::-webkit-scrollbar {
    width: 6px;
    height: 6px;
    background: #efefef;
}

::-webkit-scrollbar-thumb {
    -webkit-box-shadow: inset 0 0 16px #c1c1c1;
}

.sub-nav {
 padding: 18px 0;
 color: #7a7b85;
}

.sub-nav a:nth-child(1) {
 color: #7a7b85;
}

.sub-nav a:nth-child(2) {
 color: #C3C4C4;
}

.sub-nav>a:hover {
 color: #FF793F;
 text-decoration: underline;
}

#column-1 {
 background-color: #20212D;
 margin-bottom: 30px;
 padding-bottom: 60px;
}

.column-1-title {
 color: #fff;
 font-size: 18px;
 line-height: 18px;
 padding-bottom: 18px;
}

/* 视频-s */
.my-video {
 padding-right: 0;
}

.prism-player {
 height: 557px !important;
}

.my-video-list {
 background-color: #000;
}

.my-video-list>h2 {
 font-size: 16px;
 color: #fff;
 height: 45px;
 line-height: 45px;
 padding: 0 20px;
 border-bottom: 1px solid #292A34;
}

.vod-box {
 overflow-y: auto;
 height: 511px;
 padding-bottom: 20px;
}

.vod-title {
 padding: 20px;
 padding-bottom: 0;
}

.vod-list {
 color: #fff;
 display: block;
}

.vod-list:hover {
 color: #FF793F;
}

.vod-list.on {
 color: #FF793F;
 font-size: 14px;
 line-height: 14px;
}

/* 视频-e */
#column-2 {}

#column-2 .sub-menu {
 padding: 0 34px 0px 34px;
 border-bottom: 1px solid #eee;
 background-color: #fff;
}

#column-2 .sub-menu>a {
 color: #333;
 display: inline-block;
 margin-right: 46px;
 font-size: 16px;
 height: 52px;
 line-height: 52px;
}

#column-2 .sub-menu .on {
 color: #ff7c2c;
 border-bottom: 1px solid #ff7c2c;
}

#column-2 .sub-menu>a:hover {
 color: #ff7c2c;
 border-bottom: 1px solid #ff7c2c;
}

#column-3 {
 background-color: #fff;
}

#column-3>h2 {
 color: #333;
 padding: 0 34px 0px 34px;
 font-size: 16px;
 height: 52px;
 line-height: 52px;
 margin: 0;
 border-bottom: 1px solid #eee;
}

.column-3-content {
 padding: 0 14px 20px;
}

.column-3-single {
 padding: 15px 20px;
 border-bottom: 1px solid #eee;
}

.column-3-single:hover .column-3-title {
 color: #ff7c2c;
}

.column-3-single:last-child {
 border-bottom: none;
}

.column-3-img {
 margin-bottom: 10px;
}

.column-3-img img {
 display: none;
 height: 160px;
 width: 292px;
}

.column-3-title {
 white-space: nowrap;
 overflow: hidden;
 text-overflow: ellipsis;
 color: #333;
}

/* 主体内容-s */
#sub-menu-main {
 padding: 24px 34px 101px 34px;
 margin-bottom: 28px;
 background-color: #fff;
}

#sub-menu-main>div {
 display: none;
}

#sub-menu-main>.on {
 display: block;
}

.course-message-1 {
 padding-bottom: 10px;
 max-height: 600px;
 overflow-y: auto;
}

.course-message-single {
 margin-bottom: 22px;
}

.course-message-name {
 font-size: 14px;
 color: #757575;
 margin-bottom: 15px;
}

.course-message-name>span {
 font-size: 12px;
 color: #aaa;
 vertical-align: bottom;
 margin-left: 14px;
}

.course-message-comment {
 border-radius: 10px;
 padding: 15px 16px 22px;
 background-color: #F5F6F7;
 color: #333;
 font-size: 14px;
 line-height: 30px;
 letter-spacing: 1px;
 position: relative;
 word-break: break-all;
}

.course-message-comment:before {
 content: " ";
 background-color: #F5F6F7;
 position: absolute;
 width: 20px;
 height: 20px;
 top: -3px;
 transform: rotate(135deg);
}

.course-reply-single {
 margin-bottom: 22px;
}

.course-reply-name {
 font-size: 14px;
 color: #757575;
 margin-bottom: 15px;
 text-align: right;
}

.course-reply-name>span {
 font-size: 12px;
 color: #aaa;
 vertical-align: bottom;
 margin-left: 14px;
}

.course-reply-comment {
 border-radius: 10px;
 padding: 15px 16px 22px;
 background-color: #e6e6e6;
 color: #333;
 font-size: 14px;
 line-height: 30px;
 letter-spacing: 1px;
 position: relative;
 word-break: break-all;
}

.course-reply-comment:before {
 content: " ";
 background-color: #e6e6e6;
 position: absolute;
 width: 20px;
 height: 20px;
 top: -3px;
 right: 20px;
 transform: rotate(135deg);
}

.course-message-2-solid {
 border-bottom: 1px solid #eee;
}

.course-message-3 {
 padding-top: 30px;
}

.course-message-3 h2 {
 font-size: 15px;
 color: #333;
 font-weight: 700;
 height: 58px;
 line-height: 58px;
}

.course-message-my-comment>textarea {
 width: 100%;
 min-height: 184px;
 padding: 10px;
 border: 1px solid #eee;
 color: #333;
 word-break: break-all;
 outline: none;
}

.course-message-3-count {
 height: 28px;
 line-height: 28px;
 font-size: 14px;
 color: #333;
 text-align: right;
 margin-bottom: 10px;
}

.course-message-3-num {
 color: #ff7c2c;
}

.course-message-3-submit {
 text-align: right;
}

.course-message-3-submit>i {
 color: #757575;
 font-style: normal;
 cursor: pointer;
}

.course-message-3-submit>i>em {
 width: 16px;
 height: 16px;
 display: inline-block;
 background-color: #F5F6F7;
 margin-right: 6px;
 border-radius: 50%;
 vertical-align: middle;
 border: 1px solid #eee;
}

.course-message-3-submit>i>.on {
 background-color: #ff7c2c;
}

.course-message-3-submit>span {
 cursor: pointer;
 height: 30px;
 line-height: 30px;
 display: inline-block;
 width: 78px;
 text-align: center;
 color: #fff;
 font-size: 14px;
 border-radius: 5px;
 background-color: #ff7c2c;
 margin-left: 20px;
}

.course-message-3-submit>span:hover {
 box-shadow: 5px 10px 15px #e8eaec;
 transform: translateY(-1px);
}

.course-message-login {
 width: 100%;
 height: 90px;
 border: 1px solid #ff763d;
 border-radius: 7px;
 position: relative;
}

.course-message-login-msg {
 position: absolute;
 left: 50%;
 width: 120px;
 margin-left: -60px;
 height: 48px;
 line-height: 24px;
 top: 20px;
 text-align: center;
}

#time-mask {
 position: absolute;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background-color: rgba(0, 0, 0, .7);
 z-index: 9999;
 color: #fff;
 text-align: center;
 display: none;
}

.time-main {
 position: absolute;
 top: 50%;
 left: 36%;
 width: 50%;
 transform: translate(-50%, -50%);
}

.time-tips {
 font-size: 14px;
 font-weight: bold;
 letter-spacing: 1px;
}

.time-tips>span {
 color: #ff7c2c;
 font-size: 16px;
 margin-right: 5px;
 display: inline-block;
}

.time-tips i {
 font-style: normal;
}

.time-btn-box {
 padding-top: 10px;
}

#memory-mask {
 position: absolute;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background-color: rgba(0, 0, 0, .7);
 z-index: 9999;
 color: #fff;
 text-align: center;
 display: none;
}

.memory-main {
 position: absolute;
 top: 50%;
 left: 36%;
 width: 50%;
 transform: translate(-50%, -50%);
}

.memory-tips {
 font-size: 14px;
 font-weight: bold;
 letter-spacing: 1px;
}

.memory-tips>span {
 color: #ff7c2c;
 font-size: 16px;
 margin: 0 5px;
 display: inline-block;
}

.memory-btn-box {
 padding-top: 10px;
}

#memory-ok {
 margin-right: 10px;
 cursor: pointer;
}

#memory-no {
 cursor: pointer;
}

/* 主体内容-e */