/* roulang page: index */
:root {
            --bg-base: #0A0B0E;
            --bg-surface: #12141A;
            --gold: #C5A880;
            --gold-border: rgba(197, 168, 128, 0.2);
            --gold-glow: rgba(197, 168, 128, 0.12);
            --mint: #00E5A3;
            --text-main: #F5F7FA;
            --text-muted: #7E8B9B;
        }
        * {
            box-sizing: border-box;
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            letter-spacing: 0.01em;
            line-height: 1.75;
            overflow-x: hidden;
        }
        .text-gold-gradient {
            background: linear-gradient(135deg, #F5F7FA 10%, #C5A880 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .gold-border {
            border: 1px solid var(--gold-border);
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            border-color: rgba(197, 168, 128, 0.45);
            box-shadow: 0 16px 36px -12px var(--gold-glow);
        }
        .hero-diagonal-slice {
            clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
        }
        @media (max-width: 768px) {
            .hero-diagonal-slice {
                clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
            }
        }
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-track {
            background: #12141A;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #C5A880;
            border-radius: 3px;
        }