/* roulang page: index */
:root {
            --bg-deep: #070a10;
            --bg-card: rgba(17, 24, 39, 0.75);
            --border-card: rgba(255, 255, 255, 0.08);
            --brand-gradient: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
            --accent-glow: rgba(6, 182, 212, 0.15);
        }
        
        body {
            background-color: var(--bg-deep);
            color: #E2E8F0;
            overflow-x: hidden;
        }

        .custom-gradient-text {
            background: linear-gradient(135deg, #A78BFA 0%, #38BDF8 50%, #F43F5E 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            backdrop-filter: blur(12px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .brand-card:hover {
            border-color: rgba(6, 182, 212, 0.35);
            transform: translateY(-4px);
            box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.7), 0 0 20px -5px rgba(6, 182, 212, 0.2);
        }

        .badge-pulse {
            position: relative;
        }
        .badge-pulse::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            border-radius: 9999px;
            background: inherit;
            animation: pulse-ring 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
            z-index: -1;
        }

        @keyframes pulse-ring {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.4); opacity: 0; }
            100% { transform: scale(1.4); opacity: 0; }
        }

        /* 滚动条定制 */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0B0F19;
        }
        ::-webkit-scrollbar-thumb {
            background: #1E293B;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #334155;
        }

/* roulang page: category1 */
:root {
            --bg-deep: #070a10;
            --bg-card: rgba(17, 24, 39, 0.75);
            --border-card: rgba(255, 255, 255, 0.08);
            --brand-gradient: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
            --accent-glow: rgba(6, 182, 212, 0.15);
        }
        body {
            background-color: var(--bg-deep);
            color: #E2E8F0;
            overflow-x: hidden;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        .brand-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            backdrop-filter: blur(12px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .brand-card:hover {
            border-color: rgba(6, 182, 212, 0.35);
            transform: translateY(-4px);
            box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.7), 0 0 20px -5px rgba(6, 182, 212, 0.2);
        }
        .badge-pulse {
            position: relative;
        }
        .badge-pulse::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            border-radius: 9999px;
            background: inherit;
            animation: pulse-ring 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
            z-index: -1;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.3); opacity: 0; }
            100% { transform: scale(0.95); opacity: 0; }
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 5px;
            height: 5px;
        }
        .custom-scrollbar::-webkit-scrollbar-track {
            background: #0B0F19;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #1f2937;
            border-radius: 4px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb:hover {
            background: #06B6D4;
        }