.hero-card{background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border:1px solid rgba(217,228,251,.95);border-radius:28px;padding:24px;box-shadow:var(--shadow)}.diagram{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px}.diagram h3{margin-bottom:18px}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:center}.node{background:linear-gradient(180deg,#f9fbff,#eef5ff);border:1px solid var(--line);border-radius:18px;padding:18px 14px;text-align:center;font-weight:700;color:#28405e;min-height:92px;display:flex;align-items:center;justify-content:center}.arrow{display:flex;align-items:center;justify-content:center;color:var(--primary);font-weight:800}footer{padding:28px 0 48px;color:#5f738f;font-size:14px}@media (max-width:1080px){.flow{grid-template-columns:1fr}.arrow{transform:rotate(90deg)}}