/* roulang page: index */
:root {
            --primary: #167A43;
            --primary-dark: #0E5A31;
            --primary-light: #1E9A54;
            --deep-bg: #0C1C14;
            --deep-bg-light: #12241B;
            --accent: #F97316;
            --accent-dark: #EA580C;
            --success: #A3E635;
            --bg-warm: #F7F4EF;
            --card-white: #FFFFFF;
            --text-main: #1A1F1C;
            --text-sub: #5C6660;
            --text-light: #A6AEA8;
            --border: #E5E0D8;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-chip: 20px;
            --shadow-card: 0 2px 8px rgba(12, 28, 20, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 28, 20, 0.12);
            --transition: all 0.25s ease;
            --font-main: "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--card-white);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .row {
            max-width: 1200px;
        }
        .column,
        .columns {
            padding-left: 0.9rem;
            padding-right: 0.9rem;
        }
        .section-pad {
            padding-top: 80px;
            padding-bottom: 80px;
        }
        .text-center {
            text-align: center;
        }
        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.6;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            background: transparent;
            border: 1px solid var(--border);
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
        }
        .more-link:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateX(2px);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.2;
            text-align: center;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(249, 115, 22, 0.3);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(249, 115, 22, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(22, 122, 67, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .badge {
            display: inline-block;
            background: rgba(22, 122, 67, 0.1);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            line-height: 1.4;
        }
        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 24px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .brand-logo i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .brand-logo:hover {
            color: var(--primary-dark);
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
        }
        .chip {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-sub);
            background: transparent;
            border: 1px solid var(--border);
            transition: var(--transition);
            white-space: nowrap;
            text-align: center;
        }
        .chip:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(22, 122, 67, 0.05);
        }
        .chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        .chip.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .header-cta {
            padding: 10px 24px;
            font-size: 0.92rem;
            white-space: nowrap;
        }
        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-color: var(--deep-bg);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(12, 28, 20, 0.95) 0%, rgba(12, 28, 20, 0.78) 45%, rgba(12, 28, 20, 0.35) 100%);
        }
        .hero-inner {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
            padding: 100px 24px 110px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            min-height: 600px;
        }
        .hero-content {
            max-width: 680px;
            z-index: 1;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-sub {
            font-size: 1.1rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
            max-width: 560px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-float {
            z-index: 1;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 16px;
            padding: 24px 28px;
            backdrop-filter: blur(6px);
            min-width: 230px;
        }
        .hero-float .float-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .hero-float .float-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--success);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .hero-float .float-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        /* ===== Stats ===== */
        .stats-section {
            background: var(--deep-bg);
            padding: 0 0 60px;
            margin-top: -1px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--deep-bg-light);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 28px 24px;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(163, 230, 53, 0.3);
            transform: translateY(-3px);
        }
        .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
        }
        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--success);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-num.orange {
            color: var(--accent);
        }
        .stat-trend {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .stat-trend i {
            color: var(--success);
        }
        /* ===== Services ===== */
        .services-section {
            background: var(--bg-warm);
            padding: 80px 0;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--card-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-card:hover .service-img img {
            transform: scale(1.03);
        }
        .service-card.wide {
            grid-column: span 2;
        }
        .service-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e9e7e2;
            position: relative;
        }
        .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .service-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .service-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .service-body p {
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .service-link:hover {
            color: var(--accent);
            gap: 12px;
        }
        .service-card .badge {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        /* ===== Comparison ===== */
        .comparison-section {
            background: #fff;
            padding: 80px 0;
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 40px;
        }
        .compare-card {
            border-radius: 14px;
            padding: 36px 32px;
            background: var(--bg-warm);
            border: 1px solid var(--border);
        }
        .compare-card.new {
            background: rgba(22, 122, 67, 0.06);
            border-color: rgba(22, 122, 67, 0.2);
        }
        .compare-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-card.new h3 {
            color: var(--primary);
        }
        .compare-card li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            font-size: 0.95rem;
            color: var(--text-sub);
        }
        .compare-card li:last-child {
            border-bottom: none;
        }
        .compare-card li i {
            margin-top: 5px;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .compare-card.old li i {
            color: #B0B6B2;
        }
        .compare-card.new li i {
            color: var(--primary);
        }
        .compare-summary {
            text-align: center;
            margin-top: 28px;
            font-size: 1rem;
            color: var(--text-sub);
            background: var(--bg-warm);
            display: inline-block;
            padding: 10px 28px;
            border-radius: 30px;
            width: 100%;
            text-align: center;
            border: 1px dashed var(--border);
        }
        /* ===== News ===== */
        .news-section {
            background: var(--bg-warm);
            padding: 80px 0;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--card-white);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px;
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(22, 122, 67, 0.25);
        }
        .news-thumb {
            width: 180px;
            min-width: 180px;
            aspect-ratio: 4 / 3;
            border-radius: 10px;
            overflow: hidden;
            background: #e9e7e2;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .news-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-card:hover .news-body h3 {
            color: var(--primary);
        }
        .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.6;
            flex: 1;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--card-white);
            border: 1px dashed var(--border);
            border-radius: 14px;
            color: var(--text-light);
        }
        .news-empty i {
            font-size: 2.5rem;
            margin-bottom: 14px;
            color: var(--text-light);
        }
        .news-empty p {
            font-size: 1rem;
        }
        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            padding: 80px 0;
        }
        .custom-accordion {
            max-width: 860px;
            margin: 0 auto;
            list-style: none;
        }
        .custom-accordion .accordion-item {
            background: var(--card-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
            list-style: none;
        }
        .custom-accordion .accordion-item:hover {
            border-color: rgba(22, 122, 67, 0.3);
        }
        .custom-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }
        .custom-accordion .accordion-title:hover {
            color: var(--primary);
        }
        .custom-accordion .accordion-title::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 1rem;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .custom-accordion .accordion-item.is-active .accordion-title::after {
            content: "\f00d";
            transform: rotate(90deg);
        }
        .custom-accordion .accordion-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .custom-accordion .accordion-item.is-active .accordion-content {
            max-height: 400px;
            padding: 0 24px 20px;
            border-top: 1px solid rgba(0, 0, 0, 0.04);
        }
        .custom-accordion .accordion-content p {
            font-size: 0.95rem;
            color: var(--text-sub);
            line-height: 1.7;
            padding-top: 14px;
        }
        /* ===== Contact ===== */
        .contact-section {
            background: var(--deep-bg);
            position: relative;
            padding: 80px 0;
        }
        .contact-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }
        .contact-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .contact-info {
            color: rgba(255, 255, 255, 0.9);
        }
        .contact-info h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.1rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .contact-info p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 440px;
        }
        .contact-points {
            margin-top: 10px;
        }
        .contact-points li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .contact-points li i {
            color: var(--success);
            width: 22px;
            text-align: center;
        }
        .contact-form-card {
            background: #fff;
            border-radius: 16px;
            padding: 36px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        }
        .contact-form-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 22px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            padding: 0 14px;
            font-size: 0.95rem;
            color: var(--text-main);
            background: #fafaf8;
            transition: var(--transition);
        }
        .form-group textarea {
            height: 110px;
            padding: 12px 14px;
            resize: vertical;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(22, 122, 67, 0.15);
        }
        .form-group select {
            appearance: auto;
        }
        .form-submit {
            width: 100%;
            height: 48px;
            background: var(--accent);
            border: none;
            border-radius: var(--radius-btn);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 4px;
        }
        .form-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
        }
        .form-submit:active {
            transform: translateY(0);
        }
        .form-error {
            font-size: 0.82rem;
            color: #D32F2F;
            margin-top: 4px;
            display: none;
        }
        .form-group.has-error input,
        .form-group.has-error select,
        .form-group.has-error textarea {
            border-color: #D32F2F;
        }
        .form-group.has-error .form-error {
            display: block;
        }
        .form-success {
            text-align: center;
            padding: 24px;
            display: none;
        }
        .form-success i {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .form-success p {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep-bg);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand i {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-links a:hover {
            color: var(--success);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .site-name {
            color: rgba(255, 255, 255, 0.6);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card.wide {
                grid-column: span 2;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-inner {
                padding: 80px 24px 90px;
                min-height: auto;
            }
            .hero-float {
                display: none;
            }
        }
        @media (max-width: 639px) {
            .section-pad {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .header-inner {
                padding: 12px 16px;
                gap: 8px;
            }
            .brand-logo {
                font-size: 1.2rem;
            }
            .brand-logo i {
                font-size: 1.1rem;
            }
            .nav-chips {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
            }
            .nav-chips::-webkit-scrollbar {
                display: none;
            }
            .chip {
                padding: 6px 16px;
                font-size: 0.85rem;
                flex-shrink: 0;
            }
            .header-cta {
                display: none;
            }
            .hero-inner {
                padding: 60px 16px 70px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card.wide {
                grid-column: span 1;
            }
            .news-card {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                min-width: 0;
                aspect-ratio: 16 / 9;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .compare-card {
                padding: 24px 20px;
            }
        }
        @media (max-width: 480px) {
            .contact-form-card {
                padding: 24px 20px;
            }
            .brand-logo {
                font-size: 1.05rem;
            }
            .header-inner {
                padding: 10px 14px;
            }
        }

/* roulang page: article */
:root {
  --primary: #167A43;
  --primary-dark: #0E5C31;
  --ink: #0C1C14;
  --accent: #F97316;
  --accent-dark: #D95E0B;
  --lime: #A3E635;
  --cream: #F7F4EF;
  --white: #FFFFFF;
  --text: #1A1F1C;
  --muted: #5C6660;
  --placeholder: #A6AEA8;
  --border: #E5E0D8;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-input: 8px;
  --radius-chip: 20px;
  --shadow-card: 0 2px 8px rgba(12,28,20,0.06);
  --shadow-hover: 0 8px 24px rgba(12,28,20,0.12);
  --space-section: 80px;
  --space-section-md: 56px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"HarmonyOS Sans SC","Source Han Sans CN","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--cream);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-btn);font-size:1rem;font-weight:600;line-height:1.4;border:2px solid transparent;cursor:pointer;transition:all .25s ease;text-align:center}
.btn:focus{outline:2px solid var(--primary);outline-offset:3px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(249,115,22,0.25)}
.btn-accent:active{transform:translateY(0);box-shadow:0 4px 12px rgba(249,115,22,0.15)}
.btn-outline{border-color:rgba(255,255,255,0.7);color:#fff;background:transparent}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.1);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0);background:rgba(255,255,255,0.18)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(22,122,67,0.25)}
.btn-primary:active{transform:translateY(0)}
.btn-lg{padding:16px 36px;font-size:1.125rem}

.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:var(--radius-chip);font-size:0.875rem;font-weight:500;line-height:1.4;background:var(--cream);color:var(--muted);border:1px solid var(--border);transition:all .25s ease;white-space:nowrap}
.chip-sm{padding:3px 12px;font-size:0.75rem}
.chip-primary{background:rgba(22,122,67,0.12);color:var(--primary);border-color:rgba(22,122,67,0.2)}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand-logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;color:var(--ink);white-space:nowrap}
.brand-logo i{color:var(--accent);font-size:1.6rem}
.nav-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chips .chip{padding:7px 20px;background:transparent;border:1px solid var(--border);font-weight:500;color:var(--muted);border-radius:var(--radius-chip);transition:all .25s ease}
.nav-chips .chip:hover{border-color:var(--primary);color:var(--primary);background:rgba(22,122,67,0.06);transform:translateY(-1px)}
.nav-chips .chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(22,122,67,0.18)}
.nav-chips .chip:focus{outline:2px solid var(--primary);outline-offset:2px}
.header-cta{padding:10px 24px;font-size:0.95rem;white-space:nowrap}

.article-banner{background:linear-gradient(135deg,rgba(12,28,20,0.94) 0%,rgba(12,28,20,0.82) 60%,rgba(12,28,20,0.68) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:64px 0 52px;color:#fff;position:relative}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:0.925rem;color:rgba(255,255,255,0.6);margin-bottom:28px}
.breadcrumb a{color:rgba(255,255,255,0.7);transition:color .25s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(255,255,255,0.35)}
.breadcrumb .current{color:rgba(255,255,255,0.9)}
.article-titles h1{font-size:clamp(1.6rem,3.2vw,2.6rem);font-weight:800;line-height:1.2;color:#fff;max-width:820px;margin-bottom:20px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:0.925rem;color:rgba(255,255,255,0.65)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--lime)}

.article-page{background:var(--cream);padding-bottom:60px}
.article-main-wrap{max-width:860px;margin:0 auto;padding:0 24px}
.article-main{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:48px 56px;margin-top:-30px;position:relative;z-index:2}
@media(max-width:639px){.article-main{padding:28px 22px;margin-top:-20px}}
.article-content{font-size:1.0625rem;line-height:1.8;color:#2A2F2C}
.article-content p{margin:0 0 1.5em}
.article-content h2{font-size:1.5rem;font-weight:700;margin:2em 0 0.8em;color:var(--text);padding-left:14px;border-left:4px solid var(--primary)}
.article-content h3{font-size:1.25rem;font-weight:700;margin:1.8em 0 0.6em;color:var(--text)}
.article-content h4{font-size:1.1rem;font-weight:700;margin:1.5em 0 0.5em;color:var(--text)}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--cream);padding:1em 1.5em;margin:1.5em 0;color:var(--muted);border-radius:0 var(--radius-card) var(--radius-card) 0}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{max-width:100%;border-radius:var(--radius-card);margin:1.5em auto;box-shadow:var(--shadow-card)}
.article-content figcaption{text-align:center;color:var(--placeholder);font-size:0.875rem;margin-top:-0.5em;margin-bottom:1.5em}
.article-content ul,.article-content ol{padding-left:1.5em;margin:0 0 1.5em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:0.5em}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent)}
.article-content table{width:100%;border-collapse:collapse;margin:1.5em 0}
.article-content th,.article-content td{padding:10px 14px;border:1px solid var(--border);text-align:left}
.article-content th{background:var(--cream);font-weight:600}

.not-found{text-align:center;padding:40px 20px}
.not-found-icon{font-size:3.5rem;color:var(--placeholder);margin-bottom:16px}
.not-found h2{font-size:1.6rem;margin-bottom:12px}
.not-found p{color:var(--muted);margin-bottom:24px}

.related-section{padding:72px 0 24px;background:var(--cream)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.section-head h2{font-size:clamp(1.4rem,2.2vw,1.8rem);font-weight:700}
.more-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:0.95rem;transition:color .25s ease}
.more-link:hover{color:var(--accent)}
.more-link i{transition:transform .25s ease}
.more-link:hover i{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:all .3s ease;display:flex;flex-direction:column}
.related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.related-card:focus{outline:2px solid var(--primary);outline-offset:3px}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EDEAE4}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;gap:10px}
.card-body .chip{align-self:flex-start}
.card-body h3{font-size:1.05rem;font-weight:700;line-height:1.4;color:var(--text);transition:color .25s ease}
.related-card:hover .card-body h3{color:var(--primary)}
.card-body p{font-size:0.9rem;color:var(--muted);line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.article-cta{padding:72px 0 48px}
.cta-card{background:var(--ink);border-radius:20px;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden}
.cta-card::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;border-radius:50%;background:rgba(163,230,53,0.08)}
.cta-card::after{content:'';position:absolute;bottom:-60px;left:-30px;width:180px;height:180px;border-radius:50%;background:rgba(249,115,22,0.08)}
.cta-text{position:relative;z-index:1;flex:1}
.cta-text h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:12px}
.cta-text p{color:rgba(255,255,255,0.7);margin:0;max-width:560px;font-size:0.95rem}
.cta-card .btn{position:relative;z-index:1;flex-shrink:0}

.site-footer{background:var(--ink);padding:72px 0 0;color:rgba(255,255,255,0.65)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand i{color:var(--accent)}
.footer-desc{font-size:0.925rem;line-height:1.7;max-width:360px;color:rgba(255,255,255,0.6)}
.footer-title{font-size:1rem;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,0.65);font-size:0.925rem;transition:color .25s ease}
.footer-links a:hover{color:var(--lime)}
.footer-links a:focus{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:0.875rem;color:rgba(255,255,255,0.45)}
.site-name{color:rgba(255,255,255,0.8);font-weight:600}

@media(max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 36px}
}
@media(max-width:767px){
  .header-inner{height:auto;flex-wrap:wrap;padding:12px 16px;gap:12px}
  .brand-logo{font-size:1.15rem;width:100%}
  .header-inner .nav-chips{order:2;width:calc(100% - 140px)}
  .header-cta{margin-left:auto}
  :root{--space-section:56px}
  .related-grid{grid-template-columns:1fr 1fr}
  .article-main{padding:28px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media(max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .article-banner{padding:48px 0 44px}
  .article-titles h1{font-size:1.4rem}
  .article-meta{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-card{padding:32px 24px}
  .header-inner .nav-chips{width:100%;order:3}
  .header-cta{display:none}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
            --primary: #167A43;
            --primary-dark: #0C1C14;
            --accent: #F97316;
            --lime: #A3E635;
            --bg: #F7F4EF;
            --white: #FFFFFF;
            --text: #1A1F1C;
            --text-muted: #5C6660;
            --muted: #5C6660;
            --border: #E5E0D8;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 2px 8px rgba(12, 28, 20, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 28, 20, 0.12);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .grid-container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .grid-x.grid-margin-x .cell {
            margin-bottom: 1.5rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            font-size: 0.9375rem;
            font-weight: 700;
            line-height: 1.2;
            border: 2px solid transparent;
            cursor: pointer;
            text-align: center;
            transition: var(--transition);
            text-decoration: none;
            min-height: 44px;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            text-decoration: none;
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

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

        .btn-accent:hover {
            background: #E56306;
            border-color: #E56306;
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
        }

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

        .btn-lg {
            padding: 1rem 2rem;
            font-size: 1rem;
            border-radius: 12px;
        }

        .btn-sm {
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            min-height: 36px;
            border-radius: 8px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.5rem 1rem;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.875rem;
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ---------------- Header ---------------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(12, 28, 20, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand-logo i {
            color: var(--lime);
            font-size: 1.35rem;
        }

        .brand-logo:hover {
            color: var(--lime);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            flex: 1;
            justify-content: center;
        }

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

        .chip {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.28);
            background: transparent;
            transition: var(--transition);
            text-decoration: none;
        }

        .chip:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
            background: rgba(255, 255, 255, 0.08);
        }

        .chip:focus {
            outline: 2px solid var(--lime);
            outline-offset: 2px;
        }

        .chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(22, 122, 67, 0.35);
        }

        .header-cta {
            flex-shrink: 0;
            padding: 0.6rem 1.2rem;
            min-height: 40px;
        }

        /* ---------------- Hero ---------------- */
        .hero-cat {
            position: relative;
            color: #fff;
            padding: clamp(4.5rem, 10vw, 8rem) 0;
            background:
                linear-gradient(100deg, rgba(12, 28, 20, 0.95) 0%, rgba(12, 28, 20, 0.78) 52%, rgba(22, 122, 67, 0.42) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero-cat::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(rgba(163, 230, 53, 0.14) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

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

        .hero-cat h1 {
            font-size: clamp(2.1rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.15;
            margin: 0 0 1rem;
            max-width: 760px;
            color: #fff;
        }

        .hero-cat .hero-sub {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }

        .hero-live-panel {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            margin-top: 2.5rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 16px;
            max-width: 580px;
            backdrop-filter: blur(4px);
        }

        .hero-live-row {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            background: var(--lime);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.2);
            flex-shrink: 0;
        }

        /* ---------------- Breadcrumb ---------------- */
        .breadcrumb {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0.75rem 0;
        }

        .breadcrumb .bc-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            font-size: 0.8125rem;
            color: var(--muted);
        }

        .breadcrumb a {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb .bc-sep {
            margin: 0 0.5rem;
            color: var(--border);
        }

        /* ---------------- Section Base ---------------- */
        .section {
            padding: 5rem 0;
        }

        @media (max-width: 639px) {
            .section {
                padding: 3.5rem 0;
            }
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: rgba(22, 122, 67, 0.1);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 700;
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 0.75rem;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--text);
            margin: 0 0 0.5rem;
            line-height: 1.3;
        }

        .section-sub {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--muted);
            max-width: 680px;
            margin: 0;
        }

        /* ---------------- Intro ---------------- */
        .intro-cat {
            background: var(--white);
            border-bottom: 1px solid var(--border);
        }

        .intro-cat .intro-text p {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.85;
            margin: 0 0 1rem;
        }

        .intro-cat .intro-text p:last-child {
            margin-bottom: 0;
        }

        .intro-cat .intro-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        .intro-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            transition: var(--transition);
        }

        .intro-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .intro-item i {
            font-size: 1.35rem;
            color: var(--primary);
            background: rgba(22, 122, 67, 0.1);
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .intro-item h3 {
            font-size: 0.9375rem;
            font-weight: 700;
            margin: 0 0 0.25rem;
            color: var(--text);
        }

        .intro-item p {
            margin: 0;
            font-size: 0.875rem;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ---------------- Feature Cards ---------------- */
        .capability-section {
            background: var(--bg);
        }

        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .feature-card .cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E4EEE7;
        }

        .feature-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .feature-card:hover .cover img {
            transform: scale(1.02);
        }

        .feature-card .body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }

        .feature-card p {
            color: var(--muted);
            font-size: 0.9375rem;
            line-height: 1.7;
            margin: 0 0 1.25rem;
            flex: 1;
        }

        .feature-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.875rem;
            text-decoration: none;
            margin-top: auto;
        }

        .feature-card .card-link i {
            font-size: 0.8rem;
            transition: transform 0.2s ease;
        }

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

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

        .feature-card .card-link:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ---------------- Coverage ---------------- */
        .coverage-section {
            background: var(--white);
            border-bottom: 1px solid var(--border);
        }

        .coverage-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .coverage-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 0.625rem 1.25rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
        }

        .coverage-tag i {
            color: var(--primary);
        }

        .coverage-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(22, 122, 67, 0.06);
            transform: translateY(-1px);
        }

        .coverage-note {
            margin-top: 1.75rem;
            font-size: 0.875rem;
            color: var(--muted);
            max-width: 640px;
        }

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

        .step-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.375rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            box-shadow: 0 6px 16px rgba(22, 122, 67, 0.25);
        }

        .step-card h3 {
            font-size: 1.125rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 0.5rem;
        }

        .step-card p {
            font-size: 0.9375rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ---------------- FAQ ---------------- */
        .faq-section {
            background: var(--bg);
            border-top: 1px solid var(--border);
        }

        .faq-accordion {
            margin: 0;
            list-style: none;
        }

        .faq-accordion .accordion-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: box-shadow 0.25s ease;
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-accordion .accordion-item.is-active {
            box-shadow: var(--shadow-card);
        }

        .faq-accordion .accordion-title {
            background: var(--white);
            padding: 1.25rem 3rem 1.25rem 1.5rem;
            color: var(--text);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.4;
            display: block;
            position: relative;
            border: none;
            text-align: left;
            border-radius: 0;
        }

        .faq-accordion .accordion-title h3 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0;
            color: inherit;
            line-height: 1.4;
        }

        .faq-accordion .accordion-title:hover,
        .faq-accordion .accordion-title:focus {
            background: var(--white);
            color: var(--primary);
        }

        .faq-accordion .accordion-title:focus {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }

        .faq-accordion .accordion-title::before {
            content: "+";
            position: absolute;
            right: 1.25rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--accent);
            transition: transform 0.2s ease, color 0.2s ease;
            line-height: 1;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::before {
            content: "×";
            font-weight: 400;
            color: var(--primary);
        }

        .faq-accordion .accordion-content {
            background: var(--white);
            border-top: 1px solid var(--border);
            padding: 0 1.5rem 1.5rem;
            color: var(--muted);
            font-size: 0.9375rem;
            line-height: 1.75;
        }

        /* ---------------- CTA Band ---------------- */
        .cta-section {
            background: var(--bg);
            padding-top: 1rem;
        }

        .cta-band {
            position: relative;
            background-color: var(--primary-dark);
            background-image: radial-gradient(rgba(163, 230, 53, 0.16) 1px, transparent 1px);
            background-size: 22px 22px;
            border-radius: 20px;
            padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 4rem);
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-band h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 800;
            margin: 0 0 0.75rem;
            color: #fff;
            line-height: 1.3;
        }

        .cta-band p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }

        .cta-band .btn {
            margin: 0 auto;
        }

        /* ---------------- Footer ---------------- */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 4rem 0 0;
            margin-top: 3rem;
        }

        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-brand i {
            color: var(--lime);
            font-size: 1.35rem;
        }

        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 360px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

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

        .footer-links li {
            margin-bottom: 0.625rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--lime);
        }

        .footer-links a:focus {
            outline: 2px solid var(--lime);
            outline-offset: 2px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .site-name {
            color: rgba(255, 255, 255, 0.7);
            font-weight: 600;
        }

        /* ---------------- Responsive ---------------- */
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 639px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 0.75rem 1rem;
                gap: 0.5rem;
            }

            .brand-logo {
                font-size: 1.0625rem;
            }

            .header-cta {
                padding: 0.5rem 0.9rem;
                font-size: 0.8125rem;
                margin-left: auto;
            }

            .nav-chips {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding-bottom: 0.25rem;
            }

            .hero-cat {
                padding: 3.5rem 0 4rem;
            }

            .hero-cat h1 {
                font-size: 1.9rem;
            }

            .hero-sub {
                font-size: 0.9375rem;
            }

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

            .hero-live-panel {
                flex-direction: column;
                gap: 0.5rem;
            }

            .coverage-list {
                gap: 0.5rem;
            }

            .coverage-tag {
                padding: 0.5rem 0.875rem;
                font-size: 0.8125rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 0.9375rem;
            }

            .brand-logo i {
                font-size: 1.1rem;
            }

            .header-cta {
                font-size: 0.75rem;
                padding: 0.45rem 0.75rem;
            }

            .chip {
                padding: 0.4rem 0.8rem;
                font-size: 0.8125rem;
            }

            .intro-item {
                padding: 1rem;
            }

            .feature-card .body {
                padding: 1.25rem;
            }

            .step-card {
                padding: 1.5rem 1rem;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #167A43;
            --primary-dark: #0F5C32;
            --deep: #0C1C14;
            --deep-2: #132A1E;
            --accent: #F97316;
            --accent-hover: #EA6A0C;
            --lime: #A3E635;
            --cream: #F7F4EF;
            --white: #FFFFFF;
            --text-main: #1A1F1C;
            --text-sub: #5C6660;
            --text-muted: #A6AEA8;
            --border: #E5E0D8;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-chip: 20px;
            --shadow-card: 0 2px 8px rgba(12, 28, 20, 0.06);
            --shadow-hover: 0 8px 24px rgba(12, 28, 20, 0.12);
            --section-space: clamp(56px, 8vw, 80px);
            --container-max: 1200px;
            --font-sans: -apple-system, BlinkMacSystemFont, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--cream);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s, background .2s, border-color .2s, box-shadow .2s;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .process-section a:focus-visible,
        .cta-banner a:focus-visible,
        .site-footer a:focus-visible,
        .page-hero a:focus-visible {
            outline-color: var(--lime);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            border: 2px solid transparent;
            cursor: pointer;
            transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
        }

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

        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

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

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

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .8);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
        }

        .btn-lg {
            padding: 16px 38px;
            font-size: 1.0625rem;
        }

        /* ===== Header 导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--deep);
            letter-spacing: .01em;
            white-space: nowrap;
        }

        .brand-logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }

        .nav-chips {
            display: flex;
            gap: 8px;
            margin-left: auto;
            flex-wrap: nowrap;
        }

        .chip {
            padding: 8px 20px;
            border-radius: var(--radius-chip);
            border: 1.5px solid var(--border);
            color: var(--text-main);
            background: transparent;
            font-size: .9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: background .2s, color .2s, border-color .2s, transform .2s;
        }

        .chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(22, 122, 67, .06);
        }

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

        .chip:active {
            transform: scale(.96);
        }

        .header-cta {
            padding: 10px 24px;
            font-size: .875rem;
        }

        /* ===== 分类Hero ===== */
        .page-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 72px 0 64px;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(12, 28, 20, .9) 0%, rgba(12, 28, 20, .58) 55%, rgba(12, 28, 20, .28) 100%);
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 240px;
            gap: 48px;
            align-items: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 12px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color .2s;
        }

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

        .breadcrumb .sep::before {
            content: '/';
            margin: 0 4px;
            color: rgba(255, 255, 255, .45);
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.18;
            margin: 12px 0 20px;
            max-width: 760px;
        }

        .page-hero-sub {
            font-size: 1.0625rem;
            color: rgba(255, 255, 255, .9);
            line-height: 1.8;
            max-width: 660px;
            margin-bottom: 28px;
        }

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

        .hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .badge-tag {
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, .35);
            background: rgba(255, 255, 255, .12);
            color: rgba(255, 255, 255, .92);
            font-size: .8125rem;
            backdrop-filter: blur(4px);
        }

        .hero-stat-card {
            background: #fff;
            color: var(--text-main);
            padding: 22px 24px;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 32px rgba(12, 28, 20, .22);
        }

        .hero-stat-card-top {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, .25);
        }

        .status-label {
            font-size: .75rem;
            color: var(--text-sub);
            font-weight: 700;
            letter-spacing: .05em;
        }

        .hero-stat-card-value {
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--deep);
            margin-bottom: 4px;
        }

        .hero-stat-card-meta {
            font-size: .75rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== 分类简介 ===== */
        .category-intro {
            background: var(--white);
            padding: var(--section-space) 0;
        }

        .intro-cols {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .intro-cols h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .intro-cols p {
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .intro-points {
            display: grid;
            gap: 14px;
            margin-top: 8px;
        }

        .intro-points li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-main);
            font-size: .9375rem;
        }

        .intro-points i {
            color: var(--primary);
            margin-top: 6px;
            font-size: .8125rem;
            flex-shrink: 0;
        }

        /* ===== 通用区块标题 ===== */
        .section-head {
            max-width: 720px;
            margin: 0 auto 48px;
            text-align: center;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
        }

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

        /* ===== 服务方案网格 ===== */
        .service-grid-section {
            background: var(--cream);
            padding: var(--section-space) 0;
        }

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

        .service-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }

        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .service-card.featured {
            grid-column: span 2;
        }

        .service-card.wide {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: 46% 54%;
        }

        .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            border-bottom: 1px solid var(--border);
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }

        .service-card:hover .card-cover img {
            transform: scale(1.03);
        }

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

        .card-body h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .card-body p {
            color: var(--text-sub);
            line-height: 1.7;
            font-size: .9375rem;
            flex: 1;
        }

        .card-link {
            margin-top: 18px;
            color: var(--primary);
            font-weight: 600;
            font-size: .875rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-link i {
            font-size: .8125rem;
            transition: transform .2s;
        }

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

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

        .service-card.wide .card-cover {
            height: 100%;
            min-height: 260px;
            aspect-ratio: auto;
            border-bottom: none;
            border-right: 1px solid var(--border);
        }

        .service-card.wide .card-body {
            justify-content: center;
        }

        /* ===== 服务流程 ===== */
        .process-section {
            background: var(--deep);
            padding: var(--section-space) 0;
        }

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

        .process-section .section-head p {
            color: rgba(255, 255, 255, .72);
        }

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

        .process-step {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-card);
            padding: 36px 24px 32px;
            text-align: center;
            transition: background .3s, border-color .3s, transform .3s;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .22);
            transform: translateY(-2px);
        }

        .process-step .step-num {
            display: block;
            font-size: .8125rem;
            font-weight: 700;
            color: var(--lime);
            letter-spacing: .2em;
            margin-bottom: 12px;
        }

        .process-step i {
            font-size: 2rem;
            color: var(--lime);
            display: block;
            margin-bottom: 16px;
        }

        .process-step h3 {
            color: #fff;
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            color: rgba(255, 255, 255, .68);
            font-size: .875rem;
            line-height: 1.6;
        }

        /* ===== 适用场景 ===== */
        .scenario-section {
            background: var(--white);
            padding: var(--section-space) 0;
        }

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

        .scenario-card {
            background: var(--cream);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 32px 28px;
            transition: transform .25s, box-shadow .25s;
        }

        .scenario-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .scenario-card i {
            font-size: 2rem;
            color: var(--primary);
            display: block;
            margin-bottom: 16px;
        }

        .scenario-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .scenario-card p {
            color: var(--text-sub);
            line-height: 1.7;
            font-size: .9375rem;
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-section {
            background: var(--cream);
            padding: var(--section-space) 0;
        }

        .accordion {
            max-width: 880px;
            margin: 0 auto !important;
            list-style: none !important;
            background: transparent !important;
            border: none !important;
        }

        .accordion-item {
            background: #fff !important;
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px !important;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }

        .accordion-item.is-active {
            border-color: rgba(22, 122, 67, .4) !important;
            box-shadow: var(--shadow-card);
        }

        .accordion-title {
            position: relative !important;
            display: block !important;
            padding: 20px 56px 20px 20px !important;
            font-size: 1rem !important;
            font-weight: 600 !important;
            color: var(--text-main) !important;
            background: transparent !important;
            border: none !important;
            line-height: 1.5 !important;
            transition: color .2s;
        }

        .accordion-title:hover {
            color: var(--primary) !important;
        }

        .accordion-title::before {
            display: none !important;
        }

        .accordion-title::after {
            content: '+' !important;
            position: absolute !important;
            right: 20px !important;
            top: 50% !important;
            transform: translateY(-50%) !important;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            line-height: 1;
            transition: background .3s, transform .3s;
        }

        .accordion-item.is-active .accordion-title::after {
            content: '×' !important;
            background: var(--accent);
            transform: translateY(-50%) rotate(180deg);
        }

        .accordion-content {
            padding: 0 24px 24px !important;
            color: var(--text-sub) !important;
            line-height: 1.75 !important;
            font-size: .9375rem;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            padding: var(--section-space) 0;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(12, 28, 20, .82);
        }

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

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

        .cta-text h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, .72);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .78);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand i {
            color: var(--lime);
        }

        .footer-desc {
            color: rgba(255, 255, 255, .58);
            font-size: .875rem;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .66);
            font-size: .875rem;
            transition: color .2s;
        }

        .footer-links a:hover {
            color: var(--lime);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom .site-name {
            color: rgba(255, 255, 255, .6);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .intro-cols {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .service-card.featured {
                grid-column: span 2;
            }

            .service-card.wide {
                grid-template-columns: 1fr;
            }

            .service-card.wide .card-cover {
                min-height: 220px;
                border-right: none;
                border-bottom: 1px solid var(--border);
            }

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

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

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

        @media (max-width: 639px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 12px 16px;
                gap: 10px;
            }

            .brand-logo {
                font-size: 1.0625rem;
            }

            .header-cta {
                margin-left: auto;
                padding: 8px 16px;
                font-size: .8125rem;
            }

            .nav-chips {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding: 6px 2px 2px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                gap: 8px;
            }

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

            .chip {
                flex-shrink: 0;
                padding: 7px 16px;
                font-size: .8125rem;
            }

            .page-hero {
                min-height: 360px;
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 1.625rem;
            }

            .page-hero-sub {
                font-size: .9375rem;
            }

            .page-hero-actions .btn {
                padding: 10px 20px;
                font-size: .875rem;
            }

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

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

            .service-card.featured,
            .service-card.wide {
                grid-column: span 1;
            }

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-banner {
                padding: 48px 0;
            }

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

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }