:root{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;font-weight:400;color-scheme:light;--primary-red: #f65e5e;--primary-red-hover: #f44444;--primary-red-light: #ffeaea;--primary-red-dark: #e54545;--primary-gray: #4a5568;--primary-gray-hover: #2d3748;--primary-gray-light: #718096;--secondary-gray: #f7fafc;--secondary-gray-dark: #edf2f7;--secondary-gray-medium: #e2e8f0;--neutral-50: #fafafa;--neutral-100: #f4f4f5;--neutral-200: #e4e4e7;--neutral-300: #d4d4d8;--neutral-400: #a1a1aa;--neutral-500: #71717a;--neutral-600: #52525b;--neutral-700: #3f3f46;--neutral-800: #27272a;--neutral-900: #18181b;--text-primary: #1a202c;--text-secondary: #4a5568;--text-tertiary: #718096;--text-muted: #a0aec0;--text-white: #ffffff;--border-light: #e2e8f0;--border-medium: #cbd5e0;--border-dark: #a0aec0;--background-primary: #ffffff;--background-secondary: #f7fafc;--background-tertiary: #edf2f7;--background-light: #fcfcfc;--background-hover: #f1f5f9;--background-dark: #1a202c;--shadow-light: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-heavy: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--gradient-primary: linear-gradient(135deg, #f65e5e, #f44444);--gradient-secondary: linear-gradient(135deg, #667eea, #764ba2);--radius-small: 6px;--radius-medium: 12px;--radius-large: 16px;--radius-round: 50%;color:var(--text-primary);background-color:var(--background-secondary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;min-width:320px;min-height:100vh;font-family:var(--font-family);background-color:var(--background-secondary);color:var(--text-primary);line-height:1.6}#app{min-height:100vh}a{font-weight:500;color:var(--primary-red);text-decoration:inherit}a:hover{color:var(--primary-red-hover)}button{font-family:inherit;cursor:pointer}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600}input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit}img{max-width:100%;height:auto;display:block}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--neutral-100)}::-webkit-scrollbar-thumb{background:var(--neutral-300);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--neutral-400)}::selection{background:var(--primary-red-light);color:inherit}html{overflow-x:hidden}html,body{min-height:100%;margin:0;padding:0}