/* roulang page: index */
:root {
            --primary: #00E599;
            --primary-navy: #0A2540;
            --dark-bg: #0B0E14;
            --accent-orange: #FF5500;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #0B0E14;
            color: #E2E8F0;
            overflow-x: hidden;
        }
        .hero-pattern {
            background-image: linear-gradient(rgba(11, 14, 20, 0.88), rgba(11, 14, 20, 0.96)), url('/assets/images/1dde09c1e5f41a88.png');
            background-size: cover;
            background-position: center;
        }
        .section-pattern-dark {
            background-image: linear-gradient(rgba(11, 14, 20, 0.94), rgba(11, 14, 20, 0.94)), url('/assets/images/e4f53e29a581b2af.webp');
            background-size: cover;
            background-position: center;
        }
        .pulse-indicator {
            box-shadow: 0 0 0 0 rgba(0, 229, 153, 0.7);
            animation: pulse-green 1.8s infinite;
        }
        @keyframes pulse-green {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 153, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 229, 153, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 153, 0); }
        }
        .glow-hover:hover {
            box-shadow: 0 10px 30px -5px rgba(0, 229, 153, 0.25);
            border-color: #00E599;
        }
        .faq-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease;
        }