.help-title { font-size: 12px;background-color: #f5f5f5;height:40px;line-height: 40px;padding-left: 10px; }
.problem-item { overflow: hidden;height: 22px; padding: 10px 0;border-bottom: solid 1px #ebebeb;}
.problem-item .problem-title {   }
.problem-item .problem-title:hover { text-decoration: none;  }
.problem-item .problem-title-icon { display: inline-block;zoom: 1;width: 12px;height: 12px;background-image: url(../../images/sprite_global.png);background-position: -340px -82px; }
.problem-item:hover .problem-title-icon { background-position: -356px -82px; }
.problem-item .problem-answer { padding: 20px;margin-top: 10px; background-color: #f6f6f6;border-bottom: 1px solid #cfcfcf; }
.problem-item.opened { overflow: auto; height: auto; border: none;}
.problem-item.opened .problem-title { color: #1594D9; }
.problem-item.opened .problem-title-icon { background-position: -372px -82px; }
.problem-item.opened:hover .problem-title-icon { background-position: -388px -82px; }
.close-answer { float:right; }
.close-answer-icon { display: inline-block;zoom: 1;width: 0;height: 0;border-top: solid 6px transparent;border-right: solid 6px transparent;border-bottom: solid 6px #afafaf;border-left: solid 6px transparent;margin-right: 6px;}
.close-answer:hover .close-answer-icon { border-bottom-color: #868686; }