body { font-size: 14px; line-height: 24px; background-color: #f5f5f5; padding-top: 68px; }
.container { position: relative; width: 1200px; margin: 0 auto; }
img, video { vertical-align: top; }

/* header */
#header { position: fixed; top: 0; left: 0; right: 0; height: 68px; background-color: #fff; font-size: 16px; box-shadow: 0 0 15px rgba(0, 0, 0, 0.05); z-index: 99 }
#header .layui-container { display: flex; height: 68px; justify-content: space-between; align-items: center; }
.nav { margin: 0 50px; }
.nav > ul { display: flex; }
.nav > ul > li { position: relative; z-index: 999 }
.nav > ul > li > a { display: block; padding: 0 15px; line-height: 68px; }
.nav > ul > li.active > a,
.nav > ul > li > ul > li.active > a { color: #f7b52c; }
.nav > ul > li > ul { display: none; position: absolute; top: 68px; background-color: #fff; padding: 5px 0; border-top: 2px solid #182987; box-shadow: 0 0 15px rgba(0, 0, 0, 0.05); }
.nav > ul > li > ul > li > a { white-space: nowrap; display: block; padding: 5px 25px; }
.nav > ul > li:hover > ul { display: block; }
.nav > ul > li > ul > li > ul { display: none; }
.user-info a { color: #999; }
.user-info a:first-child { margin-right: 15px; }

/* banner */
#banner { height: 600px!important; background-color: #fff; }
.banner-item { height: 600px!important; background-position: center; background-size: cover; }

#about { padding: 60px 0 100px; background-color: #fff; }
.title { font-size: 30px; line-height: 30px; font-weight: 500; color: #333; text-align: center; margin-bottom: 30px; }
.sub-title { margin-top: 15px; display: block; color: #666; font-size: 20px; font-weight: 300 }
.about-img img { max-width: 100%; }
.about-title { font-size: 24px; margin: 20px 0; }
.about-desc { color: #999; line-height: 30px; }
a.more { margin-top: 30px; display: inline-block; padding: 6px 40px; border-radius: 20px; background-color: #2079ff; color: #fff; }

#course { padding: 60px 0 100px; }
.course-item { background-color: #fff; border-radius: 5px; box-shadow: 0px 8px 16px 0px rgba(135, 153, 252, .09); overflow: hidden; }
.course-cover { background-color: #0f55a7; }
.course-cover img { max-width: 100%; }
.course-info { padding: 15px; }
.course-title { color: #333; margin-bottom: 5px; font-size: 16px; font-weight: 600 }
.course-desc { color: #999; height: 48px; overflow: hidden; }
.course-footer { position: relative; height: 30px; line-height: 30px; padding: 0 15px 20px; }
.course-footer .buy { position: absolute; right: 15px; padding: 0 15px; border-radius: 15px; background-color: #2079ff; color: #fff; }
.course-badge { position: absolute; left: 15px; padding: 0 15px; font-weight: 600; border-radius: 3px; color: #f7b52c; background: #fff8e8; }

#teacher { padding: 60px 0 100px; background-color: #fff; }
.teacher-item { background-color: #fff; border-radius: 5px; box-shadow: 0px 8px 16px 0px rgba(135, 153, 252, .09); overflow: hidden; }
.teacher-avatar img { max-width: 100%; }
.teacher-body { padding: 20px 30px; }
.teacher-name { font-weight: 600; font-size: 18px; margin-bottom: 10px; }
.teacher-desc { color: #999; height: 72px; overflow: hidden; }
.teacher-footer { margin: 15px; padding-top: 15px; text-align: center; border-top: 1px solid #f5f5f5; }
.teacher-footer a.more { margin-top: 0; display: inline-block; padding: 0; border-radius: 0; background-color: transparent; color: #2079ff; }

#subscribe { padding: 60px 0 100px; }
.subscribe-item { background-color: #fff; text-align: center; padding: 60px 30px; box-shadow: 0px 8px 16px 0px rgba(135, 153, 252, .09); border-radius: 5px; }
.subscribe-title { font-size: 24px; font-weight: 600; color: #333; }
.subscribe-price { font-size: 60px; height: 60px; line-height: 60px; margin: 30px 0; color: #f7b52c; }
.subscribe-price sup { font-size: 28px; vertical-align: super; }
.subscribe-desc { color: #999; }

/* ===================== page style ======================== */
.page-breadcrumb { height: 60px; line-height: 60px; }
.layui-breadcrumb a:hover { color: #000 !important; }

/* page side */
.side-menu { background-color: #fff; overflow: hidden; margin-bottom: 30px; padding: 15px; }
.side-menu ul li a { position: relative; display: block; border-bottom: 1px solid #e5e5e5; padding: 10px; font-family: layui-icon!important; font-style: normal; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.side-menu ul li:last-child a { border: 0; }
.side-menu ul li a:after { position: absolute; content: "\e602"; right: 15px; top: 10px; font-size: 12px; }
.side-menu ul li ul { padding-left: 15px; display: none; }
.side-menu ul li.active > a { color: #0f55a7; }
.side-menu ul li.active>ul { display: block; }
.side-menu > ul > li ul li.active > a { background-color: #fff; color: #0f55a7 }

/* page title */
.page-header { background-color: #465161; color: #fff; text-align: center; margin-bottom: 30px; padding: 30px 0; }
.page-header h2 { margin-bottom: 15px; font-size: 24px; }
.page-header p { color: #eee; font-size: 16px; }

/* page content */
.page-content { min-height: 500px; background-color: #fff; padding: 30px; margin-bottom: 30px; line-height: 30px; }
.cate-tit { font-size: 20px; font-weight: 600; margin-bottom: 20px; }
.page-content p { margin-bottom: 10px; }
.page-content img { max-width: 100%; }

.info-con { margin-bottom: 30px; min-height: 300px; }

.course-box { margin-bottom: 80px; }
.course-search { margin-bottom: 30px; text-align: center; }
.course-search .layui-input { width: 700px; border: 2px solid #1E9FFF; }
.course-search .layui-input:hover,
.course-search .layui-input:focus { border-color: #1E9FFF!important; }
.course-cate-box { background-color:#fff; margin-bottom: 30px; padding: 15px; border-radius: 5px; }
.course-cate-list { display: flex; flex-wrap: wrap; }
.course-cate-list li { float: left; position: relative; }
.course-cate-list li.has-child::after { position: absolute; top: 12px; right: 5px; content: ""; width: 6px; height: 6px; border-top: 1px solid #666; border-right: 1px solid #666; transform: rotate(135deg); }
.course-cate-list li.has-child.active::after { border-color: #5183ff; }
.course-cate-list li > a { display: block; padding: 5px 20px; }
.course-cate-list li.active > a { color: #5183ff; }
.course-cate-list li dl { display: none; position: absolute; z-index: 1; top: 34px; left: 0; padding: 5px 0; background-color: #fff; border-radius: 3px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); }
.course-cate-list li dl dd a { display: block; padding: 5px 30px; white-space: nowrap; }
.course-cate-list li dl dd.active a { color: #5183ff; }
.course-cate-list li:hover dl { display: block; }

.show-course-cover img { max-width: 100%; }
.show-course-tit { font-size: 20px; font-weight: 600; margin: 5px 0 15px; }
.show-course-con { color: #999; margin-bottom: 30px; }

.show-course-desc { background-color: #fff; margin-bottom: 80px; padding: 15px 30px; }
.video-tit { font-size: 18px; margin: 30px 0 20px; padding-bottom: 15px; border-bottom: 1px solid #f5f5f5; }
.video-item { display: flex; padding: 15px; border-bottom: 1px solid #eee; }
.video-title { -webkit-box-flex: 1; flex: 1 1 0%; }
.video-duration { color: #999 }

.video-info { background-color: #465161; color: #fff; margin-bottom: 30px; }
#aliyun-player { height: 500px!important; }
.video-no-permission { padding: 150px 0; text-align: center; font-size: 24px; }
.video-con { padding: 0 0 30px; }

/* annex */
.annex-wrapper { padding: 30px 0; }
.annex-item { display: block; border-bottom: 1px solid #eee; padding: 5px; }
.annex-tit { font-size: 16px; font-weight: 700; }
.annex-info { display: flex; justify-content: space-between; }
.annex-price { font-size: 18px; color: #ff5722; }
.annex-free { color: #36b368; }
.annex-date { color: #999; }

.annex-content { float: left; width: 700px; min-height: 300px; background-color: #fff; margin-right: 15px; padding: 50px 40px; }
.annex-con-tit { font-size: 24px; font-weight: 700; margin-bottom: 20px; }
.annex-sider { float: right; width: 280px; line-height: 24px; padding: 30px; background-color: #fff; }
.annex-sider .title { font-size: 18px; line-height: 24px; margin-bottom: 16px; text-align: left; }
.annex-sider .date { margin-bottom: 16px; color: #999; font-size: 14px; }
.annex-sider .price { font-size: 18px; font-weight: 700; color: #37f; margin-bottom: 16px; }
.download-btn { display: inline-block; padding: 8px 30px; background-color: #2079ff; color: #fff; border-radius: 30px; }
.download-btn:hover { color: #fff; }

/* Product */
.product-cate-box { background-color: #fff; margin-bottom: 30px; padding: 15px; border-radius: 5px; }
.product-cate-box > ul { display: flex; flex-wrap: wrap; }
.product-cate-box > ul > li { position: relative; margin-right: 10px; }
.product-cate-box > ul > li:hover,
.product-cate-box > ul > li.active { background-color: #5183ff; border-radius: 5px; }
.product-cate-box > ul > li.has-child::after { position: absolute; top: 12px; right: 12px; content: ""; width: 6px; height: 6px; border-top: 1px solid #666; border-right: 1px solid #666; transform: rotate(135deg); }
.product-cate-box > ul > li.has-child:hover::after,
.product-cate-box > ul > li.has-child.active::after { border-color: #fff; }
.product-cate-box > ul > li > a { display: block; padding: 5px 15px; }
.product-cate-box > ul > li.has-child > a { padding-right: 30px; }
.product-cate-box > ul > li:hover > a,
.product-cate-box > ul > li.active > a { color: #fff; }
.product-cate-box > ul > li ul { display: none; position: absolute; z-index: 1; top: 34px; left: 0; padding: 5px 0; background-color: #fff; border-radius: 3px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); }
.product-cate-box > ul > li ul li a { display: block; padding: 5px 25px; white-space: nowrap; }
.product-cate-box > ul > li ul li.active a { color: #5183ff; }
.product-cate-box > ul > li:hover > ul { display: block; }

.product-box { position: relative; margin-bottom: 80px; }
a.product-item { display: block; border-radius: 5px; background-color: #fff; box-shadow: 0 0 10px #eee; overflow: hidden; }
.product-item img { max-width: 100%; }
.product-info { padding: 30px; }
.product-title { font-size: 16px; font-weight: 700; height: 24px; line-height: 24px; }

/* 新闻 */
.news-item { display: flex; padding: 15px 30px; background-color: #fff; margin-bottom: 15px; border-radius: 5px; }
.news-item .news-info { flex: 1; }
.news-item .news-info p.title { font-size: 15px; color: #666; text-align: left; margin-bottom: 10px; }
.news-item .news-info p.date { font-size: 14px; color: #999; }
.news-item .news-info p.description { height: 52px; overflow: hidden; margin-top: 10px; font-size: 13px; color: #999; }
.news-item .news-thumb { margin-left: 30px; width: 90px; }
.news-item .news-thumb img { max-width: 100%; }

/* 图文 */
.picinfo-box { margin-bottom: 80px; }
.picinfo-item { display: block; border-radius: 5px; background-color: #fff; box-shadow: 0 0 10px #eee; overflow: hidden; }
.picinfo-img { overflow: hidden; }
.picinfo-img img { max-width: 100%; }
.picinfo-info { padding: 30px; }
.picinfo-tit { font-size: 18px; font-weight: 700; height: 24px; line-height: 24px; margin-bottom: 15px; }
.picinfo-desc { height: 72px; line-height: 24px; color: #999; overflow: hidden; }

/* role */
.role-box { margin-bottom: 80px; }

/* show */
.show-title { font-size: 24px; font-weight: 600; margin: 15px 0; }
.show-para { color: #ccc; margin-bottom: 10px; }
.show-content { padding: 15px 0; line-height: 30px; }
.show-content img { max-width: 100%; }

/* contact */
.contact-tit { margin-bottom: 50px; font-size: 24px; font-weight: 600; }
.contact-desc { border-bottom: 1px solid #eee; }
.contact-item { padding: 20px 10px; border-top: 1px solid #eee; }
.box-icon { float: left; margin-right: 15px; }
.box-icon .layui-icon { font-size: 24px; color: #ffb606 }
.content-inner { float: left; }
.content-inner h4 { font-weight: 700; margin-bottom: 5px; }
.content-inner p { color: #999; }

/* buy */
.buy-box { margin-top: 30px; margin-bottom: 80px; }
.buy-box .layui-card-body { padding: 30px; }
.pay-method-tit { color: #999; margin-top: 30px; }

/* order box */
.order-box { background-color: #fff; padding: 30px 80px; }
.order-box h2 { margin-bottom: 20px; }
.order-param { margin-bottom: 20px; }
.order-param li { padding: 5px 0; font-size: 16px; }
.order-param li span { float: left; width: 100px; padding-right: 10px; color: #999; }

/* 支付成功 */
.pay-success-box { background-color: #fff; width: 500px; margin: 80px auto; padding: 50px; border-radius: 5px; }
.pay-success-info { text-align: center; }
.pay-success-info .layui-icon { display: inline-block; width: 50px; line-height: 50px; border-radius: 50px; background-color: #73d13d; color: #fff; font-size: 30px; }
.pay-success-info p { font-size: 20px; margin: 10px 0 20px; }
.pay-success-action { text-align: center; }

/* pagination */
.pagination { margin-top: 30px; margin-bottom: 50px; clear: both; }
.report-list+.pagination { margin-top: 0; }
.pagination li { display: inline-block; margin: 0 5px; }
.pagination li a,
.pagination li span { display: inline-block;  line-height: 30px; padding: 2px 15px; background-color: #eee; border-radius: 3px; }
.pagination li a:hover { color: #0f55a7; }
.pagination li.active span { background-color: #0f55a7; color: #fff; }

.footer { background-color: #404040; color: #fff; padding: 60px 0; }
.qrcode-box { width: 150px; text-align: center; }
.qrcode-box p { margin-top: 10px; }
.foot-title { font-size: 16px; font-weight: 600; margin-bottom: 15px; color: #fff }
.foot-desc, .foot-contact, .copyright { color: #9f9f9f; }
.foot-company-info { margin-top: 15px; }
.foot-contact { line-height: 30px; }
.copyright { margin-top: 30px; padding: 20px 10px; border-top: 1px solid #535353; }

/* layui rewrite */
.layui-tab-brief>.layui-tab-title .layui-this { color: #0f55a7; }
.layui-tab-brief>.layui-tab-more li.layui-this:after, .layui-tab-brief>.layui-tab-title .layui-this:after {
    border-bottom: 2px solid #0f55a7;
}

.foot-tool { position: fixed; z-index: 9999; bottom: 0; left: 0; width: 100%; height: 60px; background-color: #fff; border-top: 1px solid #eee; }
.foot-tool ul li { float: left; width: 33.3333%; text-align: center; }
.foot-tool ul li a { display: block; color: #666; }
.foot-tool-icon { line-height: 36px; }
.foot-tool-icon .layui-icon { font-size: 20px; }
.foot-tool-txt { height: 24px; line-height: 12px; font-size: 12px; }

@media screen and (max-width:768px) {
    .logo img { height: 30px; }
    /* banner */
    #banner { height: 300px!important; }
    .banner-item { height: 300px!important; }

    .video-info .layui-container { padding: 0; }
    #aliyun-player { height: 300px!important; }
}