:root{--primary: #4f46e5;--primary-light: #eef2ff;--danger: #dc2626;--danger-light: #fef2f2;--success: #16a34a;--success-light: #f0fdf4;--warning: #f59e0b;--warning-light: #fffbeb;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-500: #6b7280;--gray-700: #374151;--gray-900: #111827;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--gray-50);color:var(--gray-900);line-height:1.6}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#fff;border-right:1px solid var(--gray-200);padding:20px 0;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{padding:0 20px 20px;font-size:18px;font-weight:700;color:var(--primary);border-bottom:1px solid var(--gray-200);margin-bottom:8px}.sidebar a{display:flex;align-items:center;gap:10px;padding:10px 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