:root{--bg:#eaf7ff;--card:#ffffff;--text:#030405;--muted:#5d6b7a;--line:#c9dbea;--accent:#ff007f;--accent-strong:#cc0066;--blue:#0096ff;--blue-strong:#006fd6;--ink:#030405;--soft:#f4f9ff;--error:#b42318}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:radial-gradient(circle at 78px 80px,rgba(255,0,127,.16),transparent 190px),linear-gradient(135deg,rgba(0,150,255,.24),transparent 360px),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}main{display:grid;grid-gap:18px;gap:18px;min-height:100vh;padding:32px}.related-panel,.seo-panel,.shell{background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:0 24px 70px rgba(3,4,5,.12);margin:0 auto;max-width:1180px;padding:24px;width:100%}.shell{display:grid;grid-gap:22px;gap:22px}.seo-panel{display:grid;grid-gap:30px;gap:30px}.related-panel{display:grid;grid-gap:14px;gap:14px;padding:18px 24px 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var(--line);border-radius:8px;display:grid;grid-gap:5px;gap:5px;padding:10px;text-decoration:none}.related-list a:hover{border-color:rgba(0,150,255,.5)}.related-list strong{color:var(--text);font-size:13px}.related-list span{font-size:12px;line-height:1.35}@media (max-width:760px){main{padding:16px}.advanced,.faq-list,.guide-list,.layer-proof,.previews,.related-list{grid-template-columns:1fr}.settings-row{align-items:stretch;flex-direction:column}.settings-row button{flex:1 1 auto}.step-heading{justify-content:flex-start}.convert-step{align-items:stretch;justify-content:stretch}.convert-step button{width:100%}.upload-zone{align-items:stretch;grid-template-columns:1fr;justify-items:start}.upload-zone-action{width:100%}.brand-bar{align-items:flex-start;flex-direction:column}.action-row{justify-content:stretch}.action-row button{flex:1 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