/* roulang page: index */
:root {
            --primary-color: #0f242a;
            --accent-emerald: #10b981;
            --accent-hover: #059669;
            --bg-deep: #0a191e;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-sub: #475569;
            --border-light: #e2e8f0;
            --shadow-card: 0 4px 20px -2px rgba(15, 36, 42, 0.05);
            --shadow-hover: 0 12px 32px -4px rgba(15, 36, 42, 0.12);
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            overflow-x: hidden;
        }

        .custom-card {
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: 1rem;
            box-shadow: var(--shadow-card);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .custom-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #cbd5e1;
        }

        .btn-emerald {
            background-color: var(--accent-emerald);
            color: #ffffff;
            font-weight: 600;
            transition: all 0.2s ease-in-out;
        }

        .btn-emerald:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
        }

        .slider-dot.active {
            width: 2rem;
            background-color: var(--accent-emerald);
        }

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

        .faq-item.active .faq-content {
            max-height: 280px;
        }

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

        .badge-status {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 500;
        }