.bridge-line{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:10px;margin:18px 0}
    .bridge-node{min-height:92px;padding:14px;border:1px solid var(--line);background:#fff;text-align:center}
    .bridge-node b{display:block;color:var(--navy);font-size:22px;line-height:1.2}
    .bridge-node small{display:block;margin-top:7px;color:var(--muted);font-family:Inter,Arial,sans-serif;font-size:9px;line-height:1.4}
    .bridge-op{color:var(--cyan);font-family:Inter,Arial,sans-serif;font-size:22px;font-weight:700;text-align:center}
    @media(max-width:600px){.bridge-line{grid-template-columns:1fr}.bridge-op{transform:rotate(90deg)}}