:root{--bg: #f7f7f5;--surface: #ffffff;--border: #e5e5e2;--text: #1a1a1a;--muted: #6b6b68;--primary: #c96342;--primary-hover: #b55533;--success: #2f7a4b;--success-bg: #e8f3ec;--error: #b3261e;--error-bg: #fdecea;--warn: #a36800;--warn-bg: #fdf3dc;--radius: 10px;--shadow: 0 1px 2px rgba(0,0,0,.04), 0 2px 4px rgba(0,0,0,.03);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.page{max-width:880px;margin:0 auto;padding:48px 20px 80px}.hero{text-align:center;margin-bottom:40px}.hero h1{font-size:32px;font-weight:600;margin:0 0 8px;letter-spacing:-.02em}.hero .sub{color:var(--muted);margin:0;font-size:15px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;margin-bottom:20px;box-shadow:var(--shadow);transition:opacity 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