@charset "utf-8";
.clearfix:before, .clearfix:after { content: '.'; display: block; overflow: hidden; visibility: hidden; font-size: 0; line-height: 0; width: 0; height: 0; }
.clearfix:after { clear: both; }
.clearfix { zoom: 1; }
.icon-arrow-a-left, .icon-arrow-a-right {  }
.icon-arrow-a-left { background-position: 0 0; height: 50px; width: 50px; }
    .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: 50px; width: 50px; }
    .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; }
#main {overflow: hidden; zoom: 1; position: relative; padding-top:15px; background:none;}
#index_b_hero { width: 960px; height: 510px; margin: auto; position: relative;  background:none; }
    #index_b_hero>img { width: 950px; height: 500px; }
    #index_b_hero .heros { width: 960px; height: 510px; }
    #index_b_hero .hero-wrap { overflow: visible; position: absolute;  background:none;}
    #index_b_hero .next, #index_b_hero .prev { cursor:pointer;opacity: .7; position: absolute; top: 50%; margin-top: -25px; margin-left: 5px; background:#FFF; z-index: 3; }
    .icon-arrow-a-right img{
        width:32px;
        height:32px;
         margin-top:10px;
        margin-left:10px;
    }
    .icon-arrow-a-left img{
        width:32px;
        height:32px;
        margin-top:10px;
        margin-left:7px;
    }
        #index_b_hero .next:hover, #index_b_hero .prev:hover { background-color: orangered; }
    #index_b_hero .next { margin: -25px 5px 0 0; right: 0; }
    #index_b_hero .disabled { background-color: #eee; }
    #index_b_hero .mask-left, #index_b_hero .mask-right, #index_b_hero .hero { /*background: #fff;*/ padding: 5px; z-index: 1; position: absolute; top: 0; left: 0; width: 950px; height: 500px; overflow: hidden; left: 1920px; }
    #index_b_hero .mask-right, #index_b_hero .mask-left { z-index: 4; left: -960px; filter: alpha(Opacity=50); opacity: .5; background: #fff; overflow: hidden; }
    #index_b_hero .mask-right { left: 960px; }
    #index_b_hero .active { z-index: 2; left: 0; }