*{box-sizing: border-box;}


/* 顶部高度从新定义 */
.tqedu-head{height: 65px;}

body { background-color: #1d2564;}

.video_bg{width: 100%; height: 100%; position: absolute; left: 0; right: 0; z-index: -1;}
/* 中间 */
.video_section{width:800px; margin: 0 auto; padding-top: 80px;padding-bottom: 40px;}
.video_logo{width: 200px; margin: 0 auto; color: #fff; text-align: center;}
.video_logo img{width: 80%; display: block;margin: 0 auto;}
.video_logo p{letter-spacing:8px; }

.video_cont{width: 100%; margin-top: 40px;border: 5px solid #fff;}
.video_cont video{width: 100%; height: auto; display: block;}

.video_footer{text-align: center; color: #fff; margin-top: 50px;}




@media screen and (max-height: 750px){
	.video_section{margin-top: 15px;}
	.video_cont{margin-top: 20px;}
	.video_section{width: 700px;}
	.video_bg{height: 100% !important;}
}

@media screen and (max-width: 900px){
	.video_section{ width: 90%;}
	.video_bg{height: 100% !important;}
	
}