@media (max-width:640px){

.bao-bm select,.bao-bm input{width: 72%;height: 30px;line-height: 40px;background-color: #2c2e3c;border: 0;color: #fff;font-size: 15px}
.bao-bm textarea{width: 72%;background-color: #2c2e3c;border: 0;color: #ffffff;}
.mbot20{padding-bottom: 15px}
.bao-bm-tex label{vertical-align: top;}
.bao-bm-tj{text-align: center;}
.hk-bm-tj,.hk-bm-cz{width: 100px;height: 50px;border:none;font-size: 20px; }
.hk-bm-tj{background-color: #2ac2d8;color: #ffffff;margin-right: 20px}
}

@media (min-width:641px){
.bmtop{margin-top: 20px}
.bao-bm select,.bao-bm input{width: 62%;height: 30px;line-height: 40px;background-color: #fff;border: 0;color: #333;font-size: 15px}
.bao-bm textarea{width: 82%;background-color: #fff;border: 0;color: #333;}
.mbot20{padding-bottom: 15px}
.bao-bm-tex label{vertical-align: top;}
.bao-bm-tj{text-align: center;}
.hk-bm-tj,.hk-bm-cz{width: 190px;height: 33px;border:none;font-size: 18px;}
.hk-bm-tj{background-color: #2ac2d8;color: #ffffff;margin-top: 15px}
}