@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 .skel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }.legacy-content .skel-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-card);
}.legacy-content .skel-card .sk-no {
  width: 30px; height: 30px; border-radius: 9px; margin-bottom: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 900; color: #fff; background: var(--accent);
}.legacy-content .skel-card h4 { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 5px; }.legacy-content .skel-card p { font-size: 12.5px; color: var(--sub); line-height: 1.75; }.legacy-content .skel-card .sk-eg {
  margin-top: 10px; background: rgba(0,102,255,0.05); border-radius: 8px;
  padding: 8px 12px; font-size: 12px; color: var(--accent); line-height: 1.7;
}.legacy-content .tip-list { display: flex; flex-direction: column; gap: 12px; }.legacy-content .tip-item {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 18px 22px; box-shadow: var(--shadow-card);
}.legacy-content .tip-item .tip-icon { font-size: 24px; flex-shrink: 0; margin-top: 2px; }.legacy-content .tip-item h4 { font-size: 15.5px; font-weight: 800; color: var(--text); margin-bottom: 4px; }.legacy-content .tip-item p { font-size: 13.5px; color: var(--sub); line-height: 1.85; }.legacy-content .tip-item p b { color: var(--text); }.legacy-content .tip-item .tip-eg {
  margin-top: 8px; background: rgba(8,145,178,0.06); border-radius: 8px;
  padding: 9px 13px; font-size: 12.5px; color: #0e7490; line-height: 1.75;
}.legacy-content .puzzle-box {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
  padding: 22px 24px;
}.legacy-content .pz-group { margin-bottom: 16px; }.legacy-content .pz-group-label {
  font-size: 12px; font-weight: 800; letter-spacing: 0.5px;
  color: var(--sub); margin-bottom: 8px;
}.legacy-content .pz-group-label b { color: var(--accent); }.legacy-content .pz-chips { display: flex; flex-wrap: wrap; gap: 8px; }.legacy-content .pz-chip {
  border: 1.5px dashed rgba(0,0,0,0.18); background: rgba(0,0,0,0.02);
  border-radius: 12px; padding: 9px 14px; font-size: 13px; font-weight: 600;
  color: var(--sub); cursor: pointer; font-family: inherit;
  transition: all 0.15s; line-height: 1.5; text-align: left;
  position: relative;
}.legacy-content .pz-chip:hover { border-color: rgba(0,102,255,0.45); color: var(--text); }.legacy-content .pz-chip.on {
  border-style: solid; border-color: var(--accent);
  background: rgba(0,102,255,0.06); color: var(--accent); font-weight: 700;
  box-shadow: 0 2px 8px rgba(0,102,255,0.12);
}.legacy-content .pz-chip.on::before { content: '🧩 '; }.legacy-content .pz-preview {
  border-top: 1.5px dashed var(--border); margin-top: 4px; padding-top: 16px;
}.legacy-content .pz-preview-label { font-size: 12px; font-weight: 800; color: var(--sub); margin-bottom: 8px; }.legacy-content .pz-prompt {
  background: rgba(8,145,178,0.05); border: 1.5px solid rgba(8,145,178,0.25);
  border-radius: var(--radius-sm); padding: 13px 16px;
  font-size: 13.5px; color: var(--text); line-height: 1.85; min-height: 24px;
}.legacy-content .pz-prompt .pz-seg { transition: opacity 0.3s; }.legacy-content .pz-prompt .pz-empty { color: var(--sub); font-style: italic; }.legacy-content .pz-result { margin-top: 14px; }.legacy-content .pz-meter { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }.legacy-content .pz-meter-bar {
  flex: 1; height: 10px; border-radius: 6px; background: rgba(0,0,0,0.06);
  overflow: hidden;
}.legacy-content .pz-meter-fill {
  height: 100%; border-radius: 6px; width: 0;
  transition: width 0.5s cubic-bezier(0.22,1,0.36,1), background 0.5s;
}.legacy-content .pz-meter-text { font-size: 13px; font-weight: 800; white-space: nowrap; transition: color 0.3s; }.legacy-content .pz-output {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 18px;
  font-size: 13.5px; color: var(--text); line-height: 1.9;
  animation: pzIn 0.35s ease;
}@keyframes pzIn{ from { opacity: 0; transform: translateY(5px); } }.legacy-content .pz-output .pz-ai-tag {
  display: inline-block; font-size: 11px; font-weight: 800;
  background: rgba(0,102,255,0.08); color: var(--accent);
  padding: 2px 10px; border-radius: 999px; margin-bottom: 8px;
}.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 .skel-grid { grid-template-columns: 1fr; }.legacy-content .qa-answer p { font-size: 15px; }}