.icon-arrow-a-left, .icon-arrow-a-right { background: url(../images/icon-sd26986d847.png) no-repeat; }
.icon-arrow-a-left { background-position: 0 0; height: 33px; width: 33px; }
    .icon-arrow-a-left:hover, .icon-arrow-a-left.arrow-a-left_hover, .icon-arrow-a-left.arrow-a-left-hover { background-position: -60px 0; }
.icon-arrow-a-right { background-position: -120px 0; height: 33px; width: 33px; }
    .icon-arrow-a-right:hover, .icon-arrow-a-right.arrow-a-right_hover, .icon-arrow-a-right.arrow-a-right-hover { background-position: -180px 0; }

* html, * html body { background-image: url(about:blank); background-attachment: fixed; zoom: 1; }

#main {overflow: hidden; zoom: 1; position: relative; }
#index_b_hero {width: 100%;height: 380px;margin: auto;position: relative;}
    #index_b_hero img {width: 1920px;height: 100%;object-fit: cover;position: absolute;}
    #index_b_hero .heros {width: 100%;height: 380px;}
    #index_b_hero .hero-wrap { overflow: visible; position: absolute; }

    #index_b_hero .next { filter: alpha(Opacity=70); opacity: .7; position: absolute; top: 50%; margin-top: -25px; margin-left: -50px;  z-index: 9999; background: url("../images/jt_r.png") center no-repeat }
 #index_b_hero .prev { filter: alpha(Opacity=70); opacity: .7; position: absolute; top: 50%; margin-top: -25px; margin-left: -50px;  z-index: 9999; background: url("../images/jt_l.png") center no-repeat }
        #index_b_hero .next:hover, #index_b_hero .prev:hover { opacity: 1  }
    #index_b_hero .next { margin: -25px 0 0 0; right: -50px; }
    #index_b_hero .disabled { background-color: #ffffff; }
    #index_b_hero .mask-left, #index_b_hero .mask-right, #index_b_hero .hero {/* background: #ffffff; */padding: 0;z-index: 1;position: absolute;top: 0;width: 1920px;height: 100%;overflow: hidden;/* left: 1920px; */}
    #index_b_hero .mask-right, #index_b_hero .mask-left {z-index: 4;/* left: -1100px; */filter: alpha(Opacity=80);/* opacity: .8; *//* background: #222222; */overflow: hidden;}
    #index_b_hero .mask-right { left: 1100px; }
    #index_b_hero .active { z-index: 2; left: 0; }

#index_b_hero .b-txt { position: absolute; background: rgba(0,0,0,0.5); padding: 10px 30px; color: #ffffff; font-size: 18px; left: 20px; bottom: 20px;}
.b-yd1,.b-yd2,.b-yd3,.b-yd4{ position:absolute; z-index: 99999999; display: block; width: 10px; height: 10px; background: #ffffff; bottom: 20px;}
.b-yd1{ left: 50%;}
.b-yd2{ left: 51%;}
.b-yd3{ left: 52%;}
.b-yd4{ left: 53%;}
/* 本例子css */
		.slideBox{ overflow:hidden; position:relative; border:1px solid #ddd;  }
		.slideBox .hd{height: 25px;overflow:hidden;position:absolute;right: 47%;bottom:5px;z-index:1;}
		.slideBox .hd ul{ overflow:hidden; zoom:1; float:left;  }
		.slideBox .hd ul li{float:left;margin-right:2px;width: 20px;height: 20px;line-height: 27px;text-align:center;background:#fff;cursor:pointer;border-radius: 50%;}
		.slideBox .hd ul li.on{ background:#f00; color:#fff; }
		.slideBox .bd{ position:relative; height:100%; z-index:0;   }
		.slideBox .bd li{ zoom:1; vertical-align:middle; }
		.slideBox .bd img{  display:block;  }

		/* 下面是前/后按钮代码，如果不需要删除即可 */
		.slideBox .prev,
		.slideBox .next{ position:absolute; left:3%; top:50%; margin-top:-25px; display:block; width:32px; height:40px; background:url(../images/slider-arrow.png) -110px 5px no-repeat; filter:alpha(opacity=50);opacity:0.5;   }
		.slideBox .next{ left:auto; right:3%; background-position:8px 5px; }
		.slideBox .prev:hover,
		.slideBox .next:hover{ filter:alpha(opacity=100);opacity:1;  }
		.slideBox .prevStop{ display:none;  }
		.slideBox .nextStop{ display:none;  }