@charset "gb2312";/* CSS Document */ #header .headerBg{background-color:#000000;}#header .headerBg{background-image:none;}#header .headerBg{background-position:left top;}#header .headerBg{background-repeat:no-repeat;}#nav {opacity:1;}#tool_menu {background-color:#0e74cf;}#tool_menu {background-image:none;}#tool_menu {background-position:left top;}#tool_menu {background-repeat:no-repeat;}