:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #dbeafe;--color-success: #0e9f6e;--color-warning: #d97706;--color-danger: #dc2626;--color-info: #0891b2;--color-text-primary: #1f2d3d;--color-text-secondary: #475569;--color-text-muted: #94a3b8;--color-text-disabled: #cbd5e1;--color-bg-page: #f5f8fc;--color-bg-card: #ffffff;--color-bg-hover: #f1f5f9;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--font-family-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;--font-family-mono: "SF Mono", "Fira Code", Menlo, monospace;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 18px;--radius-full: 9999px;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .04);--shadow-md: 0 2px 10px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 24px rgba(37, 99, 235, .12);--shadow-xl: 0 12px 40px rgba(0, 0, 0, .12);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--transition-fast: .15s ease;--transition-normal: .25s ease;--z-header: 80;--z-tabbar: 90;--z-modal: 200;--z-toast: 300}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{margin:0;font-family:var(--font-family-base);color:var(--color-text-primary);background-color:var(--color-bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}::selection{background:var(--color-primary-light);color:var(--color-primary-dark)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}:focus:not(:focus-visible){outline:none}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}@supports (-webkit-touch-callout: none){input,select,textarea{font-size:max(16px,1em)!important}}img{max-width:100%;height:auto}button{font-family:inherit;touch-action:manipulation;-webkit-user-select:none;user-select:none}button:not(:disabled):active{transform:scale(.97)}button{transition:transform var(--transition-fast),box-shadow var(--transition-fast)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media print{body{background:#fff}}