/* Shared UI typography; printed labels retain their own Arial metrics. */
:root{--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-brand: "Palatino Linotype", Palatino, Georgia, serif}
body{font-family:var(--font-ui);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}
.logo{font-family:var(--font-brand);font-size:30px;font-weight:500;letter-spacing:-1px;line-height:1.15}
h1{font-family:var(--font-ui);font-size:28px;font-weight:600;letter-spacing:-.6px;line-height:1.35;margin-bottom:8px}
h2{font-family:var(--font-ui);font-size:16px;font-weight:600;line-height:1.4;letter-spacing:0}
header small,.eyebrow{font-size:10px;font-weight:500;letter-spacing:1.4px}
nav{font-size:13px;font-weight:500}
button,input,select,textarea{font-family:var(--font-ui);font-size:14px;line-height:1.5}
button{font-weight:500}
input,textarea{font-weight:400}
textarea{line-height:1.65}
.label,label[for="username"],label[for="password"]{font-size:13px;font-weight:500;line-height:1.5}
.note,.hint,footer{font-size:12px;line-height:1.65}
.product strong{font-size:14px;font-weight:500;line-height:1.45}
.product small{font-size:11px;line-height:1.5;font-variant-numeric:tabular-nums;letter-spacing:.15px}
.product .price,.qty{font-variant-numeric:tabular-nums}
#subtitle{font-size:14px;line-height:1.6}
#submit{font-size:15px;font-weight:600;letter-spacing:.2px}
@media(max-width:760px){h1{font-size:24px;letter-spacing:-.4px}.logo{font-size:27px}input,textarea{font-size:16px}header select{font-size:12px}.steps button{font-size:13px}}