:root{--brand-primary:#07b285;--brand-primary-contrast:#fff;--brand-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Apple SD Gothic Neo",sans-serif;--bg:#fff;--bg-subtle:#f7f8fa;--bg-elevated:#fff;--border:#e6e8ec;--text:#1a1a1a;--text-muted:#6b7280;--danger:#dc2626;--danger-bg:#fef2f2;--success:#059669;--warning:#d97706;--radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);--page-max:1040px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--brand-font);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:14px}.gc-card{background:var(--bg-elevated);border:1px solid 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