/* roulang page: index */
:root {
            --primary: #0F141C;
            --surface-dark: #161D26;
            --accent-green: #00E599;
            --accent-orange: #FF5500;
            --gold-start: #D4AF37;
            --gold-end: #F5D77F;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-light: rgba(15, 20, 28, 0.08);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #0B0E14;
            color: #F8FAFC;
            overflow-x: hidden;
        }
        .gold-badge {
            background: linear-gradient(135deg, #D4AF37 0%, #AA7A1E 100%);
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
        }
        .gold-border {
            border: 1px solid rgba(212, 175, 55, 0.35);
        }
        .hero-bg {
            background-image: linear-gradient(180deg, rgba(15, 20, 28, 0.82) 0%, rgba(11, 14, 20, 0.98) 100%), url('/assets/images/650c1832325d169f.jpg');
            background-size: cover;
            background-position: center;
        }
        .card-surface {
            background: #161D26;
            border: 1px solid var(--border-subtle);
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-surface:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 153, 0.35);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
        }
        .light-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
        }
        .light-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.06);
        }
        .accent-glow-green {
            box-shadow: 0 0 25px rgba(0, 229, 153, 0.2);
        }