/* roulang page: index */
:root {
            --bg-base: #060B19;
            --bg-surface: #0B132B;
            --card-surface: rgba(17, 29, 64, 0.65);
            --border-glow: rgba(0, 240, 255, 0.22);
            --cyan-glow: #00F0FF;
            --primary-blue: #1E6BFF;
            --accent-green: #00E676;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-base);
            color: #F8FAFC;
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            overflow-x: hidden;
        }

        .hud-card {
            background: var(--card-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glow);
            box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.1), 0 10px 30px -10px rgba(0, 0, 0, 0.5);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .hud-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.2), 0 15px 35px -5px rgba(0, 240, 255, 0.15);
            transform: translateY(-4px);
        }

        .btn-glow-primary {
            background: linear-gradient(135deg, #1E6BFF 0%, #00D2FF 100%);
            box-shadow: 0 0 20px rgba(0, 210, 255, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.4);
            transition: all 0.25s ease;
        }

        .btn-glow-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.75), inset 0 1px 2px rgba(255, 255, 255, 0.6);
        }

        .btn-glow-secondary {
            background: rgba(30, 107, 255, 0.15);
            border: 1px solid rgba(0, 240, 255, 0.4);
            transition: all 0.25s ease;
        }

        .btn-glow-secondary:hover {
            background: rgba(30, 107, 255, 0.3);
            border-color: #00F0FF;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .badge-cyan {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: #00F0FF;
        }

        .badge-green {
            background: rgba(0, 230, 118, 0.12);
            border: 1px solid rgba(0, 230, 118, 0.35);
            color: #00E676;
        }

        .pulse-dot {
            animation: pulse-ring 2s infinite;
        }

        @keyframes pulse-ring {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.2); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.8; }
        }

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