/* roulang page: index */
:root {
            --primary: #0052D9;
            --accent: #00A870;
            --dark-bg: #0F141C;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        .text-shadow-sm {
            text-shadow: 0 1px 2px rgba(0,0,0,0.4);
        }
        .hero-mesh {
            background-color: #0F141C;
            background-image: radial-gradient(at 0% 0%, rgba(0, 82, 217, 0.25) 0px, transparent 50%),
                              radial-gradient(at 100% 100%, rgba(123, 97, 255, 0.2) 0px, transparent 50%),
                              radial-gradient(at 50% 50%, rgba(0, 168, 112, 0.15) 0px, transparent 50%);
        }