.nav_top{
    display: flex;
    justify-content: space-between;
}
.my_frame{
    min-height: 85vh !important;
    max-width: 100%;
    background: #fff;
}

/*.nav {*/
    /*width: 100%;*/
    /*height: 80px;*/
    /*box-shadow: 0 3px 3px 0 #CCC;*/
    /*background: #FFF;*/
    /*position: fixed;*/
    /*left: 0;*/
    /*top: 0;*/
    /*z-index: 999;*/
    /*overflow: hidden;*/
    /*transition: 0.3s*/
/*}*/
.nav.index {
    background: rgba(255, 255, 255 ,0.8);
    box-shadow: 0 0 0 0 rgba(0,0,0,0.05);
}
.nav.scroll {
    background: #FFF;
    box-shadow: 0 3px 3px 0 rgba(0,0,0,0.05);
    transition: 0.3s
}
.nav .layui-container {
    position: relative;
    transition: all 400ms ease-out;
}
.nav .nav-logo {
    height: 100%;
    position: absolute;
    top: 0;
    left: 15px;
    line-height: 80px;
}
.nav .nav-list {
    display: inline-block;
    height: 80px;
}
.nav .nav-list button {
    width: 25px;
    height: 30px;
    position: absolute;
    top: 30px;
    right: 15px;
    background-color: transparent;
    border: none;
    outline: none;
    cursor: pointer;
}
.nav .nav-list button span {
    display: block;
    width: 25px;
    height: 2px;
    background: #ff8b0f;
    margin-bottom: 6px;
    transition: 0.5s;
}
.nav .nav-list button span.spa1 {
    transform: rotate(45deg);
}
.nav .nav-list button span.spa3 {
    transform: rotate(-45deg) translate(5px, -5px);
}
.nav .layui-nav {
    width: 100%;
    position: absolute;
    top: 80px;
    right: 0;
    color: #000;
    background: transparent;
}
.nav .layui-nav .layui-nav-item {
    display: block;
    line-height: 60px;
}
.nav .layui-nav * {
    font-size: 18px;
}
.nav .layui-nav .layui-nav-item a {
    padding: 0 0;
    color: #000;
}
.nav .layui-nav-bar, .nav .layui-nav .layui-this:after {
    height: 2px;
    background-color: #ff8b0f;
}
.nav .layui-nav .layui-this a, .nav .layui-nav .layui-nav-item a:hover {
    color: #ff8b0f;
}

@media screen and (min-width: 768px) {
    .nav {
        max-height: 80px;
    }
    .nav.index {
        background: rgba(255, 255, 255 ,0.3);
    }
    .nav .nav-list button {
        display: none;
    }
    .nav .layui-nav {
        width: auto;
        position: absolute;
        top: 0;
        padding: 0 5px;
        border-radius: 0;
        margin: 0;
    }
    .nav .layui-nav .layui-nav-item {
        display: inline-block;
        margin: 0 25px;
        line-height: 80px;
    }
}
