.support-form{max-width:720px;margin:60px auto;background:#ffffff;border-radius:12px;padding:20px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}.sf-title{margin:0 0 12px;font-size:1.25rem;font-weight:600;color:#0f172a;text-align:left}.sf-row{margin-bottom:12px}.sf-label{display:block;font-size:.9rem;color:#475569;margin-bottom:6px}.sf-file,.sf-input,.sf-select,.sf-textarea{width:100%;box-sizing:border-box;padding:10px 12px;border-radius:8px;border:1px solid #e6e8eb;font-size:.95rem;background:#fff;color:#0f172a}.sf-textarea{resize:vertical;min-height:120px}.sf-file{padding:6px;font-size:.9rem}.sf-actions{display:flex;justify-content:flex-end;margin-top:12px}.sf-submit{background:#007bff;color:#fff;border:none;padding:10px 16px;border-radius:8px;font-weight:600;cursor:pointer}.sf-submit:disabled{opacity:.6;cursor:not-allowed}.sf-alert{padding:10px 12px;border-radius:8px;margin-bottom:12px;font-size:.95rem}.sf-success{background:#ecfdf5;color:#065f46;border:1px solid #bbf7d0}.sf-error{background:#fff5f5;color:#7f1d1d;border:1px solid #fecaca}