body,html{width:100%;100vh;overflow:hidden;background:url(../images/index/index2_bg.jpg) no-repeat center;background-size:cover;position:absolute;left:0;right:0;top:0;bottom:0; text-align:center;}
.index_mask{position: absolute;left:50%;top:50%;transform: translate(-50%,-50%);}
.index_mask .logo{margin-bottom:35px;}
.index_mask h1{text-align:center;font-size:28px;line-height:28px;color:#fff;font-weight:500;margin-bottom:50px;}
.index_mask .flex-box{font-size:0;width:1000px;}
.index_mask .flex-box a{display:inline-block;padding:25px 20px;background-color:#b2031e;border:1px solid #000;margin:0 25px;}
.index_mask .flex-box a span{display:inline-block;font-size:18px;line-height:28px;width:325px;font-weight:500;background:url(../images/index/index2_right.svg) no-repeat right center;background-size:auto 20px;color:#fff;text-align:left;}