html, body {
    font-size: 12px;
}
body {
    color: #333;
    font-family: "Microsoft YaHei", "Microsoft Jhenghei", Arial, sans-serif;
}
*{
    margin:0px;
    padding:0px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}
.clearfix {
    clear: both;
    font-size: 0;
    line-height: 0;
}
li,a{text-decoration: none;}
a {color: #333333;}
.clearfix:after {
    content: '';
}
header {
    padding: 20px 0;
}
.header_nav {
    width: 1300px;
    margin: 0 auto;
    display: table;
}
.w1300 {
    width: 1300px;
    margin: 0 auto;
    overflow: hidden;
}
.bg-white {background-color: #fff;}
.fl {float: left}
.fr {float: right}

.swiper-container {
    width: 100%;
    height: 100%;
}
.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.flex-continer {
    width: 100%;
}

.flex {
    display: flex;
}
.justify-bettween {
    justify-content: space-between;
}
.tit {
    text-align: center;
    font-size: 24px;
    line-height: 40px;
}
.flex-column {
    flex-flow: column;
}
.margin-xs {
    margin: 10px;
}
.margin-0, .margin-no {
    margin: 0
}

.margin-5, .margin-xs {
    margin: 5px
}

.margin-10, .margin-sm {
    margin: 10px
}

.margin, .margin-15 {
    margin: 15px
}

.margin-20, .margin-lg {
    margin: 20px
}

.margin-25, .margin-xl {
    margin: 25px
}

.margin-top-5, .margin-top-xs {
    margin-top: 5px
}

.margin-top-10, .margin-top-sm {
    margin-top: 10px
}
.margin-top-25,.margin-top-lg {
    margin-top: 25px;
}
.margin-top-no {
    margin-top: 0
}
.margin-top-xsl,.margin-top-40 {
    margin-top:40px
}
.margin-top, .margin-top-15 {
    margin-top: 15px
}
.padding-xs {
    padding: 10px;
}
.class-item {
    width: 300px;
    height: 339px;
    overflow: hidden;
    position: relative;
    border-radius: 10px;
}
.class-item img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.class-item p {
    position: absolute;
    bottom: 20px;
    font-size: 24px;
    left: 10px;
    color: #fff;
}
.class-item hr {
    position: absolute;
    bottom: 10px;
    height: 3px;
    width: 30px;
    background: #fff;
    left: 10px;
}
.h-500 {
    height: 500px;
    overflow: hidden;
}
.text-center {
    text-align: center;
}
.text-normal {
    font-weight: normal;
}
.hot-class-left {
    display: inline-block;
    background-image: url('../images/1.png');
    background-size: contain;
    width: 35px;
    height: 24px;

}
.hot-class-right {
    display: inline-block;
    background-image: url('../images/2.png');
    background-size: contain;
    width: 35px;
    height: 24px;
    line-height: 40px;
}
.tit {
    display: flow;
}
.tit i {
    vertical-align: middle;
}
.studio-txt {
    position: absolute;
    width: 100%;
    text-align: center;
    height: 600px;
    color: #fff;
    font-size: 2.5rem;
    top: 200px;
    overflow: hidden;
}
.img-warp {
    position: relative;
    width: 100%;
    height: 900px;
    overflow: hidden;
}
.img-warp img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
}
.studio-txt p {
    line-height: 80px;
}
.btn-link {
    margin-top:60px;
    display: inline-flex;
    padding: 15px 80px;
    background-color: #fff;
    color: #000;
}
.btn-link i {
    font-size: 3rem;
    margin-left: 10px;
}
#team {height: 590px;}
.team-item {
    position: relative;
    height: 590px;
    border-radius: 15px
}
.team-item img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height:590px;
    border-radius: 15px
}
.team-txt {
    position: absolute;
    width: 100%;
    padding: 15px 0;
    left: 0;
    bottom: 0;
    z-index: 1;
    color: #fff;
    border-radius: 0 0 15px 15px;
    background-color: rgba(51,51,51,0.7);
}
.team-txt p {
    margin-top: 10px;
    font-size: 14px;
}
.team-txt:hover {
    -webkit-transition: all .5s ease;
    -moz-transition: all .5s ease;
    -ms-transition: all .5s ease;
    -o-transition: all .5s ease;
    transition: all .5s ease
}

.category {text-align: center;}
.category ul{overflow: hidden;margin-top: 40px;border-radius: 3px;display: inline-block;}
.category ul li{float: left; border: 1px solid #e50012; border-radius: 5px; margin: 0 5px; display: inline-block;font-size: 16px;height: 35px;line-height: 35px;width: 140px;text-align: center;position: relative; cursor: pointer;}
.category ul li:after{content: '';height: 50%; position: absolute; right: 0; top: 25%;}
.category ul li:last-child:after{border-left: none;}
.category ul li:hover{color: #fe782f;}
.category ul li.active{background:#e50012;color: #fff;}
.category ul li.active:after{border-left: none;}
.pro_content {height: auto;margin-top: 60px;display: none;}
.pro_content.active{display: block;}

.tab-slide {
    width: 20%;
    height: auto;
}
.tab-slide img{
    width: 100%;
    height: auto;
    border-radius: 15px;
}
.w1400 {
    width: 1400px;
    margin: 0 auto;
}
.xydt {
    background-image: url('../images/bg_2.png');
    background-repeat: no-repeat;
}
.news-item {
    width: 30%;
    font-size: 18px;
}
.news-item-tit {
    position: relative;
}
.news-item-tit p {
    font-size: 18px;
    font-weight: normal;
}
.news-item-tit a {
    position: absolute;
    right: 0;
    top: 15px;
    color:#e50012 ;
}
.news-tit-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    margin-bottom: 15px;
    margin-top: 15px;
}
.news-item ul li {
    list-style: none;
    line-height: 30px;
}
.news-item ul li a {
    margin-left: 10px;
}
.student-way-item li {
    position:relative;
    height: 210px;
    overflow: hidden;
}
.student-way-item {
    margin-top: 15px;
}
.student-way-item li>.news-face {
    width: 55px;
    height: 55px;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 50%;
}
.student-way-item li>.say-txt {
    position: absolute;
    left: 70px;
    height: 55px;
    font-size: 16px;
}
.student-way-item li>.say-txt>p{
    font-size: 14px;
}
.security>div {
    width: 30%;
    padding: 30px;
    text-align: center;
}
.border {
    border: 3px solid #999;
}
.icon {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background-color: #e50012;
    line-height: 120px;
}
.icon>.iconfont {
    font-size: 60px;
    color: #fff;
}
.security h3 {
    font-size: 24px;
    margin-top: 20px;
    margin-bottom: 15px;
}
.security p {
    line-height: 24px;
    font-size: 14px;
}
.security i {
    font-size: 60px;
    color:#e50012 ;
}
.mark {
    display: none;
}
.security>.wx-warp {
    position: relative;
    cursor: pointer;
}
.security>.wx-warp:hover .mark{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(153,153,153,0.5);
}
.security>.wx-warp:hover .mark>img {
    width: 180px;
    height: 180px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -90px;
    margin-top: -90px;
}

.footer {
    margin-top: 50px;
    background-color: #D7D7D7;
    padding: 50px 0;
}
.footer select {
    padding: 5px;
}
.ewm-warp {
    text-align: center;
    line-height: 24px;
}

.contact-warp {
    line-height: 24px;
}
footer {
    background-color: #666;
    color: #fff;
    text-align: center;
    line-height: 100px;
    font-size: 14px;
}
.sign-warp dl {
    display: flex;
    padding: 5px 0;
}
.sign-warp dl dd {
    width: 60px;
}
.sign-warp dl dd,.sign-warp dl dt {
    float: left;
}
.sign-warp dl dt input {
    padding: 3px;
}
.sign-warp button {
    padding: 3px 10px;
}
.video-warp>.video {
    width: 75%;
}
.video-warp>.video-list {
    width: 25%;
}
.video-warp>.video-list>ul {
    padding: 20px;
    height: 580px;
    overflow-y: auto;
}
.video-warp>.video-list>ul li {
    list-style: none;
    background-color: #f7f7f7;
    padding-bottom: 10px;
    text-align: left;
    margin-bottom: 10px;
}
.video-warp>.video-list>ul li:hover {
    box-shadow: 1px 1px 18px 0px rgba(0, 0, 0, 0.2);
}
.video-warp>.video-list>ul li:last-child {
    margin-bottom: 0;
}
.video-warp>.video-list h6 {
    padding: 10px;
    font-weight: normal;
    font-size: 16px;
}
.video-status {
    padding: 5px 10px;
    color: #999;
}
.video-warp>.video-list>ul li img {
    width: 100%;
    height: auto;
}
.video-warp>.video>video {
    width: 100%;
}
.shadow {
    box-shadow: 1px 1px 8px 0px rgba(0, 0, 0, 0.2);
}
.video-tit {
    padding: 10px 0;
    background-color:#e50012;
    font-size: 16px;
    color: #fff;
}
.video-title {
    text-align: left;
    padding: 10px;
}
.video-title>h4 {
    font-size: 18px;
}

dl,ol,ul {
    margin-bottom: unset;
}
a:hover {
    text-decoration: none;
}