/* 左侧区域样式 */
.l_nav {
  width: 240px;
  position: absolute;
  /*margin-top: -102px;*/
}
.l_nav .top_title {
  width: 100%;
  height: 80px;
  background-color: #013066;
}
.l_nav .top_title .catalog {
  display: block;
  width: 100%;
  font-size: 24px;
  font-weight: bold;
  color: #ffffff;
  font-family: '微软雅黑';
  text-align: center;
  line-height: 80px;
}
.l_nav .link_nav {
  width: 100%;
  border-left: 11px solid #013066;
}
.l_nav .link_nav li {
  height: 47px;
  background-color: #eeeeee;
  background: url(../images/h_dayu.png) no-repeat 198px 17px;
  background-color: #eeeeee;
}
.l_nav .link_nav li a {
  display: block;
  width: 100%;
  line-height: 47px;
  font-size: 16px;
  color: #333333;
  font-family: '微软雅黑';
  padding-left: 32px;
}
.l_nav .link_nav li .drop-link {
    display: none;
}
.l_nav .link_nav li .drop-link a{
  height: 47px;
  width: 100%;
  color: #333333;
  font-size: 14px;
  font-family: 微软雅黑;
  padding-left: 50px;
overflow:hidden;
}
.l_nav .link_nav li .drop-link .on{
  color: #003f88;
  background-color: #ffffff;
}
.l_nav .link_nav .selected {
  background: url(../images/blue_dayu.png) no-repeat 198px 17px;
  background-color: #eeeeee;
}
.l_nav .link_nav .selected a {
  color: #003f88;
  font-weight: bold;
}
@media screen and (max-width: 640px) {
  .l_nav {
    width: 100%;
    position: initial;
    margin-top: 0px;
  }
  .l_nav .top_title {
    width: 100%;
    height: 80px;
    /* background: url(../images/title_bg.png) repeat; */
  }
  .l_nav .link_nav .selected {
    background: url(../images/blue_dayu.png) no-repeat 96% 17px;
    background-color: #eeeeee;
}
.l_nav .link_nav li {
  background: url(../images/h_dayu.png) no-repeat 96% 17px;
  background-color: #eeeeee;
}
}