body {
    margin: 0 auto;
    font-family: "PingFang SC", Helvetica, Arial, "Hiragino Sans GB", "Microsoft Yahei";
}

.ko {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #AAAAAA;
}

.about-top {
    height: 40px;
    background: #F7F7F5;
    position: relative;
}

.about-top .about-bj {
    height: 30px;
    padding-top: 5px;
    margin-left: 10px;
}

.about-top .about-bj .about-m1 {
    display: inline-block;
    width: 110px;
    height: 30px;
    line-height: 27px;
    text-align: center;
}

.about-top .about-bj .about-m1 img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    vertical-align: middle;
}

.about-top .about-bj .about-m2 {
    display: inline-block;
    margin-left: -20px;
    width: 23px;
    height: 30px;
    line-height: 27px;
    text-align: center;
}

.about-top .about-bj .about-m2 img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    vertical-align: middle;
}

.about-top .about-tet {
    width: 96%;
    position: absolute;
    top: 10px;
    left: 16px;
}

.about-top .about-tet .ko {
    float: left;
    margin-top: 7px;
    margin-right: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #F7F7F5;
}

.about-top .about-tet h3 {
    float: left;
    height: 20px;
    line-height: 20px;
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #F7F7F5;
    letter-spacing: 0;
}

.about-top .about-tet a {
    float: right;
    height: 17px;
    line-height: 17px;
    margin-top: 2px;
    margin-right: 16px;
    font-family: PingFangSC-Regular;
    font-size: 12px;
    color: #848484;
    letter-spacing: 0;
}

.main {
    width: 1100px;
    background: #fff;
    margin: 0 auto;
    padding-top: 12px;
    padding-bottom: 20px;
}

.main .nav-cen {
    width: 1060px;
    margin-left: 20px;
}

.main .nav-cen .bodyleft {
    float: left;
    width: 322px;
    margin-bottom: 68px;
}

.main .nav-cen .bodyleft .supply {
    width: 100%;
}

.main .nav-cen .bodyleft .supply .about-con {
    border: 1px solid #D6D6D6;
    border-top: none;
    box-sizing: border-box;
}

.main .nav-cen .bodyleft .supply .about-con a {
    display: block;
    height: 50px;
    background: #FFFFFF;
    border-bottom: 1px dashed #D6D6D6;
    box-sizing: border-box;
}

.main .nav-cen .bodyleft .supply .about-con a .ko {
    float: left;
    margin-left: 16px;
    margin-top: 21px;
}

.main .nav-cen .bodyleft .supply .about-con a span {
    float: left;
    margin-top: 14px;
    margin-left: 21px;
    font-family: PingFangSC-Regular;
    font-size: 16px;
    color: #AAAAAA;
}

.main .nav-cen .bodyleft .supply .about-con a:last-child {
    border: none;
}

.main .nav-cen .bodyleft .supply .about-con a.active>span {
    color: #606060;
}

.main .nav-cen .bodyleft .supply .about-con a:hover>span {
    color: #606060;
}

.main .nav-cen .bodyleft .conter {
    margin-top: 10px;
}

.main .nav-cen .bodyleft .conter .about-con {
    background: #FFFFFF;
    border: 1px solid #D6D6D6;
    border-top: none;
    box-sizing: border-box;
    height: 230px;
}

.main .nav-cen .bodyleft .conter .about-con .about-context {
    height: 110px;
    padding-top: 28px;
    margin-left: 30px;
}

.main .nav-cen .bodyleft .conter .about-con .about-context p {
    margin-bottom: 25px;
    line-height: 20px;
    font-family: PingFangSC-Regular;
    font-size: 16px;
    color: #464646;
    letter-spacing: 0;
}

.main .nav-cen .bodyleft .conter .about-con .about-conimg {
    margin-top: 20px;
    margin-left: 30px;
}

.main .nav-cen .bodyleft .conter .about-con .about-conimg .conimg {
    float: left;
    width: 30px;
    height: 30px;
    line-height: 27px;
    text-align: center;
}

.main .nav-cen .bodyleft .conter .about-con .about-conimg .conimg img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    vertical-align: middle;
}

.main .nav-cen .bodyleft .conter .about-con .about-conimg span {
    display: inline-block;
    height: 22px;
    line-height: 22px;
    margin-left: 12px;
    margin-top: 4px;
    font-family: PingFangSC-Regular;
    font-size: 16px;
    color: #464646;
    letter-spacing: 0;
}

.main .nav-cen .bodyright {
    float: left;
    margin-left: 12px;
    width: 726px;
    background: #FFFFFF;
    border: 1px solid #D6D6D6;
    box-sizing: border-box;
}

.main .nav-cen .bodyright .right-top {
    height: 17px;
    margin-top: 12px;
    margin-left: 30px;
}

.main .nav-cen .bodyright .right-top span {
    height: 17px;
    line-height: 17px;
    font-family: PingFangSC-Regular;
    font-size: 12px;
    color: #272727;
    letter-spacing: 0;
}

.main .nav-cen .bodyright .right-top span:last-child {
    color: #689EDE;
}

.main .nav-cen .bodyright .right-nav ul {
    width: 100%;
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
}

.main .nav-cen .bodyright .right-nav ul li {
    width: 218px;
    height: 240px;
    margin-left: 17px;
    margin-bottom: 20px;
    overflow: hidden;
    background: #FFFFFF;
    border: 1px solid #e7e7e7;
    box-sizing: border-box;
}

.main .nav-cen .bodyright .right-nav ul li .aboutli-img {
    width: 200px;
    height: 170px;
    line-height: 167px;
    text-align: center;
    margin: 0 auto;
    margin-top: 8px;
}

.main .nav-cen .bodyright .right-nav ul li .aboutli-img img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    vertical-align: middle;
}

.main .nav-cen .bodyright .right-nav ul li p {
    width: 210px;
    height: 40px;
    line-height: 20px;
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #515151;
    letter-spacing: 0;
    margin: 0 auto;
    text-align: center;
    margin-top: 12px;
    margin-left: 9px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.main .nav-cen .bodyright .right-nav ul li:hover {
    background: #D8D8D8;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
}