.navigation_head {
  margin: 41px 0 30px 0;
}
.navigation_head span {
  font-size: 14px;
  font-weight: 400;
  color: #999;
}
.navigation_head span a {
  font-size: 14px;
  font-weight: 400;
  color: #999;
}
.navigation_head .text {
  font-size: 14px;
  font-weight: 400;
  color: #333;
  cursor: pointer;
}
.top {
  width: 100%;
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
}
.navigation_head .text:hover {
  color: #49B849;
}
.version {
  width: 1200px;
  margin: 0 auto;
}
body {
  overflow-x: hidden;
}
.clearfix:after {
  content: ".";
  clear: both;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  display: block;
}
.clearfix {
  zoom: 1;
}
.part3_content li {
  width: 383px;
  height: 451px;
  box-sizing: border-box;
  border-radius: 20px 20px 20px 20px;
  opacity: 1;
  float: left;
  margin-right: 25px;
  position: relative;
  overflow: hidden;
  background-color: white;
  margin-bottom: 30px;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.1);
}
.part3_content li:nth-child(3n) {
  margin-right: 0;
}
.part3_content li:hover {
  box-shadow: 0px 0px 10px 5px rgba(0, 0, 0, 0.1);
}
.part3_content .part3_clip {
  width: 383px;
  height: 291px;
  border-radius: 20px 20px 20px 20px;
}
.part3_content .part3_clip img {
  width: 100%;
  display: block;
  clip-path: polygon(0 0, 100% 0, 100% 232px, 0 95%);
}
.part3_content .part3_title p {
  width: 383px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-wrap: break-word;
  word-break: break-all;
  box-sizing: border-box;
  padding: 18px 21px 0 20px;
}
.part3_content .part3_title p a {
  font-size: 18px;
  font-weight: bold;
  color: #333;
}
.part3_content .part3_title p a:hover {
  color: #49b849;
}
.part3_content .part3_title .mork {
  width: 100%;
  height: 100%;
  background-color: #fff;
  position: absolute;
  top: 451px;
  border-radius: 20px 20px 20px 20px;
  border-bottom: 12px solid #49b849;
  box-sizing: border-box;
  overflow: hidden;
  transition: .7s;
}
.part3_content .part3_title .mork .frame {
  width: 96px;
  height: 78px;
}
.part3_content .part3_title .mork .frame img {
  width: 100%;
  display: block;
  margin-left: 20px;
}
.part3_content .part3_title .mork .caption {
  width: 311px;
  line-height: 25px;
  margin: 71px auto;
  box-sizing: border-box;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  word-wrap: break-word;
  word-break: break-all;
}
.part3_content .part3_title .mork .caption a {
  font-size: 16px;
  font-weight: 500;
  color: #333;
}
.part3_content .part3_title .mork .mork_book img {
  width: 146.07px;
  height: 134.55px;
  margin-left: 207px;
  opacity: 1;
  position: absolute;
  bottom: 7px;
  right: 17px;
}
.part3_content .part3_title:hover .mork {
  top: 0;
}
.part3_content .part3_details {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
}
.part3_content .part3_details_text {
  margin-top: 25px;
}
.part3_content .part3_details_text a {
  font-size: 14px;
  font-weight: 500;
  color: #666;
  padding-left: 21px;
}
.part3_content .part3_details_text a:hover {
  color: #49b849;
}
.part3_content .part3_entrance {
  width: 96px;
  height: 34px;
  border-radius: 5px 5px 5px 5px;
  opacity: 1;
  border: 1px solid #49b849;
  text-align: center;
  line-height: 34px;
  margin-top: 18px;
  margin-right: 20px;
  box-sizing: border-box;
}
.part3_content .part3_entrance a {
  font-size: 14px;
  font-weight: 500;
  color: #49b849;
}