:root{color-scheme:light dark;--bg:#fffaf0;--surface:#fff;--text:#24211d;--muted:#6b6258;--brand:#b84c00;--line:#ead8c4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 system-ui,-apple-system,"Noto Sans TC",sans-serif}a{color:#9b3f00}header,main,footer{max-width:1120px;margin:auto;padding:18px 24px}header{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:1.35rem;font-weight:800;text-decoration:none;color:var(--text)}nav{display:flex;gap:16px;flex-wrap:wrap}nav a{text-decoration:none;font-weight:650}main{min-height:65vh}.crumb{display:flex;gap:8px;color:var(--muted);font-size:.9rem;overflow-wrap:anywhere}h1{font-size:clamp(2rem,6vw,3.5rem);line-height:1.15;max-width:900px}h2{line-height:1.3}.lede{font-size:1.12rem;color:var(--muted);max-width:760px}.hero,.facts,.calculator,.notice{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;min-width:0}.card img{display:block;width:100%;height:auto;border-radius:10px}.card h2{font-size:1.08rem;margin-top:0}.meta,footer{color:var(--muted)}.button,button{display:inline-block;background:var(--brand);color:white;border:0;border-radius:999px;padding:10px 16px;text-decoration:none;font-weight:750}.secondary{background:#5a5046}.chip,.tags a{display:inline-block;margin:4px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.prose{max-width:780px}main figure img{max-width:100%;height:auto}.prose img{max-width:100%;height:auto}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;background:var(--surface)}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);white-space:nowrap}dl{display:grid;grid-template-columns:max-content 1fr;gap:8px 20px}dt{font-weight:800}.calculator{display:grid;gap:14px;max-width:520px}.calculator label{display:grid;gap:4px}.calculator input{font:inherit;padding:10px;border:1px solid var(--line);border-radius:10px}.calculator output{font-size:1.2rem;font-weight:800}footer{border-top:1px solid var(--line);margin-top:40px}@media(max-width:640px){header{align-items:flex-start;flex-direction:column}header,main,footer{padding-left:16px;padding-right:16px}nav{gap:12px}dl{grid-template-columns:1fr}.cards{grid-template-columns:1fr}}@media(prefers-color-scheme:dark){:root{--bg:#191510;--surface:#251f19;--text:#fff8ed;--muted:#c8b9aa;--brand:#e97520;--line:#4b3c30}a{color:#ff9b58}}.meow-banner{margin:28px 0}.mb-card{display:grid;grid-template-columns:minmax(180px,38%) 1fr;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:20px;color:var(--text);text-decoration:none;box-shadow:0 8px 24px rgba(36,33,29,.08)}.mb-art{display:block;min-height:180px;overflow:hidden}.mb-image{display:block;width:100%;height:100%;object-fit:cover}.mb-copy{display:flex;flex-direction:column;gap:7px;justify-content:center;padding:20px}.mb-label,.mb-brand{font-size:.82rem;color:var(--muted);font-weight:700}.mb-title{font-size:1.25rem;line-height:1.35}.mb-description{color:var(--muted)}.mb-cta{color:var(--brand);font-weight:800}@media(max-width:640px){.mb-card{grid-template-columns:1fr}.mb-art{max-height:220px}}