@import url("../common.css");
@import url("../paging.css");
.header-one-right>ul>li.active>a {
    color: #FFFFFF;
}

.lecture-banner {
    background: url(../../img/lecture/banner.png) center center no-repeat;
    background-size: cover;
}

.banner-con {
    width: 100%;
    height: 450px;
    display: table;
    position: relative;
}

.banner-con>div {
    display: table-cell;
    display: table-cell;
    vertical-align: middle;
}

.banner-con>div>div {
    width: 1200px;
    margin: 0 auto;
}

.banner-con h1,
.banner-con p.ban-tit {
    font-size: 36px;
    color: #282828;
}

.banner-con p {
    width: 620px;
    color: #282828;
    font-size: 14px;
    line-height: 28px;
}

.lecture-nav {
    height: 80px;
    position: relative;
    margin-top: -80px;
    background: rgba(20, 89, 244, .25);
}

.lecture-nav:after {
    /*content: '';*/
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: #000;
    z-index: 0;
    opacity: 0.08;
}

.lecture-nav>ul {
    width: 1200px;
    margin: 0 auto;
}

.lecture-nav>ul>li {
    width: 14.2%;
    height: 80px;
    box-sizing: border-box;
    float: left;
    line-height: 80px;
    font-size: 18px;
    color: #ffffff;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, .14);
    cursor: pointer;
}

.lecture-nav>ul>li:first-of-type {
    border-left: 1px solid rgba(255, 255, 255, .14);
}

.lecture-nav>ul>li.active {
    border: none;
    background: rgba(20, 89, 244, .25);
}

.lecture-nav>ul>li:hover {
    background: rgba(20, 89, 244, .25);
}

.lecture-con {
    width: 1200px;
    height: 970px;
    margin: 40px auto 10px;
}

.lecture-con li {
    overflow: hidden;
    padding: 20px 20px 22px 20px;
    height: 162px;
    box-sizing: border-box;
    position: relative;
    cursor: pointer;
    box-shadow: 2px 2px 13px 0px rgba(32, 76, 151, 0.23);
    margin-bottom: 35px;
}

.lecture-con li:hover {
    transform: translateY(-10px);
    -webkit-transform: translateY(-10px);
    -moz-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    -o-transform: translateY(-10px);
    /*动画的过渡效果*/
    transition: all .25s ease-in;
    -webkit-transition: all .25s ease-in;
    -moz-transition: all .25s ease-in;
    -ms-transition: all .25s ease-in;
    -o-transition: all .25s ease-in;
}

.lecture-con li img {
    width: 220px;
    height: 120px;
    float: left;
    margin-right: 22px;
}

.lecture-con li div p {
    color: #282828;
    line-height: 22px;
}

.lecture-con li div {
    height: 120px;
    position: relative;
    overflow: hidden;
}

.lecture-con li div p:first-of-type {
    font-size: 18px;
    margin: 8px 0;
}

.lecture-con li div p:nth-child(2) {
    font-size: 14px;
    width: 918px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.lecture-con li div span {
    font-size: 14px;
    color: #999999;
    position: absolute;
    bottom: 5px
}

.lecture-con li:hover:before {
    width: 100%;
    left: 0;
    opacity: 0;
    /*background: blue;*/
}

.lecture-con li:hover+li:before {
    opacity: 0;
}

.lecture-con li:last-of-type:hover:after {
    opacity: 0;
}

.lecture-con li:hover a>div>p:first-of-type {
    color: #0478FC;
}

.pageBox {
    margin-bottom: 190px;
}