/* roulang page: index */
:root {
            --primary: #1E40AF;
            --secondary: #3B82F6;
            --accent: #F97316;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #FFFFFF;
        }
        .bento-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .bento-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 30px -10px rgba(30, 64, 175, 0.12);
        }
        .btn-glow:hover {
            box-shadow: 0 0 20px -3px rgba(249, 115, 22, 0.5);
        }