body,html{
    width: 100%;
    height: 100%;
}

/* .poster{
    width: 100%;
    height: 800px;
    background: url(../../sjimg/banner.png) no-repeat;
    background-size: 100% 100%;
} */
/* banner部分 */
.poster{
    width: 100%;
    position: relative;
}
.poster img{
    width: 100%;
    height: 100%;
    margin: auto;
}
.poster a{
    display: block;
    width: 910px;
    height: 100px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 45px;
}
/* 导航 */
nav{
    width: 100%;
    height: 90px;
    background: #082F75;
}
nav ul{
    width: 1200px;
    margin: 0 auto;
    padding-top: 25px;
}
nav ul li{
    float: left;
    width: 196px;
    height: 41px;
    background: url(../sjimg/nav_ac.png) no-repeat;
    background-size: 100% 100%;
    text-align: center;
    line-height: 41px;
    color: #fff;
    margin-right: 138px;
}
nav ul li:hover{
    background: url(../sjimg/nav.png) no-repeat;
    color: #59F0FB;
}
.active{
    background: url(../sjimg/nav.png) no-repeat;
    color: #59F0FB;
}
nav ul a:nth-child(4) li{
    margin-right: 0px;
}
.App{
    background-color: #F5F5F5;
}
.mian{
    width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    padding: 0 30px;
    box-sizing: border-box;
    padding-bottom: 30px;
}

.Activity_Video{
    width: 100%;

}
 h3{
    padding-left: 20px;
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #3876FF;
    line-height: 54px;
    position: relative;
    padding-top: 30px ;
    padding-bottom: 10px;
}
 h3::before{
    display: block;
    content:"";
    width: 6px;
    height: 32px;
    background: #3876FF;
    position: absolute;
    top: 40px;
    left: 1px;
}
.Video{
    float: left;
    width: 50%;
    height: 310px;
}
video{
    width: 100%;
    height: 310px;
    border: none;
}
.inte{
    float: left;
    width: 50%;
}
.title_{
    padding-left: 30px;
    height: 57px;
    background: #3876FF;
    line-height: 57px;
    font-size: 20px;
    font-weight: bold;
    color: #FFFFFF;
}
.tit2{
    padding-left: 30px;
    width: 387px;
    color: #333333;
    line-height: 27px;
    margin: 20px 0;
}
.tit3{
    width: 506px;
    text-indent:2em;
height: 133px;
font-size: 14px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #6B6B6B;
line-height: 40px;
margin: 0 auto;
}

.focusing{
    width: 100%;

}

.focusing_left{
    width: 550px;
    margin-right: 40px;
    float: left;
}
.focusing_right{
    width: 550px;
    float: right;
}

.focusing_top{
    width: 550px;
    height: 78px;
}
.focusing_top .img_box{
    width: 210px;
    height: 78px;
    float: left;
}
.focusing_top img{
    width: 100%;
    height: 100%;
}
.focusing_text{
    float: left;
    width: 309px;
    margin-left: 22px;
}
.ti1{
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #6B6B6B;
    line-height: 27px;
}
.ti1 span{
    color: #3876FF;
}
.ti2{
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #6B6B6B;
    line-height: 26px;
}
.bl{
    color: #3876FF;
}

.rg{
    position: absolute;
    right: 0;
}
.scene img{
    /* margin-right: 16px; */
}
.scene div .img_m{
    margin-right: 0px;
}




.focusing ul li{
    color: #6B6B6B;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 50px;
    position: relative;
}












.foot{
    width: 1200px;
    height: 36px;
    font-size: 20px;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 36px;
    margin: 0px auto;
    text-align: center;
    padding: 40px 0;
}

.foot{
    color: #6B6B6B;
}