:root{--ink:#1b1e23;--muted:#667085;--line:#d9dee7;--paper:#fbfaf7;--panel:#ffffff;--accent:#116a63;--gold:#b7791f;--blue:#375a8c}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}.top{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;align-items:center;padding:12px 28px;border-bottom:1px solid var(--line);background:rgba(251,250,247,.94);backdrop-filter:blur(10px)}a{color:var(--accent);text-decoration:none}.brand{font-weight:800;color:var(--ink)}nav a{margin-left:18px}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:40px;align-items:center;min-height:78vh;padding:56px clamp(24px,5vw,72px)}.hero h1{font-size:48px;line-height:1.12;margin:10px 0 18px;letter-spacing:0}.hero p{font-size:18px;color:#3d4756}.hero figure{margin:0}.hero img{width:100%;max-height:560px;object-fit:contain;background:#fff;border:1px solid var(--line)}.eyebrow{color:var(--gold);font-weight:700;text-transform:uppercase;letter-spacing:0}.cta a{display:inline-block;margin-right:12px;padding:10px 16px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff}.cta a+ a{background:transparent;color:var(--accent)}.band,.grid-section{padding:36px clamp(24px,5vw,72px)}.section-note{color:var(--muted);margin-top:-6px}.route{display:flex;flex-wrap:wrap;gap:10px}.route span,.tag{display:inline-block;border:1px solid var(--line);background:#fff;padding:7px 10px;border-radius:6px;margin:4px;color:#26313d}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;color:var(--ink);min-height:150px}.card:hover{border-color:var(--accent);box-shadow:0 8px 22px rgba(17,106,99,.12)}.card span{color:var(--gold);font-weight:700}.principle{border-top:4px solid var(--blue)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;padding:34px clamp(20px,5vw,72px)}.content{max-width:980px;padding:28px;background:rgba(255,255,255,.62);border:1px solid var(--line);border-radius:8px}.content.narrow{margin:34px auto}.content h1{font-size:36px;line-height:1.2;margin-top:0;letter-spacing:0}.content h2{margin-top:30px;border-bottom:1px solid var(--line);padding-bottom:6px}.callout{background:#eef7f4;border-left:5px solid var(--accent);padding:14px 18px;border-radius:6px}.deep-card{border:1px solid var(--line);background:#fff;border-radius:8px;padding:16px;margin:14px 0}.source{color:var(--muted);font-size:14px}.side{position:sticky;top:72px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px;max-height:calc(100vh - 92px);overflow:auto}.plate-thumb{display:grid;grid-template-columns:98px 1fr;gap:10px;align-items:center;padding:9px;border-bottom:1px solid var(--line);color:var(--ink)}.plate-thumb:hover,.visual-card:hover{border-color:var(--accent);box-shadow:0 8px 18px rgba(17,106,99,.10)}.plate-thumb img,.image-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#f2f4f7;border:1px solid var(--line)}.visual-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:14px 0 4px}.visual-card{display:block;min-width:0;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;color:var(--ink)}.visual-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#f2f4f7;border:1px solid var(--line);border-radius:5px}.visual-card span{display:block;margin-top:7px;font-size:13px;font-weight:700;line-height:1.35}.visual-card small{display:block;color:var(--muted);font-size:12px;line-height:1.3;margin-top:3px}.plates{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.plate-large img{width:100%;max-height:76vh;object-fit:contain;background:#fff;border:1px solid var(--line)}details{margin:24px 0;padding:16px;background:#fff;border:1px solid var(--line);border-radius:8px}summary{font-weight:700;cursor:pointer}.learn-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.learn-nav a{padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:#fff}.search{width:100%;padding:11px;border:1px solid var(--line);border-radius:6px;margin:12px 0}table{width:100%;border-collapse:collapse;background:#fff}th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}@media(max-width:860px){.hero,.layout{grid-template-columns:1fr}.hero h1{font-size:34px}.side{position:static;max-height:none}.top{padding:10px 16px}.top nav a{margin-left:10px}.content{padding:18px}.visual-strip{grid-template-columns:repeat(auto-fit,minmax(128px,1fr))}.learn-nav{display:block}.learn-nav a{display:block;margin:8px 0}}