.big-daddy{
    max-width:1920px;
    margin: 0 auto;
    width: 100%;
}
.content-1{
    height: 1152px;
    background: url(/images/bg1.png) center bottom no-repeat;
    padding-top: 50px;
    padding-bottom: 50px;
}
.content-1-title{
    height:172px;
    text-align: center;
}
.content-1-title > span{
    line-height: 172px;
    font-size: 26.5px;
    border: 2px solid #237c31;
    border-radius: 15px;
    padding: 5px 45px 5px 45px;
}
.content-1-detail{
    width: 1178px;
    margin: 0 auto;
}
.single-card{
    width: 374px;
    height: 376px;
    float: left;
    background: #ffffff;
    cursor: pointer;
}
.single-card > .thumb{
    width: 100%;
    height: 250px;
}
.single-card > .single-title{
    height: 126px;
    text-align: center;
}
.single-card > .single-title > span {
    font-size: 20px;
    background: #237c31;
    color: #ffffff;
    padding: 5px 20px 5px 20px;
    border-radius: 15px;
    line-height: 126px;
    font-weight: 100;
}
.content-2{
    height: 758px;
    background: url(/images/bg2.png) no-repeat;
    position: relative;
}
.meigudadao-map{
    position: absolute;
    top: 132px;
    right: 63px;
}
.content-2-text{
    width: 738px;
    height: 100%;
    color: #ffffff;
}
.content-2-text-title{
    display: inline-block;
    margin-top: 209px;
    margin-left: 210px;
    padding: 5px 30px 5px 30px;
    border: 1px solid #ffffff;
    border-radius: 10px;
    font-size: 20px;
}
.content-2-text-detail{
    margin-top: 122px;
    margin-left: 90px;
}
.content-2-text-detail > p{
    text-align: left;
    margin-bottom: 20px;
    font-size: 18px;
}
.content-3{
    height: 764px;
    padding-top: 210px;
}
.atlas-big-box{
    width:1545px;
    height: 496px;
    overflow: hidden;
    margin: 0 auto;
    position: relative;
}
.to-left{
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    margin:auto 0;
    width: 150px;
    height: 150px;
    background: url(/images/arrow.png) no-repeat;
    background-size: cover;
    transform: rotate(180deg);
    z-index: 10;
    cursor: pointer;
    display: none;
}
.to-right{
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    margin:auto 0;
    width: 150px;
    height: 150px;
    background: url(/images/arrow.png) no-repeat;
    background-size: cover;
    z-index: 10;
    cursor: pointer;
    display: none;
}
.atlas-box{
    position: relative;
    width: 4635px;
    height: 496px;
}
.atlas{    
    position: relative;
    width: 1545px;
    height: 496px;
    margin: 0 auto 0 auto;
    display: flex;
    flex-direction:column;
    justify-content: space-between;
    float: left;
}
.atlas>div{
    display: flex;
    justify-content: space-between;
}
.atlas-detail{
    width:364px;
    height:222px;
    background:black;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.atlas-detail:hover .atlas-text{
    bottom: 0;
    transition: bottom .5s;
}
.atlas-text{
    position: absolute;
    bottom: -40px;
    width: 100%;
    height: 40px;
    text-align: center;
    color: #ffffff;
    line-height: 40px;
    font-size: 17px;
    background: rgba(0, 0, 0, .3);
}
.bottom-title{
    display: inline-block;
    margin: 105px auto 0 auto;
    font-size: 20px;
    border:1px solid #237c31;
    border-radius: 15px;
    padding: 5px 30px 5px 30px;
}
.top-of-vedio{
    text-align: center;
}
.top-of-vedio > p{
    margin-top: 40px;
    font-size: 16px;
}
.content-4{
    height: 590px;
}

.erbox{ width: 1100px; height: auto;overflow: hidden; margin:0 auto;}
.erbox .eleft{ width: 50%; height: auto; overflow: hidden; float: left; }
.erbox .eleft p:nth-child(1){font-size: 36px; font-weight: bold; margin-bottom: 20px;}
.erbox .eleft p:nth-child(2){ width: 120px; height: 10px; background: #237c31;margin-bottom: 30px; }
.erbox .eleft p:nth-child(3){font-size: 20px; margin-bottom: 50px;}
.erbox .eleft p:nth-child(4){ text-align: center; }
.erbox .eleft p:nth-child(4) img{ padding: 10px; border: #e0e0e0 1px solid; width: 140px!important; }
.erbox .eleft p:nth-child(5){font-size: 16px; margin-top: 15px; text-align: center;}
.erbox .eright{ width: 50%; height: auto; overflow: hidden; float: left; text-align: center; }
.erbox .eright img{ width: 40%; }