@media 手机与IPAD与PC

@media screen and (min- 769px) {
bindCard{height:28.5em}
}

@media screen and (min-device- 641px) and (max-device- 768px) {
.bindCard{height:28.5em}
}

@media screen and (min-device- 401px) and (max-device- 640px) {
.bindCard{height:14.5em}
}

@media only screen and (max-device- 400px) {
.bindCard{height:13.5em}
}