.banner{
    width: 100%;
}
.nav-list{
    position: relative;
}
.nav-list::after{
    display: block;
    content: "";
    position: absolute;
    bottom: 0;
    width: 2rem;
    height: 2px;
    background: #ED6D00;
    transition: all 200ms;
    transform: translateX(-50%);
}
.nav-list.cur1::after{
    left: 25%;
}
.nav-list.cur2::after{
    left: 75%;
}
.nav-list .nav{
    width: 50%;
    text-align: center;
    padding: .4rem 0 .4rem;
}
.nav-list .nav.cur{
    color: #ED6D00;
}


.list{
    margin: 0 .16rem;
}
.list-item{
    border-radius: 8px;
    padding: .4rem .16rem 0;
    box-shadow: 0px 2px 16px 0px rgba(0,0,0,0.1);
    background-color: #fff;
}
.list-item .right{
    width: 260px;
    position: relative;
}
.list-item .right::after{
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 90%;
    background: #EBEBEB;
}
.list-item .icon{
    width: 18px;
    margin-right: 8px;
}
.rich-text{
    height: 0;
    overflow: hidden;
}
.rich-text.open{
    height: auto;
    padding: .4rem 0;
    line-height: 1.8;
}
.tag{
    padding: 4px .14rem;
    border-radius: 12px;
}
.tag.blue{
    color: #3D4EFF;
    background: #E0E3FF;
}
.tag.orange{
    color: #EF4806;
    background: #FFE7DE;
}
.btn-open{
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    padding: .24rem 0;
}
.btn-open .btn-icon{
    animation: bounce 1s infinite;
}
.btn-open .btn-icon{
    width: 20px;
}
.btn-open .icon-close,.btn-open .t-close{
    display: none;
}
.btn-open.open .icon-close,.btn-open.open .t-close{
    display: block;
}
.btn-open .icon-open,.btn-open .t-open{
    display: block;
}
.btn-open.open .icon-open,.btn-open.open .t-open{
    display: none;
}
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

.mail-wrap{
    padding: .4rem 0 6px;
    display: none;
}
.mail-wrap.open{
    display: flex;
}
.btn-copy{
    padding: 6px 10px;
    background: #FFE7DE;
    border-radius: 4px;
}