@media (max-width: 689px) and (min-device-width: 320px),
			(max-device-width: 480px) {
				body {
					width: 1200px;
					overflow: hidden;
				}
				#foot {
					width: 1200px;
					height: 170px;
					margin: 30px auto;
					padding-top: 20px;
					background-position: left bottom;
				}
				#menu {
					width: 100%;
					margin: 0px auto;
					text-align: center;
					font-size: 0%;
					height: 300px;
					display: block;
				}
				.iframemenu {
					width: 100%;
					height: 300px;
				}
			}