.box{fill:#7aa4ff;stroke:#1a3a8a;stroke-width:2;rx:8}
    .txt{font-family:'Inter',system-ui,sans-serif;font-size:14px;fill:#fff;text-anchor:middle;font-weight:600}
    .txt-sub{font-family:'Inter',system-ui,sans-serif;font-size:10px;fill:#e5e7eb;text-anchor:middle}
    .arrow{stroke:#4b5563;stroke-width:2;fill:none;marker-end:url(#arw)}
    .dot{fill:#41d1ff;r:5}
    @keyframes fly{
      0%,10%{cx:60;opacity:0}
      15%{opacity:1}
      30%{cx:200;cy:60}
      50%{cx:360;cy:150}
      65%{cx:520;cy:150}
      75%{cx:520;cy:220}
      85%{cx:360;cy:220}
      95%{cx:200;cy:220}
      100%{cx:60;opacity:0}
    }
    @media (prefers-reduced-motion:reduce){.dot{animation:none;opacity:.6}}
    .dot-animated{animation:fly 6s ease-in-out infinite}