:root{--green:#0A8F3C;--hover:#087A33;--text:#111827;--muted:#6B7280;--border:#E5E7EB;--soft:#EAF8EF}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff}.container{max-width:1120px;margin:0 auto;padding:0 16px}.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:5}.site-header .container,.site-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-weight:900;font-size:20px}.brand img{width:44px;height:44px;border-radius:8px}.nav{display:flex;gap:18px}.nav a{color:#374151;text-decoration:none;font-weight:700;font-size:14px}.hero{text-align:center;padding:56px 0 36px}.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--green);font-weight:900}.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.05;margin:14px auto;max-width:850px}.hero p{font-size:18px;line-height:1.7;color:var(--muted);max-width:760px;margin:0 auto}.tool{margin:28px auto 0;max-width:900px;border:1px solid var(--border);box-shadow:0 18px 50px rgba(17,24,39,.08);border-radius:8px;background:#fff;padding:12px}.tool-row{display:grid;grid-template-columns:1fr auto auto;gap:10px}.tool input{min-height:56px;border:1px solid var(--border);border-radius:8px;padding:0 16px;font-size:16px}.btn{border:0;border-radius:8px;padding:0 22px;min-height:56px;background:var(--green);color:#fff;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.btn:hover{background:var(--hover)}.btn-light{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-light:hover{background:var(--soft)}.note{font-size:13px;color:var(--muted);margin-top:10px}.result{display:none;margin:28px auto;max-width:960px;border:1px solid var(--border);border-radius:8px;padding:20px;background:#fff}.result-top{display:grid;grid-template-columns:320px 1fr;gap:20px}.thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px;border:1px solid var(--border);background:var(--soft)}.meta h2{margin:0 0 8px;font-size:26px}.meta p{color:var(--muted);line-height:1.6}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.card{border:1px solid var(--border);border-radius:8px;padding:16px}.card h3{margin:0}.card p{color:var(--muted);font-size:14px;line-height:1.5}.error{display:none;margin:16px auto 0;max-width:900px;background:#fff1f2;color:#b91c1c;border:1px solid #fecdd3;border-radius:8px;padding:14px}.section{padding:44px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{border:1px solid var(--border);border-radius:8px;padding:18px}.page{padding-top:44px}.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.link-grid a{border:1px solid var(--border);border-radius:8px;padding:14px;text-decoration:none;color:var(--text);font-weight:800}.footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted);font-size:14px}@media(max-width:800px){.nav{display:none}.tool-row,.result-top,.cards,.grid,.link-grid{grid-template-columns:1fr}.hero{padding-top:34px}.brand{font-size:17px}}