.left {
  float: left;
  width: 170px;
  height: 450px;
  position: relative;
  overflow: hidden;
  background-color: #ffffff;
}
.left .active {
  color: #0056b3;
}
.left h3 {
  font-size: 25px;
  color: #ffffff;
  height: 50px;
  line-height: 50px;
  text-align: center;
  background-color: #0056b3;
}
.left h3 span {
  height: 55px;
  line-height: 55px;
  display: inline-block;
}
.left ul {
  text-align: center;
  width: 100%;
  overflow: hidden;
  margin-top: 25px;
}
.left ul span {
  font-size: 14px;
  margin-right: 30px;
}
.left ul li {
  position: relative;
}
.left ul li a {
  font-size: 14px;
}
.left ul li a:hover {
  color: #0056b3;
}

.right {
  width: 940px;
  min-height: 420px;
  background-color: #ffffff;
  float: left;
  margin-left: 25px;
  padding: 15px 30px;
  font-size: 15px;
}
.right h3 {
  font-size: 25px;
  color: #cecece;
  height: 40px;
  line-height: 40px;
}
.right .activity {
  margin-left: 55px;
  margin-top: 20px;
  width: 820px;
  height: 140px;
  padding-bottom: 20px;
  border-bottom: 1px solid #c1c1c1;
}

.right .activity .title{
  font-size: 16px;
  font-weight: bold;
}
.right .activity .title span{
  font-size: 14px;
  color: #ffffff;
  display: inline-block;
  width: 60px;
  height: 20px;
  border-radius: 10px;
  background-color: #ff6a07;
  text-align: center;
  margin-left: 10px;
  font-weight: normal;
}

.right .activity .act{
  font-size: 14px;
  color: #7e7e81;
  margin-bottom: 10px;
}

.right .activity .act_href{
  position: relative;
  left: 385px;
  font-size: 16px;
  color: #2567b2;
}

.activity img{
  margin-right:25px;
  float:left;
  width: 290px;
  height: 140px
}

.not_act{
  margin: 0 auto;
  display: block;
  width: 340px;
  height: 300px;
  line-height: 300px;
  font-size: 20px;
  color: #0056b3;
}