/* roulang page: index */
:root {
            --primary: #0F2830;
            --accent: #00BFA5;
            --accent-hover: #00A891;
            --secondary: #2C3E50;
            --bg-light: #F7F9FA;
            --text-dark: #111E24;
            --text-body: #384850;
            --text-muted: #6A7B82;
            --border-color: #E2E8F0;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.75;
        }

        .container-custom {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .glass-card {
            background: #ffffff;
            border: 1px solid #E8ECEF;
            border-radius: 12px;
            box-shadow: 0 4px 20px -2px rgba(15, 40, 48, 0.05);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px -4px rgba(15, 40, 48, 0.12);
            border-color: rgba(0, 191, 165, 0.4);
        }

        .badge-chip {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 600;
        }

        .hero-bg {
            background: linear-gradient(135deg, rgba(10, 24, 28, 0.94) 0%, rgba(15, 40, 48, 0.88) 100%), url('/assets/images/9aa60008a96c135c.webp') center/cover no-repeat;
        }

        .dark-banner {
            background: linear-gradient(180deg, #0A181C 0%, #0F2830 100%);
        }

        details summary::-webkit-details-marker {
            display: none;
        }

        summary {
            list-style: none;
        }