.content{ height:675px;}
.contact_us{ width:370px; height:600px; padding:20px 592px 0 20px; background:url(../images/contact_1.jpg) no-repeat; font-family:"微软雅黑"; font-size:12px; line-height:30px; color:#666;}
.right_bottom{ margin:30px 32px 30px 0;}
.right_bottom a{ font-family:"微软雅黑"; font-size:12px; line-height:24px; color:#040404;}
.box_1 a{ width:44px; height:24px; background:url(../images/case_shouwei.jpg) no-repeat;}
.box_2 a{ width:58px; height:24px; background:url(../images/case_qianhou.jpg) no-repeat;}
.box_3 a{ width:26px; height:24px; background:url(../images/case_ye.jpg) no-repeat;}
.box_4{ display:block; text-align:center; margin-left:4px;}