#download{
    margin-top:51px;
    margin-bottom:30px;
    padding-top:45px;
    padding-left:100px;
}
#download h2{
    font-size:32px;
    margin-bottom:2rem;
}
#download .download-items{
    display:flex;
    margin-bottom:30px;
    padding:0;
}
#download .download-items img{
    width:65px;
    height:65px;
}
#download .download-items .center{
    margin:0 2rem;
}
#download .download-items .center p:nth-of-type(1){font-size:0.8rem;margin-bottom:10px;color:#3CACDC;}
#download .download-items .center p:nth-of-type(2){font-size:0.8rem;margin-bottom:10px;color:#333;}
#download .download-items .right a{margin-bottom:10px;}



.docu{
    background-color:#F0F5FB;
    padding:50px 5rem 50px 5rem;
}
.docu h3{
    font-size:32px;
    margin-bottom:1rem;
}
.docu p{
    font-size:18px;
    margin-bottom:1.2rem;
}
.docu .right .video-box video{
    float:left;
    margin-right:20px;
}
.question{
    padding:5rem;
}
.question h3{
    font-size:1.8rem;
    margin-bottom:2rem;
}
.question input{margin-bottom:1rem;}
.question button{margin-top:1rem;}

.download-btn{width:186px;}
.tech_doc{
    width:350px;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}
.tech_doc *{color:#333;}
.tech_doc>a:hover{color:#333;}

.docu .left h3 a{
    font-size:12px;
}
.docu .right h3 a{
    font-size:12px;
}

/*修改*/
.docu ol li{
    list-style-type:square;
    font-size:18px;
}
.video-box{height:210px;}
.btn-link,.btn-link:hover{color:#fff;background-color:#3EAFE7;width:145px;text-decoration: none;}

@media screen and (max-width:767px){
    #download{
        padding-top:20px;
        padding-left:20px;
    }
    #download h2{font-size:1rem;margin-bottom:1rem;}
    #download .download-items{
        margin-bottom:2rem;
        padding:0;
    }
    #download .download-items .center{
        margin:0 0.5rem;
    }
    #download .download-items .center p:nth-of-type(1){font-size:0.6rem;}
    #download .download-items .center p:nth-of-type(2){font-size:0.6rem;}
    .docu{padding:1rem;}
    .docu h3{
        font-size:1rem;
        margin-bottom:1rem;
    }
    .docu p{
        font-size:0.6rem;
        margin-bottom:1.2rem;
    }
    .docu .right .video-box video{
        float:left;
        margin-right:20px;
        margin-bottom:10px;
    }
    .question{
        padding:1rem;
    }
    .question h3{
        font-size:1rem;
        margin-bottom:1rem;
    }
    .download-btn{width:156px;}
}

html{height:100%;}
body{min-height:calc(100% - 51px);position:relative;}
.public-bottom{
    position:absolute;
    left:0;
    bottom:0;
}