.index_products{
    max-width: 1300px;
    height: 219px;
    margin: 0 auto;
  }
  .index_products ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    background: url(../images/fengexian.png) no-repeat;
    background-position: 284px 153px;
    background-size: 1040px;
  }
  .index_products ul li{
    width: 50%;
    height: 219px;
    position: relative;
  }
  .index_products ul li:nth-child(1) h1{
    position: absolute;
    top: 119px;
    font-size: 40px;
    color:#222;
    font-weight: 700;
  }
  .index_products ul li:nth-child(1) img{
    position: absolute;
    top: 143px;
    left: 180px;
  }
  .index_products ul li:nth-child(2) a{
    position: absolute;
    top: 141px;
    right: 0;
    color: #999999;
    font-size: 18px;
  }


  /* strength_box1 */
.strength_box1{
    max-width: 1300px;
    margin: 0 auto;
}
.strength_box1 ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.strength_box1 ul li{
    width: 48%;
    height: 307px;
    margin-bottom: 44px;
    position: relative;
}
.strength_box1 ul li img{
    width: 100%;
    height: 100%;
}
.strength_box1 ul li .title{
    width: 241px;
    height: 65px;
    background: url(../images/touming.png) no-repeat center center;
    background-size: 100%;
    position: absolute;
    bottom: 0;
    right: 0;
}
.strength_box1 ul li .title p{
    text-align: center;
    line-height: 65px;
    font-size: 20px;
    color: #fff;
}
.strength_box1 ul li:hover .title{
    background: url(../images/touming1.png) no-repeat;
}