.other_bg{ background: #ffffff; }

.main{ margin: auto; background: url(wytg_bg.png) no-repeat center top; padding: 30px 0px; }

.center_1{ margin: auto; width: 1200px; height: 370px; }
.banner { float: left; width: 365px; } 
.bza { float: right; width: 770px;} 
.bza .logo { margin: auto; text-align: center; } 
.bza .bza_con { margin: auto; text-align: left; margin-top: 30px; line-height: 40px; font-size: 24px; color: #7f7f7f }

.center_2{ margin: auto; width: 1200px; margin-top: 30px; text-align: center; }
.center_2 li h2 { margin: auto; text-align: center; font-size: 18px; color: #7f7f7f; margin-top: 20px; }
.center_2 li h2 a{ color: #7f7f7f; }
.center_2 .first{ float: left; }
.center_2 .second { float: left; margin-left: 84px; }
.center_2 .third { float: right; }