/* roulang page: index */
:root {
            --primary: #0284C7;
            --primary-light: #0EA5E9;
            --accent: #F97316;
            --bg-body: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --card-shadow: 0 10px 30px -5px rgba(2, 132, 199, 0.08);
            --card-hover-shadow: 0 20px 35px -5px rgba(2, 132, 199, 0.16);
        }
        body {
            background-color: var(--bg-body);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            -webkit-font-smoothing: antialiased;
        }
        .hero-bg {
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(2, 132, 199, 0.8) 100%), url('/assets/images/0b2a44a44218a542.webp');
            background-size: cover;
            background-position: center;
        }
        .deep-mesh-bg {
            background-image: radial-gradient(at 10% 20%, rgba(14, 165, 233, 0.15) 0px, transparent 50%),
                              radial-gradient(at 90% 80%, rgba(249, 115, 22, 0.12) 0px, transparent 50%);
        }
        .card-custom {
            box-shadow: var(--card-shadow);
            transition: all 0.28s ease-in-out;
        }
        .card-custom:hover {
            box-shadow: var(--card-hover-shadow);
            transform: translateY(-4px);
        }
        .glow-border {
            border: 1px solid rgba(14, 165, 233, 0.35);
            box-shadow: 0 0 15px rgba(14, 165, 233, 0.15);
        }