/* roulang page: index */
:root {
        --primary: #0E4D45;
        --primary-dark: #0A3D36;
        --primary-darker: #082E28;
        --accent: #D4A853;
        --accent-dark: #B8923F;
        --bg-body: #F7F5F0;
        --bg-alt: #EEF3F0;
        --bg-dark: #102A26;
        --text-main: #1F2937;
        --text-secondary: #4B5563;
        --text-muted: #6B7280;
        --border-light: #E2E8E4;
        --border-input: #D1D9D4;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --shadow-default: 0 8px 24px rgba(16,42,38,.06);
        --shadow-hover: 0 16px 40px rgba(16,42,38,.12);
        --transition: all .25s ease;
        --font-cn: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
        --font-en: 'Inter',Arial,sans-serif;
        --success: #2F8F6B;
        --warning: #C2703D;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 88px;
    }
    body {
        font-family: var(--font-cn);
        background: var(--bg-body);
        color: var(--text-main);
        line-height: 1.8;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--primary-dark);
        text-decoration: underline;
    }
    img {
        max-width: 100%;
        height: auto;
        object-fit: cover;
    }
    .container {
        max-width: 1280px;
        padding-left: 24px;
        padding-right: 24px;
    }
    .section-padding {
        padding: 96px 0;
    }
    .section-header {
        text-align: center;
        margin-bottom: 56px;
    }
    .section-header .section-label {
        display: inline-block;
        background: var(--bg-alt);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 2px;
        padding: 6px 16px;
        border-radius: 20px;
        margin-bottom: 12px;
        text-transform: uppercase;
    }
    .section-header h2 {
        font-size: 32px;
        font-weight: 700;
        color: var(--text-main);
        line-height: 1.35;
        margin-bottom: 12px;
    }
    .section-header p {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 640px;
        margin: 0 auto;
    }
    /* ========== 导航 ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255,255,255,.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-light);
        transition: box-shadow .3s ease;
    }
    .site-header.scrolled {
        box-shadow: 0 4px 20px rgba(16,42,38,.08);
    }
    .site-header .navbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 76px;
        position: relative;
    }
    .logo-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 24px;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
        text-decoration: none;
    }
    .logo-brand:hover {
        text-decoration: none;
        color: var(--primary);
    }
    .logo-brand .logo-icon {
        width: 40px;
        height: 40px;
        background: var(--primary);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-weight: 800;
        font-size: 18px;
        flex-shrink: 0;
    }
    .logo-brand .logo-text {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: 1px;
    }
    .logo-brand .logo-sub {
        font-size: 11px;
        font-weight: 400;
        color: var(--text-muted);
        letter-spacing: 2px;
        display: block;
        margin-top: 2px;
    }
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 32px;
        margin-left: auto;
    }
    .desktop-nav .nav-link-custom {
        font-size: 15px;
        font-weight: 500;
        color: var(--text-main);
        padding: 8px 2px;
        position: relative;
        transition: var(--transition);
        text-decoration: none;
    }
    .desktop-nav .nav-link-custom::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent);
        transition: var(--transition);
    }
    .desktop-nav .nav-link-custom:hover {
        color: var(--primary);
        text-decoration: none;
    }
    .desktop-nav .nav-link-custom:hover::after,
    .desktop-nav .nav-link-custom.active::after {
        width: 100%;
    }
    .desktop-nav .nav-link-custom.active {
        color: var(--primary);
        font-weight: 600;
    }
    .btn-cta-nav {
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-sm);
        padding: 10px 22px;
        font-size: 14px;
        font-weight: 600;
        transition: var(--transition);
        margin-left: 8px;
        text-decoration: none;
        display: inline-block;
    }
    .btn-cta-nav:hover {
        background: var(--primary-dark);
        color: #fff;
        text-decoration: none;
        transform: translateY(-2px);
    }
    /* ========== 移动端底部Tab ========== */
    .mobile-tabbar {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: #fff;
        border-top: 1px solid var(--border-light);
        padding-bottom: env(safe-area-inset-bottom);
        box-shadow: 0 -4px 16px rgba(16,42,38,.06);
    }
    .mobile-tabbar .tabbar-inner {
        display: flex;
        height: 64px;
        max-width: 480px;
        margin: 0 auto;
    }
    .mobile-tabbar .tab-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        font-size: 11px;
        font-weight: 500;
        color: var(--text-muted);
        text-decoration: none;
        transition: var(--transition);
        border-radius: 12px;
        margin: 4px;
    }
    .mobile-tabbar .tab-item svg {
        width: 22px;
        height: 22px;
        stroke: currentColor;
        fill: none;
        stroke-width: 2;
        stroke-linecap: round;
        stroke-linejoin: round;
    }
    .mobile-tabbar .tab-item.active {
        background: var(--bg-alt);
        color: var(--primary);
        font-weight: 600;
    }
    .mobile-tabbar .tab-item:hover,
    .mobile-tabbar .tab-item:focus {
        text-decoration: none;
        color: var(--primary);
    }
    /* ========== Hero ========== */
    .hero-section {
        position: relative;
        padding: 80px 0 96px;
        background: linear-gradient(85deg, rgba(247,245,240,.92), rgba(247,245,240,.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        overflow: hidden;
    }
    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -60px;
        right: -40px;
        width: 300px;
        height: 300px;
        background: url('/assets/images/backpic/back-2.png') center/contain no-repeat;
        opacity: .05;
        pointer-events: none;
    }
    .hero-content {
        position: relative;
        z-index: 2;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--bg-alt);
        border: 1px solid rgba(14,77,69,.15);
        border-radius: 30px;
        padding: 6px 18px;
        font-size: 13px;
        font-weight: 500;
        color: var(--primary);
        margin-bottom: 24px;
        letter-spacing: 1px;
    }
    .hero-badge::before {
        content: '';
        width: 8px;
        height: 8px;
        background: var(--accent);
        border-radius: 50%;
        display: inline-block;
    }
    .hero-title {
        font-size: 40px;
        font-weight: 800;
        line-height: 1.35;
        color: var(--text-main);
        margin-bottom: 20px;
    }
    .hero-title .accent {
        color: var(--primary);
        border-bottom: 3px solid var(--accent);
        padding-bottom: 2px;
    }
    .hero-subtitle {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.9;
        max-width: 460px;
        margin-bottom: 32px;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .btn-primary-custom {
        background: var(--primary);
        color: #fff;
        border: 2px solid var(--primary);
        border-radius: var(--radius-sm);
        padding: 14px 32px;
        font-size: 15px;
        font-weight: 600;
        transition: var(--transition);
        text-decoration: none;
        display: inline-block;
    }
    .btn-primary-custom:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        text-decoration: none;
        box-shadow: 0 8px 20px rgba(14,77,69,.2);
    }
    .btn-outline-custom {
        background: transparent;
        color: var(--primary);
        border: 2px solid var(--primary);
        border-radius: var(--radius-sm);
        padding: 14px 32px;
        font-size: 15px;
        font-weight: 600;
        transition: var(--transition);
        text-decoration: none;
        display: inline-block;
    }
    .btn-outline-custom:hover {
        background: var(--bg-alt);
        color: var(--primary);
        text-decoration: none;
        transform: translateY(-2px);
    }
    .hero-card {
        background: #fff;
        border-radius: var(--radius-lg);
        border: 2px solid var(--primary);
        box-shadow: var(--shadow-default);
        padding: 36px 32px;
        position: relative;
        overflow: hidden;
    }
    .hero-card::after {
        content: '';
        position: absolute;
        bottom: 16px;
        right: 16px;
        width: 120px;
        height: 120px;
        background: url('/assets/images/backpic/back-3.png') center/contain no-repeat;
        opacity: .06;
        pointer-events: none;
        border-radius: 50%;
    }
    .hero-card .metric-item {
        text-align: center;
        padding: 20px 0;
        position: relative;
        z-index: 2;
    }
    .hero-card .metric-item+.metric-item {
        border-top: 1px solid var(--border-light);
    }
    .hero-card .metric-num {
        font-family: var(--font-en);
        font-size: 40px;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
        margin-bottom: 4px;
    }
    .hero-card .metric-label {
        font-size: 14px;
        color: var(--text-secondary);
        letter-spacing: 1px;
    }
    .hero-card .card-title-m {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        text-align: center;
        letter-spacing: 2px;
        margin-bottom: 8px;
        text-transform: uppercase;
    }
    /* ========== 指标带 ========== */
    .metrics-band {
        background: var(--bg-alt);
        padding: 48px 0;
        border-top: 1px solid var(--border-light);
        border-bottom: 1px solid var(--border-light);
    }
    .metrics-band .metric-box {
        text-align: center;
        padding: 16px 8px;
        gap: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .metrics-band .metric-icon {
        width: 48px;
        height: 48px;
        background: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 12px rgba(16,42,38,.08);
        margin-bottom: 4px;
    }
    .metrics-band .metric-icon svg {
        width: 22px;
        height: 22px;
        color: var(--primary);
        stroke: currentColor;
        fill: none;
        stroke-width: 1.8;
    }
    .metrics-band .metric-num {
        font-family: var(--font-en);
        font-size: 32px;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
    }
    .metrics-band .metric-label {
        font-size: 14px;
        color: var(--text-secondary);
        letter-spacing: 1px;
    }
    /* ========== 服务矩阵 ========== */
    .services-section {
        background: var(--bg-body);
        position: relative;
    }
    .services-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 24px;
    }
    .service-card-large {
        grid-column: span 3;
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-default);
        transition: var(--transition);
        border: 1px solid var(--border-light);
        display: flex;
        flex-direction: column;
    }
    .service-card-large:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
    }
    .service-card-large .card-img-wrap {
        height: 220px;
        overflow: hidden;
        position: relative;
        background: var(--bg-alt);
    }
    .service-card-large .card-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }
    .service-card-large:hover .card-img-wrap img {
        transform: scale(1.04);
    }
    .service-card-large .card-body-custom {
        padding: 32px 28px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .service-card-large .card-body-custom h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 10px;
    }
    .service-card-large .card-body-custom p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin-bottom: 16px;
        flex: 1;
    }
    .service-card-large .card-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        text-decoration: none;
        transition: var(--transition);
    }
    .service-card-large .card-link:hover {
        color: var(--accent-dark);
        text-decoration: none;
        gap: 8px;
    }
    .service-card-small {
        grid-column: span 2;
        background: #fff;
        border-radius: var(--radius-md);
        padding: 28px 24px;
        box-shadow: var(--shadow-default);
        border: 1px solid var(--border-light);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .service-card-small:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
    }
    .service-card-small .icon-block {
        width: 48px;
        height: 48px;
        background: var(--bg-alt);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 16px;
    }
    .service-card-small .icon-block svg {
        width: 22px;
        height: 22px;
        color: var(--primary);
        stroke: currentColor;
        fill: none;
        stroke-width: 1.8;
    }
    .service-card-small h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
    }
    .service-card-small p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 12px;
        flex: 1;
    }
    .service-card-small .card-link-s {
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }
    .service-card-small .card-link-s:hover {
        color: var(--accent-dark);
        text-decoration: none;
    }
    /* ========== 结果对比 ========== */
    .results-section {
        background: var(--bg-alt);
        padding: 96px 0;
    }
    .results-comparison {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        max-width: 1080px;
        margin: 0 auto;
    }
    .compare-col {
        border-radius: var(--radius-lg);
        padding: 40px 32px;
        position: relative;
        overflow: hidden;
    }
    .compare-col.traditional {
        background: #fff;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-default);
    }
    .compare-col.data-driven {
        background: var(--bg-dark);
        color: #E5EFEC;
        box-shadow: 0 12px 30px rgba(16,42,38,.22);
    }
    .compare-col h3 {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 24px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .compare-col.traditional h3 {
        color: var(--text-main);
    }
    .compare-col.data-driven h3 {
        color: var(--accent);
    }
    .compare-col .progress-item {
        margin-bottom: 20px;
    }
    .compare-col .progress-label {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 8px;
        display: flex;
        justify-content: space-between;
        font-weight: 500;
    }
    .compare-col.data-driven .progress-label {
        color: #A8C5BE;
    }
    .compare-col .progress-bar-custom {
        height: 8px;
        background: #E5EBE7;
        border-radius: 10px;
        overflow: hidden;
    }
    .compare-col.data-driven .progress-bar-custom {
        background: rgba(255,255,255,.12);
    }
    .compare-col .progress-fill {
        height: 100%;
        border-radius: 10px;
        background: var(--accent);
        transition: width .6s ease;
    }
    .compare-col.traditional .progress-fill {
        background: #C5CFC9;
    }
    .compare-col.data-driven .progress-fill {
        background: var(--accent);
    }
    .compare-col .result-list {
        list-style: none;
        padding: 0;
        margin: 28px 0 0;
    }
    .compare-col .result-list li {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 10px;
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .compare-col.traditional .result-list li {
        color: var(--text-secondary);
    }
    .compare-col.data-driven .result-list li {
        color: #C8DCD6;
    }
    .compare-col .result-list li::before {
        content: '';
        width: 6px;
        height: 6px;
        border-radius: 50%;
        flex-shrink: 0;
        margin-top: 10px;
    }
    .compare-col.traditional .result-list li::before {
        background: #ADBAB4;
    }
    .compare-col.data-driven .result-list li::before {
        background: var(--accent);
    }
    /* ========== FAQ ========== */
    .faq-section {
        background: var(--bg-body);
        padding: 96px 0;
    }
    .faq-wrap {
        max-width: 820px;
        margin: 0 auto;
    }
    .accordion-custom {
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        background: #fff;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-default);
        overflow: hidden;
        transition: var(--transition);
    }
    .accordion-custom .accordion-button-faq {
        width: 100%;
        background: var(--bg-alt);
        border: none;
        text-align: left;
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        transition: var(--transition);
    }
    .accordion-custom .accordion-button-faq:hover {
        background: #E8EFEB;
    }
    .accordion-custom .accordion-button-faq .icon-plus {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        border: 2px solid var(--primary);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 400;
        transition: var(--transition);
        flex-shrink: 0;
        margin-left: 12px;
    }
    .accordion-custom .accordion-body-custom {
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
        position: relative;
    }
    .accordion-custom.active {
        border-left: 3px solid var(--accent);
    }
    .accordion-custom.active .accordion-button-faq {
        background: #fff;
    }
    .accordion-custom.active .accordion-button-faq .icon-plus {
        transform: rotate(45deg);
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    .accordion-custom.active .accordion-body-custom {
        max-height: 600px;
    }
    .accordion-custom .accordion-body-custom .inner {
        padding: 4px 24px 24px;
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.9;
        border-top: 1px solid var(--border-light);
        padding-top: 20px;
        background: #fff;
    }
    /* ========== 转化表单 ========== */
    .contact-section {
        background: var(--bg-alt);
        padding: 96px 0;
    }
    .contact-card {
        background: var(--bg-body);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-default);
        border: 1px solid var(--border-light);
        padding: 48px 40px;
        display: grid;
        grid-template-columns: 5fr 7fr;
        gap: 48px;
        max-width: 1080px;
        margin: 0 auto;
    }
    .contact-info h3 {
        font-size: 24px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 16px;
    }
    .contact-info p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin-bottom: 16px;
    }
    .contact-info .info-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 12px;
        font-size: 14px;
        color: var(--text-secondary);
    }
    .contact-info .info-item svg {
        width: 18px;
        height: 18px;
        color: var(--primary);
        flex-shrink: 0;
        margin-top: 3px;
        stroke: currentColor;
        fill: none;
        stroke-width: 1.8;
    }
    .contact-form .form-group {
        margin-bottom: 16px;
    }
    .contact-form .form-label-cus {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-main);
        margin-bottom: 6px;
        display: block;
    }
    .contact-form .form-control-cus {
        width: 100%;
        height: 44px;
        border: 1px solid var(--border-input);
        border-radius: var(--radius-md);
        padding: 0 16px;
        font-size: 14px;
        background: #fff;
        color: var(--text-main);
        transition: var(--transition);
        font-family: var(--font-cn);
    }
    .contact-form select.form-control-cus {
        appearance: auto;
        line-height: 44px;
    }
    .contact-form .form-control-cus:focus {
        border-color: var(--primary);
        outline: none;
        box-shadow: 0 0 0 3px rgba(14,77,69,.12);
    }
    .contact-form .form-control-cus::placeholder {
        color: #9CA7A2;
    }
    .contact-form .btn-submit {
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-sm);
        padding: 14px 40px;
        font-size: 15px;
        font-weight: 600;
        min-width: 160px;
        transition: var(--transition);
        cursor: pointer;
        display: inline-block;
    }
    .contact-form .btn-submit:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(14,77,69,.2);
    }
    .submit-hint {
        font-size: 13px;
        color: var(--text-muted);
        margin-top: 12px;
    }
    /* ========== 最新信息 ========== */
    .news-section {
        background: var(--bg-body);
        padding: 96px 0;
    }
    .news-list {
        max-width: 980px;
        margin: 0 auto;
    }
    .news-card {
        display: grid;
        grid-template-columns: 240px 1fr;
        background: #fff;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-default);
        border: 1px solid var(--border-light);
        overflow: hidden;
        margin-bottom: 20px;
        transition: var(--transition);
    }
    .news-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .news-card .news-cover {
        height: 160px;
        overflow: hidden;
        position: relative;
        background: var(--bg-alt);
    }
    .news-card .news-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .news-card .news-body {
        padding: 20px 24px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .news-card .badge-category {
        display: inline-block;
        background: var(--bg-alt);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        padding: 3px 12px;
        border-radius: 4px;
        margin-bottom: 8px;
        align-self: flex-start;
    }
    .news-card .news-body h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        line-height: 1.5;
    }
    .news-card .news-body h3 a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }
    .news-card .news-body h3 a:hover {
        color: var(--primary);
    }
    .news-card .news-body p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-card .news-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--text-muted);
    }
    .news-card .news-meta a {
        font-weight: 600;
        color: var(--primary);
        text-decoration: none;
        font-size: 14px;
    }
    .news-card .news-meta a:hover {
        color: var(--accent-dark);
        text-decoration: underline;
    }
    .empty-state {
        border: 2px dashed var(--border-light);
        border-radius: var(--radius-md);
        padding: 60px 20px;
        text-align: center;
        color: var(--text-muted);
        font-size: 15px;
        background: #FAFAF8;
        width: 100%;
    }
    /* ========== 页脚 ========== */
    .site-footer {
        background: var(--bg-dark);
        color: #B5C9C2;
        padding-top: 64px;
        font-size: 14px;
        line-height: 1.8;
    }
    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 48px;
    }
    .site-footer h4 {
        font-size: 16px;
        font-weight: 700;
        color: #E5EFEC;
        margin-bottom: 16px;
        font-family: var(--font-cn);
    }
    .site-footer .footer-logo-text {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 8px;
        display: block;
        letter-spacing: 1px;
    }
    .site-footer .footer-logo-text span {
        color: var(--accent);
    }
    .site-footer .footer-desc {
        font-size: 13px;
        line-height: 1.9;
        margin-bottom: 20px;
        max-width: 280px;
    }
    .site-footer ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .site-footer ul li {
        margin-bottom: 8px;
    }
    .site-footer ul li a {
        color: #B5C9C2;
        text-decoration: none;
        font-size: 14px;
        transition: var(--transition);
        padding: 2px 0;
        display: inline-block;
    }
    .site-footer ul li a:hover {
        color: var(--accent);
        text-decoration: none;
        padding-left: 4px;
    }
    .site-footer .contact-info-list li {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 10px;
        font-size: 13px;
    }
    .site-footer .contact-info-list svg {
        width: 16px;
        height: 16px;
        stroke: var(--accent);
        fill: none;
        stroke-width: 1.8;
        flex-shrink: 0;
        margin-top: 4px;
    }
    .copyright-bar {
        border-top: 1px solid rgba(255,255,255,.08);
        padding: 20px 0;
        font-size: 13px;
        color: #8CA69E;
        background: #0C211D;
    }
    .copyright-bar .container {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
    }
    .copyright-bar a {
        color: #8CA69E;
    }
    .copyright-bar a:hover {
        color: var(--accent);
    }
    /* ========== 响应式 ========== */
    @media (max-width: 991.98px) {
        .section-padding {
            padding: 64px 0;
        }
        .hero-title {
            font-size: 32px;
        }
        .services-grid {
            gap: 16px;
        }
        .service-card-large {
            grid-column: span 6;
        }
        .service-card-small {
            grid-column: span 3;
            padding: 20px;
        }
        .results-comparison {
            grid-template-columns: 1fr;
        }
        .contact-card {
            grid-template-columns: 1fr;
            padding: 32px 24px;
        }
        .news-card {
            grid-template-columns: 200px 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .desktop-nav {
            display: none;
        }
        .site-header .navbar-inner {
            min-height: 64px;
        }
        .mobile-tabbar {
            display: block;
        }
        .btn-cta-nav {
            display: none;
        }
        .site-header {
            padding-right: 0;
        }
        .hero-section {
            padding: 56px 0 72px;
        }
        .metrics-band {
            padding: 32px 0;
        }
        .metrics-band .metric-box {
            margin-bottom: 16px;
        }
    }
    @media (max-width: 767.98px) {
        .section-padding {
            padding: 48px 0;
        }
        .section-header h2 {
            font-size: 26px;
        }
        .hero-title {
            font-size: 28px;
            line-height: 1.4;
        }
        .hero-subtitle {
            font-size: 15px;
        }
        .hero-card {
            margin-top: 32px;
            padding: 24px;
        }
        .services-grid {
            grid-template-columns: 1fr;
        }
        .service-card-large {
            grid-column: span 1;
        }
        .service-card-large .card-img-wrap {
            height: 180px;
        }
        .service-card-small {
            grid-column: span 1;
        }
        .news-card {
            grid-template-columns: 1fr;
        }
        .news-card .news-cover {
            height: 180px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .contact-card {
            padding: 24px 20px;
        }
        .btn-primary-custom,
        .btn-outline-custom {
            width: 100%;
            text-align: center;
            padding: 13px 20px;
        }
        .hero-actions {
            flex-direction: column;
            gap: 12px;
        }
        .results-section,
        .faq-section,
        .contact-section,
        .news-section {
            padding: 48px 0;
        }
        .compare-col {
            padding: 28px 20px;
        }
        .metrics-band .metric-box {
            padding: 8px;
        }
        .metrics-band .metric-num {
            font-size: 26px;
        }
    }
    @media (max-width: 575.98px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .logo-brand .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 15px;
        }
        .logo-brand .logo-text {
            font-size: 17px;
        }
        .hero-title {
            font-size: 24px;
        }
        .hero-subtitle {
            font-size: 14px;
        }
    }
    @media (min-width: 992px) {
        .mobile-tabbar {
            display: none;
        }
        .desktop-nav {
            display: flex;
        }
    }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0E4D45;
            --primary-dark: #0A3B35;
            --primary-light: #167366;
            --accent: #D4A853;
            --accent-dark: #C09640;
            --bg: #F7F5F0;
            --bg-alt: #EEF3F0;
            --deep: #102A26;
            --text: #1F2937;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --border: #E2E8E4;
            --success: #2F8F6B;
            --warning: #C2703D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 8px 24px rgba(16, 42, 38, .06);
            --shadow-lg: 0 16px 40px rgba(16, 42, 38, .12);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'Inter', Arial, sans-serif;
        }

        /* ===== Reset / 基础 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            padding-bottom: 64px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease;
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: rgba(226, 232, 228, .8);
        }

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

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-brand:hover {
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 1px;
            box-shadow: 0 4px 12px rgba(14, 77, 69, .2);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .5px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link-custom {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color .2s, background-color .2s;
            text-decoration: none;
        }

        .nav-link-custom:hover {
            color: var(--primary);
            background: var(--bg-alt);
            text-decoration: none;
        }

        .nav-link-custom.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(14, 77, 69, .08);
        }

        .btn-cta-nav {
            display: inline-block;
            padding: 10px 20px;
            margin-left: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            transition: background-color .2s, transform .2s, box-shadow .2s;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-cta-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 77, 69, .25);
            text-decoration: none;
        }

        /* ===== 移动端底部 Tab ===== */
        .mobile-tab-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
            justify-content: space-around;
            box-shadow: 0 -4px 20px rgba(16, 42, 38, .06);
        }

        .mobile-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 12px;
            border-radius: var(--radius-md);
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            transition: background-color .2s, color .2s;
        }

        .mobile-tab-item svg {
            width: 22px;
            height: 22px;
        }

        .mobile-tab-item:hover,
        .mobile-tab-item.active {
            background: rgba(14, 77, 69, .08);
            color: var(--primary);
            text-decoration: none;
        }

        .mobile-tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }

        .breadcrumb-item-custom {
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-item-custom a {
            color: var(--primary);
        }

        .breadcrumb-item-custom a:hover {
            text-decoration: underline;
        }

        .breadcrumb-item-custom+.breadcrumb-item-custom::before {
            content: "›";
            margin: 0 10px;
            color: var(--border);
        }

        .breadcrumb-item-custom.current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== 页内区块间距 ===== */
        .section-block {
            padding: 96px 0;
        }

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

        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .section-head {
            margin-bottom: 48px;
        }

        /* ===== 分类横幅 ===== */
        .category-banner {
            position: relative;
            height: 220px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background-image: url('/assets/images/coverpic/cover-1.webp');
            background-size: cover;
            background-position: center;
            margin-top: 32px;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(16, 42, 38, .88) 20%, rgba(14, 77, 69, .65) 60%, rgba(14, 77, 69, .35));
        }

        .category-banner-content {
            position: relative;
            z-index: 2;
            padding: 0 48px;
            color: #fff;
            max-width: 720px;
        }

        .category-banner-content h1 {
            color: #fff;
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }

        .category-banner-content p {
            color: rgba(255, 255, 255, .92);
            font-size: 15px;
            line-height: 1.7;
            margin: 0;
        }

        .category-banner-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--deep);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        /* ===== 分类简介卡 ===== */
        .intro-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow .3s ease;
            margin-top: 32px;
        }

        .intro-card:hover {
            box-shadow: var(--shadow-lg);
        }

        .intro-card .row.g-0 {
            align-items: stretch;
        }

        .intro-media {
            min-height: 320px;
            position: relative;
            overflow: hidden;
        }

        .intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .intro-body {
            padding: 40px 36px;
        }

        .intro-body h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .intro-body p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .keyword-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .keyword-tag {
            display: inline-block;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            transition: background-color .2s, border-color .2s;
        }

        .keyword-tag:hover {
            background: rgba(14, 77, 69, .08);
            border-color: rgba(14, 77, 69, .3);
            text-decoration: none;
        }

        /* ===== 细分主题长条卡 ===== */
        .topic-cards {
            display: flex;
            flex-direction: column;
            gap: 24px;
            margin-top: 48px;
        }

        .topic-card {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow .3s ease, transform .3s ease;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .topic-thumb {
            width: 240px;
            min-height: 180px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform .3s ease;
        }

        .topic-card:hover .topic-thumb img {
            transform: scale(1.04);
        }

        .topic-body {
            flex: 1;
            padding: 28px 30px;
        }

        .topic-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            transition: color .2s;
        }

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

        .topic-body p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(14, 77, 69, .06);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: background-color .2s, color .2s;
            text-decoration: none;
        }

        .topic-link:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .topic-link svg {
            width: 16px;
            height: 16px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            margin-top: 48px;
            max-width: 900px;
        }

        .faq-accordion .accordion-item {
            border: none;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            background: var(--bg-alt);
            overflow: hidden;
            box-shadow: none;
            transition: background-color .3s ease;
        }

        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            background: var(--bg);
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            padding: 20px 24px;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
            border-left: 3px solid transparent;
            transition: background-color .3s ease, border-left-color .3s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--text);
            background: transparent;
            border-left-color: var(--accent);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(14, 77, 69, .15);
        }

        .faq-accordion .accordion-button::after {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--primary);
            font-size: 18px;
            font-weight: 400;
            line-height: 1;
            background-image: none;
            transition: transform .2s ease, background-color .2s ease;
            content: "+";
            font-family: var(--font-body);
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            background-image: none;
            transform: rotate(45deg);
            background: rgba(14, 77, 69, .1);
            color: var(--primary);
            content: "+";
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 24px 24px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            border-left: 3px solid var(--accent);
        }

        /* ===== CTA 表单 ===== */
        .cta-section {
            background: var(--deep);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .12;
        }

        .cta-section-content {
            position: relative;
            z-index: 2;
            padding: 48px;
            display: flex;
            gap: 48px;
            align-items: flex-start;
        }

        .cta-left {
            flex: 1;
            color: #fff;
        }

        .cta-left h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-left p {
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .cta-left .cta-points {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }

        .cta-left .cta-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 12px;
        }

        .cta-left .cta-points li svg {
            width: 18px;
            height: 18px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .cta-form-wrap {
            flex: 1;
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
        }

        .cta-form-wrap .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cta-form-wrap .form-control,
        .cta-form-wrap .form-select {
            height: 44px;
            border: 1px solid #D1D9D4;
            border-radius: var(--radius-md);
            font-size: 15px;
            color: var(--text);
            background: #fff;
            padding-left: 14px;
            box-shadow: none;
            transition: border-color .2s, box-shadow .2s;
        }

        .cta-form-wrap .form-control:focus,
        .cta-form-wrap .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 77, 69, .12);
        }

        .cta-form-wrap textarea.form-control {
            height: auto;
            min-height: 88px;
            padding-top: 12px;
            resize: vertical;
        }

        .btn-accent-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 32px;
            min-width: 160px;
            border: none;
            border-radius: var(--radius-sm);
            transition: background-color .2s, transform .2s, box-shadow .2s;
            text-decoration: none;
            cursor: pointer;
        }

        .btn-accent-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 77, 69, .3);
            text-decoration: none;
        }

        .form-status-tip {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 12px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .75);
            padding-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, .6);
            margin-top: 16px;
            max-width: 340px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

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

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-col ul a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: color .2s, padding-left .2s;
            text-decoration: none;
        }

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

        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.6;
        }

        .contact-info-list li svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            fill: none;
            stroke: var(--accent);
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
            margin-top: 2px;
        }

        .copyright-bar {
            background: rgba(0, 0, 0, .25);
            padding: 18px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        .copyright-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .copyright-bar a {
            color: rgba(255, 255, 255, .45);
            text-decoration: none;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none;
            }

            .mobile-tab-bar {
                display: flex;
            }

            .navbar-inner {
                height: 64px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .cta-section-content {
                flex-direction: column;
                padding: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 48px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .category-banner {
                height: 200px;
            }

            .category-banner-content {
                padding: 0 24px;
            }

            .category-banner-content h1 {
                font-size: 28px;
            }

            .intro-body {
                padding: 28px 24px;
            }

            .intro-media {
                min-height: 220px;
            }

            .topic-card {
                flex-direction: column;
                align-items: stretch;
            }

            .topic-thumb {
                width: 100%;
                min-height: 180px;
            }

            .topic-body {
                padding: 24px;
            }

            .cta-section-content {
                padding: 24px;
            }

            .cta-form-wrap {
                padding: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-top: 48px;
            }

            .copyright-bar .container {
                flex-direction: column;
                text-align: center;
            }

            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .breadcrumb-wrap {
                padding-top: 14px;
            }

            .category-banner {
                height: 190px;
                margin-top: 20px;
            }

            .category-banner-content h1 {
                font-size: 24px;
            }

            .category-banner-content p {
                font-size: 14px;
            }

            .intro-body h3 {
                font-size: 21px;
            }

            .topic-body h3 {
                font-size: 18px;
            }

            .section-head {
                margin-bottom: 32px;
            }
        }

        @media (min-width: 992px) {
            .desktop-nav {
                display: flex;
            }

            .mobile-tab-bar {
                display: none;
            }

            body {
                padding-bottom: 0;
            }
        }

/* roulang page: article */
:root {
            --primary: #0E4D45;
            --primary-dark: #0A3A34;
            --primary-light: #137a6b;
            --accent: #D4A853;
            --accent-dark: #B8913E;
            --bg: #F7F5F0;
            --bg-alt: #EEF3F0;
            --bg-deep: #102A26;
            --text-main: #1F2937;
            --text-sub: #4B5563;
            --text-helper: #6B7280;
            --border: #E2E8E4;
            --success: #2F8F6B;
            --warning: #C2703D;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 8px 24px rgba(16, 42, 38, .06);
            --shadow-lg: 0 16px 40px rgba(16, 42, 38, .12);
            --space-section: 96px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'Inter', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 12px 28px;
            transition: all .3s ease;
            border: 1px solid transparent;
        }

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

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

        .btn-outline-light {
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

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

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.35;
        }

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

        .text-gold {
            color: var(--accent);
        }

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

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

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .logo-brand:hover {
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(14, 77, 69, .25);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .5px;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link-custom {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            text-decoration: none;
            padding: 8px 4px;
            position: relative;
            transition: color .25s ease;
        }

        .nav-link-custom::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .3s ease;
        }

        .nav-link-custom:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .nav-link-custom:hover::after {
            transform: scaleX(1);
        }

        .nav-link-custom.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link-custom.active::after {
            transform: scaleX(1);
        }

        .btn-cta-nav {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: background .3s ease, transform .3s ease, box-shadow .3s ease;
        }

        .btn-cta-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ========== Mobile Tabbar ========== */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #fff;
            border-top: 1px solid var(--border);
            padding-bottom: env(safe-area-inset-bottom);
            display: none;
            box-shadow: 0 -4px 20px rgba(16, 42, 38, .05);
        }

        .tabbar-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            height: 64px;
        }

        .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: var(--text-helper);
            font-size: 12px;
            text-decoration: none;
            transition: color .2s ease;
        }

        .tab-item:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .tab-item .tab-icon {
            font-size: 20px;
            line-height: 1;
        }

        .tab-item.active .tab-icon {
            background: rgba(14, 77, 69, .1);
            border-radius: 50%;
            padding: 4px;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ========== Article Main ========== */
        .article-main {
            padding: 130px 0 96px;
            position: relative;
            background: var(--bg);
        }

        .article-main::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .04;
            pointer-events: none;
        }

        .article-main .container {
            position: relative;
            z-index: 1;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px;
            border: 1px solid rgba(226, 232, 228, .6);
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-helper);
            margin-bottom: 32px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb-nav a {
            color: var(--text-sub);
            text-decoration: none;
            transition: color .2s ease;
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb-nav .sep {
            color: #c0c8c4;
            font-size: 16px;
            line-height: 1;
        }

        .breadcrumb-nav .current {
            color: var(--text-main);
            font-weight: 500;
            max-width: 280px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: .3px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--text-helper);
            padding-bottom: 28px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-icon {
            width: 16px;
            height: 16px;
            color: var(--accent);
        }

        .meta-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #c0c8c4;
        }

        .article-content {
            font-size: 16px;
            line-height: 2;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin: 44px 0 20px;
            line-height: 1.4;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-main);
            margin: 32px 0 16px;
            line-height: 1.5;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            width: 100%;
            height: auto;
            box-shadow: var(--shadow-sm);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 10px;
        }

        .article-content blockquote {
            background: var(--bg-alt);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 28px;
            margin: 28px 0;
            color: var(--text-sub);
            font-style: normal;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-content a:hover {
            color: var(--accent-dark);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .tags-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-sub);
            margin-right: 6px;
        }

        .tag-link {
            display: inline-block;
            background: var(--bg-alt);
            color: var(--text-sub);
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 30px;
            text-decoration: none;
            transition: background .25s ease, color .25s ease;
        }

        .tag-link:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .not-found-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 80px 48px;
            text-align: center;
            border: 1px dashed var(--border);
        }

        .not-found-card h1 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .not-found-card p {
            color: var(--text-helper);
            margin-bottom: 32px;
        }

        .not-found-card .btn {
            min-width: 160px;
        }

        /* ========== Sidebar ========== */
        .sidebar-inner {
            position: sticky;
            top: 100px;
        }

        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            margin-bottom: 24px;
            border: 1px solid rgba(226, 232, 228, .6);
        }

        .sidebar-widget h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
            padding-bottom: 12px;
            position: relative;
        }

        .sidebar-widget h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tags a {
            display: inline-block;
            background: var(--bg-alt);
            color: var(--text-sub);
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 30px;
            text-decoration: none;
            transition: all .25s ease;
        }

        .sidebar-tags a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .sidebar-contact-card {
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            color: #fff;
            text-align: center;
        }

        .sidebar-contact-card h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .sidebar-contact-card p {
            font-size: 14px;
            line-height: 1.7;
            opacity: .9;
            margin-bottom: 24px;
        }

        .sidebar-contact-card .btn {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--bg-deep);
            width: 100%;
            font-weight: 700;
        }

        .sidebar-contact-card .btn:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--bg-deep);
        }

        .sidebar-phone {
            display: block;
            margin-top: 16px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-num);
            letter-spacing: 1px;
        }

        /* ========== Related Section ========== */
        .related-section {
            padding: var(--space-section) 0;
            background: var(--bg-alt);
        }

        .related-empty {
            text-align: center;
            color: var(--text-helper);
            font-size: 15px;
            background: var(--bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            margin: 0;
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(226, 232, 228, .6);
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .related-thumb {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

        .related-card:hover .related-thumb img {
            transform: scale(1.04);
        }

        .category-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--bg-deep);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 30px;
            letter-spacing: .5px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
        }

        .related-content {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color .25s ease;
        }

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

        .related-content p {
            font-size: 14px;
            color: var(--text-helper);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-link i {
            font-size: 12px;
            transition: transform .25s ease;
        }

        .related-card:hover .related-link i {
            transform: translateX(4px);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: .10;
            pointer-events: none;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-text h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .cta-text p {
            font-size: 16px;
            opacity: .85;
            margin: 0;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .85);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
            gap: 48px;
            padding: 72px 0 56px;
        }

        .footer-brand .footer-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 20px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            opacity: .75;
            max-width: 360px;
            margin-bottom: 24px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

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

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, .75);
            font-size: 14px;
            text-decoration: none;
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 6px;
            text-decoration: none;
        }

        .contact-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.6;
        }

        .contact-info-list svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            fill: none;
            stroke: var(--accent);
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
            margin-top: 3px;
        }

        .copyright-bar {
            background: rgba(0, 0, 0, .18);
            padding: 18px 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .copyright-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1200px) {
            .desktop-nav {
                gap: 20px;
            }
        }

        @media (max-width: 992px) {
            :root {
                --space-section: 72px;
            }

            .desktop-nav {
                display: none;
            }

            .mobile-tabbar {
                display: block;
            }

            body {
                padding-bottom: 64px;
            }

            .article-main {
                padding-top: 100px;
                padding-bottom: 64px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
                padding: 56px 0 40px;
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-actions {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 48px;
            }

            .article-card {
                padding: 28px 24px;
            }

            .article-title {
                font-size: 24px;
                line-height: 1.4;
            }

            .article-meta {
                gap: 12px;
                flex-wrap: wrap;
            }

            .breadcrumb-nav .current {
                max-width: 200px;
            }

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

            .related-thumb {
                height: 180px;
            }

            .cta-text h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 0 32px;
            }

            .copyright-bar .container {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 576px) {
            .article-main {
                padding-top: 88px;
                padding-bottom: 48px;
            }

            .article-card {
                padding: 24px 18px;
                border-radius: 16px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.9;
            }

            .article-content h2 {
                font-size: 21px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .article-meta {
                font-size: 13px;
                gap: 10px;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .related-content {
                padding: 20px 18px;
            }

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

            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }

            .tag-link {
                font-size: 12px;
                padding: 5px 12px;
            }
        }