.top_wrap {
  width: 1400px;
  margin: 0 auto 0 auto;
  overflow: hidden;
  background-color: #fff;
  min-width: 1200px;
}
.top_wrap .main_search_bar {
  position: relative;
  width: 660px;
  margin: 75px auto 100px auto;
}
.top_wrap .main_search_bar .recently_search {
  margin-top: 10px;
  margin-left: 2px;
  margin-bottom: 30px;
  overflow: hidden;
}
.top_wrap .main_search_bar .recently_search .recently_title {
  margin-bottom: 20px;
  font-size: 16px;
  font-family: MicrosoftYaHei-Bold;
  font-weight: bold;
  color: #303030;
}
.top_wrap .main_search_bar .recently_search .recently_items {
  float: left;
  margin-right: 34px;
}
.top_wrap .main_search_bar .recently_search .recently_items a {
  line-height: 14px;
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #666666;
  display: block;
}
.top_wrap .main_search_bar .recently_search .recently_items a:hover {
  color: #0057FF;
}
.top_wrap .main_search_bar .recently_search .recently_items:last-child {
  margin-right: 0;
}
.top_wrap .main_search_bar .hot_search {
  margin-top: 10px;
  margin-left: 2px;
}
.top_wrap .main_search_bar .hot_search .hot_title {
  margin-bottom: 25px;
  font-size: 16px;
  font-family: MicrosoftYaHei-Bold;
  font-weight: bold;
  color: #303030;
}
.top_wrap .main_search_bar .hot_search .hot_itme {
  float: left;
  margin-right: 34px;
  margin-bottom: 20px;
}
.top_wrap .main_search_bar .hot_search .hot_itme a {
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #666666;
}
.top_wrap .main_search_bar .hot_search .hot_itme a:hover {
  color: #0057ff;
}
.top_wrap .main_search_bar > .search {
  width: 583px;
  height: 48px;
  background: #ffffff;
  border: 1px solid #dcdcdc;
  border-radius: 4px;
  border-top-right-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  padding-left: 94px;
  margin-right: -5px;
  vertical-align: middle;
  color: #303030;
  margin-bottom: 20px;
  outline: none;
  box-shadow: none;
}
.top_wrap .main_search_bar > .search:focus {
  border-color: #bfbfbf;
}
.top_wrap .main_search_bar > .search::placeholder {
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #999999;
}
.top_wrap .main_search_bar > .search.selecting {
  border-bottom-left-radius: 0px;
}
.top_wrap .main_search_bar .search_submit {
  vertical-align: middle;
  box-shadow: none;
  width: 77px;
  height: 48px;
  background: #388cff;
  border-radius: 0px 6px 6px 0px;
  outline: none;
  border: none;
  display: inline-block;
  margin-bottom: 20px;
}
.top_wrap .main_search_bar .search_submit:hover {
  background-color: #0057FF;
}
.top_wrap .main_search_bar > .main_select_box {
  width: 75px !important;
  height: 48px !important;
  position: absolute;
  top: 0;
  left: 0;
}
.top_wrap .main_search_bar > .main_select_box > .select_text {
  border: none !important;
  background-color: unset;
  padding: 0 0 0 20px !important;
}
.top_wrap .main_search_bar > .main_select_box > .select_text > .filter-title {
  height: 48px;
  width: 100%;
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #303030;
  border: unset;
  background-color: unset;
}
.top_wrap .main_search_bar > .main_select_box > .select_text > .select_icon {
  top: 22px !important;
  right: 8px !important;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list {
  width: 150px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #dcdcdc;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  top: 47px !important;
  margin-bottom: 0;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list > li {
  width: 160px;
  height: 30px;
  padding-left: 9px;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list > li:first-child {
  margin-top: 5px;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list > li:last-child {
  margin-bottom: 5px;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list > li > a {
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #303030;
  line-height: 30px !important;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list > li.filter-selected {
  background: unset;
  color: #303030;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list > li:hover {
  background: #0057FF;
}
.top_wrap .main_search_bar > .main_select_box > .filter-list > li:hover > a {
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #ffffff;
}
.top_wrap .search_type_tab {
  margin: 0;
  height: 32px;
  position: relative;
}
.top_wrap .search_type_tab #bottomline_1 {
  height: 4px;
  background: #0057ff;
  position: absolute;
  left: 0;
  bottom: 0;
  transition: all 0.3s ease;
}
.top_wrap .search_type_tab li.type_items {
  float: left;
  margin-right: 25px;
}
.top_wrap .search_type_tab li.type_items.active {
  background-color: unset;
}
.top_wrap .search_type_tab li.type_items.active a {
  color: #0057FF;
}
.top_wrap .search_type_tab li.type_items a {
  line-height: 100%;
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #303030;
  display: block;
}
.top_wrap .search_type_tab li.type_items a:hover {
  color: #0057ff;
}
.bottom_wrap {
  background-color: #F3F6FB;

}
.bottom_wrap .bottom_content {
  width: 1400px;
  margin: 0 auto;
  min-width: 1200px;
}

/*搜索为空*/
.content_null{
  display: none;
}
.content_null_box{
  width: 240px;
  margin: 0 auto;
  padding: 105px 0 100px;
  text-align: center;

}
.content_null_box>p{
  margin-top: 47px;
  font-size:20px;
  line-height: 20px;
  font-weight:400;
  color:rgba(48,48,48,1);
}
.content_null_box>span{
  margin-top: 12px;
  font-size:14px;
  line-height: 14px;
  font-weight:400;
  color:#999999;
}
.content_null>h3{
  font-size:24px;
  line-height: 24px;
  font-weight:bold;
  color:rgba(48,48,48,1);
}


/*作业组*/
.working_group_h3{
  margin: 16px 0 5px;
  font-size:24px;
  line-height: 24px;
  font-weight:bold;
  color:rgba(48,48,48,1);
}
.working_group{
  margin: 0;
}

.working_group .img-font-div>p{
  margin: 28px 0 15px;
  font-size:16px;
  line-height: 16px;
  font-weight:400;
  color:rgba(75,75,75,1);
}
.working_group .img-font-div>div{
  margin-bottom: 28px;
}
.working_group .img-font-div span{
  font-size:12px;
  line-height: 12px;
  font-weight:400;
  color:rgba(160,160,160,1);
}
.working_group .img-font-div span:first-child{
  margin-right: 16px;
}

/*导师团队*/


.Mentor_Team{
  text-align: center;
  display: flex;
  display: -ms-flexbox;

  flex-wrap: wrap;
  -ms-flex-wrap: wrap;

  justify-content: start;
  -ms-flex-pack: start;
}
/*Mentor*/
.Mentor{
  display: inline-block;
  width: 23.5%;
  padding: 0.8rem;
  margin:30px 19px 0px 0;
  background:rgba(255,255,255,1);
  border:1px solid rgba(243, 246, 251, 1);
  border-radius:5px;

  /*box-shadow:0px 5px 6px 1px rgba(67,95,148,0.14);*/
  /*opacity:0.5;*/
}
.Mentor:nth-child(4n){
  margin-right: 0;
}
.Mentor_top{
  width: 100%;
  background:rgba(245,245,245,1);
  padding-bottom: 1.3rem;
}
.Mentor_top>span{
  display: inline-block;
  width: 40%;
  margin-top: 0.85rem;
}
.Mentor_top>span img{
  max-width: 100%;
}
.Mentor_top>h3{
  font-size:1.1rem;
  font-weight:400;
  color:rgba(0,0,0,1);
  margin: 0.6rem 0 1.3rem;
}
.Mentor_top>p{
  font-size:12px;
  line-height: 12px;
  margin-bottom: 0.6rem;
  font-weight:400;
  color:rgba(102,102,102,1);
}
.Mentor_bot{
  display: -ms-flexbox;
  display: flex;

  -ms-flex-align: center;
  align-items: center;

  -ms-flex-pack: center;
  justify-content: center;
}
.Mentor_bot>p{
  width: 100%;
  display: inline-block;
  word-wrap: break-word;
  -ms-word-wrap: break-word;
  height: 2.25rem;
  text-align: left;
  font-size:12px;
  padding: 1.7rem 38px 0.9rem;
  font-weight:400;
  color:rgba(153,153,153,1);
  box-sizing: content-box;
}
.Mentor_bot>div{
  display: none;

}
.Mentor_bot>div a{
  display: inline-block;
  margin: 1.8rem 0 1rem;
  width:6rem;
  height:2rem;
  line-height: 2rem;
  border:1px solid rgba(238,238,238,1);
  border-radius:5px;

  font-size:12px;
  font-weight:400;
  color:rgba(153,153,153,1);
}
.Mentor_bot>div a:first-child{
  margin-right: 0.5rem;
  background:rgba(54,153,255,1);
  color:rgba(255,255,255,1);
  border:1px solid rgba(54,153,255,1);
}

.Mentor:hover{
  box-shadow: 0px 15px 8px -10px rgba(75, 75, 75, 0.1);
}
.Mentor:hover .Mentor_bot>p{
  display: none;
}
.Mentor:hover .Mentor_bot>div{
  display: flex;
  display: -ms-flexbox;
}
.Mentor_bot>div a:first-child:hover{
  background:rgba(0,87,255,1);
}
.Mentor_top>h3:hover{
  color: #0057FF;
}




/* 适配1400 */
@media (max-width: 1400px) {
  .bottom_content {
    width: 1200px !important;
  }
  .top_wrap {
    width: 1200px !important;
  }
}