.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;} 
.img-zoom {
    position: relative;
    display: block;}

.teach-list3 { display: flex; justify-content: space-between; flex-wrap: wrap; padding: .34rem 0 0;}
.teach-list3 li { width: 47.5%; margin: 0 0 .34rem;}
.teach-list3 .img-zoom { display: flex; justify-content: space-between; z-index: 1; padding: .15rem; box-shadow: 0 0 .1rem 0 rgba(0, 0, 0, .1);}
.teach-list3 .img-zoom::after { position: absolute; bottom: 0; left: 0; z-index: -1; width: 100%; height: calc(100% - .4rem); background: #f4f4f4;} 
.teach-list3 .img-frame { width: 1.5rem; border: 1px solid #eee;  overflow: hidden;}
.teach-list3 .img { padding: 125% 0 0;  height: 100%;
    background-repeat: no-repeat;
    background-position: 50% 10%;
    background-color: #fff;
    background-size: cover;}
.teach-list3 .text { width: calc(100% - 1.9rem); padding-top: .2rem;}
.teach-list3 .name { font-size: .16rem; line-height: .5rem; color: #015198; border-bottom: 1px solid #e4e4e4; margin: 0 0 .2rem;}
.teach-list3 .name span { font-size: .18rem; font-weight:700; color: #333; margin-right: .2rem;}
.teach-list3 .text .info { text-indent: 0; font-size: .15rem; margin: .14rem 0 0; word-break: break-all; color: #777;}
.teach-list3 .text .info span { color: #333;}
@media screen and (max-width: 1024px) {
.teach-list3 li { width: 100%;}

}
@media screen and (max-width: 560px) {
.teach-list3 .img-zoom { display: block;}
.teach-list3 .img-frame { margin: 0 auto;}
.teach-list3 .text { width: 100%; margin: .15rem 0 0; padding-bottom: .2rem; padding-top: 0;}
.teach-list3 .text .info { margin: .06rem 0 0;}
.teach-list3 .name { text-align: center;}
}