@media (max-width:375px){.bc-band-text{font-size:12px}.bc-title{font-size:13px}.bc-desc{font-size:12px}.bc-icon{width:65px}.bc-btn{height:45px}.bc-btn-text{font-size:14px}.bc-btn-arrow{width:32px;height:32px}}@media (min-width:376px) and (max-width:450px){.bc-band-text{font-size:16px}.bc-title{font-size:18px}.bc-desc{font-size:15px}.bc-icon{width:85px}.bc-btn{height:60px}.bc-btn-text{font-size:20px}.bc-btn-arrow{width:38px;height:38px}}@media (min-width:440px) and (max-width:540px){.book-wrapper{height:280px}}@media (min-width:541px) and (max-width:640px){.book-wrapper{height:320px}}@media (min-width:430px) and (max-width:767px){.bc-band-text{font-size:18px}.bc-title{font-size:20px}.bc-desc{font-size:17px}.bc-icon{width:90px}.bc-btn{height:60px}.bc-btn-text{font-size:22px}.bc-btn-arrow{width:38px;height:38px}}