.r_box{width: 834px; margin-left: 30px;margin-top: 5px;}

.r_h2{font-size: 27px;background: none;margin-left: -25px;width: 100%;margin-top: -20px;}

.r_text{font-size: 15px;width: 100%;margin-top: 15px;}

.r_maff{width: 796px;border: 1px solid #ccc;padding: 20px;}

.r_bl{font-size: 18px;font-weight: bold;}

.r_nsl{text-align: center;margin-left: auto;margin-right: auto;margin-top: 20px;}