.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 { 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; }



#box {overflow: hidden; zoom: 1; position: relative; }

#index_b_hero { width: 980px; height: 450px; margin: auto; position: relative; }

    #index_b_hero img { width: 970px; height: 450px; }

    #index_b_hero .heros { width: 980px; height: 450px; }

    #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: 5px;  background: url(images/btn_la.jpg) no-repeat;  z-index: 3; }

	#index_b_hero .prev { filter: alpha(Opacity=70); opacity: .7; position: absolute; top: 50%; margin-top: -25px; margin-left: 5px;  background: url(images/btn_ra.jpg) no-repeat;  z-index: 3; }

        #index_b_hero .next:hover { background: url(images/btn_lb.jpg) no-repeat; }

		#index_b_hero .prev:hover { background: url(images/btn_rb.jpg) no-repeat; }

    #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: #000; padding:0 5px 5px 5px; z-index: 1; position: absolute; top: 0; left: 0; width: 970px; height: 450px; overflow: hidden; left: 1960px; }

    #index_b_hero .mask-right, #index_b_hero .mask-left { z-index: 4; left: -980px; filter: alpha(Opacity=50); opacity: .5; background: #000; overflow: hidden; }

    #index_b_hero .mask-right { left: 980px; }

    #index_b_hero .active { z-index: 2; left: 0; }