:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--app-platform-bg:#fff;--app-platform-fg:#1d1d1f;--app-platform-muted:#1d1d1f8c;--app-platform-border:#1d1d1f1f;--app-platform-active-bg:#1d1d1f14}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--app-platform-bg:#1c1c21;--app-platform-fg:#f5f5f7;--app-platform-muted:#f5f5f78c;--app-platform-border:#f5f5f724;--app-platform-active-bg:#f5f5f724}.app-platform-header{z-index:10;padding-top:env(safe-area-inset-top,0px);background:var(--app-platform-bg);color:var(--app-platform-fg);border-bottom:1px solid var(--app-platform-border);position:sticky;top:0}.app-platform-header-inner{align-items:center;gap:10px;height:44px;padding:0 12px 0 16px;display:flex}.app-platform-brand{color:inherit;flex-shrink:0;font-weight:600;text-decoration:none}.app-platform-app-name{white-space:nowrap;text-overflow:ellipsis;min-width:0;color:var(--app-platform-muted);flex:1;overflow:hidden}.app-platform-theme{border:1px solid var(--app-platform-border);border-radius:8px;flex-shrink:0;gap:2px;margin-left:auto;padding:2px;display:flex}.app-platform-theme-btn{width:34px;height:26px;color:var(--app-platform-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;place-items:center;padding:0;display:grid}.app-platform-theme-btn[aria-pressed=true]{background:var(--app-platform-active-bg);color:var(--app-platform-fg)}.app-platform-theme-btn:focus-visible{outline:2px solid var(--app-platform-fg);outline-offset:1px}.app-platform-actions{flex-shrink:0;align-items:center;gap:12px;font-size:13px;display:flex}.app-platform-actions a,.app-platform-actions button{color:inherit;font:inherit;white-space:nowrap;text-decoration:none}.app-platform-actions button{cursor:pointer;background:0 0;border:0;padding:4px 0}@media (width<=600px){.app-platform-header-inner{flex-wrap:wrap;height:auto;min-height:44px;padding-block:8px}.app-platform-actions{order:1;justify-content:flex-end;width:100%}}:root{color:var(--fg);background:var(--bg);font-synthesis:none;--fg:#263a37;--bg:#f3f1ea;--accent:#385e56;--muted:#77817a;--border:#d9dcd2;--surface:#faf9f4;--paper:#fffdf8;--secondary-text:#6d7770;--soft-bg:#e9ece3;--selected-bg:#e3e8dd;--notice-bg:#f2e5cf;--notice-border:#dfcfad;--warning:#735731;--danger:#986249;--map-line:#799183;font-family:PingFang SC,Microsoft 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var(--border);padding-left:18px;font-size:12px;font-weight:400}.top-note{color:var(--muted);font-size:12px}.library{max-width:1080px;margin:auto;padding:64px 28px 32px}.eyebrow{letter-spacing:2px;color:var(--muted);font-size:11px;font-weight:500}.intro h1{letter-spacing:2px;margin:20px 0;font-family:Songti SC,Noto Serif SC,serif;font-size:clamp(32px,4.5vw,48px);font-weight:500;line-height:1.45}.intro-copy{color:var(--secondary-text);font-size:14px;line-height:1.9}.books{grid-template-columns:1fr 1fr;gap:28px;margin-top:42px;display:grid}.book{border:1px solid var(--border);background:var(--surface);border-radius:5px;overflow:hidden}.book-info{padding:25px}.book-info .eyebrow{letter-spacing:1px;justify-content:space-between;gap:8px;margin-top:0;display:flex}h2{font-family:Songti SC,serif;font-weight:500}.book h2{margin:16px 0 12px;font-size:28px}.book-subtitle{color:var(--muted);margin:0 0 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