.introduct-apiwg{background:#1f2d19;-ms-filter:"progid:DXImageTransform.Microsoft.gradient (GradientType=0, startColorstr=#032f3f, endColorstr=#1f2d19)";background:linear-gradient(to top, #032f3f, #1f2d19)}.introduct-apiwg .introduct-center{background:#1f2d19;-ms-filter:"progid:DXImageTransform.Microsoft.gradient (GradientType=0, startColorstr=#032f3f, endColorstr=#1f2d19)";background:linear-gradient(to top, #032f3f, #1f2d19)}.introduct-apiwg .introduct-center a{margin-top:17px}.right-core{text-align:left;padding-left:9px;margin-top:-21px}.right-core li{min-height:250px;text-align:center;margin-top:40px}.right-architecture-img{margin-left:19px}