.navbar-nav {
  margin: auto;
}

/* banner 图片 */
.mybanner {
  /*background: url(../images/banner.png)no-repeat center;*/
  background: url(https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/banner.png?v=5);
  background-size: cover;
  /* min-height: 600px; */
  min-height: 686px;

  border-radius: 0rem;
  /*
  margin-bottom: 4.875rem;
  */
  margin-bottom: 78px;
  /*padding-top: 80px;*/

  background-repeat: repeat-x;
  background-position: center center;
  background-size: cover;
}
.mybanner-en {
  /*background: url(../images/banner.png)no-repeat center;*/
  background: url(https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/banner-en.png?v=5);
  background-size: cover;
  /* min-height: 600px; */
  min-height: 686px;

  border-radius: 0rem;
  /*
  margin-bottom: 4.875rem;
  */
  margin-bottom: 78px;
  /*padding-top: 80px;*/

  background-repeat: repeat-x;
  background-position: center center;
  background-size: cover;
}
.my-logo-icon {
  padding-bottom: 120px;
}



.category-area {
    display: inline-block;
}


.category-app-area {
    margin-bottom: 68px;
}


/* 分类中App区域间的间距 */

/* 分类的每个App区域 */

.my-category-list-area {
     width: 90%;
     margin: 0 auto;
     max-width: 1200px;
}

.one-category {

 height: 378px;

  /*display:inline-block;*/
width:100%;
margin: 120px 0;

}

.my-navbar-container {
    /*max-width: 1200px;*/
  width: 100%;
  display: flex; 
  justify-content: space-between;
  padding-left: 18px;
  margin: 0 auto;
}
/* 顶部区域白色 */
.my-navbar {
  /*background-color: #fff;*/
  /*position: fixed;*/
  position: absolute;
  width: 100%;
  z-index: 1;
  padding-top: 0px;
  padding-bottom: 0px;
  display: flex;
  justify-content: center;
  max-width: 2560px;
  
}

.header-btn {
    margin:auto 0;
}

.inline-block {
    display: inline-block;
    vertical-align: bottom;
}

.my-btn {
  color: rgb(30, 122, 255);
  font-weight: bold;
}

.my-banner-btn-border {
  /*
  color: rgb(30, 122, 255);
  font-weight: bold;
  */
  margin: 5px 0;
}

.bannercontext {
  max-width:1200px;
  margin: 0 auto;
  color: white;
  padding-left:20px;
}

.btn-img {
  width:180px;
  height:55px;
}

.btn-img-win {
 background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/windows.png?v=6"); 
 background-size: 180px 55px;
 background-position: center center;
}
.btn-img-android {
 background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/Android.png?v=6"); 
 background-size: 180px 55px;
 background-position: center center;

}
.btn-img-win:hover {
 background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/windows.press.png?v=6");  
 background-size: 180px 55px;
 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=6");  
 background-size: 180px 55px;
 background-position: center center;

}
/* en */
.btn-img-win-en {
 background: url("https://newedu.oss-us-west-1.aliyuncs.com/niceanki/assets/images/windows-en.png?v=6"); 
 width:220px;
 background-size: 220px 55px;
 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=6"); 
 width:220px;
 background-size: 220px 55px;
 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=6");  
 width:220px;
 background-size: 220px 55px;
 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=6");  
 width:220px;
 background-size: 220px 55px;
 background-position: center center;
}
/* en */


.bannercontext h1 {
  font-weight: bolder;
  
  font-size: 70px;
}

.bannercontext-small {
  max-width:88.88%;
  margin: auto;
  color: white;
  display: none;
  text-align: center;
}

/* 取消掉padding bootstrap的按钮边框也取消掉 */
.my-btn-nopadding {
  padding:0px;
  margin-top: 40px;
  border: 0px;
}


.content-img {
  width: 100%;
  border-radius: 30px;
}
/* 单独指定偏移 */
.content-img-1 {
  margin-left:20px;
}

.bottom-download-content {
  text-align: center; 
  margin-bottom: 60px;
  margin-top: -80px;
}