/* roulang page: index */
:root {
            --primary: #1E40AF;
            --primary-hover: #2563EB;
            --accent: #0D9488;
            --bg-light: #F8FAFC;
            --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --card-hover-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: #334155;
            line-height: 1.6;
        }
        .custom-card {
            background-color: #ffffff;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid #E2E8F0;
        }
        .custom-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-hover-shadow);
            border-color: #CBD5E1;
        }
        .hero-banner {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 64, 175, 0.85) 100%), url('/assets/images/896af7157ce1f543.jpg') center/cover no-repeat;
        }
        .dark-section-bg {
            background: radial-gradient(circle at top right, #1E293B 0%, #0F172A 100%);
        }
        .badge-soft {
            background-color: rgba(13, 148, 136, 0.1);
            color: #0D9488;
            border: 1px solid rgba(13, 148, 136, 0.25);
        }