*{box-sizing:border-box;margin:0;padding:0}body{color:#333;-webkit-font-smoothing:antialiased;background:#f5f5f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}#app{min-height:100vh}@media (width<=768px){html{font-size:14px}}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-size:14px;transition:all .3s}.btn-primary{color:#fff;background:#4caf50}.btn-primary:hover{background:#45a049}.btn-secondary{color:#333;background:#f0f0f0}.card{background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 8px #00000014}.form-input{border:1px solid #ddd;border-radius:8px;outline:none;width:100%;padding:12px;font-size:14px}.form-input:focus{border-color:#4caf50}.page-container{max-width:1200px;margin:0 auto;padding:16px}.bottom-nav{z-index:100;background:#fff;justify-content:space-around;padding:8px 0;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -2px 8px #00000014}.nav-item{color:#999;flex-direction:column;align-items:center;font-size:12px;text-decoration:none;display:flex}.nav-item.active{color:#4caf50}.nav-icon{margin-bottom:2px;font-size:24px}