:root{--primary: #1558B0;--primary-light: #E8F0FD;--primary-dark: #0D3D78;--accent: #0369A1;--success: #059669;--success-light: #DCFCE7;--warning: #D97706;--warning-light: #FEF3C7;--error: #DC2626;--error-light: #FEE2E2;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DB;--gray-400: #9CA3AF;--gray-500: #6B7280;--gray-600: #4B5563;--gray-700: #374151;--gray-800: #1F2937;--gray-900: #111827;--font: -apple-system, BlinkMacSystemFont, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition: all .2s ease;--bg: #F8FAFC;--panel: #ffffff;--text: #111827;--line: #E5E7EB}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);color:var(--gray-900);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}#app{min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}ul,ol{list-style:none}button{cursor:pointer;border:none;background:none;font-family:var(--font)}input,textarea,select{font-family:var(--font)}.toast-container{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{background:var(--gray-900);color:#fff;padding:12px 20px;border-radius:var(--radius-lg);font-size:14px;box-shadow:var(--shadow-xl);animation:slideDown .3s ease;display:flex;align-items:center;gap:8px;white-space:nowrap}.toast-success{background:var(--success)}.toast-error{background:var(--error)}.toast-warning{background:var(--warning)}@keyframes slideDown{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}