.sws{position:relative; overflow:hidden; width:1260px; height:380px;}
.sws img{width:100%; height:100%;}
.sws_div1, .sws_div2{width:100%; height:100%; position:absolute;}
.sws:hover .sws_btns{opacity:1;}
.sws_pre, .sws_nxt{position:absolute; width:40px; height:40px; border-radius:50%; background:rgba(0,0,0,0.2); color:rgba(224,224,224,0.5); 
					box-shadow:0 0 10px #fff; top:50%; transform:translateY(-50%); cursor:pointer; transition:0.5s;}
.sws_pre:hover, .sws_nxt:hover{background:rgba(0,0,0,0.8); color:#fff;}
.sws_pre{left:10px;}
.sws_nxt{right:10px;}
	.sws_pre>div, .sws_nxt>div{width:12px; height:12px; border-left:4px solid #fff; border-top:4px solid #fff;}
	.sws_pre>div{transform:translate(16px,14px) rotate(-45deg);}
	.sws_nxt>div{transform:translate(12px,14px) rotate(135deg);}
.sws_dots{position:absolute; width:100%; bottom:12px; left:0; text-align:center;}
.sws_dot {display:inline-block; width:12px; height:12px; margin:6px; border-radius:50%; background:rgba(224,224,224,0.5); box-shadow:0 0 5px #000; cursor:pointer; transition:0.5s;}