#video1 {
    width: 100%;
    min-height: 100%;
    border: 0px solid red;
    background: black;
    object-fit: cover;
    /*video适应屏幕比例*/
}

.layout {
    max-width: 90%;
    box-sizing: border-box;
    /* padding: 0 px 40px; */
}

/* 第一屏 */
.one {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.back {
    width: 100%;
}

.back img {
    width: 100%;
}



.playbtn {
    position: absolute;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
}

.playbtn:hover {
    opacity: 0.8;
}

.playbtn img {
    width: 50px;
    height: 50px;
}

/*.opone{
    border:1px solid red;
    position:absolute;
    left:0;
    top:0;
}*/
.viback {
    background: red;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    bottom: 0;
    right: 0;
    z-index: 10000;
}

/*.video_box{
    position:relative;
    width:100%;
    height:0;
    padding-bottom:56.25%
}
.my_video{
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:100%;
    align-items:center;
    margin-top:50%;
}*/
/* 第二屏 */
.newbox {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
}

.navbtn {
    position: absolute;
    right: 30px;
    top: 30px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    z-index:9999;
}

.navbtn img {
    width: 30px;
    height: 30px;
}

.title {
    color: white;

}



.maintitle {
    font-size: 36px;
    font-weight: bold;
    position: relative;
}

.maintitle::after {
    content: '';
    height: 4px;
    width: 40px;
    background: white;
    position: absolute;
    bottom: -20px;
    right: 0;
}

.ehtitle {
    margin-top: 40px;
    font-size: 20px;
    text-align: right;
}

.title2 .maintitle::after {
    content: '';
    left: 0;
}

.title2 .ehtitle {
    text-align: left;
}

.title3 {
    text-align: center;
}

.title3 .maintitle::after {
    content: '';
    left: 50%;
    transform: translateX(-50%);
}

.title3 .ehtitle {
    text-align: center;
}

.more {
    display: inline-block;
    text-align: center;
    height: 40px;
    line-height: 40px;
    box-sizing: border-box;
    padding: 0px 20px;
    border-radius: 5px;
    border: 1px solid white;
}

.more a {
    color: white;
}

.more:hover {
    background: rgba(255, 255, 255, 0.5);
}

.moretext,
.moreicon {
    display: inline-block;
}

.moretext {
    transform: translateY(-5px);
}

.moreicon {
    width: 30px;
    transform: translateY(5px);
}

.moreicon img {
    width: 30px;
}

.newlist {
    margin-top: 60px;
}

.newleft {
    width: 50%;
    box-sizing: border-box;
    padding-right: 30px;
    position: relative;
}


.hotcon {
    box-sizing: border-box;
    padding: 15px 10px 10px 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    color: white;
}

.hotcon:hover {
    background: rgba(255, 255, 255, 0.5);
}

.hoticon {
    width: 100px;
}

.hoticon img {
    width: 100px;
}

.hottext {
    line-height: 26px;
    height: 78px;
    margin-top: 15px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size:25px;
}

.hotimg {
    width: 100%;
    margin-top: 20px;
    border-radius: 8px;
}

.hotimg img {
    width: 100%;
    border-radius: 8px;
}

.newright {
    /*    overflow: hidden;
    box-sizing: border-box;
    padding-left: 30px;
    position: relative;*/
    float: left;
    width: 47%;
    overflow: hidden;
    box-sizing: border-box;
    padding-left: 20px;
    position: relative;
}


.newright a {
    color: white;
}

.newitem {
    height: 60px;
    line-height: 60px;
    box-sizing: border-box;
    padding: 0px 15px;
    margin: 15px 0px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.newitem:hover {
    background: #0d8c0c;
}

.star {
    width: 20px;
    height: 20px;
    margin-top: 20px;
}

.star img {
    width: 20px;
    height: 20px;
}

.newtext {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-sizing: border-box;
    padding-left: 15px;
}

.newtop {
    margin-top: 0;
}

.newlast {
    margin-bottom: 0;
}

/* 第三屏 */
.little {
    margin: 60px -20px 0px -20px;
}



.prosys {
    box-sizing: border-box;
    padding: 0px 20px;
    float: left;
    width: 20%;

}

.protitle {
    background: #508cdf;
    color: white;
    text-align: center;
    height: 50px;
    line-height: 50px;
    border-radius: 5px;

}

.proicon {
    width: 22px;
    height: 22px;
    transform: translateY(5px);
    margin-right: 5px;
}

.proicon img {
    width: 22px;
    height: 22px;
}

.proicon,
.proname {
    display: inline-block;
}

.proname {
    font-weight: bold;
    font-size: 18px;
    letter-spacing: 1px;
}

.prolist {
    margin-left: -15px;
    margin-right: -15px;
    position: relative;
}

.arr {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
}

.arr img {
    width: 100%;
    height: 100%;
}

.arr:hover {
    opacity: 0.8;
}

.leftarr {
    left: -20px;
}

.leftarr2 {
    right: -20px;
}

.proitem {
    width: 25%;
    float: left;
    box-sizing: border-box;
    padding: 0px 15px;
    transition: 0.5s all;
}

.proitem:hover {
    transform: scale(1.1);
}

.proimg {
    width: 100%;
    border-radius: 10px;
}

.proimg img {
    width: 100%;
    border-radius: 10px;
}

.newblock {
    width: 100%;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    box-sizing: border-box;
    padding: 40px 15px;
}

.newblock img {
    width: 100%;
}

/* 第四屏 */
.meitem {
    width: 20%;
    color: white;
    float: left;
    background: rgba(255, 255, 255, 0.15);
    box-sizing: border-box;
    padding: 10px 10px 30px 10px;
    position: relative;
    transition: 0.5s linear;
}


.meitem2 {
    background: rgba(255, 255, 255, 0.23);
}

.meitem:hover {
    background: #0d8c0c;
    transform: scale(1.1);
    z-index: 10;
    border-radius: 5px;
}

.meimg {
    width: 100%;
    border-radius: 5px;
}

.meimg img {
    width: 100%;
    border-radius: 5px;
}

.metitle,
.meintro {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.metitle {
    margin-top: 30px;
    line-height: 28px;
    -webkit-line-clamp: 2;
    height: 56px;
}

.meintro {
    margin-top: 25px;
    font-size: 14px;
    line-height: 24px;
    -webkit-line-clamp: 3;
    height: 72px;
}

.more2 {
    width: 40px;
    height: 40px;
    margin: 30px auto 0px auto;
}

.more2 img {
    width: 40px;
    height: 40px;
}

/* 第五屏 */
.serlist {
    margin: 50px -10px 0px -10px;
}

/*.seitem {
    width: 152%;*/
/*    float: left;*/
    /*box-sizing: border-box;
    padding: 10px 10px;*/
/*    border:1px solid red;*/
/*}*/
.seitem {
    width: 50%;
    float: left;
    box-sizing: border-box;
    padding: 10px 10px;
}

/*.seinner {*/
    /* background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    box-sizing: border-box;
    padding: 20px 15px;
    transition: all 0.2s linear; */


    /*margin: auto;
    display: inline-block;*/
    /* margin: 10px; */
    /*width: 100%;
    height: auto;
    padding-top: 20%;
    position: relative;*/
    /*    background: rgba(255, 255, 255, 0.15);*/
    /*border-radius: 10px;
}*/
.seinner {
    margin: auto;
    display: inline-block;
    /* margin: 10px; */
    width: 100%;
    height: auto;
    padding-top: 50%;
    position: relative;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}

.seinner:hover {
    background: rgba(0, 0, 0, 0.2);
}

.seleimg {
    /* height: 200px; */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/新教育.jpg');
    background-size: contain;
    /*cover*/
    background-repeat: no-repeat;
    background-position: center center;
}


.seleimg2 {
    background-image: url('../img/p3.png');
}

.seleft {
    width: 30px;
    height: 30px;
    padding-right: 15px;
    border-right: 1px solid #ededed;
    float: left;
}

.seleft img {
    width: 30px;
    height: 30px;
}

.seright {
    overflow: hidden;
    box-sizing: border-box;
    padding-left: 15px;
}

.setitle {
    font-size: 18px;
    line-height: 30px;
    color: #ffd74a;
    font-weight: bold;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

.setext {
    margin-top: 20px;
    font-size: 14px;
    line-height: 26px;
    height: 78px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    color: white;
}

.bottom {
    background: #0152c5;
    box-sizing: border-box;
    padding: 20px 0px;
    color: white;
    margin-top: 10px;
    width: 100%;
    text-align: center;
    color: white;
    font-size: 13px;
    z-index: 20;
    line-height: 30px;
}

.picon {
    width: 20px;
    height: 20px;
    display: inline-block;
}

.picon img {
    width: 20px;
    height: 20px;
}

.botext {
    display: inline-block;
}

.botext2 {
    padding-bottom: 20px;
    border-bottom: 1px solid #ededed;
}

.botext3 {
    margin-top: 10px;
}

.bottomlast {
    display: none;
}

.bookpro {
    /* border: 1px solid red; */
}

.bookitem {
    margin-top: 10px;
}

.b1 {
    background: #f5f9e6;
}

.bookinner {
    width: 50%;
    float: left;
    box-sizing: border-box;
}

.bookitem2 .bookinner {
    width: 100%;
}

.b_left {
    box-sizing: border-box;
    padding-right: 5px;
}

.b_right {
    box-sizing: border-box;
    padding-left: 5px;
}

.b2 {
    background: #f5f4cb;
}

.b3 {
    background: #cbf1f2;
}

.b4 {
    background: #e9f4f0;
}

.b5 {
    background: #fce6df;
}

.bookname {
    font-size: 24px;
    box-sizing: border-box;
    padding: 20px;
}

.bookimg {
    margin-top: 10px;
    width: 100%;
}

.bookimg img {
    width: 100%;
    display: block;
}

.lastpage{
    height: fit-content;
}