.fl {
  float: left;
}
.fr {
  float: right;
}
/*清除浮动*/
.clearfix:before,
.clearfix:after {
  content: " ";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
  /*IE/7/6*/
}
/*定位居中*/
.middle {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.s-side {
  z-index: 999;
  width: 70%;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.8);
  box-shadow: 0px 0px 10px #313131;
  padding: 10px;
  margin-left: -73%;
}
.s-side .s-firstItem i {
  font-size: 14px;
}
.s-side .s-firstItem span {
  display: inline-block;
  margin-left: 1px;
  font-size: 20px;
}
.s-side .first {
	padding: 0px 0px;
	border-bottom: 1px solid #424242;
}
.s-side .first a{color: #f2f2f2;font-size: 14px;display: block;padding: 10px 0px;}
.s-side .first a span{font-size: 14px;}
.s-side .d-firstNav span {

  display: inline-block;
  margin-left: 1px;
  padding: 10px 0px;
}
.s-side .d-firstNav i.fr {
  font-size: 25px;
  line-height: 41px;
}
.s-side .s-secondNav,
.s-side .s-secondItem {
  margin-left: 30px;
  margin-top: 10px;

}
.s-secondItem a{color: #f2f2f2;  padding: 10px 0px;}
.s-side .d-secondDrop {
  margin-left: 100px;
  margin-top: 40px;
}
.iconRotate {
  transform: rotate(90deg);
  transition: transform 0.5s;
}
.s-firstDrop,
.s-secondDrop {
  display: none;
}
.zhegai{z-index: 990; display: none; width: 100%;height: 100%; background: rgba(0,0,0,0.3);position: absolute;top: 0px;left:0px;}
.s-side i{color: #f2f2f2;}
.s-side span{color: #f2f2f2;}