@keyframes _si{from{opacity:0}to{opacity:1}}

.legacy-content .qa-answer {
  background: linear-gradient(135deg, rgba(8,145,178,0.06), rgba(0,102,255,0.05));
  border: 1.5px solid rgba(8,145,178,0.3);
  border-radius: var(--radius); padding: 22px 26px; margin: 4px 0 8px;
}.legacy-content .qa-answer .qa-tag { font-size: 11px; font-weight: 800; letter-spacing: 1px; color: #0891b2; margin-bottom: 8px; }.legacy-content .qa-answer p { font-size: 16.5px; font-weight: 700; color: var(--text); line-height: 1.85; }.legacy-content .qa-answer p b { color: #0891b2; }.legacy-content .mg-demo {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
  padding: 22px 24px;
}.legacy-content .mg-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }.legacy-content .mg-count { font-size: 13px; font-weight: 800; color: var(--sub); }.legacy-content .mg-count b { color: var(--accent); }.legacy-content .mg-skip {
  border: none; background: none; font-family: inherit; cursor: pointer;
  font-size: 12.5px; font-weight: 700; color: var(--sub); text-decoration: underline;
}.legacy-content .mg-skip:hover { color: var(--accent); }.legacy-content .mg-cols { display: grid; grid-template-columns: 100px 1fr; gap: 10px; }.legacy-content .mg-col { display: flex; flex-direction: column; gap: 8px; }.legacy-content .mg-card {
  border: 1.5px solid var(--border); background: var(--card);
  border-radius: var(--radius-sm); padding: 10px 12px;
  font-size: 13px; font-weight: 700; color: var(--text); line-height: 1.6;
  cursor: pointer; font-family: inherit; text-align: left;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}.legacy-content .mg-card.abbr { font-size: 14px; font-weight: 800; text-align: center; }.legacy-content .mg-card:hover { border-color: rgba(0,102,255,0.4); }.legacy-content .mg-card.sel { border-color: var(--accent); background: rgba(0,102,255,0.06); color: var(--accent); }.legacy-content .mg-card.ok {
  border-color: var(--success); background: rgba(22,163,74,0.07);
  color: var(--success); cursor: default; pointer-events: none;
}.legacy-content .mg-card.shake { animation: mgShake 0.35s; border-color: var(--danger); background: rgba(220,38,38,0.05); }@keyframes mgShake{
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  50% { transform: translateX(5px); }
  75% { transform: translateX(-3px); }
}.legacy-content .mg-win {
  margin-top: 14px; padding: 12px 18px; border-radius: var(--radius-sm);
  background: rgba(22,163,74,0.08); border: 1.5px solid rgba(22,163,74,0.3);
  font-size: 14px; font-weight: 800; color: var(--success); text-align: center;
  display: none;
}.legacy-content .mg-win.show { display: block; animation: _si 0.35s ease; }.legacy-content .nest-map { display: none; margin-top: 16px; }.legacy-content .nest-map.show { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; animation: _si 0.4s ease; }.legacy-content .nest { border-radius: 12px; padding: 12px; }.legacy-content .nest .nest-tag { display: block; font-size: 12.5px; font-weight: 800; margin-bottom: 8px; }.legacy-content .n-ai { background: rgba(0,102,255,0.05); border: 1.5px solid rgba(0,102,255,0.3); }.legacy-content .n-ai > .nest-tag { color: var(--accent); }.legacy-content .n-nlp { background: rgba(8,145,178,0.06); border: 1.5px solid rgba(8,145,178,0.3); }.legacy-content .n-nlp > .nest-tag { color: var(--cyan); }.legacy-content .n-llm { background: rgba(124,58,237,0.05); border: 1.5px solid rgba(124,58,237,0.3); }.legacy-content .n-llm > .nest-tag { color: var(--purple); }.legacy-content .n-gpt { background: rgba(217,119,6,0.07); border: 1.5px solid rgba(217,119,6,0.35); }.legacy-content .n-gpt > .nest-tag { color: var(--amber); margin-bottom: 0; }.legacy-content .nest-side { display: flex; flex-direction: column; gap: 8px; }.legacy-content .nest-side .ns-item {
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 9px 13px; font-size: 12.5px; color: var(--text); line-height: 1.7;
  background: var(--card);
}.legacy-content .nest-side .ns-item b { color: var(--accent); }.legacy-content .pt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }.legacy-content .pt-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-card);
}.legacy-content .pt-card .pt-icon { font-size: 26px; margin-bottom: 8px; }.legacy-content .pt-card h4 { font-size: 14.5px; font-weight: 800; color: var(--text); margin-bottom: 5px; }.legacy-content .pt-card p { font-size: 12.5px; color: var(--sub); line-height: 1.8; }.legacy-content .pt-card p b { color: var(--text); }.legacy-content .takeaway-box {
  background: linear-gradient(135deg, #eff6ff, #eef2ff);
  border: 1.5px solid #bfdbfe; border-radius: var(--radius);
  padding: 24px 28px; margin-top: 36px;
}.legacy-content .takeaway-box h3 { font-size: 17px; font-weight: 800; color: #1e40af; margin-bottom: 10px; }.legacy-content .takeaway-box ul { list-style: none; padding: 0; margin: 0; }.legacy-content .takeaway-box li {
  font-size: 14.5px; color: #1e3a5f; line-height: 1.8;
  padding: 4px 0 4px 22px; position: relative;
}.legacy-content .takeaway-box li::before {
  content: ''; position: absolute; left: 0; top: 13px;
  width: 8px; height: 8px; border-radius: 50%; background: #3b82f6;
}@media (max-width: 768px){.legacy-content .qa-answer p { font-size: 15px; }.legacy-content .mg-cols { grid-template-columns: 78px 1fr; gap: 7px; }.legacy-content .mg-card { font-size: 12px; padding: 9px 9px; }.legacy-content .mg-card.abbr { font-size: 12.5px; }.legacy-content .nest-map.show { grid-template-columns: 1fr; }.legacy-content .pt-grid { grid-template-columns: 1fr; }}