.offline-indicator{display:none;position:fixed;top:0;left:0;right:0;padding:12px 16px;background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#78350f;font-size:14px;font-weight:500;z-index:1001;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 12px #00000026}.offline-indicator.visible{display:flex}.offline-indicator svg{flex-shrink:0}.offline-text{font-weight:600}.offline-hint{font-size:12px;opacity:.8;margin-left:4px}@media(min-width:640px){.offline-indicator{padding:8px 24px}.offline-hint{margin-left:12px}}:root{--reader-line-height: var(--line-height-relaxed);--reader-max-width: var(--reading-max-width);--reader-font-size: 18px;--reader-font-family: "Noto Sans TC", sans-serif;--reader-font-weight: 400;--reader-line-height: 1.7;--reader-paragraph-spacing: 1.5em;--reader-text-align: left}[data-reader-theme=light]{--reader-bg: #FDFBF7;--reader-text: #2C2A25}[data-reader-theme=sepia]{--reader-bg: #F5F0E8;--reader-text: #4A4538}[data-reader-theme=green]{--reader-bg: #E8F0E8;--reader-text: #3A4A3A}[data-reader-theme=dark]{--reader-bg: #1E1E1C;--reader-text: #E8E6E0}[data-reader-theme=high-contrast]{--reader-bg: #000000;--reader-text: #FFFFFF;--reader-link: #FFFF00}[data-reader-theme=high-contrast] .reader-content a{color:var(--reader-link);text-decoration:underline}[data-reader-theme=high-contrast] .tool-btn,[data-reader-theme=high-contrast] .chapter-nav-btn{border:2px solid #FFFFFF}[data-reader-theme=high-contrast] .tool-btn.active,[data-reader-theme=high-contrast] .tool-btn:active{background:#ff0;color:#000}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}html{font-size:16px;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}body{font-family:var(--font-sans);background:var(--bg-outer);color:var(--text-dark);line-height:1.6;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding:0;overflow-x:hidden;position:relative;min-height:100vh}.reader-container{min-height:100dvh;background:var(--bg-reading);position:relative;overflow:hidden}@media(min-width:480px){.reader-container{min-height:100vh}}a{color:inherit;text-decoration:none}.btn-press{transition:all .2s cubic-bezier(.2,.8,.2,1)}.btn-press:active{transform:scale(.98);box-shadow:0 2px 4px #0000001a}.reader-container blockquote{display:none!important;visibility:hidden!important;height:0!important;overflow:hidden!important;margin:0!important;padding:0!important;opacity:0!important}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}.reader-page[data-astro-cid-zuhos5hv]{min-height:100vh;display:flex;flex-direction:column;align-items:center}.reader-immersive[data-astro-cid-zuhos5hv]{background:var(--bg-reading);color:var(--text-dark);min-height:100vh;width:100%;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);position:relative;transition:background var(--t-slow),color var(--t-slow)}.reader-progress[data-astro-cid-zuhos5hv]{position:fixed;top:0;left:0;right:0;height:2px;background:var(--color-border-light);z-index:101}.reader-progress-bar[data-astro-cid-zuhos5hv]{height:100%;background:var(--accent);transition:width .3s ease;width:0%}.reader-topbar[data-astro-cid-zuhos5hv]{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--bg-base);background-image:linear-gradient(to bottom,var(--bg-base) 60%,transparent 100%);padding:var(--spacing-2) var(--spacing-3);padding-top:calc(var(--spacing-2) + env(safe-area-inset-top,8px));transition:transform var(--t-normal),background var(--t-slow)}.reader-topbar[data-astro-cid-zuhos5hv].hidden{transform:translateY(-100%)}.reader-topbar-inner[data-astro-cid-zuhos5hv]{display:flex;align-items:center;gap:var(--space-2);max-width:900px;margin:0 auto;min-height:44px}.reader-topbar-back[data-astro-cid-zuhos5hv]{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:none;border-radius:var(--radius-md);background:#fff9;color:var(--text-dark);flex-shrink:0;transition:all var(--t-normal);text-decoration:none;touch-action:manipulation}.reader-topbar-back[data-astro-cid-zuhos5hv]:active{transform:scale(.98)}.reader-topbar-title[data-astro-cid-zuhos5hv]{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;font-family:var(--font-sans)}.reader-topbar-breadcrumb[data-astro-cid-zuhos5hv]{display:none;font-size:var(--text-xs);color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-topbar-breadcrumb[data-astro-cid-zuhos5hv] a[data-astro-cid-zuhos5hv]{color:var(--text-muted);text-decoration:none}.reader-stats[data-astro-cid-zuhos5hv]{display:none;align-items:center;gap:var(--space-2);font-size:var(--text-xs);color:var(--text-muted);margin-left:auto;padding-right:var(--space-2)}.reader-stats[data-astro-cid-zuhos5hv] .stat-item[data-astro-cid-zuhos5hv]{display:flex;align-items:center;gap:4px}.reader-stats[data-astro-cid-zuhos5hv] .stat-value[data-astro-cid-zuhos5hv]{font-weight:var(--font-medium);color:var(--text-dark)}.reader-stats[data-astro-cid-zuhos5hv] .stat-unit[data-astro-cid-zuhos5hv]{color:var(--text-muted)}.reader-stats[data-astro-cid-zuhos5hv] .stat-divider[data-astro-cid-zuhos5hv]{opacity:.4;margin:0 2px}.reader-stats[data-astro-cid-zuhos5hv] svg[data-astro-cid-zuhos5hv]{opacity:.6}.reader-bottombar[data-astro-cid-zuhos5hv]{position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--bg-base);padding:var(--spacing-2) var(--spacing-3);padding-bottom:calc(var(--spacing-2) + env(safe-area-inset-bottom,8px));transition:transform var(--t-normal),background var(--t-slow)}.reader-bottombar[data-astro-cid-zuhos5hv].hidden{transform:translateY(100%)}.reader-bottombar-inner[data-astro-cid-zuhos5hv]{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-2);max-width:900px;margin:0 auto}.reader-bottombar-tools[data-astro-cid-zuhos5hv]{display:flex;align-items:center;gap:var(--spacing-2)}.nav-btn[data-astro-cid-zuhos5hv]{display:flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-2);min-width:40px;min-height:40px;justify-content:center;border:1px solid var(--color-border-light);border-radius:var(--radius-md);background:var(--bg-base);color:var(--text-dark);font-size:0;font-weight:var(--font-medium);text-decoration:none;transition:all var(--t-normal);white-space:nowrap;flex-shrink:0}.nav-btn[data-astro-cid-zuhos5hv] svg[data-astro-cid-zuhos5hv]{width:18px;height:18px;flex-shrink:0}.nav-btn[data-astro-cid-zuhos5hv] .nav-label[data-astro-cid-zuhos5hv]{display:none}.nav-btn[data-astro-cid-zuhos5hv]:active{transform:scale(.98)}.nav-btn[data-astro-cid-zuhos5hv]:disabled{opacity:.3;pointer-events:none}.tool-btn[data-astro-cid-zuhos5hv]{display:flex;align-items:center;justify-content:center;gap:0;width:40px;height:40px;padding:0;border:1px solid var(--color-border-light);border-radius:var(--radius-md);background:var(--bg-base);color:var(--text-dark);font-size:0;font-weight:var(--font-medium);cursor:pointer;transition:all var(--t-normal);white-space:nowrap;flex-shrink:0}.tool-btn[data-astro-cid-zuhos5hv] svg[data-astro-cid-zuhos5hv]{width:18px;height:18px}.tool-btn[data-astro-cid-zuhos5hv] span[data-astro-cid-zuhos5hv]{display:none}.tool-btn[data-astro-cid-zuhos5hv]:active{transform:scale(.98)}.tool-btn[data-astro-cid-zuhos5hv].active{color:var(--accent);border-color:var(--accent)}.reader-content[data-astro-cid-zuhos5hv]{padding:var(--space-8) var(--space-6);padding-top:80px;padding-bottom:160px;font-family:var(--font-serif);font-size:var(--reader-font-size, var(--text-reading));line-height:var(--reader-line-height, var(--line-height-relaxed));letter-spacing:var(--reader-letter-spacing, .5px);max-width:var(--reading-max-width);margin:0 auto;text-align:justify}.chapter-heading[data-astro-cid-zuhos5hv]{font-size:var(--text-2xl);font-weight:var(--font-semibold);margin-bottom:var(--spacing-6);color:var(--text-dark);letter-spacing:.05em;text-align:center;font-family:var(--font-serif)}.chapter-part[data-astro-cid-zuhos5hv]{display:block;font-size:var(--text-sm);color:var(--text-muted);margin-bottom:var(--spacing-2);font-weight:var(--font-normal)}.reader-content[data-astro-cid-zuhos5hv] p[data-astro-cid-zuhos5hv]{margin-bottom:var(--reading-paragraph-space);text-indent:var(--reading-text-indent)}.reader-content blockquote{display:none!important}.sheet-overlay[data-astro-cid-zuhos5hv]{position:fixed;inset:0;z-index:200;background:#00000080;opacity:0;pointer-events:none;transition:opacity var(--t-fast)}.sheet-overlay[data-astro-cid-zuhos5hv].active{opacity:1;pointer-events:auto}.sheet-content[data-astro-cid-zuhos5hv]{position:absolute;bottom:0;left:0;right:0;background:var(--bg-base);border-radius:var(--radius-xl) var(--radius-xl) 0 0;max-height:80vh;display:flex;flex-direction:column;transform:translateY(100%);transition:transform .5s cubic-bezier(.32,.72,0,1)}.sheet-overlay[data-astro-cid-zuhos5hv].active .sheet-content[data-astro-cid-zuhos5hv]{transform:translateY(0)}.sheet-handle[data-astro-cid-zuhos5hv]{width:36px;height:4px;background:var(--border-medium);border-radius:var(--radius-full);margin:var(--spacing-3) auto;opacity:.3}.sheet-header[data-astro-cid-zuhos5hv]{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-3) var(--spacing-4);border-bottom:1px solid var(--color-border-light)}.sheet-header[data-astro-cid-zuhos5hv] h3[data-astro-cid-zuhos5hv]{font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--text-dark)}.sheet-close[data-astro-cid-zuhos5hv]{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:none;border-radius:var(--radius-md);background:transparent;color:var(--text-dark);cursor:pointer;touch-action:manipulation}.sheet-body[data-astro-cid-zuhos5hv]{padding:var(--spacing-4);overflow-y:auto;flex:1}.sheet-body[data-astro-cid-zuhos5hv] .toc-item[data-astro-cid-zuhos5hv]{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-3) 0;border-bottom:1px solid var(--color-border-light);text-decoration:none;color:var(--text-dark);font-size:var(--text-sm);font-weight:var(--font-medium);transition:all var(--t-fast)}.sheet-body[data-astro-cid-zuhos5hv] .toc-item[data-astro-cid-zuhos5hv]:active{transform:translate(2px,2px)}.sheet-body[data-astro-cid-zuhos5hv] .toc-item[data-astro-cid-zuhos5hv].active{color:var(--accent)}.toc-current[data-astro-cid-zuhos5hv]{font-size:var(--text-xs);color:var(--accent)}.nav-item[data-astro-cid-zuhos5hv]{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-2);border-bottom:1px solid var(--color-border-light);text-decoration:none;color:var(--text-dark);font-size:var(--text-base);font-weight:var(--font-medium);transition:all var(--t-fast)}.nav-item[data-astro-cid-zuhos5hv]:active{transform:translate(2px,2px)}.nav-item[data-astro-cid-zuhos5hv] svg[data-astro-cid-zuhos5hv]{color:var(--text-muted);flex-shrink:0}.setting-group[data-astro-cid-zuhos5hv]{margin-bottom:var(--spacing-4)}.setting-label[data-astro-cid-zuhos5hv]{font-size:var(--text-sm);font-weight:var(--font-semibold);color:var(--text-dark);margin-bottom:var(--spacing-2);display:flex;justify-content:space-between}.setting-row[data-astro-cid-zuhos5hv]{display:flex;gap:var(--spacing-2)}.setting-row[data-astro-cid-zuhos5hv].font-options{flex-wrap:wrap}.setting-row[data-astro-cid-zuhos5hv].font-options .setting-btn[data-astro-cid-zuhos5hv]{flex:1;min-width:calc(50% - var(--spacing-1));padding:var(--spacing-2);font-size:var(--text-xs)}.setting-btn[data-astro-cid-zuhos5hv]{flex:1;padding:var(--spacing-3);border:1px solid var(--color-border-light);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:var(--font-medium);cursor:pointer;transition:all var(--t-fast);text-align:center;background:var(--bg-base);color:var(--text-dark)}.setting-btn[data-astro-cid-zuhos5hv]:active{transform:translate(2px,2px)}.setting-btn[data-astro-cid-zuhos5hv].active{background:var(--accent);color:#2a2520;border-color:var(--accent)}.setting-range[data-astro-cid-zuhos5hv]{display:flex;align-items:center;gap:var(--spacing-2)}.range-label[data-astro-cid-zuhos5hv]{font-size:var(--text-xs);color:var(--text-muted)}.range-label[data-astro-cid-zuhos5hv].large{font-size:var(--text-lg)}input[data-astro-cid-zuhos5hv][type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:var(--color-border-light);border-radius:var(--radius-full);outline:none;cursor:pointer}input[data-astro-cid-zuhos5hv][type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;background:var(--accent);border-radius:50%;cursor:grab;transition:transform var(--t-fast)}input[data-astro-cid-zuhos5hv][type=range]::-webkit-slider-thumb:active{cursor:grabbing;transform:scale(1.1)}.tts-body[data-astro-cid-zuhos5hv]{text-align:center}.tts-play-btn[data-astro-cid-zuhos5hv]{width:64px;height:64px;border:2px solid var(--color-border-light);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;cursor:pointer;margin:0 auto var(--spacing-4);background:var(--accent);color:#fff;transition:all var(--t-fast)}.tts-play-btn[data-astro-cid-zuhos5hv]:active{transform:scale(.98)}.tts-progress-wrap[data-astro-cid-zuhos5hv]{margin-bottom:var(--spacing-4);padding:0 var(--spacing-2)}.tts-range-slider[data-astro-cid-zuhos5hv]{width:100%}.tts-progress-label[data-astro-cid-zuhos5hv]{display:flex;justify-content:center;gap:var(--spacing-1);font-size:var(--text-xs);color:var(--text-muted);margin-top:var(--spacing-2);font-weight:var(--font-medium)}.tts-control[data-astro-cid-zuhos5hv]{max-width:300px;margin:0 auto;text-align:left}.tts-label[data-astro-cid-zuhos5hv]{display:flex;justify-content:space-between;font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-muted);margin-top:var(--spacing-3)}.reader-content[data-astro-cid-zuhos5hv] p[data-astro-cid-zuhos5hv][data-tts-idx].tts-active{background:#cfb99726;border-left:3px solid var(--accent);padding-left:var(--spacing-3);margin-left:calc(-1 * var(--spacing-3));transition:all var(--t-fast)}.hidden[data-astro-cid-zuhos5hv]{display:none!important}@media(min-width:768px){.reader-topbar[data-astro-cid-zuhos5hv],.reader-bottombar[data-astro-cid-zuhos5hv]{padding:var(--spacing-3) var(--spacing-6)}.reader-topbar-title[data-astro-cid-zuhos5hv]{display:none}.reader-topbar-breadcrumb[data-astro-cid-zuhos5hv]{display:block;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reader-stats[data-astro-cid-zuhos5hv]{display:flex}.reader-topbar-back[data-astro-cid-zuhos5hv]{width:48px;height:48px}.nav-btn[data-astro-cid-zuhos5hv]{padding:var(--spacing-2) var(--spacing-3);font-size:var(--text-sm);min-width:auto;gap:var(--spacing-1)}.nav-btn[data-astro-cid-zuhos5hv] .nav-label[data-astro-cid-zuhos5hv]{display:inline}.nav-btn[data-astro-cid-zuhos5hv] svg[data-astro-cid-zuhos5hv]{width:16px;height:16px}.tool-btn[data-astro-cid-zuhos5hv]{width:auto;height:auto;padding:var(--spacing-2) var(--spacing-3);font-size:var(--text-xs);gap:var(--spacing-1)}.tool-btn[data-astro-cid-zuhos5hv] span[data-astro-cid-zuhos5hv]{display:inline}.tool-btn[data-astro-cid-zuhos5hv] svg[data-astro-cid-zuhos5hv]{width:16px;height:16px}.reader-content[data-astro-cid-zuhos5hv]{max-width:var(--content-max-width);padding-left:var(--space-8);padding-right:var(--space-8);padding-top:100px;padding-bottom:160px;font-size:var(--text-2xl)}.reader-page[data-astro-cid-zuhos5hv]{display:block}}@media(min-width:1024px){.reader-content[data-astro-cid-zuhos5hv]{max-width:72ch;font-size:var(--text-2xl);line-height:var(--line-height-relaxed)}.reader-topbar-inner[data-astro-cid-zuhos5hv],.reader-bottombar-inner[data-astro-cid-zuhos5hv]{max-width:820px}}[data-theme=night]{--bg-reading: #1e1e1c;--text-dark: #e8e6e0;--text-muted: #a8a49c;--color-border-light: rgba(255, 255, 255, .08);--color-border: rgba(255, 255, 255, .12);--bg-base: #242420;--accent: #d4a574}[data-theme=night] .reader-topbar-back[data-astro-cid-zuhos5hv],[data-theme=night] .nav-btn[data-astro-cid-zuhos5hv],[data-theme=night] .tool-btn[data-astro-cid-zuhos5hv]{background:#242420cc;border-color:#ffffff1f;color:var(--text-dark)}[data-theme=sepia]{--bg-reading: #f5f0e8;--text-dark: #4a4538;--text-muted: #6b5f4f;--color-border-light: rgba(74, 69, 56, .08);--color-border: rgba(74, 69, 56, .15);--bg-base: #faf6ef;--accent: #8b7355}[data-theme=green]{--bg-reading: #E8F0E8;--text-dark: #3A4A3A;--text-muted: #5A6A5A;--color-border-light: rgba(58, 74, 58, .08);--color-border: rgba(58, 74, 58, .15);--bg-base: #F0F5F0;--accent: #6B8B6B}[data-theme=light]{--bg-reading: #FDFBF7;--bg-base: #FFFFFF;--text-dark: #1a1a1a;--text-muted: #666666;--color-border-light: #e5e5e5}.theme-options[data-astro-cid-zuhos5hv]{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.theme-btn[data-astro-cid-zuhos5hv]{aspect-ratio:1;border-radius:12px;border:2px solid transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;font-size:12px}.theme-btn[data-astro-cid-zuhos5hv].active{border-color:var(--accent)}