.yk-middle {
  width: 100%;
  background: transparent;
  padding: 0;
}
.MainBox {
  background: url(../../Image/zyly/contentBox_ng.png) no-repeat top right;
  background-color: #fff;
  min-height: 500px;
  margin-top: -2px;
  overflow: hidden;
  border-radius: 10px 10px 0 0;
}
.brend {
  margin-right: 40px;
}
.contentBox {
  width: 1200px;
  margin: 50px auto;
  margin-bottom: 0;
}
.contentBox ul {
  overflow: hidden;
  padding: 3px;
}
.contentBox ul li {
  float: left;
  width: 22%;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
  margin-bottom: 5%;
}
.contentBox ul li {
  margin: 0 1%;
  margin-bottom: 5%;
}
.contentBox ._top {
  position: relative;
  height: 120px;
  overflow: hidden;
  background: url(../../Image/zyly/img_01.png) no-repeat center center;
  background-size: cover;
}
.contentBox ._top img {
  width: 100%;
  height: auto;
}
.contentBox ._top p {
  position: absolute;
  top: 50%;
  left: 0;
  width: 70%;
  margin: 0 15%;
  color: #fff;
  line-height: 20px;
  margin-top: -10px;
  text-align: center;
  font-size: 1.2em;
}
.contentBox ._top:before {
  content: '';
  background: #fff;
  width: 15%;
  height: 1px;
  position: absolute;
  top: 50%;
  left: 0;
}
.contentBox ._top:after {
  content: '';
  background: #fff;
  width: 15%;
  height: 1px;
  position: absolute;
  top: 50%;
  right: 0;
}
.contentBox li:nth-child(1) ._top {
  background-image: url(../images/img_01.png);
}
.contentBox li:nth-child(2) ._top {
  background-image: url(../images/img_02.png);
}
.contentBox li:nth-child(8) ._top {
  background-image: url(../images/img_03.png);
}
.contentBox li:nth-child(11) ._top {
  background-image: url(../images/img_04.png);
}
.contentBox li:nth-child(3) ._top {
  background-image: url(../images/img_05.png);
}
.contentBox li:nth-child(7) ._top {
  background-image: url(../images/img_06.png);
}
.contentBox li:nth-child(6) ._top {
  background-image: url(../images/img_07.png);
}
.contentBox li:nth-child(4) ._top {
  background-image: url(../images/img_08.png);
}
.contentBox li:nth-child(9) ._top {
  background-image: url(../images/img_09.png);
}
.contentBox li:nth-child(10) ._top {
  background-image: url(../images/img_10.png);
}
.contentBox li:nth-child(5) ._top {
  background-image: url(../images/img_11.png);
}
.contentBox li:nth-child(12) ._top {
  background-image: url(../images/img_12.png);
}
.contentBox ._info {
  padding: 10px 20px;text-align: center;
}
.contentBox ._info a {
  margin-bottom: 0;
  color: #888888;
  font-size: 0.9em;
  line-height: 24px;
  display: block;
}
.contentBox .line_one {
  width: 100%;
  overflow: hidden;
}
.contentBox .line_one ._top {
  float: left;
  width: 30%;
}
.contentBox .line_one ._info {
  float: left;
  width: 70%;
  position: relative;
  padding: 15px 0;
}
.contentBox .line_one ._info a {
  float: left;
  width: 36%;
  margin: 0 7%;
}
.contentBox .line_one ._info:after {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  width: 1px;
  height: 60%;
  background: #888888;
}
@media screen and (max-width: 750px) {
  body {
    min-width: auto;
  }
  .top-title {
    width: 100%;
  }
  .contentBox {
    width: 100%;
  }
  .contentBox ul li {
    width: 90%;
    float: none;
    margin: 0 auto;
    margin-bottom: 5%;
  }
  .contentBox .line_one {
    width: 90%;
  }
  .contentBox .line_one ._top {
    float: none;
    width: 100%;
  }
  .contentBox .line_one ._info {
    float: none;
    width: 100%;
    padding: 15px 30px;
  }
  .contentBox .line_one ._info a {
    float: none;
    width: 100%;
  }
  .contentBox .line_one ._info:after {
    display: none;
  }
}