*{
    padding: 0;
    margin: 0;
    list-style: none;
}
.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: 1660px;
     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 .wrapper{
    position: absolute;
    top: 235px;
    left: 5px;
}
.cont .wrapper li{
    float: left;
    margin: 10px;
}
.cont .wrapper li video{
    width: 575px;
    height: 323px;
}

/* 底部 */
.bottom{
    position: relative;
    height: 240px;    
}
.bottom .bot {
    position: absolute;
    top: 0;
    width: 100%;
    height: 240px;
    min-width: 1200px;
}

.bottom .boxx{
    overflow: hidden;
}
.bottom .boxx ul{
    margin-top: 30px;
}
.bottom .boxx ul li{
    width: 225px;
    height: 190px;
    float: left;
    position: relative;
    color: #FFFFFF;
    font-size: 14px;
    margin-left: 10px;
}
.bottom .boxx ul li p a{
    color: #FFFFFF;
    text-decoration: none;
}
.bottom .boxx ul .test{
    width: 415px
}
.bottom .boxx ul li::before{
    content: '';
    display: block;
    width: 1px;
    height: 260px;
    background-color: #FFFFFF;
    position: absolute;
    top: 1px;
    left: -10px;
}
.bottom .boxx ul li p{
   line-height: 25px;
   cursor:pointer
}
.bottom .boxx ul li p:hover{
    opacity: 0.8;
}
.bottom .boxx ul li .dist{
   margin-top: 15px;
}
.bottom .boxx ul li .sign_01{
    text-indent: 40px;
}