html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}table{border-collapse:collapse;border-spacing:0}
* {
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
html,
body {
  margin: 0px;
  font-family: "Microsoft YaHei UI";
}
/* a blue color as a generic focus style */
button:focus-visible {
  outline: 2px solid #4a90e2 !important;
  outline: -webkit-focus-ring-color auto 5px !important;
}
a {
  text-decoration: none;
  color: inherit;
}