/* roulang page: index */
:root {
            --primary: #00C853;
            --primary-glow: rgba(0, 200, 83, 0.35);
            --accent: #FF3D00;
            --gold: #E5B54F;
            --gold-gradient: linear-gradient(135deg, #FFE29F 0%, #D4AF37 50%, #9A7B20 100%);
            --dark-bg: #0B0E14;
            --card-bg: #141B26;
            --card-border: rgba(255, 255, 255, 0.08);
            --text-main: #F8FAFC;
            --text-muted: #94A3B8;
        }

        body {
            background-color: var(--dark-bg);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        /* 磨砂玻璃效果 */
        .glass-panel {
            background: rgba(20, 27, 38, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
        }

        .gold-border {
            border: 1px solid rgba(229, 181, 79, 0.4);
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
        }

        /* 动效过渡 */
        .btn-glow {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px -5px var(--primary-glow);
        }

        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 200, 83, 0.4);
            box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.6);
        }

        /* 隐藏滚动条但保留功能 */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        /* 手风琴折叠平滑 */
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary .faq-icon {
            transform: rotate(180deg);
        }