:root{--zh-blue:#0070b4;--zh-navy:#0f2654;--zh-light:#f0f5fa;--bg:#f7f9fc;--surface:#fff;--border:#dce3ed;--text:#182230;--muted:#526071;--success-bg:#eef8f3;--success-text:#15653b;--warn-bg:#fff8eb;--warn-text:#8a5300;--danger-bg:#fdf1f1;--danger-text:#a61b1b}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}a{color:var(--zh-blue);text-decoration:none}.topbar{background:var(--zh-navy);color:#fff;border-bottom:4px solid var(--zh-blue)}.topbar-inner{max-width:1120px;margin:0 auto;padding:1rem 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1.4rem;margin-bottom:1.25rem}.accordion{border:1px solid var(--border);border-radius:9px;background:var(--surface);margin-bottom:1rem;overflow:hidden}.accordion summary{padding:1rem 1.25rem;font-weight:700;color:var(--zh-navy);cursor:pointer;background:#f9fbfd;list-style:none;display:flex;align-items:center;justify-content:space-between}.accordion summary::-webkit-details-marker{display:none}.accordion-body{padding:1.15rem 1.25rem;border-top:1px solid var(--border)}.error-item,.passage-item{border:1px solid var(--border);border-radius:8px;padding:.9rem 1rem;margin-bottom:.75rem;background:#fcfdff}.alert-error{background:var(--danger-bg);color:var(--danger-text);border:1px solid #f1b9b9;padding:.9rem 1.1rem;border-radius:8px;margin-bottom:1.2rem;font-weight:500}.disclaimer-banner{background:#fff8eb;border-bottom:2px solid #e6c37a;color:#5c3900;font-size:.86rem}.disclaimer-banner-inner{max-width:1120px;margin:0 auto;padding:.65rem 1.5rem}.site-footer{background:#eef3f9;border-top:1px solid var(--border);color:var(--muted);font-size:.84rem;padding:1.4rem 1.5rem}.site-footer-inner{max-width:1120px;margin:0 auto;text-align:center}.info-table{width:100%;border-collapse:collapse;margin:.75rem 0 1rem;font-size:.92rem}.info-table td,.info-table th{border:1px solid var(--border);padding:.6rem .8rem;text-align:left;vertical-align:top}.info-table th{background:var(--zh-light);color:var(--zh-navy);font-weight:700}