*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}html,body{margin:0;padding:0;background-color:#f5f6f8;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;font-size:14px;color:#1a1d24}#app{min-height:100vh;max-width:640px;margin:0 auto;background-color:#f5f6f8}.nav-bar{position:sticky;top:0;z-index:100;height:44px;display:flex;align-items:center;padding:0 12px;background:#fff;box-shadow:0 1px 4px #0000000f}.nav-bar__title{flex:1;text-align:center;font-size:16px;font-weight:600;color:#1a1d24}.nav-bar__back{width:44px;height:44px;display:flex;align-items:center;justify-content:flex-start;font-size:18px;color:#1a1d24;cursor:pointer}.nav-bar__right{width:44px}.card{background:#fff;border-radius:10px;padding:12px}.price{color:#ff4d4f;font-weight:700}.safe-bottom{height:env(safe-area-inset-bottom)}