/* roulang page: index */
:root {
            --bg-main: #060B14;
            --bg-panel: #0C1425;
            --primary-gradient: linear-gradient(135deg, #0066FF 0%, #00F2FE 100%);
            --border-glow: rgba(0, 242, 254, 0.2);
        }
        body {
            background-color: var(--bg-main);
            color: #F8FAFC;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            overflow-x: hidden;
        }
        .glass-panel {
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.09);
        }
        .glass-panel:hover {
            border-color: rgba(0, 242, 254, 0.35);
        }
        .btn-glow {
            background: linear-gradient(135deg, #0066FF 0%, #00F2FE 100%);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-glow:hover {
            box-shadow: 0 0 30px rgba(0, 242, 254, 0.65);
            transform: translateY(-2px);
        }
        .text-gradient {
            background: linear-gradient(135deg, #FFFFFF 20%, #00F2FE 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .accent-gradient {
            background: linear-gradient(135deg, #00F2FE 0%, #0066FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-separator {
            position: relative;
        }
        .section-separator::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 5%;
            width: 90%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.2), transparent);
        }
        /* 原生折叠样式 */
        details summary::-webkit-details-marker {
            display: none;
        }