.banner {
  width: 100%;
}
.banner img {
  width: 100%;
}
.content-wrap {
  margin: 100px auto 0;
  width: 1400px;
}
.content-wrap .tab {
  padding: 0 ;
}
.content-wrap .tab .tab-item {
  display: inline-block;
  margin-right: 126px;
  margin-top: 20px;
  width: 180px;
  line-height: 50px;
  border-radius: 66px;
  background-color: #f2f2f2;
  cursor: pointer;
}
.content-wrap .tab .tab-item:nth-last-of-type(1) {
  margin-right: 0;
}
.content-wrap .tab .tab-item.active {
  background-color: #ffcc00;
}
.content-wrap .introduction-warp {
  padding-top: 100px;
}
.content-wrap .introduction-warp .info-wrap {
  color: #333;
}
.content-wrap .introduction-warp .info-wrap .title {
  font-size: 18px;
  font-weight: bold;
}
.content-wrap .introduction-warp .info-wrap .desc {
  margin-top: 20px;
  font-size: 14px;
}
.content-wrap .introduction-warp .first .pic-wrap {
  width: 600px;
  height: 372px;
}
.content-wrap .introduction-warp .first .pic-wrap img {
  width: 100%;
  height: 100%;
}
.content-wrap .introduction-warp .first .info-wrap {
  margin-left: 690px;
}
.content-wrap .introduction-warp .first .info-wrap .more {
  display: inline-block;
  margin-top: 50px;
}
.content-wrap .introduction-warp .other {
  padding: 25px 0 100px;
}
.content-wrap .introduction-warp .other .other-item {
  margin-top: 100px;
  display: inline-block;
}
.content-wrap .introduction-warp .other .other-item:nth-of-type(odd) {
  width: 50%;
}
.content-wrap .introduction-warp .other .other-item:nth-of-type(even) {
  width: 50%;
}
.content-wrap .introduction-warp .other .other-item .pic-wrap {
  width: 240px;
  height: 172px;
}
.content-wrap .introduction-warp .other .other-item .pic-wrap img {
  width: 100%;
  height: 100%;
}
.content-wrap .introduction-warp .other .other-item .info-wrap {
  margin-left: 260px;
  padding-top: 5px;
}
.content-wrap .introduction-warp .other .other-item .info-wrap .more {
  display: inline-block;
  margin-top: 25px;
}