/* roulang page: index */
:root {
            --primary: #0F52BA;
            --primary-dark: #0B3C8A;
            --accent-green: #00A86B;
            --accent-orange: #FF6B35;
            --bg-base: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-base);
            color: #334155;
            scroll-behavior: smooth;
        }

        .hero-bg {
            background-image: linear-gradient(rgba(11, 25, 44, 0.92), rgba(11, 25, 44, 0.94)), url('/assets/images/fc8faa5f0d8cf34c.jpg');
            background-size: cover;
            background-position: center;
        }

        .cta-bg {
            background-image: linear-gradient(rgba(15, 82, 186, 0.94), rgba(11, 60, 138, 0.96)), url('/assets/images/4dd54f461f814c83.jpg');
            background-size: cover;
            background-position: center;
        }

        .card-shadow {
            border-radius: 16px;
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .card-shadow:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px -4px rgba(15, 82, 186, 0.12);
        }

        .btn-touch {
            min-height: 44px;
            min-width: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }