.container {
    max-width: 1920px;
    margin: auto;
  }
  .container-content {
    margin: auto;
  }
  @media screen and (min-width: 750px) {
    .container-content {
      max-width:1200px;
    }
  }
  @media screen and (max-width: 750px) {
    .container-content {
      max-width:750px;
    }
  }
/*
-------------------------------
  header component
-------------------------------
 */
  .clearfix:after{
    content: '';
    display: block;
    clear: both;
  }
  header{
    background-color:#fff;
  }
  .header-content{
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    padding-top: 24px;
    padding-bottom: 23px;
  }
  header .logo{
    flex:1;
    width: 368px;
    height: 53px;
  }
  header .logo img{
    width: 100%;
    height: 100%;
  }
  header .header-fr{
    flex:2;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 9px;
  }
  .search{
    display: flex;
    align-items: center;
    width: 330px;
    height:34px;
    margin-right: 10px;
    border:1px solid rgba(242,243,245,1);
    background-color:rgba(255,255,255,1);
    border-radius:4px;
  }
  .search input{
    width: 260px;
    height: 17px;
    margin: 0 26px 0 13px;
    font-size: 16px;
    border: none;
    outline: none;
  }
  .search input::-webkit-input-placeholder{
    font-size: 16px;
    color: #9B9B9B;
  }
  .search select{
    height: 26px;
    padding-left: 5px;
    border:1px solid rgba(220,220,220,1);
    font-size: 16px;
    color:#3F3F3F;
    border-radius:4px;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
  }
  .search-btn{
    display: flex;
    align-items: center;
    justify-content: center;
    width:26px;
    height:26px;
    margin-right: 4px;
    margin-left: 4px;
    line-height: 26px;
    text-align: center;
    background-color:rgba(74,140,207,1);
    border-radius:4px;
    cursor: pointer;
  }
  .search .search-icon{
    width: 16px;
    height:16px;
  }
  .language{
    display: flex;
    align-items: center;
    float: right;
    width:128px;
    height:34px;
    padding-left: 4px;
    padding-right: 4px;
    background-color:rgba(242,243,245,1);
    border-radius:17px;
  }
  .language span{
    display: block;
    width:60px;
    height:26px;
    line-height: 26px;
    font-size: 14px;
    text-align: center;
    color: #555;
    border-radius:12px;
    cursor:pointer;
  }

  .language span.language--active{
    color: #fff;
    background-color:rgba(145,145,145,1);
  }

/*
-----------------------------------
  nav component
-----------------------------------
 */
  nav {
      background-image:url("../images/common/nav.jpg");
      background-repeat:no-repeat;
      background-size:100% 100%;
  }
  .nav-list li{
    position: relative;
    float: left;
    height: 50px;
    padding: 0 41px;
    line-height: 50px;
  }
  .nav-list li:before{
    content: '';
    position: absolute;
    left: 0;
    top: 17px;
    width: 2px;
    height: 16px;
    background-color: #82C0FF;
    transform: skewX(-30deg);
  }
  .nav-list li:last-child:after{
    content: '';
    position: absolute;
    right: 0;
    top: 17px;
    width: 2px;
    height: 16px;
    background-color: #82C0FF;
    transform: skewX(-30deg);
  }
  .nav-list li a{
    display: block;
    font-size: 20px;
    color: #fff;
    text-decoration: none;
  }
  .nav-list li a:hover{
    text-decoration: underline;
  }
/*
------------------------------------
  footer component
------------------------------------
 */
  .footer-nav {
    overflow: hidden;
    height: 212px;
    font-size: 18px;
    color: #fff;
    background-image:url("../images/common/footer.jpg");
    background-repeat:no-repeat;
    background-size:100% 100%;
  }
  .footer-nav ul {
    display: flex;
    justify-content: space-between;
    margin-top: 39px;
  }
  .footer-nav ul li.nav-item{
    display: flex;
    justify-content: space-between;
  }
  .footer-nav ul li.nav-item p:first-child{
    margin-right: 40px;
  }
  .footer-nav ul li.nav-item a{
    display: block;
    margin-bottom: 20px;
    color: #fff;
    text-decoration: none;
  }
  .footer-nav ul li.nav-item a:hover{
    text-decoration: underline;
  }
  .footer-nav ul li label{
    display: block;
    margin-bottom: 26px;
    font-weight: bold;
  }
  .footer-nav ul li label ~ p{
    margin-bottom: 15px;
  }
  .footer-nav ul li.last-ele img{
    vertical-align: middle;
  }
  .footer-nav ul li.last-ele p{
    height: 33px;
    font-size: 16px;
    line-height: 33px;
    text-align: center;
    border: 1px solid #fff;
    border-top: none;
    border-radius: 0 0 8px 8px;
  }
  footer .address{
    height: 50px;
    line-height: 50px;
    font-size: 14px;
    text-align: center;
    color: #3D3D3D;
  }
/*
---------------------------
  aside component
---------------------------
 */
  .main{
    padding-top: 20px;
    padding-bottom: 39px;
    min-height: calc(100vh - 412px);
  }
  .main aside{
    float: left;
    width: 300px;
    margin-right: 50px;
  }
  .main aside .page-route{
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 160px;
    padding-left: 26px;
    margin-bottom: 10px;
    color: #fff;
    background-image:url("../images/common/menu-bg.jpg");
    background-repeat:no-repeat;
    background-size:100% 100%;
  }
  .main aside .page-route h3{
    margin-bottom: 10px;
    font-size: 25px;
  }
  .main aside .page-route p{
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .main aside menu{
    width:298px;
    border-left: 1px solid #DFDFDF;
    border-right: 1px solid #DFDFDF;
    border-bottom:1px solid #DFDFDF;
  }
  .main aside menu  ul  li{
    background-color:#f5f5f5;
    position: relative;
  }
  .main aside menu  ul  li a{
      display: block;
      padding-left:26px;
      text-decoration: none;
      line-height: 60px;
      color: #666;
      font-size: 16px;
      border-top:1px solid #DFDFDF;
  }
  .main aside menu  ul  li a.right-icon{
    background-image:url("../images/common/arrow-icon.png");
    background-repeat: no-repeat;
    background-position: 96% center;
  }
  .main aside menu ul li.menu--active > a.right-icon{
    background-image:url("../images/common/active-icon.png");
    background-repeat: no-repeat;
    background-position: 96% center;
  }
  .main aside menu ul li.menu--active > a{
      background-color: #39baf1;
      color: #fff;
  }

  .main aside menu li.level_2--active > a {
      background-color: #e0e0e0;
      font-weight: bold;
      color:#333;
  }
  .main aside menu li.level_3--active > a {
      background-color:#f5f5f5;
  }
  .main aside menu .last-menu li a{
    position: relative;
    text-indent:20px;
    color:#999;
  }
  .main aside menu .last-menu li a:before{
    content: '';
    position: absolute;
    top:25px;
    left:36px;
    width:0;
    height:0;
    border-top: 5px solid transparent;
    border-bottom:5px solid transparent;
    border-left:5px solid #999;
  }
  .main aside menu .last-menu li.menu--active a:before{
    border-left:5px solid #fff;
  }
  .main > section.main-content{
    float: left;
    width: calc(100% - 350px);
  }
  .main > section.main-content > h2 {
    padding-bottom: 15px;
    font-size: 34px;
    border-bottom: 1px solid #e2e2e2;
    font-weight: bold;
    color: #777;
  }
  /*
  ---------------------------------
    mask-layer component
  ---------------------------------
   */
  .mask-layer{
    display:flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    z-index: -1;
    color: #fff;
    opacity: 0;
    background-color: rgba(0,0,0,.5);
  }
  .mask-layer.mask-layer-show{
    z-index: 3333;
    opacity: 1;
    transition: 1s;
  }
  .mask-layer .scale-image{
    position: relative;
    /*transform: scale(2)*/
  }
  .mask-layer .scale-image .close-icon{
    position: absolute;
    right:-40px;
    top: 0;
    width:40px;
    height: 40px;
    cursor: pointer;
    transform: scale(1);
  }
  .mask-layer .scale-image p{
    text-align: center;
    line-height: 30px;
  }