@import"https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&family=Noto+Sans+TC:wght@300;400;500;600;700&display=swap";:root{--dddk-bg: #ffffff;--dddk-bg-elevated: #ffffff;--dddk-bg-overlay: rgba(0, 0, 0, .45);--dddk-mobile-bar: rgba(255, 255, 255, .82);--dddk-text: #18181b;--dddk-text-muted: #71717a;--dddk-text-on-accent: #ffffff;--dddk-accent: #ec4899;--dddk-accent-hover: #db2777;--dddk-accent-soft: rgba(236, 72, 153, .12);--dddk-border: rgba(0, 0, 0, .08);--dddk-radius: 10px;--dddk-radius-sm: 6px;--dddk-blur: 16px;--dddk-shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--dddk-shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--dddk-shadow-lg: 0 12px 32px rgba(0, 0, 0, .12);--dddk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--dddk-font-mono: ui-monospace, "SF Mono", Menlo, monospace;--dddk-font-size-sm: 12px;--dddk-font-size-md: 14px;--dddk-font-size-lg: 16px;--dddk-font-weight-medium: 500;--dddk-line-height: 1.55;--dddk-palette-width: 600px;--dddk-palette-max-height: 480px;--dddk-bar-bg: rgba(255, 255, 255, .98);--dddk-bar-bottom: 32px;--dddk-bar-font: var(--dddk-font);--dddk-bar-max-width: 720px;--dddk-bar-padding: 12px 18px;--dddk-bar-radius: 12px;--dddk-bar-shadow: 0 12px 36px rgba(0, 0, 0, .18), 0 2px 8px rgba(0, 0, 0, .08);--dddk-bar-text: var(--dddk-text, #18181b);--dddk-bar-border: rgba(0, 0, 0, .12);--dddk-dwell-frame-color: var(--dddk-accent);--dddk-dwell-frame-width: 2px;--dddk-dwell-frame-style: solid;--dddk-dwell-frame-offset: 3px;--dddk-dwell-frame-radius: var(--dddk-radius-sm);--dddk-palette-row-padding: 9px 16px;--dddk-palette-row-gap: 12px;--dddk-palette-row-radius: var(--dddk-radius-sm);--dddk-palette-icon-size: 16px;--dddk-palette-icon-color: var(--dddk-text-muted);--dddk-palette-icon-color-active: var(--dddk-accent);--dddk-palette-prefix-font: inherit;--dddk-palette-prefix-font-size: var(--dddk-font-size-md);--dddk-palette-prefix-bg: transparent;--dddk-palette-prefix-color: var(--dddk-text-muted);--dddk-palette-prefix-radius: 0;--dddk-palette-prefix-padding: 0;--dddk-palette-name-color: var(--dddk-text);--dddk-palette-name-color-active: var(--dddk-text);--dddk-palette-name-font-size: var(--dddk-font-size-md);--dddk-palette-name-font-weight: var(--dddk-font-weight-medium);--dddk-palette-dash-color: var(--dddk-text-muted);--dddk-palette-dash-opacity: .55;--dddk-palette-desc-color: var(--dddk-text-muted);--dddk-palette-desc-color-active: var(--dddk-text-muted);--dddk-palette-desc-font-size: var(--dddk-font-size-sm);--dddk-palette-desc-opacity-active: 1;--dddk-palette-shortcut-color: var(--dddk-text-muted);--dddk-palette-shortcut-font: var(--dddk-font-mono);--dddk-palette-shortcut-font-size: var(--dddk-font-size-sm);--dddk-palette-shortcut-opacity: .6;--dddk-palette-section-color: var(--dddk-text-muted);--dddk-palette-section-font-size: 12px;--dddk-palette-section-font-weight: 500;--dddk-palette-section-letter-spacing: 0;--dddk-palette-section-padding: 14px 16px 6px;--dddk-palette-section-text-transform: none;--dddk-palette-section-bg: var(--dddk-bg-elevated);--dddk-palette-row-bg-hover: rgba(0, 0, 0, .04);--dddk-palette-row-bg-active: rgba(0, 0, 0, .06);--dddk-palette-row-arrow-color: var(--dddk-text-muted);--dddk-palette-match-bg: rgba(250, 204, 21, .35);--dddk-palette-match-color: inherit;--dddk-palette-match-radius: 2px;--dddk-palette-match-weight: 600;--dddk-palette-kbd-bg: rgba(0, 0, 0, .05);--dddk-palette-kbd-color: var(--dddk-text-muted);--dddk-z-pointer: 9400;--dddk-z-palette: 9700;--dddk-z-bar: 9950;--dddk-z-cursor: 9990;--dddk-z-fab: 10000}[data-theme=dark]{--dddk-bg: #09090b;--dddk-bg-elevated: #18181b;--dddk-bg-overlay: rgba(0, 0, 0, .6);--dddk-mobile-bar: rgba(24, 24, 27, .85);--dddk-text: #fafafa;--dddk-text-muted: #a1a1aa;--dddk-border: rgba(255, 255, 255, .1);--dddk-accent-soft: rgba(236, 72, 153, .18);--dddk-shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--dddk-shadow-md: 0 4px 16px rgba(0, 0, 0, .5);--dddk-shadow-lg: 0 12px 32px rgba(0, 0, 0, .6);--dddk-bar-bg: rgba(38, 38, 44, .96);--dddk-bar-text: var(--dddk-text, #fafafa);--dddk-bar-border: rgba(255, 255, 255, .14);--dddk-bar-shadow: 0 16px 48px rgba(0, 0, 0, .55), 0 2px 12px rgba(0, 0, 0, .3);--dddk-palette-row-bg-hover: rgba(255, 255, 255, .05);--dddk-palette-row-bg-active: rgba(255, 255, 255, .08);--dddk-palette-match-bg: rgba(250, 204, 21, .25);--dddk-palette-match-color: #fde68a;--dddk-palette-kbd-bg: rgba(255, 255, 255, .08)}@media (prefers-color-scheme: dark){:root:not([data-theme]){--dddk-bg: #09090b;--dddk-bg-elevated: #18181b;--dddk-bg-overlay: rgba(0, 0, 0, .6);--dddk-mobile-bar: rgba(24, 24, 27, .85);--dddk-text: #fafafa;--dddk-text-muted: #a1a1aa;--dddk-border: rgba(255, 255, 255, .1);--dddk-accent-soft: rgba(236, 72, 153, .18);--dddk-shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--dddk-shadow-md: 0 4px 16px rgba(0, 0, 0, .5);--dddk-shadow-lg: 0 12px 32px rgba(0, 0, 0, .6);--dddk-bar-bg: rgba(38, 38, 44, .96);--dddk-bar-text: var(--dddk-text, #fafafa);--dddk-bar-border: rgba(255, 255, 255, .14);--dddk-bar-shadow: 0 16px 48px rgba(0, 0, 0, .55), 0 2px 12px rgba(0, 0, 0, .3);--dddk-palette-row-bg-hover: rgba(255, 255, 255, .05);--dddk-palette-row-bg-active: rgba(255, 255, 255, .08);--dddk-palette-match-bg: rgba(250, 204, 21, .25);--dddk-palette-match-color: #fde68a;--dddk-palette-kbd-bg: rgba(255, 255, 255, .08)}}:root,[data-theme=dark]{--bg: #0a0a0b;--bg-elevated: #111114;--bg-surface: #16161a;--bg-overlay: rgba(0, 0, 0, .6);--text: #e6e6ea;--text-secondary: #c9c9d1;--text-muted: #8a8a96;--text-subtle: #5a5a64;--border: rgba(255, 255, 255, .08);--border-subtle: rgba(255, 255, 255, .04);--accent: #6366f1;--accent-hover: #818cf8;--accent-soft: rgba(99, 102, 241, .15);--grid-line: rgba(255, 255, 255, .025);--grid-major: rgba(255, 255, 255, .05);--success: #10b981;--warn: #f59e0b;--error: #ef4444;--dddk-bg: var(--bg-elevated);--dddk-bg-elevated: var(--bg-elevated);--dddk-bg-overlay: var(--bg-overlay);--dddk-text: var(--text);--dddk-text-muted: var(--text-muted);--dddk-text-on-accent: #ffffff;--dddk-accent: var(--accent);--dddk-accent-hover: var(--accent-hover);--dddk-accent-soft: var(--accent-soft);--dddk-border: var(--border);--dddk-font: "Geist", "Noto Sans TC", system-ui, sans-serif;--dddk-font-mono: "Geist Mono", ui-monospace, monospace;--dddk-shadow-lg: 0 24px 64px rgba(0, 0, 0, .7), 0 2px 8px rgba(0, 0, 0, .4);--dddk-palette-width: 640px;--dddk-blur: 18px}[data-theme=light]{--bg: #fbfbfd;--bg-elevated: #ffffff;--bg-surface: #f4f4f7;--bg-overlay: rgba(0, 0, 0, .32);--text: #18181b;--text-secondary: #3f3f46;--text-muted: #71717a;--text-subtle: #a1a1aa;--border: rgba(0, 0, 0, .08);--border-subtle: rgba(0, 0, 0, .04);--accent: #4f46e5;--accent-hover: #4338ca;--accent-soft: rgba(79, 70, 229, .1);--grid-line: rgba(0, 0, 0, .025);--grid-major: rgba(0, 0, 0, .05);--dddk-bg: var(--bg-elevated);--dddk-bg-elevated: var(--bg-elevated);--dddk-bg-overlay: var(--bg-overlay);--dddk-text: var(--text);--dddk-text-muted: var(--text-muted);--dddk-accent: var(--accent);--dddk-accent-hover: var(--accent-hover);--dddk-accent-soft: var(--accent-soft);--dddk-border: var(--border);--dddk-shadow-lg: 0 24px 64px rgba(0, 0, 0, .18), 0 2px 8px rgba(0, 0, 0, .08)}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--text);font:14px/1.6 Geist,Noto Sans TC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:-.005em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px);background-size:32px 32px,32px 32px,128px 128px,128px 128px;background-attachment:fixed}::selection{background:var(--accent);color:#fff}[data-theme=dark] ::selection{background:var(--accent-hover);color:#fff}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-subtle)}a{color:inherit;text-decoration:none}.layout{display:grid;grid-template-columns:208px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;align-self:start;padding:20px 14px;height:100vh;overflow-y:auto;border-right:2px solid var(--border-strong, var(--border));background:var(--bg);display:flex;flex-direction:column;gap:18px}.sidebar-brand{display:flex;align-items:center;gap:10px;color:var(--text);padding:0 6px}.sidebar-brand-icon{width:32px;height:32px;display:block;border-radius:8px}.sidebar-brand-text{font-weight:600;font-size:15px;letter-spacing:-.3px}.sidebar-nav{display:flex;flex-direction:column;gap:1px}.sidebar-link{display:flex;align-items:center;padding:6px 10px;border-radius:6px;font-size:13px;font-weight:400;color:var(--text-secondary);border:0;background:transparent;text-align:left;font-family:inherit;cursor:pointer;transition:color .12s,background .12s}.sidebar-link:hover{color:var(--text);background:var(--bg-surface)}.sidebar-link.active{color:var(--text);font-weight:500;background:var(--bg-surface)}.sidebar-bottom{margin-top:auto;display:flex;flex-direction:column;gap:1px;padding-top:12px;border-top:1px solid var(--border-subtle)}.sidebar-bottom-link{padding:5px 10px;font-size:12px;color:var(--text-subtle);border:0;background:transparent;font-family:inherit;text-align:left;cursor:pointer;border-radius:6px;transition:color .12s,background .12s}.sidebar-bottom-link:hover{color:var(--text);background:var(--bg-surface)}.main{min-width:0}.main-content{max-width:1120px;padding:40px 48px 0;min-width:0}@media (max-width: 860px){.layout{grid-template-columns:1fr}.sidebar{position:static;height:auto;padding:14px 18px;border-right:0;border-bottom:2px solid var(--border-strong, var(--border));flex-direction:row;align-items:center;gap:16px;flex-wrap:wrap}.sidebar-brand{margin-right:auto;padding:0}.sidebar-nav{flex-direction:row;flex-wrap:wrap;gap:2px}.sidebar-bottom{display:flex;flex-direction:row;flex-wrap:wrap;gap:4px;align-items:center;margin-left:auto}.sidebar-bottom-link{padding:4px 8px;font-size:12px}.main-content{padding:24px 20px 0;padding-bottom:calc(env(safe-area-inset-bottom,0px) + 110px)}}@media (max-width: 640px){.sidebar{padding:10px 14px;gap:10px}.sidebar-brand-icon{width:28px;height:28px;border-radius:7px}.sidebar-brand-text{font-size:14px;letter-spacing:-.2px}.sidebar-link{font-size:12.5px;padding:5px 9px}.main-content{padding:18px 14px 0;padding-bottom:calc(env(safe-area-inset-bottom,0px) + 110px)}}@media (max-width: 480px){.sidebar{flex-wrap:wrap;row-gap:8px;padding:10px 14px}.sidebar-brand-icon{width:26px;height:26px}.sidebar-brand-text{font-size:13.5px}.sidebar-nav{width:100%;justify-content:flex-start;gap:2px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}.sidebar-nav::-webkit-scrollbar{display:none}.sidebar-link{flex-shrink:0;font-size:12.5px;padding:5px 9px}.main-content{padding:16px 14px 0}}.home-hero-h1{font-size:56px;font-weight:700;letter-spacing:-2px;line-height:1.02;margin:0 0 22px}.home-hero-lead{font-size:17px;line-height:1.7;color:var(--text-secondary);max-width:640px;margin:0 0 26px}@media (max-width: 640px){.home-hero-h1{font-size:38px;letter-spacing:-1px}.home-hero-lead{font-size:15px}}@media (max-width: 420px){.home-hero-h1{font-size:32px}}.hero-accent-line{width:28px;height:2.5px;background:var(--accent);border-radius:2px;margin-bottom:18px}.page-h1{font-size:38px;font-weight:600;letter-spacing:-1px;margin:0 0 14px}.page-lead{font-size:15px;color:var(--text-secondary);line-height:1.7;max-width:640px;margin:0 0 18px}h1,h2,h3,h4{color:var(--text);letter-spacing:-.3px;line-height:1.15}.section h1{font-size:44px;font-weight:600;letter-spacing:-1px;line-height:1.06;margin:0 0 18px}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;font-family:inherit;transition:all .15s;background:transparent;color:var(--text)}.btn:hover{transform:translateY(-1px)}.btn-dark,.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-dark:hover,.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-outline{background:var(--bg-surface);border-color:var(--border-strong, rgba(127, 127, 127, .3));color:var(--text)}.btn-outline:hover{background:var(--bg-elevated);border-color:var(--text-muted)}.btn-sm{padding:7px 14px;font-size:12px}.btn-ghost-icon{background:var(--bg-surface);border-color:var(--border);color:var(--text);gap:8px;padding:9px 14px;font-size:13.5px}.btn-ghost-icon:hover{background:var(--bg-elevated);border-color:var(--text-muted)}.btn-meta{font-size:10.5px;font-weight:500;letter-spacing:.04em;color:var(--text-muted);padding-left:8px;margin-left:2px;border-left:1px solid var(--border);text-transform:uppercase}.section{position:relative;padding:48px 0;border-top:1px solid var(--border-subtle)}.section:first-child{border-top:0;padding-top:12px}.section-label{display:inline-block;font-family:Geist Mono,monospace;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:10px}.section h2{font-size:26px;font-weight:600;letter-spacing:-.5px;margin:0 0 14px;line-height:1.22}.section p{font-size:14.5px;line-height:1.7;color:var(--text-secondary);margin:0 0 12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}@media (max-width: 860px){.split{grid-template-columns:1fr;gap:28px}.split>:has(.section-label){order:0}.split>:not(:has(.section-label)){order:1}}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:20px 22px}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media (max-width: 720px){.feature-grid{grid-template-columns:1fr}}.feature{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:18px 20px 16px}.feature-num{font-family:Geist Mono,monospace;font-size:10.5px;font-weight:700;color:var(--accent);margin-bottom:6px;letter-spacing:.05em}.feature h3{font-size:15.5px;font-weight:600;margin:0 0 6px;letter-spacing:-.2px}.feature p{font-size:13px;line-height:1.65;color:var(--text-secondary);margin:0}.feature-note{font-size:11.5px!important;line-height:1.55!important;color:var(--text-muted)!important;margin-top:8px!important;padding-top:8px;border-top:1px dashed var(--border, rgba(127,127,127,.2));font-style:italic}pre,.code-block{background:var(--bg-surface);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:18px 22px;margin:14px 0;font-family:Geist Mono,monospace;font-size:13px;line-height:1.65;overflow-x:auto}code{background:var(--accent-soft);color:var(--text);padding:1px 6px;border-radius:4px;font-family:Geist Mono,monospace;font-size:.9em}pre code{background:transparent;padding:0}kbd{background:var(--bg-surface);border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;padding:1px 6px;font-size:11px;font-family:Geist Mono,monospace;color:var(--text-muted)}.palette-mock{background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 32px #0000001f;overflow:hidden;font-family:Geist,Noto Sans TC,system-ui,sans-serif}.palette-mock-input-row{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border)}.palette-mock-input{flex:1;font-size:15px;color:var(--text-muted)}.palette-mock-kbd{font-family:Geist Mono,monospace;font-size:11px;padding:2px 8px;background:var(--bg-surface);border:1px solid var(--border);border-radius:5px;color:var(--text-muted)}.palette-mock-section{padding:10px 18px 4px;font-size:11px;color:var(--text-muted);letter-spacing:.02em;background:var(--bg-elevated)}.palette-mock-item{position:relative;display:flex;align-items:center;gap:10px;padding:8px 18px;font-size:13.5px;color:var(--text);border-radius:6px;margin:0 6px}.palette-mock-item[data-active=true]{background:#0000000f;padding-right:32px}:global(.theme-dark) .palette-mock-item[data-active=true],[data-theme=dark] .palette-mock-item[data-active=true]{background:#ffffff0f}.palette-mock-item[data-active=true]:after{content:"→";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px}.palette-mock-icon{width:18px;text-align:center;flex-shrink:0;color:var(--text-muted)}.palette-mock-prefix{font-weight:500;color:var(--text)}.palette-mock-dash{color:var(--text-muted);opacity:.55}.palette-mock-desc{flex:1;min-width:0;color:var(--text-muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.palette-mock-footer{display:flex;gap:18px;padding:10px 18px;border-top:1px solid var(--border);font-size:11px;color:var(--text-muted);margin-top:6px}.palette-mock-footer kbd{display:inline-block;min-width:14px;padding:0 4px;background:#0000000d;border-radius:3px;font-family:Geist Mono,monospace;font-size:10px;color:var(--text-muted);margin:0 2px}[data-theme=dark] .palette-mock-footer kbd{background:#ffffff14}.subtitle-mock-wrap{display:flex;flex-direction:column;gap:4px}.subtitle-mock-meta{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:2px;font-family:Geist Mono,monospace}.subtitle-mock-indicator{align-self:flex-start;padding:4px 10px;font-size:11px;font-weight:600;background:var(--accent);color:var(--text-on-accent, #fff);border-radius:999px;letter-spacing:.02em}.subtitle-mock-bar{background:var(--bg-elevated);border:1px solid var(--accent);border-radius:14px;padding:14px 16px;box-shadow:0 4px 16px #00000014;font-family:Geist,Noto Sans TC,system-ui,sans-serif;font-size:14px;color:var(--text)}.subtitle-mock-bar-row{display:flex;align-items:center;gap:12px}.subtitle-mock-bar-row .subtitle-mock-text{flex:1}.subtitle-mock-icons{display:flex;gap:6px;flex-shrink:0}.subtitle-mock-icon-btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-muted);font-size:14px;line-height:1}.subtitle-mock-icon-accept{background:var(--accent);border-color:var(--accent);color:var(--text-on-accent, #fff)}.subtitle-mock-hint-yn{margin-top:8px;padding-top:0;border-top:0}.subtitle-mock-text{line-height:1.55}.subtitle-mock-buttons{display:flex;gap:8px;margin-top:10px}.subtitle-mock-btn{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:transparent;color:var(--text);padding:7px 10px;border-radius:8px;font:inherit;font-size:12.5px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:default}.subtitle-mock-btn-accept{background:var(--accent);border-color:var(--accent);color:var(--text-on-accent, #fff)}.subtitle-mock-btn kbd{padding:1px 6px;background:#00000014;color:var(--text-muted);border-radius:3px;font-family:Geist Mono,monospace;font-size:10px}[data-theme=dark] .subtitle-mock-btn kbd{background:#ffffff14}.subtitle-mock-btn-accept kbd,[data-theme=dark] .subtitle-mock-btn-accept kbd{background:#ffffff47;color:#fffffff2}.subtitle-mock-choice-list{display:flex;flex-direction:column;margin-top:10px;border-top:1px solid rgba(99,102,241,.18);padding-top:8px}.subtitle-mock-choice{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:0;text-align:left;display:flex;align-items:center;gap:10px;padding:6px 4px;font:inherit;font-size:13px;color:var(--text);cursor:default;border-radius:6px}.subtitle-mock-choice:hover{background:#0000000a}[data-theme=dark] .subtitle-mock-choice:hover{background:#ffffff0f}.subtitle-mock-choice kbd{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;background:#0000000d;border-radius:4px;font-family:Geist Mono,monospace;font-size:11px;color:var(--text-muted)}[data-theme=dark] .subtitle-mock-choice 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