.content-box {
  margin-top: 16px;
}
.row-box>div.left-box1 {
  width: 200px;
  background-color: #fff;
  margin-bottom: 16px;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  overflow: hidden;
}

.row-box>div.right-box1 {
  width: 880px;
  min-height: 705px;
  margin-bottom: 16px;
  padding: 16px;
  box-sizing: border-box;
  background-color: #fff;
  border-top-left-radius: 0;
}

.left-box1 .tab-nav {
  position: relative;
  height: 65px;
  border-bottom: 1px solid #E8E8E8;
  box-sizing: border-box;
  border-right: 1px solid #E8E8E8;
}
.tab-nav .active::before {
  height: 64px;
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  border-left:4px solid  #0089FF;
}
.tab-nav a {
  display: block;
  color: #323232;
  padding: 24px 24px 16px 24px;
  font-size: 18px;
  line-height: 24px;
  text-decoration: none;
}
.tab-nav .active {
  color: #0089ff;
}
/* 关于我们 */ 
.about p {
  line-height: 1.3;
}

.about h2{
    font-size: 22px;
    padding: 40px 0 0 0;
    margin: 0 0 16px 0;
}

.about h3{
    font-size: 17px;
    padding: 20px 0 0 0;
    margin: 0 0 16px 0;
}

.about .preview>div{
    margin-right: 16px;
}

.about .preview img{
    display: block;
    width: 180px;
    height: auto;
}

.about p+p{
    margin-top: 4px;
}

/* 加入我们 */ 
.join-us p {
    line-height: 1.3;
}

/* 免责声明 */
.disclaimer p {
    line-height: 1.3;
}
/* 隐私政策 */
.conceal p {
    line-height: 1.3;
}