html,body{
	width: 100%;
	height: 100%;
}
body {
  font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif;
  font-size: 0.7rem;
  color: #717171;
  margin: 0;
  padding: 0;
}

ul, li, p, h1, h2, h3, h4, h5, h6, dl, dd, dt, input, button, select {
  margin: 0;
  padding: 0;
  list-style: none;
  border: none;
  outline: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
}

img {
  border: 0;
}

select, input, button {
  font-family: '微软雅黑';
}
pre{
	font-family: '微软雅黑';
	white-space: pre-wrap;
}
.lf {
  float: left;
}

.rt {
  float: right;
}

.clear {
  clear: both;
}

a {
  color: #007b91;
  text-decoration: none;
  outline: none;
}
img[src=""],img:not([src]){
	opacity:0;
	display: none;
}
*{
	box-sizing: border-box;
}

a.back{
	position: fixed;
	top: 0;
	left: 0;
	display: block;
	width: 100%;
	height: 1.2rem;
	line-height: 1.2rem;
	background: #f3f3f3;
	z-index: 111;
}
a.back>svg{
	width: 1.2rem;
	height: 1.2rem;
	padding: 0.3rem;
}
.copy-right{
	display: none;
	clear: both;
}
.copy-right p{
	line-height: 20px;
	font-size: 14px;
	text-align: center;
	color: #999;
}
/*下边框1px显示  */
.border-down-1px::after{
  content:" ";
  width:200%;
  height:200%;
  position:absolute;
  top:0; 
  left:0;
  border-bottom:1px solid rgba(0, 0, 0, 0.2);
  -webkit-transform:scale(0.5);
  transform:scale(0.5);
  -webkit-transform-origin:0 0;
  transform-origin:0 0;
  /*z-index: 999;*/
}
/*下边框1px显示（黑色边框）  */
.border-down-1px-black::after{
  content:" ";
  width:200%;
  height:200%;
  position:absolute;
  top:0; 
  left:0;
  border-bottom:1px solid rgba(0, 0, 0, 1);
  -webkit-transform:scale(0.5);
  transform:scale(0.5);
  -webkit-transform-origin:0 0;
  transform-origin:0 0;
  /*z-index: 999;*/
}

@media only screen and (min-width: 1080px) and (max-width: 1366px) {
	html{
		font-size: 40px!important;
	}
}
@media only screen and (min-width: 1367px) and (max-width: 1920px) {
	html{
		font-size: 56px!important;
	}
}
/*@media only screen and (min-width: 1921px) and (max-width: 2560px) {
	html{
		font-size: 100px!important;
	}
}
@media only screen and (min-width: 2561px) and (max-width: 3840px) {
	html{
		font-size: 152px!important;
	}
}
@media only screen and (min-width: 3841px) and (max-width: 7680px) {
	html{
		font-size: 300px!important;
	}
}*/
.back_btn{
	position: fixed;
	top: 15px;
	width: 32px;
	height: 32px;
	background: url(../img/icon_back.png) no-repeat center center;
	background-size: 100%;
	z-index: 99;
}
.back_btn_left{
	left: 20px;
}
.back_btn_right{
	right: 20px;
}
.back_btn_shadow{
	background: rgba(0,0,0,0.3) url(../img/icon_back.png) no-repeat center center;
	background-size: 80%;
	border-radius: 50%;
	box-shadow: 0 0 5px 0 rgba(0,0,0,0.3);
}