*{font-size: 16px;}
body a{color: #333; outline: none; text-decoration: none;}

.img img{width: 100%;}
.page{text-align: center;}

.header {
    height: 78px;
    line-height: 78px;
    background: #fff;
    border-bottom: 2px solid #f1f1f1;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    clear: both;
    overflow: hidden;
    box-shadow: 0px 2px 16px 0px rgba(158, 177, 248, 0.16);
}


.header .logo {
    float: left;
}
.header .logo img {
    vertical-align: middle;
    margin-bottom: 3px;
    height: 54px;
}
.header .nav {
    float: left;
     margin-left: 40px;
}
.header .nav ul li {
    float: left;
    margin-left: 60px;
    font-size: 16px;
    color: #222;
}
.header .nav ul li a {
    display: block;
    color: #222;
     height: 76px;
}
.header .nav ul li.on a, .header .nav ul li a:hover {
    color: #2449cc;
    height: 76px;
    border-bottom: 2px solid #2449cc;
}

.header .search input{float: left; height: 34px; padding-left: 26px; width: 200px; border: 0px; outline: none; text-decoration: none;}
.header .search button{ border-radius: 34px; width: 58px; height: 34px; background: #2449cc;  color: white; outline: none; float: left; border: 0px;}
.header .search{border: 1px solid #2449cc; border-radius: 34px; float: right; overflow: hidden; margin-top: 23px; margin-left: 20px;}
.header .search img{height: 20px; margin-top: 6px;}

.pagcon{width: 1200px; margin: 0 auto; position: relative;  z-index: 90; clear: both; overflow: hidden; padding-bottom: 10px;}
.pagcon .pagnav ul{padding: 18px 10px;}
.pagcon .pagnav{
    position: relative; box-sizing: border-box; z-index: 1; width: 237px; background: white;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    box-shadow: 0px 2px 16px 0px rgba(189, 209, 247, 0.4);
    margin-left: 6px;
    float: left;

}
.lban{float: left; width: 716px; height: 346px; margin-top: 20px; margin-left: 20px; overflow: hidden; border: 10px solid white; border-radius: 20px;box-shadow: 0px 2px 16px 0px rgba(189, 209, 247, 0.4);}

.lban img{width: 100%;}

.lobox{
    float: left; width: 180px; margin-top: 20px; border-radius: 10px; background: white; margin-left: 20px; text-align: center;
    box-shadow: 0px 2px 16px 0px rgba(189, 209, 247, 0.4);
    box-sizing: border-box;
    padding: 62px 20px;
}
.lobox img{width: 90px; height: 90px; margin: 50px auto; display: block;}
.lobox a{ width: 100%;  height: 34px; border-radius: 34px; line-height: 34px; color: white; background: #2449cc; display: block;}

.pagcon .pagnav ul li{color: white; padding: 0px 10px; }
.pagcon .pagnav ul li h3{font-size: 16px; font-weight: normal; clear: both; overflow: hidden; color: #303339;}
.pagcon .pagnav ul li a{margin-right: 10px;  display: inline-block; line-height: 30px; color: white; font-size: 14px; color: #909399;}
.pagcon .pagnav ul li p{overflow: hidden; height: 30px; margin-left: 30px;}

.pagcon .pagnav ul li h3 img{float: left; height: 22px; margin-right:10px; width: auto; margin-top: 4px; position: relative;}
.pagcon .pagnav ul li h3 span{float: left; line-height: 30px;}

.class_nav ul li{clear: both; overflow: hidden; padding: 10px 8px; border-bottom: 1px dashed #dcdcdc; }
.class_nav ul li span{float: left; font-size: 18px; font-weight: bold; line-height: 30px; width: 100px;}
.class_nav ul li .span{float: left;}
.class_nav ul li .span a{display: inline-block; padding: 0 10px; line-height: 30px;}
.class_nav ul li .all{float: left; height: 30px; line-height: 30px; padding: 0px 10px; color: #2380fb; }
.class_nav{margin-top: 30px;}
.class_nav ul li .span a.on{background: linear-gradient(90deg,#27a3ff,#2380fb); color: white; border-radius: 4px;}

.page_num ul li h2 span{font-size: 40px;}
.page_num ul li h2 font{font-size: 20px;}
.product{
	clear: both; overflow: hidden; width: 1200px; margin:0 auto; padding: 8px; box-sizing: border-box;
	font-size: 16px;
}

.product .product-detail{
	width: 800px;
    background: #fff;
    float: left;
    margin-top: 30px;
    margin-bottom: 30px;
    padding: 20px 0;
    box-shadow: 0 0 12px rgb(0 0 0 / 30%);
}

.product .tit{
	background: url(../images/tit-bg.png) no-repeat 0; 
	width: 200px;
    height: 40px;
    line-height: 40px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    text-indent: 1em;
}

.product .product-detail .dbox{padding: 20px 30px; line-height: 1.6; box-shadow: none;}
.product .product-detail .dbox h3{ 
	padding: 10px 0 10px 0;
    font-size: 22px;
    color: #414141;
}
.product .product-detail .dbox span{margin-right: 18px;}

.flex{
	display: flex; justify-content: space-between;
}

.video{
    padding: 40px 0px;
    background: url(../images/player-bg.png) no-repeat;
    color: white;
}
.video .addr{
    width: 1200px; margin: 0 auto;clear: both;  z-index: 800; position: relative;
}
.video .addr span{float: left; padding: 10px; margin-bottom: 20px; }

.video .addr .sel{float: left; width: 400px; position: relative; }
.video .addr .sel strong{padding: 10px; float: left;}
.video .addr .sel img{float: left; width: 20px; margin-top: 10px;}

.video .addr ul{ position: absolute; display: none; background: rgba(42, 85, 218, 0.8); width: 100%; line-height: 2; top: 40px; left: 0px; z-index: 999; }
.video .addr ul li{padding: 10px 10px;}
.video .addr ul li p{margin-bottom: 10px; font-size: 18px;}
.video .addr ul li dl dd{display: inline-block; padding:2px 10px; cursor: pointer; margin-bottom: 6px; border-radius: 10px; background: rgba(255,255,255,0.5); margin-left: 10px;}
.video .addr ul li dl dd:hover{background: linear-gradient(90deg,#27a3ff,#2380fb);}
.video .addr .sel:hover ul{display: block;}

.video .videobox{width: 1200px; margin: 0 auto; clear: both; overflow: hidden; background: #1b1b1b;}
.video .videobox .vbox{float: left; position: relative; width: 900px; height: 560px; overflow: hidden;}
.video .videobox .vbox iframe{width: 100%; height: 100%; border: 0px; outline: none; overflow: hidden;}
.video .videobox .vbox iframe #player{height: 100vh;}
.video .videobox .mulu{float: left; line-height: 2; width: 300px; height: 560px; overflow: auto;}
.video .videobox .mulu .mitem span{cursor: pointer; display: block;} 
.video .videobox .mulu .mitem span font{display: inline-block; border: 1px solid #2380fb; font-size: 10px; border-radius: 20px; color: #2380fb; padding: 0 4px; line-height: 1.2; margin-left: 4px;}

.video .videobox .mulu .aitem img{float: left; width: 12px; margin-right: 8px; margin-top: 10px;}
.video .videobox .mulu .aitem{padding-top: 14px;padding-left: 28px; color: rgba(255, 255, 255, 1);}

.video .videobox .mulu .bitem img{float: left; width: 12px; margin-right: 8px; margin-top: 10px; }
.video .videobox .mulu .bitem{padding-top: 14px;padding-left: 28px; display: none; color: rgba(255, 255, 255, 0.8)}

.video .videobox .mulu .citem img{float: left; width: 12px; margin-right: 8px; margin-top: 10px;}
.video .videobox .mulu .citem{padding-top: 14px; padding-left: 28px; display: none; color: rgba(255, 255, 255, 0.6)}
.video .videobox .mulu .iitem span.on{color: #fd6e22;}


.price{width: 1200px; margin: 0 auto; text-align: right; clear: both; overflow: hidden; margin-top: 20px}
.price big{font-size: 36px; color: #f4491b; font-weight: bold; float: right; line-height: 40px;}
.price a{
    border: none;
    background: linear-gradient(90deg,#fd6e22,#fd3416);
    width: 180px;
    border-radius: 40px;
    height: 40px;
    display: inline-block;
    text-align: center;
    line-height: 40px;
    float: right;
    margin-left: 18px;
    color: white;
}

.fixfoot{position: fixed;  z-index: 99999; clear: both; overflow: hidden; bottom: 0px;left: 0; width: 100%; height: 80px; box-sizing: border-box; padding: 20px 0px; box-shadow: 2px 2px 12px #ddd; background: white;}
.fixfoot .price{margin: 0 auto;}
.fixfoot .price img{float: left; height: 40px;}

.video-wrapper[data-v-45acb1b9] {
    position: relative;
    height: 100%;
    width: 100%;
}

#player{
    width: 100%;
    height: 500px;
}
.pv-video-player{
    height: 500px !important;
}

.product-sider{
    width: 370px;
    float: right;
    background: #fff;
    margin-top: 30px;
    padding: 20px 0;
    box-sizing: border-box;
    box-shadow: 0 0 5px rgb(0 0 0 / 10%);
}

.teacher-item {
    position: relative;
    width: 350px;
    padding: 5px 10px;
}

.teacher-item .teacher-info{
    width: 280px;
    margin: 0 auto;
    display: flex;
    align-items: flex-end;
}
.teacher-item .teacher-info .teacher-img, .teacher-item .teacher-info .teacher-img img{
    width: 120px;
    height: 160px;
}
.teacher-item .teacher-info .teacher-name{
    margin-left: 10px;
    text-align: left;
}
.teacher-item .teacher-info .teacher-name{
    margin-left: 10px;
    text-align: left;
}

.teacher-item .teacher-info .teacher-name .remark{
    display: block;
    width: 120px;
    background: linear-gradient(90deg,#349fee,#7098f9);
    padding: 3px 10px;
    color: #fff;
    font-size: 16px;
    border-radius: 4px;
}

.teacher-item .teacher-intro{
    margin: -100px auto 0 auto;
    padding: 120px 20px 20px 20px;
    width: 280px;
    background-color: #f9f9f9;
    border-radius: 4px;
}
.teacher-item .teacher-intro h5:before {
    content: " ";
    position: absolute;
    display: block;
    width: 12px;
    height: 12px;
    background: linear-gradient(90deg,#349fee,#7098f9);
    border-radius: 10px;
    left: 0;
    top: 5px;
}
.teacher-item .teacher-intro h5:after {
    content: " ";
    position: absolute;
    display: block;
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 10px;
    left: 3px;
    top: 8px;
}
.teacher-item .teacher-intro h5{
    position: relative;
    font-size: 16px;
    color: #666;
    padding-left: 20px;
}

.teacher-item .teacher-intro p{
    display: block;
    padding: 5px 5px 10px 20px;
    color: #666;
    font-size: 16px;
}



.swiper-button-next, .swiper-button-prev{
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid #ccc;
    border-radius: 2px;
    background-color: #fff;
    text-align: center;
    outline: none;
    padding-top: 1px;
}

.swiper-button-next:after, .swiper-container-rtl .swiper-button-prev:after {
    content: "next";
}
.swiper-button-prev:after, .swiper-container-rtl .swiper-button-next:after {
    content: "prev";
}
.swiper-button-next:after, .swiper-button-prev:after {
    font-size: 12px;
    color: #999;
}
.swiper-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: flex;
    transition-property: transform;
    box-sizing: content-box;
}

.swiper-button-next {
    top: 30px;
    right: 12px;
}
.swiper-button-prev{
    top: 30px;
    left: 282px;
}

.login{padding: 0px 20px; tborder-radius: 100px; color: #303339; float: right; display: inline-block; height: 30px; line-height: 30px; margin-top: 25px; margin-left: 60px}
.useritem{padding: 0px 20px; background: linear-gradient(90deg,#27a3ff,#2380fb); border-radius: 100px; color: white; float: right; display: inline-block; height: 30px; line-height: 30px; margin-top: 25px; margin-left: 60px}
.loginout{padding: 0px 20px; color: #333; border: 1px solid #333; border-radius: 100px;float: right; display: inline-block; height: 30px; line-height: 30px; margin-top: 25px; margin-left:10px}
.has{float: right; }
.has.on{display: inline-block;}

.wrap{width: 1200px; margin: 0 auto}
.loginbox{width: 100%; height: 100%; display: none; background: rgba(0,0,0,0.5); position: fixed; left: 0px; top: 0px; z-index: 999}
.loginbox .box{
    width: 400px; position: fixed; left: 50%; margin-left: -200px; background: white; box-shadow: 2px 2px 2px 2px #f1f1f1; top: 100px; z-index: 999; border-radius: 10px; overflow: hidden; padding-bottom: 20px
}
.loginbox .lh{border-bottom: 1px solid #dcdcdc}
.loginbox .lh span{
    font-size: 16px; color: #333; line-height: 46px; width: 50%; display: inline-block; text-align: center; cursor: pointer;
}
.loginbox .lh span.on{border-bottom: 2px solid #2380fb; color: #2380fb}
.loginbox .form{margin-top: 20px}
.loginbox .form .inp{border:1px solid #dcdcdc; border-radius: 6px; width: 80%; margin:16px auto; 
    overflow: hidden; height: 36px;}
.loginbox .form .inp .icon img{height: 20px; margin-top: 8px}
.loginbox .form .inp .icon{float: left; width: 40px; text-align: center;}
.loginbox .form .inp input{border:0px; height: 36px; float: left; font-size: 12px; width: calc(100% - 40px); outline: none;}
.loginbox .btn{width:80%; cursor: pointer; margin:0 auto; height: 40px; background: #2380fb; color: white; text-align: center; line-height: 40px; border-radius: 10px}
.loginbox .cha{position: absolute; right: 5px; top: 5px; cursor: pointer;}
.loginbox .cha img{width: 20px}
.loginbox .inp span{overflow: hidden; float: left; line-height: 36px;  text-align: center;}

.loginbox .inp span #send{ color: #2380fb; }
.loginbox .inp.ver .verify{height: 36px; width: 80px;}
.loginbox .inp.ver input{width: calc(100% - 120px); }
.loginbox .ercode {text-align: center;}
.loginbox .ercode img{width: 60%}

.loginbox .inp.se input{width: calc(100% - 200px);}
.loginbox .inp.se span{width: 160px;}
.loginbox .inp.se span #send.none{color: #999; }

.content{width: 1200px; margin: 0 auto; padding-top: 78px;}
.orderbox{padding: 20px 0px}
.orderbox h3{font-size: 20px; font-weight: bold;}
.orderbox .product{border-radius: 10px; box-shadow: 2px 2px 12px #ccc; margin-top: 20px; padding: 10px; }
.orderbox .product .img{width: 180px; float: left; border-radius: 10px; overflow: hidden;}
.orderbox .product .txt{float: left; margin-left: 20px; margin-top: 8px; width: 60%;}
.orderbox .product .txt h4{font-size: 20px;}
.orderbox .product .txt p{font-size: 16px; margin-top: 10px;}
.orderbox .product .pri{float: right; width: auto; width: 200px; text-align: center;}
.orderbox .product big{font-size: 30px; color: #f60; margin-top: 30px; display: inline-block;}
.paybox {text-align: center; border-radius: 10px; background: white; box-shadow: 2px 2px 12px #ccc; padding: 20px 0px; width: 300px; margin: 30px auto; }
.paybox h3{font-size: 20px; font-weight: bold; text-align: center; margin-bottom: 20px;}
.paybox img{width: 200px;}
.paybox big{font-size: 30px; color: #f60; margin-top: 30px; display: block; font-weight: bold;}
.paybox a{display: inline-block; padding: 8px 20px; border-radius: 40px; background: #f60; margin: 10px 0px; color: white;}

.dbox{
    border-radius: 10px; box-shadow: 2px 2px 12px #ccc; margin-top: 20px; padding: 10px; line-height: 1.8;
}
.dbox h3{margin-top: 10px;}

.btn {text-align: right; font-size: 20px; margin-top: 20px;}
.btn a{border-radius: 10px; margin-left: 20px;}
.btn span{font-size: 20px;}

body{background: #f6f9fc;}


.footer{
	border: 0;
	padding: 0;
	box-sizing: border-box;
    background: white;
}

.footer .fbox{background: #1f2833; text-align: center; color: white;}
.footer .fbox .fb1{padding: 40px 0px; border-bottom: 1px solid #363e48;}
.footer .fbox .fb1 span{margin: 0 40px}


.footer .box{margin: 0 auto; width: 1200px;}
.footer .object_1{
	width: 1200px;
    margin: 0 auto;
    padding: 20px 0px;
}
.footer .object_1 ul{
    clear: both;
    overflow: hidden;
    padding: 20px 0px;
}
.footer .object_1 ul li{
	width: 25%;
	float: left;
}
.footer .object_1 ul li img{float: left; width: 36px; margin-right: 18px; height: 36px; margin-top: 12px;}
.footer .object_1 ul li .txt{float: left; }
.footer .object_1 ul li .txt h3{ font-size: 22px; color: #303339; }
.footer .object_1 ul li .txt p{font-size: 16px; color: #303339;}


.footer .object_1 ul li .boxa{
    display: inline-block;
    text-align: left;
}

.footer .object_1 ul li p{
    margin-top:30px;
	color: #1b1b1b;
    margin-top: 10px;
     
}
.footer .border{
    border-top: 1px solid #dcdcdc;
}
.footer .object_2{
	width: 1200px;
	
    margin: 0 auto;
}
.footer .object_2 ul{
	width: 70%;
	height: 380px;
}
.footer .object_2 ul li{
	width: 150px;
	height: 380px;
	float: left;
	
	margin-left: 12px;
	margin-top: 60px;
    text-align: center;
}

.footer .object_2 ul li a{
    display: block;
	padding-top: 5px;
	color: #1b1b1b;   
    font-size: 0.8em;
    line-height: 3;

}
.footer .object_2 ul li a:hover{
    color: #32b16c;
}
.footer .object_2 .libox{display: inline-block; text-align: left;}

.demo{
	font-size: 1.1em;
	font-weight: bold;
	text-align: left;
	margin-left: 60px;
	margin-top: -10px;
}
.demo_1{
	font-size: 1.2em;
	font-weight: bold;
}
.fixbar{position: fixed; bottom: 300px; right: 10px; z-index: 9999;}

.fixbar ul li a{width: 44px; color: white; background: #444; display: block;margin-bottom: 2px; text-align: center; padding: 4px;}

.inpbox .inp{margin-top: 20px; box-shadow: 2px 2px 12px #ccc; padding: 20px 20px; clear: both; overflow: hidden;}
.inpbox .inp label{float: left; line-height: 36px;}
.inpbox .inp input{float: left; height: 36px; border-radius: 20px; padding-left: 20px;}
.inpbox .inp  button{ float: left; height: 36px; border:0px; background: linear-gradient(90deg,#27a3ff,#2380fb); width: 80px; border-radius: 20px; color: white; margin-left: 10px; line-height: 36px;}

.contxt{padding: 20px 20px;box-shadow: 2px 2px 12px #ccc;  margin-top: 30px; border-radius: 20px; line-height: 2; }
.contxt img{width: 200px; height: 200px;}
::-webkit-scrollbar {width:6px;}
/* 滚动槽 */
::-webkit-scrollbar-track {-webkit-box-shadow:inset006pxrgba(0,0,0,0.3);border-radius:10px;}
/* 滚动条滑块 */
::-webkit-scrollbar-thumb {border-radius:10px;background:rgba(42, 85, 218, 0.8);-webkit-box-shadow:rgba(42, 85, 218, 0.8);}
::-webkit-scrollbar-thumb:window-inactive {background:rgba(42, 85, 218, 0.8);}

iframe::-webkit-scrollbar{width: 0;}


@media screen and (max-width: 300px) {
    body {
        background-color:lightblue;
    }
}
