:root{--bg: #f7f8fa;--surface: #ffffff;--border: #e5e7eb;--border-strong: #d1d5db;--text: #111827;--text-soft: #6b7280;--accent: #2563eb;--accent-soft: #eff4ff;--danger: #dc2626;--ok: #059669;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .05);color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:0 24px;height:60px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{font-weight:650;letter-spacing:-.01em}.brand span{color:var(--accent)}.topbar .spacer{flex:1}.page{max-width:900px;margin:0 auto;padding:32px 24px 96px}.steps{display:flex;gap:8px;margin-bottom:28px}.step{flex:1;display:flex;align-items:center;gap:10px;padding:10px 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