.m-need-tc{width: 100%;height: 100%;background:rgba(0, 0, 0, 0.7) none repeat scroll 0 0 !important;filter:Alpha(opacity=70);background:#000000;position: fixed;z-index: 22;top: 0;left: 0;display: block;z-index: 999;}
.m-need-tc .need-tc-b{width: 600px;min-height:262px;overflow: hidden; background: #ddd; box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);position: relative;
    top: 10%;left: 50%;margin-left: -300px;padding-bottom: 20px;border-radius: 10px;}
.need-tc-b .close-btn{width: 27px;height: 27px;position: absolute;top: 11px; right:5px;font-size: 24px;color: #777;}
.need-tc-b .tab-ttt{width: 100%;height: 45px;border-bottom: 1px solid #ccc;}
.need-tc-b .dl-con-b{width: 100%;margin: 0 auto 15px;padding: 35px 50px 30px 40px;}
.need-tc-b .dl-con-b p{font-size: 14px;color: #333;line-height: 22px;margin-bottom: 14px;}