/* roulang page: index */
:root {
            --primary: #0D5C58;
            --primary-dark: #073634;
            --accent: #10B981;
            --highlight: #F59E0B;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-body);
            background-color: #ffffff;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .text-balance {
            text-wrap: balance;
        }
        .hero-pattern {
            background-image: linear-gradient(135deg, rgba(13, 92, 88, 0.94) 0%, rgba(7, 54, 52, 0.97) 100%), url('/assets/images/9a07f532c4826b2f.jpg');
            background-size: cover;
            background-position: center;
        }
        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
        }
        .accordion-content.open {
            max-height: 500px;
            opacity: 1;
        }
        .badge-pulse {
            animation: pulse-ring 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
        }
        @keyframes pulse-ring {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.05); }
        }
