/* roulang page: index */
:root {
            --primary: #0F2B48;
            --accent: #E58A13;
            --darkness: #0B0F17;
            --text-main: #111827;
            --text-muted: #4B5563;
            --border-color: #E5E7EB;
        }

        body {
            color: var(--text-main);
            background-color: #FFFFFF;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            -webkit-font-smoothing: antialiased;
        }

        .hero-overlay {
            background: linear-gradient(135deg, rgba(15, 43, 72, 0.94) 0%, rgba(11, 15, 23, 0.92) 100%);
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .card-shadow {
            box-shadow: 0 4px 20px -2px rgba(15, 43, 72, 0.06), 0 2px 6px -1px rgba(15, 43, 72, 0.03);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .card-shadow:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 32px -4px rgba(15, 43, 72, 0.12), 0 6px 12px -2px rgba(15, 43, 72, 0.06);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.35s ease;
        }

        .accordion-item.active .accordion-content {
            max-height: 240px;
        }

        .accordion-item.active .accordion-icon {
            transform: rotate(180deg);
        }

        .badge-amber {
            background-color: #FEF3C7;
            color: #92400E;
            border: 1px solid #FCD34D;
        }