:root{--bg:#fff;--ink:#2c2c2a;--muted:#5f5e5a;--line:#e7e5dd;--teal:#0f6e56;--teal-bg:#e1f5ee;--maxw:760px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px}a{color:var(--teal)}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-head{border-bottom:1px solid var(--line)}.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:600;font-size:18px;color:var(--ink)}.brand,.nav a{text-decoration:none}.nav a{margin-left:18px;font-size:14px}.nav a,.site-foot{color:var(--muted)}.site-foot{border-top:1px solid var(--line);margin-top:48px;padding:24px 0;font-size:13px}.hero{padding:40px 0 8px}.hero h1{font-size:26px;font-weight:600;margin:0 0 8px}.hero p{color:var(--muted);margin:0}.card-list{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));padding:24px 0}.card{border:1px solid var(--line);border-radius:12px;padding:18px 20px;text-decoration:none;color:var(--ink);background:#fff}.card:hover{border-color:#cfcdc4}.card .tag{display:inline-block;font-size:12px;color:var(--teal);background:var(--teal-bg);padding:2px 10px;border-radius:8px;margin-bottom:10px}.card h2{font-size:17px;font-weight:600;margin:0 0 6px;line-height:1.5}.card p{font-size:13px;color:var(--muted);margin:0}.card .thumb{width:100%;height:150px;object-fit:contain;background:#faf9f5;border-radius:8px;margin-bottom:10px}.article{padding:24px 0}.article h1{font-size:26px;font-weight:600;line-height:1.45}.article h2{font-size:20px;font-weight:600;margin-top:36px;border-bottom:1px solid var(--line);padding-bottom:6px}.article h3{font-size:16px;font-weight:600;margin-top:24px}.article img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:12px}.article table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}.article td,.article th{border:1px solid var(--line);padding:8px 10px;text-align:left}.article th{background:#faf9f5}.article blockquote{border-left:3px solid var(--teal);background:#f7faf9;margin:16px 0;padding:10px 16px;color:var(--muted)}.cta{border:1px solid var(--teal);background:var(--teal-bg);border-radius:12px;padding:18px 20px;margin:28px 0}.cta a{font-weight:600}.breadcrumb{font-size:13px;color:var(--muted);padding-top:20px}.hero-img{display:block;text-decoration:none;margin:16px 0 8px}.hero-img img{width:100%;max-width:420px;height:auto;border:1px solid var(--line);border-radius:12px;display:block;margin:0 auto}.hero-cap{display:block;text-align:center;font-size:13px;color:var(--teal);margin-top:8px}