@charset "utf-8";
/* CSS Document */
@media screen and (max-width: 1300px) {
.w1170{ width:1000px;}
.dh-nav a{ font-size: 20px; color: #333; line-height: 54px; padding: 0 0 0 80px;}

.jieshao-box{ position:absolute; top: 0; left: 50%; margin-left: -500px;}

}