#banner_all{
float:left;
width:100%;
height:280px;
overflow:hidden;
/*border-bottom:2px #b4b4b5 solid;*/
background:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_46.jpg) no-repeat center top;
background-color:#182245;}
#line{
float:left;
width:100%;
height:21px;
overflow:hidden;
/*border-bottom:2px #b4b4b5 solid;*/
background:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_16.jpg) no-repeat center top;}
.main_all{
float:left;
width:100%;
height:auto;
margin-top:15px;}
.main{
margin:0 auto;
width:973px;
height:auto;}
.left{
float:left;
width:220px;
height:auto;}

.left_1{
float:left;
width:220px;
height:40px;
background-image:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_17.jpg);}
.left_1 span{
float:left;
font-size:14px;
font-weight:bold;
color:#002389;
margin-top:10px;
margin-left:15px;
display:inline;}
.left_2{
float:left;
width:220px;
height:3px;
overflow:hidden;}
.left_3{
float:left;
width:220px;
height:auto;
overflow:hidden;}
.left_3 li{
float:left;
width:220px;}
.aa{
display:block;
float:left;
width:220px;
height:29px;
font-size:14px;
font-weight:bold;
color:#fff;
line-height:29px;
text-indent:20px;
background-image:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_21.jpg);}

.bb{
display:block;
float:left;
width:220px;
height:29px;
font-size:14px;
font-weight:bold;
color:#7c7c7c;
line-height:29px;
text-indent:20px;
background-image:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_20.jpg);}
.left_4{
float:left;
width:220px;
height:4px;
overflow:hidden;}


.right{
float:right;
width:724px;
height:auto;}
.right_1{
float:left;
width:724px;
height:41px;
background-image:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_22.jpg);}
.right_1 span{
float:left;
margin-top:10px;
font-size:14px;
color:#a8a8a8;
font-weight:bold;
margin-left:16px;
display:inline;}

.right_1 font{
float:right;
margin-top:12px;
font-size:12px;
color:#a8a8a8;
margin-right:10px;
display:inline;}
.right_1 font a{
font-size:12px;
color:#a8a8a8;}

.right_2{
float:left;
width:724px;
height:auto;}
.right_2_box{
float:left;
width:231px;
height:auto;
margin-top:12px;
margin-left:8px;
display:inline;}
.right_2_box_1{
float:left;
width:231px;
height:187px;
background-color:#FFFFFF;
border:1px solid #ececec;}
.right_2_box_1 img{
float:left;
width:225px;
height:181px;
margin-top:3px;
margin-left:3px;
display:inline;}
.right_2_box_2 a{
display:block;
float:left;
width:231px;
height:36px;
font-size:14px;
font-weight:bold;
line-height:32px;
color:#535355;
text-indent:15px;
background-image:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_24.jpg);}

.right_2_box_2 a:hover{
color:#fff;
background-image:url(http://www.boostiv.com/admin/fileadmin/upfile/img/index_25.jpg);}

.right_3{
float:left;
width:100%;
text-align:right;}