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0 4px;font-size:1.0625rem;line-height:26px;letter-spacing:0}.proof-grid p{font-size:15.5px;line-height:24px;color:var(--text-secondary);margin:0}.band-readout{display:inline-block;background:var(--bg-code);border:1px solid var(--border-default);border-radius:var(--r-md);padding:10px 16px;font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--text-secondary)}.band-offline{margin:24px 0 0;font-size:15px;color:var(--text-secondary)}.band-offline a{color:inherit}@media(max-width:767px){.proof-grid{grid-template-columns:1fr}}.ad-slot{background:var(--bg-well);border:1px solid var(--border-subtle);border-radius:var(--r-lg);padding:8px;display:flex;flex-direction:column;align-items:center}.ad-slot:before{content:"ADVERTISEMENT";font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--text-tertiary);margin-bottom:4px}.ad-slot.leaderboard{min-height:114px}.ad-slot.rail{min-height:274px}.ad-slot.mobile{min-height:124px}.tool-head{max-width:720px;margin:40px auto 0;text-align:center}.tool-head h1{margin:0 0 12px}.tool-head .lead{margin:0 auto;max-width:56ch}.dropzone{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;max-width:720px;min-height:280px;margin:32px auto 8px;border-radius:var(--r-xl);overflow:hidden;cursor:pointer;text-align:center;padding:32px;background:var(--bg-well);background-image:linear-gradient(to right,rgba(31,79,216,.07) 1px,transparent 1px),linear-gradient(to bottom,rgba(31,79,216,.07) 1px,transparent 1px);background-size:24px 24px;border:1.5px dashed 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