@charset "UTF-8";
/***************首页 start************/
.header_box{
    position:relative;
    height:100vh;
}
#header.mini{top: -115px;}
/*轮播图 start*/
#banner{
    position:relative;
    width:100%;
    height:100vh;
}
#banner .swiper-container{
    width:100%;
    min-width:1400px;
    height:100vh;
    overflow:hidden;
    transform:translateZ(0); 
    -webkit-transform:translateZ(0);
}
#banner .swiper-slide>a,
#banner .swiper-slide>div{
    display: block;
    width:100%;
    height:100vh;
    transform: translateZ(0); 
    -webkit-transform: translateZ(0);
}
.banner_nav{
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
    width:1000px;
    margin:0 auto;
    text-align: center;
}
.swiper-slide .banner_nav img{
    max-width:100%;
    max-height:100%;
    object-fit:contain; 
    image-rendering: -webkit-optimize-contrast;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0); 
}
.banner_nav span{
    position:relative;
    display:block;
    width:180px;
    height:46px;
    line-height:46px;
    background:#fff;
    border-radius:46px;
    color:#002fa7;
    font-size:18px;
    font-weight:bold;
    font-family:"宋体","SimSun";
    padding-right:20px;
    text-align: center;
    margin:30px auto 0;
    box-sizing: border-box;
}
.banner_nav span i{
    position:absolute;
    right:15px;
    top:50%;
    transform:translate(0,-50%);
    width:30px;
    height:30px;
    line-height:30px;
    background:#002fa7;
    border-radius:50%;
    color:#fff;
    text-align: center;
}
.banner_nav span.btn2{color:#e95924;}
.banner_nav span.btn2 i{background:#e95924;}
.banner_nav span.btn4{color:#de1f19;}
.banner_nav span.btn4 i{background:#de1f19;}
.banner_nav span.btn5{color:#367bf0;}
.banner_nav span.btn5 i{background:#367bf0;}
.banner_nav span.btn6{color:#f76338;}
.banner_nav span.btn6 i{background:#f76338;}
#swiper1 .swiper-pagination-bullets{ bottom:15px;}
#swiper1 .swiper-pagination-bullet{
    width:10px;
    height:10px;
    background:#fff;
    opacity:0.5;
}
#swiper1 .swiper-pagination-bullet-active{
    width:20px;
    background:#fff;
    border-radius:5px;
    opacity:1;
}
.ani{
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
/*轮播图 end*/

/*搜索框 start*/
.sy_search{
    position:absolute;
    z-index:9;
    bottom:7vh;
    left:50%;
    transform:translate(-50%,0);
    width:1000px;
    background:#fff;
    border-radius:80px;
    box-shadow: 0px 6px 19.8px 2.2px rgba(0, 47, 167, 0.3);
    padding:10px 40px 15px;
    overflow:hidden; 
    box-sizing: border-box;
}
.sy_search input{
    width:100%;
    line-height:26px;
    padding:10px;
    border:0;
    margin-bottom:5px;
    box-sizing: border-box;
}
.zy_list{
    display:flex;
    gap:15px;
    width:calc(100% - 140px);
    padding:4px 0;
    overflow:hidden;
}
.zy_list li{
    padding:0 20px;
    line-height:32px;
    background:#eff4ff;
    border-radius:32px;
    font-size:14px;
    cursor: pointer;
    transition:all 0.3s;
}
.zy_list li:hover,.zy_list li.sel{
    background:#002fa7;
    color:#fff;
}
.sousuo_btn{
    position:absolute;
    right:40px;
    bottom:15px;
    width:110px;
    height:40px;
    line-height:40px;
    background-image: -moz-linear-gradient( -40deg, #002fa7 0%, #3a64cf 56%, #527ff2 100%);
    background-image: -webkit-linear-gradient( -40deg, #002fa7 0%, #3a64cf 56%, #527ff2 100%);
    background-image: -ms-linear-gradient( -40deg, #002fa7 0%, #3a64cf 56%, #527ff2 100%);
    border-radius:40px;
    color:#fff;
    text-align: center;
}
.sousuo_btn img{vertical-align:-8px;}
.sousuo_btn:hover{
    color:#fff;
    opacity:0.9;
}
/*搜索框 end*/

/*快速入口 start*/
#classify{
    width:100%;
    min-width:1400px;
    height:450px;
    background:#fff;
    padding:30px 0 0;
    box-sizing: border-box;
}
.classify_title{
    width:100%;
    margin-bottom:20px;
    text-align:center;
}
.classify{
    display:flex;
    flex-wrap:wrap;
    width:100%;
    gap:20px;
    margin:0 auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.classify li{
    position:relative;
    width:calc((100% - 80px)/5);
    border-radius:8px;
    text-align: center;
    overflow:hidden;
    transition: all .45s; 
}
.classify li a{
    position:relative;
    z-index:2;
    display:block;
    width:100%;
    color:#000;
    font-size:17px;
    padding:20px 0;
    text-overflow:ellipsis;
    white-space:nowrap;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.classify li img{
    width:50px;
    margin-right:10px;
}
.pink{background:#fdf7f6;}
.blue{background:#f3f9fe;}
.green{background:#edf9f7;}
.orange{background:#fff9f3;}
.purple{background:#f6f6ff;}
.classify li.pink:hover{box-shadow:0 0 10px 1.5px rgba(247, 52, 0, 0.3);}
.classify li.blue:hover{box-shadow:0 0 10px 1.5px rgba(1, 55, 170, 0.3);}
.classify li.green:hover{box-shadow:0 0 10px 1.5px rgba(20, 161, 138, 0.3);}
.classify li.orange:hover{box-shadow:0 0 10px 1.5px rgba(218, 84, 32, 0.3);}
.classify li.purple:hover{box-shadow:0 0 10px 1.5px rgba(174, 37, 204, 0.3);}
/*快速入口 end*/

/*AI学习助手 start*/
#ai_box{
    position:relative;
    width:100%;
    min-width:1400px;
    background:#f3f5fb;
    padding:40px 0 20px;
    box-sizing: border-box;
}
#ai_box .layui-container{
    position:relative;
}
#ai_box .layui-container::after{
    content:"";
    position:absolute;
    top:0;
    left:-665px;
    width:1000px;
    height:280px;
    background:url(../images/ai_first.jpg) no-repeat center right;
    border-radius:0 15px 15px 0;
}
.ai_enter{
    display:flex;
    flex-wrap:wrap;
    gap:20px;
    width:100%;
}
.ai_enter li{
    position:relative;
    width:calc((100% - 60px)/4);
    height:280px;
    background:#fff;
    border-radius:15px;
    padding:20px;
    text-align: center;
    overflow:hidden;
    transition:all 0.35s;
    box-sizing: border-box;
    cursor: pointer;
}
.ai_enter li span{
    position:absolute;
    z-index:0;
    top:0;
    left:-100%;
    width:100%;
    height:100%;
    background:url(../images/ai_tu.jpg) no-repeat center;
    background-size:100% 100%;
    transition:all 0.45s;
}
.ai_enter li:hover span{
    z-index:0;
    left:0;
}
.ai_enter li.item1{background:transparent;}
.ai_enter li.item1:hover{background:transparent;box-shadow:none;}
.ai_enter li h2{
    position:relative;
    z-index:1;
    color:#002fa7;
    font-size:18px;
    font-weight:bold;
    margin:20px 0;
}
.ai_enter li p{
    position:relative;
    z-index:1;
    line-height:1.8;
}
.ai_enter li:hover h2,
.ai_enter li:hover p{
    color:#fff;
}
.ai_enter li i{
    position:relative;
    z-index:1;
    display:block;
    width:100px;
    height:100px;
    margin:0 auto;
    transition:all 0.45s;
}
.ai_enter li.item2 i{background:url(../images/ai_tb.png) no-repeat;background-position:-100px 0;}
.ai_enter li.item3 i{background:url(../images/ai_tb.png) no-repeat;background-position:-100px -100px;}
.ai_enter li.item4 i{background:url(../images/ai_tb.png) no-repeat;background-position:-100px -200px;}
.ai_enter li.item5 i{background:url(../images/ai_tb.png) no-repeat;background-position:-100px -300px;}
.ai_enter li.item6 i{background:url(../images/ai_tb.png) no-repeat;background-position:-100px -400px;}
.ai_enter li.item7 i{background:url(../images/ai_tb.png) no-repeat;background-position:-100px -500px;}
.ai_enter li.item8 i{background:url(../images/ai_tb.png) no-repeat;background-position:-100px -600px;}
.ai_enter li.item2:hover i{background:url(../images/ai_tb.png) no-repeat;background-position:0 0;}
.ai_enter li.item3:hover i{background:url(../images/ai_tb.png) no-repeat;background-position:0 -100px;}
.ai_enter li.item4:hover i{background:url(../images/ai_tb.png) no-repeat;background-position:0 -200px;}
.ai_enter li.item5:hover i{background:url(../images/ai_tb.png) no-repeat;background-position:0 -300px;}
.ai_enter li.item6:hover i{background:url(../images/ai_tb.png) no-repeat;background-position:0 -400px;}
.ai_enter li.item7:hover i{background:url(../images/ai_tb.png) no-repeat;background-position:0 -500px;}
.ai_enter li.item8:hover i{background:url(../images/ai_tb.png) no-repeat;background-position:0 -600px;}
/*AI学习助手 end*/

/*专辑课程 start*/
.title{
    position:relative;
    width:100%;
    padding-top:30px;
    overflow:hidden;
}
.title h2{
    float:left;
    color:#000;
    font-size:24px;
    font-weight:bold;
    line-height:30px;
}
.title h2 img{
    float:left;
    margin-right:5px;
}
.title img{float:left;}
.title p{float:right; line-height:30px;}
.title p i{font-weight:bold; color:#fb6820; margin:0 2px;}
.course_blue .title p i{color:#002fa7;}

.course_box,.course{
    width:100%;
    min-width:1400px;
    overflow:hidden;
}
.new_box{
    width:100%;
    height:660px;
    background:url(../images/shelf_bg.png) no-repeat center top;
    margin:25px auto;
    padding-bottom:75px;
}
.new_box .course_list{
    padding:0 30px;
    box-sizing: border-box;
}
.new_box .course_list li{
    height:auto;
    background:transparent;
    box-shadow:none;
    padding:0;
    margin:0 20px 33px 0;
}
.new_box .course_list li:hover{box-shadow:none;}
.new_box .course_list li:nth-child(4n){margin-right:0;}
.new_box .course_list li .c_up{
    width:100%;
    height:218px;
    background:url(../images/ke_bg1.png) no-repeat center;
    background-size:100% 100%;
    padding:4px 10px 0;
    box-sizing: border-box;
}
.course_blue .course_list li .c_up{
    background:url(../images/ke_bg2.png) no-repeat center;
    background-size:100% 100%;
}
.new_box .course_list li .c_up img{
    position:relative;
    border-radius:10px;
    overflow:hidden;
    transition:all 1.2s;
}
.new_box .course_list li:hover .c_up img{
    transform:scale(1,1);
}
.new_box .course_list li .c_up i.mask{
    top:4px;
    left:10px;
    width:0;
    height:200px;
    border-radius:10px;
}
.new_box .course_list li:hover .c_up i.mask{
    width:300px;
}
.new_box .course_list li .c_down{
    padding:0;
    margin:15px 0 0;
}
.new_box .course_list .c_down h4{line-height:35px;}
.course_box .course:nth-child(even){background:#f3f5fb;}
.course_more{
    position:relative;
    display:block;
    width:180px;
    height:50px;
    line-height:50px;
    background:#fb6820; 
    border-radius:50px;
    font-size:16px;
    color:#fff;
    margin:15px auto;
    text-align:center;
    transition:all .3s ease;
    overflow:hidden;
}
.course_blue .course_more{background:#002fa7;}
.course_more:hover{
    color:#fff;
} 
.course_more::before {
    content: "";
    position: absolute;
    top: 0;
    left:-100%;
    width:100%;
    height:100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    border-radius:45px;
    transition:left 0.5s;
}
.course_more:hover::before{
    left:100%;
}
.course_more i{
    vertical-align:-1.3px;
    margin-left:5px;
    transition:all 0.3s;
}
.course_more:hover i{
    margin-left:15px;
}
.special_course .add_box{
    position: relative;
    width:100%;
    height:750px;
    background:url('../images/special_bg.png')no-repeat center;
    margin:15px 0 30px;
}
.special_course .add_box .course_list{
    padding:15px 0 0 360px;
    box-sizing: border-box;
}
.special_course .add_box .course_list li{
    width:calc((100% - 40px) / 3);
    margin:0 20px 20px 0;
}
.special_course .add_box .course_list li:nth-child(3n) {
    margin-right:0;
}
.special_course .add_box .course_list li:nth-child(4n) {
    margin-right:20px;
}
.special_course .course_more{
    position:absolute;
    left:75px;
    bottom:170px;
    background:#fff;
    color:#002fa7;
}
.special_course .course_more,.special_course .course_more:hover{color:#002fa7;}
.special_course .course_more::before {background: linear-gradient(90deg, transparent, rgba(0, 47, 167, 0.3), transparent);}
.special_course .course_more:hover::before{left:100%;}
/*专辑课程 end*/

/*产品资源量展示区 start*/
#number{
    position:relative;
    width:100%;
    min-width:1400px;
    background:url('../images/number_bg.jpg') no-repeat center;
    overflow:hidden;
    box-sizing: border-box;
}
.number_list{
    display:flex;
    width:100%;
    margin:0 auto;
}
.number_list li{
    position:relative;
    flex:1;
    text-align: center;
    overflow:hidden;
    box-sizing: border-box;
}
.number_list li a{
    display:block;
    width:100%;
    padding:25px 5px 40px;
    overflow:hidden;
    box-sizing: border-box;
}
.number_list li h2{
    width:100%;
    color:#fff;
    font-size:17px;
    font-weight:bold;
    line-height:30px;
    overflow:hidden;
    box-sizing: border-box;
}
.number_list li h2 i{
    color:#fff;
    font-size:26px;
    font-weight:bold;
    margin:0 5px;
}
.number_list li p{
    font-size:16px;
    color:#fff;
}
/*产品资源量展示区 end*/

/*名师课堂 start*/
#teacher{ 
    width:100%;
    min-width:1400px;
    height:770px;
    background:url(../images/teacher_bg1.jpg) no-repeat center top;
    padding:40px 0;
    margin:0 auto;
    overflow:hidden;
    box-sizing: border-box;
}
.teacher_title{
    margin-bottom:25px;
}
.teacher_more{
    color:#002fa7;
    background:#fff;
    margin-top:25px;
}
.teacher_more:hover{color:#002fa7;}
#teacher .teacher_more::before {
    background: linear-gradient(90deg, transparent, rgba(0, 47, 167, 0.3), transparent);
}
.carousel-container{
    position:relative;
    width:100%;
    max-width:1400px;
    padding:20px 0;
    margin:13px auto 0;
    overflow:hidden;
    box-sizing: border-box;
}
.carousel{
    display:flex;
    align-items: center;
}
.carousel-item{
    position:relative;
    flex:0 0 335px;
    height:420px;
    background:#fff;
    border-radius:10px;
    margin:0 10px;
    text-align: center;
    overflow: hidden;
    transition: all 1.5s ease; 
    box-sizing: border-box;
}
.carousel-item.center{
    z-index:2;
    flex:0 0 680px;
    height:420px;
    background:url(../images/teacher_tu.jpg) no-repeat center;
    box-sizing: border-box;
}
.teacher_img{
    width:100%;
    height:245px;
    background:#f3f5fb;
    padding:20px 20px 0;
    box-sizing: border-box;
}
.teacher_img img{
    max-width:100%;
    height:225px;
    transition: transform 0.3s;
}
.carousel-item.center .teacher_img{
    background:transparent;
    text-align: right;
}
.carousel-item.center img{
    height:400px; 
}
.teacher_nav{
    position:absolute;
    bottom:0;
    width:100%;
    height:175px;
    padding:15px 25px;
    overflow:hidden;
    box-sizing: border-box;
}
.teacher_nav h2{
    color:#002fa7;
    font-size:20px;
    font-weight:bold;
}
.teacher_nav p{
    width:100%;
    color:#333;
    font-size:14px;
    line-height:26px;
    margin-top:10px;
    text-align:justify;
    overflow:hidden;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    text-overflow:ellipsis;
    -webkit-line-clamp:4; 
}
.carousel-item.center .teacher_nav{
    background:rgba(0,33,103,0.7)
}
.carousel-item.center p{
    color:#fff;
}
.carousel-item.center h2{
    color:#fff;
    text-align:left;
}
.arrow {
    display:flex;
    justify-content:center;
    align-items:center;
    position:absolute;
    z-index:10;
    top:70px;
    width:50px;
    height:50px;
    border:2px solid #fff;
    border-radius:50%;
    user-select:none;
    cursor:pointer;
    transition:all 0.3s;
}
.arrow:hover{
    color:#002fa7;
    background:#fff;
}
.arrow-left{right:75px;}
.arrow-right{right:0;}
.arrow::after{
    content: "";
    width:12px;
    height:12px;
    border-top:2px solid #fff;
    border-right:2px solid #fff;
}
.arrow-left::after{
    transform:rotate(-135deg);
    margin-right:-6px;
}
.arrow-right::after{
    transform:rotate(45deg);
    margin-left:-6px;
}
.arrow:hover::after{
    border-top:2px solid #002fa7;
    border-right:2px solid #002fa7;
}
/*名师课堂 end*/

/*最新资源 start*/
.scroll-container{
    position:relative;
    width:100%;
    height:630px;
    background: url('../images/scroll_bg.jpg') no-repeat center;
    background-size:100% 100%;
    padding:15px 50px;
    overflow:hidden;
    box-sizing: border-box;
}
.news_title{
    margin-bottom:15px;
    text-align:center;
}
.scrolling-content{
    display:flex;
    will-change:transform;
}
.scroll-item{
    display:flex;
    flex-shrink:0;
}
.message_item{
    width:300px;
    background:#fff;
    border-radius:20px;
    box-shadow:0 0 10px 1px rgba(0,0,0,.1);
    margin:0 40px 40px 0;
    cursor:pointer;
    transition: all .5s ease-in-out;
    will-change:transform;
}
.message_item a{
    position:relative;
    display:flex;
    flex-direction:column;
    justify-content:center;
    width:100%;
    height:110px;
    font-size:15px;
    line-height:1.8;
    letter-spacing:0.5px;
    padding-left:75px;
    box-sizing: border-box;
}
.message_item p{
    color:#000;
    font-weight:bold;
    margin-bottom:3px;
}
.message_item b{ 
    color:#fb5324;
    font-weight:bold;
    margin:0 2px;
}
.message_item span{
    font-size:13px;
}
.message_item:hover p,
.message_item:hover b,
.message_item:hover span{color:#fff;}
.message_item .icon{
    position:absolute;
    left:0;
    top:50%;
    transform:translate(0,-50%);
    width:80px;
    height:80px;
    background-size:cover;
    transition:transform 0.36s;
}
.message_item:hover{
    background:#002fa7;
    box-shadow:0 0 15px 2px rgba(255,255,255,.5);
}
.new_shipin{background:url('../images/new_shipin.png') no-repeat center;}
.new_zhenti{background:url('../images/new_zhenti.png') no-repeat center;}
.new_moni{background:url('../images/new_moni.png') no-repeat center;}
.new_tupu{background:url('../images/new_tupu.png') no-repeat center;}
.new_biji{background:url('../images/new_biji.png') no-repeat center;}
.new_ziliao{background:url('../images/new_ziliao.png') no-repeat center;}
.new_dagang{background:url('../images/new_dagang.png') no-repeat center;}
.message_item:hover .new_shipin{background:url('../images/new_shipin2.png') no-repeat center;}
.message_item:hover .new_zhenti{background:url('../images/new_zhenti2.png') no-repeat center;}
.message_item:hover .new_moni{background:url('../images/new_moni2.png') no-repeat center;}
.message_item:hover .new_tupu{background:url('../images/new_tupu2.png') no-repeat center;}
.message_item:hover .new_biji{background:url('../images/new_biji2.png') no-repeat center;}
.message_item:hover .new_ziliao{background:url('../images/new_ziliao2.png') no-repeat center;}
.message_item:hover .new_dagang{background:url('../images/new_dagang2.png') no-repeat center;}
/*最新资源 end*/

/*右侧固定导航 start*/
.right_btn{
    position:fixed;
    z-index:9997;
    right:15px;
    top:50%;
    transform:translate(0,-50%);
    width:90px;
    background:#fff;
    border-radius:8px;
    box-shadow: 0px 0px 10px 1px rgba(0, 0, 0, 0.1);  
    overflow:hidden;
    display:none;
}
.right_btn.fold{
    width:60px;
    height:60px;
    border-radius:50%;
    box-shadow: 0px 0px 10px 1px rgba(0, 47, 167, 0.15);  
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    text-align:center;
    cursor:pointer;
}
.right_btn.unfold{
    width:90px;
    height:auto;
    border-radius:8px;
}
.right_btn.fold .right_list{
    display:none;
}
.right_btn.unfold .right_dot{
    display: none;
}
.right_dot{
    width:100%;
    height:100%;
    align-items: center;
    transition: all 0.2s;
}
.right_dot:hover{
    transform:scale(1.05);
}
.right_btn .item{
    position:relative;
    display:block;
    width:100%;
    padding:7px 10px;
    text-align: center;
    cursor: pointer;
    transition:all 0.3s;
    overflow:hidden;
    box-sizing: border-box;
}
.right_btn .item span{
    display:block;
    font-size:14px;
    line-height:1.7;
}
.right_btn .item::after {
    content: '';
    position: absolute;
    left:50%;
    bottom:0;
    transform: translate(-50%,0);
    width:calc(100% - 20px);
    height:1px;
    background:#f4f4f4;
}
.right_btn .item:first-child::after,
.right_btn .item:last-child::after{
    display:none;
}
.right_btn .item:hover,.right_btn .item.sel{
    color:#fff;
    background:#002fa7;   
}
.right_btn .layui-icon{
    position:absolute;
    right:5px;
    top:5px;
}
.right_btn i{
    display:block;
    width:40px;
    height:40px;
    background:url("../images/right_tb.png") no-repeat;
    margin:0 auto;
}
.item1 i{background-position:0 -40px;}
.item2 i{background-position:-40px 0;}
.item3 i{background-position:-80px 0;}
.item4 i{background-position:-120px 0;}
.item5 i{background-position:-160px 0;}
.item6 i{background-position:-200px 0;}
.item7 i{background-position:-240px 0;}
.item8 i{background-position:-280px 0;}
.item9 i{background-position:-320px 0;}
.right_btn .item:hover::after{display:none;}
.right_btn .item1.sel i{background-position:0 -40px;}
.right_btn .item2:hover i{background-position:-40px -40px;}
.right_btn .item3:hover i{background-position:-80px -40px;}
.right_btn .item4:hover i{background-position:-120px -40px;}
.right_btn .item5:hover i{background-position:-160px -40px;}
.right_btn .item6:hover i{background-position:-200px -40px;}
.right_btn .item7:hover i{background-position:-240px -40px;}
.right_btn .item8:hover i{background-position:-280px -40px;}
.right_btn .item9.sel i{background-position:-320px -40px;}
/*右侧固定导航 end*/
/****************首页 end***************/