* {
  padding: 0;
  margin: 0;
}
body {
  font: 14px/2 "Noto Sans SC","Source Han Sans CN","SourceHanSansCNRegular","Microsoft Yahei","微软雅黑","微软正黑体","Microsoft JhengHei","SimHei","黑体",Arial,Helvetica,sans-serif;
  color: #333;
}
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
}
.clearfix:after {
  content: '';
  display: block;
  clear: both;
}
.left {
  float: left;
}
.right {
  float: right;
}
.main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #143e4e;
  height: 100%;
}
.page-box {
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
  min-height: calc(100vh - 1.35rem - 152px);
  box-sizing: border-box;
  background: #fff;
  text-align: justify;
}
.container-box {
  width: 16rem;
  margin: 0 auto;
  max-width: 90%;
}
body {
  padding-top: 1.35rem;
  background: #143e4e;
}
.header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 999;
  background: #143e4e;
  height: 1.35rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .15);
}
.header::before {
  content: '';
  width: 50%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: #fff;
  z-index: -1;
}
.header .logo-box {
  display: flex;
  align-items: center;
  height: 100%;
  background: #fff;
  position: relative;
}
.header .logo-box > img {
  position: absolute;
  top: 0;
  left: 100%;
  height: 1.35rem;
}
.header .logo {
  display: flex;
  align-items: center;
}
.header .logo img {
  width: 0.7rem;
}
.header .nav {
  display: flex;
}
.header .nav > li + li {
  margin-left: 0.6rem;
}
.header .nav > li {
  position: relative;
}
.header .nav > li:hover > .subnav {
  transform: none;
  opacity: 1;
  visibility: visible;
}
.header .nav > li:hover .nav-text {
  text-decoration: underline;
}
.header .nav > li > a {
  height: 1.35rem;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  font-size: 0.2rem;
  line-height: 1;
}
.header .nav > li > a > img {
  width: 0.8rem;
  margin-bottom: 0.1rem;
}
.subnav {
  transform: translateY(10px);
  opacity: 0;
  visibility: hidden;
  transition: 300ms;
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -0.93rem;
  width: 1.86rem;
  background: #3c5f6c;
  padding: 0.25rem 0;
}
.subnav > li > a {
  display: block;
  color: #eaf8ee;
  font-size: 0.18rem;
  text-align: center;
  line-height: 0.2rem;
  padding: 0.1rem;
}
.subnav > li > a:hover {
  text-decoration: underline;
}
.page-title {
  text-align: center;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
}
.page-text + .page-text {
  margin-top: 10px;
}
.page-img100 {
  text-align: center;
}
.page-img100 img{
  margin: 0 2px;
  max-width: 48%;
  vertical-align: top;
}
.page-img {
  text-align: center;
}
.page-img img {
  margin: 0 2px;
  max-width: 48%;
  vertical-align: top;
}
.page-img100 + .page-img,
.page-img + .page-img {
  margin-top: 5px;
}
.page-dot {
  display: inline-block;
  vertical-align: middle;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #333;
  margin-right: 15px;
}

.scroll-nav {
  position: fixed;
  top: 2.15rem;
  z-index: 99;
  left: 50%;
  margin-left: -8rem;
}

.scroll-nav a {
  cursor: pointer;
  line-height: 2.5;
  color: #333;
}

.scroll-content {
  padding-left: 300px;
}