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no-repeat;height:286px}.product_maincontent .img_box .box{width:477px;height:264px;margin:0px auto}.product_maincontent .img_box .box img{display:block;margin:0px auto}.product_maincontent .product_tab{width:486px;background:url(../images/bg_product_tab.png) left top repeat-y;overflow:hidden;margin:0px auto}.product_maincontent .product_tab .product_tab_bb{width:100%;height:13px;background:url(../images/bg_product_tab_bb.png) left top no-repeat}.product_maincontent .tab_content{width:420px;margin:0px auto;color:#333;padding-top:15px}.product_maincontent .tab_content h2{font-size:16px;font-weight:normal;position:relative;padding:5px 0px}.product_maincontent .tab_content h2 a{display:block;width:10px;height:10px;overflow:hidden;position:absolute;left:-18px;top:9px;text-indent:-9999px;outline-style:none}.product_maincontent .tab_content h2 a.reduce{background:url(../images/bg_tab_content_a.png) left 3px no-repeat}.product_maincontent .tab_content h2 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.rows3{width:410px;padding:5px 0px 5px 10px;overflow:hidden;background:url(../images/bg_rows3.png) left top repeat-y}.product_maincontent .tab_content .table_cn .columns1{width:77px;float:left}.product_maincontent .tab_content .table_cn .columns2{width:62px;padding-left:5px;float:left;font-size:9px}.product_maincontent .tab_content .table_cn .columns3{width:62px;padding-left:4px;float:left;font-size:9px}.product_maincontent .tab_content .table_cn .columns4{width:62px;padding-left:5px;float:left;font-size:9px}.product_maincontent .tab_content .table_cn .columns5{width:62px;padding-left:5px;float:left;font-size:9px}.product_maincontent .tab_content .table_cn .columns6{width:62px;padding-left:4px;float:left;font-size:9px}.product_maincontent .tab_content .table_cn .rows2 .columns6{font-size:10px}.product_maincontent .tab_content .table_cn .rows3 .columns6{font-size:10px}.product_maincontent .tab_content .table_cn .rows2 .columns1{font-size:10px;font-weight:bold}.product_maincontent .tab_content .table_cn .rows3 .columns1{font-size:10px;font-weight:bold}.product_maincontent .tab_content .table_cn img{display:block;margin:0px auto;margin-top:4px}.product_maincontent .tab_content2{width:420px;margin:0px auto;background:url(../images/bg_tab_content2.png) left bottom no-repeat;color:#333;padding:15px 0px}.product_maincontent .tab_content2 p{font-size:12px;padding-bottom:5px;line-height:17px}.product_maincontent .tab_content2 p.special{font-size:9px;color:#333;text-transform:uppercase;line-height:15px}.product_maincontent .tab_content2 p span{font-size:10px;padding-left:3px;line-height:13px;background:url(../images/bg_tab_content2_a.png) left 3px no-repeat}.product_maincontent .tab_content2 ul{padding-left:16px;padding-bottom:8px}.product_maincontent .tab_content2 ul li{font-size:12px;padding-bottom:3px;padding-left:8px;background:url(../images/bg_tab_content2_li.png) left 7px no-repeat;line-height:17px}.product_maincontent .tab_content2 h2{font-size:12px;padding:5px 0px}.product_maincontent .tab_content2 .text_box{width:100%;border-bottom:3px solid #000;border-top:3px solid #000;padding:5px 0px}.product_maincontent .tab_content2 .text_box ul{padding-left:0px}.product_maincontent .tab_content2 .text_box ul li{font-size:9px;padding-left:0px;padding-right:2px;background:none;line-height:normal;display:inline}.product_maincontent .tab_content2 .tab_content2_box{width:100%;overflow:hidden;padding:5px 0px}.product_maincontent .tab_content2 .tab_content2_box .box{width:206px;float:left}.product_maincontent .tab_content2 .tab_content2_box .box.special{padding-left:8px}.product_maincontent .tab_content2 .tab_content2_box .box h4{font-size:18px}.product_maincontent .tab_content2 .tab_content2_box .box p{font-size:12px;padding-bottom:0px;line-height:normal}.product_maincontent .tab_content2 .tab_content2_box .box p label{font-size:11px}.product_maincontent .tab_content2 .tab_content2_box .box div{width:100%;overflow:hidden;font-size:12px;border-top:1px solid #000;padding:3px 0px;height:12px}.product_maincontent .tab_content2 .tab_content2_box .box div.special{border-top:none;border-bottom:2px solid #000}.product_maincontent .tab_content2 .tab_content2_box .box div label{padding-left:10px}.product_maincontent .tab_content2 .tab_content2_box .box div span{float:right}.product_sidebar{width:255px;float:right}.product_sidebar .sidebar_form{width:100%;overflow:hidden;padding-bottom:18px}.product_sidebar .sidebar_form select{width:255px;border:1px solid #a9a9a9;background:#eaeaea;padding-left:6px;font-size:11px;font-weight:bold;font-family:Arial,Helvetica,sans-serif;color:#333}.product_sidebar .sidebar_form input{width:40px;height:21px;background:url(../images/bg_button_2.png) left top no-repeat;border:none;cursor:pointer;font-family:Arial,Helvetica,sans-serif;font-size:12px;text-transform:uppercase;color:#333;font-weight:bold;float:right;margin-top:8px}.product_sidebar_nav{width:100%;background:url(../images/bg_product_sidebar_nav_bm.png) left 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h4{font-size:16px;text-transform:uppercase;color:#fff;padding:10px 0px 14px 15px}.product_sidebar_box .box{width:228px;margin:0px auto;padding-bottom:10px;padding-top:20px;background:url(../images/bg_box.png) left bottom no-repeat}.product_sidebar_box .box img{display:block;margin:0px auto}.product_sidebar_box .box h5{font-size:14px;color:#02668b}.product_sidebar_box .box h5 a{color:#02668b}.product_sidebar_box .box h5 a:hover{color:#02668b}.product_sidebar_box .box h5 span{text-transform:uppercase}.product_sidebar_box .box p{font-size:12px;padding-top:5px}