  --bg-dark: #0f172a;
            --bg-light: #1e293b;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --glass-bg: rgba(30, 41, 59, 0.7);
            --glass-border: rgba(255, 255, 255, 0.1);
            --transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        bo