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(height<=760px){.page{padding-top:14px}.opportunity-page{padding-top:0}.mine-header h1{font-size:24px}.section{margin-top:18px}.detail-intro h1{font-size:27px}}@media (height<=640px){.bottom-nav button{min-height:48px}.has-nav{padding-bottom:78px}.opportunity-channel-row{top:50px}}