/* roulang page: index */
:root {
            --color-primary: #0F52BA;
            --color-primary-dark: #1E3A8A;
            --color-accent: #06B6D4;
            --color-alert: #EA580C;
            --bg-light: #F8FAFC;
            --bg-dark: #0B1120;
            --border-default: #E2E8F0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        body {
            background-color: #ffffff;
            color: #1e293b;
            line-height: 1.6;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 9999px;
            background-color: #ecfeff;
            color: #0e7490;
            border: 1px solid #a5f3fc;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        }

        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.94) 0%, rgba(15, 82, 186, 0.88) 100%), url('/assets/images/8cca5a543d344227.jpg') center/cover no-repeat;
        }

        .card-custom {
            border-radius: 1.25rem;
            background: #ffffff;
            border: 1px solid #e2e8f0;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(15, 82, 186, 0.08), 0 8px 10px -6px rgba(15, 82, 186, 0.04);
            border-color: #93c5fd;
        }

        .grid-blueprint {
            background-image: radial-gradient(rgba(14, 165, 233, 0.15) 1px, transparent 1px);
            background-size: 24px 24px;
        }

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