.clear {
  zoom: 1;
}
.clear::after {
  content: '';
  display: block;
  clear: both;
}
.about-us .wrapper {
  width: 1200px;
  margin: 0 auto;
}
.about-us .wrapper > ul {
  width: 370px;
  margin: 17px auto;
}
.about-us .wrapper > ul > li {
  font-size: 16px;
  : Microsoft YaHei;
  font-weight: 400;
  color: #333333;
  line-height: 30px;
  height: 32px;
  padding: 0 15px;
  border: 1px solid #dadada;
  border-radius: 16px;
  text-align: center;
  float: left;
  cursor: pointer;
}
.about-us .wrapper > ul > li:not(:last-child) {
  margin-right: 16px;
}
.about-us .wrapper > ul > li.on {
  border: none;
  background-color: #10bbb8;
  color: #fff;
  line-height: 32px;
}
.about-us .wrapper .bd .tab-content {
  background-color: #fff;
  text-align: left;
  padding: 32px 24px 24px;
  box-shadow: 0px 0px 16px 0px rgba(152, 170, 184, 0.2);
}
.about-us .wrapper .bd .tab-content .inner-head {
  color: #333;
  font-size: 18px;
  font-weight: bold;
  position: relative;
  margin-bottom: 20px;
}
.about-us .wrapper .bd .tab-content .inner-head:after {
  content: '';
  position: absolute;
  width: 30px;
  height: 2px;
  left: 0;
  bottom: -10px;
  background-color: #10bbb8;
}
.about-us .wrapper .bd .tab-content .content h6 {
  font-size: 14px;
  font-weight: bold;
}
.about-us .wrapper .bd .tab-content .content > p {
  padding: 6px 0;
  color: #888888;
  font-size: 14px;
  font-weight: 400;
  line-height: 2;
}
.about-us .wrapper .bd .tab-content .content > ul {
  margin-top: 10px;
}
.about-us .wrapper .bd .tab-content .content > ul > li {
  padding: 24px 18px;
  float: left;
  width: 220px;
  text-align: center;
  background-color: #F2F2F5;
  height: 303px;
}
.about-us .wrapper .bd .tab-content .content > ul > li:hover .rule-tit {
  font-size: 18px;
}
.about-us .wrapper .bd .tab-content .content > ul > li:hover p {
  color: #ff6600;
}
.about-us .wrapper .bd .tab-content .content > ul > li:not(:last-child) {
  margin-right: 12px;
}
.about-us .wrapper .bd .tab-content .content > ul > li .rule-tit {
  font-weight: bold;
  font-size: 16px;
  margin-bottom: 10px;
  color: #333;
  transition: all linear 0.2s;
}
.about-us .wrapper .bd .tab-content .content > ul > li .explain {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}
.about-us .wrapper .bd .tab-content .content > ul > li > ul {
  margin-bottom: 10px;
  line-height: 1.6;
  height: 130px;
}
.about-us .wrapper .bd .tab-content .content > ul > li > ul li {
  font-size: 14px;
  color: #999;
}
.about-us .wrapper .bd .tab-content .content > ul > li p {
  line-height: 1.4;
  font-size: 14px;
  color: #333;
  transition: all linear 0.2s;
  text-align: left;
  height: 57px;
  margin-top: 22px;
}