:root{--bg: #f6f6f7;--surface: #ffffff;--surface-2: #eeeef1;--text: #18181b;--muted: #5d5d68;--line: #e1e1e6;--accent: #2f55d4;--accent-soft: #e7ecfc;--warn: #9a5b00;--warn-soft: #fdf1dc;--shadow: 0 1px 2px rgb(24 30 60 / .05), 0 8px 24px -12px rgb(24 30 60 / .18);--r-lg: 16px;--r-md: 10px;--r-sm: 6px;--font: "Geist", "Noto Sans TC", system-ui, -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif;--mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0e0e11;--surface: #16161a;--surface-2: #1f1f25;--text: #ececf0;--muted: #a0a0ac;--line: #2a2a32;--accent: #8ea6ff;--accent-soft: #1b2341;--warn: #f2b860;--warn-soft: #2e2413;--shadow: 0 1px 2px rgb(0 0 0 / .3), 0 12px 32px -16px rgb(0 0 0 / .6);color-scheme:dark}}:root[data-theme=dark]{--bg: #0e0e11;--surface: #16161a;--surface-2: #1f1f25;--text: #ececf0;--muted: #a0a0ac;--line: #2a2a32;--accent: #8ea6ff;--accent-soft: #1b2341;--warn: #f2b860;--warn-soft: #2e2413;--shadow: 0 1px 2px rgb(0 0 0 / .3), 0 12px 32px -16px rgb(0 0 0 / .6);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scrollbar-gutter:stable}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}[hidden]{display:none!important}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px;transition:color .2s,text-decoration-color .2s}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--r-sm)}h1,h2,h3{line-height:1.3;margin:0;font-weight:700;text-wrap:balance}h1{font-size:clamp(1.75rem,4.2vw,2.75rem);letter-spacing:-.02em}h2{font-size:1.35rem;letter-spacing:-.01em}h3{font-size:1.05rem;font-weight:600}p{text-wrap:pretty}.wrap{max-width:1120px;margin:0 auto;padding-inline:16px}@media(min-width:768px){.wrap{padding-inline:32px}}.skip{position:absolute;left:16px;top:-48px;background:var(--accent);color:#fff;padding:8px 12px;border-radius:var(--r-sm);z-index:10}.skip:focus{top:8px}.site-header{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--text);text-decoration:none;letter-spacing:-.01em}.brand .mark{display:inline-grid;place-items:center;min-width:28px;padding:0 5px;height:28px;border-radius:var(--r-sm);background:var(--accent);color:#fff;font:600 .8rem/1 var(--mono)}.nav{display:flex;align-items:center;gap:20px}@media(max-width:359px){.nav .wide-only{display:none}}.theme-toggle{display:inline-grid;place-items:center;width:34px;height:34px;margin-left:-6px;padding:0;border:1px solid var(--line);border-radius:var(--r-md);background:transparent;color:var(--muted);cursor:pointer}.theme-toggle:hover{color:var(--text);border-color:var(--muted)}.theme-toggle svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.theme-toggle .sun{display:none}:root[data-theme=dark] .theme-toggle .sun{display:block}:root[data-theme=dark] .theme-toggle .moon{display:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-toggle .sun{display:block}:root:not([data-theme=light]) .theme-toggle .moon{display:none}}.nav-link{color:var(--muted);text-decoration:none;font-size:.9rem}.nav-link:hover{color:var(--text)}main{padding-top:40px;padding-bottom:80px}.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:.875rem;padding:24px 0 40px}.site-footer p{margin:4px 0}.site-footer a{color:var(--muted)}.site-footer a:hover{color:var(--text)}.muted{color:var(--muted)}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.num{font-variant-numeric:tabular-nums}.page-title{font-size:clamp(1.6rem,3.2vw,2.25rem)}.badge{display:inline-flex;align-items:center;gap:4px;padding:1px 7px;border-radius:var(--r-sm);background:var(--surface-2);color:var(--muted);font-size:.75rem;font-weight:500;line-height:1.6;white-space:nowrap}.badge.accent{background:var(--accent-soft);color:var(--accent)}.badge.warn{background:var(--warn-soft);color:var(--warn)}.back{display:inline-flex;gap:6px;color:var(--muted);text-decoration:none;font-size:.9rem;margin-bottom:20px}.back:hover{color:var(--text)}.panel{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow)}.thumb{position:relative;aspect-ratio:16 / 9;overflow:hidden;border-radius:var(--r-md);background:var(--surface-2)}.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}a:hover .thumb img{transform:scale(1.03)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}