body{
    background: #fff;
}
/* banner */
.index-banner {
    width: 100%;
    height: 970px;
    position: relative;

  }
  .banner-wenzi {
    width: 100%;
    font-size: 74px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 80px;
    text-shadow: 0px 6px 8px rgba(16, 34, 67, 0.24);
    text-align: center;
    margin-top: 324px;
  }
  .banner-wenzi2{
    font-size: 50px;
font-family: Microsoft YaHei;
font-weight: 300;
color: #FFFFFF;
line-height: 80px;
text-shadow: 0px 1px 9px rgba(1, 32, 92, 0.24);
-webkit-text-stroke: 1px #FFFFFF;
text-stroke: 1px #FFFFFF;
text-align: center;
  }
  .swiper-items .line {
    width: 95px;
    height: 7px;
    background: #FFFFFF;
    margin: 32px auto;
  }
.swiper-pagination-bullet {
    font-size: 17px;
    width: 25px;
    height: 25px;
    line-height: 25px;
    color: rgba(255, 255, 255, 0.5);
    background: none;
    opacity: 1;
  }

  .swiper-pagination-bullet-active {
    color: #fff;
  }

  .swiper-button-next,
  .swiper-button-prev {
    top: auto;
    bottom: 50px;
    width: 21px;
    height: 8px;
  }

  .swiper-button-prev {
    left: 40%;
    background: url(__STATIC__image/zuo.png);
  }

  .swiper-button-next {
    right: 40%;
    background: url(__STATIC__image/you.png);
  }
  .swiper-container{
    margin-top: 110px;
  }
  .swiper-container-horizontal > .swiper-pagination-bullets {
    bottom: 45px;
  }



    /* 菜单 */
    .menu{
        width: 100%;
        height: 67px;
    background: #F3F3F3;
    border: 2px solid #F1F4F9;
      }
      .menu .main{
        width: 691px !important;
      }
      .menu .menu_list{
        display: flex;
        justify-content: space-between;
      }
      .menu_act{
        font-weight: bold !important;
        color: #114593 !important;
          }
      .menu .menu_list li {
        font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    line-height: 67px;
    cursor: pointer;
      }
      .menu .menu_list li:hover {
        color: #114593;
        font-weight: bold;
      }
      /* <!-- 公司案例 --> */
.st_industry{
    width: 100%;
    background-color: #fff;
    /* height: 862px; */
}
 .st_industry .st_item,.st_industry .st_item .st_bg_1{
    width: 100%;
    height: 794px;
    display: flex;
    align-items: center;
    justify-content: center;
 }
 .st_industry .st_item .main{
    position: relative;
 }
 .st_industry .st_item .main .txt{
    width: 742px;
height: 622px;
background: rgba(244, 244, 244, .9);
clip-path: polygon(0% 0%, 100% 0%, 80% 100%, 0% 100%);
position: absolute;
top: 0;
padding: 57px  0 0 51px;
opacity: 0;
 }
 .st_industry .st_item:nth-of-type(2n) .main .txt{
    width: 742px;
    height: 622px;
    background: rgba(244, 244, 244, .9);
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 20% 100%);
    position: absolute;
    top: 0;
    right: -1px;
    padding: 57px  0 0 140px;
    opacity: 0;
 }
 .st_industry .st_item .main .txt p:nth-of-type(1){
    font-size: 24px;
font-family: Microsoft YaHei;
font-weight: bold;
color: #333333;
 }
 .st_industry .st_item .main .txt .line{
    width: 30px;
height: 4px;
background: #0D409C;
margin-top: 17px;
margin-bottom: 31px;
 }
 .st_industry .st_item .main .txt .detail{
    width: 534px;
font-size: 16px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #333333;
line-height: 30px;
margin-bottom: 26px;
text-align: justify;
 }
 .st_industry .st_item .main .txt .ins{
    font-size: 20px;
font-family: Microsoft YaHei;
font-weight: bold;
color: #333333;
margin-top: 18px;
width: 534px;
 }
 .st_industry .st_item .main .txt .ins span{
    font-size: 16px;
    color: #333;
    font-weight: 400;
 }
 .st_industry .st_bg{
    height: 794px;
    background-color: rgb(247, 247, 249);
    
 }
 .st_industry .st_bg .st_bg_1{
    background: url(../img/case/st_bg-1.png);
    background-size: 100% 100%;
    height: 794px;
    height: 100%;
 }