/* roulang page: index */
:root {
            --color-dark: #0F172A;
            --color-primary: #2563EB;
            --color-emerald: #059669;
            --color-bg: #F8FAFC;
            --color-border: #E2E8F0;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--color-bg);
            color: #1E293B;
            -webkit-font-smoothing: antialiased;
        }
        .din-font {
            font-family: "DIN Alternate", "Roboto Mono", monospace;
        }
        .bento-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .bento-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
            border-color: #CBD5E1;
        }