/* roulang page: index */
:root {
            --primary: #1d4ed8;
            --secondary: #0284c7;
            --surface-bg: #f8fafc;
            --text-main: #0f172a;
            --text-sub: #475569;
            --border-color: #e2e8f0;
        }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background-color: var(--surface-bg);
            color: var(--text-main);
            overflow-x: hidden;
        }
        .tabular-nums {
            font-variant-numeric: tabular-nums;
        }
        .hero-bg {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.78)), url('/assets/images/936a5018fdb89d09.jpg');
            background-size: cover;
            background-position: center;
        }
        .glow-border {
            box-shadow: 0 0 25px -5px rgba(2, 132, 199, 0.25);
        }