    .main {
        width: 100%;
        height: auto;
        background: #ffffff;
    }
    
    .main1 {
        width: 100%;
        height: auto;
        background: #ffffff;
    }
    
    .main1-auto {
        width: 1200px;
        height: 580px;
        margin: 0 auto;
        background: #ffffff;
    }
    
    .main1-auto-top {
        width: 100%;
        margin-top: 10px;
        line-height: 70px;
        height: 70px;
    }
    
    .main1-auto-top h3 {
        font-size: 28px;
        font-weight: bold;
        color: #333333;
    }
    
    .main1-auto-top img {
        margin-top: 35px;
        padding-left: 15px;
    }
    
    .news-more {
        display: block;
        width: 81px;
        height: 32px;
        background: url(more.png) no-repeat center center;
        margin-top: 30px;
    }
    
    .m-a-b-left {
        width: 600px;
        height: 300px;
        margin-right: 20px;
        box-shadow: 1px 1px 10px #efefef;
    }
    
    .m-a-b-left .a-img {
        width: 100%;
        height: 300px;
        overflow: hidden;
    }
    
    .m-a-b-left .a-img img {
        width: 100%;
        min-height: 100%;
    }
    
    .m-a-b-left .a-title {
        margin: 20px;
    }
    .m-a-b-left .a-title:hover .title{
        color: #721170;
    }
    .m-a-b-left .a-title .title {
        font-size: 16px;
        font-weight: bold;
        color: #333333;
    }
    
    .m-a-b-left .a-title .sj {
        margin-top: 10px;
    }
    
    .m-a-b-left .a-title .sj img {
        vertical-align: top;
        display: inline-block;
        margin-top: 3px;
        padding-right: 6px;
    }
    
    .m-a-b-left .a-title .sj {
        font-size: 14px;
        line-height: 22px;
        color: #999999;
    }
    
    .m-a-b-left .a-title .summary {
        font-size: 14px;
        line-height: 24px;
        color: #999999;
        margin-top: 8px;
    }
    
    .m-a-b-center {
        width: 365px;
        height: auto;
        margin-left: 22px;
    }
    
    .m-a-b-center ul,
    .m-a-b-center ul li {
        width: 100%;
    }
    
    .m-a-b-center ul li {
        border-top: 1px dashed #cccccc;
        padding: 20px 0px;
    }
    
    .m-a-b-center ul .i1 {
        border: 0;
        padding-top: 0px;
    }
    
    .m-a-b-center ul li .li1 {
        width: 5px;
        height: 5px;
        background: url(li1.png) no-repeat center center;
        margin-top: 12px;
    }
    
    .m-a-b-center ul li .title {
        display: inline-block;
        width: 96%;
        padding-left: 2%;
        font-size: 16px;
        color: #333333;
        line-height: 26px;
    }
    
    .m-a-b-center ul li .sj {
        font-size: 14px;
        color: #999999;
        margin-top: 5px;
    }
    
    .m-a-b-center ul li .sj img {
        vertical-align: top;
        margin-top: 5px;
        padding-right: 6px;
    }
    
    .m-a-b-center ul li:hover .li1 {
        background: url(li2.png) no-repeat center center;
    }
    
    .m-a-b-right ul li {
        margin-top: 8px;
    }
    
    .m-a-b-right ul .li1 {
        margin-top: 0;
    }
    
    .m-a-b-right ul li,
    .m-a-b-right ul {
        width: 100%;
        height: auto;
    }
    
    .m-a-b-right ul li a {
        display: block;
        width: 100%;
        height: 100%;
    }
    
    .m-a-b-right ul li .a-sj {
        width: 70px;
        height: 75px;
        background: url(sj.png) no-repeat center center;
        background-size: 100% 100%;
        text-align: center;
    }
    
    .m-a-b-right ul li .a-title {
        width: 295px;
        height: auto;
        margin: 10px 15px;
    }
    
    .m-a-b-right ul li .a-title .title {
        font-size: 16px;
        color: #333333;
        line-height: 20px;
    }
    
    .m-a-b-right ul li .a-title .summary {
        font-size: 14px;
        color: #999999;
        line-height: 20px;
        margin-top: 6px;
    }
    
    .m-a-b-right ul li .a-sj .MM {
        font-size: 18px;
        color: #ffffff;
        font-weight: bold;
        line-height: 24px;
    }
    
    .m-a-b-right ul li .a-sj .dd {
        font-size: 28px;
        color: #ffffff;
        font-weight: bold;
        line-height: 28px;
        margin-top: 12px;
    }
    
    .m-a-b-right ul li:hover .a-title .title {
        color: #721170;
    }

    /* research */
    .research {
        width: 1200px;
        margin: auto;
        margin-bottom: 60px;
    }
    
    .research h2 {
        text-align: center;
        font-size: 28px;
        font-weight: bold;
        color: #333333;
        margin-bottom: 15px;
    }
    
    .research-box .list {
        width: 32%;
    }
    
    .research-box .list .img {
        width: 100%;
        height: 250px;
        overflow: hidden;
    }
    
    .research-box .list .img img {
        width: 100%;
        height: 100%;
    }
    .research-box .list .content{
       padding: 10px 15px 0 15px;
       background-color: #fff;
       box-shadow: 1px 1px 10px #efefef;
    }
    .research-box .list:nth-of-type(2) .content{
        margin-bottom: 10px;
        padding-top: 0;
    }
    .research-box{
        display: flex;
    }
    .research-box .list:not(:nth-of-type(3)){
        margin-right: 2%;
    }
    .research-box .list .content .tle {
        font-size: 16px;
        font-weight: bold;
        color: #333333;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .research-box .list .content:hover .tle{
        color: #721170;
    }
    .research-box .list .content .tle::before{
        content: "";
        width: 2px;
        height: 35px;
        background-color: orange;    
        display: block;
        position: absolute;
        margin-left: -15px;
        margin-top: 10px;
    }
    .research-box .list .content .text {
        font-size: 14px;
        line-height: 20px;
        color: #999999;
        margin-top: -5px;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
    }
    /*  */
    
    .main2 {
        width: 100%;
        min-height: 464px;
        background: url(top_bg.jpg) no-repeat;
    }
    
    .main2-auto {
        width: 1200px;
        margin: 0 auto;
        height: auto;
    }
    
    .main2-auto-left {
        width: 600px;
        height: 370px;
        margin-top: 55px;
        background: url(sanjiao.png) no-repeat;
    }
    
    .main2-auto-left-img {
        width: 575px;
        height: 324px;
        overflow: hidden;
        margin: 25px 0px 0px 25px;
    }
    
    .main2-auto-left-img img {
        width: 100%;
        min-height: 100%;
    }
    
    .main2-auto-right {
        width: 570px;
        height: auto;
    }
    
    .main2-auto-right .h3 {
        font-size: 28px;
        color: #ffffff;
        font-weight: bold;
        margin-top: 60px;
    }
    
    .main2-auto-right .h3 img {
        padding-left: 10px;
    }
    
    .main2-auto-right .summary {
        font-size: 16px;
        color: #333333;
        line-height: 28px;
        padding-top: 60px;
        min-height: 230px;
    }
    
    .main2-auto-right .more {
        display: block;
        width: 188px;
        height: 47px;
        background: #721170;
        border-bottom: 3px solid #ffbb02;
        margin-top: 18px;
        text-align: center;
        line-height: 47px;
        font-size: 16px;
        color: #ffffff;
    }