/* roulang page: index */
:root {
            --brand-primary: #0F766E;
            --brand-primary-light: #14B8A6;
            --brand-accent: #EA580C;
            --bg-slate-50: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #475569;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        body {
            color: #334155;
            background-color: #FFFFFF;
            overflow-x: hidden;
        }
        .hero-slant {
            clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
        }
        @media (max-width: 768px) {
            .hero-slant {
                clip-path: none;
            }
        }
        .data-glow {
            text-shadow: 0 0 20px rgba(20, 184, 166, 0.35);
        }