@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 .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 .race-demo {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
  padding: 22px 24px;
}.legacy-content .race-start-row { display: flex; justify-content: center; margin-bottom: 16px; }.legacy-content .race-start {
  background: var(--accent); color: #fff; border: none;
  padding: 11px 36px; border-radius: 999px;
  font-size: 14.5px; font-weight: 800; cursor: pointer; font-family: inherit;
  box-shadow: 0 4px 14px rgba(0,102,255,0.3);
  transition: transform 0.15s, filter 0.15s;
}.legacy-content .race-start:hover { transform: translateY(-1px); filter: brightness(1.08); }.legacy-content .race-start:disabled { background: #c4c8cf; cursor: not-allowed; box-shadow: none; transform: none; }.legacy-content .race-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }.legacy-content .race-col { border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 14px; }.legacy-content .race-head { font-size: 14px; font-weight: 800; margin-bottom: 3px; display: flex; align-items: center; gap: 7px; }.legacy-content .race-col.cpu .race-head { color: var(--amber); }.legacy-content .race-col.gpu .race-head { color: var(--success); }.legacy-content .race-sub { font-size: 12px; color: var(--sub); margin-bottom: 10px; }.legacy-content .race-count { font-size: 12.5px; font-weight: 800; color: var(--sub); margin-bottom: 8px; }.legacy-content .race-count b { color: var(--accent); }.legacy-content .race-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; }.legacy-content .race-tile {
  aspect-ratio: 1; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-weight: 800;
  transition: opacity 0.25s, transform 0.25s;
}.legacy-content .race-col.cpu .race-tile { background: rgba(217,119,6,0.1); color: var(--amber); }.legacy-content .race-col.gpu .race-tile { background: rgba(22,163,74,0.1); color: var(--success); }.legacy-content .race-tile.done { opacity: 0.12; transform: scale(0.7); }.legacy-content .race-badge {
  margin-top: 11px; text-align: center;
  padding: 7px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 800;
  opacity: 0; transition: opacity 0.4s;
}.legacy-content .race-badge.show { opacity: 1; }.legacy-content .race-col.cpu .race-badge { background: rgba(217,119,6,0.1); color: var(--amber); }.legacy-content .race-col.gpu .race-badge { background: rgba(22,163,74,0.1); color: var(--success); }.legacy-content .race-verdict {
  margin-top: 14px; border-top: 1.5px dashed var(--border); padding-top: 13px;
  font-size: 13.5px; font-weight: 700; color: var(--sub); text-align: center; line-height: 1.8;
  opacity: 0; transition: opacity 0.4s;
}.legacy-content .race-verdict.show { opacity: 1; }.legacy-content .race-verdict b { color: var(--accent); }.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 .pt-grid { grid-template-columns: 1fr; }.legacy-content .race-cols { grid-template-columns: 1fr; }}