.banner{background: url(../image/company.png) center;background-size: cover;width: 100%;height:250px;}

.sub-nav{max-width: 1200px;margin:auto;margin-top: 15px; font-size: 14px;color: #999;}
.sub-nav a{font-size: 14px;color: #999;margin: 0 3px;}

.catetory{max-width: 1200px;margin:auto;padding-top: 50px;padding-bottom: 20px;display: flex;flex-wrap: wrap;}
.catetory a{font-size: 16px;margin-right: 50px;margin-bottom: 30px;position: relative;font-weight: 500;}
.catetory a.atv,.catetory a:hover{-webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-image: linear-gradient(to right,#14bfcd,#2b57b8);
    color: #14bfcd;}
.catetory a.atv::before{content:'';width:100%;height:1px;background:#14bfcd;position:absolute;bottom:-6px}
.catetory a::before{content:'';width:0%;height:1px;background:#14bfcd;position:absolute;bottom:-6px;transition:all .6s}
.catetory a:hover::before{content:'';width:100%;height:1px;background:#14bfcd;position:absolute;bottom:-6px}

.content{max-width: 1200px;margin:50px auto;margin-top: 0; line-height: 30px;padding-top: 50px;border-top: 1px solid #eee;}
.content .box
,.content .box *{font-size: 15px;}
.content img{max-width: 100%!important;}
.content .title{text-align: center;line-height: 50px;}
.content .time{text-align: center;margin-top: 20px; margin-bottom: 50px;font-size: 16px;color: #999;}

/* ========== 自适应样式 ========== */
@media screen and (max-width: 1200px) {
    .catetory{margin: 0 30px 0 30px;padding-bottom: 30px;}
    .catetory a{margin-right: 20px;margin-bottom: 20px;}

    .sub-nav{padding: 0 30px;}
    .content{padding: 50px 30px 0 30px;}
}
@media screen and (max-width: 750px) {
    .catetory{margin: 0 10px 0 10px;padding-top: 30px;padding-bottom: 10px;}

    .sub-nav{padding: 0 10px;font-size: 14px;}
    .sub-nav a{font-size: 14px;}
    .content .title{font-size: 18px;line-height: 30px;}
    .content .time{font-size: 14px;margin-top: 10px;margin-bottom: 30px;}
    .content{padding: 30px 10px 0 10px;font-size: 14px;}
	.content video{width:100%;height: inherit;}
}

/* 针对IE10及以下浏览器 */
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .catetory a.atv, .catetory a:hover{background-image:none}
}