@media screen and (min-width: 768px) {
  .common {
    width: 1200px;
    margin: 0 auto;
  }

  .banner {
    display: block;
    width: 100%;
  }

  .commtitle {
    position: relative;
    height: 26px;
    margin: 90px auto;
    margin-bottom: 60px;
    background: url('../img/title_o.png') no-repeat center;
    background-size: 1005px 26px;
  }

  .commtitle span {
    position: absolute;
    font-family: STSong;
    font-style: italic;
    font-size: 36px;
    font-weight: bolder;
    color: #00F4FF;
  }

  .commtitle .title_a {
    left: 526px;
    top: -20px;
  }

  .commtitle .title_b {
    left: 598px;
    top: 5px;
  }

  .introduced {
    position: relative;
    padding: 46px 32px;
    border: 1px solid #00F0FF;
    font-size: 16px;
    border-radius: 20px;
  }

  .introduced::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    border: 1px solid #00F0FF;
    border-radius: 20px;
  }

  .introduced p {
    text-indent: 2em;
    text-align: justify;
    margin-bottom: 20px;
    line-height: 28px;
  }

  .introduced p:last-child {
    margin-bottom: 0;
  }

  .review_box {
    margin-bottom: 48px;
  }

  .review_box .review_nav {
    display: inline-block;
    width: 140px;
    height: 60px;
    margin-left: 30px;
    line-height: 60px;
    border: 2px solid #1df6e3;
    font-size: 24px;
    color: #fff;
    border-radius: 30px;
    text-align: center;
    cursor: pointer;
   }
  
   .review_box .review_nav_active, .review_box .review_nav:hover {
      background-image: linear-gradient(-34deg, 
    #55bded 0%, 
    #17ffe1 100%), 
    linear-gradient(
    #042695, 
    #042695);
   }

   .review_content {
     min-height: 430px;
   }
  
   .review_content img {
     float: left;
     width: 698px;
     height: auto;
     border-radius: 10px;
   }
  
   .review_info {
     width: 430px;
     float: right;
     padding-right: 32px;
     color: #fff;
     font-size: 18px;
   }

   .review_content .content_des a {
     display: inline-block;
     margin-left: 6px;
   }
  
   .review_info p {
     font-size: 14px;
     line-height: 24px;
      margin: 24px 0;
   }
  
   .review_info p a {
     color: #17ffe1;
   }
  
   .review_info p .active {
     display: none;
   }
  
   .line {
     border: 1px dashed #fff;
     margin-bottom: 20px;
   }
  
   .review_info ul li {
    padding-left: 24px;
    margin-bottom: 10px;
   }
  
   .review_info ul li a {
     position: relative;
     font-size: 14px;
     color: #fff;
   }
  
   .review_info ul li a::after {
     content: '';
     position: absolute;
     left: -24px;
     top: 4px;
     width: 8px;
     height: 8px;
     border: solid 1px #06f8d9;
     border-radius: 50%;
   }

   .institutions_item {
     margin-bottom: 42px;
   }

   .institutions_item .title {
     text-align: center;
     font-size: 24px;
     font-weight: bolder;
     color: #fff;
     margin-bottom: 26px;
   }

   .institutions_logo {
     display: flex;
     flex-wrap: wrap;
     justify-content: center;
   }

   .institutions_logo img {
     margin-right: 18px;
     margin-bottom: 16px;
   }

   .contact_box {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
   }

   .contact_box div {
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     width: 246px;
     height: 128px;
     background: #030D7C;
     border-radius: 10px;
     font-size: 18px;
     color: #fff;
     text-align: center;
   }

   .contact_box div .name {
    margin-bottom: 16px;
   }

   /* 返回顶部 */
.toTop {
  width: 48px;
  height: 48px;
  position: fixed;
  bottom: 100px;
  right: 100px;
  z-index: 5;
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 50%;
  cursor: pointer;
  display: none;
}

.banner {
  display: block;
}

.banner_mobile {
  display: none;
}
}