@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 .vc-demo {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
  padding: 22px 24px;
}.legacy-content .vc-picks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }.legacy-content .vc-pick {
  border: 1.5px solid var(--border); background: var(--card);
  border-radius: var(--radius-sm); padding: 12px 10px;
  cursor: pointer; font-family: inherit; transition: all 0.15s;
  text-align: center;
}.legacy-content .vc-pick:hover { border-color: rgba(0,102,255,0.4); }.legacy-content .vc-pick.on { border-color: var(--accent); background: rgba(0,102,255,0.05); }.legacy-content .vc-pick .vp-ico { font-size: 24px; margin-bottom: 4px; }.legacy-content .vc-pick .vp-name { font-size: 13px; font-weight: 800; color: var(--text); }.legacy-content .vc-pick.on .vp-name { color: var(--accent); }.legacy-content .vc-stage { display: flex; flex-direction: column; gap: 7px; min-height: 260px; }.legacy-content .vc-hint { font-size: 13px; color: var(--sub); padding: 30px 0; text-align: center; }.legacy-content .vc-step {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 13px; border-radius: 10px;
  font-size: 13.5px; color: var(--text); line-height: 1.7;
  opacity: 0; transform: translateY(6px);
  transition: opacity 0.35s, transform 0.35s;
}.legacy-content .vc-step.show { opacity: 1; transform: translateY(0); }.legacy-content .vc-step .vc-ico { flex-shrink: 0; font-size: 16px; margin-top: 1px; }.legacy-content .vc-step.s-you { background: rgba(100,116,139,0.07); border: 1px solid rgba(100,116,139,0.12); }.legacy-content .vc-step.s-ai { background: rgba(0,102,255,0.04); border: 1px solid rgba(0,102,255,0.1); }.legacy-content .vc-step.s-done { background: rgba(22,163,74,0.05); border: 1px solid rgba(22,163,74,0.15); }.legacy-content .vc-step b { color: var(--accent); }.legacy-content .vc-step.s-done b { color: var(--success); }.legacy-content .vc-bars {
  margin-top: 14px; border-top: 1.5px dashed var(--border); padding-top: 14px;
  opacity: 0; transition: opacity 0.4s;
}.legacy-content .vc-bars.show { opacity: 1; }.legacy-content .vc-bar-row { margin-bottom: 10px; }.legacy-content .vc-bar-row:last-child { margin-bottom: 0; }.legacy-content .vc-bar-label { font-size: 12.5px; font-weight: 800; color: var(--sub); margin-bottom: 4px; }.legacy-content .vc-bar-track { background: rgba(0,0,0,0.05); border-radius: 999px; height: 18px; overflow: hidden; }.legacy-content .vc-bar-fill {
  height: 100%; border-radius: 999px; width: 0;
  transition: width 1.1s ease;
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 8px; font-size: 10.5px; font-weight: 800; color: #fff; white-space: nowrap;
}.legacy-content .vc-bar-fill.f-slow { background: linear-gradient(90deg, #94a3b8, #64748b); }.legacy-content .vc-bar-fill.f-fast { background: linear-gradient(90deg, #34d399, #16a34a); }.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 .pt-grid { grid-template-columns: 1fr; }.legacy-content .qa-answer p { font-size: 15px; }.legacy-content .vc-picks { grid-template-columns: 1fr; }.legacy-content .vc-pick { display: flex; align-items: center; gap: 10px; text-align: left; padding: 10px 14px; }.legacy-content .vc-pick .vp-ico { margin-bottom: 0; }.legacy-content .vc-stage { min-height: 300px; }}