/* roulang page: index */
:root {
            --color-bg: #0a0b10;
            --color-surface: #12141c;
            --color-elevated: #1a1d28;
            --color-primary: #00f0ff;
            --color-secondary: #7928ca;
            --color-success: #10b981;
            --color-text: #f1f5f9;
            --color-text-muted: #94a3b8;
            --border-glow: rgba(0, 240, 255, 0.2);
        }

        body {
            background-color: var(--color-bg);
            color: var(--color-text);
            overflow-x: hidden;
            font-feature-settings: "cv02", "cv03", "cv04", "cv11";
        }

        /* 霓虹发光阴影系统 */
        .neon-glow {
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
        }
        .neon-glow-hover:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.35);
        }
        .neon-purple-glow {
            box-shadow: 0 0 25px rgba(121, 40, 202, 0.25);
        }

        /* 科技网格背景纹理 */
        .tech-grid-bg {
            background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 36px 36px;
        }

        /* 渐变边框效果 */
        .card-cyber-border {
            border: 1px solid rgba(0, 240, 255, 0.15);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-cyber-border:hover {
            border-color: rgba(0, 240, 255, 0.6);
            transform: translateY(-2px);
        }

        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0a0b10;
        }
        ::-webkit-scrollbar-thumb {
            background: #1a1d28;
            border-radius: 4px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00f0ff;
        }
