/*banner背景图片动画*/
@-webkit-keyframes scale-bg{
	from{
		-webkit-transform:scale(1.2);
		transform:scale(1.2);
	}
	to{
		-webkit-transform:scale(1);
		transform:scale(1);
	}
}
@keyframes scale-bg{
	from{
		-webkit-transform:scale(1.2);
		transform:scale(1.2);
	}
	to{
		-webkit-transform:scale(1);
		transform:scale(1);
	}
}

/*banner */
.index_main{
	background: #f7f7f7;
}
.index_main .section1{
	position: relative;
}
.index_main .section1 .index_banner .item{
displa:none;
	background-size: cover;
	-webkit-background-size:cover;
	background-position: center;
	background-repeat: no-repeat;
	height:100vh;
	position: relative;
}
.index_main .section1 .index_banner .item.slick-current .scaleBg{
	visibility: visible; 
	-webkit-animation:scale-bg 6s linear forwards;
	animation:scale-bg 6s linear forwards;
}
.index_main .section1 .index_banner .items{
	background-size: cover;
	background-position: center center;
	background-repeat: no-repeat;
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	z-index: 0;
}
.index_main .section1 .index_banner .items:after{
	content: "";
	display: block;
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;

}
.index_main .section1 .index_banner .item .inner .block_txt{
	position: absolute;
	bottom: 40%;
	right: 0;
	opacity: 0; 
	transform: translateY(40px);
	-webkit-transform: translateY(40px); 
	-webkit-transition: all 500ms ease; 
	transition: all 500ms ease;
	width: 100%;
    margin: 0 auto;
	left:0;
}
.index_main .section1 .index_banner .item.active .inner .block_txt{
	opacity: 1; 
	-webkit-transform: translateY(0); 
	transform: translateY(0); 
	-webkit-transition-delay: 100ms; 
	transition-delay: 100ms;
}


.index_main .section1 .slick_txt{
	width:30%;
	height: 100%;
	background-color: transparent;
	transition: all 500ms ease;
	-webkit-transition:all 500ms ease; 
	background-repeat: no-repeat;
	position: absolute;
	top: 0;
	font-size: 0;
	outline: none;
	border:0;
	z-index: 333;
}
.index_main .section1 .left{
	left: 0;
}
.index_main .section1 .right{
	right:0;
}
.index_main .section1 .slick_txt:hover .slick_arrow{
	opacity: 1;
	visibility: visible;
}
.index_main .section1 .slick_txt .slick_arrow{
	width: 20px;
	height: 36px;
	background-repeat: no-repeat;
	background-position: center;
	margin-top: -18px;
	position: absolute;
	bottom: 18%;
	cursor: pointer;
	transition: all 500ms ease;
	-webkit-transition:all 500ms ease;
	opacity:1;

}
.index_main .section1 .slick_txt .prev{
	background-image:url(../images/prev.png);
	left:120%;
}
.index_main .section1 .slick_txt .next{
	background-image:url(../images/next.png);
right: 120%;
}
.index_main .section1 .slick_txt .prev:hover{
	background-image:url(../images/prev.png);
}
.index_main .section1 .slick_txt .next:hover{
	background-image:url(../images/next.png);
}


@media only screen and (max-width: 1400px){
.index_main .section1 .slick_txt .prev{left:100%;}
.index_main .section1 .slick_txt .next{right:100%;}

}
@media only screen and (max-width: 1366px){

	.index_main .section1 .index_banner .slick-arrow{
		background-size: auto 30px;
	}

}


@media only screen and (max-width: 940px){
.index_main .section1 .index_banner .item{
		height: 100vh;
	}
.index_main .section1 .index_banner .item .inner .block_txt{
		left: 0;
		right:0;
		margin: 0 auto;


}
.down{display:none}
.index_main .section1 .index_banner .slick-arrow{
		display: none !important;
	}
.index_main .section1 .index_banner .slick-dots{
    	position: absolute;
    	bottom: 12px;
		display:none;
}
.index_main .section1 .index_banner .slick-dots li{
    	width: 12px;
    	height: 12px;
    	border-radius: 50%;
    	border:2px solid #fff;
 }
.index_main .section1 .index_banner .slick-dots li button{
    	display: none;
}
.index_main .section1 .index_banner .slick-dots li.slick-active{
    	background: #fff;
}

.index_main .section1 .number span{
		margin-right: 22px;
	}
.index_main .section1 .number span:after{
		bottom: -14px;
}
.index_main .section1 .slick_txt .prev{left:70%;}
.index_main .section1 .slick_txt .next{right:70%;}

}


@media only screen and (max-width: 600px){

.index_main .section1 .slick_txt .slick_arrow{    opacity: 0;}

}


@media only screen and (max-width: 500px){
.index_main .section1 .index_banner .item{display:block;}

}