/* 大屏幕（大桌面显示器，大于等于 1200px） */
   @media (min-width: 751px) {
       main {}

       .w {
           width: 1200px;
           margin: 0 auto;
       }

       .support {
           min-width: 1200px;
           height: 1600px;
           margin: 0 auto;
       }

       li {
           height: 400px;
       }

       .content {
           display: flex;
           align-items: center;
           justify-content: space-between;
       }

       li:nth-child(n+1) {
           background: #F7F9FD;
       }

       li:nth-child(2n) {
           background: #FBFBFB;
       }

       li:nth-child(1) img {
           width: 379px;
           height: 394px;
           margin-top: 3px;
       }

       li:nth-child(2) img {
           width: 446px;
           height: 380px;
           margin: 11px 0 0;
       }

       li:nth-child(3) img {
           width: 448px;
           height: 388px;
           margin-top: 11px;
       }

       li:nth-child(4) img {
           width: 546px;
           height: 391px;
       }

       li h1 {
           font-family: Alibaba PuHuiTi;
           font-weight: 400;
           font-size: 32px;
           color: #333333;
       }

       li p {
           font-family: Alibaba PuHuiTi;
           font-weight: 400;
           font-size: 16px;
           color: #999999;
           margin-top: 38px;
           width: 369px;
       }
       li a{
        font-family: Alibaba PuHuiTi;
        font-weight: 400;
        font-size: 16px;
        color: #999999;
       }

   }