}
.btn-accent{background:var(--color-accent);color:#fff;box-shadow:0 6px 18px rgba(245,158,11,.25)}
.btn-accent:hover{background:#d97706;transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.35)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.badge{display:inline-block;background:var(--color-primary-light);color:var(--color-primary-dark);font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,18,32,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:#fff;letter-spacing:-.3px;white-space:nowrap;flex-shrink:0}
.brand-icon{font-size:28px;line-height:1}
.brand-text em{font-style:normal;color:var(--color-accent)}
.header-search{flex:1;max-width:460px}
.header-search form{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:4px 4px 4px 18px;transition:var(--transition)}
.header-search form:focus-within{background:rgba(255,255,255,.12);border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(5,150,105,.2)}
.header-search input{flex:1;background:transparent;border:none;outline:none;color:#fff;font-size:14px;padding:8px 0;min-width:0}
.header-search input::placeholder{color:rgba(255,255,255,.4)}
.header-search button{width:36px;height:36px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}
.header-search button:hover{background:var(--color-primary-dark)}
.main-nav{display:flex;align-items:center;gap:4px;flex-shrink:0}
.nav-link{padding:10px 16px;border-radius:10px;color:rgba(255,255,255,.75);font-size:15px;font-weight:600;transition:var(--transition);white-space:nowrap}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:#fff;background:rgba(5,150,105,.28)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:8px;flex-shrink:0}
.nav-toggle span{width:22px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Article Hero */
.article-hero{position:relative;padding:96px 0 88px;background-image:linear-gradient(120deg,rgba(6,22,38,.93) 0%,rgba(7,45,55,.85) 55%,rgba(20,90,70,.8) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#fff;border-bottom:4px solid rgba(255,255,255,.06);overflow:hidden}
.article-hero::after{content:'';position:absolute;right:-80px;bottom:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(5,150,105,.35),transparent 70%);pointer-events:none}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:32px;font-size:14px;color:rgba(255,255,255,.65)}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb-sep{color:rgba(255,255,255,.35)}
.breadcrumb-current{color:rgba(255,255,255,.95)}
.article-hero-inner{position:relative;z-index:2;max-width:920px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(5,150,105,.25);border:1px solid rgba(52,211,153,.4);border-radius:999px;font-size:14px;font-weight:600;color:#a7f3d0;backdrop-filter:blur(8px);margin-bottom:20px}
.article-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.3;font-weight:800;margin:0 0 22px;max-width:860px;color:#fff;letter-spacing:-.5px;text-shadow:0 2px 20px rgba(0,0,0,.25)}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:rgba(255,255,255,.75)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:rgba(255,255,255,.5)}

/* Article Section */
.article-section{padding:64px 0;background:var(--color-bg)}
.article-layout{max-width:880px;margin:0 auto}
.article-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;border:1px solid var(--color-border)}
.article-cover img{width:100%;height:420px;object-fit:cover}
.article-body{padding:40px 48px 28px}
.article-body h2{font-size:26px;margin:36px 0 16px;font-weight:700;color:var(--color-dark);position:relative;padding-left:16px;line-height:1.4}
.article-body h2::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--color-primary)}
.article-body h3{font-size:21px;margin:28px 0 12px;color:var(--color-dark);line-height:1.5}
.article-body h4{font-size:18px;margin:24px 0 10px;color:var(--color-dark)}
.article-body p{margin:16px 0;font-size:16px;line-height:1.95;color:var(--color-text)}
.article-body a{color:var(--color-primary);font-weight:600;transition:color .2s}
.article-body a:hover{color:var(--color-primary-dark);text-decoration:underline}
.article-body ul,.article-body ol{margin:16px 0;padding-left:26px}
.article-body ul li{list-style:disc;margin:8px 0;font-size:16px;line-height:1.8}
.article-body ol li{list-style:decimal;margin:8px 0;font-size:16px;line-height:1.8}
.article-body blockquote{border-left:4px solid var(--color-primary);background:var(--color-bg);padding:16px 22px;margin:24px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--color-text);font-style:normal}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius-md);margin:24px 0;height:auto}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;border-radius:var(--radius-sm);overflow:hidden}
.article-body table th,.article-body table td{border:1px solid var(--color-border);padding:12px 14px;text-align:left}
.article-body table th{background:var(--color-bg);font-weight:600;color:var(--color-dark)}
.article-body pre{background:var(--color-dark);color:#e2e8f0;padding:20px;border-radius:var(--radius-md);overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7}
.article-body code{font-family:'SFMono-Regular',Consolas,monospace;background:var(--color-bg);padding:2px 6px;border-radius:4px;font-size:14px}
.article-body pre code{background:transparent;padding:0;color:inherit}
.article-tags{padding:8px 48px 40px;display:flex;flex-wrap:wrap;gap:10px}

/* Not Found */
.not-found{padding:90px 48px;text-align:center}
.not-found-icon{font-size:60px;display:block;margin-bottom:20px}
.not-found h2{font-size:28px;color:var(--color-dark);margin-bottom:14px;font-weight:800}
.not-found p{color:var(--color-text-light);margin-bottom:28px;font-size:16px}
.not-found .btn{margin:0 auto}

/* Related Section */
.related-section{padding:80px 0;background:#fff;border-top:1px solid var(--color-border)}
.section-header{text-align:center;max-width:660px;margin:0 auto 48px}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--color-primary);background:var(--color-primary-light);padding:6px 16px;border-radius:999px;margin-bottom:14px}
.section-header h2{font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--color-dark);margin-bottom:12px;letter-spacing:-.5px}
.section-header p{color:var(--color-text-light);font-size:16px;line-height:1.7}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(5,150,105,.3)}
.related-card a{display:block;height:100%}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-cat{position:absolute;top:12px;left:12px;background:rgba(5,150,105,.9);color:#fff;font-size:12px;padding:4px 14px;border-radius:999px;backdrop-filter:blur(6px);font-weight:600}
.related-body{padding:20px 22px}
.related-body h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--color-dark);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body p{font-size:14px;color:var(--color-text-light);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.related-body time{font-size:13px;color:#94a3b8}
.empty-tip{text-align:center;padding:48px;color:var(--color-text-light);font-size:15px;grid-column:1/-1}

/* FAQ Section */
.faq-section{padding:80px 0;background:var(--color-bg)}
.faq-grid{max-width:860px;margin:0 auto;display:grid;gap:16px}
.faq-item{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:28px 32px;transition:var(--transition)}
.faq-item:hover{box-shadow:var(--shadow-md);border-color:rgba(5,150,105,.25)}
.faq-item h3{font-size:17px;font-weight:700;color:var(--color-dark);margin-bottom:12px;display:flex;align-items:flex-start;gap:12px;line-height:1.5}
.faq-item h3::before{content:'Q';flex-shrink:0;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:var(--color-primary);color:#fff;border-radius:8px;font-size:14px;font-weight:800}
.faq-item p{font-size:15px;color:var(--color-text);line-height:1.85;padding-left:40px}

/* CTA Section */
.cta-section{padding:80px 0;background:var(--color-dark);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;left:10%;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(5,150,105,.25),transparent 70%);pointer-events:none}
.cta-card{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;background:linear-gradient(120deg,rgba(5,150,105,.2) 0%,rgba(8,47,73,.55) 55%,rgba(245,158,11,.12) 100%),var(--color-dark-2);border:1px solid rgba(255,255,255,.09);border-radius:var(--radius-lg);padding:52px 60px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-info h2{font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:14px;letter-spacing:-.5px}
.cta-info p{color:rgba(255,255,255,.75);max-width:560px;line-height:1.75;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap}

/* Footer */
.site-footer{background:#0b1120;color:rgba(255,255,255,.6);padding:64px 0 0;border-top:4px solid var(--color-primary)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .brand{font-size:22px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:420px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

/* Responsive */
@media (max-width:1024px){
    .header-inner{flex-wrap:wrap}
    .header-search{order:3;max-width:none;flex-basis:100%}
    .main-nav{gap:2px}
    .nav-link{padding:9px 12px;font-size:14px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .article-cover img{height:340px}
    .cta-card{padding:44px 36px}
}
@media (max-width:768px){
    .nav-toggle{display:flex}
    .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(10,18,32,.98);flex-direction:column;padding:16px 20px;gap:4px;box-shadow:0 20px 40px rgba(0,0,0,.35)}
    .main-nav.open{display:flex}
    .nav-link{width:100%;text-align:center;padding:12px 16px}
    .article-hero{padding:70px 0 60px}
    .article-hero h1{font-size:28px}
    .article-body{padding:28px 24px 20px}
    .article-tags{padding:8px 24px 32px}
    .article-cover img{height:260px}
    .footer-grid{grid-template-columns:1fr;gap:36px}
    .faq-item{padding:22px 20px}
    .faq-item p{padding-left:0}
    .cta-card{flex-direction:column;align-items:flex-start;padding:36px 28px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1}
    .related-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
    .container{padding:0 16px}
    .brand{font-size:19px}
    .brand-icon{font-size:24px}
    .header-search form{padding-left:14px}
    .article-meta{gap:12px;font-size:13px}
    .article-body h2{font-size:22px}
    .article-body h3{font-size:19px}
    .article-body p{font-size:15px}
    .article-tags .tag{font-size:12px}
    .not-found{padding:60px 20px}
    .section-header h2{font-size:24px}
    .faq-item h3{font-size:16px}
    .faq-item p{font-size:14px}
    .cta-card{padding:30px 20px}
    .cta-actions{flex-direction:column}
    .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a8f5c;
            --primary-dark: #0f6b42;
            --primary-light: #e6f5ee;
            --accent: #f5b942;
            --accent-dark: #d99a1f;
            --dark: #0b1f16;
            --dark-2: #132e21;
            --bg: #f5f8f6;
            --card: #ffffff;
            --text: #1c2b24;
            --text-light: #5b6f65;
            --border: #e3ebe6;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(11, 31, 22, 0.08);
            --shadow-lg: 0 18px 50px rgba(11, 31, 22, 0.16);
            --space: clamp(3.2rem, 8vw, 5.5rem);
            --container: 1200px;
            --transition: all 0.3s ease;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ========== 通用排版 ========== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.8;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(26, 143, 92, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 143, 92, 0.4);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .btn-outline-dark {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-dark:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(26, 143, 92, 0.4);
            outline-offset: 2px;
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 72px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: 13px;
            font-size: 24px;
            transition: var(--transition);
        }
        .brand:hover .brand-icon {
            transform: rotate(8deg) scale(1.05);
        }
        .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text);
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 400px;
            margin: 0 auto;
        }
        .header-search form {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            overflow: hidden;
            transition: var(--transition);
        }
        .header-search form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 143, 92, 0.1);
            background: #fff;
        }
        .header-search input {
            flex: 1;
            padding: 10px 20px;
            font-size: 0.9rem;
            color: var(--text);
            min-width: 0;
        }
        .header-search input::placeholder {
            color: #9aa8a0;
        }
        .header-search button {
            width: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .header-search button:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
        }

        /* ========== Hero 首屏横幅 ========== */
        .hero {
            position: relative;
            padding: clamp(3.5rem, 9vw, 6rem) 0;
            background: linear-gradient(135deg, rgba(8, 24, 16, 0.94) 0%, rgba(15, 43, 28, 0.85) 55%, rgba(26, 143, 92, 0.7) 100%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            right: -12%;
            top: 50%;
            transform: translateY(-50%);
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(245, 185, 66, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent);
        }
        .hero-breadcrumb i {
            font-size: 0.7rem;
        }
        .hero-breadcrumb .current {
            color: var(--accent);
        }
        .hero h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero h1 .highlight {
            color: var(--accent);
        }
        .hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 620px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
        }
        .hero-stat .label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== 玩法筛选标签 ========== */
        .filter-section {
            padding: 36px 0 0;
        }
        .filter-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px 20px;
            box-shadow: var(--shadow);
        }
        .filter-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            margin-right: 6px;
        }
        .filter-label i {
            color: var(--primary);
        }
        .filter-chip {
            padding: 7px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-light);
            background: var(--bg);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-chip:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-chip.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }

        /* ========== 攻略卡片 ========== */
        .guides-section {
            padding: var(--space) 0;
            background: var(--bg);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .guides-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(26, 143, 92, 0.2);
        }
        .guide-card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .guide-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .guide-card-media img {
            transform: scale(1.05);
        }
        .guide-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 31, 22, 0.25) 0%, transparent 40%);
            pointer-events: none;
        }
        .guide-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .guide-card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .guide-card-meta i {
            font-size: 0.7rem;
            margin-right: 4px;
        }
        .guide-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .guide-card:hover h3 {
            color: var(--primary);
        }
        .guide-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }
        .guide-card-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .guide-card-more i {
            transition: transform 0.3s ease;
        }
        .guide-card:hover .guide-card-more i {
            transform: translateX(4px);
        }

        /* ========== 新手流程 ========== */
        .process-section {
            padding: var(--space) 0;
            background: var(--dark);
            background-image: linear-gradient(rgba(11, 31, 22, 0.96), rgba(11, 31, 22, 0.96)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            color: #fff;
        }
        .process-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .process-section .section-title {
            color: #fff;
        }
        .process-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 50px;
        }
        .process-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 32px 24px;
            position: relative;
            transition: var(--transition);
        }
        .process-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .process-number {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 0 0 0 6px rgba(26, 143, 92, 0.2);
        }
        .process-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .process-card p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }
        .process-arrow {
            position: absolute;
            right: -18px;
            top: 42px;
            color: rgba(255, 255, 255, 0.25);
            font-size: 1rem;
            z-index: 2;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            padding: var(--space) 0;
            background: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(26, 143, 92, 0.3);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .stat-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin: 0 auto 16px;
        }
        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }
        .stat-num .unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space) 0;
            background: var(--bg);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(26, 143, 92, 0.3);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            transform: rotate(135deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.active .faq-answer {
            padding: 0 24px 20px;
            max-height: 300px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--space) 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            color: #fff;
        }
        .cta-inner h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 16px;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .guides-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-arrow {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .header-search {
                max-width: 300px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
                gap: 14px;
            }
            .header-search {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                margin-top: 8px;
                padding-bottom: 14px;
            }
            .site-header {
                position: sticky;
            }
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding-top: 12px;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-radius: var(--radius);
                padding: 12px;
                box-shadow: var(--shadow);
                margin-bottom: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .brand-text {
                font-size: 1.1rem;
            }
            .hero {
                text-align: center;
            }
            .hero-content {
                margin: 0 auto;
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-wrap {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .guides-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .filter-wrap {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-chip-wrap {
                display: flex;
                flex-wrap: wrap;
                gap: 8px;
                justify-content: center;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0e3b2e;
            --primary-dark: #0a2a1f;
            --accent: #d4a853;
            --accent-light: #e8c877;
            --bg: #f6f7f9;
            --bg-white: #ffffff;
            --bg-light: #f0f1f4;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --container: 1200px;
        }

        /* ===== Reset 基础 ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input,
        textarea {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        /* ===== 通用板块 ===== */
        .section {
            padding: 96px 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-light);
        }
        .section-tag {
            display: inline-block;
            background: rgba(212, 168, 83, 0.12);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(212, 168, 83, 0.25);
        }

        /* ===== Header ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 76px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            font-size: 30px;
            line-height: 1;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            color: var(--accent);
        }
        .header-search {
            flex: 1;
            max-width: 440px;
            margin: 0 auto;
        }
        .header-search form {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 4px 6px 4px 18px;
            border: 2px solid transparent;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }
        .header-search form:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.15);
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            outline: none;
            padding: 8px 0;
        }
        .header-search button {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: background var(--transition), transform var(--transition);
        }
        .header-search button:hover {
            background: var(--primary-dark);
            transform: scale(1.05);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.2);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            padding: 10px;
            background: var(--bg-light);
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: all 0.3s ease;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            padding: 100px 0 80px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            text-align: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 42, 31, 0.88), rgba(14, 59, 46, 0.72));
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 83, 0.15);
            border: 1px solid rgba(212, 168, 83, 0.35);
            color: var(--accent-light);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .page-hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .page-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 安全卡片 ===== */
        .safety-cards-section {
            background: var(--bg);
        }
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .safety-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }
        .safety-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .safety-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .safety-card:hover::before {
            opacity: 1;
        }
        .safety-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(14, 59, 46, 0.08), rgba(212, 168, 83, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .safety-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .safety-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-light);
        }
        .safety-tag {
            display: inline-block;
            margin-top: 16px;
            padding: 4px 14px;
            background: rgba(14, 59, 46, 0.06);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
        }

        /* ===== 图文特性 ===== */
        .feature-section {
            background: #fff;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-image:hover img {
            transform: scale(1.02);
        }
        .feature-content .section-tag {
            margin-bottom: 12px;
        }
        .feature-content h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 10px;
            color: var(--text);
        }
        .feature-content>p {
            color: var(--text-light);
            margin-bottom: 28px;
            font-size: 16px;
        }
        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px 24px;
            margin-bottom: 32px;
        }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            background: var(--bg);
            border-radius: 12px;
            font-size: 14px;
            font-weight: 500;
            transition: background var(--transition);
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 16px;
        }
        .feature-list li:hover {
            background: rgba(14, 59, 46, 0.04);
        }

        /* ===== 统计 ===== */
        .stats-section {
            padding: 90px 0;
            background-size: cover;
            background-position: center;
            position: relative;
            color: #fff;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 42, 31, 0.92), rgba(14, 59, 46, 0.85));
            z-index: 1;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }
        .stat-item {
            padding: 24px;
        }
        .stat-num {
            display: block;
            font-size: 52px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
        }

        /* ===== 安全提醒 ===== */
        .warning-section {
            background: var(--bg);
        }
        .warning-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 960px;
            margin: 0 auto;
        }
        .warning-item {
            display: flex;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 30px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--accent);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .warning-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .warning-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(212, 168, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
        }
        .warning-content h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }
        .warning-content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 16px;
            border: 1px solid rgba(0, 0, 0, 0.05);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .faq-item.open {
            box-shadow: var(--shadow);
            border-color: rgba(212, 168, 83, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(14, 59, 46, 0.02);
        }
        .faq-question h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            transition: transform 0.3s ease, background 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 28px;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 24px;
        }
        .faq-answer p {
            padding-top: 14px;
            border-top: 1px solid rgba(0, 0, 0, 0.06);
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg);
            padding: 96px 0;
        }
        .cta-box {
            text-align: center;
            padding: 72px 48px;
            border-radius: 32px;
            background: linear-gradient(rgba(10, 42, 31, 0.88), rgba(14, 59, 46, 0.82)), url('/assets/images/coverpic/cover-9.png') center/cover no-repeat;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.15);
        }
        .cta-box h2 {
            font-size: 36px;
            font-weight: 700;
            position: relative;
            z-index: 2;
            margin-bottom: 14px;
        }
        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            position: relative;
            z-index: 2;
            margin-bottom: 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            position: relative;
            z-index: 2;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.4);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
        }
        .btn-light:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a1a14;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
        }
        .site-footer .brand-text {
            color: #fff;
        }
        .site-footer .brand-text em {
            color: var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 16px;
            max-width: 340px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            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: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 80px 0;
            }
            .safety-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .feature-grid {
                gap: 40px;
            }
            .header-search {
                max-width: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .main-nav {
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
                transform: translateY(-160%);
                transition: transform 0.3s ease;
                border-radius: 0 0 20px 20px;
                z-index: 99;
                border-bottom: 1px solid var(--border);
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: 12px;
            }
            .nav-link.active {
                background: var(--primary);
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .page-hero {
                padding: 70px 0 56px;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .page-hero p {
                font-size: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .warning-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stat-num {
                font-size: 40px;
            }
            .cta-box {
                padding: 48px 24px;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .section {
                padding: 64px 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .brand-text {
                font-size: 17px;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .feature-content h2 {
                font-size: 26px;
            }
            .feature-image img {
                height: 280px;
            }
            .warning-item {
                padding: 20px;
                flex-direction: column;
                gap: 14px;
            }
            .stat-num {
                font-size: 34px;
            }
            .cta-box {
                padding: 40px 20px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .faq-question {
                padding: 18px 20px;
            }
            .faq-question h3 {
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 20px;
            }
            .footer-bottom {
                font-size: 13px;
            }
        }