/* roulang page: index */
:root {
        --color-primary: #1F3D2B;
        --color-accent: #C2A878;
        --color-ink: #1A1A1A;
        --color-body: #F7F5F2;
        --color-surface: #FFFFFF;
        --color-dark: #14231A;
        --color-muted: #7A7A72;
        --color-border: #E6E2DA;
        --radius-card: 16px;
        --shadow-sm: 0 2px 10px rgba(20, 35, 26, 0.06);
        --shadow-lg: 0 16px 40px rgba(20, 35, 26, 0.12);
        --transition: all 0.3s ease;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        background: var(--color-body);
        color: var(--color-ink);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

    img {
        max-width: 100%;
        display: block;
    }

    a {
        text-decoration: none;
        color: inherit;
    }

    button {
        border: none;
        background: none;
        cursor: pointer;
        font-family: inherit;
    }

    .container {
        width: 100%;
        max-width: 80rem;
        margin-inline: auto;
        padding-inline: 1rem;
    }

    @media (min-width: 768px) {
        .container {
            padding-inline: 1.5rem;
        }
    }

    @media (min-width: 1024px) {
        .container {
            padding-inline: 2rem;
        }
    }

    .section {
        padding-block: 4rem;
    }

    @media (min-width: 768px) {
        .section {
            padding-block: 6rem;
        }
    }

    /* 顶部信息条 */
    .topbar {
        background: var(--color-dark);
        color: rgba(255, 255, 255, 0.85);
        font-size: 0.8rem;
        height: 36px;
        display: flex;
        align-items: center;
    }

    .topbar-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .topbar-links {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .topbar-links a {
        color: rgba(255, 255, 255, 0.85);
        transition: color 0.3s;
    }

    .topbar-links a:hover {
        color: var(--color-accent);
    }

    .topbar-dot {
        color: var(--color-accent);
    }

    /* 主导航 */
    .site-header {
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        position: sticky;
        top: 0;
        z-index: 100;
        transition: box-shadow 0.3s, background 0.3s;
    }

    .site-header.scrolled {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 20px rgba(20, 35, 26, 0.08);
    }

    .nav-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .brand-text {
        font-size: 1.45rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        color: var(--color-ink);
    }

    .brand-tag {
        background: var(--color-accent);
        color: var(--color-dark);
        font-size: 0.7rem;
        font-weight: 700;
        padding: 0.2rem 0.55rem;
        border-radius: 999px;
        letter-spacing: 0.08em;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 2rem;
    }

    .nav-item {
        position: relative;
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--color-ink);
        padding-block: 0.5rem;
        transition: color 0.3s;
        letter-spacing: 0.02em;
    }

    .nav-item::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        background: var(--color-accent);
        transition: width 0.3s;
    }

    .nav-item:hover::after,
    .nav-item.active::after {
        width: 24px;
    }

    .nav-item:hover,
    .nav-item.active {
        color: var(--color-primary);
        font-weight: 600;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--color-primary);
        color: #fff;
        font-weight: 600;
        font-size: 0.9rem;
        border-radius: 999px;
        padding: 0.65rem 1.6rem;
        transition: all 0.3s;
        border: 1px solid transparent;
    }

    .btn-primary:hover {
        background: #2A4A35;
        box-shadow: 0 0 0 1px var(--color-accent), 0 8px 24px rgba(31, 61, 43, 0.18);
        transform: translateY(-2px);
    }

    .btn-primary:active {
        transform: translateY(0) scale(0.98);
    }

    .btn-primary:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    .btn-gold {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--color-accent);
        color: var(--color-dark);
        font-weight: 700;
        font-size: 1rem;
        border-radius: 999px;
        padding: 0.85rem 2.2rem;
        transition: all 0.3s;
        border: 1px solid transparent;
    }

    .btn-gold:hover {
        background: #D5BD8E;
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(194, 168, 120, 0.3);
    }

    .btn-gold:active {
        transform: translateY(0) scale(0.98);
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1.5px solid rgba(255, 255, 255, 0.65);
        color: #fff;
        font-weight: 600;
        font-size: 1rem;
        border-radius: 999px;
        padding: 0.85rem 2.2rem;
        transition: all 0.3s;
        background: transparent;
    }

    .btn-outline:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        transform: translateY(-2px);
    }

    .menu-toggle {
        display: none;
        flex-direction: column;
        gap: 6px;
        padding: 0.5rem;
    }

    .menu-toggle span {
        display: block;
        width: 26px;
        height: 2px;
        background: var(--color-accent);
        transition: all 0.3s;
        border-radius: 2px;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 108px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        z-index: 99;
        padding: 1rem 1.5rem 2rem;
        box-shadow: 0 20px 40px rgba(20, 35, 26, 0.1);
    }

    .mobile-menu.open {
        display: block;
    }

    .mobile-menu nav {
        display: flex;
        flex-direction: column;
        gap: 0.15rem;
    }

    .mobile-menu nav a {
        padding: 0.85rem 0;
        font-weight: 500;
        border-bottom: 1px solid var(--color-border);
        transition: color 0.3s;
    }

    .mobile-menu nav a:hover {
        color: var(--color-primary);
    }

    .mobile-menu nav .btn-primary {
        margin-top: 1.2rem;
        width: 100%;
    }

    /* Hero */
    .hero {
        position: relative;
        min-height: calc(100vh - 108px);
        display: flex;
        align-items: center;
        background: var(--color-dark);
        overflow: hidden;
        isolation: isolate;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        animation: heroZoom 4s ease-out forwards;
        z-index: -2;
    }

    @keyframes heroZoom {
        from {
            transform: scale(1.05);
        }
        to {
            transform: scale(1);
        }
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(20, 35, 26, 0.92) 0%, rgba(20, 35, 26, 0.72) 55%, rgba(20, 35, 26, 0.35) 100%);
        z-index: -1;
    }

    .hero-content {
        padding-block: 5rem 4rem;
        text-align: center;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        border: 1px solid var(--color-accent);
        color: var(--color-accent);
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.15em;
        padding: 0.35rem 1.1rem;
        border-radius: 999px;
        margin-bottom: 1.8rem;
        animation: fadeUp 0.6s 0.1s both;
    }

    .hero h1 {
        font-size: 2.5rem;
        font-weight: 800;
        color: #fff;
        line-height: 1.25;
        letter-spacing: -0.02em;
        max-width: 780px;
        margin: 0 auto 1.2rem;
        animation: fadeUp 0.6s 0.25s both;
    }

    @media (min-width: 768px) {
        .hero h1 {
            font-size: 3.75rem;
        }
    }

    .hero-subtitle {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.85);
        max-width: 480px;
        margin: 0 auto 2.5rem;
        line-height: 1.6;
        animation: fadeUp 0.6s 0.4s both;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
        margin-bottom: 3rem;
        animation: fadeUp 0.6s 0.55s both;
    }

    .hero-trust {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        color: rgba(255, 255, 255, 0.75);
        font-size: 0.85rem;
        letter-spacing: 0.06em;
        animation: fadeUp 0.6s 0.7s both;
    }

    .trust-line {
        width: 60px;
        height: 1px;
        background: var(--color-accent);
    }

    @keyframes fadeUp {
        from {
            opacity: 0;
            transform: translateY(18px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* 板块标题 */
    .section-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        margin-bottom: 2.5rem;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .section-bar {
        display: block;
        width: 40px;
        height: 3px;
        background: var(--color-accent);
        border-radius: 2px;
        margin-bottom: 0.8rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
        font-weight: 800;
        color: var(--color-ink);
        letter-spacing: -0.01em;
        line-height: 1.3;
    }

    @media (min-width: 768px) {
        .section-header h2 {
            font-size: 2.25rem;
        }
    }

    .section-more {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        color: var(--color-muted);
        font-size: 0.9rem;
        font-weight: 500;
        transition: color 0.3s, gap 0.3s;
    }

    .section-more:hover {
        color: var(--color-accent);
        gap: 0.7rem;
    }

    /* 核心服务卡片 */
    .services {
        background: var(--color-body);
    }

    .service-card {
        position: relative;
        background: var(--color-surface);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .service-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--color-accent);
    }

    .service-card .card-img {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 10;
    }

    .service-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s;
    }

    .service-card:hover .card-img img {
        transform: scale(1.03);
    }

    .hot-badge {
        position: absolute;
        top: 0.75rem;
        left: 0.75rem;
        background: var(--color-accent);
        color: var(--color-dark);
        font-size: 0.7rem;
        font-weight: 700;
        padding: 0.25rem 0.7rem;
        border-radius: 999px;
        z-index: 2;
    }

    .card-body {
        padding: 1.5rem;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .card-tag {
        display: inline-flex;
        align-self: flex-start;
        font-size: 0.75rem;
        font-weight: 600;
        color: #8A6D3B;
        background: #F3EDE2;
        padding: 0.2rem 0.7rem;
        border-radius: 999px;
        margin-bottom: 0.8rem;
        letter-spacing: 0.04em;
    }

    .card-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--color-ink);
        line-height: 1.35;
        margin-bottom: 0.4rem;
    }

    .card-desc {
        font-size: 0.9rem;
        color: var(--color-muted);
        line-height: 1.65;
        flex: 1;
    }

    .card-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 1.2rem;
        border-top: 1px solid var(--color-border);
        padding-top: 1rem;
    }

    .card-spec {
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--color-primary);
        background: rgba(31, 61, 43, 0.06);
        padding: 0.2rem 0.8rem;
        border-radius: 999px;
    }

    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--color-muted);
        transition: color 0.3s, gap 0.3s;
    }

    .card-link:hover {
        color: var(--color-accent);
        gap: 0.6rem;
    }

    /* 数据统计条 */
    .stats-section {
        background: var(--color-surface);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
        padding-block: 3rem;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        text-align: center;
    }

    @media (min-width: 768px) {
        .stats-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    .stat-num {
        font-size: 2rem;
        font-weight: 800;
        color: var(--color-primary);
        font-feature-settings: 'tnum';
        line-height: 1.2;
    }

    .stat-label {
        font-size: 0.85rem;
        color: var(--color-muted);
        margin-top: 0.3rem;
    }

    /* 评价轮播 */
    .testimonials {
        background: var(--color-surface);
        padding-block: 5rem 6rem;
    }

    .testimonials-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 3rem;
        align-items: center;
    }

    @media (min-width: 768px) {
        .testimonials-grid {
            grid-template-columns: 5fr 7fr;
        }
    }

    .testimonials-intro .section-bar {
        margin-bottom: 0.8rem;
    }

    .testimonials-intro h2 {
        font-size: 1.75rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    .testimonials-intro p {
        color: var(--color-muted);
        font-size: 0.95rem;
        max-width: 320px;
    }

    .review-carousel {
        position: relative;
        background: var(--color-body);
        border-radius: 20px;
        padding: 2.5rem 2rem;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        overflow: hidden;
    }

    .review-slide {
        display: none;
        animation: fadeIn 0.5s ease;
    }

    .review-slide.active {
        display: block;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .review-stars {
        color: var(--color-accent);
        font-size: 1.1rem;
        letter-spacing: 0.2em;
        margin-bottom: 1rem;
    }

    .review-text {
        font-size: 0.98rem;
        color: #444;
        line-height: 1.8;
        margin-bottom: 1.5rem;
    }

    .review-author {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .review-avatar {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--color-primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
    }

    .review-name {
        font-weight: 600;
        font-size: 0.9rem;
    }

    .review-role {
        font-size: 0.78rem;
        color: var(--color-muted);
    }

    .carousel-nav {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.8rem;
        margin-top: 1.8rem;
    }

    .carousel-arrow {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--color-body);
        border: 1px solid var(--color-border);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1rem;
        transition: all 0.3s;
        color: var(--color-ink);
    }

    .carousel-arrow:hover {
        background: var(--color-accent);
        color: var(--color-dark);
        border-color: var(--color-accent);
    }

    .carousel-dots {
        display: flex;
        gap: 0.5rem;
    }

    .review-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--color-border);
        transition: all 0.3s;
        cursor: pointer;
    }

    .review-dot.active {
        background: var(--color-accent);
        transform: scale(1.3);
    }

    /* 保障服务条 */
    .guarantee {
        background: var(--color-primary);
        padding-block: 3.5rem;
    }

    .guarantee-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    @media (min-width: 768px) {
        .guarantee-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    .guarantee-item {
        text-align: center;
        color: #fff;
    }

    .guarantee-icon {
        width: 52px;
        height: 52px;
        margin: 0 auto 0.8rem;
        border: 1px solid rgba(194, 168, 120, 0.5);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .guarantee-icon svg {
        width: 24px;
        height: 24px;
        stroke: var(--color-accent);
        stroke-width: 1.5;
        fill: none;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .guarantee-item h3 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 0.4rem;
    }

    .guarantee-item p {
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.7);
        line-height: 1.6;
    }

    /* 最新资讯 */
    .news {
        background: var(--color-body);
    }

    .news-card {
        background: var(--color-surface);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        border: 1px solid transparent;
    }

    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--color-border);
    }

    .news-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        transition: transform 0.5s;
    }

    .news-card:hover img {
        transform: scale(1.03);
    }

    .news-body {
        padding: 1.5rem;
    }

    .news-meta {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-size: 0.8rem;
        color: var(--color-muted);
        margin-bottom: 0.7rem;
    }

    .news-meta-dot {
        width: 6px;
        height: 6px;
        background: var(--color-accent);
        border-radius: 50%;
        display: inline-block;
    }

    .news-body h3 {
        font-size: 1.05rem;
        font-weight: 700;
        line-height: 1.5;
        margin-bottom: 0.6rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-body p {
        font-size: 0.88rem;
        color: var(--color-muted);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 1rem;
    }

    .news-link {
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--color-primary);
        transition: gap 0.3s, color 0.3s;
    }

    .news-link:hover {
        color: var(--color-accent);
        gap: 0.6rem;
    }

    .empty-state {
        grid-column: 1 / -1;
        border: 2px dashed var(--color-border);
        border-radius: 16px;
        padding: 3rem 1.5rem;
        text-align: center;
        color: var(--color-muted);
        font-size: 0.95rem;
        background: rgba(255, 255, 255, 0.5);
    }

    /* FAQ */
    .faq-section {
        background: var(--color-surface);
    }

    .faq-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    @media (min-width: 768px) {
        .faq-grid {
            grid-template-columns: 5fr 7fr;
        }
    }

    .faq-intro .section-bar {
        margin-bottom: 0.8rem;
    }

    .faq-intro h2 {
        font-size: 1.75rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    .faq-intro p {
        color: var(--color-muted);
        font-size: 0.95rem;
        max-width: 360px;
    }

    .faq-contact {
        margin-top: 1.5rem;
        font-size: 0.9rem;
        color: var(--color-muted);
    }

    .faq-contact a {
        color: var(--color-primary);
        font-weight: 600;
        border-bottom: 1px solid var(--color-accent);
        transition: color 0.3s;
    }

    .faq-contact a:hover {
        color: var(--color-accent);
    }

    .faq-list {
        border-top: 1px solid var(--color-border);
    }

    .faq-item {
        border-bottom: 1px solid var(--color-border);
    }

    .faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 1.2rem 0;
        font-size: 1rem;
        font-weight: 600;
        color: var(--color-ink);
        text-align: left;
        transition: color 0.3s;
        gap: 1rem;
    }

    .faq-question:hover {
        color: var(--color-primary);
    }

    .faq-icon {
        position: relative;
        flex-shrink: 0;
        width: 20px;
        height: 20px;
    }

    .faq-icon::before,
    .faq-icon::after {
        content: '';
        position: absolute;
        background: var(--color-accent);
        border-radius: 2px;
        transition: transform 0.3s;
    }

    .faq-icon::before {
        top: 50%;
        left: 0;
        width: 20px;
        height: 2px;
        transform: translateY(-50%);
    }

    .faq-icon::after {
        left: 50%;
        top: 0;
        width: 2px;
        height: 20px;
        transform: translateX(-50%);
    }

    .faq-item.open .faq-icon::after {
        transform: translateX(-50%) scaleY(0);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .faq-answer p {
        padding-bottom: 1.2rem;
        font-size: 0.9rem;
        color: var(--color-muted);
        line-height: 1.75;
    }

    /* CTA 条 */
    .cta-section {
        background: var(--color-body);
        padding-block: 4rem 5rem;
    }

    .cta-box {
        position: relative;
        background: var(--color-dark);
        border-radius: 24px;
        padding: 4rem 2rem;
        text-align: center;
        overflow: hidden;
        isolation: isolate;
    }

    .cta-box::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at 20% 20%, rgba(194, 168, 120, 0.18) 0%, transparent 40%),
            radial-gradient(circle at 80% 80%, rgba(194, 168, 120, 0.12) 0%, transparent 40%);
        z-index: -1;
    }

    .cta-box h2 {
        color: #fff;
        font-size: 1.8rem;
        font-weight: 800;
        margin-bottom: 0.8rem;
    }

    .cta-box p {
        color: rgba(255, 255, 255, 0.75);
        font-size: 1rem;
        max-width: 440px;
        margin: 0 auto 2rem;
        line-height: 1.7;
    }

    /* 页脚 */
    .site-footer {
        background: var(--color-dark);
        color: rgba(255, 255, 255, 0.65);
        border-top: 1px solid var(--color-accent);
        padding-top: 4rem;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding-bottom: 3rem;
    }

    @media (min-width: 768px) {
        .footer-grid {
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
        }
    }

    .footer-brand {
        font-size: 1.4rem;
        font-weight: 800;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin-bottom: 0.8rem;
    }

    .footer-brand .brand-tag {
        font-size: 0.65rem;
    }

    .footer-desc {
        font-size: 0.85rem;
        line-height: 1.8;
        max-width: 260px;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 0.95rem;
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .footer-col ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0.55rem;
    }

    .footer-col ul a {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.65);
        transition: color 0.3s;
    }

    .footer-col ul a:hover {
        color: var(--color-accent);
    }

    .footer-contact li {
        font-size: 0.85rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-block: 1.2rem;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom-links {
        display: flex;
        gap: 1.5rem;
    }

    .footer-bottom-links a {
        color: rgba(255, 255, 255, 0.45);
        transition: color 0.3s;
    }

    .footer-bottom-links a:hover {
        color: var(--color-accent);
    }

    /* 响应式 */
    @media (max-width: 1023px) {
        .main-nav {
            gap: 1.2rem;
        }
    }

    @media (max-width: 767px) {
        .main-nav {
            display: none;
        }

        .nav-cta {
            display: none !important;
        }

        .menu-toggle {
            display: flex;
        }

        .topbar-inner {
            justify-content: center;
        }

        .topbar-domain {
            font-size: 0.75rem;
        }

        .topbar-links {
            display: none;
        }

        .hero-content {
            text-align: center;
            padding-block: 3.5rem 3rem;
        }

        .hero h1 {
            font-size: 1.65rem;
        }

        .hero-subtitle {
            font-size: 0.95rem;
        }

        .hero-actions {
            flex-direction: column;
            align-items: center;
        }

        .btn-gold,
        .btn-outline {
            width: 220px;
        }

        .section-header {
            flex-direction: column;
            align-items: flex-start;
            gap: 0.5rem;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .testimonials-grid {
            grid-template-columns: 1fr;
        }

        .cta-box {
            padding: 3rem 1.5rem;
        }

        .cta-box h2 {
            font-size: 1.4rem;
        }
    }

    @media (max-width: 520px) {
        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .stat-num {
            font-size: 1.6rem;
        }

        .guarantee-grid {
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .footer-bottom {
            justify-content: center;
            text-align: center;
        }

        .footer-bottom-links {
            justify-content: center;
        }
    }

    /* 焦点可见性 */
    a:focus-visible,
    button:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 3px;
    }

/* roulang page: article */
:root {
            --color-primary: #1F3D2B;
            --color-accent: #C2A878;
            --color-ink: #1A1A1A;
            --color-body: #F7F5F2;
            --color-surface: #FFFFFF;
            --color-dark: #14231A;
            --color-muted: #7A7A72;
            --color-border: #E6E2DA;
            --radius: 16px;
            --shadow-sm: 0 1px 3px rgba(20, 35, 26, 0.06);
            --shadow-lg: 0 12px 32px rgba(20, 35, 26, 0.12);
            --container: 1280px;
            --transition: all 0.3s ease-out;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-body);
            color: #333;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--color-dark);
            color: #fff;
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .topbar a {
            color: rgba(255, 255, 255, 0.8);
            margin-left: 20px;
            transition: var(--transition);
        }
        .topbar a:hover {
            color: var(--color-accent);
        }
        .topbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .topbar-links .sep {
            color: rgba(255, 255, 255, 0.3);
            margin: 0 4px;
        }

        /* ===== 主导航 ===== */
        .main-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }
        .main-header.scrolled {
            box-shadow: 0 4px 20px rgba(20, 35, 26, 0.08);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 22px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .brand-main {
            color: var(--color-ink);
        }
        .brand-tag {
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 700;
            border: 1.5px solid var(--color-accent);
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #555;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-item:hover {
            color: var(--color-primary);
            background: rgba(31, 61, 43, 0.05);
        }
        .nav-item.active {
            color: var(--color-primary);
            font-weight: 700;
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 28px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(31, 61, 43, 0.2);
        }
        .btn-primary:hover {
            background: #2A4A35;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(31, 61, 43, 0.25);
            outline: 1px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }
        .mobile-toggle span {
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
            display: block;
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 99;
            padding: 24px;
            box-shadow: 0 20px 40px rgba(20, 35, 26, 0.12);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu .nav-item {
            display: block;
            padding: 14px 16px;
            font-size: 17px;
            border-radius: 10px;
        }
        .mobile-menu .btn-primary {
            margin-top: 16px;
            display: flex;
            justify-content: center;
        }

        /* ===== 文章页头 ===== */
        .article-hero {
            padding: 56px 0 40px;
            background: linear-gradient(135deg, #F7F5F2 0%, #EFEBE4 100%);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero .container {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--color-muted);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: #C9C4BC;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
            max-width: 220px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .article-title {
            font-size: clamp(30px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -1px;
            color: var(--color-ink);
            margin-bottom: 20px;
            max-width: 720px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--color-muted);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item svg {
            width: 15px;
            height: 15px;
            stroke: var(--color-accent);
            fill: none;
            stroke-width: 2;
        }
        .article-hero-img {
            position: relative;
        }
        .article-hero-img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
            border: 4px solid #fff;
        }
        .article-hero-img::after {
            content: 'ob视讯官方';
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(20, 35, 26, 0.8);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 1px;
            backdrop-filter: blur(4px);
        }

        /* ===== 主内容区 ===== */
        .article-main {
            padding: 56px 0 72px;
        }
        .article-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 48px;
            align-items: start;
        }
        .article-content-wrap {
            background: var(--color-surface);
            border-radius: var(--radius);
            padding: 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        /* ===== 正文排版 ===== */
        .prose-cms {
            font-size: 16px;
            line-height: 1.85;
            color: #3D3D3A;
            max-width: 100%;
        }
        .prose-cms p {
            margin-bottom: 24px;
            text-align: justify;
        }
        .prose-cms h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-ink);
            margin: 40px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--color-accent);
            line-height: 1.4;
        }
        .prose-cms h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 32px 0 12px;
        }
        .prose-cms ul,
        .prose-cms ol {
            margin: 0 0 24px 24px;
            padding-left: 8px;
        }
        .prose-cms li {
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .prose-cms li::marker {
            color: var(--color-accent);
        }
        .prose-cms blockquote {
            margin: 28px 0;
            padding: 20px 24px;
            background: #F7F5F2;
            border-left: 4px solid var(--color-accent);
            border-radius: 0 12px 12px 0;
            color: #555;
            font-style: normal;
            font-size: 15px;
        }
        .prose-cms blockquote p:last-child {
            margin-bottom: 0;
        }
        .prose-cms code {
            background: #F0EDE8;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--color-primary);
        }
        .prose-cms pre {
            background: var(--color-dark);
            color: #E8E4DE;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .prose-cms pre code {
            background: none;
            padding: 0;
            color: inherit;
        }
        .prose-cms a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--color-accent);
        }
        .prose-cms a:hover {
            color: var(--color-accent);
        }
        .prose-cms img {
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-cover {
            border-radius: 16px;
            margin-bottom: 32px;
            aspect-ratio: 16/7;
            object-fit: cover;
            width: 100%;
        }

        /* ===== 空态 ===== */
        .empty-article {
            padding: 48px 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            text-align: center;
        }
        .empty-article p {
            font-size: 18px;
            color: var(--color-muted);
        }
        .empty-article a {
            color: var(--color-primary);
            font-weight: 600;
            border-bottom: 2px solid var(--color-accent);
            padding-bottom: 2px;
        }
        .empty-article a:hover {
            color: var(--color-accent);
        }

        /* ===== 上一篇/下一篇 ===== */
        .article-pagination {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
        }
        .pager-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 10px 18px;
            border-radius: 999px;
            background: #F7F5F2;
            transition: var(--transition);
        }
        .pager-link:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(31, 61, 43, 0.2);
        }

        /* ===== 侧栏 ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 4px;
            display: inline-block;
        }
        .empty-recommend {
            padding: 32px 16px;
            text-align: center;
            border: 1.5px dashed var(--color-border);
            border-radius: 12px;
            color: var(--color-muted);
            font-size: 14px;
            background: #FBFAF8;
        }
        .sidebar-cats {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-cats a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            color: #555;
            background: #FBFAF8;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .sidebar-cats a::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            opacity: 0.5;
            transition: var(--transition);
        }
        .sidebar-cats a:hover {
            color: var(--color-primary);
            background: #F3EDE2;
            border-color: var(--color-accent);
            transform: translateX(2px);
        }
        .sidebar-cats a.active {
            color: var(--color-primary);
            font-weight: 700;
            background: #F3EDE2;
            border-color: var(--color-accent);
        }
        .sidebar-cats a.active::before {
            opacity: 1;
            box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.3);
        }
        .sidebar-cert {
            background: var(--color-dark);
            color: #fff;
            border: none;
            text-align: center;
            padding: 36px 28px;
            position: relative;
            overflow: hidden;
        }
        .sidebar-cert::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(194, 168, 120, 0.2);
        }
        .sidebar-cert .cert-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(194, 168, 120, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 22px;
            border: 1px solid rgba(194, 168, 120, 0.3);
        }
        .sidebar-cert h3 {
            color: #fff;
            border-bottom: none;
            padding: 0;
            justify-content: center;
            margin-bottom: 12px;
        }
        .sidebar-cert h3::before {
            display: none;
        }
        .sidebar-cert p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .sidebar-cert .btn-primary {
            background: var(--color-accent);
            color: var(--color-dark) !important;
            box-shadow: none;
        }
        .sidebar-cert .btn-primary:hover {
            background: #D4BC8C;
            outline-color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 56px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
        }
        .faq-section .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 48px;
            align-items: start;
        }
        .faq-heading h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-ink);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .faq-heading p {
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            user-select: none;
            padding: 4px 0;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transform: translate(-50%, -50%);
            transition: var(--transition);
        }
        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }
        .faq-item.open .faq-icon::after {
            transform: translate(-50%, -50%) rotate(180deg);
            opacity: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out;
            color: var(--color-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 12px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0;
        }
        .cta-card {
            background: var(--color-dark);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 20%;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.2) 0%, transparent 70%);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 10%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.12) 0%, transparent 70%);
        }
        .cta-card h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }
        .cta-card .btn-accent {
            background: var(--color-accent);
            color: var(--color-dark) !important;
            padding: 14px 40px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            display: inline-block;
            position: relative;
            z-index: 1;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(194, 168, 120, 0.3);
        }
        .cta-card .btn-accent:hover {
            background: #D4BC8C;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(194, 168, 120, 0.4);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid var(--color-accent);
            padding-top: 64px;
        }
        .site-footer .container {
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand .brand-tag {
            color: var(--color-accent);
            font-size: 13px;
            border: 1px solid var(--color-accent);
            padding: 2px 10px;
            border-radius: 20px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-col ul li {
            font-size: 14px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-contact li {
            color: rgba(255, 255, 255, 0.6);
            padding-left: 20px;
            position: relative;
        }
        .footer-contact li::before {
            content: '›';
            position: absolute;
            left: 6px;
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: 1fr 300px;
                gap: 32px;
            }
            .article-content-wrap {
                padding: 32px;
            }
            .article-hero .container {
                grid-template-columns: 1fr;
            }
            .article-hero-img {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .mobile-menu {
                display: block;
                top: 72px;
                transform: translateY(-20px);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .mobile-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .topbar .topbar-links {
                display: none;
            }
            .topbar .container {
                justify-content: center;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .article-main {
                padding: 32px 0 48px;
            }
            .article-content-wrap {
                padding: 24px;
            }
            .faq-section .faq-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-card {
                padding: 48px 24px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            .article-pagination {
                flex-direction: column;
                align-items: stretch;
            }
            .pager-link {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand {
                font-size: 18px;
            }
            .brand-tag {
                font-size: 12px;
                padding: 2px 8px;
            }
            .article-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-content-wrap {
                padding: 20px 16px;
            }
            .prose-cms {
                font-size: 15px;
            }
            .topbar {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1F3D2B;
            --color-primary-dark: #173A26;
            --color-primary-darker: #14231A;
            --color-accent: #C2A878;
            --color-accent-light: #D4BE8E;
            --color-ink: #1A1A1A;
            --color-body: #F7F5F2;
            --color-surface: #FFFFFF;
            --color-dark: #14231A;
            --color-muted: #7A7A72;
            --color-border: #E6E2DA;
            --color-gold-bg: #F3EDE2;
            --color-gold-text: #8A6D3B;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.10);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--color-body);
            color: var(--color-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.3s ease;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Top Bar ===== */
        .top-bar {
            background-color: var(--color-dark);
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
        }

        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .top-bar-links {
            display: flex;
            gap: 1.25rem;
            align-items: center;
        }

        .top-bar-links a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.25s ease;
        }

        .top-bar-links a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 639px) {
            .top-bar-inner>span {
                display: none;
            }
            .top-bar-inner {
                justify-content: center;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(230, 226, 218, 0.8);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(20, 35, 26, 0.08);
        }

        .nav-row {
            border-top: 1px solid rgba(230, 226, 218, 0.5);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 2rem;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 2px;
            font-size: 1.375rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            flex-shrink: 0;
        }

        .brand .brand-tag {
            background: var(--color-accent);
            color: #1A1A1A;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 4px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-item {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: #555;
            padding: 8px 0;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .nav-item::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width 0.3s ease;
        }

        .nav-item:hover {
            color: var(--color-primary);
        }

        .nav-item:hover::after,
        .nav-item.active::after {
            width: 24px;
        }

        .nav-item.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 999px;
            padding: 10px 24px;
            transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: var(--color-primary-dark);
            box-shadow: 0 0 0 1px var(--color-accent);
            transform: translateY(-1px);
        }

        .nav-cta:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-primary);
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 1.5rem 1rem 2rem;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            z-index: 99;
            flex-direction: column;
            gap: 0.5rem;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-ink);
            transition: background-color 0.25s ease, color 0.25s ease;
        }

        .mobile-menu a:hover {
            background-color: var(--color-gold-bg);
            color: var(--color-gold-text);
        }

        .mobile-menu a.active {
            background-color: var(--color-primary);
            color: #fff;
        }

        .mobile-menu .mobile-cta {
            margin-top: 8px;
            text-align: center;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: 999px;
            font-weight: 600;
        }

        .mobile-menu .mobile-cta:hover {
            background-color: var(--color-primary-dark);
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 96px 0;
            }
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--color-ink);
        }

        .section-title .accent {
            color: var(--color-gold-text);
        }

        .section-title-bar {
            display: inline-block;
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-subtitle {
            color: var(--color-muted);
            font-size: 15px;
            margin-top: 8px;
            max-width: 620px;
        }

        /* ===== Hero ===== */
        .page-hero {
            background-color: var(--color-body);
            position: relative;
            overflow: hidden;
            padding: 72px 0 64px;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -160px;
            right: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.16) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(194, 168, 120, 0.5), transparent);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1.1fr 0.9fr;
                gap: 60px;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid var(--color-accent);
            color: var(--color-gold-text);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            background: rgba(255, 255, 255, 0.7);
        }

        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .hero-title {
            font-size: 38px;
            line-height: 1.22;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-primary);
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 52px;
            }
        }

        .hero-desc {
            margin-top: 18px;
            font-size: 16px;
            color: #6b6b64;
            line-height: 1.8;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 32px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            padding: 13px 32px;
            transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            box-shadow: 0 0 0 1px var(--color-accent), 0 8px 20px rgba(31, 61, 43, 0.18);
            transform: translateY(-1px);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
            color: var(--color-ink);
            font-size: 15px;
            font-weight: 500;
            border-radius: 999px;
            padding: 13px 28px;
            background: transparent;
            transition: border-color 0.3s ease, color 0.3s ease, transform 0.2s ease, background-color 0.3s ease;
        }

        .btn-outline-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-gold-text);
            transform: translateY(-1px);
            background-color: rgba(255, 255, 255, 0.6);
        }

        .hero-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(20, 35, 26, 0.16);
            position: relative;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        @media (min-width: 768px) {
            .hero-image-wrap img {
                height: 420px;
            }
        }

        .hero-float-card {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            font-size: 13px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            border: 1px solid rgba(194, 168, 120, 0.3);
        }

        .hero-float-card strong {
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 700;
        }

        .hero-meta-line {
            margin-top: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }

        .hero-meta-line .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ===== Feature Bar ===== */
        .feature-bar {
            background: linear-gradient(135deg, var(--color-primary-darker) 0%, var(--color-primary) 100%);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .feature-bar::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.14) 0%, transparent 70%);
            pointer-events: none;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 640px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .feature-item {
            text-align: center;
            padding: 8px 12px;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 16px;
            border: 1px solid rgba(194, 168, 120, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
        }

        .feature-icon svg {
            width: 26px;
            height: 26px;
            stroke: var(--color-accent);
            stroke-width: 1.5;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .feature-item h3 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .feature-item p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            line-height: 1.6;
        }

        /* ===== Plans Cards ===== */
        .plans-section {
            background-color: var(--color-surface);
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.25s ease, gap 0.25s ease;
        }

        .section-link:hover {
            color: var(--color-gold-text);
            gap: 10px;
        }

        .section-link svg {
            width: 16px;
            height: 16px;
        }

        .plans-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 640px) {
            .plans-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .plans-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .plan-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .plan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .plan-card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .plan-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .plan-card:hover .plan-card-media img {
            transform: scale(1.02);
        }

        .plan-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #1A1A1A;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .plan-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .plan-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .plan-card-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            flex: 1;
        }

        .plan-card-footer {
            margin-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
        }

        .plan-spec {
            font-size: 13px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .plan-spec .spec-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
        }

        .plan-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.25s ease, color 0.25s ease;
        }

        .plan-link:hover {
            color: var(--color-accent);
            gap: 8px;
        }

        .plan-link svg {
            width: 14px;
            height: 14px;
        }

        /* ===== Scenarios ===== */
        .scenarios-section {
            background-color: var(--color-body);
            position: relative;
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .scenarios-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .scenario-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--color-gold-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .scenario-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-gold-text);
            stroke-width: 1.5;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .scenario-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
        }

        /* ===== Process ===== */
        .process-section {
            background-color: var(--color-surface);
        }

        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-top: 48px;
        }

        @media (min-width: 640px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 0;
                position: relative;
            }
        }

        .process-step {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }

        .process-step::after {
            content: "";
            position: absolute;
            top: 60px;
            right: -14px;
            width: 28px;
            height: 1px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
            display: none;
        }

        @media (min-width: 1024px) {
            .process-step:not(:last-child)::after {
                display: block;
            }
        }

        .process-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            box-shadow: 0 6px 16px rgba(31, 61, 43, 0.22);
        }

        .process-num::after {
            content: "";
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 1px solid var(--color-accent);
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.65;
            max-width: 200px;
            margin: 0 auto;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background-color: var(--color-body);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        @media (min-width: 1024px) {
            .faq-layout {
                grid-template-columns: 0.8fr 1.2fr;
                gap: 60px;
            }
        }

        .faq-intro {
            position: sticky;
            top: 100px;
            align-self: start;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            background: var(--color-surface);
            border-left: 3px solid transparent;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        .faq-item.active {
            border-left-color: var(--color-accent);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            transition: color 0.25s ease;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            position: relative;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }

        .faq-icon::before {
            width: 18px;
            height: 2px;
            top: 8px;
            left: 0;
        }

        .faq-icon::after {
            width: 2px;
            height: 18px;
            top: 0;
            left: 8px;
        }

        .faq-item.active .faq-icon::after {
            transform: scaleY(0);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-muted);
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-bottom: 22px;
        }

        .faq-bottom-note {
            margin-top: 28px;
            font-size: 14px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .faq-bottom-note a {
            color: var(--color-primary);
            font-weight: 600;
        }

        .faq-bottom-note a:hover {
            color: var(--color-gold-text);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0 0 80px;
            background: var(--color-body);
        }

        .cta-box {
            background: linear-gradient(135deg, #0f1e15 0%, var(--color-primary-darker) 60%, #1d3a28 100%);
            border-radius: 24px;
            padding: 56px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -80px;
            left: 20%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -100px;
            right: 10%;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 768px) {
            .cta-box h2 {
                font-size: 34px;
            }
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-accent);
            color: #1A1A1A;
            font-size: 15px;
            font-weight: 700;
            border-radius: 999px;
            padding: 13px 32px;
            transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
        }

        .btn-gold:hover {
            background-color: var(--color-accent-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(194, 168, 120, 0.25);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            border-radius: 999px;
            padding: 13px 28px;
            transition: border-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
        }

        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-dark);
            color: #9ca8a0;
            border-top: 2px solid var(--color-accent);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
                gap: 40px;
            }
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .footer-brand .brand-tag {
            background: var(--color-accent);
            color: #1A1A1A;
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 4px;
            line-height: 1.4;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: #8d9a92;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: #8d9a92;
            font-size: 14px;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-contact li {
            font-size: 14px;
            color: #8d9a92;
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #7a877f;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            color: #7a877f;
            transition: color 0.25s ease;
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ===== Animations ===== */
        @keyframes heroSlideUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-hero-1 {
            animation: heroSlideUp 0.6s ease-out both;
        }

        .animate-hero-2 {
            animation: heroSlideUp 0.6s ease-out 0.15s both;
        }

        .animate-hero-3 {
            animation: heroSlideUp 0.6s ease-out 0.3s both;
        }

        .animate-hero-4 {
            animation: heroSlideUp 0.6s ease-out 0.45s both;
        }

        /* ===== Responsive Tuning ===== */
        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .cta-box {
                padding: 40px 20px;
                border-radius: 18px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding-bottom: 18px;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #1F3D2B;
        --accent: #C2A878;
        --ink: #1A1A1A;
        --body: #F7F5F2;
        --surface: #FFFFFF;
        --dark: #14231A;
        --muted: #7A7A72;
        --border: #E6E2DA;
    }
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        background: var(--body);
        color: var(--ink);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color .3s ease;
    }
    img {
        max-width: 100%;
        display: block;
    }
    .container {
        max-width: 80rem;
        margin: 0 auto;
        padding: 0 1.25rem;
    }
    @media (min-width:768px) {
        .container {
            padding: 0 2rem;
        }
    }
    @media (min-width:1024px) {
        .container {
            padding: 0 2.5rem;
        }
    }
    .top-bar {
        background: var(--dark);
        height: 38px;
        color: rgba(255, 255, 255, .78);
        font-size: .8125rem;
        display: flex;
        align-items: center;
    }
    .top-bar-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }
    .top-bar a {
        color: rgba(255, 255, 255, .82);
        font-weight: 500;
        margin-left: 1rem;
        transition: color .3s;
    }
    .top-bar a:hover {
        color: var(--accent);
    }
    .top-bar-sep {
        color: rgba(255, 255, 255, .3);
        margin-left: 1rem;
    }
    @media (max-width: 640px) {
        .top-bar .top-bar-links span.top-bar-sep,
        .top-bar .top-bar-links a:first-child {
            display: none;
        }
    }
    .site-header {
        background: #fff;
        box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(20, 35, 26, .03);
        position: relative;
        z-index: 50;
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 1.5rem;
    }
    .brand {
        display: flex;
        align-items: center;
        gap: .4rem;
        flex-shrink: 0;
    }
    .brand-name {
        font-size: 1.4rem;
        font-weight: 800;
        letter-spacing: -.02em;
        color: var(--ink);
    }
    .brand-tag {
        background: var(--accent);
        color: var(--dark);
        font-size: .72rem;
        font-weight: 700;
        padding: .15rem .5rem;
        border-radius: 999px;
        letter-spacing: .04em;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 1.8rem;
    }
    .main-nav .nav-item {
        font-size: .9375rem;
        font-weight: 500;
        color: #4a4a4a;
        padding: .4rem 0;
        position: relative;
        letter-spacing: .02em;
        white-space: nowrap;
        transition: color .3s;
    }
    .main-nav .nav-item::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: -2px;
        width: 0;
        height: 2px;
        background: var(--accent);
        transition: width .3s ease;
    }
    .main-nav .nav-item:hover {
        color: var(--primary);
    }
    .main-nav .nav-item:hover::after {
        width: 100%;
    }
    .main-nav .nav-item.active {
        color: var(--primary);
        font-weight: 700;
    }
    .main-nav .nav-item.active::after {
        width: 100%;
    }
    .header-cta {
        background: var(--primary);
        color: #fff;
        padding: .55rem 1.4rem;
        border-radius: 999px;
        font-size: .875rem;
        font-weight: 600;
        transition: all .3s ease;
        border: 1px solid transparent;
        white-space: nowrap;
    }
    .header-cta:hover {
        background: #2a4a35;
        border-color: var(--accent);
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(31, 61, 43, .18);
    }
    .mobile-menu-btn {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        width: 30px;
        height: 30px;
        position: relative;
        z-index: 60;
    }
    .mobile-menu-btn span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--primary);
        margin: 5px auto;
        transition: all .3s ease;
        border-radius: 2px;
    }
    .mobile-menu {
        display: none;
        position: fixed;
        inset: 0;
        background: #fff;
        z-index: 55;
        padding: 4.5rem 1.5rem 2rem;
        flex-direction: column;
        gap: .4rem;
    }
    .mobile-menu.open {
        display: flex;
    }
    .mobile-menu a {
        font-size: 1.125rem;
        font-weight: 600;
        color: var(--ink);
        padding: .9rem 0;
        border-bottom: 1px solid var(--border);
    }
    .mobile-menu a.active {
        color: var(--primary);
    }
    .mobile-menu .mobile-cta {
        margin-top: 1.5rem;
        text-align: center;
        background: var(--primary);
        color: #fff;
        padding: .8rem;
        border-radius: 999px;
        font-weight: 600;
    }
    @media (max-width: 900px) {
        .main-nav {
            display: none;
        }
        .header-cta {
            display: none;
        }
        .mobile-menu-btn {
            display: block;
        }
    }
    .srv-hero {
        background: var(--body);
        padding: 4.5rem 0 4rem;
        position: relative;
        overflow: hidden;
    }
    .srv-hero::before {
        content: "";
        position: absolute;
        top: -80px;
        right: -60px;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(194, 168, 120, .12) 0%, transparent 70%);
        pointer-events: none;
    }
    .srv-hero-inner {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1.1fr .9fr;
        gap: 3rem;
        align-items: center;
    }
    .srv-hero-tag {
        display: inline-flex;
        align-items: center;
        border: 1px solid rgba(194, 168, 120, .7);
        color: #8a6d3b;
        background: rgba(194, 168, 120, .08);
        font-size: .8125rem;
        font-weight: 600;
        padding: .28rem .85rem;
        border-radius: 999px;
        margin-bottom: 1.25rem;
        letter-spacing: .05em;
    }
    .srv-hero h1 {
        font-size: 2.75rem;
        line-height: 1.15;
        font-weight: 800;
        letter-spacing: -.02em;
        color: var(--ink);
        margin-bottom: .4rem;
    }
    .srv-hero h1 .accent-text {
        color: var(--accent);
        font-weight: 800;
    }
    .srv-hero-desc {
        font-size: 1.0625rem;
        color: var(--muted);
        max-width: 32rem;
        margin-top: 1rem;
        line-height: 1.8;
    }
    .srv-hero .hero-btn-row {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        margin-top: 2rem;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        font-size: .9375rem;
        font-weight: 600;
        padding: .72rem 1.7rem;
        transition: all .3s ease;
        border: 1px solid transparent;
        cursor: pointer;
    }
    .btn-gold {
        background: var(--accent);
        color: var(--dark);
    }
    .btn-gold:hover {
        background: #d3bb8c;
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(194, 168, 120, .28);
    }
    .btn-outline {
        border: 1px solid var(--primary);
        color: var(--primary);
    }
    .btn-outline:hover {
        background: rgba(31, 61, 43, .05);
        transform: translateY(-2px);
        box-shadow: 0 4px 14px rgba(31, 61, 43, .08);
    }
    .btn-dark {
        background: var(--dark);
        color: #fff;
    }
    .btn-dark:hover {
        background: #1e3a2a;
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(20, 35, 26, .25);
    }
    .btn:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }
    .srv-hero-media {
        border-radius: 1.25rem;
        overflow: hidden;
        box-shadow: 0 20px 50px rgba(20, 35, 26, .12);
        position: relative;
    }
    .srv-hero-media img {
        width: 100%;
        height: 360px;
        object-fit: cover;
    }
    .srv-hero-media::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(20, 35, 26, .08) 0%, transparent 60%);
        pointer-events: none;
    }
    @media (max-width: 900px) {
        .srv-hero-inner {
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .srv-hero h1 {
            font-size: 2.25rem;
        }
        .srv-hero-media img {
            height: 240px;
        }
    }
    .section-pad {
        padding: 4.5rem 0;
    }
    @media (min-width: 768px) {
        .section-pad {
            padding: 6rem 0;
        }
    }
    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 2rem;
        margin-bottom: 2.5rem;
    }
    .section-head .section-kicker {
        display: inline-flex;
        align-items: center;
        gap: .5rem;
        font-size: .8125rem;
        font-weight: 600;
        color: #8a6d3b;
        text-transform: uppercase;
        letter-spacing: .08em;
        margin-bottom: .5rem;
    }
    .section-head .section-kicker::before {
        content: "";
        width: 34px;
        height: 3px;
        background: var(--accent);
        border-radius: 4px;
    }
    .section-head h2 {
        font-size: 1.9rem;
        line-height: 1.25;
        font-weight: 800;
        letter-spacing: -.01em;
        color: var(--ink);
    }
    @media (min-width: 768px) {
        .section-head h2 {
            font-size: 2.25rem;
        }
    }
    .section-link {
        font-size: .875rem;
        font-weight: 600;
        color: var(--muted);
        display: inline-flex;
        align-items: center;
        gap: .3rem;
        transition: color .3s, transform .3s;
        white-space: nowrap;
    }
    .section-link:hover {
        color: var(--accent);
        transform: translateX(4px);
    }
    .cards-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    @media (min-width: 640px) {
        .cards-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (min-width: 1024px) {
        .cards-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    .card {
        background: var(--surface);
        border-radius: 1rem;
        box-shadow: 0 2px 10px rgba(20, 35, 26, .05);
        padding: 1.4rem;
        border: 1px solid transparent;
        transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
        display: flex;
        flex-direction: column;
    }
    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 18px 40px rgba(20, 35, 26, .09);
        border-color: rgba(194, 168, 120, .45);
    }
    .card-img {
        background: var(--body);
        border-radius: .75rem;
        overflow: hidden;
        margin-bottom: 1.1rem;
        position: relative;
    }
    .card-img img {
        width: 100%;
        height: 170px;
        object-fit: cover;
        transition: transform .5s ease;
    }
    .card:hover .card-img img {
        transform: scale(1.03);
    }
    .card-badge {
        display: inline-block;
        background: #F3EDE2;
        color: #8a6d3b;
        font-size: .75rem;
        font-weight: 600;
        padding: .25rem .75rem;
        border-radius: 999px;
        align-self: flex-start;
        margin-bottom: .6rem;
    }
    .card h3 {
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--ink);
        line-height: 1.4;
        margin-bottom: .4rem;
    }
    .card p {
        font-size: .875rem;
        color: var(--muted);
        line-height: 1.7;
        flex: 1;
        margin-bottom: .8rem;
    }
    .arrow-link {
        font-size: .85rem;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: .25rem;
        transition: color .3s;
    }
    .arrow-link:hover {
        color: var(--accent);
    }
    .arrow-link .arrow {
        transition: transform .3s;
    }
    .arrow-link:hover .arrow {
        transform: translateX(4px);
    }
    .steps-section {
        background: var(--dark);
        color: #fff;
        padding: 4.5rem 0;
        position: relative;
        overflow: hidden;
    }
    .steps-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 20% 30%, rgba(194, 168, 120, .08) 0%, transparent 60%),
            radial-gradient(ellipse at 80% 70%, rgba(31, 61, 43, .35) 0%, transparent 55%);
        pointer-events: none;
    }
    .steps-section .container {
        position: relative;
        z-index: 1;
    }
    .steps-section .section-head h2 {
        color: #fff;
    }
    .steps-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.25rem;
        margin-top: 2.5rem;
    }
    @media (min-width: 768px) {
        .steps-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }
    .step-card {
        background: rgba(255, 255, 255, .04);
        border: 1px solid rgba(255, 255, 255, .09);
        border-radius: 1rem;
        padding: 1.6rem 1.4rem;
        transition: all .3s ease;
        position: relative;
    }
    .step-card:hover {
        background: rgba(255, 255, 255, .07);
        border-color: rgba(194, 168, 120, .3);
        transform: translateY(-3px);
    }
    .step-num {
        font-size: 1.2rem;
        font-weight: 800;
        color: var(--accent);
        margin-bottom: .8rem;
        display: block;
        font-feature-settings: "tnum";
    }
    .step-card h3 {
        font-size: 1rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: .3rem;
    }
    .step-card p {
        font-size: .8125rem;
        line-height: 1.7;
        color: rgba(255, 255, 255, .65);
    }
    .guarantee-section {
        background: var(--surface);
        padding: 4.5rem 0;
    }
    @media (min-width: 768px) {
        .guarantee-section {
            padding: 5.5rem 0;
        }
    }
    .guarantee-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    @media (min-width: 640px) {
        .guarantee-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (min-width: 1024px) {
        .guarantee-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }
    .guarantee-item {
        text-align: center;
        padding: 2rem 1.2rem;
        border-radius: 1rem;
        border: 1px solid var(--border);
        background: #fcfbf9;
        transition: all .3s ease;
    }
    .guarantee-item:hover {
        border-color: rgba(194, 168, 120, .5);
        box-shadow: 0 12px 30px rgba(20, 35, 26, .06);
        transform: translateY(-3px);
    }
    .guarantee-icon {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: rgba(194, 168, 120, .12);
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1rem;
        color: #8a6d3b;
    }
    .guarantee-icon svg {
        width: 24px;
        height: 24px;
    }
    .guarantee-item h3 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: .3rem;
    }
    .guarantee-item p {
        font-size: .8125rem;
        color: var(--muted);
        line-height: 1.7;
    }
    .faq-section {
        background: var(--body);
        padding: 4.5rem 0;
    }
    @media (min-width: 768px) {
        .faq-section {
            padding: 6rem 0;
        }
    }
    .faq-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    @media (min-width: 900px) {
        .faq-grid {
            grid-template-columns: .85fr 1.15fr;
            gap: 4rem;
        }
    }
    .faq-title-area .section-kicker {
        display: inline-flex;
        align-items: center;
        gap: .5rem;
        font-size: .8125rem;
        font-weight: 600;
        color: #8a6d3b;
        letter-spacing: .08em;
        margin-bottom: .5rem;
    }
    .faq-title-area h2 {
        font-size: 1.75rem;
        font-weight: 800;
        line-height: 1.25;
        color: var(--ink);
        margin-bottom: .8rem;
    }
    .faq-title-area p {
        color: var(--muted);
        font-size: .9375rem;
        line-height: 1.75;
        max-width: 22rem;
    }
    .faq-title-area .faq-contact-link {
        display: inline-flex;
        align-items: center;
        gap: .45rem;
        font-size: .875rem;
        font-weight: 600;
        color: var(--primary);
        margin-top: .4rem;
        transition: color .3s;
    }
    .faq-title-area .faq-contact-link:hover {
        color: var(--accent);
    }
    .faq-list {
        background: var(--surface);
        border-radius: 1rem;
        box-shadow: 0 2px 16px rgba(20, 35, 26, .05);
        padding: 0 1.5rem;
        overflow: hidden;
    }
    .faq-item {
        border-bottom: 1px solid var(--border);
    }
    .faq-item:last-child {
        border-bottom: none;
    }
    .faq-q {
        width: 100%;
        background: none;
        border: none;
        padding: 1.15rem 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        font-size: .9375rem;
        font-weight: 600;
        color: var(--ink);
        text-align: left;
        cursor: pointer;
        transition: color .3s;
    }
    .faq-q:hover {
        color: var(--primary);
    }
    .faq-icon {
        position: relative;
        width: 22px;
        height: 22px;
        flex-shrink: 0;
        border-radius: 50%;
        background: rgba(194, 168, 120, .12);
        transition: background .3s;
    }
    .faq-icon::before,
    .faq-icon::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 10px;
        height: 1.5px;
        background: #8a6d3b;
        transition: all .3s ease;
        border-radius: 2px;
    }
    .faq-icon::after {
        transform: translate(-50%, -50%) rotate(90deg);
    }
    .faq-item.open .faq-icon::after {
        transform: translate(-50%, -50%) rotate(0deg);
        opacity: 0;
    }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s ease, padding .4s ease;
    }
    .faq-a p {
        font-size: .875rem;
        color: var(--muted);
        line-height: 1.85;
        padding: 0 0 1.2rem;
    }
    .faq-item.open .faq-a {
        max-height: 240px;
    }
    .cta-section {
        background: var(--body);
        padding: 2.5rem 0 5rem;
    }
    .cta-box {
        background: var(--dark);
        border-radius: 1.75rem;
        padding: 3rem 2rem;
        text-align: center;
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .cta-box::before {
        content: "";
        position: absolute;
        top: -50%;
        left: 20%;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(194, 168, 120, .12) 0%, transparent 70%);
        pointer-events: none;
    }
    .cta-box::after {
        content: "";
        position: absolute;
        bottom: -50%;
        right: 10%;
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(31, 61, 43, .4) 0%, transparent 70%);
        pointer-events: none;
    }
    .cta-box>* {
        position: relative;
        z-index: 1;
    }
    .cta-box h2 {
        font-size: 1.8rem;
        font-weight: 800;
        margin-bottom: .5rem;
    }
    @media (min-width: 768px) {
        .cta-box h2 {
            font-size: 2.4rem;
        }
    }
    .cta-box p {
        color: rgba(255, 255, 255, .7);
        font-size: .9375rem;
        max-width: 30rem;
        margin: 0 auto 1.8rem;
    }
    .cta-box .cta-btns {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: .8rem;
    }
    .site-footer {
        background: var(--dark);
        color: rgba(255, 255, 255, .7);
        border-top: 1px solid rgba(194, 168, 120, .25);
        padding: 3.5rem 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-bottom: 2.5rem;
    }
    @media (min-width: 640px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (min-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        }
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: .4rem;
        margin-bottom: .8rem;
    }
    .footer-brand span:first-child {
        font-size: 1.25rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: -.01em;
    }
    .footer-brand .brand-tag {
        background: var(--accent);
        color: var(--dark);
        font-size: .7rem;
        font-weight: 700;
        padding: .15rem .45rem;
        border-radius: 999px;
    }
    .footer-desc {
        font-size: .85rem;
        line-height: 1.7;
        color: rgba(255, 255, 255, .55);
        max-width: 22rem;
    }
    .footer-col h4 {
        font-size: .9375rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: .8rem;
    }
    .footer-col ul {
        list-style: none;
    }
    .footer-col ul li {
        margin-bottom: .45rem;
        font-size: .8625rem;
    }
    .footer-col ul li a {
        color: rgba(255, 255, 255, .6);
        transition: color .3s;
    }
    .footer-col ul li a:hover {
        color: var(--accent);
    }
    .footer-contact li {
        color: rgba(255, 255, 255, .55);
        font-size: .85rem;
        line-height: 1.8;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding: 1.2rem 0;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: .5rem;
    }
    .footer-bottom span {
        font-size: .8rem;
        color: rgba(255, 255, 255, .45);
    }
    .footer-bottom-links a {
        font-size: .8rem;
        color: rgba(255, 255, 255, .5);
        margin-left: 1rem;
        transition: color .3s;
    }
    .footer-bottom-links a:hover {
        color: var(--accent);
    }
    @media (max-width: 640px) {
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .footer-bottom-links a {
            margin: 0 .5rem;
        }
    }
    .hot-badge {
        position: absolute;
        top: .75rem;
        left: .75rem;
        background: var(--accent);
        color: var(--dark);
        font-size: .75rem;
        font-weight: 700;
        padding: .25rem .75rem;
        border-radius: 999px;
        z-index: 2;
        box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
    }
    @media (max-width: 520px) {
        .srv-hero h1 {
            font-size: 1.9rem;
        }
        .srv-hero-desc {
            font-size: .9375rem;
        }
        .section-head {
            flex-direction: column;
            align-items: flex-start;
            gap: .8rem;
        }
        .cards-grid {
            grid-template-columns: 1fr;
        }
        .faq-list {
            padding: 0 1rem;
        }
        .cta-box {
            padding: 2.2rem 1.2rem;
        }
        .cta-box h2 {
            font-size: 1.4rem;
        }
    }
    @media (max-width: 380px) {
        .top-bar-inner {
            justify-content: center;
            gap: 0;
        }
        .top-bar-links {
            display: flex;
        }
    }

/* roulang page: category3 */
:root {
            --color-primary: #1F3D2B;
            --color-accent: #C2A878;
            --color-ink: #1A1A1A;
            --color-body: #F7F5F2;
            --color-surface: #FFFFFF;
            --color-dark: #14231A;
            --color-muted: #7A7A72;
            --color-border: #E6E2DA;
            --radius-lg: 1rem;
            --radius-full: 9999px;
            --shadow-sm: 0 2px 8px rgba(20, 35, 26, .05);
            --shadow-lg: 0 24px 40px -12px rgba(20, 35, 26, .16);
            --transition: all .3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--color-body);
            color: var(--color-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2rem;
            }
        }

        /* ---------- topbar ---------- */
        .topbar {
            background: var(--color-dark);
            color: rgba(255, 255, 255, .82);
            font-size: .8125rem;
            height: 36px;
            display: flex;
            align-items: center;
        }

        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .topbar-right {
            display: flex;
            align-items: center;
            gap: .75rem;
        }

        .topbar-right a {
            color: rgba(255, 255, 255, .82);
            transition: var(--transition);
        }

        .topbar-right a:hover {
            color: var(--color-accent);
        }

        .topbar-divider {
            width: 1px;
            height: 12px;
            background: rgba(255, 255, 255, .3);
        }

        @media (max-width: 640px) {
            .topbar-left {
                display: none;
            }

            .topbar-inner {
                justify-content: center;
            }

            .topbar-right {
                gap: 1rem;
            }
        }

        /* ---------- header / nav ---------- */
        .site-header {
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(6px);
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 30px rgba(20, 35, 26, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1.5rem;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: .25rem;
            font-weight: 800;
            font-size: 1.375rem;
            letter-spacing: -.01em;
            white-space: nowrap;
        }

        .brand-tag {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: .6875rem;
            font-weight: 700;
            line-height: 1;
            padding: .3em .55em;
            border-radius: var(--radius-full);
            margin-left: .2em;
            letter-spacing: .04em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-item {
            position: relative;
            font-size: .9375rem;
            font-weight: 500;
            color: #444;
            padding: .5rem 0 .25rem;
            transition: var(--transition);
            letter-spacing: .02em;
        }

        .nav-item::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width .3s ease;
        }

        .nav-item:hover {
            color: var(--color-primary);
        }

        .nav-item:hover::after {
            width: 100%;
        }

        .nav-item.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .nav-item.active::after {
            width: 24px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: .9375rem;
            line-height: 1;
            padding: .75rem 1.5rem;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: #173A26;
            border-color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-primary:active {
            transform: translateY(0) scale(.98);
        }

        .btn-gold {
            background: var(--color-accent);
            color: var(--color-dark);
        }

        .btn-gold:hover {
            background: #d4b888;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, .65);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            border-color: var(--color-border);
            color: var(--color-ink);
        }

        .btn-outline-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        /* mobile menu button */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: .5rem;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 108px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 1rem 1.5rem 1.5rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-8px);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                z-index: 45;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-item {
                width: 100%;
                padding: .875rem 0;
                border-bottom: 1px solid var(--color-border);
            }

            .nav-item::after {
                display: none;
            }

            .nav-item:last-child {
                border-bottom: none;
            }

            .menu-toggle {
                display: flex;
            }

            .header-actions .btn {
                display: none;
            }
        }

        /* ---------- hero ---------- */
        .page-hero {
            background: linear-gradient(135deg, #FBF9F5 0%, #F3EFE8 100%);
            padding: 4.5rem 0 5rem;
            overflow: hidden;
            position: relative;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .08;
        }

        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            border: 1px solid var(--color-accent);
            color: #8A6D3B;
            background: rgba(255, 255, 255, .7);
            font-size: .8125rem;
            font-weight: 600;
            padding: .35rem .9rem;
            border-radius: var(--radius-full);
            margin-bottom: 1.25rem;
            letter-spacing: .02em;
        }

        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .hero-grid h1 {
            font-size: clamp(2.25rem, 4vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -.02em;
            margin-bottom: 1.25rem;
            color: var(--color-ink);
        }

        .hero-grid .lead {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: #5f5f58;
            margin-bottom: 2rem;
            max-width: 32rem;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            border-radius: 1.25rem;
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            width: 100%;
            aspect-ratio: 4/3;
        }

        .hero-float-card {
            position: absolute;
            bottom: -1.25rem;
            left: -1.25rem;
            background: #fff;
            border-radius: .875rem;
            box-shadow: var(--shadow-lg);
            padding: .875rem 1.125rem;
            display: flex;
            align-items: center;
            gap: .625rem;
        }

        .hero-float-card .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .hero-float-card .text {
            font-size: .8125rem;
            font-weight: 600;
            color: var(--color-ink);
        }

        .hero-float-card .sub {
            font-size: .75rem;
            color: var(--color-muted);
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .hero-visual {
                max-width: 480px;
            }

            .page-hero {
                padding: 3rem 0 4rem;
            }
        }

        /* ---------- section common ---------- */
        .section-block {
            padding: 4.5rem 0;
        }

        @media (min-width: 768px) {
            .section-block {
                padding: 6rem 0;
            }
        }

        .section-head {
            margin-bottom: 3rem;
            max-width: 46rem;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: .8125rem;
            font-weight: 700;
            color: #8A6D3B;
            letter-spacing: .08em;
            text-transform: uppercase;
            margin-bottom: .875rem;
        }

        .section-kicker::before {
            content: "";
            display: block;
            width: 40px;
            height: 2px;
            background: var(--color-accent);
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.01em;
            margin-bottom: 1rem;
            color: var(--color-ink);
        }

        .section-sub {
            color: var(--color-muted);
            font-size: 1rem;
            line-height: 1.8;
        }

        .bg-white-section {
            background: var(--color-surface);
        }

        /* ---------- direction cards ---------- */
        .direction-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .direction-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .direction-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .direction-card .card-img {
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .direction-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .direction-card:hover .card-img img {
            transform: scale(1.03);
        }

        .direction-card .card-body {
            padding: 1.5rem 1.5rem 1.75rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .direction-card .card-tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            background: #F3EDE2;
            color: #8A6D3B;
            padding: .3rem .75rem;
            border-radius: var(--radius-full);
            margin-bottom: .875rem;
            align-self: flex-start;
        }

        .direction-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: .625rem;
            color: var(--color-ink);
        }

        .direction-card p {
            font-size: .9375rem;
            line-height: 1.75;
            color: var(--color-muted);
            flex: 1;
        }

        .card-link {
            margin-top: 1.125rem;
            display: inline-flex;
            align-items: center;
            gap: .375rem;
            font-size: .875rem;
            font-weight: 600;
            color: var(--color-primary);
            transition: var(--transition);
        }

        .card-link .arrow {
            transition: transform .3s ease;
        }

        .card-link:hover {
            color: var(--color-accent);
        }

        .card-link:hover .arrow {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .direction-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- stats ---------- */
        .stats-section {
            background: var(--color-dark);
            color: #fff;
            padding: 4rem 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item .num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .stat-item .label {
            font-size: .875rem;
            color: rgba(255, 255, 255, .7);
            margin-top: .375rem;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        /* ---------- features ---------- */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .feature-box {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 1.75rem 1.5rem;
            transition: var(--transition);
        }

        .feature-box:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: .75rem;
            background: #F3EDE2;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }

        .feature-icon svg {
            width: 22px;
            height: 22px;
            stroke: #8A6D3B;
            fill: none;
            stroke-width: 1.5;
        }

        .feature-box h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: .5rem;
        }

        .feature-box p {
            font-size: .875rem;
            color: var(--color-muted);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- scene section ---------- */
        .scene-section {
            background: var(--color-surface);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .scene-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 5/4;
        }

        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .scene-item {
            display: flex;
            gap: 1rem;
        }

        .scene-num {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            border-radius: 50%;
            background: #F3EDE2;
            color: #8A6D3B;
            font-weight: 700;
            font-size: .9375rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scene-item h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: .3125rem;
        }

        .scene-item p {
            font-size: .90625rem;
            color: var(--color-muted);
            line-height: 1.75;
        }

        @media (max-width: 768px) {
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 48rem;
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: .9375rem;
            font-weight: 600;
            color: var(--color-ink);
            transition: var(--transition);
        }

        .faq-q:hover {
            background: #FAF8F4;
        }

        .faq-q:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }

        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--color-accent);
            border-radius: 2px;
            transition: var(--transition);
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
        }

        .faq-item.open .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-a {
            max-height: 240px;
            padding-bottom: 1.25rem;
        }

        .faq-a-inner {
            font-size: .875rem;
            color: var(--color-muted);
            line-height: 1.8;
            padding-top: .25rem;
        }

        .faq-more {
            margin-top: 2rem;
            text-align: center;
            font-size: .9375rem;
            color: var(--color-muted);
        }

        .faq-more a {
            color: var(--color-primary);
            font-weight: 600;
            transition: var(--transition);
        }

        .faq-more a:hover {
            color: var(--color-accent);
        }

        /* ---------- CTA ---------- */
        .cta-wrap {
            padding: 4.5rem 0 5rem;
        }

        .cta-banner {
            background: var(--color-dark);
            border-radius: 1.5rem;
            padding: 4rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(194, 168, 120, .28) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -50%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(194, 168, 120, .18) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner h2 {
            position: relative;
            z-index: 2;
            font-size: clamp(1.75rem, 3vw, 2.375rem);
            font-weight: 800;
            margin-bottom: .75rem;
        }

        .cta-banner p {
            position: relative;
            z-index: 2;
            color: rgba(255, 255, 255, .75);
            max-width: 34rem;
            margin: 0 auto 2rem;
            font-size: 1rem;
            line-height: 1.8;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ---------- footer ---------- */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, .65);
            border-top: 1px solid var(--color-accent);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: .25rem;
            font-weight: 800;
            font-size: 1.375rem;
            color: #fff;
            margin-bottom: .875rem;
        }

        .footer-brand .brand-tag {
            background: var(--color-accent);
            color: var(--color-dark);
        }

        .footer-desc {
            font-size: .875rem;
            line-height: 1.8;
            max-width: 20rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: .9375rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: .625rem;
            font-size: .875rem;
        }

        .footer-col a {
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-contact li {
            margin-bottom: .5rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 1.25rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .75rem;
            font-size: .8125rem;
        }

        .footer-bottom-links {
            display: flex;
            gap: 1.25rem;
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- reveal animation ---------- */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .6s ease, transform .6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
