@charset "utf-8";
.first {
  background: #3cc4ce;
  height: 450px;
}
.leftBox {
  width: 680px;
  height: 450px;
  box-sizing: border-box;
  padding: 50px 25px;
  position: relative;
}
.leftBox h4 {
  font-size: 40px;
  font-weight: bold;
  color: #fff;
  line-height: 72px;
}
.leftBox span {
  line-height: 40px;
  color: #fff;
}
.leftBox a {
  font-size: 20px;
  color: #fff;
  position: absolute;
  left: 30px;
  bottom: 70px;
}
.rightBox {
  width: 700px;
  height: 450px;
}
.rightBox img {
  width: 100%;
  height: 450px;
}
.pic_list ul li {
  width: 330px;
  height: 355px;
  float: left;
  border-bottom: 5px solid #3cc4ce;
}
.pic_list ul li img {
  width: 100%;
  height: 190px;
}
.pic_list ul li h3 {
  font-size: 20px;
  font-weight: bold;
  line-height: 36px;
}
.pic_list ul li span {
  display: block;
  margin-top: 15px;
}
.nleft,
.nright {
  overflow: hidden;
  float: left;
}
.nleft ul li {
  width: 500px;
  height: 505px;
  float: left;
  border-bottom: 5px solid #3cc4ce;
}
.nleft ul li img {
  width: 100%;
}
.nleft ul li h3 {
  font-size: 20px;
  font-weight: bold;
  line-height: 36px;
}
.nleft ul li span {
  display: block;
  margin-top: 15px;
}
.nleft ul li a {
  position: absolute;
  right: 0;
  bottom: 15px;
  color: #3cc4ce;
  font-size: 18px;
}
.nright {
  width: 860px;
}
.nright ul li {
  overflow: hidden;
  margin-bottom: 15px;
}
.nright ul li:last-child {
  margin-bottom: 0;
}
.nright ul li span {
  width: 120px;
  height: 90px;
  float: left;
  text-align: center;
  line-height: 30px;
  padding-top: 15px;
  border-bottom: 5px solid #3cc4ce;
  box-sizing: border-box;
  font-size: 18px;
  color: #3cc4ce;
}
.nright ul li span em {
  display: block;
}
.nright .title {
  float: left;
  width: 740px;
  height: 89px;
  border-bottom: 1px dashed #c2c2c2;
  box-sizing: border-box;
  padding: 15px;
}
.nright .title h3 {
  font-size: 18px;
  font-weight: bold;
}
.nright .title p {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nright ul li:hover span {
  background: #3cc4ce;
  color: #fff;
  transition: 0.6s;
}
.nright ul li:hover .title {
  background: #f0f0f0;
  transition: 0.6s;
}
.colum {
  overflow: hidden;
}
.colum ul li {
  float: left;
  line-height: 40px;
  margin: 0 20px;
  font-size: 16px;
}
.colum ul li a:hover {
  color: #3cc4ce;
}