:root{--ink:#0c1724;--ink-soft:#46586b;--ink-mute:#5e6f83;--line:#e3e9ef;--line-strong:#c6d2de;--bg:#fff;--bg-soft:#f5f8fa;--bg-tint:#eef3f7;--bg-raise:#fff;--brand:#14664f;--brand-dark:#0d4b39;--brand-solid:#14664f;--brand-solid-hi:#0d4b39;--brand-tint:#e7f1ee;--accent:#8a6516;--accent-soft:#a2782a;--accent-tint:#fbf3e4;--danger:#c0392b;--danger-bg:#fdecea;--danger-ink:#8a2419;--fx-star:#0c172429;--fx-gold:#8a65164d;--fx-glow-a:#14664f12;--fx-glow-b:#d8b05b29;--radius:10px;--radius-lg:16px;--shadow:0 1px 2px #0c17240d, 0 10px 30px #0c172412;--maxw:1140px;--maxw-prose:44rem;color-scheme:light}.on-photo{--ink:#eef3f8;--ink-soft:#c5d2de;--ink-mute:#9dabba;--line:#ffffff2e;--line-strong:#ffffff57;--accent:#e0c48a;--accent-soft:#eed9ae;--brand:#8fdccd;--brand-dark:#b2ece0;--brand-solid:#2f6a5c;--brand-solid-hi:#3a8271;color:var(--ink)}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);letter-spacing:.015em;-webkit-font-smoothing:antialiased;margin:0;font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,system-ui,-apple-system,Segoe UI,sans-serif;font-size:17px;line-height:1.8}img{max-width:100%;height:auto;display:block}a{color:var(--brand);text-underline-offset:3px}a:hover{color:var(--brand-dark)}h1,h2,h3,h4{letter-spacing:.005em;margin:0 0 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#0000;justify-content:center;align-items:center;gap:.6em;padding:.95em 1.7em;font-size:1rem;font-weight:700;text-decoration:none;transition:transform .18s,background .18s,border-color .18s,color .18s;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--brand-solid);color:#fbfdfc}.btn-primary:hover{background:var(--brand-solid-hi);color:#fff}a.btn-primary:after,a.btn-ghost.with-arrow:after{content:"↗";opacity:.8;font-size:.95em}.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:0 0}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.card{background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:clamp(22px,3vw,30px);transition:border-color .18s,transform .18s,box-shadow .18s;position:relative}.card:before{content:"";border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:linear-gradient(90deg, transparent, var(--accent), transparent);opacity:.34;height:1px;transition:opacity .25s;position:absolute;top:-1px;left:0;right:0}.card:hover{border-color:var(--line-strong)}.card:hover:before{opacity:.8}.grid{gap:20px;display:grid}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(255px,1fr))}.stat-num{color:var(--accent);font-variant-numeric:tabular-nums;font-size:clamp(1.6rem,4vw,2.1rem);font-weight:800;line-height:1.2}.idx{letter-spacing:.14em;color:var(--accent);font-variant-numeric:tabular-nums;font-size:.82rem;font-weight:700}.fx-wash{background:radial-gradient(1px 1px at 18% 24%, var(--fx-star), transparent), radial-gradient(1px 1px at 72% 18%, var(--fx-star), transparent), radial-gradient(1.5px 1.5px at 44% 62%, var(--fx-gold), transparent), radial-gradient(1px 1px at 88% 54%, var(--fx-star), transparent), radial-gradient(1px 1px at 31% 82%, var(--fx-star), transparent), radial-gradient(1200px 520px at 10% -12%, var(--fx-glow-a), transparent 68%), radial-gradient(900px 460px at 94% 4%, var(--fx-glow-b), transparent 62%)}.prose{font-size:1.05rem}.prose h2{border-top:1px solid var(--line-strong);margin-top:2.4em;padding-top:.5em}.prose h3{color:var(--accent-soft);margin-top:1.8em}.prose ul,.prose ol{margin-bottom:1.2em;padding-left:1.3em}.prose li{margin-bottom:.5em}.prose blockquote{border-left:2px solid var(--accent);background:var(--accent-tint);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-soft);margin:1.6em 0;padding:.2em 1.2em}.prose table{border-collapse:collapse;width:100%;margin:1.6em 0;font-size:.95rem}.prose th,.prose td{border:1px solid var(--line);text-align:left;padding:.6em .8em}.prose th{background:var(--bg-soft);font-weight:700}.prose code{background:var(--bg-soft);border-radius:6px;padding:.15em .4em;font-size:.9em}.prose hr{border:0;border-top:1px solid var(--line);margin:2.5em 0}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.skip-link{background:var(--brand-solid);color:#fff;z-index:100;border-radius:0 0 8px;padding:.7em 1.2em;position:absolute;left:-9999px}.skip-link:focus{top:0;left:0}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.prose .chunk{margin:0}.prose .chunk>h2:first-child{margin-top:2.4em}.prose .chunk:first-of-type>h2:first-child{margin-top:1.4em}.prose .chunk h3{font-size:1.08rem}.reveal{opacity:0;will-change:opacity, transform;transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1);transform:translateY(22px)}.reveal.in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}