:root{--bg:#f7f8fa;--panel:#fff;--text:#171a1f;--muted:#606975;--line:#dfe3e8;--accent:#2855d9;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent)}a:focus-visible,button:focus-visible{outline:3px solid #7aa2ff;outline-offset:3px}.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}.skip{position:absolute;left:-999px;top:8px;background:#000;color:#fff;padding:8px 12px;z-index:99}.skip:focus{left:8px}.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.nav{min-height:58px;display:flex;align-items:center;gap:24px}.brand{font-weight:750;text-decoration:none;color:var(--text)}nav{display:flex;gap:18px;overflow:auto;margin-left:auto}nav a{white-space:nowrap;text-decoration:none;color:var(--muted);font-size:.92rem}.hero{background:var(--panel);border-bottom:1px solid var(--line)}.hero-inner{padding:78px 0 66px;max-width:920px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-weight:700;font-size:.78rem;color:var(--accent)}h1{font-size:clamp(2.35rem,6vw,5.2rem);line-height:1.02;letter-spacing:-.045em;margin:.25em 0}.tagline{font-size:clamp(1.08rem,2.2vw,1.45rem);color:var(--muted);max-width:760px}.authors{font-weight:650}.authors a{text-decoration:none}.meta{color:var(--muted);margin:.2rem 0}.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.pill{display:inline-flex;padding:9px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:#fff;color:var(--text);font-weight:650}.pill:hover{border-color:#aab2bd}.content{padding:18px 0 70px}.section{padding:56px 0;border-bottom:1px solid var(--line)}.section-head{margin-bottom:20px}.section h2{font-size:clamp(1.6rem,3vw,2.35rem);letter-spacing:-.025em;margin:0}.prose{max-width:820px}.prose p{margin:0 0 1em}.prose li{margin:.35em 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.result{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}.card h3{margin-top:0}.figures{display:grid;gap:24px;margin-top:28px}figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}figure img{display:block;width:100%;height:auto;background:#fff}figcaption{padding:12px 16px;color:var(--muted);font-size:.94rem}.results{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.metric{color:var(--muted);font-size:.9rem}.value{font-size:2rem;font-weight:800;letter-spacing:-.03em;margin:.15em 0}.result p{margin:.4em 0 0;color:var(--muted)}pre{overflow:auto;background:#101317;color:#edf2f7;padding:18px;border-radius:14px}.copy{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;cursor:pointer}footer{padding:28px 0;color:var(--muted)}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{.topbar,.copy{display:none}.hero-inner,.section{padding:24px 0}body{background:#fff}.card,.result,figure{break-inside:avoid}}

:root{--bg:#f7f8f5;--text:#183432;--muted:#526561;--accent:#17685d;--line:#d9e2db;--max:1160px}body{font-family:system-ui,-apple-system,"Noto Sans TC","Microsoft JhengHei",sans-serif;line-height:1.85}h1{font-size:clamp(2.4rem,4.5vw,4rem);line-height:1.25;letter-spacing:-.02em}h2{line-height:1.45}.hero{background:#edf2e9}.hero-inner{display:grid;grid-template-columns:1.65fr 1fr;gap:48px;align-items:center;max-width:1160px;padding:70px 0}.hero-copy{min-width:0}.cover{background:#fff;border:0;border-radius:50% 50% 18px 18px;padding:24px 20px 0;box-shadow:0 18px 40px #1834320a}.cover img{mix-blend-mode:multiply}.cover figcaption{text-align:center;font-size:13px}.eyebrow{letter-spacing:.16em}.pill:first-child{background:var(--accent);color:#fff;border-color:var(--accent)}.section{scroll-margin-top:80px}.card{border-radius:8px;border-top:3px solid var(--accent)}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0}.tool{display:flex;flex-direction:column;background:white;padding:25px;border:1px solid var(--line);border-radius:10px}.tool h3{margin:18px 0 4px;font-size:1.3rem}.tool p{font-size:15px}.tool-top{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.category{background:#edf2e9;padding:2px 9px;border-radius:4px}.tool-note{border-top:1px solid var(--line);padding-top:12px;color:var(--muted)}.page-ref{margin-top:auto;font-size:12px}.filter-ui{margin-top:28px}.filter-ui label{display:block;font-weight:650}.filter-ui input{width:100%;padding:13px 16px;font:inherit;border:1px solid #a5b8af;border-radius:6px;background:white;color:var(--text)}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.filters button{font:inherit;font-size:14px;border:1px solid #b5c8bc;border-radius:25px;padding:7px 16px;background:#fff;color:var(--text);cursor:pointer}.filters button[aria-pressed=true]{background:var(--accent);color:white;border-color:var(--accent)}#count{font-size:13px;color:var(--muted)}[hidden]{display:none!important}details{margin-top:24px}summary{cursor:pointer;font-weight:650;padding:14px 0}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px;min-width:600px}th,td{text-align:left;vertical-align:top;padding:14px;border-bottom:1px solid var(--line)}thead{background:#e7eee6}#workflow ul{list-style:none;padding:0;counter-reset:steps}#workflow li{counter-increment:steps;position:relative;padding:20px 20px 20px 65px;border-bottom:1px solid var(--line)}#workflow li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:10px;font-size:22px;font-weight:700;color:var(--accent)}#limits{border-left:4px solid #ab8243;padding-left:24px}.references{font-size:14px}.license{font-size:14px;background:#eaf0e7;padding:22px;border-radius:8px}a{overflow-wrap:anywhere}.brand{white-space:nowrap}input:focus-visible,summary:focus-visible{outline:3px solid #7aa2ff;outline-offset:3px}@media(max-width:850px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-inner{gap:24px}.cover{padding:15px 10px 0}}@media(max-width:600px){.wrap{width:calc(100% - 36px)}.hero-inner{grid-template-columns:1fr;padding:40px 0}.cover{width:220px;margin:auto}.tool-grid{grid-template-columns:1fr}.section{padding:36px 0}.topbar nav{display:flex;gap:14px}.nav{gap:16px}.brand{font-size:13px}nav a{font-size:12px}.tagline{font-size:18px}#limits{padding-left:16px}}@media print{.filter-ui,.cover{display:none}.tool[hidden]{display:flex!important}.tool-grid{grid-template-columns:repeat(2,1fr)}.hero-inner{display:block}.tool{break-inside:avoid}}