nav .container {
  height: 500px;
  width: 100%;
  position: relative;
  background-image: url(https://static.igem.wiki/teams/4263/wiki/images/member-images/members-allpic.jpg);
  background-size: 100% 100%;
}

nav .container .title {
  position: absolute;
  left: 50%;
  bottom: 3%;
  font-size: 30px;
  color: white;
  transform: translate(-50%, -50%) translateZ(-100px);
  font-family: fantasy;
  letter-spacing: 1px;
}

article {
  position: relative;
  z-index: 3;
  margin: 60px 10vw 100px;
  font-size: 22px;
  line-height: 36px;
  text-align: justify;
  font-family: 'Arial';
}

article .tab {
  overflow: hidden;
}

article .tab ul li {
  float: left;
  text-align: center;
  width: 50%;
  color: #717071;
  font-size: 24px;
  font-weight: bold;
  padding: 5px 0;
  height: 40px;
  border-radius: 20px;
  line-height: 30px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

article .tab ul li:hover {
  background-color: #eeeeee;
}

article .tab ul li:nth-child(1) {
  color: #bb5e6d;
  font-size: 28px;
}

article h3 {
  font-weight: normal;
  text-align: justify;
  line-height: 36px;
  font-size: 22px;
  padding-top: 60px;
}

article h4 {
  text-align: center;
  color: #909090;
  font-size: 12px;
  line-height: 28px;
  font-weight: 700;
  margin-top: 10px;
}

article .CCiC {
  display: block;
}

article .CCiC .CCiC_certificate {
  background-color: #f7f8f8;
  margin: -70px -10vw 0px;
  padding: 120px 0 50px;
}

article .CCiC .CCiC_certificate img {
  width: 20%;
}

article .CCiC .CCiC_certificate img:nth-child(1) {
  margin: 0 10% 0 20%;
}

article .CCiC .CCiC_certificate img:nth-child(2) {
  margin: 0 20% 0 10%;
}

article .SouthernMeeting {
  display: none;
}

article .SouthernMeeting .meeting {
  width: 100%;
  overflow: hidden;
}

article .SouthernMeeting .meeting .left {
  width: 60%;
  text-align: center;
  float: left;
}

article .SouthernMeeting .meeting .left img {
  width: 80%;
  margin: 5% 10% 0;
  border: 1px solid #000;
}

article .SouthernMeeting .meeting .right {
  padding-top: 4%;
  line-height: 36px;
  font-size: 22px;
  text-align: justify;
}

article .NanJing {
  display: none;
  margin-top: 60px;
}

article .NanJing a {
  color: #0ba8d8;
}

article .NanJing a:hover {
  text-decoration: underline;
}

/* article .NanJing h2 {
  background-color: #ffcfa7;
  border-radius: 20px;
  font-size: 22px;
  padding: 0 15px;
  line-height: 36px;
  display: inline-block;
} */

article .NanJing p {
  margin-top: 30px;
}

article .NanJing .oneimg img {
  display: block;
  margin: 10px auto 0;
  width: 50%;
}

article .NanJing .twoimg img {
  width: 50%;
  padding: 10px 10%;
}

article .LZU {
  display: none;
  margin-top: 60px;
}

article .LZU .oneimg img {
  display: block;
  margin: 10px auto 0;
  width: 50%;
}

article .LZU p {
  margin-top: 30px;
}

article .LZU #f3-3 {
  width: 50%;
  margin: 20px 0 0 0;
  padding: 0 7vw 0 15px;
}

article .LZU #f3-1 {
  width: 50%;
  margin: 20px 0 0 0;
  padding: 0 15px 0 7vw;
}

article .LZU #f4-1 {
  width: 43%;
  margin: 0;
  padding: 0 15px 0 7vw;
}

article .LZU #f4-2 {
  margin: 0;
  width: 57%;
  padding: 0 7vw 0 15px;
}

article .LZU a {
  color: #0ba8d8;
}

article .LZU a:hover {
  text-decoration: underline;
}

article .LZU h4 {
  margin: 0 0 10px;
}

article .LZU .foot img {
  width: 34%;
  margin: 0 8%;
  vertical-align: middle;
}