#nav {
  background-color: #e1eef7;
}

#nav button {
  display: inline-block;
  font-size: 18px;
  width: 88px;
  height: 32px;
  line-height: 25px;
  text-align: center;
  padding: 5px;
  border: 0;
  background-color: #e1eef7;
}

#nav .active {
  background-color: #0982a1;
  color: #fff;
}

.notice ul {
  display: none;
}

.notice ul.on {
  display: block;
}

#navGroupChat {
  width: 240px;
  height: 30px;
}

#navGroupChat li {
  display: inline-block;
  width: 120px;
  float: left;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  font-weight: bold;
  border-bottom: 1px solid #c3d4e7;
}

#navGroupChat .active {
  background-image: linear-gradient(#fff, #b2f9f8);
  color: #1e50a2;
}

.iconsgropuchat {
  padding-left: 2px;
  display: inline-block;
}

.col-ding-3 .c_right h3.hm {
  height: 29px;
  line-height: 15px;
  text-align: center;
  font-size: 12px;
  background: #e1eef7;
  padding-top: 1px;
}

#navEduNews {
  width: 240px;
  height: 30px;
}

#navEduNews li {
  display: inline-block;
  width: 120px;
  float: left;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  font-weight: bold;
  border-bottom: 1px solid #c3d4e7;
}

#navEduNews .active {
  background-image: linear-gradient(#fff, #b2f9f8);
  color: #1e50a2;
}

.edunews li {
  width: 220px;
  height: 25px;
  display: inline-block;
  float: left;
  text-align: left;
  font-size: 12px;
  margin-left: 10px;
  margin-top: 2px;
}

.edunews li > span {
  width: 20px;
  height: 20px;
  display: inline-block;
  text-align: center;
  line-height: 20px;
  font-size: 12px;
}

.edunews li > span.on {
  background-color: #145ccd;
  color: #fff;
}

.edunews li > span:hover {
  background-color: #145ccd;
  color: #fff;
}

.edunews li > a {
  padding-left: 5px;
}