:root{--bg: #F8F9FB;--surface: #FFFFFF;--surface-hover: #F9FAFB;--primary: #1E3A5F;--primary-hover: #152A45;--accent: #3B82F6;--accent-soft: #EFF6FF;--border: #E5E7EB;--border-dashed: #D1D5DB;--text: #111827;--text-secondary: #6B7280;--text-muted: #9CA3AF;--success: #10B981;--warning: #F59E0B;--error: #EF4444;--shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-card-hover: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);--shadow-panel: 0 8px 30px rgba(0,0,0,.1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:22px;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{cursor:pointer;border:none;background:none}input{outline:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.animate-in{animation:fadeIn .2s ease-out}.animate-shake{animation:shake .2s ease-out}