/* roulang page: index */
:root {
            --primary: #0F2744;
            --secondary: #0E7490;
            --accent: #EA580C;
            --accent-hover: #C2410C;
            --darknavy: #0B132B;
            --bg-light: #F8FAFC;
            --border-color: #E2E8F0;
        }

        body {
            background-color: var(--bg-light);
            color: #334155;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        .clip-slant {
            clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
        }

        @media (max-width: 768px) {
            .clip-slant {
                clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
            }
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .hero-mesh {
            background: linear-gradient(135deg, #0B132B 0%, #0F2744 60%, #155E75 100%);
        }

        .transition-standard {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }