@charset "utf-8"; 
.logo{height:auto;margin-top:6px}
.img_contant img{height:305px}
.hd h3 span,.hd h3 span:hover{font-size:14px}
.sf-menu li a,.sf-menu li li a{font-size:14px}
.img_contant h1{font-size:18px}
.pro-content strong{font-size:16px}
.main-im .im_main{display:block;position:relative;top:-240px}
.mm_os{display:block!important}
.acbox .ico_gt,.mm_os,.mm_os .os_x,.mm_os .osqq{width:240px}
.mm_os .os_x{background:#1d7ccf url(/images/Common3/kf_01.png) no-repeat}
.acbox{background:#c4c4c4}
.acbox .ico_gt img{display:block;margin:0 auto}
.img_contant{visibility:hidden;position:absolute}
.nav ul li{padding:0 20px}
.main.about-us{width:1000px;float:none;}