.spdf-related-tools-v4{margin:40px 0;padding:20px 0}
.spdf-tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.spdf-tool-card{display:flex;flex-direction:column;gap:6px;padding:15px;border:1px solid #e5e7eb;border-radius:10px;text-decoration:none}
.spdf-tool-card span{font-size:.9em;opacity:.8}
@media (max-width:600px){.spdf-tool-grid{grid-template-columns:1fr}}