/* roulang page: index */
:root {
            --primary: #059669;
            --primary-hover: #047857;
            --accent: #f97316;
            --dark-bg: #064e3b;
            --text-main: #0f172a;
            --text-muted: #475569;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            -webkit-font-smoothing: antialiased;
        }
        .hero-video-mask {
            background: linear-gradient(180deg, rgba(6, 78, 59, 0.88) 0%, rgba(15, 23, 42, 0.92) 100%);
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
        }
        .dark-mesh-bg {
            background: radial-gradient(circle at 20% 30%, #065f46 0%, #064e3b 40%, #022c22 100%);
        }