.index-banner{
?? ?position: relative;
}

.index-banner-bg{
?? ?height: 570px;
?? ?overflow: hidden;
}

.index-banner-text{
??? position: absolute;
??? top: 200px;
??? left: 50%;
??? margin-left: -338px;
}

.index-banner-text .text-logo{
?? ?width: 776px;
?? ?height: 113px;
?? ?background: url("../images/dome2.png") no-repeat;
}