body { margin:0px; padding:0px; }

/*
.mask { width:100%; height:100%; background:#000000; position:fixed; left:0px; top:0px; filter:alpha(opacity:50);opacity:0.5; z-index:10; }		
*/

.p_desc { width:100%; position:absolute; left:0px; top:0px; background:none; z-index:10001;  }		/* -- 整体定位（描述说明） -- */
.p_desc div { width:100%; background:none; z-index:10002; }
.p_desc div .mask_td,.p_desc div .backing { background:#000000; width:auto; filter:alpha(opacity:75); opacity:0.75; }
.p_desc div .mask_img { width:1200px; background-position:center top; background-repeat:no-repeat; }

.mao_buttons { width:825px; height:53px; position:fixed; bottom:50px; z-index:10001; text-align:center; }
.mao_buttons a { margin:0px 5px; float:left; }
.mao_buttons a div { height:53px; cursor:pointer; }

.mao_buttons .first div { width:127px; background:url("../images/guide_graph/guide_unclick.png") -1px -72px no-repeat; }
.mao_buttons .first:hover div,.mao_buttons .first .hisClick { width:127px; background:url("../images/guide_graph/guide_hover.png") -1px -72px no-repeat; }

.mao_buttons .prev div { width:95px; background:url("../images/guide_graph/guide_unclick.png") -151px -72px no-repeat; }
.mao_buttons .prev:hover div,.mao_buttons .prev .hisClick { width:95px; background:url("../images/guide_graph/guide_hover.png") -151px -72px no-repeat; }

.mao_buttons .next div { width:97px; background:url("../images/guide_graph/guide_unclick.png") -261px -72px no-repeat; }
.mao_buttons .next:hover div,.mao_buttons .next .hisClick { width:97px; background:url("../images/guide_graph/guide_hover.png") -261px -72px no-repeat; }

.mao_buttons .last div { width:152px; background:url("../images/guide_graph/guide_unclick.png") -371px -72px no-repeat; }
.mao_buttons .last:hover div,.mao_buttons .last .hisClick { width:152px; background:url("../images/guide_graph/guide_hover.png") -371px -72px no-repeat; }

.mao_buttons .closeGraphBtn { width:300px; height:53px; background:url("../images/guide_graph/guide_unclick.png") -404px -1px no-repeat; margin-left:5px; cursor:pointer; float:left; }
.mao_buttons .closeGraphBtn:hover { background:url("../images/guide_graph/guide_hover.png") -404px -1px no-repeat; }

.mao_buttons .end div { width:98px; background:url("../images/guide_graph/guide_unclick.png") -261px -2px no-repeat; }
.mao_buttons .end:hover div,.mao_buttons .last .hisClick { width:98px; background:url("../images/guide_graph/guide_hover.png") -261px -2px no-repeat; }