:root{--teal:#0d9488;--teal-dark:#0f766e;--ink:#0f172a;--slate:#475569;--slate-light:#64748b;--line:#e2e8f0;--bg:#f8fafc}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:var(--teal-dark);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.wrap{max-width:760px}.wrap,.wrap-wide{margin:0 auto;padding:0 20px}.wrap-wide{max-width:1040px}.site-header{border-bottom:1px solid var(--line);background:#fff;position:-webkit-sticky;position:sticky;top:0;z-index:10}.site-header .bar{justify-content:space-between;height:64px}.brand,.site-header .bar{display:flex;align-items:center}.brand{gap:10px;font-weight:800;font-size:18px;color:var(--ink)}.brand:hover{text-decoration:none}.brand .dot{width:28px;height:28px;border-radius:8px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px}.cta{background:var(--teal);color:#fff;padding:9px 16px;border-radius:10px;font-weight:700;font-size:14px}.cta:hover{background:var(--teal-dark);text-decoration:none}.hero{padding:44px 0 24px}.hero h1{font-size:34px;line-height:1.15;margin:0 0 10px;letter-spacing:-.02em}.hero p{font-size:17px;color:var(--slate);margin:0;max-width:620px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:22px;gap:22px;padding:12px 0 60px}.card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:box-shadow .18s,transform .18s}.card:hover{box-shadow:0 14px 40px rgba(2,6,23,.09);transform:translateY(-2px);text-decoration:none}.card .cover{aspect-ratio:16/9;background:linear-gradient(135deg,#ccfbf1,#99f6e4);object-fit:cover;width:100%}.card .cover-fallback{aspect-ratio:16/9;background:linear-gradient(135deg,var(--teal),var(--teal-dark));display:grid;place-items:center;color:#fff;font-size:34px}.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1 1}.card .body h2{font-size:18px;margin:0;color:var(--ink);line-height:1.3}.card .body p{font-size:14px;color:var(--slate-light);margin:0;flex:1 1}.card .meta{font-size:12.5px;color:var(--slate-light)}.article{padding:34px 0 70px}.article .kicker{font-size:13px;color:var(--slate-light);margin-bottom:12px}.article h1{font-size:34px;line-height:1.18;letter-spacing:-.02em;margin:0 0 14px}.article .lede{font-size:18px;color:var(--slate);margin:0 0 22px}.article .cover{border-radius:16px;margin:0 0 28px;width:100%}.content{font-size:17px;color:#1e293b}.content h2{font-size:25px;margin:34px 0 12px;letter-spacing:-.01em}.content h3{font-size:20px;margin:26px 0 10px}.content p{margin:0 0 18px}.content ol,.content ul{margin:0 0 18px;padding-left:24px}.content li{margin-bottom:8px}.content img{border-radius:12px;margin:18px 0}.content a{text-decoration:underline}.content blockquote{border-left:4px solid var(--teal);margin:18px 0;padding:4px 0 4px 18px;color:var(--slate);font-style:italic}.content pre{background:var(--bg);padding:16px;border-radius:12px;overflow-x:auto}.content code{background:var(--bg);padding:2px 6px;border-radius:6px;font-size:14px}.convert{margin:40px 0 0;padding:28px 26px;border-radius:18px;background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#fff}.convert h3{margin:0 0 8px;font-size:21px}.convert p{margin:0 0 16px;font-size:15px;opacity:.95}.convert a{background:#fff;color:var(--teal-dark);padding:11px 20px;border-radius:10px;font-weight:800;display:inline-block}.convert a:hover{text-decoration:none;opacity:.92}.site-footer{border-top:1px solid var(--line);padding:30px 0;color:var(--slate-light);font-size:14px}.site-footer .bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}.back{display:inline-block;margin-bottom:20px;font-size:14px;font-weight:600}.empty{padding:60px 0;text-align:center;color:var(--slate-light)}@media (max-width:640px){.article h1,.hero h1{font-size:27px}.content h2{font-size:22px}}