/* roulang page: index */
:root {
            --bg-base: #0B0F17;
            --bg-card: #111827;
            --primary: #00E599;
            --accent: #00A3FF;
            --warn: #F59E0B;
            --text-main: #F9FAFB;
            --text-muted: #9CA3AF;
            --border-line: rgba(255, 255, 255, 0.08);
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .border-glow:hover {
            border-color: rgba(0, 229, 153, 0.4);
            box-shadow: 0 10px 25px -5px rgba(0, 229, 153, 0.15);
        }
        .glass-panel {
            background: rgba(17, 24, 39, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-line);
        }