/* roulang page: index */
:root {
            --primary: #0F2942;
            --accent: #00E599;
            --dark-bg: #081420;
            --card-bg: #132E4A;
            --text-main: #0F172A;
            --text-muted: #64748B;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #F8FAFC;
            line-height: 1.75;
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 229, 153, 0.4);
        }
        .glass-panel {
            background: rgba(15, 41, 66, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .glass-card {
            background: rgba(19, 46, 74, 0.6);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }