.layui-form-item .layui-inline {margin-right: 0;}
.layui-form-checkbox[lay-skin=primary] span{color: #000;}
.footer{
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    line-height: 20px;
    padding: 10px;
    background-color: #eee;
    color: #666;
}
.layui-badge {
    padding: 2px 6px;
    font-size: 16px;
}
.layui-layout-admin .layui-footer{
    color: #666;
}
.layui-nav-img {
    width: 40px;
    height: 40px;
}
.layui-logo-img{
    max-width: 300px;
    max-height: 50px;
}
.layui-layer-dialog .layui-layer-content{
    font-size: 16px;
    font-size: 16px!important;
}
.quest-stem-content img{
    max-width: 100%;
    max-height: 500px;
}
.quest-option-content img{
    max-width: 100%;
    max-height: 500px;
}
.quest-answer-content{
    clear: both;
    display: block;
}
.quest-answer-content img{
    max-width: 100%;
    max-height: 500px;
}
.home-main-box{
    width: 99%;
    margin: 0 auto;
    margin-top: 20px;
}
.home-main-gray{
    background-color:#f2f2f2;
}
.home-waitingtips-box{
    display: none; 
    text-align: center;
    margin-top: 20px;
}
.home-pagelink-box{
    text-align: center;
    margin-top: 20px;
}
.a_blue{color: #007aff; text-decoration: none; cursor: pointer;}
.a_blue_underline{color: #007aff; text-decoration: underline; cursor: pointer;}
.a_blue:hover{color: #007aff;}
.a_blue_underline:hover{color: #007aff;}
.exam_answer_card{padding-top: 15px; padding-left: 10px; padding-right: 15px;}
.exam_answer_card li{float: left; width: 40px; height: 40px; text-align: center; line-height: 40px;}
.exam_answer_card li a{display:inline-block; width: 30px; height: 30px; border: 1px solid #aaa; text-align: center; line-height: 30px;}
.layui-layout-admin .layui-body{bottom: 0;}

.article_title{margin: 20px auto; text-align: center;}
.article_infos{padding-left: 20px;}
.article_infos p{margin: 10px 0;}
.article_content{margin: 0 auto; min-height: 400px;}
.article_author{text-align: center; margin-bottom: 10px;}
.article_content{margin: 0 auto; min-height: 400px;}
.article_content img{max-width: 100%; text-align: center;}
.article_content video{
    width: 100%;
    text-align: center;
    display: block;
    margin: 10px auto;
}
.article_content audio{
    width: 100%;
    height: 50px;
    text-align: center;
    display: block;
    margin: 10px auto;
}

.mod-sub-h2-icon{
  display: inline-block;
  width: 5px;
  height: 40px;
  background-color: #005EB8;
  margin-bottom: -10px;
}

.yuedu-stem-content{
    width: 100%; 
    max-height: 250px; 
    overflow-y: scroll;
}
.yuedu-stem-content::-webkit-scrollbar{
    width:3px;
    height:3px;
    background-color: #61B6EB;
}
.yuedu-stem-content::-webkit-scrollbar-track{
    background: #ccc;
    border-radius:2px;
}
.yuedu-stem-content::-webkit-scrollbar-thumb{
    background: #61B6EB;
    border-radius:2px;
}
.yuedu-stem-content::-webkit-scrollbar-thumb:hover{
    background: #61B6EB;
}
.yuedu-stem-content::-webkit-scrollbar-corner{
    background: #61B6EB;
}

.yuedu-little-content{
    width: 100%; 
    max-height: 450px; 
    overflow-y: scroll;
}
.yuedu-little-content::-webkit-scrollbar{
    width:3px;
    height:3px;
    background-color: #61B6EB;
}
.yuedu-little-content::-webkit-scrollbar-track{
    background: #ccc;
    border-radius:2px;
}
.yuedu-little-content::-webkit-scrollbar-thumb{
    background: #61B6EB;
    border-radius:2px;
}
.yuedu-little-content::-webkit-scrollbar-thumb:hover{
    background: #61B6EB;
}
.yuedu-little-content::-webkit-scrollbar-corner{
    background: #61B6EB;
}