body{ background:#fff;}

.img_box{ margin:0 auto; min-width:1200px; overflow:hidden;}

.index_01{ height:981px; background:url(../images/index_01.jpg) no-repeat center center;}
.index_02{ height:490px; background:url(../images/index_02.jpg) no-repeat center center;}
.index_03{ height:646px; background:url(../images/index_03.jpg) no-repeat center center;}
.index_04{ height:583px; background:url(../images/index_04.jpg) no-repeat center center;}
.index_05{ height:756px; background:url(../images/index_05.jpg) no-repeat center center;}





.content_box{ position:relative;  margin:0 auto;width:1200px; height:100%;}










@keyframes pulse{
	30%,60%{transform:scale(1)} 40%,70%{transform:scale(0.9)}
}

@keyframes flip {
	0% {
		transform: perspective(400px) rotateY(-1turn);
		animation-timing-function: ease-out
	}

	40% {
		transform: perspective(400px) rotateY(-190deg);
		animation-timing-function: ease-out
	}



	80% {
		transform: perspective(0);
		animation-timing-function: ease-in
	}

	to {
		transform: perspective(0);
		animation-timing-function: ease-in
	}
}