/* roulang page: index */
:root {
            --c-primary: #2b6f6f;
            --c-primary-dark: #1e5555;
            --c-primary-light: #e6f0f0;
            --c-accent: #4a9e9e;
            --c-accent-soft: #f0f7f7;
            --c-bg: #f8faf9;
            --c-surface: #ffffff;
            --c-text: #1a2b2b;
            --c-text-muted: #5d7070;
            --c-text-weak: #8ba0a0;
            --c-border: #dfe8e7;
            --c-border-light: #edf3f2;
            --c-shadow-sm: 0 2px 10px rgba(26, 43, 43, 0.06);
            --c-shadow-md: 0 6px 28px rgba(26, 43, 43, 0.10);
            --c-shadow-lg: 0 14px 48px rgba(26, 43, 43, 0.14);
            --c-radius-sm: 8px;
            --c-radius-md: 14px;
            --c-radius-lg: 20px;
            --c-radius-xl: 28px;
            --c-spacing-xs: 8px;
            --c-spacing-sm: 16px;
            --c-spacing-md: 28px;
            --c-spacing-lg: 48px;
            --c-spacing-xl: 72px;
            --c-spacing-xxl: 96px;
            --c-font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --c-transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--c-font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

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

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

        a:hover {
            color: var(--c-primary-dark);
            text-decoration: none;
        }

        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 3px solid rgba(43, 111, 111, 0.25);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            transition: var(--c-transition);
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-wide {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
        }

        .section-pad {
            padding: var(--c-spacing-xl) 0;
        }

        .section-pad-sm {
            padding: var(--c-spacing-lg) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-primary);
            background: var(--c-primary-light);
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
            border: 1px solid rgba(43, 111, 111, 0.15);
        }

        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--c-text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--c-text-muted);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 0;
        }

        .text-highlight {
            color: var(--c-primary);
            font-weight: 600;
        }

        .bg-soft {
            background: var(--c-accent-soft);
            border-radius: var(--c-radius-lg);
        }

        .card-custom {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-md);
            box-shadow: var(--c-shadow-sm);
            transition: var(--c-transition);
            overflow: hidden;
        }

        .card-custom:hover {
            box-shadow: var(--c-shadow-md);
            transform: translateY(-3px);
            border-color: rgba(43, 111, 111, 0.25);
        }

        .card-custom .card-body-custom {
            padding: 24px 22px;
        }

        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 50px;
            border: 2px solid transparent;
            transition: var(--c-transition);
            text-align: center;
            justify-content: center;
            line-height: 1.5;
            white-space: nowrap;
        }

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

        .btn-custom-primary:hover {
            background: var(--c-primary-dark);
            border-color: var(--c-primary-dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(43, 111, 111, 0.35);
            transform: translateY(-1px);
        }

        .btn-custom-outline {
            background: transparent;
            color: var(--c-primary);
            border-color: var(--c-primary);
        }

        .btn-custom-outline:hover {
            background: var(--c-primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(43, 111, 111, 0.25);
            transform: translateY(-1px);
        }

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

        .btn-custom-light:hover {
            background: var(--c-primary-light);
            border-color: var(--c-primary-light);
            color: var(--c-primary-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .btn-custom-sm {
            font-size: 13px;
            padding: 9px 18px;
        }

        .btn-custom-lg {
            font-size: 16px;
            padding: 14px 30px;
        }

        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 50px;
            background: var(--c-primary-light);
            color: var(--c-primary);
            border: 1px solid rgba(43, 111, 111, 0.15);
        }

        .badge-custom-green {
            background: #e8f5ed;
            color: #2d6a4f;
            border-color: rgba(45, 106, 79, 0.15);
        }

        .badge-custom-gold {
            background: #fef8e7;
            color: #8f6b1a;
            border-color: rgba(143, 107, 26, 0.15);
        }

        .divider {
            border: none;
            border-top: 1px solid var(--c-border);
            margin: 20px 0;
            opacity: 0.7;
        }

        .divider-light {
            border-color: var(--c-border-light);
        }

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

        .list-check li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 10px;
            font-size: 15px;
            color: var(--c-text-muted);
            line-height: 1.7;
        }

        .list-check li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            font-size: 13px;
            color: var(--c-primary);
            background: var(--c-primary-light);
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .list-arrow li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--c-text-muted);
        }

        .list-arrow li::before {
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 4px;
            top: 1px;
            font-size: 13px;
            color: var(--c-accent);
        }

        /* ============ NAV (浮动Dock) ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 16px 0 8px;
            background: transparent;
        }

        .site-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(248, 250, 249, 0.96) 30%, rgba(248, 250, 249, 0) 100%);
            pointer-events: none;
            z-index: -1;
        }

        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: 50px;
            padding: 8px 10px 8px 20px;
            box-shadow: var(--c-shadow-md);
            max-width: 1120px;
            margin: 0 auto;
            transition: var(--c-transition);
        }

        .nav-dock:hover {
            box-shadow: var(--c-shadow-lg);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-brand i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--c-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 16px;
        }

        .nav-brand:hover {
            color: var(--c-text);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-muted);
            padding: 8px 16px;
            border-radius: 30px;
            transition: var(--c-transition);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--c-primary-light);
            color: var(--c-primary);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-cta .btn-custom {
            padding: 9px 20px;
            font-size: 14px;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 160px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--c-border);
            border-radius: 30px;
            font-size: 13px;
            background: var(--c-bg);
            color: var(--c-text);
            transition: var(--c-transition);
        }

        .nav-search input:focus {
            width: 200px;
            border-color: var(--c-primary);
            outline: none;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(43, 111, 111, 0.12);
        }

        .nav-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: var(--c-text-weak);
            pointer-events: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--c-text);
            padding: 8px;
            border-radius: 8px;
        }

        .nav-mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 16px;
            right: 16px;
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-md);
            box-shadow: var(--c-shadow-lg);
            padding: 16px;
            z-index: 1100;
        }

        .nav-mobile-menu.show {
            display: block;
        }

        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--c-text);
            border-radius: 8px;
            transition: var(--c-transition);
        }

        .nav-mobile-menu a:hover {
            background: var(--c-primary-light);
            color: var(--c-primary);
        }

        /* ============ HERO (白皮书获客) ============ */
        .hero-section {
            padding: 40px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: -180px;
            right: -120px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(43, 111, 111, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            bottom: -200px;
            left: -160px;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(74, 158, 158, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 40px;
            align-items: stretch;
            position: relative;
            z-index: 1;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--c-text-weak);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: var(--c-text-muted);
        }

        .hero-breadcrumb a:hover {
            color: var(--c-primary);
        }

        .hero-breadcrumb .sep {
            color: var(--c-border);
        }

        .hero-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--c-text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-title em {
            font-style: normal;
            color: var(--c-primary);
            position: relative;
        }

        .hero-title em::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(43, 111, 111, 0.15);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--c-text-muted);
            line-height: 1.85;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--c-primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 13px;
            color: var(--c-text-weak);
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-guarantee {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--c-text-weak);
            margin-top: 16px;
        }

        .hero-guarantee i {
            color: var(--c-accent);
        }

        /* Hero右侧 - 资料封面+表单 */
        .hero-right {
            display: flex;
            align-items: stretch;
        }

        .hero-panel {
            display: flex;
            flex-direction: column;
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-lg);
            box-shadow: var(--c-shadow-lg);
            overflow: hidden;
            width: 100%;
        }

        .hero-panel-top {
            display: flex;
            gap: 0;
            flex: 1;
        }

        .hero-panel-cover {
            width: 42%;
            position: relative;
            overflow: hidden;
            min-height: 220px;
            background: var(--c-primary-light);
        }

        .hero-panel-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .hero-panel-cover::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(180deg, transparent 0%, rgba(26, 43, 43, 0.6) 100%);
            pointer-events: none;
        }

        .hero-panel-cover .cover-label {
            position: absolute;
            bottom: 12px;
            left: 12px;
            right: 12px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            z-index: 2;
            letter-spacing: 0.05em;
        }

        .hero-panel-toc {
            flex: 1;
            padding: 20px 18px;
            background: var(--c-surface);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-panel-toc h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .hero-panel-toc .toc-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-panel-toc .toc-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--c-text-muted);
            line-height: 1.5;
        }

        .hero-panel-toc .toc-list li i {
            color: var(--c-primary);
            font-size: 11px;
            flex-shrink: 0;
            width: 16px;
            text-align: center;
        }

        .hero-panel-form {
            border-top: 1px solid var(--c-border-light);
            padding: 20px 18px 22px;
            background: var(--c-bg);
        }

        .hero-panel-form h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel-form h4 i {
            color: var(--c-primary);
            font-size: 14px;
        }

        .hero-form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-bottom: 10px;
        }

        .hero-form-row .form-group-custom {
            margin-bottom: 0;
        }

        .form-group-custom {
            margin-bottom: 12px;
        }

        .form-group-custom label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            color: var(--c-text-muted);
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }

        .form-group-custom input,
        .form-group-custom select,
        .form-group-custom textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--c-border);
            border-radius: 8px;
            font-size: 14px;
            color: var(--c-text);
            background: #fff;
            transition: var(--c-transition);
            font-family: var(--c-font-family);
        }

        .form-group-custom input:focus,
        .form-group-custom select:focus,
        .form-group-custom textarea:focus {
            border-color: var(--c-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 111, 111, 0.1);
        }

        .form-group-custom input::placeholder,
        .form-group-custom textarea::placeholder {
            color: var(--c-text-weak);
        }

        .form-group-custom textarea {
            resize: vertical;
            min-height: 62px;
        }

        .hero-form-submit {
            width: 100%;
            margin-top: 4px;
        }

        .form-privacy {
            font-size: 11px;
            color: var(--c-text-weak);
            margin-top: 8px;
            text-align: center;
            line-height: 1.5;
        }

        .form-privacy i {
            font-size: 10px;
            margin-right: 4px;
        }

        /* ============ KPI数据条 ============ */
        .kpi-section {
            padding: 0 0 40px;
            position: relative;
            z-index: 1;
        }

        .kpi-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-md);
            box-shadow: var(--c-shadow-sm);
            overflow: hidden;
        }

        .kpi-item {
            padding: 24px 20px;
            text-align: center;
            border-right: 1px solid var(--c-border-light);
            transition: var(--c-transition);
        }

        .kpi-item:last-child {
            border-right: none;
        }

        .kpi-item:hover {
            background: var(--c-accent-soft);
        }

        .kpi-item .kpi-icon {
            font-size: 22px;
            color: var(--c-primary);
            margin-bottom: 8px;
            display: block;
        }

        .kpi-item .kpi-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--c-text);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .kpi-item .kpi-num span {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-primary);
            margin-left: 2px;
        }

        .kpi-item .kpi-label {
            font-size: 13px;
            color: var(--c-text-weak);
            margin-top: 4px;
        }

        /* ============ 卖点三连 ============ */
        .selling-points {
            padding: 40px 0 56px;
        }

        .sp-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .sp-card {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-md);
            padding: 28px 24px;
            box-shadow: var(--c-shadow-sm);
            transition: var(--c-transition);
            position: relative;
            overflow: hidden;
        }

        .sp-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
            opacity: 0;
            transition: var(--c-transition);
        }

        .sp-card:hover {
            box-shadow: var(--c-shadow-md);
            transform: translateY(-4px);
        }

        .sp-card:hover::before {
            opacity: 1;
        }

        .sp-card .sp-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--c-primary-light);
            color: var(--c-primary);
            border-radius: 12px;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .sp-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .sp-card p {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ============ 功能章节/服务范围 ============ */
        .service-section {
            background: var(--c-surface);
            border-top: 1px solid var(--c-border-light);
            border-bottom: 1px solid var(--c-border-light);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .service-card-h {
            display: flex;
            gap: 18px;
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-md);
            padding: 22px;
            transition: var(--c-transition);
        }

        .service-card-h:hover {
            background: var(--c-surface);
            box-shadow: var(--c-shadow-md);
            transform: translateY(-2px);
            border-color: rgba(43, 111, 111, 0.2);
        }

        .service-card-h .sv-img {
            width: 100px;
            height: 100px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .service-card-h .sv-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-card-h .sv-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .service-card-h .sv-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 6px;
        }

        .service-card-h .sv-info p {
            font-size: 13px;
            color: var(--c-text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .service-card-h .sv-info .sv-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--c-primary);
            margin-top: 8px;
        }

        /* ============ 场景演示 ============ */
        .scene-section {
            padding: var(--c-spacing-xl) 0;
        }

        .scene-banner {
            position: relative;
            border-radius: var(--c-radius-lg);
            overflow: hidden;
            min-height: 320px;
            background: var(--c-primary-dark);
            display: flex;
            align-items: center;
        }

        .scene-banner .scene-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            opacity: 0.35;
        }

        .scene-banner::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26, 43, 43, 0.85) 0%, rgba(43, 111, 111, 0.7) 100%);
            pointer-events: none;
        }

        .scene-content {
            position: relative;
            z-index: 2;
            padding: 48px;
            max-width: 720px;
        }

        .scene-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .scene-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 20px;
        }

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

        .scene-tags .tag-item {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        /* ============ 客户证言 ============ */
        .testimonial-section {
            background: var(--c-accent-soft);
            border-radius: var(--c-radius-lg);
            padding: 48px 32px;
            margin: 0 auto;
            max-width: 1120px;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-top: 28px;
        }

        .testimonial-card {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-md);
            padding: 24px 20px;
            box-shadow: var(--c-shadow-sm);
            transition: var(--c-transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--c-shadow-md);
        }

        .testimonial-card .t-text {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .t-footer {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--c-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-primary);
            font-weight: 700;
            font-size: 16px;
        }

        .testimonial-card .t-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .testimonial-card .t-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 2px;
        }

        .testimonial-card .t-meta {
            font-size: 12px;
            color: var(--c-text-weak);
        }

        .testimonial-card .t-stars {
            color: #e6a23c;
            font-size: 12px;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }

        /* ============ 资讯区 ============ */
        .news-section {
            padding: var(--c-spacing-xl) 0;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
            margin-top: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-sm);
            transition: var(--c-transition);
            cursor: pointer;
        }

        .news-list-item:hover {
            border-color: rgba(43, 111, 111, 0.3);
            box-shadow: var(--c-shadow-sm);
            transform: translateX(3px);
        }

        .news-list-item .news-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--c-text-weak);
            white-space: nowrap;
            min-width: 70px;
            text-align: center;
            background: var(--c-bg);
            border-radius: 6px;
            padding: 4px 8px;
        }

        .news-list-item .news-title-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text);
            transition: var(--c-transition);
            line-height: 1.5;
            flex: 1;
        }

        .news-list-item .news-title-link:hover {
            color: var(--c-primary);
        }

        .news-list-item .news-arrow {
            color: var(--c-text-weak);
            font-size: 14px;
            flex-shrink: 0;
        }

        .news-recommend {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-md);
            box-shadow: var(--c-shadow-sm);
            overflow: hidden;
        }

        .news-recommend .rec-header {
            padding: 18px 20px;
            background: var(--c-primary-light);
            border-bottom: 1px solid var(--c-border-light);
            font-size: 15px;
            font-weight: 700;
            color: var(--c-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-recommend .rec-body {
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-recommend .rec-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px;
            border-radius: 8px;
            transition: var(--c-transition);
            cursor: pointer;
            background: var(--c-bg);
        }

        .news-recommend .rec-item:hover {
            background: var(--c-primary-light);
        }

        .news-recommend .rec-item .rec-thumb {
            width: 56px;
            height: 56px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-recommend .rec-item .rec-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-recommend .rec-item .rec-info h5 {
            font-size: 13px;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 3px;
            line-height: 1.4;
        }

        .news-recommend .rec-item .rec-info span {
            font-size: 11px;
            color: var(--c-text-weak);
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--c-spacing-lg) 0 var(--c-spacing-xl);
        }

        .faq-list {
            max-width: 820px;
            margin: 32px auto 0;
        }

        .faq-item {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--c-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--c-transition);
        }

        .faq-item:hover {
            border-color: rgba(43, 111, 111, 0.25);
            box-shadow: var(--c-shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text);
            text-align: left;
            cursor: pointer;
            transition: var(--c-transition);
        }

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

        .faq-question i {
            font-size: 14px;
            color: var(--c-text-weak);
            transition: var(--c-transition);
            flex-shrink: 0;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--c-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: var(--c-spacing-lg) 0 var(--c-spacing-xl);
        }

        .cta-panel {
            background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
            border-radius: var(--c-radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel .cta-text {
            position: relative;
            z-index: 1;
            flex: 1;
        }

        .cta-panel .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-panel .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
            line-height: 1.75;
            max-width: 520px;
        }

        .cta-panel .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        /* ============ 底部固定转化条 ============ */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--c-surface);
            border-top: 1px solid var(--c-border);
            box-shadow: 0 -4px 20px rgba(26, 43, 43, 0.12);
            padding: 10px 0;
            transform: translateY(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .sticky-cta-bar.show {
            transform: translateY(0);
        }

        .sticky-cta-bar .sticky-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .sticky-cta-bar .sticky-msg {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--c-text-muted);
        }

        .sticky-cta-bar .sticky-msg i {
            color: var(--c-primary);
            font-size: 16px;
        }

        .sticky-cta-bar .sticky-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .sticky-cta-bar .btn-custom {
            padding: 10px 20px;
            font-size: 13px;
        }

        body.has-sticky-cta {
            padding-bottom: 80px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-text);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 40px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-radius: 50%;
            font-size: 15px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 16px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--c-transition);
        }

        .footer-social a:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--c-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-col ul li a i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-bottom: 0;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-bottom .footer-links li a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            transition: var(--c-transition);
        }

        .footer-bottom .footer-links li a:hover {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-panel {
                max-width: 600px;
            }

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

            .kpi-item:nth-child(2) {
                border-right: none;
            }

            .kpi-item:nth-child(1),
            .kpi-item:nth-child(2) {
                border-bottom: 1px solid var(--c-border-light);
            }

            .sp-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin-left: auto;
                margin-right: auto;
            }

            .service-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
                margin-left: auto;
                margin-right: auto;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin-left: auto;
                margin-right: auto;
            }

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

            .cta-panel {
                flex-direction: column;
                text-align: center;
                padding: 36px 28px;
            }

            .cta-panel .cta-text p {
                margin-left: auto;
                margin-right: auto;
            }

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

            .hero-title {
                font-size: 30px;
            }

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

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-pad {
                padding: 48px 0;
            }

            .section-pad-sm {
                padding: 36px 0;
            }

            .hero-section {
                padding: 20px 0 40px;
            }

            .hero-title {
                font-size: 25px;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat .num {
                font-size: 21px;
            }

            .hero-panel-top {
                flex-direction: column;
            }

            .hero-panel-cover {
                width: 100%;
                min-height: 160px;
            }

            .hero-form-row {
                grid-template-columns: 1fr;
            }

            .nav-search input {
                width: 100px;
            }

            .nav-search input:focus {
                width: 130px;
            }

            .nav-cta .btn-custom span {
                display: none;
            }

            .nav-cta .btn-custom {
                padding: 9px 14px;
                font-size: 12px;
            }

            .nav-links li a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .kpi-bar {
                grid-template-columns: 1fr 1fr;
            }

            .kpi-item {
                padding: 18px 14px;
            }

            .kpi-item .kpi-num {
                font-size: 22px;
            }

            .scene-content {
                padding: 28px 20px;
            }

            .scene-content h3 {
                font-size: 20px;
            }

            .testimonial-section {
                padding: 32px 18px;
                border-radius: var(--c-radius-md);
            }

            .news-list-item {
                flex-wrap: wrap;
                padding: 14px;
            }

            .news-list-item .news-date {
                min-width: auto;
                font-size: 11px;
                padding: 3px 6px;
            }

            .news-list-item .news-title-link {
                font-size: 13px;
                flex: 1 1 100%;
                order: 3;
            }

            .news-list-item .news-arrow {
                order: 2;
            }

            .cta-panel .cta-text h2 {
                font-size: 22px;
            }

            .cta-panel .cta-actions {
                width: 100%;
                justify-content: center;
            }

            .sticky-cta-bar .sticky-msg span {
                display: none;
            }

            .sticky-cta-bar .sticky-actions .btn-custom {
                padding: 9px 14px;
                font-size: 12px;
            }

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

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

            .section-title {
                font-size: 22px;
            }

            .section-desc {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                padding: 6px 8px 6px 14px;
                border-radius: 30px;
            }

            .nav-brand {
                font-size: 14px;
                gap: 6px;
            }

            .nav-brand i {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .nav-links {
                gap: 2px;
            }

            .nav-links li a {
                padding: 6px 8px;
                font-size: 12px;
            }

            .nav-search {
                display: none;
            }

            .nav-cta .btn-custom {
                padding: 7px 10px;
                font-size: 11px;
                border-radius: 25px;
            }

            .hero-title {
                font-size: 21px;
                line-height: 1.4;
            }

            .hero-stats {
                gap: 12px;
            }

            .hero-stat .num {
                font-size: 18px;
            }

            .hero-stat .label {
                font-size: 11px;
            }

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

            .hero-cta-group .btn-custom {
                width: 100%;
                justify-content: center;
            }

            .kpi-bar {
                grid-template-columns: 1fr;
            }

            .kpi-item {
                border-right: none;
                border-bottom: 1px solid var(--c-border-light);
                padding: 14px;
            }

            .kpi-item:last-child {
                border-bottom: none;
            }

            .kpi-item:nth-child(2) {
                border-right: none;
            }

            .kpi-item:nth-child(1),
            .kpi-item:nth-child(2) {
                border-bottom: 1px solid var(--c-border-light);
            }

            .sp-card {
                padding: 22px 18px;
            }

            .service-card-h {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }

            .service-card-h .sv-img {
                width: 100%;
                height: 140px;
            }

            .testimonial-card {
                padding: 18px 16px;
            }

            .scene-banner {
                min-height: 260px;
            }

            .cta-panel {
                padding: 28px 18px;
                border-radius: var(--c-radius-md);
            }

            .cta-panel .cta-text h2 {
                font-size: 19px;
            }

            .cta-panel .cta-text p {
                font-size: 13px;
            }

            .sticky-cta-bar .sticky-inner {
                gap: 8px;
            }

            .sticky-cta-bar .sticky-actions {
                gap: 6px;
            }

            .sticky-cta-bar .sticky-actions .btn-custom {
                padding: 7px 10px;
                font-size: 11px;
            }

            .faq-question {
                font-size: 13px;
                padding: 14px 16px;
            }

            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 13px;
            }

            .section-label {
                font-size: 11px;
                padding: 5px 10px;
            }

            .section-title {
                font-size: 19px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}