@import "https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700&family=Noto+Serif+TC:wght@700;900&display=swap";
:root{--ground:#f3f0e9;--surface:#fff;--surface-soft:#fbfaf6;--ink:#1a1a17;--muted:#5b5952;--line:#ddd7cb;--accent:#1f6b57;--accent-strong:#15503f;--accent-soft:#dceae3;--highlight:#e8a33d;--danger:#a33a2a;--radius:16px;--serif:"Noto Serif TC", serif}*{box-sizing:border-box}body{background:var(--ground);color:var(--ink);margin:0;font-family:Noto Sans TC,system-ui,sans-serif;font-size:16px;line-height:1.6}a{color:var(--accent)}a:hover{color:var(--accent-strong)}h1,h2,h3{font-family:var(--serif);margin:0;line-height:1.25}em.accent{color:var(--accent);font-style:italic}.container{max-width:1120px;margin:0 auto;padding:0 20px}.nav{border-bottom:1px solid var(--line)}.nav-inner{flex-wrap:wrap;align-items:center;gap:12px 28px;max-width:1200px;margin:0 auto;padding:14px 20px;display:flex}.brand{font-family:var(--serif);color:var(--ink);font-size:22px;font-weight:900;text-decoration:none}.nav-links{flex-wrap:wrap;flex:auto;gap:20px;display:flex}.nav-links a{color:var(--ink);padding:8px 0;text-decoration:none}.btn{min-height:44px;font:inherit;cursor:pointer;background:var(--accent);color:#fff;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:500;text-decoration:none;display:inline-flex}.btn:hover{background:var(--accent-strong);color:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-dark{background:var(--ink)}.btn-dark:hover{background:#000}.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn-ghost:hover{background:var(--surface-soft);color:var(--ink)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.stack{flex-direction:column;gap:16px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;display:grid}.muted{color:var(--muted)}.small{font-size:14px}.error{color:var(--danger);font-size:14px}.eyebrow{letter-spacing:.08em;color:var(--accent);margin:0;font-size:14px;font-weight:700}label{color:var(--muted);margin-bottom:6px;font-size:14px;display:block}input,select,textarea{width:100%;font:inherit;border:1px solid var(--line);background:var(--surface-soft);color:var(--ink);border-radius:12px;padding:11px 14px}textarea{resize:vertical;min-height:96px}input:focus-visible,select:focus-visible,textarea:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.segmented{background:var(--surface);border:1px solid var(--line);border-radius:999px;gap:4px;padding:4px;display:inline-flex}.segmented button{font:inherit;min-height:36px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:8px 16px;font-size:14px}.segmented button[aria-pressed=true]{background:var(--ink);color:#fff}.badge{background:var(--accent-soft);color:var(--accent-strong);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-block}.badge-warn{color:#6b4708;background:#f6e2bd}.bubble{white-space:pre-wrap;border-radius:16px;max-width:85%;padding:12px 16px}.bubble-user{background:var(--accent);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.bubble-ai{background:var(--ground);border-bottom-left-radius:4px;align-self:flex-start}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px 8px}.table-wrap{overflow-x:auto}.nav{background:var(--ground)}.footer{border-top:1px solid var(--line)}.footer-inner{flex-wrap:wrap;gap:32px 40px;max-width:1200px;margin:0 auto;padding:48px 24px 24px;display:flex}.footer-brand{flex-direction:column;flex:2 240px;gap:8px;display:flex}.footer-col{flex-direction:column;flex:140px;gap:8px;font-size:14px;display:flex}.footer-col a{color:var(--muted);text-decoration:none}.footer-col a:hover{color:var(--ink)}