.clear:after {
    content: "";
    display: block;
    clear: both;
  }
  .left {
    float: left;
  }
  .right {
    float: right;
  }
  .bbox {
    margin-top: 20px;
    position: relative;
  }
  .bbox ul {
    width: 100%;
  }
  .bbox ul li {
    width: 50%;
    float: left;
    margin-bottom: 50px;
    padding-bottom: 20px;
    /* border-bottom: 1px solid #ccc; */
  }
  .bbox ul li:nth-of-type(2n) {
   padding-left: 7%;
   border-left: 1px solid #ccc;
}
  .bbox ul li div {
    float: left;
  }
  .bbox ul li .hhdh-1 {
    width: 140px;
    height: 130px;
    text-align: center;
    margin-right: 10px;
  }
  .bbox ul li .hhdh-2 {
    width: 160px;
    height: 120px;
    text-align: center;
    /* background: url(../images/tu-02_05.jpg) no-repeat; */
    padding: 0 18px 0 19px;
  }
  .bbox ul li .hhdh-2 .wenzi-1 {
    font-size: 16px;
    color: #3b71d2;
    font-weight: bold;
    margin-bottom: 0px;
    width: 100%;
  }
  .bbox ul li .hhdh-2 .wenzi-2 {
    line-height: 24px;
    width: 100%;
  }