body {
    background-color: #F4F9FF; 
    /*  渐变色
    background: linear-gradient(180deg, #ECF5FF 0%, #FFFFFF 100%); 
    */
}
.content {
   max-width: 2560px;
   margin: auto;
}

/* footer */
/* 底部居中 */
.footer {
   margin: auto;
   text-align: center;
   /* background-color: #3286FF; */
   background: url(https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/bottom.png?v=2) no-repeat center;
   background-size: cover;
   height: 300px;
   padding: 20px 0;
}
/* .footer-main { */
   /*background-color: #3286FF;
   padding: 6px 0;
   */
/* } */

.footer-img {
    /*background: url(../images/footer_icon)no-repeat center;*/
    background: url(https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/footer_icon.png?v=3)no-repeat center;
    background-size: cover;
    max-width: 240px;
    height: 12px;
    display: block;
    margin: 0 auto;
}
/* .copy-right { */
    /*margin-bottom: 64px;*/
/* } */
.bottom-download-content-img {
   display: inline-block;
}
.bottom-download-content-img-sm {
   display: none;
}
/* footer */

.bd-placeholder-img {
        font-size: 1.125rem;
        text-anchor: middle;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
      }

        .my-navbar-text {
            width: 11rem;
            height: auto;
            text-align: center;
        }

/* 分类中App区域  首页 */
.category-app {
    height: 274px;
    background-color: rgba(255,255,255,0);
    margin: 0 auto;
    border-radius: 8px;
}
.category-app:hover {
    background-color: #D9EAFF;

}
.category-app a:hover {text-decoration:underline ; color:white;} 
.category-app a:active {text-decoration:none ; color:white;}
.catetyry-app a { 
   text-decoration : none;
}
/* 第一个说明描述中追加的图片 */
.content-1-description-img{
   width:80%;
}

.content-block-1 {
   height: 24px;
   width: 100%;
}
.content-block-2 {
   height: 16px;
   width: 100%;

}
.content-block-bottom-1 {
   height: 90px;
   width: 100%;
}
.content-block-bottom-2 {
   height: 100px;
   width: 100%;
}


      /* 宽度大于768时 ,   少于768 就会展示菜单按钮 */
      @media (min-width: 768px) {

        .bd-placeholder-img-lg {
          font-size: 3.5rem;
        }

        /* 导航栏右边的图标 */
        .my-bar-icon {
          display: inline;
        }

         .bannercontext {
         display: block !important;
        }

        .bannercontext-small {
         display: none !important;
        } 

      }

      @media(min-width:2560px){
         .mybanner {
            
            background-size: 2560px 686px;
         }
         .footer {
            background-size: 2560px 300px;

         }
      }
      @media(max-width:2560px){
         .mybanner {
            
            background-size: 2560px 686px;
         }

         .footer {
            background-size: 2560px 300px;
         }
      }

      @media(max-width:2350px){
         .mybanner {
            
            background-size: 2400px 686px;
         }
         .footer {
            background-size: 2400px 300px;
         }
      }
      
      @media(max-width:2150px){
         .mybanner {
            
            background-size: 2200px 686px;
         }
         .footer {
            background-size: 2200px 300px;
         }
      }
      @media(max-width:2000px){
         .mybanner {
            
            background-size: 2000px 686px;
         }
         .footer {
            background-size: 2000px 300px;
         }

      }
      @media(max-width:1920px){
         .mybanner {
            background-position: 0px;
            background-size:cover;
         }
      }

      /* @media(max-width:1910px){
         .mybanner {
            background-position: -10px;
         }
      } */
      /* @media(max-width:1800px){
         .mybanner {
            background-position: -110px;
         }
      } */
      @media(max-width:1700px){
         .mybanner {
            background-position: -190px;
         }
      }
      @media(max-width:1620px){
         .mybanner {
            background-position: -240px;
         }
      }
      @media(max-width:1580px){
         .mybanner {
            background-position: -290px;
         }
      }
      @media(max-width:1510px){
         .mybanner {
            background-position: -300px;
         }
      }
      @media(max-width:1500px){
         .mybanner {
            background-position: -320px;
         }
      }
      @media(max-width:1480px){
         .mybanner {
            background-position: -330px;
         }
      }
      /* 适配过于麻烦，大部分人眼测距，有更好的方式就换了吧= =！ */
      @media screen and (max-width:1440px){
         .mybanner {
            background-position: -360px;
         }
         
      }
      @media(max-width:1366px){
         .mybanner {
            background-position: -400px;
         }
      }
      @media(max-width:1280px){ 

         .mybanner {
            background-position: -420px;
         }
        .appbanner {
            min-height:686px;
        }
         .appbanner-button {
            margin: 0 13px;
         }
      }

        @media(max-width: 1279px) {

         .my-slick-container {
            max-width: 860px;
         }
        }

        @media(max-width: 1230px) {

         .mybanner {
            background-position: -440px;
         }
         
        }

      @media (max-width: 1200px) {
         .mybanner {
            background-position: -470px;
         }
         .appbanner-button-area {
            padding-top: 326px;  
         }
         .appbanner {
            min-height: 530px;
         }

         .one-category {
            height:330px;
         }

         /* 单个App logo */
         .category-app-logo {
            width:168px;
         }
         .category-app-logo img{
            width:168px;
            height: auto;
            margin: 0 auto;
         }
         .category-app {
            height: 254px;
         }
      }

      @media (max-width: 1024px) {
        .my-navbar-text {
            width: auto;
            text-align: left;
        }

        .appbanner {
            width: 100%;
            min-height: 500px;
        }

         .appbanner-button {

            /*margin: 0 20px;*/
            margin: 0 12px;
         }
         .appbanner-button img {
            height: 64px;    
         }

         .appbanner-button-area {
            padding-top: 320px; 
         }

        /* 分类中App区域 */
        .category-app {
            height: 190px;
        }

         /* 单个App logo */
         .category-app-logo img{
            width:100px;
            height: auto;
            margin: 0 auto;
         }
         .category-app-logo {
            width:100px;
         }
         /* 单个App logo */

         .my-slick-container {
            max-width: 800px;
         }
         /* 轮播图片 */
         .my-slick-img img {
            width:100%;
            height:auto;
            
         }

         .one-category {
            height: 240px; 

         }
         .content-1 {
            height: 340px;
         }
         .bottom-download-content {
            margin-top: 10px;
         }

      }

      @media (max-width: 992px) {
         .appbanner {
            min-height: 404px;
         }
         .appbanner-img {
            width:95.6%;
         }

         .appbanner-button-area {
            padding-top: 224px;
         }

         .my-slick-container {
            max-width: 720px;
         }
         .bottom-download-content {
            margin-top: 20px;
         }
         .content-1 {
            height: 380px;
         }

      }


      @media (max-width: 820px) {
         .content-1{
            /* height: 280px; */
            height: 440px;
         }
      }
        

      /* 宽度小于768时 */
      @media (max-width: 767px) {
         .footer {
            height:300px;
            background-position-y: 100px;
         }
         .content-block-bottom-1 {
            height: 160px;
         }
         .content-block-bottom-2 {
            height: 40px;
         }

         .content-1-description-img{
            display:none;
         }
         /* 移动到尺寸时，去掉指定的左边距 */
         .content-img-1{
            margin-left:0px !important;
         }

         .content-block-1 {
            height: 0px;
         }
         .content-block-2 {
            height: 0px; 
         }

         .my-btn-nopadding {
            margin-top: 30px;
         }
         .btn-content {
            display: none;
         }
         
         .bottom-download-content-img-sm {
            display: inline-block;
         }
         .bottom-download-content-img {
            display: none;
         }
         .my-category-list-area {
            text-align: center;
         }

         body {
            font-size: 12px;
         }
         .h1,h1 {
            font-size: 1.5rem;
         }
         .h2,h2 {
            font-size: 1rem;
         }
         .bottom-text a {
            font-size: 12px;
         }
         .h6,h6 {
            font-size: 1.1rem;
            font-weight: 300;
         }
         .bannername {
            font-size: 1.8rem;
            margin: 0;
            font-weight: bolder;
         }
   
        /* 导航栏右边的图标 */
        .my-bar-icon {
          display: none;
        }

        .my-navbar-text {
            text-align: left;
        }
        
         .bannercontext {
         display: none !important;
        }

        .bannercontext-small {
         display: block !important;
        }
        
         .appbanner {
            min-height: 248px;
            padding-bottom: 0px;
         }

         .appbanner-button {
            margin: 0 12px;
         }
         .appbanner-button img {
            height: 45px;    
         }

         .appbanner-button-area {
            padding-top: 170px; 
            padding-left: 80px;
         }

         /* 单个App logo */
         .category-app-logo img{
            width:100px;
            height: auto;
            margin: 0 auto;
         }
         .category-app-logo {
            width:100px;
         }
         /* 单个App logo */


         /* 轮播图片 */
         .my-slick-img img {
            width:100%;
            height:auto;
            
         }
         .my-slick-img {
            width:94%;
         }
         /* app 详情页用到 */
         .category-area-row {
            width:95%;
         }

         /* banner */
         .mybanner {

              /*background: url(../images/banner-sm)no-repeat center;*/
              background: url(https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/banner-sm.png?v=5);
              background-size: cover;
              background-repeat: repeat-x;
              background-position: center bottom;
              /* min-height: 300px; */
              /*min-height: 224px;*/
              /* min-height: 730px; */
              min-height: 770px;


              border-radius: 0rem;
              /*
              margin-bottom: 4.875rem;
              */
              margin-bottom: 20px; /* 底部和分类的距离 */
              padding-top: 50px; /* 出去顶部导航栏的高度 */
         }
         .mybanner-en {

              /*background: url(../images/banner-sm)no-repeat center;*/
              background: url(https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/banner-sm-en.png?v=5);
              background-size: cover;
              background-repeat: repeat-x;
              background-position: center bottom;
         }
         /*
         .my-logo-icon img{
            height: 23px;
            margin-top: 13.5px;
            margin-bottom: 13.5px;
         }
         */

         /* 分类的App的单个区域 */
         .my-col {
            width: 47%;
            margin-right: 3%;

                   
         }
         .one-category {
            /* height: 500px;  */
            height: 420px; 

         }
         
         /* 产品详情页的banner */
         .appbanner {
              margin-bottom: 30px;
         }

         .appbanner-img {
            width: 94.4%;
         }
         /* 产品详情页的轮播图区域 */
         .my-slick-container {
            margin-top:10px;
            margin-bottom:0px;
         }
         .my-slick-container2 {
            margin-top:10px;
            margin-bottom:0px;
         }
          .my-slick-container {

            max-width: 540px;
         }

          .category-area-row {
             max-width: 510px;
          }
         .my-navbar-container {
            display:none;
          }
          .bottom-download-content {
            margin-top: -50px;
          }
          /* 右上角的语言切换按钮 */
          .custom-select {
            width:80px;
            /* margin-left:80%; */
            margin-top:-40px;
            /* margin-left:0; */
            margin-right: -50%;
          }

      }

      @media (max-width:640px) {

         .appbanner-button {
            margin: 0 10px;
         }
         .appbanner-button img {
            height: 45px;
         }
         .appbanner-button-area {
            padding-left: 80px;
         }


        .category-app {
            height: 170px;
        }

         /* 单个App logo */
         .category-app-logo img{
            width: 80px;
            height: auto;
            margin: 0 auto;
         }
         .category-app-logo {
            width: 80px;
         }
         /* 单个App logo */

         .mybanner {
            min-height: 720px;
         }
         .bottom-download-content {
            margin-bottom: 30px;
         }
         .my-btn-nopadding {
            margin-top:15px;
         }

      }

      @media (max-width: 576px) {
         .one-category {
            height: 370px;
            margin-top: 40px;
            margin-bottom: 60px;
         }

        .category-app {
            margin: 0px;
        }

         .appbanner-button-area {
            padding-top: 176px; 
            padding-left: 80px;
         }
        
      }

      @media (max-width: 570px) {
        .category-app {
            margin: 0px; 
        }
        .appbanner-img {
            width: 100%;
        }

        .appbanner {
            padding-left: 0px;
        }

         .appbanner-button-area {
            padding-left:78px;
         }
         .mybanner {
            min-height: 660px;
         }

         .content-text-1 {
            padding-bottom: 0px!important;
         }
         .content-text-2 {
            margin-bottom: 0px!important;
         }
        
      }
      @media (max-width: 546px) {
        .category-app {
            margin: 0px;
        }
        
      }

      @media (max-width:480px) {

          .bottom-download-content {
            margin-top: -40px;
          }
         .appbanner {
            min-height: 232px;
         }

         .appbanner-button {
            margin: 0 6px;
         }
         .appbanner-button img {
            height: 38px;
         }

         .appbanner-button-area {
            padding-top:160px;
            padding-left: 78px;
         }

        .category-app {
            height: 170px;
        }

         /* 单个App logo */
         .category-app-logo img{
            width: 80px;
            height: auto;
            margin: 0 auto;
         }
         .category-app-logo {
            width: 80px;
         }

         /* 首页App的名字 */
         .category-app-name {
            font-size: 12px;
         }
         .my-category-text {
              font-size:14px;
         }
         .one-category {
            /* height: 330px;  */
            /* height: 280px;  */
            margin-bottom: 40px;

         }
         .my-btn-nopadding {
            margin-top: 20px;
         }
         /* 底部图片按钮 202210261817 */
         /* .btn-img-bottom {
            width:128px;
            height:32px;
         }  */

         /* 底部图片按钮 */
         
      }
      @media (max-width:458px) { 
          .appbanner-img {
              display:none;
          }
          /*.appbanner {*/
              /* 改为等高的图片 */
              /*background: url("assets/app_images/3D launcher/0")repeat-x;*/
          /*
              background-size: cover;
              height: 224px;
          }
          */
         .mybanner {
            /* min-height: 620px; */
            min-height: 630px;
         }
      }

      @media (max-width:430px) { 
          .bottom-download-content {
            margin-top: 0px;
            margin-bottom: 20px;
          }
         .appbanner {
            min-height: 208px;
         } 

         .my-btn-nopadding {
            margin-top: 10px;
         }
         .one-category {
            margin-bottom: 10px;
         }
      }

      @media (max-width:400px) { 
         .appbanner {
            min-height: 190px;
         }
         .mybanner {
            min-height: 650px;
         }
         .content-1 {
            height: 400px;
         }
      }
      @media (max-width:360px) { 

         .my-btn-nopadding {
            margin-top: 20px;
         }
          .bottom-download-content {
            
            margin-bottom: 30px;
          }

         .my-category-list-area {
            margin: 0, 20px;
         }

         .category-app {
            height: 170px;
         }
         
         .one-category {
            height: 360px;
            margin-top: 40px;
         }
         .content-1 {
            height: 400px;
         }
         .appbanner {
            min-height: 170px;
         } 

         .mybanner {
            min-height: 700px;
         }
      }

      @media (max-width:320px) {
         
         .appbanner {
            min-height: 150px;
         }
         .appbanner-button {

            margin: 0 5px;
         }
         .appbanner-button img {
            height: 35px;
         }
        .category-app {
            height: 140px;
         }
         .content-1 {
            height: 500px;
         }

         /* 单个App logo */
         .category-app-logo img{
            width: 60px;
            height: auto;
            margin: 0 auto;
         }
         .category-app-logo {
            width: 60px;
         }
         /* 单个App logo */

      }

      @media (max-width:290px) {
         .appbanner {
            min-height: 130px;
         }
         .appbanner-button {

            margin: 0 4px;
         }
         .appbanner-button img {
            height: 33px;
         }

         .appbanner-button-area {
             padding-top: 160px; 

             padding-left: 72px;
         }

         /* 单个App logo */
         .category-app-logo img{
            width: 56px;
            height: auto;
            margin: 0 auto;
         }
         .category-app-logo {
            width: 56px;
         }
         /* 单个App logo */

      }

      @media (max-width:260px) {
         .content-1 {
            height: 510px;
         }
      }

      /* @media (max-width:220px) { */
      @media (max-width:230px) {
           .my-col {
                width: 100%;
           }

           .one-category {
               height: 300px;

           }
           .content-1 {
            height: 430px;
           }
           .content-2 {
            height: 370px;
           }

           /*
            .my-logo-icon img {
                width: 100%;
                height: auto;
                display:none;
            }
            */
            /*
            .my-logo-icon {
                width:46px;
                height:30px;
                background: url("../images/logo_icon") repeat-x;
                background-size:cover;
            }
            */
          body {
            min-width:192px;
          }

         .h1,h1 {
            font-size: 0.8rem;
         }
         .h2,h2 {
            font-size: 0.5rem;
         }
         .bottom-text a {
            font-size: 12px;
         }
         .h6,h6 {
            font-size: 0.3rem;
         }
         .bannername {
            font-size: 1.2rem;
            margin: 0;
         }
         .bottom-download-content {
            margin-top: 20px;
         }
         /* 按钮图片 */
         .btn-img {
            /* width:128px; */
            width:160px;
            height:40px;
         }
         .btn-img-win {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/windows.png?v=7"); 
            background-size: 131px 40px;
            background-position: center center;
            width:131px;
         }
         .btn-img-win:hover {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/windows.press.png?v=7");  
            background-size: 131px 40px;
            background-position: center center;
            width:131px;
         }
         .btn-img-win-en {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/windows-en.png?v=7"); 
            width:160px;
            background-size: 160px 40px;
            background-position: center center;
           
         }
         .btn-img-win-en:hover {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/windows.press-en.png?v=7");  
            width:160px;
            background-size: 160px 40px;
            background-position: center center;
         }

         .btn-img-android {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/Android.png?v=7"); 
            background-size: 131px 40px;
            background-position: center center; 
         }
         .btn-img-android:hover {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/Android.press.png?v=7");  
            background-size: 131px 40px;
            background-position: center center;
           
         }
         .btn-img-android-en {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/Android-en.png?v=7"); 
            width:160px;
            background-size: 160px 40px;
            background-position: center center;
           
         }
         
         .btn-img-android-en:hover {
            background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/Android.press-en.png?v=7");  
            width:160px;
            background-size: 160px 40px;
            background-position: center center;
         }
         /* 按钮图片 */
         .mybanner {
            min-height: 520px;
         }
      }

      @media (max-width:200px) {
         .content-2 {
            height: 420px;
         }
      }