.content {
    padding-top: 68px;
}

.isNull {
    margin: 0 auto;
    width: 100%;
    min-width: 800px;
    min-height: 350px;
    overflow: hidden;
}

.isNull i {
    display: block;
    font-size: 106px;
    color: #c0c4c5;
    text-align: center;
    cursor: default;
    height: 106px;
    line-height: 106px;
    margin: 60px 0 40px 0;
}

.isNull a {
    font-size: 20px;
    color: #787777;
    text-align: center;
    display: block;
}

.search_top {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 168px;
    background: url("search-bg.jpg") no-repeat;
}

.search_form {
    margin: 0 auto;
    width: 840px;
    height: 46px;
    position: relative;
}

.search_form input {
    width: inherit;
    height: inherit;
    font-size: 16px;
    color: #666666;
    background-color: #ffffff;
    border-radius: 6px;
}

.search_form a {
    display: block;
    width: 104px;
    height: inherit;
    font-size: 16px;
    color: #ffffff;
    line-height: 46px;
    text-align: center;
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--theme-color);
    border-bottom-right-radius: 6px;
    border-top-right-radius: 6px;
}

.hot-nav {
    width: 840px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-start;
    padding-top: 16px;
    padding-left: 24px;
    font-size: 14px;
}

.hot-nav li {
    margin-right: 6px;
}

.hot-nav li a {
    color: #ffffff;
}

.hot-nav li a:hover {
    color: var(--theme-color);
}

.sort {
    border-bottom: 1px solid #cfcfcf;
    padding: 24px 24px 0 24px;
    background-color: #fff;
    border-radius: 6px 6px 0 0;
}

.sort ul {
    overflow: hidden;
}

.sort ul li {
    position: relative;
    float: left;
    margin-right: 24px;
}

.sort ul li a {
    font-size: 16px;
    color: #333333;
}

.sort ul li span {
    display: block;
    content: '';
    width: 36px;
    height: 4px;
    background-color: var(--theme-color);
    margin: 10px auto 0;
    opacity: 0;
}

.sort ul li.on a {
    color: var(--theme-color);
}

.sort ul li.on span {
    opacity: 1;
}

.sort ul li:hover a {
    color: var(--theme-color);
}

.sort ul li:hover span {
    opacity: 1;
}

.search_main {
    background-color: #f5f5f5;
    overflow: hidden;
}

.search_main .__text {
    font-size: 16px;
    color: #999999;
    margin-top: 24px;
    margin-bottom: 36px;
}

.search_main .__text span {
    color: #444444;
}

.main_show {
    margin-bottom: 36px;
    margin-top: 36px;
    background-color: #ffffff;
}

/*课程*/
.train-list {
    padding: 16px 0;
    background-color: #fff;
    margin-bottom: 36px;
}

.train-list ul {
    overflow: hidden;
}

.train-list ul li {
    padding: 24px;
    overflow: hidden;
    border-bottom: 1px solid #cfcfcf;
}

.train-list ul li:last-child {
    border-color: transparent;
}

.train-list ul li .img-wrap {
    width: 214px;
    height: 126px;
    float: left;
    margin-right: 36px;
    border-radius: 4px;
}

.train-list ul li .train-txt {
    float: left;
    height: 126px;
    margin-right: 36px;
}

.train-txt dl {
    /*margin-top: 6px;*/
}

.train-txt dl dt {
    font-size: 16px;
    color: #333333;
}

.train-txt dl dt a {
    color: #333333;
}

.train-txt dl dd {
    font-size: 14px;
    color: #555555;
    margin-bottom: 6px;
    margin-top: 6px;
    /*width: 380px;*/
    width: 756px;
    text-align: justify;
}

.train-txt dl dd a {
    color: #666666;
    text-align: justify;
}

.train-txt dl dd span {
    color: #8f8f8f;
}

.train-txt dl dd .price {
    color: #ff6600;
    font-size: 18px;
}

.btn-wrap {
    float: left;
    width: 100px;
    padding-top: 32px;
}

.btn-wrap a {
    display: block;
    width: inherit;
    height: 36px;
    line-height: 34px;
    text-align: center;
    font-size: 14px;
    border: 1px solid var(--theme-color);
    border-radius: 4px;
    transition: all .5s;
}

.btn-wrap .info-btn {
    color: var(--theme-color);
    border-color: var(--theme-color);
    box-shadow: 0 10px 10px #e4edfa;
}

.btn-wrap .info-btn:hover {
    color: #fff;
    background-color: var(--theme-color);
    box-shadow: 0 10px 10px #afc8fa;
}

.train-list ul li:hover {
    background-color: #f3f7fa;
}

.train-list ul li:hover .btn-wrap .buy-btn {
    background-color: var(--theme-color);
}

/*新闻*/

/*新闻列表*/
.news-list {
    width: 1200px;
    background-color: #fff;
}

.news-list ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    overflow: hidden;
}

.news-list ul li {
    width: 590px;
    padding: 24px 16px;
    overflow: hidden;
    margin-bottom: 24px;
}

.news-list ul li .img-wrap {
    width: 180px;
    height: 102px;
    float: left;
}

.news-list ul li .news-text {
    float: right;
    width: 370px;
    height: 102px;
    padding: 12px 0;
    border-bottom: 1px solid #dddddd;
}

.news-list ul li .news-text h2 {
    width: inherit;
    height: 44px;
}

.news-list ul li .news-text h2 a {
    color: #333333;
}

.news-list ul li .news-from {
    margin-top: 16px;
    color: #8f8f8f;
}

.news-list ul li:hover {
    background-color: #F0F0F0;
}

.news-list ul li:hover .news-text h2 a {
    color: var(--theme-color);
}