.hba1{position: absolute;top: 10%;width: 100%;font-size: 42px;text-align: center;color: #fff;z-index: 9;}
@media(max-width:1440px){.hba1{font-size: 30px;}}
@media(max-width:768px){.hba1{font-size: 18px;}}
@media(max-width:500px){.hba1{font-size: 12px;}}
.hba2{position: absolute;top: 10%;width: 100%;font-size: 42px;text-align: center;color: #fff;z-index: 9;}
@media(max-width:1440px){.hba2{font-size: 30px;}}
@media(max-width:768px){.hba2{font-size: 18px;}}
@media(max-width:500px){.hba2{font-size: 12px;}}
.banner-iframe-box{position: relative;width:100%;height:0;padding-bottom: 56.25%;}
.banner-iframe-box iframe{position:absolute;top:0;left: 0;width:100%;height:100%;min-height:inherit;}