/* roulang page: index */
:root {
            --brand-primary: #05F18E;
            --brand-dark: #0B0F19;
            --brand-blue: #1A56DB;
            --brand-accent: #FF5A1F;
        }
        html { scroll-behavior: smooth; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }
        .gold-badge-gradient {
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2416 50%, #151515 100%);
            border: 1px solid rgba(212, 175, 55, 0.35);
        }