:root{--bg: #071321;--panel: rgba(16, 30, 52, .78);--panel-solid: #12233c;--panel-border: rgba(170, 200, 230, .16);--ink: #f4f1ea;--ink-soft: rgba(236, 232, 224, .74);--ink-mute: rgba(220, 220, 220, .55);--accent: #ff9b6a;--accent-ink: #2a1408;--gold: #ffd27a;--btn: rgba(22, 38, 64, .86);--btn-hover: rgba(36, 58, 92, .95);--focus: #ffe2a3;--paper: #f6e6c2;--paper-ink: #3e2b18;--radius: 22px;--font-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;--font-serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;--font-hand: "LXGW WenKai TC", "Patrick Hand", "Kaiti TC", "KaiTi", "STKaiti", serif;--safe-t: env(safe-area-inset-top, 0px);--safe-r: env(safe-area-inset-right, 0px);--safe-b: env(safe-area-inset-bottom, 0px);--safe-l: env(safe-area-inset-left, 0px);--gap: clamp(12px, 2.4vw, 24px);color-scheme:dark}html:lang(en){--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;--font-serif: Georgia, "Times New Roman", "Noto Serif 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(max-height: 520px){.home-title{margin-top:12px}.title{font-size:clamp(1.6rem,6vh,2.6rem)}.home-menu{gap:8px}.home-menu .btn{min-height:44px;padding:6px 18px}.chapter-card-overlay .cc-name{font-size:1.8rem}}.reduce-motion .chapter-card,.reduce-motion .paper-wrap,.reduce-motion .modal{animation:none!important}