:root{--brand:#2563eb;--fg:#111827;--muted:#6b7280;--bg:#fff;--card:#f9fafb;--line:#e5e7eb}*{box-sizing:border-box}html,body{margin:0;padding:0}body{color:var(--fg);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}a{color:var(--brand)}.wrap{max-width:880px;margin:0 auto;padding:0 16px}.header{justify-content:space-between;align-items:center;padding-top:16px;padding-bottom:16px;display:flex}.header nav a{margin-left:16px;text-decoration:none}.brand{color:var(--fg);font-size:20px;font-weight:800;text-decoration:none}.hero h1{margin:24px 0 8px;font-size:clamp(28px,5vw,42px);line-height:1.15}.lead{color:#374151;margin:0 0 20px;font-size:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.tool{flex-direction:column;gap:14px;display:flex}.drop{border:2px dashed var(--line);cursor:pointer;background:#fff;border-radius:12px;justify-content:center;align-items:center;min-height:180px;display:flex;position:relative;overflow:hidden}.drop input{opacity:0;cursor:pointer;position:absolute;inset:0}.thumb{max-width:100%;max-height:240px}textarea{width:100%;font:inherit;border:1px solid var(--line);border-radius:10px;padding:12px}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.btn{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:10px;padding:12px 20px;font-size:16px;font-weight:600;text-decoration:none;display:inline-block}.btn:disabled{opacity:.55;cursor:default}.btn.secondary{color:var(--brand);border:1px solid var(--brand);background:#fff}.result{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.result img{background:repeating-conic-gradient(#eee 0% 25%,#fff 0% 50%) 50%/20px 20px;border-radius:10px;max-width:100%}.result.text{white-space:pre-wrap;border:1px solid var(--line);background:#fff;border-radius:10px;padding:12px}.muted{color:var(--muted)}.small{font-size:14px}.error{color:#b91c1c}.notice{word-break:break-all;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:10px;padding:10px 12px}.prose{margin:40px 0}.prose h2{margin-top:28px}.plans{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:20px 0;display:grid}.price{margin:4px 0;font-size:30px;font-weight:800}.footer{border-top:1px solid var(--line);flex-wrap:wrap;gap:16px;margin-top:48px;padding-top:32px;padding-bottom:32px;display:flex}