/* roulang page: index */
:root {
            --primary: #0f766e;
            --primary-dark: #134e4a;
            --accent: #10b981;
            --bg-slate: #f8fafc;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-slate);
            color: #1e293b;
            line-height: 1.75;
        }
        .hero-bg {
            background-image: linear-gradient(to bottom, rgba(15, 23, 42, 0.75), rgba(15, 118, 110, 0.85)), url('/assets/images/3a3694796116df17.webp');
            background-size: cover;
            background-position: center;
        }
        .dark-section-bg {
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(17, 94, 89, 0.9)), url('/assets/images/71ee98008fe62709.webp');
            background-size: cover;
            background-position: center;
        }
        .text-glow {
            text-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
        }