尊龙凯时 - 人生就是搏!

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      2. 
@media only screen and (min-width: 481px) {

.ust-bg {
 background-image:url();
	min-height:590px;
	background-position:top center;
	background-repeat:repeat;	
}
}
@media only screen and (min-width: 220px) and (max-width: 480px) {
.ust-bg {
    background-image:url();
	width:100%;
	height:100%;
	background-size:cover ;
}
}




        
  
  
        
    
    
	
        
	 
	 
         
	  
        
	 
        
	 
	 
        
	
        




   
		  
		  
		  
		  
		  	    
	   
        
            
        
        
       
        
		

    

    

    
    
        
  
        
  
  
        
  
  
        
    
    
        
      
      
      
      
        
    
        
    
    
        
  
        
  
   
        
    
    
                
                                                         
            
                
               
 
       
        
        
        
        
          
          
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