.slide-main .slide:nth-child(1){background: url(../image/bn1.jpg);background-size: cover;}
.slide-main .slide:nth-child(2){background: url(../image/bn2.jpg);background-size: cover;}
.slide-main .slide:nth-child(3){background: url(../image/bn3.jpg);background-size: cover;}
.slide-main .slide:nth-child(4){background: url(../image/bn4.jpg);background-size: cover;}
.slide-main{position: relative;height:1000px;z-index: 1;overflow: hidden;}
.slide{height:1000px;width:100%;position:relative;z-index:1;display:none;}
/* .slide{display:none;position:relative;position:absolute;z-index:8;} */
/* slide */
.prev,.next{display:block;width:44px;height:44px;position:absolute;z-index:222;top:443px;overflow:hidden;cursor:pointer;opacity:0.7;-moz-opacity:0.7;filter:alpha(opacity=70);_border:1px solid none;}
.prev{left:70px;}
.next{right:70px;}
.prev:hover,.next:hover,.nav-main a:hover,.nav-main a.cur{opacity:1;-moz-opacity:1;filter:alpha(opacity=100);}
.item{display:block;width:100%;position:absolute;z-index:222;bottom:20px;left:0;text-align:center;}
.item a{display:inline-block;width:12px;height:12px;border-radius: 12px; margin-right:10px;opacity:0.6;-moz-opacity:0.6;filter:alpha(opacity=60);background: #333;}
.item a.cur{background:#fff;}

.slide a{display:block;cursor:pointer;}
.obj-a,.obj-b{position:absolute;z-index:9;left:50%;margin-left:-50%;text-align:center;width: 100%;height: 100%;display:block;animation-name:saAni;color: #fff;}
.obj-a{animation:saAni 0.4s linear 0s normal none;font-size: 50px;top: 30%;font-weight: bold;letter-spacing: 2px;}
.obj-b{animation:saAni 0.6s linear 0s normal none;font-size: 26px;top: 41%;letter-spacing: 2px;}
/* .banAnimate .obj-a{display:block;animation-name:baoAni;-webkit-animation:baoAni 0.4s linear 0s normal none;-moz-animation:baoAni 0.4s linear 0s normal none;animation:baoAni 0.4s linear 0s normal none;}
@-webkit-keyframes baoAni{from{opacity:0;left:60%;} to{opacity:1;left:50%;} }
@-moz-keyframes baoAni{from{opacity:0;left:60%;} to{opacity:1;left:50%;} }
@keyframes baoAni{from{opacity:0;left:60%;} to{opacity:1;left:50%;} } */

@-webkit-keyframes saAni{from{opacity:0;-webkit-transform:scale(0,0);} to{opacity:1;-webkit-transform:scale(1,1);} }
@-moz-keyframes saAni{from{opacity:0;-moz-transform:scale(0,0);} to{opacity:1;-moz-transform:scale(1,1);} }
@keyframes saAni{from{opacity:0;transform:scale(0,0);} to{opacity:1;transform:scale(1,1);} }
.watch-code .code-show{display:block;animation-name:scode;-webkit-animation:scode 0.3s linear 0s normal none;-moz-animation:scode 0.3s linear 0s normal none;animation:scode 0.3s linear 0s normal none;}
@-webkit-keyframes scode{from{opacity:0;-webkit-transform:scale(1,0);transform-origin:left bottom;} to{opacity:1;-webkit-transform:scale(1,1); transform-origin: left bottom;} }
@-moz-keyframes scode{from{opacity:0;-moz-transform:scale(1,0); transform-origin:left bottom;} to{opacity:1;-moz-transform:scale(1,1);transform-origin:bottom bottom;} }
@keyframes scode{from{opacity:0;transform:scale(1,0);transform-origin:left bottom;} to{opacity:1;transform:scale(1,1);transform-origin: left bottom;} }
.slide img{display: none;}
/*手机用*/
@media screen and (max-width: 750px) {
	.slide,.slide-main{height: 200px;background:none !important;}	
	.slide img{width: 100%;height: 200px;position: absolute;top: 0;display: block;}	
	.prev,.next{display: none;}
	.item{bottom: 5px;}
	.obj-a{font-size: 20px;top: 90px;}
	.obj-b{font-size: 14px;top: 120px;}
}