.nav{
				margin-top: 20px;
				background: url(../img/login_bg.png)  no-repeat ;
				height: 597px;
				position: relative;
				-webkit-background-size:100% 100%;
				-o-background-size:100% 100%;
				-moz-background-size:100% 100%;
			}
			.nav .login{
				width: 388px;
				height: 424px;
				background: white;
				position: absolute;
				right: 94px;
				top: 106px;
			}
			.nav .login  div:nth-of-type(1){
				font-size: 24px;
				margin-top: 30px;
				margin-left: 36px;
				font-family:'Adobe 楷体 Std';
			}
			.nav .login div:nth-of-type(2){
				margin-top: 0px;
				margin-left: 46px;
				color: red;
			}
			.nav .short_import{
				margin-left: 38px;
				width: 208px;
				height: 38px;
				border: 1px solid #cccccc;
				position: relative;
			}
			.nav .short_import .short_input{
				font-size: 15px;
				padding-left: 20px;
				border: none;
				height: 38px;
				width: 130px;
				}
			.nav .short_import .yanzhengma{
				position: absolute;
				right: -100px;
			}
			.nav .import{
				margin-left: 38px;
				width: 308px;
				height: 38px;
				border: 1px solid #cccccc;
			}
		
			.nav .import input{
				font-size: 15px;
				padding-left: 20px;
				border: none;
				height: 38px;
				}
			.nav .login div:nth-of-type(3){
				margin-top: 10px;
				position: relative;
			}
			.nav .login div:nth-of-type(4){
				margin-top: 30px;
			}
			.nav .login div:nth-of-type(5){
				margin-top: 30px;
			}
			.nav .login div:nth-of-type(6){
				margin-top: 30px;
			}
			.nav .login .clear{
				position: absolute;
				right:20px;
				top: 10px;
				
			}
			.nav .login .register{
				width: 310px;
				height: 42px;
				background-color: #00c3cc;
				text-align: center;
				line-height: 42px;
				color: #ffffff;
				font-size: 20px;
				border-radius: 5px;
				margin-left: 36px;
				margin-top: 15px;
			}
			:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
    				color:  #999999; opacity:1; 
				}

			::-moz-placeholder { /* Mozilla Firefox 19+ */
    				color:  #999999;opacity:1;
			}

			input:-ms-input-placeholder{
    				color:  #999999;opacity:1;
			}

			input::-webkit-input-placeholder{
    				color: #999999;opacity:1;
			}
			.footer{
				height: 435px;
			}
			.footer_center{
				width: 1200px;
				height: 435px;
				margin: 0 auto;
				text-align: center;
			}
			.footer_center div:nth-of-type(1){
				margin-top: 32px;
				color: #333333;
				font-size: 14px;
				font-family: 'Microsoft YaHei';
			}
			.footer_center div:nth-of-type(2){
				margin-top: 5px;
				color: #333333;
				font-size: 14px;
				font-family: 'Microsoft YaHei';
			}