.banner{
    width: 100%;
}
.content{
   width: 1240px;
   margin: auto;
   margin-top: 40px;
   margin-bottom: 70px;
}
.content .left{list-style: none;float: left;margin-right: 60px;}
.content .left li{width: 257px;height: 53px;font-size: 18px;border-bottom: 1px solid #e1e1e1; color: #111111; text-align: center;line-height: 53px;font-weight: 700;}
.content .left li a{color: #757575;}
.content .left li:hover{background: #dddddd;}
.content .left li:hover a{color: #111111;}
.content .right{width: 917px;float: left;}
.content .right .nav{width: 100%;padding-bottom: 10px; border-bottom: 1px solid #ebebeb;font-size: 12px;color: #7e7979;}
.content .right .title{margin-top: 20px;margin-bottom: 33px; font-size: 25px;color: #111111; text-align: center;}
.content .right .items{display: flex;flex-wrap: wrap;margin:auto}
.content .right .item{max-width: 260px;margin-right: 2%;}
.content .right .item img{width: 260px;height: 160px;}
.content .right .item .text{margin-top: 15px;margin-bottom: 25px; font-size: 13px;color: #3f3f3f;text-align: center;}
.content .right .page{float: right;}
.content .right .page li{width: 20px; list-style: none;float: left;font-size: 17px;color: #3f3f3f;}
.news1{height: 40px;font-size: 20px;font-family:"宋体";font-weight: 700;}
.foot_nav li a{color:white}
.active1{background: #dddddd;}
.content .left li .active{color: #111111;}
.nei{line-height:40px}
.sx{background:url('../images/ba.png') no-repeat;
background-size:70%;background-position:center center
}
.bv img{width:358px;height:248px}