.banner {
    position: relative;
}
.img_hidden {
    height: 100%;
    overflow: hidden;
}
.nav {
    display: flex;
    justify-content: space-between;
    padding: 0 0.8rem;
    box-sizing: border-box;
    position: fixed;
    width: 100%;
    top: .8rem;
    z-index: 999;
}
.nav .menu {
    height: 1.5rem;
    padding: 0 .6rem;
    background: rgba(0,0,0,0.5);
    border-radius: .75rem;   
}
.nav .menu a p {
    line-height: 1.5rem;
    font-size: .7rem;
    color: #fff;
}
.img_hidden{
    width: 100%;
    height: 380px;
}
.img_hidden img{
    width: 100%;
    height: 100%;
}
.content{
    padding: 0px .8rem;
}
.content div p{
    font-size: 14px;
    color: #383838;
    line-height: 25px;
    padding: 12px 4px 0px;
}
.content_title{ 
    font-size: 22px;
    font-weight: 700;
    color: #1b1b1b;
    line-height: 1.8rem;
    margin: .5rem 0px;
}
.foot{
    padding: 0px .8rem;
}
.foot .footer_title{
    font-size: 16px;
    font-weight: 600;
    color: #000;
    margin-bottom: 1rem;
}
.foot .headportrait{
    display: flex;
}
.foot .headportrait img{
    width: 1.7rem;
    height: 1.7rem;
    border-radius: 100%;
    margin-right: .6rem;
}
.foot .headportrait .xinxi h1{
    color: #888;
    font-size: 14px;
    font-weight: bold;
}
.foot .headportrait .xinxi h2{
    color: #bbb;
    font-size: .5rem;
    margin-bottom: .5rem;
}
.foot .headportrait .xinxi p{
    font-size: 14px;
    color: #383838;
}