.tiku_icon{ 
  display: block;
  background-image: ;
  background-repeat: no-repeat;
}
.icon_kaozheng{	
  width: 31px;
  height: 31px;
  position: absolute;
  left:0;
  top:6px;	
  background-position: 0 0;
}
.icon_jijin{
  width: 31px;
  height: 31px;
  position: absolute;
  left:0;
  top:6px;	
  background-position: -38px 0;
}
.icon_jing{
  width: 31px;
  height: 31px;
  position: absolute;
  left:0;
  top:6px;	
  background-position: -114px 0;
}
.icon_shuiwu{
  width: 31px;
  height: 31px;
  position: absolute;
  left:0;
  top:6px;	
  background-position: -76px 0;
}
.icon_search{
  width: 25px; 
  height: 18px;
  position: absolute;
  left:0;
  top:15px;
  background-position: -152px 0;  
}
.tiku_banner{
  width: 100%;
  height: 400px;
  overflow: hidden;
  position: relative;
}
.tiku_banner img{
  position: absolute;
  left:50%;
  top:0;
  margin-left: -960px;	
  width: 1920px;
}
.tiku_fenlei{
  padding-bottom: 5px;
}
.tiku_fenlei dl{
  padding:0 23px;
  margin-bottom: 15px;
}
.tiku_fenlei dt{
  margin-bottom: 5px;	
  padding-left: 38px;	
  line-height: 40px;	
  font-size: 18px;
  font-weight: 600;
  color: #333;
  position: relative;
}
.tiku_fenlei dd{
  margin-left: -13px;
}
.tiku_fenlei .item{
  height: 65px;
  width: auto;
  min-width: 238px;
  float: left;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  margin-left: 12px;
  background: #f3f8ff;
  border: 1px solid #bbd7ff;
  border-radius: 33px;	
  text-align: center;
  padding-left: 25px;
  padding-right: 25px;
}
.tiku_fenlei .item1{
  width: 238px;	
}
.tiku_fenlei .item2{
  width: 489px;	
}
.tiku_fenlei .item3{
  width: 738px;	
}
.tiku_fenlei .item a{
  display: block;
}
.tiku_fenlei .item1 a,.tiku_fenlei .item2 a{
  padding-top: 10px;
}
.tiku_fenlei .item3 a{
 padding-left: 80px;
 padding-right: 80px; 
}
.tiku_fenlei .course_title{
  font-size: 16px;
  color: #333;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.tiku_fenlei .course_count{
  font-size: 14px;	
  color: #999;	
}
.tiku_fenlei .item1 .course_title,.tiku_fenlei .item2 .course_title{
  line-height: 24px;	
}
.tiku_fenlei .item1 .course_count,.tiku_fenlei .item2 .course_count{
  line-height: 20px;	
}
.tiku_fenlei .item3 .course_title,.tiku_fenlei .item3 .course_count{
  line-height: 63px;
}
.tiku_index .tiku_fenlei .item {
  -webkit-transform: translatez(0);
  transform: translatez(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  -webkit-transition-property: color;
  transition-property: color;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  overflow: hidden;
}
.tiku_index .tiku_fenlei .item:before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #4e9cff;
  border-radius: 33px;
  -webkit-transform: scalex(0);
  transform: scalex(0);
  -webkit-transform-origin: 0 50%;
  transform-origin: 0 50%;
  -webkit-transition-property: transform;
  transition-property: transform;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  -webkit-transition-timing-function: ease-out;
  transition-timing-function: ease-out;
}
.tiku_index .tiku_fenlei .item:hover,.tiku_fenlei .item.active{
  background: #4e9cff;
  box-shadow: 0px 4px 18px 0px rgba(12, 119, 255, 0.22); 
}
.tiku_index .tiku_fenlei .item:hover:before,.tiku_index .tiku_fenlei .item:focus:before,.tiku_fenlei .item:active:before {
  -webkit-transform: scalex(1);
  transform: scalex(1);
}
.tiku_index .tiku_fenlei .item:hover .course_title,.tiku_index .tiku_fenlei .item:hover .course_count,.tiku_fenlei .item.active .course_title,.tiku_fenlei .item.active .course_count{
  color: #fff;  
}
.tiku_search{
 width: 360px;
 margin:0 auto;
 position: relative;	
}
.tiku_search input{
  width: 100%;
  height: 50px;
  padding-left: 38px;
  font-size: 16px;
  color: #333;	
  border:none;
  background: none;
}
.tiku_search .search_submit{
  position: absolute;
  right: -10px;
  top: 0;
  width: 50px;
  line-height: 50px;
  background: #fff;
  border: none;
  color: #999;
  cursor: pointer;
}