.top{
    height: 110.125rem;
}
.top_top{width: 75.125rem;margin: 0 auto;margin-top: 5.125rem;display: flex;
    height: 110.125rem;
}
/* 此处修改导航图标 可自定义iconfont 替换*/
.icon_1::after{content: "\e62b";}
.icon_2::after{content: "\e669";}
.icon_3::after{content: "\e61d";}
/*---------------------*/
.nav-more{float:right;margin-right: 1.25rem;font-size: 0.75rem;transition: transform .3s;}
/* 此处为导航右侧箭头 如果自定义iconfont 也需要替换*/
.nav-more::after{content: "\e621";}
/*---------------------*/
.nav-show .nav-more{transform:rotate(90deg);}
.nav-show,.nav-item>a:hover{color: #FFF; background: #1188f9;}
.nav-show>a:before,.nav-item>a:hover:before{opacity:1;}
.nav-item li:hover a{color: #FFF;
    background: #1188f9;
}
iframe{
    flex: 1;
    background: white;
    margin: 0;
    border: 0;
    height: 99rem;
}
.content_nav{width: 14.875rem;
    /*height: 31rem;*/
    height: 65rem;
    background: #0069cb;
    /*padding-top: 0.75rem;*/
    margin-right: 0.875rem;}
.content_ul{
    /*width: 11.875rem;*/
    /*background: #0fdae1;*/
    background: linear-gradient(-90deg,#85efff,#4dacfe);
    text-align: center;
    color: white;
    height:8.75rem;
    /*line-height: 8.75rem;*/
}
.content_p{
    font-size: 1.5rem;
    padding-top: 2.875rem;
}
.content_pp{
    font-size: 1.125rem;
    padding-top: 1.125rem;
}
.content_nav li a{
    display: block;
    color: #fff;
    text-decoration: none;
}
.pp{overflow: hidden;}
.content_nav span{padding-left: 1rem;padding-right: 1rem;}
.aa{line-height: 2.25rem;width: 11.875rem;font-size: 1rem;padding-left: 3.125rem;}
.one{width: 11.875rem;background: #0fdae1;font-size: 1.5rem;line-height: 4.375rem;padding-left: 0.5rem;}