.header{width:100%;height:100px;background:#fff;line-height:100px}.header_l{padding-left:160px}.header_z{}.header_z ul li{float:left;padding:0 24px}.header_z ul li a{font-size:16px;font-weight:400;font-stretch:normal;line-height:48px;color:#333;position:relative}.header_z ul li a .underline{position:absolute;top:35px;left:0;width:0;height:2px;background:url(../images/bg1.jpg) repeat-x;transition:all .4s ease-in-out 0s}.header_z li a:hover .underline,.header_z li.active a .underline{width:100%}.header_r{padding:0 160px 0 45px}.header_r ul li{float:left;padding:0 30px 0 26px;position:relative}.header_r ul li:after{content:'';position:absolute;top:42px;right:0;width:1px;height:16px;background:#999}.header_r ul li:last-child:after{content:none}@media(max-width:1599px){.header_l{padding-left:60px}.header_z ul li{padding:0 15px}.header_z{margin-right:60px}.header_r ul li{padding:0 25px 0 20px}.header_r{padding:0 60px 0 30px}}@media(max-width:1265px){.header_l{padding-left:20px}.header_z{margin-right:20px}.header_z ul li{padding:0 7px}.header_r ul li{padding:0 20px}.header_r{padding:0 6px}}