body{ background-image:url(../img/aboutbg.jpg); background-attachment:fixed; background-position:top; background-repeat:no-repeat; background-size:100% 100%; -webkit-transition: 1.85s;-moz-transition: 1.85s;-o-transition: 1.85s;-ms-transition: 1.85s;transition: 1.85s; }
ul,li{margin:0px;padding:0px;}
.brand_home{ float:left; display:inline; margin-left:30px; margin-top:0px}
.brand_word{ float:left; display:inline; margin-left:10px; margin-top:0px; color:#000}
.banner_index{height:434px;position: relative;overflow:hidden;width: 775px;}
.banner_index .btn,.banner_pro .bBtn{position: absolute;width: 37px;height: 37px;display: block;z-index: 3;right:32px;}
.banner_index .btnPre,.banner_pro .bPre{background: url(../about/images/bg_btnPre_index.png) no-repeat 0 0; top:178px;}
.banner_index .btnPre:hover,.banner_pro .bPre:hover{background: url(../about/images/bg_btnPre_index_hover.png) no-repeat 0 0; top:178px;}
.banner_index .btnNext,.banner_pro .bNext{background: url(../about/images/bg_btnNext_index.png) no-repeat 0 0;top:225px;}
.banner_index .btnNext:hover,.banner_pro .bNext:hover{background: url(../about/images/bg_btnNext_index_hover.png) no-repeat 0 0;top:225px;}
.banner_index .banner_wrap{position: absolute;left:0px;top: 0px; z-index: 2;}
.banner_index .banner_wrap li{width: 775px;float: left;}
.aBmore a{ width:89px; height:21px; display:block; background:url(../img/about_more.jpg) no-repeat; position:absolute; left:15px; bottom:10px;}
.aBmore a:hover{ width:89px; height:21px; display:block; background:url(../img/about_more_hover.jpg) no-repeat;}

.aB_maim{ width:1002px; margin:0 auto; height:580px; }
.aB_top { width:1002px; height:434px; }
.aB_down { width:1002px; height:142px; margin-top:10px; }
.aBtop_left { width:790px; height:434px; float:left; }
.aBtop_right { width:206px; height:434px; float:left;}
.aB_banner { width:785px; background:url(../img/oem_index_bannerbg.png) no-repeat; }

.right_box1{ width:209px; height:134px; background:url(../img/rightbox1bg.png) no-repeat; position:relative; margin-bottom:14px; margin-top:4px;}	
.right_box1 img{ width:205px; height:130px;}
.cover{ width:128px; height:130px; position:absolute; left:0; top:0;}
.cover_bt{ color:#52aa99; font-weight:bold; line-height:14px; margin:20px 0px 0px 15px;}
.cover_nr{ color:#52aa99; margin-left:15px; width:96px;}
.sel_down1{ width:104px; height:142px; background:url(../img/down1bg.png) no-repeat; float:left; text-align:center;}
.sel_down1 img{-webkit-transition:all 0.3s ease-in-out;-moz-transition:all 0.3s ease-in-out;transition:all 0.3s ease-in-out;-o-transition:all 0.3s ease-in-out; margin-top:5px;}
.sel_down1 a:hover img{-webkit-transform:scale(2); -moz-transform:scale(2); -ms-transform:scale(2);  -o-transform:scale(2); transform:scale(2); opacity:0.01;}
.sel_down1 a:hover{ text-decoration:none;}
.sel_down1 a{ width:104px; height:68px; display:block; overflow:hidden; color:#FFF;}
.sel_down2{ width:722px; height:142px; background:url(../img/seldown2bg.png) no-repeat; float:left; display:inline; margin-left:4px; position:relative; overflow:hidden;}
.sel_down2 img{ float:right; width:162px; height:133px; margin-right:8px;}
.sel_down2_content{ width:540px; } 
.sel_down2_bt{ color:#525253; font-weight:bold; margin-left:20px; line-height:30px;}
.sel_down2_nr{ text-indent:2em; margin-left:20px;}
.sel_down3{ width:170px; height:142px; background:url(../img/seldown3bg.png) no-repeat; float:left; margin-left:0px; display:inline; position:relative; overflow:hidden;}
.sel_video{ width:142px; height:115px; margin:5px 0px 0px 15px;}
.sel_down3_cover{ position:absolute; bottom:2px; left:1px;}