@keyframes _si{to{opacity:1}}

.legacy-content .flow-canvas {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:32px 20px;box-shadow:var(--shadow-card);margin-top:8px;position:relative;overflow:hidden;min-height:400px}.legacy-content .flow-row {display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap;position:relative}@media(max-width:768px){.legacy-content .flow-row {flex-direction:column;gap:16px}}.legacy-content .flow-col {display:flex;flex-direction:column;gap:10px;min-width:140px;max-width:180px}@media(max-width:768px){.legacy-content .flow-col {flex-direction:row;flex-wrap:wrap;justify-content:center;max-width:100%}}.legacy-content .flow-node {background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;text-align:center;font-size:12px;font-weight:700;color:var(--text);transition:all .3s;opacity:0;transform:scale(.9)}.legacy-content .flow-node.show {opacity:1;transform:scale(1)}.legacy-content .flow-node:hover {border-color:var(--accent);box-shadow:var(--shadow-pop)}.legacy-content .flow-node .fi {font-size:20px;margin-bottom:4px;display:block}.legacy-content .flow-center {display:flex;flex-direction:column;align-items:center;gap:8px;margin:0 40px}@media(max-width:768px){.legacy-content .flow-center {margin:0}}.legacy-content .flow-agent {width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-size:36px;color:#fff;font-weight:900;box-shadow:0 8px 30px rgba(0,102,255,.25);position:relative;z-index:2}.legacy-content .flow-agent-label {font-size:16px;font-weight:800;color:var(--text)}.legacy-content .flow-agent-sub {font-size:11px;color:var(--sub);font-weight:600}.legacy-content .flow-arrows {position:relative;display:flex;align-items:center;width:60px;justify-content:center}@media(max-width:768px){.legacy-content .flow-arrows {width:auto;height:40px;flex-direction:column}}.legacy-content .arrow-line {position:relative;display:flex;flex-direction:column;align-items:center;gap:2px}.legacy-content .arrow-r {font-size:18px;font-weight:900;animation:arrowPulse 1.5s ease infinite}.legacy-content .arrow-l {font-size:18px;font-weight:900;animation:arrowPulse 1.5s ease .75s infinite}@keyframes arrowPulse{0%,100%{opacity:.3}50%{opacity:1}}.legacy-content .arrow-label {font-size:10px;font-weight:700;white-space:nowrap}.legacy-content .role-cards {display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}@media(max-width:768px){.legacy-content .role-cards {grid-template-columns:1fr}}.legacy-content .role-card {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card)}.legacy-content .role-card h3 {font-size:16px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:8px}.legacy-content .role-card.client h3 {color:var(--accent)}.legacy-content .role-card.server h3 {color:var(--purple)}.legacy-content .role-card p {font-size:13px;color:var(--sub);line-height:1.7}.legacy-content .role-card ul {margin-top:8px;padding-left:16px;font-size:13px;color:var(--sub);line-height:1.8}.legacy-content .role-card ul b {color:var(--text)}.legacy-content .play-btn {display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;border:none;padding:10px 24px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s;font-family:inherit}.legacy-content .play-btn:hover {transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,102,255,.3)}.legacy-content .play-btn:disabled {background:#c4c8cf;cursor:not-allowed;box-shadow:none;transform:none}.legacy-content .takeaway {background:rgba(124,58,237,.04);border:1.5px solid rgba(124,58,237,.18);border-radius:var(--radius);padding:16px 20px;font-size:15px;color:var(--text);display:flex;gap:10px;line-height:1.7;margin-top:24px}.legacy-content .takeaway b {color:var(--purple)}