.position {
  width: 1200px;
  margin: 0 auto;
  margin-top: 35px;
}
.position span {
  font-size: 14px;
  font-weight: bold;
}
.big {
  width: 1200px;
  height: auto;
  min-height: 472px;
  margin: 0 auto;
  display: flex;
  box-sizing: border-box;
}
.big .mainleft {
  height: auto;
  width: 250px;
  float: left;
}
.big .mainleft ul {
  padding-top: 30px;
  box-sizing: border-box;
}
.big .mainleft ul li {
  height: 60px;
  line-height: 60px;
  list-style: none;
  font-size: 15px;
  text-align: left;
  padding-left: 18px;
  background-color: #fff;
  border-bottom: 2px #178bc7 solid;
  cursor: pointer;
}
.big .mainleft ul li.active,.big .mainleft ul li:hover {
  background-color: #3e98d3;
  color: #fff;
}
.big .newsroom {
  width: 1200px;
  margin: 0 auto;
  margin-top: 33px;
}
.big .newsroom .title {
  text-align: center;
  margin-bottom: 30px;
}
.big .newsroom .title span {
  font-size: 30px;
  font-weight: bold;
}
.big .newsroom .attribute {
  width: 900px;
  height: 33px;
  margin: 0 auto;
  margin-bottom: 17px;
  border-bottom: 8px solid #f5f5f5;
  display: flex;
  justify-content: space-between;
}
.big .newsroom .attribute span {
  font-size: 12px;
}
.big .newsroom .container {
  width: 100%;
  height: auto;
  margin: 0 auto;
  text-align: center;
}
.big .newsroom .container .fst {
  display: block;
  width: 900px;
  text-align: left;
  margin: 0 auto;
  margin-bottom: 38px;
}
.big .newsroom .container img {
  /*width: auto;*/
  /*height: auto;*/
  margin-bottom: 46px;
}
.big .newsroom .container .scd {
  display: block;
  width: 900px;
  text-align: left;
  margin: 0 auto;
  margin-bottom: 38px;
}
.big .newsroom .container .tid {
  display: block;
  width: 900px;
  text-align: left;
  margin: 0 auto;
  margin-bottom: 70px;
}