.header .container { display: flex; justify-content: space-between; align-items: center;}
.header .container::after, .header .container::before { display: none;}
.xiaoxun { padding: 0 .25rem;}

@media screen and (max-width: 992px) {
    .header .container { padding-right: .8rem;}
    .xiaoxun img { max-height: 37px;}
}
@media screen and (max-width: 768px) {
.xiaoxun { display: none;}
}
.cur-column-name { display: none;}
.cur-column-name .sub-nav-btn { position: absolute; top: 0; right: 0; width: .5rem; height: .5rem; background: url(images/down1.png) no-repeat 50% 50%; transition: all .3s; -ms-transition: all .3s;}
.cur-column-name .sub-nav-btn.close { transform: rotate(90deg); -ms-transform: rotate(90deg);}
@media screen and (max-width: 992px) {
.cur-column-name { display: block; position: relative;
    background: #f1f5f6;
    margin: 0 0 0.25rem;
    font-size: .18rem;
    line-height: .5rem;

    padding: 0 0.15rem;
    font-weight: 700;
    border-radius: 2px;
    box-shadow: 1px 1px 3px 0 rgba(0, 0, 0, .3);}
.sidebar { display: none; margin: -.25rem 0 .25rem; padding: 0 .15rem 5px; border-radius: 4px; overflow: hidden; background: #f5f5f5; box-shadow: 1px 1px 3px 0 rgba(0, 0, 0, .3);}
.sidebar li { margin: 0; border-bottom: 1px solid #ddd !important; border-radius: 0;}
.sidebar li:last-child { border: none !important;}
.sidebar li.cur { background: none;}
.sidebar li.cur > a { font-weight: 700; color: #2f5a98;}
.sidebar li a { padding-top: 5px; padding-bottom: 5px; border-radius: 0; border: none;}
.sidebar li a::after { display: none;}
}
.sidebar .sub-nav { display: none;} 
.teach-article { padding-top: .36rem;}
.teach-article .article-head { display: -ms-flexbox; display: flex; justify-content: space-between; background: #f8f8f8; margin: 0 0 .4rem; padding:.15rem .3rem .2rem .3rem;}
.teach-article .article-head .img-box { position: relative; z-index: 1; width: 1.6rem;}
.teach-article .article-head .img-box::after { position: absolute; top:auto; right: -.05rem; bottom: -.05rem; left: auto; z-index: -1; content: ""; width: 100%; height: 100%; background: #2e63af;}
.teach-article .article-head .img-box .img-zoom { box-shadow: 0 0 0.12rem 0 rgba(0, 0, 0, 0.25);}
.teach-article .article-head .img-box .img { padding: 130% 0 0; background: no-repeat 50% 10%; background-size: cover; background-color: #fff;}
.teach-article .article-head .text { width: calc(100% - 2.4rem); padding: .1rem 0 0; font-size: 0.16rem; font-weight: 500; line-height: 200%; color: #333; text-align: left;}
.teach-article .article-title { margin: .4rem 0 .2rem; border-bottom: 1px solid #1e85d0;}
.teach-article .article-head .text .name { font-size: .18rem;
    font-weight: 500;
    color: #2f5a98;
    margin: 0 0 .2rem;}
    .teach-article .content p { line-height: 200%;}
     .teach-article .content * { font-family: "Arial", "Microsoft YaHei" ;} 
.teach-article .article-head .text .name span { font-size: .2rem;
    color: #333;
    font-weight: 700;
    margin-right: .3rem;}
    @media screen and (max-width: 768px) {
.teach-article .article-head { flex-wrap: wrap; justify-content: center; padding: .2rem .1rem;}
.teach-article .article-head .text { width: 100%; order: 1;}
.teach-article .article-head .text .name { text-align: center; margin: .1rem 0 0;}
 }