/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --brand-green: #147D57;
            --brand-green-light: #E9F5F0;
            --brand-green-hover: #16996B;
            --accent-orange: #F2672E;
            --ink-dark: #13201B;
            --text-primary: #1F2A24;
            --text-secondary: #5C6B63;
            --bg-body: #F7F8F5;
            --bg-card: #FFFFFF;
            --border-line: #E4EAE6;
            --success: #1E9D5A;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 20px;
            --shadow-sm: 0 4px 20px rgba(19,32,27,0.06);
            --shadow-hover: 0 8px 30px rgba(19,32,27,0.10);
            --shadow-green: 0 4px 14px rgba(20,125,87,0.25);
            --global-pad: clamp(3.5rem, 7vw, 6rem) 0;
            --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.2s ease;
        }

        a:hover {
            color: var(--brand-green);
        }

        ul {
            list-style: none;
        }

        button, input {
            font-family: inherit;
        }

        /* ===== 通用容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: var(--global-pad);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            background: var(--brand-green-light);
            color: var(--brand-green);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 100px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

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

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

        .section-header.light p {
            color: rgba(255,255,255,0.75);
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            transition: all 0.2s ease;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .btn-primary:hover {
            background-color: var(--brand-green-hover);
            border-color: var(--brand-green-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(20,125,87,0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(20,125,87,0.2);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid #D8E2DC;
            color: var(--brand-green);
            font-weight: 600;
        }

        .btn-outline:hover {
            border-color: var(--brand-green);
            background: var(--brand-green-light);
            color: var(--brand-green);
        }

        .btn-orange {
            background-color: var(--accent-orange);
            border-color: var(--accent-orange);
            color: #fff;
            box-shadow: 0 4px 14px rgba(242,103,46,0.25);
        }

        .btn-orange:hover {
            background-color: #E0551F;
            border-color: #E0551F;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(242,103,46,0.35);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(20,125,87,0.3);
            outline-offset: 2px;
        }

        /* ===== 标签 ===== */
        .badge-tag {
            display: inline-block;
            background: var(--brand-green-light);
            color: var(--brand-green);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: 0.02em;
        }

        .badge-tag.orange {
            background: rgba(242,103,46,0.12);
            color: var(--accent-orange);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(228,234,230,0.8);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255,255,255,0.97);
            box-shadow: 0 4px 24px rgba(19,32,27,0.06);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 72px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--brand-green);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: 0;
        }

        .brand-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ink-dark);
            letter-spacing: 0.01em;
        }

        .brand-text span {
            color: var(--brand-green);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color 0.2s ease;
        }

        .nav-link:hover {
            color: var(--brand-green);
            background: rgba(20,125,87,0.05);
        }

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

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--brand-green);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: #F1F4F1;
            border: 1px solid transparent;
            border-radius: 10px;
            padding: 7px 14px;
            gap: 8px;
            width: 220px;
            transition: all 0.2s ease;
        }

        .search-box:hover,
        .search-box:focus-within {
            border-color: var(--brand-green);
            background: #fff;
            box-shadow: 0 2px 10px rgba(19,32,27,0.06);
        }

        .search-box i {
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        .search-box input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 0.85rem;
            color: var(--text-primary);
            outline: none;
        }

        .search-box input::placeholder {
            color: #9AA8A0;
        }

        .search-kbd {
            font-size: 0.7rem;
            color: var(--text-secondary);
            background: #E8EDE9;
            border-radius: 4px;
            padding: 2px 6px;
            font-weight: 600;
            border: 1px solid #DCE3DE;
        }

        .nav-icon-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-secondary);
            background: #F1F4F1;
            transition: all 0.2s ease;
        }

        .nav-icon-btn:hover {
            background: var(--brand-green-light);
            color: var(--brand-green);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-line);
            background: transparent;
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .nav-toggle:hover {
            background: var(--brand-green-light);
            color: var(--brand-green);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(120deg, #F7F8F5 0%, #E9F5F0 100%);
            padding: 80px 0;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(20,125,87,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.75rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--ink-dark);
            margin-bottom: 20px;
            letter-spacing: 0;
        }

        .hero h1 .highlight {
            color: var(--brand-green);
            position: relative;
            display: inline-block;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-btns {
            display: flex;
            gap: 12px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-trust-item i {
            color: var(--brand-green);
            font-size: 1rem;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-img);
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(19,32,27,0.14);
            aspect-ratio: 4/3;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 70%, rgba(19,32,27,0.25) 100%);
            pointer-events: none;
        }

        .hero-float-card {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(8px);
            border-radius: 14px;
            padding: 16px 20px;
            box-shadow: 0 8px 24px rgba(19,32,27,0.15);
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 3;
            border: 1px solid rgba(255,255,255,0.6);
        }

        .hero-float-card .float-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1;
            font-feature-settings: "tnum";
        }

        .hero-float-card .float-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        /* ===== 数据信任条 ===== */
        .data-bar {
            background: var(--brand-green-light);
            padding: 40px 0;
            border-bottom: 1px solid rgba(20,125,87,0.08);
        }

        .data-card {
            text-align: center;
            padding: 16px 8px;
            position: relative;
        }

        .data-card::after {
            content: "";
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 48px;
            background: rgba(20,125,87,0.15);
        }

        .data-card:last-child::after {
            display: none;
        }

        .data-card .data-num {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .data-card .data-label {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== 步骤流程 ===== */
        .steps-section {
            background: var(--bg-card);
            padding: var(--global-pad);
        }

        .step-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: all 0.2s ease;
            box-shadow: var(--shadow-sm);
        }

        .step-card:hover {
            border-color: rgba(20,125,87,0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--brand-green);
            opacity: 0.25;
            line-height: 1;
            margin-bottom: 16px;
            font-feature-settings: "tnum";
        }

        .step-icon {
            width: 52px;
            height: 52px;
            background: var(--brand-green-light);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 1.4rem;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -24px;
            width: 40px;
            height: 40px;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 0.9rem;
            z-index: 2;
            box-shadow: var(--shadow-sm);
        }

        /* ===== 服务特性（交错） ===== */
        .features-section {
            background: var(--bg-body);
            padding: var(--global-pad);
        }

        .feature-row {
            background: var(--bg-card);
            border-radius: var(--radius-img);
            padding: 40px;
            margin-bottom: 32px;
            border: 1px solid var(--border-line);
            transition: box-shadow 0.2s ease;
            box-shadow: var(--shadow-sm);
        }

        .feature-row:hover {
            box-shadow: var(--shadow-hover);
        }

        .feature-row:nth-child(2n) {
            background: var(--brand-green-light);
            border-color: rgba(20,125,87,0.12);
        }

        .feature-img {
            border-radius: 16px;
            overflow: hidden;
            aspect-ratio: 16/10;
            height: 100%;
        }

        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--brand-green);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 18px;
        }

        .feature-row h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .feature-row .feature-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-primary);
        }

        .feature-list li i {
            color: var(--success);
            font-size: 0.85rem;
        }

        /* ===== 案例 ===== */
        .cases-section {
            background: var(--bg-card);
            padding: var(--global-pad);
        }

        .case-card {
            border: 1px solid var(--border-line);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            background: var(--bg-card);
            transition: all 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            border-color: rgba(20,125,87,0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .case-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

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

        .case-card:hover .case-cover img {
            transform: scale(1.04);
        }

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

        .case-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 10px 0 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .case-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-stats {
            display: flex;
            gap: 20px;
            border-top: 1px solid var(--border-line);
            padding-top: 14px;
        }

        .case-stats .stat {
            text-align: left;
        }

        .case-stats .stat-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-orange);
            font-feature-settings: "tnum";
        }

        .case-stats .stat-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            display: block;
        }

        .case-banner {
            background: var(--ink-dark);
            border-radius: var(--radius-img);
            padding: 40px;
            margin-top: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .case-banner::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(20,125,87,0.2);
            border-radius: 50%;
        }

        .case-banner h3 {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .case-banner p {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background: var(--bg-body);
            padding: var(--global-pad);
        }

        .news-feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-line);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all 0.2s ease;
            box-shadow: var(--shadow-sm);
        }

        .news-feature-card:hover {
            border-color: rgba(20,125,87,0.3);
            box-shadow: var(--shadow-hover);
        }

        .news-feature-img {
            aspect-ratio: 16/8;
            overflow: hidden;
            position: relative;
        }

        .news-feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .news-feature-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 10px 0 8px;
            color: var(--text-primary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-feature-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: auto;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: 14px;
            padding: 18px 20px;
            margin-bottom: 14px;
            transition: all 0.2s ease;
        }

        .news-list-item:last-child {
            margin-bottom: 0;
        }

        .news-list-item:hover {
            border-color: rgba(20,125,87,0.3);
            box-shadow: var(--shadow-sm);
        }

        .news-list-num {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--brand-green-light);
            color: var(--brand-green);
            font-weight: 700;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-feature-settings: "tnum";
        }

        .news-list-info {
            flex: 1;
        }

        .news-list-info h4 {
            font-size: 0.925rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 4px 0 4px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-info p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 4px 0 6px;
        }

        .news-date {
            font-size: 0.75rem;
            color: #9AA8A0;
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-card);
            border: 1px dashed var(--border-line);
            border-radius: var(--radius-card);
        }

        .news-empty i {
            font-size: 2.5rem;
            color: var(--border-line);
            margin-bottom: 16px;
        }

        .news-empty p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .news-footer-link {
            text-align: center;
            margin-top: 32px;
        }

        .news-footer-link a {
            font-weight: 600;
            color: var(--brand-green);
            font-size: 0.925rem;
        }

        .news-footer-link a:hover {
            text-decoration: underline;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-card);
            padding: var(--global-pad);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-line);
            border-radius: 14px;
            margin-bottom: 14px;
            transition: all 0.25s ease;
            overflow: hidden;
        }

        .faq-item.active {
            border-color: rgba(20,125,87,0.25);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.975rem;
            color: var(--text-primary);
            background: transparent;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: var(--brand-green-light);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--brand-green-light);
            color: var(--brand-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: transform 0.25s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-green);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--text-secondary);
            background: #F8FAF8;
            border-radius: 10px;
            padding: 16px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--ink-dark);
            padding: var(--global-pad);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(20,125,87,0.25);
            border-radius: 50%;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(242,103,46,0.12);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2.1rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255,255,255,0.7);
            font-size: 1rem;
            margin-bottom: 36px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .cta-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .cta-form input:focus {
            border-color: var(--brand-green);
            background: rgba(255,255,255,0.16);
        }

        .cta-form input:focus-visible {
            outline: 2px solid rgba(20,125,87,0.5);
            outline-offset: 2px;
        }

        .cta-tip {
            margin-top: 20px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink-dark);
            color: #C8D3CC;
            padding: 60px 0 0;
        }

        .footer-col {
            margin-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            font-size: 0.95rem;
        }

        .footer-brand-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            margin-bottom: 0;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent-orange);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 0.875rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            font-size: 0.875rem;
            line-height: 2;
            color: rgba(255,255,255,0.65);
        }

        .footer-contact i {
            width: 20px;
            color: var(--brand-green);
            margin-right: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            margin-top: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
            margin: 0;
        }

        .footer-bottom .beian {
            font-size: 0.75rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border-line);
                padding: 16px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                box-shadow: 0 12px 30px rgba(19,32,27,0.08);
            }

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

            .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
            }

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

            .nav-link.active {
                background: var(--brand-green-light);
                color: var(--brand-green);
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .search-box {
                width: 160px;
            }

            .search-kbd {
                display: none;
            }

            .step-arrow {
                display: none;
            }

            .hero {
                padding: 50px 0;
            }

            .hero .row {
                row-gap: 40px;
            }

            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-form input {
                width: 100%;
                min-width: 0;
            }

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

        @media (max-width: 768px) {
            .nav-actions .btn-primary {
                display: none;
            }

            .nav-icon-btn {
                display: none;
            }

            .search-box {
                width: 38px;
                padding: 7px;
                justify-content: center;
                background: #F1F4F1;
                border-radius: 50%;
            }

            .search-box input {
                display: none;
            }

            .search-box i {
                margin: 0;
            }

            .feature-row {
                padding: 24px;
            }

            .feature-list {
                grid-template-columns: 1fr;
            }

            .data-card::after {
                display: none;
            }

            .data-card {
                padding: 12px 8px;
            }

            .case-banner {
                padding: 32px;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 1.1rem;
            }

            .hero h1 {
                font-size: 1.5rem;
            }

            .hero-btns .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-trust {
                gap: 12px;
                justify-content: flex-start;
            }

            .hero-trust-item {
                font-size: 0.8rem;
            }

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

            .step-card {
                padding: 24px 20px;
            }

            .feature-row {
                padding: 20px 16px;
                border-radius: 14px;
            }

            .news-feature-body {
                padding: 20px 16px;
            }

            .news-list-item {
                padding: 14px 14px;
                gap: 10px;
            }

            .news-list-num {
                display: none;
            }

            .footer-col {
                flex: 0 0 50%;
                max-width: 50%;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.6s ease both;
        }

        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }

/* roulang page: category1 */
/* ===== Design Tokens ===== */
        :root {
            --brand-green: #147D57;
            --brand-green-hover: #16996B;
            --brand-green-light: #E9F5F0;
            --brand-green-soft: #F1F8F5;
            --accent-orange: #F2672E;
            --accent-orange-hover: #E0551F;
            --ink-dark: #13201B;
            --text-primary: #1F2A24;
            --text-secondary: #5C6B63;
            --bg-body: #F7F8F5;
            --bg-card: #FFFFFF;
            --border-line: #E4EAE6;
            --success: #1E9D5A;
            --white: #FFFFFF;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-soft: 0 4px 20px rgba(19, 32, 27, 0.06);
            --shadow-hover: 0 8px 30px rgba(19, 32, 27, 0.10);
            --transition: 0.2s ease;
            --font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== Base Reset ===== */
        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 1rem;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.75rem);
            font-weight: 800;
            line-height: 1.25;
        }

        h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
        }

        h3 {
            font-size: 1.15rem;
            font-weight: 700;
        }

        p {
            margin-top: 0;
            margin-bottom: 18px;
        }

        .text-center {
            text-align: center;
        }

        .section-padding {
            padding-top: clamp(3.5rem, 7vw, 6rem);
            padding-bottom: clamp(3.5rem, 7vw, 6rem);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-line);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(19, 32, 27, 0.08);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-green);
            color: var(--white);
            border-radius: 10px;
            font-size: 1.05rem;
            font-weight: 800;
            letter-spacing: 0;
        }

        .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--ink-dark);
            letter-spacing: 0.02em;
        }

        .brand-text span {
            color: var(--brand-green);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--brand-green);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform var(--transition);
        }

        .nav-link:hover {
            color: var(--brand-green);
        }

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

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

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #F1F4F1;
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            padding: 8px 14px;
            width: 220px;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--brand-green);
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(20, 125, 87, 0.12);
        }

        .search-box i {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 0.875rem;
            color: var(--text-primary);
            min-width: 0;
        }

        .search-box input::placeholder {
            color: #9AA8A0;
        }

        .search-kbd {
            font-size: 0.7rem;
            background: var(--white);
            border: 1px solid var(--border-line);
            border-radius: 4px;
            padding: 2px 6px;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .nav-icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            color: var(--text-primary);
            transition: all var(--transition);
        }

        .nav-icon-btn:hover {
            background: var(--brand-green-light);
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            line-height: 1.6;
        }

        .btn-primary {
            background: var(--brand-green);
            border-color: var(--brand-green);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(20, 125, 87, 0.25);
        }

        .btn-primary:hover {
            background: var(--brand-green-hover);
            border-color: var(--brand-green-hover);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(20, 125, 87, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(20, 125, 87, 0.20);
        }

        .btn-outline {
            background: transparent;
            border-color: #D8E2DC;
            color: var(--brand-green);
        }

        .btn-outline:hover {
            border-color: var(--brand-green);
            background: var(--brand-green-light);
            color: var(--brand-green);
        }

        .btn-orange {
            background: var(--accent-orange);
            border-color: var(--accent-orange);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(242, 103, 46, 0.25);
        }

        .btn-orange:hover {
            background: var(--accent-orange-hover);
            border-color: var(--accent-orange-hover);
            color: var(--white);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.875rem;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 1rem;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-sm);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(120deg, #F7F8F5 0%, #E9F5F0 100%);
            padding: clamp(3rem, 6vw, 5rem) 0;
            overflow: hidden;
        }

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

        .category-hero-content {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .category-hero-text {
            flex: 1;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid rgba(20, 125, 87, 0.25);
            color: var(--brand-green);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 100px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .category-hero-text h1 {
            margin-bottom: 16px;
        }

        .category-hero-text .lead {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .category-hero-meta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .category-hero-image {
            flex: 0 0 430px;
            position: relative;
        }

        .category-hero-image .image-wrap {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-hover);
        }

        .category-hero-image .image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-float-card {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid var(--border-line);
        }

        .hero-float-card .float-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1;
            font-feature-settings: "tnum";
        }

        .hero-float-card .float-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.3;
        }

        /* ===== Section Headers ===== */
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto clamp(2.5rem, 5vw, 4rem);
        }

        .section-header .section-eyebrow {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--brand-green);
            background: var(--brand-green-light);
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-header h2 {
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 0;
        }

        /* ===== Content Feature Rows ===== */
        .feature-rows {
            background: var(--white);
        }

        .feature-row {
            display: flex;
            align-items: center;
            gap: 56px;
            margin-bottom: 48px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row-text {
            flex: 1;
        }

        .feature-row-text h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .feature-row-text h3 i {
            color: var(--brand-green);
            font-size: 1.1rem;
        }

        .feature-row-text p {
            color: var(--text-secondary);
        }

        .feature-row-image {
            flex: 0 0 46%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-line);
        }

        .feature-row-image img {
            width: 100%;
            aspect-ratio: 16/11;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-row-image:hover img {
            transform: scale(1.02);
        }

        .feature-list {
            padding: 0;
            margin: 16px 0 0;
        }

        .feature-list { 
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px 20px;
        }

        .feature-list li {
            font-size: 0.9rem;
            color: var(--text-primary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .feature-list li i {
            color: var(--success);
            font-size: 0.8rem;
            margin-top: 4px;
        }

        /* ===== Service Cards ===== */
        .service-cards-section {
            background: var(--bg-body);
        }

        .service-card {
            background: var(--white);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-green);
            transform: translateY(-4px);
        }

        .service-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: var(--brand-green-light);
            color: var(--brand-green);
            border-radius: 14px;
            font-size: 1.3rem;
            margin-bottom: 18px;
        }

        .service-card h3 {
            margin-bottom: 10px;
        }

        .service-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        .service-card ul {
            padding: 0;
            list-style: none;
            margin: 14px 0 0;
        }

        .service-card ul li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 4px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .service-card ul li i {
            color: var(--accent-orange);
            font-size: 0.7rem;
            margin-top: 5px;
        }

        /* ===== Process Timeline ===== */
        .process-section {
            background: var(--white);
        }

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

        .process-step {
            position: relative;
            padding: 32px 20px 20px;
            background: var(--bg-body);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            text-align: left;
            transition: all var(--transition);
        }

        .process-step:hover {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-hover);
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-orange);
            letter-spacing: 0.08em;
        }

        .process-step h3 {
            font-size: 1.05rem;
            margin: 12px 0 8px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Cases ===== */
        .cases-section {
            background: var(--bg-body);
        }

        .case-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-line);
            height: 100%;
            transition: all var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-green);
            transform: translateY(-4px);
        }

        .case-card-image {
            overflow: hidden;
            aspect-ratio: 16/10;
            position: relative;
        }

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

        .case-card:hover .case-card-image img {
            transform: scale(1.03);
        }

        .case-card-body {
            padding: 22px 20px;
        }

        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--brand-green-light);
            color: var(--brand-green);
            border-radius: 100px;
            padding: 4px 12px;
            margin-bottom: 12px;
        }

        .case-card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .case-card-body p {
            color: var(--text-secondary);
            font-size: 0.875rem;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-result {
            display: flex;
            gap: 20px;
            border-top: 1px solid var(--border-line);
            padding-top: 14px;
        }

        .case-result .result-item {
            flex: 1;
        }

        .case-result .result-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .case-result .result-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

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

        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.active {
            border-color: var(--brand-green);
            background: var(--brand-green-soft);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            user-select: none;
            gap: 16px;
        }

        .faq-question .faq-icon {
            font-size: 1rem;
            color: var(--brand-green);
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease, padding 0.25s ease;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
            padding: 0 22px 18px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--ink-dark);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(20, 125, 87, 0.4) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: var(--white);
            margin-bottom: 16px;
        }

        .cta-content p {
            color: #C8D3CC;
            margin-bottom: 30px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .cta-form input {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: var(--white);
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
            flex: 1;
            min-width: 180px;
        }

        .cta-form input::placeholder {
            color: #8FA095;
        }

        .cta-form input:focus {
            border-color: var(--brand-green);
            background: rgba(255,255,255,0.12);
            box-shadow: 0 0 0 3px rgba(20, 125, 87, 0.3);
        }

        .cta-form .btn {
            flex-shrink: 0;
        }

        .cta-privacy {
            font-size: 0.8rem;
            color: #8FA095;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink-dark);
            color: #C8D3CC;
            padding: 60px 0 0;
            font-size: 0.9rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.15);
        }

        .footer-brand-text {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--white);
        }

        .footer-desc {
            color: #8FA095;
            line-height: 1.7;
            font-size: 0.875rem;
        }

        .footer-col {
            margin-bottom: 30px;
        }

        .footer-title {
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            color: #8FA095;
            font-size: 0.875rem;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-links a:hover {
            color: var(--white);
            padding-left: 6px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            color: #8FA095;
            font-size: 0.875rem;
        }

        .footer-contact div {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--brand-green);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-bottom p {
            margin-bottom: 0;
            font-size: 0.8rem;
            color: #6C7A72;
        }

        .footer-bottom .beian {
            color: #6C7A72;
        }

        /* ===== Category Section Specific ===== */
        .category-intro {
            background: var(--white);
        }

        .category-serve-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .category-serve-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            color: var(--text-primary);
            font-size: 0.9rem;
        }

        .category-serve-list li i {
            color: var(--brand-green);
            margin-top: 4px;
        }

        .category-extra-section {
            background: var(--brand-green-light);
        }

        .inline-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            text-align: center;
            margin-top: 40px;
        }

        .inline-stat {
            padding: 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-line);
        }

        .inline-stat .num {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--accent-orange);
            font-feature-settings: "tnum";
        }

        .inline-stat .label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: 0 8px 30px rgba(0,0,0,0.08);
                border-bottom: 1px solid var(--border-line);
                display: none;
                z-index: 999;
            }

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

            .nav-toggle {
                display: inline-flex;
            }

            .search-box {
                display: none;
            }

            .nav-icon-btn {
                display: none;
            }

            .category-hero-content {
                flex-direction: column;
            }

            .category-hero-image {
                flex: none;
                width: 100%;
                max-width: 100%;
            }

            .feature-row {
                flex-direction: column;
                gap: 32px;
            }

            .feature-row:nth-child(even) {
                flex-direction: column-reverse;
            }

            .feature-row-image {
                flex: none;
                width: 100%;
            }

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

            .inline-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .inline-stat {
                padding: 16px 12px;
            }
        }

        @media (max-width: 767.98px) {
            .site-nav {
                height: 64px;
            }

            .brand-text {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }

            .category-hero {
                padding-top: 2.5rem;
                padding-bottom: 3.5rem;
            }

            .category-hero-text h1 {
                font-size: 1.6rem;
            }

            .category-hero-text .lead {
                font-size: 1rem;
            }

            .category-hero-meta {
                flex-direction: column;
                align-items: flex-start;
            }

            .feature-list {
                grid-template-columns: 1fr;
            }

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

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

            .cta-form {
                flex-direction: column;
            }

            .cta-form input {
                width: 100%;
                min-width: 0;
            }

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

            .case-result {
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .nav-actions .btn {
                display: none;
            }

            .nav-actions {
                gap: 8px;
            }

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

            .hero-float-card {
                left: 12px;
                bottom: -16px;
                padding: 12px 16px;
            }
        }

/* roulang page: article */
:root{
    --brand-green:#147D57;
    --brand-green-light:#E9F5F0;
    --brand-green-dark:#0E6043;
    --accent-orange:#F2672E;
    --ink-dark:#13201B;
    --text-primary:#1F2A24;
    --text-secondary:#5C6B63;
    --bg-body:#F7F8F5;
    --bg-card:#FFFFFF;
    --border-line:#E4EAE6;
    --success:#1E9D5A;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-sm:8px;
    --shadow-card:0 4px 20px rgba(19,32,27,0.06);
    --shadow-hover:0 8px 30px rgba(19,32,27,0.10);
    --shadow-btn:0 4px 14px rgba(20,125,87,0.25);
    --transition:0.25s ease;
    --nav-height:72px;
    --font-sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    font-family:var(--font-sans);
    font-size:1rem;
    line-height:1.7;
    color:var(--text-primary);
    background:var(--bg-body);
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    font-feature-settings:"tnum";
}
a{color:var(--brand-green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-green-dark);}
img{max-width:100%;height:auto;}
button,input,select,textarea{font-family:inherit;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ============ 顶部导航 ============ */
.site-header{
    position:sticky;top:0;z-index:1000;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(228,234,230,.72);
    transition:box-shadow .3s ease,background .3s ease;
}
.site-header.scrolled{
    box-shadow:0 4px 20px rgba(19,32,27,.06);
    background:rgba(255,255,255,.98);
}
.site-nav{
    display:flex;align-items:center;justify-content:space-between;
    height:var(--nav-height);gap:24px;
}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-icon{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;background:var(--brand-green);color:#fff;
    font-size:20px;font-weight:800;border-radius:10px;
    box-shadow:0 4px 10px rgba(20,125,87,.3);
}
.brand-text{font-size:1.35rem;font-weight:800;color:var(--ink-dark);letter-spacing:-.01em;}
.brand-text span{color:var(--brand-green);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;margin-left:20px;}
.nav-link{
    position:relative;display:inline-flex;align-items:center;
    padding:8px 16px;font-size:.95rem;font-weight:600;
    color:var(--text-secondary);border-radius:8px;
    transition:all .2s ease;
}
.nav-link:hover{color:var(--brand-green);background:var(--brand-green-light);}
.nav-link.active{color:var(--brand-green);background:var(--brand-green-light);}
.nav-link.active::after{
    content:'';position:absolute;left:16px;right:16px;bottom:2px;
    height:2px;background:var(--brand-green);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-box{
    display:flex;align-items:center;gap:8px;width:220px;height:40px;
    padding:0 12px;background:#F1F4F1;border:1px solid transparent;
    border-radius:10px;color:var(--text-secondary);cursor:pointer;
    transition:all .25s ease;
}
.search-box:focus-within{
    border-color:var(--brand-green);background:#fff;
    box-shadow:0 0 0 3px rgba(20,125,87,.12);
}
.search-box input{
    flex:1;border:none;background:transparent;font-size:.85rem;
    color:var(--text-primary);outline:none;min-width:0;
}
.search-box input::placeholder{color:#9AA8A0;}
.search-kbd{
    font-size:.7rem;color:#9AA8A0;background:#E4EAE6;
    padding:2px 6px;border-radius:4px;font-weight:600;white-space:nowrap;
}
.nav-icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;color:var(--text-secondary);
    background:#F1F4F1;transition:all .2s ease;
}
.nav-icon-btn:hover{color:var(--brand-green);background:var(--brand-green-light);}
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-weight:600;border-radius:var(--radius-btn);border:none;
    transition:all .25s ease;cursor:pointer;
}
.btn-primary{
    --bs-btn-bg:var(--brand-green);
    --bs-btn-border-color:var(--brand-green);
    --bs-btn-hover-bg:#16996B;
    --bs-btn-hover-border-color:#16996B;
    --bs-btn-active-bg:var(--brand-green-dark);
    --bs-btn-active-border-color:var(--brand-green-dark);
    --bs-btn-disabled-bg:#8BC0A8;
    --bs-btn-disabled-border-color:#8BC0A8;
    background:var(--brand-green);color:#fff;padding:10px 22px;
    box-shadow:var(--shadow-btn);
}
.btn-primary:hover{background:#16996B;color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(20,125,87,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(20,125,87,.25);}
.btn-outline{
    background:transparent;color:var(--brand-green);
    border:1.5px solid #D8E2DC;padding:10px 22px;
}
.btn-outline:hover{border-color:var(--brand-green);background:var(--brand-green-light);color:var(--brand-green);}
.btn-outline-light{
    background:transparent;color:#fff;
    border:1.5px solid rgba(255,255,255,.6);padding:10px 22px;
}
.btn-outline-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}
.btn-orange{
    background:var(--accent-orange);color:#fff;padding:10px 22px;
    box-shadow:0 4px 14px rgba(242,103,46,.25);
}
.btn-orange:hover{background:#E05A24;color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(242,103,46,.35);}
.btn-sm{padding:8px 16px;font-size:.9rem;}
.nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;border:1px solid var(--border-line);
    background:#fff;color:var(--text-primary);font-size:1rem;cursor:pointer;
}

/* ============ 文章详情头部 ============ */
.article-hero{
    padding:30px 0 44px;
    background:linear-gradient(160deg,#F0F7F4 0%,var(--bg-body) 100%);
    border-bottom:1px solid var(--border-line);
    position:relative;
    overflow:hidden;
}
.article-hero::before{
    content:'';position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    opacity:.045;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:0;
    margin:0;padding:0;list-style:none;font-size:.85rem;color:var(--text-secondary);
}
.breadcrumb-item a{color:var(--text-secondary);transition:color .2s;}
.breadcrumb-item a:hover{color:var(--brand-green);}
.breadcrumb-item.active{color:var(--brand-green);font-weight:500;max-width:480px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.breadcrumb-item+.breadcrumb-item::before{
    content:'/';color:#C2CDC6;margin:0 8px;padding:0;
}
.article-hero-inner{max-width:780px;margin:0 auto;padding-top:28px;}
.article-hero-inner h1{
    font-size:clamp(1.6rem,3.2vw,2.4rem);
    line-height:1.3;font-weight:800;color:var(--ink-dark);
    letter-spacing:0;margin:0 0 20px;
}
.article-meta{
    display:flex;align-items:center;flex-wrap:wrap;gap:16px;
    padding-top:16px;border-top:1px solid rgba(228,234,230,.7);
}
.meta-item{
    display:inline-flex;align-items:center;gap:6px;
    font-size:.875rem;color:var(--text-secondary);
}
.meta-item i{color:var(--brand-green);font-size:.9rem;}

/* ============ 正文区域 ============ */
.article-body-section{padding:40px 0 20px;}
.article-content{
    max-width:780px;margin:0 auto;
    background:var(--bg-card);border-radius:var(--radius-card);
    padding:44px 48px;box-shadow:var(--shadow-card);
    border:1px solid var(--border-line);
    font-size:1rem;line-height:1.8;color:var(--text-primary);
    word-break:break-word;
}
.article-content h2{
    font-size:1.45rem;font-weight:700;color:var(--ink-dark);
    margin:2.2rem 0 1rem;padding-bottom:.55rem;
    border-bottom:2px solid var(--brand-green-light);
    letter-spacing:0;
}
.article-content h3{
    font-size:1.2rem;font-weight:700;color:var(--ink-dark);
    margin:1.8rem 0 .8rem;
}
.article-content h4{
    font-size:1.06rem;font-weight:700;color:var(--ink-dark);
    margin:1.5rem 0 .6rem;
}
.article-content p{margin-bottom:1.25rem;line-height:1.8;}
.article-content ul,.article-content ol{margin:0 0 1.25rem 1.25rem;padding:0;line-height:1.8;}
.article-content li{margin-bottom:.5rem;}
.article-content blockquote{
    border-left:4px solid var(--brand-green);background:var(--brand-green-light);
    padding:16px 22px;border-radius:0 10px 10px 0;
    margin:1.5rem 0;color:var(--text-secondary);
}
.article-content img{
    max-width:100%;height:auto;border-radius:16px;margin:1.5rem 0;
}
.article-content a{color:var(--brand-green);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand-green-dark);}
.article-content table{
    width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.925rem;
}
.article-content th,.article-content td{
    border:1px solid var(--border-line);padding:12px 14px;text-align:left;
}
.article-content th{background:var(--brand-green-light);font-weight:600;color:var(--ink-dark);}
.article-content code{
    background:#F1F4F1;padding:2px 8px;border-radius:6px;
    font-size:.875em;color:var(--brand-green-dark);
    font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;
}
.article-content pre{
    background:var(--ink-dark);color:#E9F5F0;padding:22px;border-radius:12px;
    overflow-x:auto;font-size:.9rem;line-height:1.65;margin:1.5rem 0;
}
.article-content pre code{background:transparent;color:inherit;padding:0;}
.article-content figure{margin:1.5rem 0;}
.article-content figcaption{text-align:center;font-size:.85rem;color:var(--text-secondary);margin-top:8px;}
.article-content video,.article-content iframe{max-width:100%;border-radius:16px;margin:1.5rem 0;border:none;}
.article-content hr{
    border:none;border-top:1px solid var(--border-line);margin:2rem 0;
}

/* ============ 文末标签与分享 ============ */
.article-end-section{padding:28px 0 8px;}
.article-end-inner{
    max-width:780px;margin:0 auto;
    display:flex;align-items:center;justify-content:space-between;
    flex-wrap:wrap;gap:16px;
    padding:22px 4px;border-top:1px solid var(--border-line);
    border-bottom:1px solid var(--border-line);
}
.article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px;}
.tag-label{font-size:.85rem;color:var(--text-secondary);font-weight:600;margin-right:4px;}
.tag-chip{
    display:inline-flex;align-items:center;padding:6px 14px;
    background:var(--brand-green-light);color:var(--brand-green);
    border-radius:20px;font-size:.8rem;font-weight:500;
    transition:all .2s ease;
}
.tag-chip:hover{background:var(--brand-green);color:#fff;transform:translateY(-1px);}
.article-share{display:flex;align-items:center;gap:8px;}
.share-label{font-size:.85rem;color:var(--text-secondary);font-weight:600;}
.share-icon{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border-radius:10px;background:#F1F4F1;
    color:var(--text-secondary);transition:all .2s ease;
}
.share-icon:hover{background:var(--brand-green);color:#fff;transform:translateY(-2px);}

/* ============ 上一篇 / 下一篇 ============ */
.article-pagination-section{padding:32px 0 44px;}
.article-pagination-inner{max-width:780px;margin:0 auto;display:flex;gap:16px;}
.article-pagination-inner .col{flex:1;min-width:0;}
.prev-link,.next-link{
    display:flex;align-items:center;gap:10px;
    padding:16px 20px;background:var(--bg-card);
    border:1px solid var(--border-line);border-radius:var(--radius-card);
    color:var(--text-primary);font-size:.9rem;font-weight:500;
    box-shadow:var(--shadow-card);transition:all .25s ease;
    width:100%;overflow:hidden;
}
.prev-link i,.next-link i{flex-shrink:0;color:var(--brand-green);font-size:.85rem;}
.prev-link span,.next-link span{
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;
}
.prev-link:hover,.next-link:hover{
    border-color:var(--brand-green);color:var(--brand-green);
    transform:translateY(-2px);box-shadow:var(--shadow-hover);
}

/* ============ 相关阅读 ============ */
.related-section{padding:52px 0 60px;background:var(--bg-body);}
.section-header{
    display:flex;align-items:center;justify-content:space-between;
    margin-bottom:32px;
}
.section-header h2{
    font-size:clamp(1.35rem,2.4vw,1.8rem);font-weight:800;
    color:var(--ink-dark);margin:0;letter-spacing:0;
}
.section-more{
    display:inline-flex;align-items:center;gap:6px;font-size:.9rem;
    font-weight:600;color:var(--brand-green);padding:8px 16px;
    border-radius:8px;transition:all .2s ease;
}
.section-more:hover{background:var(--brand-green-light);color:var(--brand-green-dark);}
.related-card{
    background:var(--bg-card);border:1px solid var(--border-line);
    border-radius:var(--radius-card);overflow:hidden;
    box-shadow:var(--shadow-card);transition:all .25s ease;
    height:100%;display:flex;flex-direction:column;
}
.related-card:hover{
    box-shadow:var(--shadow-hover);transform:translateY(-4px);
    border-color:var(--brand-green);
}
.related-card .card-img-wrap{position:relative;overflow:hidden;aspect-ratio:16/10;}
.related-card .card-img{
    width:100%;height:100%;object-fit:cover;display:block;
    transition:transform .45s ease;
}
.related-card:hover .card-img{transform:scale(1.05);}
.related-card .card-body{
    padding:20px 22px;flex:1;display:flex;flex-direction:column;gap:8px;
}
.related-card .card-tag{
    display:inline-flex;align-items:center;align-self:flex-start;
    padding:4px 12px;background:var(--brand-green-light);
    color:var(--brand-green);font-size:.75rem;font-weight:600;
    border-radius:20px;
}
.related-card h3{
    font-size:1.05rem;font-weight:700;color:var(--ink-dark);
    line-height:1.45;margin:0;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card p{
    font-size:.875rem;color:var(--text-secondary);line-height:1.6;margin:0;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card .card-meta{
    display:flex;align-items:center;gap:12px;
    margin-top:auto;padding-top:12px;border-top:1px solid var(--border-line);
    font-size:.8rem;color:var(--text-secondary);
}
.related-card .card-meta i{color:var(--brand-green);font-size:.8rem;}

/* ============ 空态 ============ */
.article-empty-section{padding:80px 0 70px;}
.empty-state{
    max-width:500px;margin:0 auto;text-align:center;
    background:var(--bg-card);border:1px solid var(--border-line);
    border-radius:var(--radius-card);padding:64px 44px;
    box-shadow:var(--shadow-card);
}
.empty-state i{
    font-size:3rem;color:var(--brand-green);opacity:.35;margin-bottom:20px;
}
.empty-state p{
    font-size:1.15rem;color:var(--text-secondary);margin-bottom:28px;
}

/* ============ CTA 区域 ============ */
.cta-section{
    background:linear-gradient(120deg,var(--ink-dark) 0%,#1E3A2D 100%);
    padding:64px 0;position:relative;overflow:hidden;
}
.cta-section::before{
    content:'';position:absolute;top:-80px;right:-60px;
    width:320px;height:320px;border-radius:50%;
    background:rgba(20,125,87,.28);filter:blur(70px);
}
.cta-section::after{
    content:'';position:absolute;bottom:-60px;left:-40px;
    width:220px;height:220px;border-radius:50%;
    background:rgba(242,103,46,.12);filter:blur(60px);
}
.cta-inner{
    max-width:760px;margin:0 auto;text-align:center;
    position:relative;z-index:1;
}
.cta-inner h2{
    color:#fff;font-size:clamp(1.4rem,2.5vw,2rem);
    font-weight:700;margin-bottom:14px;letter-spacing:0;
}
.cta-inner p{
    color:rgba(255,255,255,.72);font-size:1rem;
    margin-bottom:30px;line-height:1.7;
}
.cta-buttons{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
    background:var(--ink-dark);color:#C8D3CC;padding:64px 0 0;font-size:.9rem;
}
.footer-col{margin-bottom:28px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-text{font-size:1.2rem;font-weight:800;color:#fff;letter-spacing:0;}
.footer-desc{
    color:#A7B5AE;line-height:1.7;margin-bottom:0;
    font-size:.875rem;max-width:320px;
}
.footer-title{
    color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px;
    position:relative;padding-bottom:10px;
}
.footer-title::after{
    content:'';position:absolute;left:0;bottom:0;
    width:24px;height:2px;background:var(--accent-orange);border-radius:2px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#A7B5AE;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact div{
    display:flex;align-items:flex-start;gap:10px;color:#A7B5AE;
    margin-bottom:12px;font-size:.875rem;line-height:1.6;
}
.footer-contact i{color:var(--brand-green);width:18px;text-align:center;flex-shrink:0;margin-top:3px;}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:20px 0;display:flex;align-items:center;
    justify-content:space-between;flex-wrap:wrap;gap:8px;
    font-size:.8rem;color:#7E8F87;
}
.footer-bottom p{margin:0;}
.beian{color:#7E8F87;}

/* ============ Toast ============ */
.search-toast{
    position:fixed;bottom:40px;left:50%;transform:translateX(-50%) translateY(16px);
    background:var(--ink-dark);color:#fff;padding:14px 28px;
    border-radius:12px;font-size:.9rem;z-index:9999;
    opacity:0;pointer-events:none;transition:all .3s ease;
    box-shadow:0 10px 30px rgba(19,32,27,.3);
}
.search-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:991.98px){
    .nav-toggle{display:inline-flex;}
    .nav-links{
        display:none;position:absolute;top:100%;left:0;right:0;
        background:#fff;flex-direction:column;align-items:stretch;
        padding:16px 20px;margin:0;
        border-bottom:1px solid var(--border-line);
        box-shadow:0 20px 30px rgba(19,32,27,.10);
        z-index:999;
    }
    .nav-links.open{display:flex;}
    .nav-link{padding:14px 16px;width:100%;}
    .nav-link.active::after{display:none;}
    .search-box{display:none;}
    .nav-actions{gap:8px;}
    .article-pagination-inner{flex-direction:column;gap:12px;}
}
@media (max-width:767.98px){
    .site-nav{gap:12px;}
    .nav-icon-btn{display:none;}
    .article-content{padding:28px 22px;}
    .article-hero{padding:22px 0 32px;}
    .article-hero-inner{padding-top:20px;}
    .article-meta{gap:10px;}
    .related-section{padding:40px 0 48px;}
    .cta-section{padding:48px 0;}
    .site-footer{padding-top:48px;}
}
@media (max-width:575.98px){
    .nav-actions .btn-primary{display:none;}
    .container{padding-left:16px;padding-right:16px;}
    .brand-text{font-size:1.15rem;}
    .article-content{padding:24px 18px;border-radius:14px;}
    .article-content h2{font-size:1.3rem;}
    .article-end-inner{flex-direction:column;align-items:flex-start;}
    .article-share{width:100%;justify-content:flex-end;}
    .prev-link,.next-link{font-size:.85rem;padding:14px 16px;}
    .section-header{margin-bottom:24px;}
}

/* roulang page: category2 */
:root {
        --brand-green: #147D57;
        --brand-green-light: #E9F5F0;
        --accent-orange: #F2672E;
        --ink-dark: #13201B;
        --text-primary: #1F2A24;
        --text-secondary: #5C6B63;
        --bg-body: #F7F8F5;
        --bg-card: #FFFFFF;
        --border-line: #E4EAE6;
        --success: #1E9D5A;
        --radius-lg: 16px;
        --radius-md: 10px;
        --radius-sm: 8px;
        --shadow-sm: 0 4px 20px rgba(19, 32, 27, 0.06);
        --shadow-md: 0 8px 30px rgba(19, 32, 27, 0.10);
        --font-main: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --transition: 0.2s ease;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: var(--font-main);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-body);
        letter-spacing: 0.01em;
    }
    img {
        max-width: 100%;
        height: auto;
    }
    a {
        color: var(--brand-green);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: #0F6B49;
    }
    button,
    input {
        font-family: inherit;
    }
    .container {
        max-width: 1200px;
    }

    /* ===== 导航 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid transparent;
        transition: box-shadow 0.3s ease, background 0.3s ease;
    }
    .site-header.scrolled {
        background: #ffffff;
        box-shadow: 0 4px 20px rgba(19, 32, 27, 0.06);
        border-bottom-color: var(--border-line);
    }
    .site-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 24px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .brand-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--brand-green);
        color: #fff;
        font-size: 18px;
        font-weight: 800;
        border-radius: 10px;
    }
    .brand-text {
        font-size: 20px;
        font-weight: 800;
        color: var(--ink-dark);
    }
    .brand-text span {
        color: var(--brand-green);
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
        flex: 1;
        margin-left: 24px;
    }
    .nav-link {
        padding: 8px 14px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-primary);
        border-radius: 8px;
        position: relative;
        transition: var(--transition);
        white-space: nowrap;
    }
    .nav-link::after {
        content: "";
        position: absolute;
        bottom: 2px;
        left: 14px;
        right: 14px;
        height: 2px;
        background: var(--brand-green);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.25s ease;
        border-radius: 1px;
    }
    .nav-link:hover {
        color: var(--brand-green);
    }
    .nav-link:hover::after {
        transform: scaleX(1);
    }
    .nav-link.active {
        color: var(--brand-green);
        font-weight: 600;
    }
    .nav-link.active::after {
        transform: scaleX(1);
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .search-box {
        display: flex;
        align-items: center;
        gap: 8px;
        background: #F1F4F1;
        border: 1px solid transparent;
        border-radius: var(--radius-md);
        padding: 8px 14px;
        width: 220px;
        transition: var(--transition);
        cursor: text;
    }
    .search-box:focus-within {
        border-color: var(--brand-green);
        background: #fff;
        box-shadow: 0 0 0 3px rgba(20, 125, 87, 0.12);
    }
    .search-box i {
        color: var(--text-secondary);
        font-size: 14px;
    }
    .search-box input {
        border: 0;
        background: transparent;
        outline: none;
        width: 100%;
        font-size: 14px;
        color: var(--text-primary);
    }
    .search-box input::placeholder {
        color: #9AA6A0;
    }
    .search-kbd {
        font-size: 12px;
        color: #9AA6A0;
        border: 1px solid var(--border-line);
        border-radius: 4px;
        padding: 1px 6px;
        background: #fff;
        font-family: inherit;
        flex-shrink: 0;
    }
    .nav-icon-btn {
        width: 40px;
        height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-md);
        color: var(--text-secondary);
        border: 1px solid var(--border-line);
        background: #fff;
        transition: var(--transition);
    }
    .nav-icon-btn:hover {
        color: var(--brand-green);
        border-color: var(--brand-green);
    }
    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-line);
        background: #fff;
        font-size: 18px;
        color: var(--text-secondary);
        cursor: pointer;
    }

    /* ===== 按钮 ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: var(--radius-md);
        font-size: 15px;
        font-weight: 600;
        padding: 10px 22px;
        transition: var(--transition);
        cursor: pointer;
        line-height: 1.5;
    }
    .btn-primary {
        background: var(--brand-green);
        border: 1px solid var(--brand-green);
        color: #fff !important;
        box-shadow: 0 4px 14px rgba(20, 125, 87, 0.25);
    }
    .btn-primary:hover {
        background: #16996B;
        border-color: #16996B;
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(20, 125, 87, 0.30);
        color: #fff !important;
    }
    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(20, 125, 87, 0.25);
    }
    .btn-outline {
        background: transparent;
        border: 1px solid #D8E2DC;
        color: var(--brand-green);
    }
    .btn-outline:hover {
        border-color: var(--brand-green);
        background: var(--brand-green-light);
        color: var(--brand-green);
    }
    .btn-sm {
        padding: 9px 18px;
        font-size: 14px;
    }
    .btn-lg {
        padding: 14px 32px;
        font-size: 16px;
        border-radius: 12px;
    }

    /* ===== 页面 Hero ===== */
    .page-hero {
        position: relative;
        background: linear-gradient(120deg, #F7F8F5 0%, #E9F5F0 100%);
        padding: 80px 0 64px;
        overflow: hidden;
    }
    .page-hero .container {
        position: relative;
        z-index: 2;
    }
    .hero-row {
        display: flex;
        align-items: center;
        gap: 48px;
    }
    .hero-content {
        flex: 1 1 55%;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(20, 125, 87, 0.08);
        color: var(--brand-green);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: 100px;
        margin-bottom: 16px;
    }
    .hero-badge .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent-orange);
    }
    .hero-title {
        font-size: clamp(1.75rem, 3.5vw, 2.75rem);
        line-height: 1.25;
        font-weight: 800;
        color: var(--ink-dark);
        margin-bottom: 16px;
        letter-spacing: 0;
    }
    .hero-subtitle {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-secondary);
        margin-bottom: 28px;
        max-width: 560px;
    }
    .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        margin-bottom: 24px;
    }
    .hero-trust {
        display: flex;
        gap: 24px;
        flex-wrap: wrap;
        padding-top: 16px;
        border-top: 1px solid var(--border-line);
    }
    .hero-trust span {
        font-size: 14px;
        color: var(--text-secondary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .hero-trust i {
        color: var(--brand-green);
    }
    .hero-media {
        flex: 1 1 45%;
        position: relative;
    }
    .hero-media img {
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
        border-radius: 20px;
        box-shadow: var(--shadow-md);
    }
    .hero-data-card {
        position: absolute;
        right: -16px;
        bottom: -16px;
        background: #fff;
        border-radius: 14px;
        padding: 16px 22px;
        box-shadow: var(--shadow-md);
        display: flex;
        align-items: center;
        gap: 14px;
        border: 1px solid var(--border-line);
    }
    .hero-data-card .value {
        font-size: 28px;
        font-weight: 800;
        color: var(--accent-orange);
        line-height: 1;
        font-feature-settings: "tnum";
    }
    .hero-data-card .label {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.4;
    }

    /* ===== 通用 Section ===== */
    .section {
        padding: 72px 0;
    }
    .section-label {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        color: var(--brand-green);
        letter-spacing: 0.08em;
        text-transform: uppercase;
        margin-bottom: 10px;
        padding: 4px 12px;
        background: var(--brand-green-light);
        border-radius: 100px;
    }
    .section-title {
        font-size: clamp(1.4rem, 2.5vw, 2rem);
        font-weight: 700;
        color: var(--ink-dark);
        margin-bottom: 12px;
        line-height: 1.3;
    }
    .section-desc {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 620px;
        line-height: 1.8;
    }

    /* ===== 数据指标条 ===== */
    .stats-bar {
        background: var(--brand-green);
        padding: 44px 0;
        color: #fff;
    }
    .stats-item {
        text-align: center;
        padding: 8px 12px;
    }
    .stats-item .num {
        font-size: clamp(2rem, 4vw, 2.8rem);
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
        font-feature-settings: "tnum";
    }
    .stats-item .num span {
        color: #A8E6C8;
    }
    .stats-item .txt {
        font-size: 14px;
        opacity: 0.85;
        margin-top: 4px;
    }

    /* ===== 特性区 ===== */
    .feature-row {
        display: flex;
        align-items: center;
        gap: 48px;
        margin-bottom: 56px;
    }
    .feature-row:last-child {
        margin-bottom: 0;
    }
    .feature-row.reverse {
        flex-direction: row-reverse;
    }
    .feature-media {
        flex: 1 1 45%;
    }
    .feature-media img {
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
        border-radius: 20px;
        box-shadow: var(--shadow-sm);
    }
    .feature-content {
        flex: 1 1 55%;
    }
    .feature-icon {
        width: 48px;
        height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background: var(--brand-green-light);
        color: var(--brand-green);
        font-size: 20px;
        margin-bottom: 16px;
    }
    .feature-content h3 {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--ink-dark);
        margin-bottom: 12px;
    }
    .feature-content p {
        color: var(--text-secondary);
        line-height: 1.8;
        margin-bottom: 16px;
    }
    .feature-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .feature-list li {
        padding-left: 24px;
        position: relative;
        margin-bottom: 8px;
        color: var(--text-primary);
        font-size: 15px;
    }
    .feature-list li::before {
        content: "\f00c";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        left: 0;
        top: 0;
        color: var(--brand-green);
        font-size: 13px;
    }

    /* ===== 场景卡片 ===== */
    .scene-card {
        background: var(--bg-card);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: var(--transition);
        height: 100%;
    }
    .scene-card:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--brand-green);
        transform: translateY(-4px);
    }
    .scene-card img {
        width: 100%;
        aspect-ratio: 16/10;
        object-fit: cover;
    }
    .scene-card-body {
        padding: 24px;
    }
    .scene-card .tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        color: var(--brand-green);
        background: var(--brand-green-light);
        padding: 4px 10px;
        border-radius: 100px;
        margin-bottom: 10px;
    }
    .scene-card h4 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--ink-dark);
        margin-bottom: 8px;
    }
    .scene-card p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== 流程步骤 ===== */
    .process-steps {
        position: relative;
        padding: 8px 0;
    }
    .process-steps::before {
        content: "";
        position: absolute;
        top: 36px;
        left: 80px;
        right: 80px;
        height: 2px;
        background: linear-gradient(90deg, var(--brand-green) 0%, var(--brand-green-light) 100%);
        z-index: 0;
        border-radius: 1px;
    }
    .step-item {
        text-align: center;
        position: relative;
        z-index: 1;
        padding: 0 8px;
    }
    .step-num {
        width: 56px;
        height: 56px;
        margin: 0 auto 16px;
        background: var(--brand-green);
        color: #fff;
        font-size: 20px;
        font-weight: 800;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 14px rgba(20, 125, 87, 0.30);
        font-feature-settings: "tnum";
        position: relative;
        z-index: 2;
    }
    .step-item h4 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--ink-dark);
        margin-bottom: 8px;
    }
    .step-item p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item.active {
        border-color: var(--brand-green);
        box-shadow: var(--shadow-sm);
    }
    .faq-q {
        padding: 18px 22px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        user-select: none;
    }
    .faq-q i {
        color: var(--brand-green);
        font-size: 14px;
        transition: transform 0.25s ease;
        flex-shrink: 0;
    }
    .faq-item.active .faq-q i {
        transform: rotate(45deg);
    }
    .faq-a {
        padding: 0 22px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }
    .faq-item.active .faq-a {
        padding: 0 22px 20px;
        max-height: 500px;
    }
    .faq-a p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0;
    }

    /* ===== CTA ===== */
    .cta-section {
        position: relative;
        background: var(--ink-dark);
        color: #fff;
        padding: 72px 0;
        overflow: hidden;
    }
    .cta-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        opacity: 0.15;
    }
    .cta-inner {
        position: relative;
        z-index: 2;
        max-width: 720px;
        margin: 0 auto;
        text-align: center;
    }
    .cta-inner h2 {
        font-size: clamp(1.4rem, 2.5vw, 2rem);
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    .cta-inner p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 28px;
    }
    .cta-actions {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
        margin-bottom: 32px;
    }
    .cta-white-btn {
        border-color: rgba(255, 255, 255, 0.4);
        color: #fff;
        background: transparent;
    }
    .cta-white-btn:hover {
        background: rgba(255, 255, 255, 0.10);
        border-color: #fff;
        color: #fff;
    }
    .cta-form {
        display: flex;
        gap: 12px;
        max-width: 620px;
        margin: 0 auto;
        flex-wrap: wrap;
    }
    .cta-input {
        border: 1px solid rgba(255, 255, 255, 0.2);
        background: rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-md);
        padding: 12px 16px;
        color: #fff;
        font-size: 15px;
        width: 100%;
        outline: none;
        transition: var(--transition);
    }
    .cta-input:focus {
        border-color: var(--accent-orange);
        background: rgba(255, 255, 255, 0.14);
        box-shadow: 0 0 0 3px rgba(242, 103, 46, 0.2);
    }
    .cta-input::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }
    .btn-warm {
        background: var(--accent-orange);
        border: 0;
        color: #fff;
        padding: 12px 28px;
        border-radius: var(--radius-md);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
        width: 100%;
    }
    .btn-warm:hover {
        background: #E0551A;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(242, 103, 46, 0.4);
        color: #fff;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--ink-dark);
        color: #C8D3CC;
        padding: 64px 0 0;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }
    .footer-brand-text {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
    }
    .footer-desc {
        font-size: 14px;
        line-height: 1.8;
        color: #9FB0A6;
        margin-bottom: 0;
        max-width: 320px;
    }
    .footer-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }
    .footer-title::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 28px;
        height: 2px;
        background: var(--accent-orange);
        border-radius: 1px;
    }
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-links a {
        color: #C8D3CC;
        font-size: 14px;
        transition: var(--transition);
    }
    .footer-links a:hover {
        color: #fff;
        padding-left: 4px;
    }
    .footer-contact div {
        font-size: 14px;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 10px;
        color: #C8D3CC;
    }
    .footer-contact i {
        color: var(--brand-green);
        width: 16px;
        text-align: center;
        flex-shrink: 0;
    }
    .footer-bottom {
        margin-top: 48px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 20px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    .footer-bottom p {
        font-size: 13px;
        color: #8FA199;
        margin: 0;
    }
    .beian {
        color: #8FA199;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 992px) {
        .nav-links {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: flex-start;
            gap: 0;
            padding: 12px 24px;
            box-shadow: 0 12px 30px rgba(19, 32, 27, 0.10);
            transform: translateY(-16px);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            border-top: 1px solid var(--border-line);
            margin-left: 0;
        }
        .nav-links.open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .nav-link {
            width: 100%;
            padding: 12px 8px;
            font-size: 16px;
        }
        .nav-link::after {
            display: none;
        }
        .nav-toggle {
            display: inline-flex;
        }
        .search-box {
            display: none;
        }
        .hero-row {
            flex-direction: column;
            gap: 32px;
        }
        .hero-content {
            flex: 1 1 auto;
        }
        .hero-media {
            flex: 1 1 auto;
            width: 100%;
        }
        .hero-data-card {
            right: 12px;
            bottom: -12px;
        }
        .feature-row,
        .feature-row.reverse {
            flex-direction: column;
            gap: 24px;
        }
        .feature-media {
            flex: 1 1 auto;
            width: 100%;
        }
        .feature-content {
            flex: 1 1 auto;
            width: 100%;
        }
        .process-steps::before {
            display: none;
        }
        .step-item {
            margin-bottom: 28px;
        }
        .cta-form .col-md-4 {
            min-width: 100%;
        }
    }
    @media (max-width: 768px) {
        .section {
            padding: 56px 0;
        }
        .page-hero {
            padding: 56px 0 48px;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .hero-trust {
            gap: 12px;
        }
        .stats-item {
            margin-bottom: 16px;
        }
        .cta-section {
            padding: 56px 0;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .site-footer {
            padding: 48px 0 0;
        }
    }
    @media (max-width: 576px) {
        .brand-text {
            font-size: 18px;
        }
        .nav-actions .btn-primary {
            display: none;
        }
        .hero-media img {
            aspect-ratio: 4/3;
        }
        .hero-data-card {
            right: 8px;
            bottom: -8px;
            padding: 12px 16px;
        }
        .hero-data-card .value {
            font-size: 22px;
        }
        .cta-inner p {
            font-size: 14px;
        }
    }

/* roulang page: category3 */
:root {
            --brand-green: #147D57;
            --brand-green-hover: #16996B;
            --brand-green-light: #E9F5F0;
            --brand-green-lighter: #F1F8F5;
            --accent-orange: #F2672E;
            --ink-dark: #13201B;
            --text-primary: #1F2A24;
            --text-secondary: #5C6B63;
            --bg-body: #F7F8F5;
            --bg-card: #FFFFFF;
            --border-line: #E4EAE6;
            --success: #1E9D5A;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 20px rgba(19, 32, 27, 0.06);
            --shadow-md: 0 8px 30px rgba(19, 32, 27, 0.10);
            --shadow-brand: 0 4px 14px rgba(20, 125, 87, 0.25);
            --shadow-orange: 0 4px 14px rgba(242, 103, 46, 0.30);
            --transition: 0.2s ease;
            --font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            letter-spacing: 0.01em;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-green-hover);
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
        }
        input,
        button,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: clamp(3.5rem, 7vw, 6rem) 0;
        }

        /* ===== Header Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .site-header.scrolled {
            background: #fff;
            border-bottom-color: rgba(228, 234, 230, 0.7);
            box-shadow: 0 8px 30px rgba(19, 32, 27, 0.05);
        }
        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-green);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            box-shadow: var(--shadow-brand);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--ink-dark);
            letter-spacing: 0;
        }
        .brand-text span {
            color: var(--brand-green);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-left: auto;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            position: relative;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--brand-green);
            transition: width 0.25s ease;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link:hover {
            color: var(--brand-green);
        }
        .nav-link.active {
            color: var(--brand-green);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #F1F4F1;
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            padding: 8px 14px;
            width: 210px;
            transition: all 0.2s ease;
        }
        .search-box:focus-within {
            background: #fff;
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(20, 125, 87, 0.12);
        }
        .search-box i {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 13px;
            color: var(--text-primary);
            min-width: 0;
        }
        .search-box input::placeholder {
            color: #9BA8A0;
        }
        .search-kbd {
            font-size: 11px;
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: 4px;
            padding: 1px 5px;
            color: var(--text-secondary);
            line-height: 1.4;
            white-space: nowrap;
        }
        .nav-icon-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: #F1F4F1;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            text-decoration: none;
            transition: all 0.2s ease;
        }
        .nav-icon-btn:hover {
            background: var(--brand-green-light);
            color: var(--brand-green);
            transform: translateY(-1px);
        }
        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            justify-content: center;
        }
        .btn-primary {
            background: var(--brand-green);
            color: #fff;
            box-shadow: var(--shadow-brand);
        }
        .btn-primary:hover {
            background: var(--brand-green-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(20, 125, 87, 0.30);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--accent-orange);
            color: #fff;
            box-shadow: var(--shadow-orange);
        }
        .btn-accent:hover {
            background: #DF5620;
            color: #fff;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--ink-dark);
            cursor: pointer;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
        }
        .nav-toggle:hover {
            background: var(--brand-green-light);
            color: var(--brand-green);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #13201B 0%, #1C3A2D 65%, #24513C 100%);
            padding: clamp(4rem, 8vw, 6rem) 0;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(20, 125, 87, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-orange) 20%, var(--brand-green) 20%, var(--brand-green) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            padding: 5px 14px;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent-orange);
            border-radius: 50%;
        }
        .page-hero h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.75rem);
            line-height: 1.25;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0;
        }
        .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 540px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }
        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust i {
            color: #7FD6AC;
        }
        .hero-image-wrap {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            aspect-ratio: 4 / 3;
            background: #1C3A2D;
        }
        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-stat-card {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            border-radius: 14px;
            padding: 12px 18px;
            display: flex;
            flex-direction: column;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        .stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }
        .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== Section Head ===== */
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-badge {
            display: inline-block;
            background: var(--brand-green-light);
            color: var(--brand-green);
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .section-head h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            line-height: 1.3;
            font-weight: 700;
            color: var(--ink-dark);
            margin-bottom: 12px;
            letter-spacing: 0;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin: 0;
        }
        .section-head.light h2 {
            color: #fff;
        }
        .section-head.light p {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-head.light .section-badge {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        /* ===== Feature Row (交错图文) ===== */
        .scope-section {
            background: var(--bg-body);
        }
        .feature-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 64px;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.2s ease;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-row:hover {
            box-shadow: var(--shadow-md);
        }
        .feature-media {
            flex: 0 0 46%;
            border-radius: 16px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-row:hover .feature-media img {
            transform: scale(1.02);
        }
        .feature-content {
            flex: 1;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            background: var(--brand-green-light);
            color: var(--brand-green);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .feature-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ink-dark);
            margin-bottom: 12px;
        }
        .feature-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-list {
            display: grid;
            gap: 8px;
        }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-primary);
        }
        .feature-list i {
            color: var(--success);
            font-size: 15px;
            flex-shrink: 0;
        }
        .feature-row.reverse .feature-media {
            order: 2;
        }
        .feature-row.reverse .feature-content {
            order: 1;
        }

        /* ===== Flow Section ===== */
        .flow-section {
            background: var(--brand-green-light);
        }
        .step-flow {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            gap: 0;
        }
        .step-item {
            flex: 1;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            border-top: 3px solid var(--brand-green);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--brand-green-light);
            line-height: 1;
            margin-bottom: 14px;
            font-feature-settings: "tnum";
        }
        .step-icon {
            width: 52px;
            height: 52px;
            background: var(--brand-green-light);
            color: var(--brand-green);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 16px;
            transition: background 0.2s ease, color 0.2s ease;
        }
        .step-item:hover .step-icon {
            background: var(--brand-green);
            color: #fff;
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink-dark);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .step-line {
            width: 40px;
            height: 2px;
            background: #CDDED4;
            margin-top: 80px;
            position: relative;
            flex-shrink: 0;
        }
        .step-line::after {
            content: '';
            position: absolute;
            right: 0;
            top: -3px;
            width: 8px;
            height: 8px;
            background: var(--accent-orange);
            border-radius: 50%;
        }

        /* ===== Scene Section ===== */
        .scene-section {
            background: var(--bg-body);
        }
        .scene-panel {
            background: linear-gradient(135deg, #13201B 0%, #1E3D2F 100%);
            border-radius: 24px;
            padding: clamp(2.5rem, 5vw, 4.5rem);
            position: relative;
            overflow: hidden;
        }
        .scene-panel::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(20, 125, 87, 0.2) 0%, transparent 70%);
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }
        .scene-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 24px;
            transition: all 0.2s ease;
        }
        .scene-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .scene-icon {
            width: 46px;
            height: 46px;
            background: rgba(242, 103, 46, 0.9);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .scene-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .scene-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Content Cards ===== */
        .card-section {
            background: var(--bg-body);
        }
        .content-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-green);
            transform: translateY(-4px);
        }
        .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .content-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(19, 32, 27, 0.8);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 6px;
            padding: 4px 10px;
            backdrop-filter: blur(4px);
        }
        .card-body {
            padding: 20px 20px 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink-dark);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }
        .card-link:hover {
            gap: 10px;
            color: var(--brand-green-hover);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
        }
        .faq-panel {
            max-width: 860px;
            margin: 0 auto;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-line);
            transition: background 0.2s ease;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item.open {
            background: var(--brand-green-lighter);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-dark);
            cursor: pointer;
            gap: 16px;
            user-select: none;
        }
        .faq-question i {
            font-size: 16px;
            color: var(--brand-green);
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #13201B 0%, #1C3A2D 100%);
            padding: clamp(3.5rem, 7vw, 5rem) 0;
        }
        .cta-panel {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: clamp(2rem, 4vw, 3.5rem);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .cta-text h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            color: #fff;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin: 0;
            line-height: 1.7;
        }
        .cta-form {
            flex-shrink: 0;
            width: 420px;
        }
        .cta-form form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 0;
            background: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            transition: box-shadow 0.2s ease;
        }
        .cta-form input:focus {
            box-shadow: 0 0 0 3px rgba(242, 103, 46, 0.25);
        }
        .cta-form input::placeholder {
            color: #9BA8A0;
        }
        .cta-form .btn-accent {
            padding: 10px 22px;
            white-space: nowrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink-dark);
            color: #C8D3CC;
            padding: 60px 0 0;
            font-size: 14px;
        }
        .footer-col {
            margin-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            font-size: 15px;
            box-shadow: none;
        }
        .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .footer-desc {
            color: #88968D;
            font-size: 13px;
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #88968D;
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
            position: relative;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-links a::before {
            content: '';
            position: absolute;
            left: -6px;
            bottom: 2px;
            width: 3px;
            height: 0;
            background: var(--accent-orange);
            transition: height 0.2s ease;
        }
        .footer-links a:hover::before {
            height: 14px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
        }
        .footer-contact div {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #88968D;
        }
        .footer-contact i {
            color: var(--brand-green);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #66756C;
        }
        .footer-bottom p {
            margin: 0;
        }
        .beian {
            font-size: 12px;
        }

        /* ===== Mobile Nav ===== */
        @media (max-width: 991.98px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 6px;
                box-shadow: 0 20px 30px rgba(19, 32, 27, 0.08);
                border-bottom: 1px solid var(--border-line);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links .nav-link {
                padding: 10px 0;
                font-size: 15px;
                width: 100%;
            }
            .nav-links .nav-link::after {
                display: none;
            }
            .nav-links .nav-link.active {
                background: var(--brand-green-light);
                border-radius: 8px;
                padding-left: 12px;
            }
            .nav-toggle {
                display: flex;
            }
            .search-box {
                width: 150px;
            }
            .search-kbd {
                display: none;
            }
            .site-nav {
                gap: 12px;
            }
            .step-flow {
                flex-direction: column;
                gap: 16px;
            }
            .step-line {
                display: none;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel {
                flex-direction: column;
                text-align: center;
            }
            .cta-form {
                width: 100%;
            }
        }
        @media (max-width: 767.98px) {
            .site-nav {
                height: 64px;
            }
            .nav-links {
                top: 64px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .search-box {
                display: none;
            }
            .nav-icon-btn {
                display: none;
            }
            .page-hero {
                padding: 3rem 0;
            }
            .hero-trust {
                gap: 12px;
                font-size: 13px;
            }
            .feature-row {
                flex-direction: column;
                padding: 20px;
                gap: 24px;
            }
            .feature-media {
                width: 100%;
            }
            .feature-row.reverse .feature-media {
                order: 1;
            }
            .feature-row.reverse .feature-content {
                order: 2;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-answer p {
                padding: 0 18px 18px;
                font-size: 13px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .hero-actions .btn {
                width: 100%;
            }
            .hero-trust {
                flex-direction: column;
                gap: 8px;
            }
            .cta-form form {
                flex-direction: column;
            }
            .cta-form .btn-accent {
                width: 100%;
            }
            .feature-content h3 {
                font-size: 1.15rem;
            }
            .section-head h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== Responsive Grid ===== */
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero .container,
            .section .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }