*,::before,::after{box-sizing:border-box;border-width:0;border-style:solid;border-color:currentColor}
html{line-height:1.5;-webkit-text-size-adjust:100%;tab-size:4;font-family:"PingFang SC",Arial,"Hiragino Sans GB","Microsoft YaHei",sans-serif}
body{margin:0}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ol,ul,menu{margin:0;padding:0;list-style:none}
button,input,optgroup,select,textarea{margin:0;padding:0;color:inherit;font:inherit}
button,[type=button],[type=reset],[type=submit]{appearance:button;background-color:transparent;background-image:none}
img,svg{display:block;vertical-align:middle}
img{max-width:100%;height:auto}