body{ background:#fff; color:#2f2725;}
.clear{clear:both;}
.auto{ width:1270px; margin:0 auto; overflow:hidden;}
.banner{ height:580px; background:url(../images/banner.jpg) no-repeat top center;}
.banner .hide{ display:none;}
.flex{display: flex; flex-direction: row; flex-wrap: wrap;justify-content: space-between;}
.main .xyevi{margin-top:40px;}
.main .xyevi .xy_ist{display:block;text-align:center;font-size:42px;color:#5189fa;font-weight:700;}
.main .xyevi .xy_st{display:block;text-align:center;font-size:24px;color:#4c4c4c;margin-top:5px;}
.main .xyevi .xyist{margin-top:20px;}
.main .xyevi .xyist li:nth-child(4){margin-top:10px;}
.main .xyevi .xyist li:nth-child(5){margin-top:10px;}
.main .xyevi .xyist li:nth-child(6){margin-top:10px;}
.main .xyevi .xyist li img{transition: all 1.5s;}
.main .xyevi .xyist li img:hover{transform:scale(1.05); }
.main .xyevi .hviv{width:800px;margin:0 auto;margin-top:30px;}
.main .xyevi .hviv li{width:350px;font-size:24px;text-align:center;padding:10px 0px;background:#5d92ff;border-radius:10px;margin-bottom:5px;}
.main .xyevi .hviv li a{color:#fff;}
.main .xyevi .hviv li:hover{box-shadow:2px 4px 2px #888888;}
.main .xyevi .xyist li{width:32.5%;height: 251px;}
.main .xyevi .xyist li img{width:100%;height:100%;}