/* roulang page: index */
:root {
            --primary: #0b1e1a;
            --primary-dark: #071512;
            --primary-light: #142e27;
            --surface-dark: #122420;
            --accent: #00e575;
            --accent-hover: #00c765;
            --accent-soft: rgba(0, 229, 117, 0.12);
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --border-dark: #1e3a33;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-pill: 9999px;
            --shadow-subtle: 0 10px 30px -5px rgba(15, 41, 34, 0.06), 0 4px 6px -2px rgba(15, 41, 34, 0.02);
            --shadow-hover: 0 20px 35px -8px rgba(15, 41, 34, 0.12), 0 8px 12px -4px rgba(15, 41, 34, 0.04);
            --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* Reset & Base */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--text-main);
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-smooth);
        }
        a:hover {
            color: var(--accent);
        }

        /* 统一导航样式 (招投标公告风格) */
        .site-header {
            background: var(--primary-dark);
            border-bottom: 1px solid var(--border-dark);
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .header-notice-bar {
            background: rgba(0, 229, 117, 0.06);
            border-bottom: 1px solid rgba(0, 229, 117, 0.15);
            font-size: 0.85rem;
            color: #d1fae5;
            padding: 6px 0;
        }
        .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 0 0 rgba(0, 229, 117, 0.7); }
            70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 6px rgba(0, 229, 117, 0); }
            100% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 0 0 rgba(0, 229, 117, 0); }
        }
        .navbar-brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #ffffff !important;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand-logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .header-chip-badge {
            background: var(--surface-dark);
            border: 1px solid var(--border-dark);
            color: #cbd5e1;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .header-chip-badge strong {
            color: var(--accent);
        }
        .btn-predict-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-predict-cta:hover {
            background: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 229, 117, 0.3);
        }

        /* 板块通用外壳与层次 */
        .section-padding {
            padding: 72px 0;
        }
        .section-dark {
            background: var(--primary);
            color: #f1f5f9;
        }
        .section-dark h2, .section-dark h3, .section-dark h4 {
            color: #ffffff;
        }
        .section-dark p {
            color: #94a3b8;
        }
        .section-title-wrap {
            margin-bottom: 48px;
        }
        .section-tag {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.1rem;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 820px;
        }
        .section-dark .section-desc {
            color: #94a3b8;
        }

        /* 卡片与组件系统 */
        .custom-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
            height: 100%;
        }
        .custom-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #cbd5e1;
        }
        .custom-card-dark {
            background: var(--surface-dark);
            border: 1px solid var(--border-dark);
            color: #f1f5f9;
        }
        .custom-card-dark:hover {
            border-color: rgba(0, 229, 117, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
        }

        /* 1. Hero 板块 */
        .hero-banner {
            background: radial-gradient(circle at 80% 20%, #15382f 0%, #0b1e1a 60%, #061210 100%);
            color: #ffffff;
            padding: 85px 0 75px 0;
            border-bottom: 1px solid var(--border-dark);
            position: relative;
            overflow: hidden;
        }
        .hero-location-bar {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-pill);
            padding: 6px 18px;
            margin-bottom: 24px;
            font-size: 0.88rem;
            color: #cbd5e1;
        }
        .hero-title {
            font-size: 2.75rem;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #ffffff;
        }
        .hero-lead {
            font-size: 1.15rem;
            line-height: 1.8;
            color: #94a3b8;
            margin-bottom: 32px;
        }
        .hero-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 1rem;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary:hover {
            background: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 229, 117, 0.35);
        }
        .btn-hero-outline {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
            border-color: var(--accent);
        }
        .hero-data-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
        }
        .hero-data-item strong {
            display: block;
            font-size: 1.6rem;
            color: var(--accent);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", monospace;
        }
        .hero-data-item span {
            font-size: 0.85rem;
            color: #94a3b8;
        }

        /* 2. 演示板块 */
        .live-board-mockup {
            background: #081613;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
        }
        .match-row-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 16px 20px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .match-row-item:last-child {
            margin-bottom: 0;
        }
        .prob-bar-container {
            width: 180px;
            height: 10px;
            background: #1e3a33;
            border-radius: 5px;
            overflow: hidden;
            display: flex;
        }
        .prob-fill-home { background: var(--accent); }
        .prob-fill-draw { background: #94a3b8; }
        .prob-fill-away { background: #38bdf8; }

        /* 3. 功能矩阵 */
        .feature-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 10px;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
        }

        /* 4. 场景分栏 */
        .scenario-pill-tag {
            background: #f1f5f9;
            color: var(--text-muted);
            font-size: 0.78rem;
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 5. 命中复盘时间轴 */
        .timeline-card {
            border-left: 3px solid var(--accent);
            padding-left: 18px;
            margin-bottom: 20px;
            background: var(--bg-white);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 24px;
            box-shadow: var(--shadow-subtle);
        }

        /* 6. 参数矩阵对比表 */
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
        }
        .compare-table th {
            background: #0f241f;
            color: #ffffff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
        }
        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.92rem;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-col {
            background: rgba(0, 229, 117, 0.05);
            font-weight: 600;
            color: var(--primary);
        }

        /* 7. 价格方案 */
        .pricing-card {
            position: relative;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .pricing-card.featured {
            border: 2px solid var(--accent);
            box-shadow: 0 16px 36px rgba(0, 229, 117, 0.12);
            background: #ffffff;
        }
        .pricing-card:hover {
            transform: translateY(-6px);
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            right: 24px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.05em;
        }
        .pricing-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 16px 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", monospace;
        }
        .pricing-price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .pricing-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 28px 0;
            flex-grow: 1;
        }
        .pricing-list li {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .pricing-list li i {
            color: var(--accent);
            font-size: 0.85rem;
        }

        /* 8. 评价墙 */
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
        }
        .review-stars {
            color: #f59e0b;
            font-size: 0.82rem;
            margin-bottom: 8px;
        }

        /* 9. 机构口碑与合作墙 */
        .stat-banner-box {
            background: linear-gradient(135deg, #0b1e1a 0%, #17382f 100%);
            border-radius: var(--radius-md);
            padding: 32px 40px;
            color: #ffffff;
            margin-bottom: 40px;
        }
        .partner-logo-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 16px 20px;
            text-align: center;
            font-weight: 700;
            color: #64748b;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
        }
        .partner-logo-item:hover {
            border-color: var(--accent);
            color: var(--primary);
        }

        /* 10. 资讯内参 */
        .news-headline-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            transition: var(--transition-smooth);
        }
        .news-headline-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .news-headline-img {
            background: #0f2922;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 3rem;
        }
        .news-list-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 16px 20px;
            margin-bottom: 14px;
            transition: var(--transition-smooth);
        }
        .news-list-item:hover {
            border-color: #cbd5e1;
            transform: translateX(4px);
        }

        /* 11. FAQ 手风琴 */
        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-button {
            font-weight: 700;
            color: var(--primary);
            background: var(--bg-white);
            box-shadow: none !important;
            padding: 20px 24px;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(0, 229, 117, 0.04);
        }
        .accordion-body {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            padding: 0 24px 20px 24px;
        }

        /* 12. 开通 CTA */
        .cta-box-wrapper {
            background: radial-gradient(circle at center, #14352c 0%, #081814 100%);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 60px 40px;
            color: #ffffff;
            text-align: center;
        }

        /* 页脚统一设计 */
        .site-footer {
            background: var(--primary-dark);
            color: #94a3b8;
            padding: 64px 0 30px 0;
            border-top: 1px solid var(--border-dark);
            font-size: 0.9rem;
        }
        .footer-col-title {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #94a3b8;
            transition: var(--transition-smooth);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-disclaimer-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            padding: 16px;
            font-size: 0.8rem;
            line-height: 1.7;
            color: #64748b;
        }
        .footer-bottom-bar {
            border-top: 1px solid var(--border-dark);
            margin-top: 48px;
            padding-top: 24px;
            font-size: 0.82rem;
            color: #64748b;
        }

        /* 响应式断点微调 */
        @media (max-width: 991px) {
            .hero-title { font-size: 2.2rem; }
            .section-title { font-size: 1.8rem; }
            .hero-data-strip { grid-template-columns: repeat(3, 1fr); gap: 10px; }
        }
        @media (max-width: 767px) {
            .hero-title { font-size: 1.85rem; }
            .hero-banner { padding: 50px 0; }
            .section-padding { padding: 50px 0; }
            .hero-data-strip { grid-template-columns: 1fr; gap: 14px; }
            .cta-box-wrapper { padding: 40px 20px; }
            .prob-bar-container { width: 100%; }
        }