@charset "utf-8";

.container {
  position: relative;
}

header .container {
  padding: 0;
}

.rel {
  position: relative;
}

a:hover,
a:link {
  text-decoration: none;
}

.mt-20 {
  margin-top: 20px;
}

.hid {
  display: none;
}

body {
  background-color: #f5f5f5;
}

.row {
   margin-left: 0;
   margin-right: 0;
}

/* 头部 */
header {
  height: 50px;
  line-height: 50px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;
  line-height: 50px;
  font-size: 16px;
  background: #222;
  z-index: 10;
}

header a {
  color: #EEE;
}

header a:hover {
  color: #FFF;
  text-decoration: none;
}

header .logo {
  float: left;
  font-family: 'zurb-logo';
  font-weight: normal;
  opacity: 0.75;
  transition: all .25s ease-in-out;
  color: #FFF;
  margin-left: 15px;
  font-size: 20px;
}

.nav-box {
  width: 100%;
  padding: 0 5%;
  background: #FFF;
  margin-top: 50px;
  box-shadow: 0 5px 6px 0 #F9F9F9;
  display: none;
}

.nav-box a {
  width: 100%;
  height: 50px;
  color: #555;
  display: inline-block;
}


/* 面包屑 */
.crumbs {
  height: 50px;
  line-height: 50px;
  font-size: 15px;
  color: #333;
}

/* 首页 */
.title-box {
  margin: 30px 0;
  color: #565656;
  font-size: 24px;
  text-align: center;
}

.title-box i {
  font-style: normal;
}

.title-box .square {
  width: 5px;
  height: 5px;
  border-width: 1px;
  border-style: solid;
  border-color: #777;
  position: absolute;
  top: 50%;
  margin: -2.5px 0 0;
  transform: rotate(45deg);
  transform-origin: center center;
}

.title-box .square:nth-of-type(2) {
  left: -20px;
}

.title-box .square:last-child {
  right: -20px;

}

.title-box .sline {
  width: 60px;
  height: 1px;
  background: #777;
  position: absolute;
  top: 50%;
  margin: -.5px 0 0;
}

.title-box .sline:first-child {
  left: -79px;
}

.title-box .sline:nth-of-type(3) {
  right: -79px;
}

.course-list {}

@media (min-width: 768px) .col-md-3 {
  -webkit-box-flex: 0;
  flex: 0 0 25%;
  max-width: 25%;
}

@media (min-width: 576px) .col-sm-12 {
  -webkit-box-flex: 0;
  flex: 0 0 100%;
  max-width: 100%;
}

.course-list .col-sm-12.col-md-3 {
  /* padding-left: 0; */
}

.course-item {
  margin-bottom: 20px;
  box-shadow: 0 2px 2px 0 #eee;
}

.course-item img {
  width: 100%;
}

.course-tit {
  padding: 15px 10px;
}

.course-tit p {
  font-size: 16px;
}

.course-tit span {
  font-size: 14px;
  color: #777;
}

/*  */
.item-box-bottom {
  height: 100px;
  bottom: 0;
  background: #fff;
  -webkit-transition: bottom .3s;
  transition: bottom .3s
}

.item-box-bottom .course-info-wrapper {
  height: 100%;
  padding: 20px 10px 0;
  top: 0;
  background: #fff;
  overflow: hidden;
  -webkit-transition: top .3s ease-out;
  transition: top .3s ease-out
}

.item-box-bottom .course-info-wrapper .course-name {
  display: block;
  width: 100%;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis
}

.item-box-bottom .course-info-wrapper .course-description {
  display: -webkit-box;
  margin-top: 10px;
  color: #666;
  font-size: 13px;
  line-height: 1.4;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word
}

.item-box-bottom .course-meta-data {
  position: absolute;
  display: block;
  bottom: 0;
  width: 100%;
  left: 0;
  height: 53px;
  padding: 0 10px;
  font-size: 12px;
  color: #9b9da2;
  background: #fff
}

.item-box-bottom .course-meta-data .meta-data-inner {
  height: 100%;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  justify-content: space-between
}

.course-item {
  margin-bottom: 20px;
  box-shadow: 0 2px 2px 0 #eee
}

.course-item:hover {
  box-shadow: 0 4px 20px 4px #ddd
}

.course-item:hover .item-box-top .follow-status {
  display: block
}

.course-item:hover .item-box-bottom .course-info-wrapper {
  top: -55px
}

/*  */

/* 课程详情页 V5 */
.common-content {
  margin-bottom: 10px;
  padding: 10px 20px 10px;
  background: #fff;
}
/* V5 */
.common-content h2 {
  color: #404040;
  margin: 0;
}
/* V5 */
.common-content p {
  color: #404040;
  margin-top: 15px;
  font-size: 16px;
}
/* V5 */
.common-content p.cc-info {
  color: #404040;
  font-size: 14px;
}

/*
.common-content p.cc-info span+span:before {
  content: "";
  width: 1px;
  height: 20px;
  display: inline-block;
  background: #eee;
  margin: 0 8px -9px 4px;
}
*/

.cc-title {
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  justify-content: space-between;
  border-bottom: 1px solid #eee;
  padding-bottom: 5px;
  font-weight: 500;
}

.cc-title span {
  font-size: 20px;
}

/* V5 */
.lab-item {
  color: #404040;
}

.lab-item .lab-index {
  font-size: 16px;
  font-weight: 600;
  color: #333;
}

.lab-item .item-top {
  padding: 10px 20px;
  background-color: #f7f7f7;
  line-height: 30px;
}

.lab-item .item-top .icon-tick-revert {
  width: 30px;
  height: 30px;
  /* border: 1px solid #DDD;
  background: linear-gradient(450deg, rgba(198, 130, 86, 1) 0%, rgba(221, 165, 135, 1) 100%);
  box-shadow: 0px 0 2px 0px rgba(197, 134, 93, 0.4);
  border-radius: 4px; */
  position: relative;
}

.lab-item .item-top .icon-tick-revert::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  position: absolute;
  right: 0;
  border-right: 2px solid #777;
  border-top: 2px solid #777;
  top: 12px;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  transform-origin: 50% 50%;
  -webkit-transform-origin: 50% 50%;
}

.lab-item .item-top .icon-tick-revert.pack-up::after {
  top: 5px;
  transform: rotate(135deg);
  -webkit-transform: rotate(135deg);
}

.flex {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
}

.flex.space-between {
  -webkit-box-pack: justify;
  justify-content: space-between;
}
/* V5 */
.lab-item .item-bottom {
  padding: 10px 0px;
  color: #404040;
 }

.lab-item .item-bottom:last-child {
  padding-bottom: 30px;
}

.lab-item a {
  font-size: 22px;
  color: #404040;
  cursor: pointer;
  margin-top: 20px;
  margin-bottom: 10px;
  line-height: 1.9;
}
	
.lab-item a:hover {
  color: #337ab7;
}

.lab-item p {
  margin: 0;
  color: #999;
  font-size: 16px;
}
/* V5 */
.item-bottom h3 {
  font-size: 18px;
  font-weight: 600;
  color: #404040;
  width: 90%;
}

.btn-view {
  position: absolute;
  top: 50%;
  right: 20px;
  margin-top: -16px;
  padding: 0 20px;
  height: 30px;
  line-height: 30px;
  font-size: 14px;
  color: #1779ba;
  border: 1px solid #1779ba;
  border-radius: 15px;
  background: #FFF;
  cursor: pointer;
}

.page {
  width: 100%;
  height: 50px;
  line-height: 50px;
  text-align: center;
  margin-top: 20px;
}

.page span,
.page a {
  padding: 10px;
}


/* 详情 */
/* V5 */
.article-info {
  padding-right: 10px;
  line-height: 60px;
  font-size: 14px;
  color: #999;
  overflow: hidden;
}

.article-info .ai-ly {
  float: left;
}

.article-info .time {
  float: right;
}
/* V5 */
.article-tt {
  font-size: 28px;
  font-weight: 700;
  line-height: 38px;
  color: #404040;
}

.article li p:first-child {
  display: inline-block;
}

.article p {
  font-size: 16px;
  color: #404040;
  line-height: 1.9;
}

.article ul {
  padding-left: 20px;
  margin-bottom: 10px;
  color: #404040;
  font-size: 16px;
  line-height: 1.9;
}

.article h3 {
  font-size: 22px;
  color: #404040;
}

.article p.bottom-none {
  margin-bottom: 0px;
}

.head-dot {
  font-size: 16px;
  font-weight: 600;
  margin: 0px 5px;
}

.article p.box-img {
  display: flex;
  align-items: center;
  justify-content: center;
}

.article img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  margin-bottom: 10px;
}

.article a {
   cursor: pointer;
   color: #404040;
   border-bottom: dotted 1px #000;
}

.article a:hover {
   color: #337ab7;
}

pre[class*=language-] {
  padding: 1em;
  line-height: 1.5;
  color: #ccc;
  background: #2d2d2d;
  border: 0;
  padding-left: 3.8em;
  counter-reset: linenumber;
}

pre code {
  position: relative;
  padding-top: 2px;
}

pre .line-numbers-rows {
  position: absolute;
  pointer-events: none;
  top: 0;
  font-size: 100%;
  left: -3.8em;
  width: 3em;
  letter-spacing: -1px;
  border-right: 1px solid #999;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.line-numbers-rows>span {
  pointer-events: none;
  display: block;
  counter-increment: linenumber;
}

.line-numbers-rows>span:before {
  content: counter(linenumber);
  color: #999;
  display: block;
  padding-right: 10px;
  text-align: right;
}


.list-group a:first-child {
  font-size: 15px;
  font-weight: 500;
}

.dynamic,
.sidebar-module,
.rcode {
  padding: 10px 15px 15px;
  background-color: #f5f5f5;
  border-radius: 4px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
}

.dynamic h4,
.sidebar-module h4 {
  font-weight: 600;
}

.dynamic p {
  font-size: 14px;
  color: #777;
}

.list-unstyled li {
  line-height: 30px;
  font-size: 14px;
  color: #555;
}

.rcode img {
  width: 100%;
}

.rcode p {
  font-size: 16px;
  font-weight: 500;
  margin: 15px 0 0;
  text-align: center;
}



/* 左侧按钮 */
.pages-fun {
  width: 80px;
  position: fixed;
  top: 20%;
  left: 0;
}

.pages-fun a {
  height: 80px;
  background: #f9f9f9;
  text-align: center;
  padding-top: 10px;
  font-size: 15px;
  line-height: 20px;
  margin-bottom: 15px;
  display: block;
  color: #222;
  text-align: center;
  border-radius: 5px;
}

.pages-fun a:hover {
  background: #EEE;
}

.pages-fun a.icon_video::before,
.pages-fun a.icon_download::before,
.pages-fun a.icon_work::before {
  content: "";
  width: 36px;
  height: 36px;
  display: inline-block;
  background: url(../image/icon.png) no-repeat;
  background-size: 30px;
}

.pages-fun a.icon_video::before {
  background-position: center 8px;
}

.pages-fun a.icon_video:hover::before {
  background-position: center -32px;
}

.pages-fun a.icon_download::before {
  background-position: center -80px;
}

.pages-fun a.icon_download:hover::before {
  background-position: center -120px;
}

.pages-fun a.icon_work::before {
  background-position: center -157px;
}

.pages-fun a.icon_work:hover::before {
  background-position: center -197px;
}

/* footer */
footer {
  width: 100%;
  line-height: 30px;
  font-size: 14px;
  margin-top: 20px;
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid #DDD;
}

footer a {
  padding: 0 10px;
}

footer p {
  margin: 10px 0 0;
}

/* wap */
.navbar-toggle {
  /* margin-right: 0; */
}

.navbar-toggle .icon-bar {
  background: #fff;
  background: #2196f3;
}

.navbar-toggle .icon-bar+.icon-bar {
  margin-top: 4px
}

.col-xs-6 {
  width: 100%;
}

/* 弹窗 */
.masked {
  background: rgba(0, 0, 0, .7);
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: -webkit-flex;
  -webkit-justify-content: center;
  -webkit-align-items: center;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #666;
  text-align: center;
}

.pop-white {
  width: 85%;
  background: #FFF;
  margin: 0 auto 0;
  border-radius: 8px;
  position: relative;
}

.pop-white-tt {
  margin-top: 25px;
  height: 40px;
  font-size: 18px;
  font-weight: 600;
  color: #333;
  line-height: 40px;
}

.ptz-tt {
  color: #333;
  font-size: 15px;
  line-height: 22px;
  margin-top: 10px;
  padding: 0 15px 0 20px;
  text-align: left;
}

.pop-btn {
  width: 100%;
  display: flex;
  margin: 30px 0;
}

.pop-btn div {
  width: 70%;
  height: 40px;
  line-height: 40px;
  border-radius: 20px;
  border: 1px solid #999;
  font-size: 16px;
  margin-left: 4%;
  margin: 0 auto;
}

.pop-btn div.btn-qsz {
  border: 0;
  background: linear-gradient(90deg, rgba(237, 21, 21, 1) 0%, rgba(255, 73, 73, 1) 100%);
  color: #FFF;
}


/* video */
.video-course {
  width: 100%;
  background-color: #232323;
  overflow: hidden;
}

.video-box {
  width: 100%;
  overflow: hidden;
}

.video-le {
  float: left;
  width: 100%;
}

.video-course-wrapper {
  width: 100%;
  height: auto;
  overflow: hidden;
  position: relative;
}

.video-course-wrapper video {
  width: 100%;
  height: 100%;
}

.cover-img {
  width: 100%;
  height: 100%;
  opacity: 0.9;
  display: block
}

.play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  color: #fff;
  text-align: center;
  line-height: 109px;
  background-color: #23b8ff;
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  cursor: pointer;
}

.play-btn:before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  background: url(../image/icon_video_small.png) no-repeat;
  background-size: 100%;
}

.course-info {
  width: 100%;
  padding: 15px;
  color: #FFF;
}

.course-title h3 {
  margin-top: 0;
}


.course-hints span.line-item {
  color: #999;
  margin-right: 30px;
}

.video-ri {
  float: right;
  width: 100%;
  position: relative;
}

.video-list {
  width: 100%;
  height: 400px;
  padding: 15px 0;
}

.list-unstyled {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  height: 100%;
  padding: 0 16px;
  overflow: auto;
  color: #c7c7c7;
  font-size: 14px;
  overflow-x: hidden;
  overflow-y: auto;
}

.list-unstyled li {
  width: 100%;
  color: #5f5f5f;
}

/* .list-unstyled li:after {
  content: "";
  position: absolute;
  height: 1px;
  width: 100%;
  bottom: -16px;
  background-color: #f4f4f4;
  background-color: hsla(0, 0%, 95.7%, .1);
} */

.list-unstyled li p {
  margin-bottom: 0;
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.list-unstyled li.beg {
  color: #23b8ff;
}

/* 定义滚动条样式 */
::-webkit-scrollbar {
  border-radius: 3px;
  width: 6px;
  height: 6px;
  background-color: rgba(109, 109, 109, 1);
}

/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 0px rgba(109, 109, 109, .5);
  border-radius: 10px;
  background-color: rgba(109, 109, 109, .5);
}

/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  box-shadow: inset 0 0 0px rgba(109, 109, 109, .5);
  background-color: rgba(109, 109, 109, .5);
}

.course-btn {
  width: 90%;
  height: 50px;
  line-height: 50px;
  margin: 0 auto 15px;
  background-color: #23b8ff;
  color: #fff;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
}

.course-btn span {
  margin-left: 5px;
}

.icon-font {
  font-family: webfont;
  speak: none;
  font-style: normal;
  font-weight: 600;
  -webkit-font-feature-settings: normal;
  font-feature-settings: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  font-size: 20px;
  position: relative;
  vertical-align: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.i-add::before {
  content: "+";
}

/* V5.00 */
.menu-item-head {
	font-size:16px;
	line-height:1.70;
	font-weight:600;
	background-color: #f5f5f5;
}
.menu-item-left {
	font-size:14px;
	line-height:1.9;
}
.menu-item-right {
	display:flex;
	align-items:center;
	justify-content:space-between;
	font-size:14px;
	line-height: 1.5;
}
/* V5 */
.main-title {
	font-size: 20px;
	font-weight: 700;
	line-height: 30px;
	color: #404040;
}
.text-title {
	display: flex;
	align-items: center;
	justify-content: space-between;
}
/* V5 */
.text-title h4 {
    color: #404040;
}
/* V5 */
.text-title div {
	color: #999;
}
/* V5 */
hr {
	border:none;
	border-top:1px solid #ddd;
	color:#ddd;
	background-color:#fff;
	height:1px;
	width:100%;
	margin-top: 10px;
	margin-bottom: 10px;
}
/* V5 */
.dashed-line {
	border-top: 1px dashed #ddd;
	margin-bottom: 10px
}
/* V5 */
.view-text {
  position: absolute;
  top: 35px;
  right: 0px;
  margin-top: -10px;
  padding: 0 15px;
  height: 30px;
  line-height: 30px;
  font-size: 14px;
  background: #FFF;
  cursor: pointer;
  white-space: nowrap;
}
.cc-info span {
	padding-right: 15px;
}
.title-list {
	padding-top: 20px;
	padding-bottom: 10px;
	background: #fff;
}
.menu-item-right .title {
	padding-right: 10px;
	line-height: 1.42857143;
}
.menu-item-right .erase {
	font-size: 18px;
	color: #999
}
.title-info {
	margin-top: 20px;
}
.list-item {
	padding: 0px 20px;
	font-size: 16px;
	color: #404040;
	line-height: 1.9;
}
.list-item:last-child {
	padding-bottom: 10px;
}
.item-body {
	margin-left: 25px;
}
.item-link {
	font-size: 16px;
	background: #FFF;
	white-space: nowrap;
}
.item-tag {
	font-size: 12px;
	background-color: #f5f5f5;
	cursor: pointer;
	padding: 5px 10px;
	color: #404040;
	font-weight: normal;
}
.code-image {
	display: flex; 
	align-items: center; 
	justify-content: space-around;
}
.login-btn {
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.sidebar-item {
    color: #404040 !important;
}
.task-num {
    position: absolute;
    top: -7px;
    right: -8px;
    padding: 3px 3px 2px 3px;
    background-color: red;
    color: white;
    font-family: arial;
    font-weight: bold;
    font-size: 10px;
    border-radius: 3px;
}
/* V5 */
.answer {
  font-size: 16px;
  color: #404040;
  line-height: 1.9;
}
/* V5 */
.answer p {
  margin: 0px;
}
/* V5 */
.answer ul {
  padding-left: 20px;
  margin-bottom: 0px;
}

.font-bg {
  font-size: 18px;
}

.font-md {
  font-size: 16px;
}

.font-sm {
  font-size: 14px;
}

/* webkit浏览器的通用样式 */
::-webkit-scrollbar {
  width: 4px;
}
 
::-webkit-scrollbar-thumb {
  background-color: #888;
  border-radius: 8px;
  border: 1px solid #fff;
}
 
::-webkit-scrollbar-track {
  background-color: #fff;
}