/* roulang page: index */
:root {
            --bg-main: #0B0F17;
            --bg-card: #131B2B;
            --bg-surface: #1E293B;
            --primary: #7C3AED;
            --accent-cyan: #06B6D4;
            --accent-green: #10B981;
            --text-light: #F8FAFC;
            --text-muted: #94A3B8;
            --border-dim: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(124, 58, 237, 0.45);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-muted);
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        /* 顶部毛玻璃效果与全局样式规范 */
        .glass-header {
            background: rgba(11, 15, 23, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .custom-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dim);
            border-radius: 0.75rem;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .custom-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 0 16px rgba(124, 58, 237, 0.2);
        }

        .btn-gradient {
            background: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
            transition: all 0.3s ease;
        }

        .btn-gradient:hover {
            opacity: 0.94;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px -3px rgba(124, 58, 237, 0.45);
        }

        .glow-text-cyan {
            text-shadow: 0 0 10px rgba(6, 182, 212, 0.4);
        }

        .glow-text-green {
            text-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
        }

        /* 呼吸灯动画 */
        @keyframes pulseGlow {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.85); }
        }

        .live-dot {
            animation: pulseGlow 2s infinite ease-in-out;
        }

        /* 轮播滑动层 */
        .carousel-slide {
            display: none;
            opacity: 0;
            transition: opacity 0.6s ease-in-out;
        }

        .carousel-slide.active {
            display: block;
            opacity: 1;
        }

        /* 滚动条定制 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0F17;
        }
        ::-webkit-scrollbar-thumb {
            background: #1E293B;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #7C3AED;
        }