.about{
	padding-top: 0;
	padding-bottom: 0;
}

.about-tabs{
    width: 100%;
    white-space: nowrap;
    text-align: center;
    overflow: hidden;
     background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
    
}
.about-tabs .tabs-item{
    /* max-width: 8.625rem; */
    margin:0 1.5625rem;
    line-height: 5rem;
    color: #717171;
    width: 8.625rem;
    display: inline-block;
    cursor:pointer;
}
.about-tabs .tabs-item.cur{
    color: #201D1C;
    border-bottom: 1px #4C515F solid;
}
.about-tabs-inner{
    min-width:73.75rem;
    width:100%;
}
/*========================= title  1==================END*/



.lishi_title {
    margin: 40px 0 50px 0;
}
.lishi_title .lishi_title_top{
    margin-bottom: 40px;
    font-size: 30px;
    text-align: center;
}
.lishi_title .lishi_title_down{
    font-size: 18px;
    text-align: center;
    line-height: 24px;
}
.lishi_title .lishi_title_down span{
    display: block;
    color: #b6a173;
}
/*========================= title  2==================END*/

/*========================= PC==================*/
.all{
	position: relative;
	overflow: hidden;
}
.lishi_1{
	width: 100%;
}
.lishi_1 .left,.lishi_1 .right{
	padding: 0;
}
.lishi_1 .left{
	padding: 0;
	float: left;
}
.lishi_1 .left .left_img{
	margin: 0px 50px 20px 0;
	


}
.lishi_1 .left .left_img img{
	width: 100%;
}
.lishi_1 .right {
	float: right;
}
.lishi_1 .right .right_content{
	margin-left: 50px;
}
.lishi_1 .right .right_content .span_1{
	color: #333;
    margin-top: 40px;
    font-size: 30px;
    display: block;
    
}

.lishi_1 .right .right_content .span_1 i{
	font-size: 60px;
    color: #b6a173;
    margin-right: 20px;
}

.lishi_1 .right .right_content .span_2{
	color: #666;
    line-height: 24px;
    
    margin-top: 30px;
    font-size: 14px;
    display: block;
}
.lishi_1 .right .right_content .ab{
	width: 9px;
	height: 9px;
	position: absolute;
	top: 64px;
    left: -4px;
}


/*分割线*/
.fengexian{
    height: 100%;
    width: 1px;
    left: 50%;
    top: 0;
    border-left: #b6a173 1px solid;
    display: block;
    position: absolute;
}
@media (min-width:799px) {
  .lishi_add .add_fr{
	float: right;
}
.lishi_add .add_fl{
	float: left;
}

.lishi_add .add_fr .left_img{
	margin: 0 0 0 50px;
}
.lishi_add .right.add_fl .right_content {
    margin: 0 50px 0 0px;
}
.lishi_add .right.add_fl .right_content .ab{
	
    right: -5px;
    left: auto;
}

 .lishi_add .right.add_fl .right_content .span_1,
.lishi_add .right.add_fl .right_content .span_2{
	float: left;
 }
 
 /*动画*/
.lishi_1 .left,
.lishi_1 .right {
	-webkit-transition: all .5s ease-in-out;
	transition: all .5s ease-in-out;
}

.lishi_add2 .left {
	margin-left: -50%;
}

.lishi_add2 .left.cur1 {
	margin-left: 0px;
}

.lishi_add2 .right {
	margin-right: -50%;
}

.lishi_add2 .right.cur2 {
	margin-right: 0px;
}
 
 
 
 
 
.lishi_add .left {
	margin-right: -50%;
}

.lishi_add .left.cur1 {
	margin-right: 0px;
}

.lishi_add .right {
	margin-left: -50%;
}

.lishi_add .right.cur2 {
	margin-left: 0px;
 }
}



/*========================= 手机==================END*/
@media (max-width: 750px) {
   .lishi_title {
      margin: 20px 0 25px 0;
  }
  .lishi_title .lishi_title_top{
  	margin-bottom: 20px;
    font-size: 20px;
    text-align: center;
    font-weight: bold;

  }
  .lishi_title .lishi_title_down{
  	font-size: 12px;
  	padding: 0 20px;
  }
  .fengexian{
  	left: 20px;
  }
  .lishi_1 .left .left_img{
  	margin: 0 20px 0 40px;
  }
  .lishi_1 .right .right_content .span_1{
  	font-size: 14px;
  	margin-top: 10px;
  }
  .lishi_1 .right .right_content{
  	margin-left: 40px;
  }
  .lishi_1 .right .right_content .span_1 i{
  	font-size:24px;
  }
  .lishi_1 .right .right_content .span_2{
  	margin: 0 0 40px 0;
  }
  .lishi_1 .right .right_content .ab{
  	top: 13px;
    left: 16px;
  }
}