@font-face {
  font-family: 'source';
  src: url('../font/SourceHanSansCN-Regular.ttf');
  src: url('../font/SourceHanSansCN-Regular.ttf') format('truetype'),
    url('../font/SourceHanSansCN-Regular.woff') format('woff'),
    url('../font/SourceHanSansCN-Regular_1.svg') format('svg');
}


.header{
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  background-color: #fff;
}
.logo{
  display: inline-block;
  width: 118px;
  height: 55px;
  margin-top: 18px;
}

.menu {
  height: 90px;
}

.menu li {
  display: inline-block;
  padding: 0 18px;
  
}

.menu li a {
  display: block;
  height: 90px;
  line-height: 90px;
  padding: 0 12px;
  cursor: pointer;
  color: #333;
  position: relative;
}
.menu li a:hover{
  color: #27aede;
}
.menu li a::after{
  display: none;
  content: '';
  width: 100%;
  padding: 0 18px;
  position: absolute;
  height: 1px;
  left: 50%;
  transform: translateX(-50%); 
  bottom: 1px;
  background-color: #27aede;
}
.menu li a:hover::after{
  display: block;
}
.main-panel-title1{
  font-size: 66px;
  color: #5fc0e7;
  margin-bottom: 29px;
}
.main-panel-title2{
  position: absolute;
  top: 216px;
  left: 50px;
  font-size: 39px;
  color: #fff;
}
.main-panel{
  background: url('../image/main_panel.jpg') no-repeat;
  background-size: 100% 100%;
  height: 500px;
}
.main-panel-content{
  width: 1200px;
  margin: 0 auto;
  padding-top: 169px;
  position: relative;
}
.page2{
  width: 1200px;
  margin: 0 auto;
}
.product-nav{
  display: flex;
  justify-content: flex-start;
  background-color: #fff;
  position: relative;
  top: -46px;
  box-shadow: 0 10px 5px -5px #f6f6f6;
}
.product-nav-item{
  width: calc(25% - 1px);
  height: 151px;
  border-right: 1px solid #e8ebed;
  text-align: center;
  cursor: pointer;
}
.product-nav-item .product-navitem-content{
  height: 100%;
}
.product-nav-item img{
  display: inline-block;
  height: 42px;
  margin: 41px 0 17px;
  z-index: 2;
}

.product-nav-item-title{
  font-size: 18px;
  color: #333;
  margin-bottom: 34px;
  z-index: 2;
}
.product-nav-item-action{
  position: relative;
}
.product-nav-item-action img{
  margin: 49px 0 23px;
}
.product-nav-item-action .product-navitem-content{
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 178px;
  background: url('../image/product_nav_bg1.png') no-repeat;
  background-size: 100% 100%;
}
.product-nav-item-action .product-nav-item-title{
  color: #fff;
}
.product-container{
  display: flex;
  justify-content: flex-start;
}
.product-menu-title1{
  font-size: 16px;
  color: #01a8ce;
  margin: 12px 0 10px;
}
.product-menu-title2{
  font-size: 12px;
  color: #01a8ce;
  margin-bottom: 19px;
}
.product-menu-item{
  width: 198px;
  height: 54px;
  color: #333;
  font-size: 14px;
  text-align: center;
  line-height: 54px;
  border-bottom: 1px solid #ececec;
  cursor: pointer;
}
.product-menu-item-action{
  background-color: #2dbde5;
  color: #fff;
}


















::-webkit-scrollbar {
  display: block !important;
  
  width: 8px; 
  height: 8px;
}
 
::-webkit-scrollbar-thumb {
  
  border-radius: 10px;
  
  background: #d3d3d3;
}
 
::-webkit-scrollbar-track {
  
  border-radius: 10px;
  background: #ededed;
}