.i-nav li {
    float: left;
    padding: 0 9px;
    margin-top: 2px;
    border-right: 1px solid #dbdbdb;
    position: relative;
  }
  .i-nav li:hover ul {
    display: block;
  }
  .i-nav li ul {
    width: 116%;
    position: absolute;
    left: -8%;
    background: #eee;
    z-index: 99;
    display: none;
  }
  .i-nav li ul li {
    border: none;
    width: 100%;
    font-size: 12px;
    margin: 5px 0;
    text-align: center;
  }
  .i-nav li a {
    color: #666;
    font-size: 12px
  }
  .i-nav li.down:after {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    border: 3px solid transparent;
    border-top: 3px solid #000;
  }

  #qx-page{
      width: auto;
      background: #f2f2f2;
  }  #qx-page .n-main{
      width: 1270px;
      margin: 1% auto;
  }