:root{--paper:#ffffff;--ink:#111111;--ink-soft:#2a2a2a;--muted:#5c5c5c;--subtle:#767676;--line:#e4e4e4;--line-strong:#cfcfcf;--surface:#f3f3f3;--lavender:#d9c8ff;--purple:#7e4bd6;--pen-red:#d63a3a;--pen-red-line:#f0b7b7;--grad-accent:linear-gradient(135deg,#4b2fb5,#7e4bd6);--grad-wash:linear-gradient(160deg,#f4efff,#ffffff);--grad-soft:linear-gradient(135deg,#f3eeff,#ece4ff);--serif:"Noto Serif TC","Songti TC","PMingLiU",serif;--sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;--display:"Playfair Display",Georgia,"Times New Roman",serif;--hand:"Caveat","Segoe Print","Bradley Hand",cursive;--logo-filter:none;box-sizing:border-box;padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}@media 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