.bg_blue{background-color:#2684FF;color:#fff;}

/* 巨幕*/
.jumbotron{background:url(../img/cooperate_jm.png);height:440px!important;}
/* 1 */
.plate_title{margin-top:56px;margin-bottom:40px;font-size:28px;font-weight:bold;}
.plate2{padding-bottom:40px;}
.plate1 ul{padding-left:0;}
.plate1 li{list-style:none;position:relative;}
.plate1_div{position:absolute;background-color:rgba(0, 0, 0, 0.5);transform: rotate(45deg)scale(.93,.93);}
.plate1_div h4::after{content: "";display: inline-block;position: absolute;bottom: 0;left: calc(50% - 8px);width:16px;height: 2px;background:#fff;}
.plate1_div_txt{transform: rotate(-45deg);position:absolute;color:#fff;}
.plate1_div:hover{background:rgba(38, 132, 255, 0.7)}
.plate1_div:hover h4::after{left: calc(50% - 16px);width:32px;}
/* 2 */
.plate2 .btn:hover,.plate2 .btn:focus,.plate2 .btn.focus{color:#fff;}
.plate2 {background:url(../img/bottom_bg.png) no-repeat;background-size:cover;background-position:center center;}
@media (min-width: 768px) {
.plate1 li{padding-bottom:56px;}
.plate1_div{height:200px;width:200px;top:0;border-radius:80px;left:calc(50% - 100px);}
.plate1_div_txt{width:200px;left:0px;bottom:60px;}
}
@media (max-width: 767px) {
  .plate2{padding-bottom:20px;}
  .jumbotron{height:220px!important;background:url(../img/cooperate_jm1.png);}
  .plate_title{font-size:20px;margin-top:28px;margin-bottom:20px;}
  .tab-content img{display:none;}
  .plate1 li{padding:0 10px 28px;}
  .plate1_div{height:200px;width:200px;top:0;border-radius:80px;left:calc(50% - 100px);}
  .plate1_div_txt{width:200px;left:0px;bottom:65px;}
  @media (max-width:450px){
    .plate1 .container{overflow: hidden;}
    .plate1 li>img{width:140px;}
    .plate1_div{height:140px;width:140px;border-radius:55px;left:calc(50% - 70px);}
    .plate1_div_txt{width:140px;bottom:35px;}
    .plate1_div_txt h4{font-size:14px;}
  }
}