.about_head_stuff {
    float: right;
}
.index-last-foot{
    background: #FFFFFF;
}
.about_head_stuff p a {
    color: #666666;
}
.about_head_stuff p a:first-child {
    background: url(../imgs/layouts/shopcar.png) no-repeat left center;
    padding-left: 25px;
}
.about_head_stuff p i{
    font-size: 12px;
    font-weight: 600;
    color: rgba(16, 131, 145, 1);
}
/*content*/
.about_nav_way{
    margin-top: 20px;
}
.about_nav_way label,.about_nav_way a{
    line-height: 13px;
    font-size: 14px;
    color: #666666;
}
.about_nav_way a:hover{
    cursor: pointer;
    color: #00A4C2;
    text-decoration: underline;
}
.about_content{
    margin-top: 26px;
    display: flex;
    margin-bottom: 30px;
}
.about_content_nav{
    width: 220px;
    margin-right: 30px;
}
.about_content_nav > ul > li:nth-child(2n-1){
    width: 220px;
    height: 50px;
    background: #66CCCC;
    font-size: 16px;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    cursor: pointer;
    justify-content: space-between;
}
.about_content_nav ul > li > div{
    display: flex;
}
.about_content_nav ul > li > div i{
    font-size: 18px;
    margin-left: 24px;
    margin-right: 13px;
}
.about_content_nav ul > li > i{
    margin-left: 64px;
    margin-right: 24px;
    font-size: 12px;
}
.about_content_nav > ul > li:nth-child(2n){
    width: 220px;
    height: auto;
    background: #FFFFFF;
    font-size: 16px;
    color: black;
}
.about_content_nav > ul > li:nth-child(2n) ul li{
    width: 141px;
    background: #FFFFFF;
    font-size: 14px;
    cursor: pointer;
    margin-left: 45px;
    line-height: 40px;
    display: list-item;
    list-style:square;
}

.about_content_nav > ul > li:nth-child(2n) ul li::marker{
    font-size: 12px;
    color: rgba(102, 102, 102, 1);
}
.on{
    text-decoration: underline;
}
.about_content_nav a{
    color:rgba(102, 102, 102, 1);
}
.about_content_nav a div{
    height: 40px;
    width: 141px;
}
.on,.on a{
    color: rgba(16, 131, 145, 1);
}
.about_content_right_content{
    width: 100%;
    background-color: white;
    padding: 40px 50px 80px 50px;
}
.about_content_right_content .content_1 > div:first-child {
    font-size: 18px;
    padding-bottom: 34px;
    border-bottom: 1px dashed rgba(204, 204, 204, 1);
}
.about_content_right_content .content_1> div:nth-child(2) {
    padding-top: 35px;
    font-size: 14px;
    color: #666666;
    line-height: 24px;
}
.about_content_right_content .content_1> div:nth-child(2) a{
    color: #0000FF;
}