body {
				margin: 0;
				padding: 0;
			}

			.main {
				max-width: 640px;
				width: 100%;
				margin: 0 auto;
				background: #000000;
			}

			.top {
				background-size: 100% 100%;
				width: 100%;
				min-height: 420px;
				position: relative;
				overflow: hidden;
			}

			.img1 {
				width: 100%;
				margin: 0 auto;
				display: block;
			}

			.img2 {
				width: 100%;
				margin: 0 auto;
				display: block;
				z-index: 999;
				position: relative;
			}

			.img3 {
				width: 100%;
				margin: 0 auto;
				display: block;
				z-index: 999;
				position: relative;
			}

			.img4 {
				width: 100%;
				margin: 0 auto;
				display: block;
				padding: 0px 0 95px 0;
			}
			.img5 {
				width: 100%;
				margin: 0 auto;
				display: block;
				position: fixed;
				bottom: 0;
				left: 0;
				right: 0;
				z-index: 9999999;
				max-width: 640px;
			}
			
			.kf {
				position: fixed;
				right: 0;
				top: 30%;
				z-index: 1112;
				width: 100px;
			}

			.dh {
				-webkit-animation: myfirst 1s infinite;
				animation: myfirst 1s infinite;
			}
			
			.customer {
			    position: fixed;
			    right: 0;
			    top: 30%;
			    z-index: 1112;
			    width: 21%;
			}

			@-webkit-keyframes myfirst {
				from {
					transform: scale(1)
				}

				50% {
					transform: scale(.85)
				}

				to {
					transform: scale(1)
				}
			}

			@keyframes myfirst {
				from {
					transform: scale(1)
				}

				50% {
					transform: scale(.85)
				}

				to {
					transform: scale(1)
				}
			}

            @media screen and (min-width: 640px) {
                .img4 {
                    width: 100%;
                    margin: 0 auto;
                    display: block;
                    padding: 0px 0 156px 0;
                }
            }