*{margin:0;padding:0;}                              
.warp{                                              
width:960px;                                    
    margin:0 auto;                                  
    margin-top:10px;                               
}                                                   
.header{                                            
    height:80px;                                    
    background:url("images/top.jpg");                               
}                                                   
.nav{                                               
    height:30px;                                    
    /*background:#00008B;      */                        
    margin:10px 0;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius:15px;                                 
}

.nav .first{
    margin-left:65px;
    margin-top:5px;
    width:125px;
    height:30px;
    float:left;
    }
    
.menuitem{
    margin-top:5px;
    width:125px;
    height:30px;
    float:left;
    }
                                                    
.main{                                              
    width:100%;                                     
    margin-bottom:10px;                             
    overflow:hidden;                                
}
.main .main-top{                                   
    width:100%;                                    
    height:200px;                                   
    background:url("images/H200.jpg");                                                               
}                                                   
                               
.content{                                           
    width:100%;                                     
    overflow:hidden;
                              
}                                                   
.content .content-left{                             
    width:640px;                                    
    height:400px;  
    /*border:1px solid;*/
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius:5px;   
    float:left;                                         
}  

.content .content-left .solution{
    width:640px;
    height:180px;
    float:top;
    }
                                                     
.content .content-right-sup{                        
    width:300px;                                    
    height:240px;                                   
    background:lightblue;                           
    float:right;                                       
}                                                   
.content .content-right-sub{                        
    width:300px;                                    
    height:160px;                                   
    background:purple;                              
    margin-top:20px;                                
    float:right;                                     
}                                                   
.footer{
    height:100px;                                    
    background:gray;                                
    margin-top:25px; 
    text-align:center;                               
}