*,*:before,*:after{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;padding:0;background:#f7f8fa;color:#333;line-height:1.5;-webkit-font-smoothing:antialiased}#app{min-height:100vh}a{color:#4a90e2;text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f0f0f0}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#aaa}.spinner{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}