body, h1, h2, h3, h4, h5, h6, p, ul, li, img, div, a {
    margin: 0;
    padding: 0
}

body {
    background: #F3F3F3;
    font-family: "Arial", "Microsoft YaHei", "黑体", "宋体", sans-serif;
}

.clear {
    clear: both
}

.zhufeng_video_top {
    width: 100%;
    height: 70px;
    background: #2D2D2D
}

.zhufeng_video_menu {
    width: 1000px;
    margin: 0 auto
}

.zhufeng_video_logo {
    float: left;
    height: 70px
}

.zhufeng_video_logo a img {
    margin-top: 5px
}

.zhufeng_video_menus {
    float: right;
    height: 70px;
    width: 80%
}

.zhufeng_video_menus ul {
    float: right;
    height: 70px;
}

.zhufeng_video_menus ul li {
    float: left;
    text-align: center;
    list-style: none;
    height: 70px;
    line-height: 70px;
}

.zhufeng_video_menus ul li a {
    color: white;
    text-decoration: none;
    font-size: 14px
}

.zhufeng_video_menus ul:nth-child(2) li a {
    padding: 8px 19px;
    margin-left: 10px;
    border-radius: 3px
}

.fixed-bg {
    background: #F35B25;
}

.zhufeng_video_menus ul:nth-child(2) li a:hover {
    background: #F35B25;
}

.zhufeng_video_menus ul:nth-child(1) li {
    width: 50px;
    height: 70px
}

.zhufeng_video_menus ul:nth-child(1) li a {
    width: 50px;
    height: 69px;
    display: inline-block
}

.zhufeng_video_menus ul:nth-child(1) li a:hover {
    background: #383838;
}

.zhufeng_video_banner {
    width: 100%;
    background: white;
    margin: 0 auto
}

.zhufeng_video_video {
    width: 1000px;
    margin: 0 auto;
    overflow: hidden
}

.zhufeng_video_video_title {
    font-size: 20px;
    height: 26px;
    border-left: 8px solid #F35B25;
    padding-left: 20px;
    margin-top: 50px;
    color: #3F3F3F
}

.zhufeng_video_video_title span {
    position: relative;
    top: 0
}

.zhufeng_video_video_title span:nth-child(1) {
    top: -11px
}

.zhufeng_video_video_title span:nth-child(2) {
    top: -1px
}

.zhufeng-title-img {
    width: 30px;
    height: 30px;
    margin-left: 10px;
    background: url("../images/video_play.png") no-repeat;
    background-position: 0px 0px;
    display: inline-block
}

.zhufeng_video_video_single {
    width: 100%;
    margin-top: 40px;
}

.zhufeng_video_video_single li {
    position: relative;
    float: left;
    height: 230px;
    margin-left: 20px;
    margin-bottom: 20px;
    width: 225px;
    list-style: none;
    cursor: pointer
}

.zhufeng_video_video_single li img {
    position: absolute;
    top: 0;
    width: 100%;
    height: 145px;
}

.zhufeng_video_video_single li a {
    display: block;
}

.zhufeng_video_video_single li:hover {
    border-radius: 5px;
    -webkit-transform: translateY(-5px);
    -moz-transform: translateY(-5px);
    -ms-transform: translateY(-5px);
    -o-transform: translateY(-5px);
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1), 0 3px 6px rgba(0, 0, 0, 0.2);
    transition: all .3s ease;
}

.zhufeng_video_video_main {
    position: absolute;
    bottom: 0;
    width: 100%;
    box-sizing: border-box;
    height: 95px;
    margin-top: -1px;
    background: white;
    text-align: center
}

.zhufeng_video_video_single2 .zhufeng_video_video_main {
    height: 80px;
}

.zhufeng_video_video_single2 li {
    height: 226px;
}

.zhufeng_video_video_main p {
    font-size: 16px;
    color: #505050;
    margin-top: 20px;
}

.zhufeng_video_video_main em {
    display: block;
    height: 30px;
    text-decoration: none;
    line-height: 30px;
    width: 80px;
    box-sizing: border-box;
    background: none;
    border-radius: 3px;
    border: 1px solid #505050;
    font-size: 14px;
    color: #505050;
    margin: 0 auto;
    margin-top: 10px;
    font-style: normal
}

.zhufeng_video_video_main span {
    color: #EF1300;
    display: block;
    font-size: 14px;
    padding-top: 10px;
}

/*里页*/

.zhufeng_video_inside_left {
    width: 715px;
    float: left;
    padding-right: 15px;
    box-sizing: border-box
}

.video_inside_left_jianjie {
    text-indent: 2em;
    font-size: 14px;
    color: #424242;
    margin: 20px 0;
    line-height: 23px
}

.vMenu {
    margin: 20px 0
}

.vTitle {
    position: relative;
    cursor: pointer;
    height: 60px;
    border-bottom: 1px solid #ccc;
    color: #2B2B2B;
    font-size: 16px;
    -ms-user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

.vTitle span {
    display: block;
}

.vTitle span:nth-child(1) {
    position: absolute;
    top: 16px;
    left: 0px;
    width: 30px;
    height: 30px;
    background: url("../images/video_play.png") no-repeat;
    background-position: -101px 0px;
}

.vTitle span:nth-child(2) {
    position: absolute;
    top: 19px;
    left: 45px;
}

.vTitle span:nth-child(3) {
    position: absolute;
    top: 32px;
    right: 6px;
    cursor: pointer;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 10px solid #bfbfbf;
}

.vInside {
    display: none
}

.vInside ul {
    margin: 0;
    padding: 0;
    margin-left: 20px
}

.vInside ul li {
    list-style: none;
    height: 38px;
    line-height: 38px;
    padding: 0 0 0 23px;
    box-sizing: border-box;
    border-bottom: 1px solid white;
    background: #f3f5f7;
    margin: 10px 0;
    width: 100%;
    font-size: 15px;
    color: #7d7d7d;
    position: relative;
}

.vInside ul li .learning {
    background: #32B9AB;
    color: white;
    text-decoration: none;
    padding: 3px 5px;
    border-radius: 3px;
    font-size: 14px;
    position: absolute;
    right: 10px;
    top: 5px;
    line-height: 22px;
    display: none;
    cursor: pointer
}

.vInside ul li:last-child {
    border-bottom: none
}

.radius {
    display: block;
    width: 0;
    height: 0;
    border: 5px solid transparent;
    border-left-color: #b5b9bc;
    position: absolute;
    left: 10px;
    top: 13px;
}

.vOutside {
    overflow: hidden;
}

.vInside ul li:hover {
    background: #10222c;
    color: #fff;
}

.vInside ul li:hover .learning {
    display: block;

}

.zhufeng_video_inside_right {
    width: 285px;
    float: right;
    padding-left: 55px;
    box-sizing: border-box;
    padding-top: 24px
}

.zhufeng-video-download {
    text-align: center
}

.zhufeng-video-download a {
    display: block;
    height: 50px;
    line-height: 50px;
    background: #f70d2c;
    border-radius: 5px;
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-family:"微软雅黑";
    letter-spacing: 1px;
}

.zhufeng-video-code {
    width: 223px;
    border: 1px solid #ececec;
    margin-top: 10px;
    border-radius: 3px;
    background: #F9F9F9;
    padding: 5px;
    box-sizing: border-box;
    padding-bottom: 0
}

.zhufeng-video-code span {
    display: inline-block;
    background: #E2E2E2;
    padding: 5px 6px;
    box-sizing: border-box;
    border-radius: 3px;
    font-size: 12px;
    color: #3F3F3F;
    margin: 5px 3px;
}

.zhufeng-video-share {
    width: 225px;
}

.rightTit {
    color: #494949;
    font-size: 18px;
    width: 100%;
    height: 60px;
    line-height: 60px;
    border-bottom: 1px solid #ccc;
    margin-top: 20px
}

.zhufeng-video-share ul {
    list-style: none;
    width: 100%;
    margin: 0;
    padding: 0;
}

.zhufeng-video-share ul li {
    width: 100%;
    line-height: 40px;
    font-size: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-bottom: 1px solid #ebebeb;
    padding-left: 10px
}

.zhufeng-video-share ul li a {
    color: #424242;
    text-decoration: none
}

.zhufeng-video-share ul li a:hover {
    color: #F35B25;
}

/*尾部样式*/
.course-end {
    width: 100%;
    height: 270px;
    background: #2e2e2e;
    boder-bottom: 2px solid black;
    box-shadow: 0px -1px 1px black inset
}

.course-tail {
    width: 100%;
    background: #212121;
    boder-bottom: 2px solid #ccc;
    box-shadow: 0px 1px 1px #484747 inset
}

.course-end-inset {
    width: 1000px;
    margin: 0 auto;
    padding-top: 40px;
}

.course-end-inset1 {
    width: 1000px;
    margin: 0 auto;
    padding-top: 15px;
    color: #ccc;
    font-size: 14px;
    text-align: center;
    padding-bottom: 15px;
}

.course-end-inset1 p {
    margin: 5px 0;
}

.course-end-inset-left {
    float: left;
    width: 700px;
    height: 230px;
}

.course-end-inset-left li {
    list-style: none;
    width: 140px;
    text-align: center;
    float: left;
    font-size: 14px;
    color: white
}

.course-end-inset-left li p {
    font-size: 16px;
    height: 30px;
    text-shadow: 2px 2px 2px black
}

.end-inset-left-ul li {
    list-style: none;
    width: 140px;
    height: 40px;
    text-align: center;
    float: left;
    color: #ccc;
    text-shadow: 2px 2px 2px black;
    text-aligin: center
}

.end-inset-left-ul li a {
    color: #ccc;
    text-decoration: none
}

.end-inset-left-ul {
    width: 140px;
}

.end-share {
    float: left;
    width: 290px;
    height: 230px;
    text-align: center
}

.end-share-circle-silgle {
    position: relative;
    width: 45px;
    height: 45px;
    cursor: pointer;
    border-radius: 50px;
    display: block;
    float: left;
    margin: 0 10px
}

.end-share-circle {
    margin-left: 14px
}

.end-img-weibo {
    display: block;
    background: url("../images/icon-end-01.png") no-repeat;
    background-position: -3px -4px;
    width: 25px;
    height: 25px;
    margin-left: 11px;
    margin-top: 11px
}

.end-img-wechat {
    position: absolute;
    z-index: 1;
    display: block;
    background: url("../images/icon-end-01.png") no-repeat;
    background-position: -46px -4px;
    width: 25px;
    height: 25px;
    margin-left: 11px;
    margin-top: 11px
}

.end-img-apple {
    display: block;
    background: url("../images/icon-end-01.png") no-repeat;
    background-position: -98px -4px;
    width: 25px;
    height: 25px;
    margin-left: 11px;
    margin-top: 11px
}

.end-img-andior {
    display: block;
    background: url("../images/icon-end-01.png") no-repeat;
    background-position: -136px -4px;
    width: 25px;
    height: 25px;
    margin-left: 11px;
    margin-top: 11px
}

.wechat-img {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0
}

.triangle {
    position: absolute;
    left: 68px;
    bottom: -10px;
    display: block;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #fff;
}

.silgle1 {
    background: #e83d2c;
    text-align: center;
}

.silgle2 div:nth-child(1) {
    position: absolute;
    width: 160px;
    height: 160px;
    z-index: 2;
    left: -57px;
    bottom: 57px;
    -webkit-transition: all .3s ease-in;
    -moz-transition: all .3s ease-in;
    -o-transition: all .3s ease-in;
    transition: all .3s ease-in;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
    -webkit-transform-origin: center bottom 0;
    -moz-transform-origin: center bottom 0;
    -o-transform-origin: center bottom 0;
    transform-origin: center bottom 0;
}

.silgle2:hover div:nth-child(1) {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
}

.silgle2 {
    background: #7cb132;
    text-align: center
}

.silgle3 {
    background: #54b3e8;
    text-align: center
}

.silgle3 div:nth-child(1) {
    position: absolute;
    width: 160px;
    height: 160px;
    z-index: 2;
    left: -57px;
    bottom: 57px;
    -webkit-transition: all .3s ease-in;
    -moz-transition: all .3s ease-in;
    -o-transition: all .3s ease-in;
    transition: all .3s ease-in;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
    -webkit-transform-origin: center bottom 0;
    -moz-transform-origin: center bottom 0;
    -o-transform-origin: center bottom 0;
    transform-origin: center bottom 0;
}

.silgle3:hover div:nth-child(1) {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
}

.silgle4 {
    background: #f3b760;
    text-align: center
}

.silgle4 div:nth-child(1) {
    position: absolute;
    width: 160px;
    height: 160px;
    z-index: 2;
    left: -57px;
    bottom: 57px;
    -webkit-transition: all .3s ease-in;
    -moz-transition: all .3s ease-in;
    -o-transition: all .3s ease-in;
    transition: all .3s ease-in;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
    -webkit-transform-origin: center bottom 0;
    -moz-transform-origin: center bottom 0;
    -o-transform-origin: center bottom 0;
    transform-origin: center bottom 0;
}

.silgle4:hover div:nth-child(1) {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
}

.zf-video {
    width: 1000px;
    margin: 0 auto 20px;
    background: #000;
}

.videoTit {
    width: 1000px;
    margin: 0 auto 25px;
    height: 25px;
    font-size: 20px;
    color: #333;
    font-weight: bold;
}

.obx-video {
    width: 1000px;
    margin: 0 auto;
}

.obx {
    padding: 15px 0 0 0;
    display: block;
    margin: 0 auto;
    background: #000;
}

.sub-nav {
    width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
}

.sub-nav a {
    text-decoration: none;
    display: inline-block;
    font-size: 12px;
    height: 20px;
    line-height: 20px;
    color: #999;
}

.sub-nav a:after {
    margin: 0 10px;
    width: 6px;
    height: 11px;
    display: inline-block;
    content: "";
    background: url(../images/subnavi.png) 0 0 no-repeat;
}

.sub-nav a.active {
    color: #333;
    font-size: 13px;
}

.sub-nav a.active:after {
    background: none;
}