/*专业设备*/

.selection_b_footer_4{ width: 100%; overflow:hidden; float: left;}
.selection_b_footer_4 img.imgs1{ float: left; margin-top: -10px; margin-left:375px;}
.selection_b_footer_4 .nav{ float: left;}
.selection_b_footer_4 .nav ul{ float: right; width: 656px; height: 50px; margin-top: 20px;}
.selection_b_footer_4 .nav ul li{ float: left; width: 328px; height: 50px; text-align: center; line-height: 50px; }
.selection_b_footer_4 .nav ul li a{ width: 328px; font: normal 18px 'Microsoft YaHei'; color: #959595;}
.selection_b_footer_4 .nav ul li.li1 a{ background: url(../images/about_d_1.png) no-repeat scroll left center; padding-left: 30px; }
.selection_b_footer_4 .nav ul li.li2 a{ background: url(../images/about_d_2.png) no-repeat scroll left center; padding-left: 30px; }
.selection_b_footer_4 .nav ul li.li1 a:hover,.selection_b_footer_4 .nav ul li.li1.cur a{ background: url(../images/Aabout_d_1.png) no-repeat scroll left center; padding-left: 30px; color: #1d2088; }
.selection_b_footer_4 .nav ul li.li2 a:hover,.selection_b_footer_4 .nav ul li.li2.cur a{ background: url(../images/Aabout_d_2.png) no-repeat scroll left center; padding-left: 30px; color: #1d2088; }
.selection_b_footer_4 .nav ul li:hover,.selection_b_footer_4 .nav ul li.cur{ background: url(../images/about_c_3.png) no-repeat scroll center center;}

.selection_b_footer_4 .nav_base{ display:none; }
.selection_b_footer_4 .nav_base.cur{ display:block; }
.selection_b_footer_4 .nav_base1{ width: 100%; margin: 95px auto;}
.selection_b_footer_4 .nav_base1 table{ width: 100%; float: left;}
.selection_b_footer_4 .nav_base1 table caption{ font: normal 18px 'Microsoft YaHei'; color: #000000; height: 58px; }
.selection_b_footer_4 .nav_base1 table th{ font: normal 16px 'Microsoft YaHei'; color: #ffffff; background: #1d2088; height: 34px; width:40px;}
.selection_b_footer_4 .nav_base1 table td{ font: normal 14px 'SimSun'; color: #000000; height: 34px; text-align: center; line-height: 34px;}
.selection_b_footer_4 .nav_base1 table th.th1{ width: 50px; }
.selection_b_footer_4 .nav_base1 table th.th2{ width: 170px; }
.selection_b_footer_4 .nav_base1 table th.th3{ width: 442px; }
.selection_b_footer_4 .nav_base1 table th.th4{ width: 346px; }
.selection_b_footer_4 .nav_base1 table td.td1{ background: #eaeaea;}
.selection_b_footer_4 .nav_base1 table td.td2{ background: #ffffff; border-bottom: 1px solid #729ea5; border-right: 1px solid #729ea5;}
.selection_b_footer_4 .nav_base1 table td.td3{ background: #ffffff; border-bottom: 1px solid #729ea5; border-right: 1px solid #729ea5;}
.selection_b_footer_4 .nav_base1 table td.td4{ background: #ffffff; border-bottom: 1px solid #729ea5; border-right: 1px solid #729ea5;}

.selection_b_footer_4 .nav_base_2{ width: 100%; margin: 95px auto;}
.selection_b_footer_4 .nav_base_2 table{ width: 100%; float: left;}
.selection_b_footer_4 .nav_base_2 table caption{ font: normal 18px 'Microsoft YaHei'; color: #000000; height: 58px; }
.selection_b_footer_4 .nav_base_2 table th{ font: normal 16px 'Microsoft YaHei'; color: #ffffff; background: #1d2088; height: 34px; width:40px;}
.selection_b_footer_4 .nav_base_2 table td{ font: normal 14px 'SimSun'; color: #000000; height: 34px; text-align: center; line-height: 34px;}
.selection_b_footer_4 .nav_base_2 table td.td1{ width: 50px; }
.selection_b_footer_4 .nav_base_2 table td.td2{ width: 150px; }
.selection_b_footer_4 .nav_base_2 table td.td3{ width: 150px; }
.selection_b_footer_4 .nav_base_2 table td.td4{ width: 350px; }
.selection_b_footer_4 .nav_base_2 table td.td5{ width: 100px; }

.selection_b_footer_4 .nav_base_2 table td.td1{ background: #eaeaea;}
.selection_b_footer_4 .nav_base_2 table td.td2{ background: #ffffff; border-bottom: 1px solid #729ea5; border-right: 1px solid #729ea5;}
.selection_b_footer_4 .nav_base_2 table td.td3{ background: #ffffff; border-bottom: 1px solid #729ea5; border-right: 1px solid #729ea5;}
.selection_b_footer_4 .nav_base_2 table td.td4{ background: #ffffff; border-bottom: 1px solid #729ea5; border-right: 1px solid #729ea5;}
.selection_b_footer_4 .nav_base_2 table td.td5{ background: #ffffff; border-bottom: 1px solid #729ea5; border-right: 1px solid #729ea5;}
.selection_b_footer_4 .nav_base_2 table td.fid { text-align: left; padding-left: 20px; }