/* 对齐微信小程序常用字号：默认约 16px（32rpx） */
body { font-size: 16px; }
.brand { font-size: 18px; }
.brand small { font-size: 8px; }
.city { font-size: 14px; }
.home-hero .headline strong { font-size: 26px; }
.home-hero .headline span:last-child { font-size: 13px; }
.notice { font-size: 14px; }
.service-grid button { font-size: 13px; gap: 8px; }
.service-grid button b { width: 40px; height: 40px; font-size: 23px; }
.ranking-title strong { font-size: 18px; }
.ranking-title button { font-size: 13px; }
.rank-switches button { font-size: 13px; }
.fly-head button { font-size: 18px; }
.fly-head span { font-size: 14px; }
.fly-filter span { font-size: 12px; }
.merchant-main strong { font-size: 15px; }
.merchant-tags span { font-size: 10px; }
.merchant-main p, .merchant-social { font-size: 12px; }
.promo-banner strong { font-size: 20px; }
.promo-banner span { font-size: 11px; }