/* roulang page: index */
:root {
            --primary: #F95738;
            --primary-dark: #E04728;
            --bg-dark: #0F172A;
            --text-dark: #0F172A;
            --text-muted: #64748B;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #1E293B;
            background-color: #F8FAFC;
            line-height: 1.75;
        }
        h1, h2, h3, h4 {
            line-height: 1.25;
            color: #0F172A;
        }
        .hero-clip {
            clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
        }
        @media (max-width: 768px) {
            .hero-clip {
                clip-path: none;
            }
        }
        .text-gradient {
            background: linear-gradient(135deg, #F95738 0%, #FF8A65 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .shadow-soft {
            box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
        }
        .shadow-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .shadow-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 35px -5px rgba(15, 23, 42, 0.12), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
        }
        html {
            scroll-behavior: smooth;
        }
