.main-banner {
  width: 760px;
  margin: 0 auto;
}
.main-box-serve {
  padding: 30px 0;
}
.main-box-serve .main-banner {
  margin-bottom: 30px;
  padding-bottom: 30px;
}

.main-box-serve .banner-top {
  position: relative;
}

.main-box-serve .banner-top .top-left {
  width: 290px;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
}

.main-box-serve .banner-top .top-left .picbox {
  height: 100%;
}

.main-box-serve .banner-top .top-left .picbox .pic {
  height: 100%;
  line-height: 100%;
  width: 100%;
  position: relative;
  z-index: 1;
  display: table;
  text-align: center;
  font-size: 0;
}

.main-box-serve .banner-top .top-left .picbox .pic p {
  display: table-cell;
  vertical-align: middle;
}

.main-box-serve .banner-top .top-left .picbox .pic p img {
  border: 0;
  vertical-align: middle;
  display: block;
  max-height: 100%;
  max-width: 100%;
  position: relative;
  top: -6px;
}

.main-box-serve .banner-top .top-right {
  margin-left: 290px;
}

.main-box-serve .banner-top .top-right h2 {
  font-size: 24px;
  color: #333;
  line-height: 30px;
  padding-bottom: 9px;
  padding-top: 22px;
}

.main-box-serve .banner-top .top-right p {
  font-size: 12px;
  color: #333;
  line-height: 24px;
  min-height: 72px;
  padding-bottom: 10px;
}
.y-bd {
  width: 720px;
  margin: 0 auto;
}
.y-bd .main-tab-box .tab-title {
  font-size: 16px;
  color: #000;
}
.y-bd {
  border: solid 1px #ddd;
  background: #fff;
  padding: 20px 23px;
}

.tab-nomarl-list .list-item {
  margin-top: -1px;
  border-top: 1px dashed #e0e0e0;
  padding-bottom: 22px;
}

.main-box-serve .tab-nomarl-list .list-item h4 {
  line-height: 24px;
  font-size: 12px;
  padding-top: 26px;
  color: #000;
}
.main-box-serve .tab-nomarl-list .list-item p {
  line-height: 24px;
  font-size: 12px;
  color: #666;
}