*{
    padding: 0;
    margin: 0;
    list-style: none;
    transition: all 0.15s;
    -webkit-transition: all 0.15s;
}
.box{
    width: 100%;
}
.nav{
    width:100%;
    background-color:#D1000F;
    min-width: 1200px;
}
.wrap{
    width:1200px;
    margin: 0 auto;
    position: relative;
}
.nav .l-content{
    width:1200px;
    height: 90px;
    position: relative;
    margin: 0 auto;
}
.nav .l-content .img{
    position: absolute;
    top: 25px;
}
.nav .l-content ul li{
    float: right;
    color: #FFFFFF;
    font-size: 16px;
    line-height: 90px;
    cursor:pointer 
}
.nav .l-content ul li a{
    color: #FFFFFF;
    text-decoration: none;
 }
.nav .l-content ul li:hover {
    opacity: 0.8;
}
.nav .l-content ul .txt{
    margin-left: 45px;
    position: relative;
}
.nav .l-content ul .txt::after{
    content: '';
    display: block;
    width: 2px;
    height: 18px;
    background-color: #FFFFFF;
    position: absolute;
    top: 38px;
    left: -25px;
}
/* 头部结束 */
/* 中间 */
.cont{
    position: relative; 
    height:1400px;
     min-width: 1200px;
     overflow: hidden;
}
.cont .bg_bg{
    width: 100%;
    position: absolute;
    top: 0;
}
.cont .tu{
    width: 100%;
    text-align: center;
}
.cont .tu .pm{
    margin: 60px auto auto auto;
}
.cont .boxx{
    width: 1172px;
    height: auto;
}
.cont .boxx ul li{
    float: left;
    width: 200px;
    height: 100px;
    margin-left: 31px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content:center;
    -webkit-transition: all 1s;
    -moz-transition: all 1s;
    -ms-transition: all 1s;
    transition: all 1s;
}
.cont .boxx ul li:hover{
    opacity: 0.8;
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -ms-transform:scale(1.1);
    transform: scale(1.1);
}
/* 中间 */