/* roulang page: index */
:root {
            --bg-dark-base: #0F1216;
            --bg-dark-card: #171B21;
            --bg-dark-deep: #080A0D;
            --bg-light-base: #F6F8FA;
            --bg-light-card: #FFFFFF;
            --gold-primary: #BFA175;
            --gold-hover: #AD8F63;
            --gold-border: rgba(191, 161, 117, 0.28);
            --gold-glow: rgba(191, 161, 117, 0.12);
            --text-dark-title: #111418;
            --text-dark-body: #4A525D;
            --text-dark-muted: #8C96A3;
            --text-light-title: #F0F3F6;
            --text-light-body: #9FAAB6;
            --border-light: #E5E8EC;
            --radius-main: 8px;
            --shadow-subtle: 0 12px 32px rgba(15, 18, 22, 0.06);
            --shadow-hover: 0 16px 40px rgba(191, 161, 117, 0.15);
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Lantinghei SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-light-base);
            color: var(--text-dark-body);
            letter-spacing: 0.3px;
            overflow-x: hidden;
            line-height: 1.68;
        }

        h1, h2, h3, h4, h5 {
            color: var(--text-dark-title);
            font-weight: 700;
        }

        a {
            text-decoration: none;
            transition: all 0.25s ease-in-out;
        }

        /* 顶部通栏信息 */
        .top-bar-info {
            height: 38px;
            background-color: #0A0D10;
            font-size: 13px;
            color: #8C96A3;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .top-bar-info a {
            color: #C8D0D8;
        }
        .top-bar-info a:hover {
            color: var(--gold-primary);
        }

        /* 主导航栏 */
        .navbar-custom {
            height: 74px;
            background-color: rgba(15, 18, 22, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--gold-border);
            z-index: 1030;
        }
        .navbar-brand-title {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand-title .logo-symbol {
            color: var(--gold-primary);
            font-size: 24px;
        }
        .nav-link-custom {
            color: #C8D0D8 !important;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px !important;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--gold-primary) !important;
        }

        /* 统一按钮系统 */
        .btn-gold-primary {
            background-color: var(--gold-primary);
            color: #0F1216 !important;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 4px;
            border: 1px solid var(--gold-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: transform 0.2s ease, background-color 0.2s ease;
        }
        .btn-gold-primary:hover {
            background-color: var(--gold-hover);
            border-color: var(--gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(191, 161, 117, 0.3);
        }
        .btn-gold-outline {
            background: transparent;
            color: var(--gold-primary) !important;
            border: 1px solid var(--gold-primary);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all 0.2s ease;
        }
        .btn-gold-outline:hover {
            background-color: rgba(191, 161, 117, 0.12);
            color: #FFFFFF !important;
            transform: translateY(-2px);
        }

        /* 通用 Section 样式 */
        .page-section {
            padding: 84px 0;
            position: relative;
        }
        .section-header {
            max-width: 760px;
            margin: 0 auto 54px auto;
            text-align: center;
        }
        .section-header .sub-badge {
            display: inline-block;
            font-size: 13px;
            color: var(--gold-primary);
            background: rgba(191, 161, 117, 0.1);
            border: 1px solid var(--gold-border);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
            font-weight: 500;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: 32px;
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-dark-muted);
            margin: 0 auto;
        }

        /* 深色板块修饰 */
        .section-dark {
            background-color: var(--bg-dark-base);
            color: var(--text-light-body);
        }
        .section-dark h2, .section-dark h3, .section-dark h4 {
            color: var(--text-light-title);
        }
        .section-dark .section-header p {
            color: var(--text-light-body);
        }

        /* 板块 1: Hero Banner */
        .hero-section {
            background: linear-gradient(180deg, rgba(15, 18, 22, 0.88) 0%, rgba(15, 18, 22, 0.98) 100%), url('/assets/images/fd2bebefe3b43650.jpg') center center / cover no-repeat;
            padding: 100px 0 90px 0;
            min-height: 620px;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 44px;
            line-height: 1.25;
            color: #FFFFFF;
            font-weight: 800;
            margin-bottom: 22px;
        }
        .hero-title span {
            color: var(--gold-primary);
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.75;
            color: #BAC3CE;
            margin-bottom: 32px;
            max-width: 620px;
        }
        .hero-card-board {
            background: rgba(23, 27, 33, 0.85);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-main);
            padding: 28px;
            backdrop-filter: blur(14px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }
        .board-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: 14px;
            margin-bottom: 20px;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background: #22C55E;
            border-radius: 50%;
            display: inline-block;
            margin-right: 6px;
            box-shadow: 0 0 8px #22C55E;
        }

        /* 板块 2: 指标看板条 */
        .metric-banner-box {
            background: #FFFFFF;
            border-radius: var(--radius-main);
            box-shadow: var(--shadow-subtle);
            border: 1px solid var(--border-light);
            padding: 36px 20px;
            margin-top: -46px;
            position: relative;
            z-index: 10;
        }
        .metric-unit-num {
            font-size: 38px;
            font-weight: 800;
            color: #0F1216;
            line-height: 1.1;
            font-feature-settings: "tnum";
        }
        .metric-unit-num span {
            font-size: 20px;
            color: var(--gold-primary);
            margin-left: 2px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-dark-muted);
            margin-top: 6px;
        }

        /* 板块 3: 架构与认证 */
        .cert-card-media {
            border-radius: var(--radius-main);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            overflow: hidden;
        }
        .cert-pill-box {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }
        .cert-pill-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            padding: 10px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            color: #1A2530;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .cert-pill-item i {
            color: var(--gold-primary);
        }

        /* 板块 4: 核心优势矩阵 6 卡 */
        .strength-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            padding: 30px;
            height: 100%;
            transition: all 0.3s ease;
        }
        .strength-card:hover {
            border-color: var(--gold-primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .strength-icon {
            width: 52px;
            height: 52px;
            background: rgba(191, 161, 117, 0.12);
            color: var(--gold-primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        /* 板块 5: 热门出行产品 3 卡对比 */
        .product-pricing-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            padding: 36px 30px;
            position: relative;
            transition: all 0.3s ease;
        }
        .product-pricing-card.featured {
            border: 2px solid var(--gold-primary);
            box-shadow: 0 16px 40px rgba(191, 161, 117, 0.18);
            transform: translateY(-8px);
        }
        .featured-tag {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gold-primary);
            color: #0F1216;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .product-list-check {
            list-style: none;
            padding: 0;
            margin: 24px 0;
        }
        .product-list-check li {
            font-size: 14px;
            color: var(--text-dark-body);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .product-list-check li i {
            color: var(--gold-primary);
        }

        /* 板块 6: 对比矩阵 */
        .contrast-table-box {
            background: var(--bg-dark-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-main);
            overflow: hidden;
        }
        .contrast-row {
            display: grid;
            grid-template-columns: 2fr 3fr 3fr;
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            align-items: center;
        }
        .contrast-row.header {
            background: #0A0D10;
            font-weight: 700;
            color: #FFFFFF;
            font-size: 15px;
        }
        .contrast-row:last-child {
            border-bottom: none;
        }

        /* 板块 7: 里程碑时间线 */
        .milestone-container {
            position: relative;
            padding: 20px 0;
        }
        .milestone-timeline-item {
            position: relative;
            padding-left: 36px;
            margin-bottom: 32px;
            border-left: 2px solid var(--border-light);
        }
        .milestone-timeline-item::before {
            content: "";
            position: absolute;
            left: -8px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--gold-primary);
            border: 3px solid #FFFFFF;
            box-shadow: 0 0 0 1px var(--gold-primary);
        }
        .milestone-year {
            font-size: 18px;
            font-weight: 700;
            color: #0F1216;
            margin-bottom: 4px;
        }

        /* 板块 8: 运营看板全景 */
        .dashboard-metric-box {
            background: var(--bg-dark-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-main);
            padding: 26px;
        }
        .custom-progress-bg {
            background: rgba(255, 255, 255, 0.1);
            height: 8px;
            border-radius: 4px;
            overflow: hidden;
            margin: 12px 0 8px 0;
        }
        .custom-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--gold-primary), #E4C89E);
        }

        /* 板块 9: 落地客户故事 */
        .story-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }
        .story-card:hover {
            box-shadow: var(--shadow-subtle);
            border-color: var(--gold-primary);
        }
        .story-badge-category {
            font-size: 12px;
            font-weight: 600;
            background: #1A2530;
            color: var(--gold-primary);
            padding: 3px 10px;
            border-radius: 4px;
        }

        /* 板块 10: 客户评价网格 */
        .testimonial-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            padding: 28px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .stars-rate {
            color: #F59E0B;
            font-size: 14px;
            margin-bottom: 12px;
        }

        /* 板块 11: 全域合规保障 */
        .assurance-box {
            background: var(--bg-dark-card);
            border: 1px solid rgba(191, 161, 117, 0.2);
            border-radius: var(--radius-main);
            padding: 26px 20px;
            text-align: center;
            height: 100%;
            transition: all 0.3s ease;
        }
        .assurance-box:hover {
            border-color: var(--gold-primary);
            transform: translateY(-4px);
        }
        .assurance-icon {
            font-size: 32px;
            color: var(--gold-primary);
            margin-bottom: 14px;
        }

        /* 板块 12: 资讯摘要 */
        .insight-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            padding: 26px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .insight-meta {
            font-size: 13px;
            color: var(--text-dark-muted);
            margin-bottom: 10px;
        }

        /* 板块 13: 常见问题手风琴 */
        .custom-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .custom-accordion .accordion-button {
            font-weight: 600;
            font-size: 16px;
            color: #0F1216;
            background: #FFFFFF;
            box-shadow: none;
            padding: 18px 22px;
        }
        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--gold-primary);
            background: #FAF8F5;
        }
        .custom-accordion .accordion-body {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-dark-body);
            background: #FAF8F5;
            padding: 0 22px 20px 22px;
        }

        /* 板块 14: 申请表单区 */
        .form-wrapper {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-main);
            padding: 38px;
            box-shadow: var(--shadow-subtle);
        }
        .form-control-custom {
            height: 48px;
            border-radius: 4px;
            border: 1px solid #D1D5DB;
            padding: 10px 14px;
            font-size: 14px;
        }
        .form-control-custom:focus {
            border-color: var(--gold-primary);
            box-shadow: 0 0 0 3px rgba(191, 161, 117, 0.2);
        }

        /* 页脚系统 */
        .footer-custom {
            background: var(--bg-dark-deep);
            color: #8C96A3;
            padding: 68px 0 28px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }
        .footer-title {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #8C96A3;
        }
        .footer-links a:hover {
            color: var(--gold-primary);
        }
        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            margin-top: 48px;
            font-size: 13px;
        }

        /* 移动端响应优化 */
        @media (max-width: 991px) {
            .hero-title {
                font-size: 32px;
            }
            .hero-card-board {
                margin-top: 36px;
            }
            .metric-banner-box {
                margin-top: 0;
            }
            .product-pricing-card.featured {
                transform: none;
            }
            .contrast-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .page-section {
                padding: 56px 0;
            }
        }