.column1 {
  margin-top: 36px;
}
.column1_left {
  width: 590px;
  height: 393px;
  margin-right: 25px;
  position: relative;
}
.column1_left img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.column1_left .title {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 64px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.76) 100%);
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
  line-height: 64px;
  padding: 0 20px;
}
.column1_right {
  width: 585px;
}
.column1_right ul {
  overflow: hidden;
  margin-top: -26px;
}
.column1_right li {
  width: 280px;
  height: 187px;
  box-shadow: 0px 4px 20px 0px rgba(0, 0, 0, 0.1);
  position: relative;
  float: left;
  margin-right: 25px;
  margin-top: 26px;
}
.column1_right li:nth-child(2n) {
  margin-right: 0;
}
.column1_right li img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.column1_right li .title {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 52px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.76) 100%);
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
  line-height: 52px;
  padding: 0 16px;
}
.column_head {
  height: 26px;
  background: url(imgs/bg/head1.png) no-repeat;
  background-size: 27px 24px;
  margin-top: 40px;
  overflow: hidden;
  line-height: 1;
}
.column_head .column_head_left {
  width: 219px;
}
.column_head .column_head_left span {
  font-family: Microsoft YaHei, Microsoft YaHei;
  font-weight: 400;
  font-size: 20px;
  color: #333333;
  line-height: 26px;
  padding-left: 35px;
}
.column_head .column_head_center {
  margin-top: 5px;
  line-height: 18px;
}
.column_head .column_head_center a {
  margin-right: 30px;
  font-weight: 400;
  font-size: 14px;
  line-height: 18px;
}
.column_head .column_head_center a.on {
  color: #ef2f39;
}
.column_head .more {
  font-weight: 400;
  font-size: 14px;
  color: #999999;
  line-height: 18px;
}
.column_head .more:hover {
  color: #ef2f39;
}
.column_body {
  margin-top: 20px;
}
.column_body ul {
  overflow: hidden;
  margin-top: -20px;
}
.column_body li {
  width: 386px;
  height: 350px;
  float: left;
  background: #ffffff;
  box-shadow: 0px 8px 15px 0px rgba(96, 0, 5, 0.1);
  border-radius: 0px 0px 0px 0px;
  border: 1px solid #eeeeee;
  margin-right: 21px;
  margin-top: 20px;
  padding: 20px;
}
.column_body li:hover {
  border: 1px solid #ef2f39;
}
.column_body li:nth-child(3n) {
  margin-right: 0;
}
.column_body li .title {
  height: 22px;
  font-family: Microsoft YaHei, Microsoft YaHei;
  font-weight: 700;
  font-size: 14px;
  color: #333333;
  line-height: 22px;
  text-align: center;
}
.column_body li .img_wrap {
  width: 346px;
  height: 230px;
  margin-top: 20px;
}
.column_body li .img_wrap img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.column_body li .label_wrap {
  margin-top: 16px;
  font-size: 0;
}
.column_body li .label_wrap .industry {
  font-weight: 400;
  font-size: 14px;
  color: #666666;
  line-height: 22px;
  display: inline-block;
  vertical-align: middle;
}
.column_body li .label_wrap i {
  display: inline-block;
  width: 1px;
  height: 14px;
  background-color: #e5e5e5;
  vertical-align: middle;
  margin: 0 8px;
}
.column_body li .label_wrap .time {
  font-weight: 400;
  font-size: 14px;
  color: #999999;
  line-height: 22px;
  vertical-align: middle;
}
.column_body li .label_wrap a {
  font-weight: 400;
  font-size: 14px;
  color: #ef2f39;
  line-height: 18px;
}
.column3 .column_head {
  height: 26px;
  background: url(imgs/bg/head2.png) no-repeat;
  background-size: 27px 24px;
}
.column4 {
  margin-bottom: 42px;
}
.column4 .column_head {
  height: 26px;
  background: url(imgs/bg/head3.png) no-repeat;
  background-size: 27px 24px;
}
.column4 .column_body_left {
  width: 598px;
  height: 455px;
  background: linear-gradient(180deg, #f1f0f6 0%, #faefef 100%);
  padding: 20px;
}
.column4 .column_body_left .title {
  height: 24px;
  font-family: Microsoft YaHei, Microsoft YaHei;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
  text-align: center;
}
.column4 .column_body_left .img_wrap {
  width: 558px;
  height: 371px;
  margin-top: 20px;
}
.column4 .column_body_left .img_wrap img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.column4 .column_body_right {
  width: 572px;
}
.column4 .column_body .tab_list {
  height: 32px;
  font-size: 0;
}
.column4 .column_body .tab_list a {
  background: #f7f7f7;
  line-height: 32px;
  margin-right: 16px;
  padding: 0 16px;
  display: inline-block;
  font-size: 14px;
  color: #666666;
}
.column4 .column_body .tab_list a.on,
.column4 .column_body .tab_list a:hover {
  background: #ffefef;
  color: #ef2f39;
  text-decoration: none;
}
.column4 .column_body .tab_content .top {
  overflow: hidden;
  margin-top: 16px;
}
.column4 .column_body .tab_content .top .item {
  width: 278px;
  height: 193px;
  background: #f7f7f7;
  padding: 12px;
  float: left;
  margin-right: 16px;
}
.column4 .column_body .tab_content .top .item:last-child {
  margin-right: 0;
}
.column4 .column_body .tab_content .top .item a {
  display: block;
  width: 254px;
  height: 169px;
}
.column4 .column_body .tab_content .top .item a img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.column4 .column_body .tab_content .bottom .item {
  height: 42px;
  line-height: 42px;
  border-bottom: 1px solid #eeeeee;
}
.column4 .column_body .tab_content .bottom .item a:hover {
  text-decoration: none;
}
.column4 .column_body .tab_content .bottom .item .title {
  float: left;
  width: 80%;
  font-weight: 400;
  font-size: 14px;
  color: #333333;
}
.column4 .column_body .tab_content .bottom .label_wrap {
  float: right;
  font-size: 0;
  line-height: 42px;
  height: 42px;
}
.column4 .column_body .tab_content .bottom .label_wrap .see {
  font-weight: 400;
  font-size: 14px;
  color: #666666;
}
.column4 .column_body .tab_content .bottom .label_wrap .see:hover {
  color: #ef2f39;
}
.column4 .column_body .tab_content .bottom .label_wrap i {
  display: inline-block;
  width: 1px;
  height: 12px;
  background-color: #d8d8d8;
  margin: 0 8px;
}
.column4 .column_body .tab_content .bottom .label_wrap .download {
  font-weight: 400;
  font-size: 14px;
  color: #3569ff;
}
.column4 .column_body .tab_content .bottom .label_wrap .download:hover {
  color: #ef2f39;
}