@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 .duo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }.legacy-content .duo-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px; box-shadow: var(--shadow-card);
}.legacy-content .duo-card .duo-tag {
  display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 0.5px;
  padding: 3px 12px; border-radius: 999px; margin-bottom: 10px;
}.legacy-content .duo-card.you .duo-tag { background: rgba(22,163,74,0.1); color: var(--success); }.legacy-content .duo-card.pro .duo-tag { background: rgba(0,102,255,0.08); color: var(--accent); }.legacy-content .duo-card h4 { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 8px; }.legacy-content .duo-card p { font-size: 13.5px; color: var(--sub); line-height: 1.9; }.legacy-content .duo-card p b { color: var(--text); }.legacy-content .why-list { display: flex; flex-direction: column; gap: 12px; }.legacy-content .why-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 .why-item .why-no {
  width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 900; color: var(--accent);
  background: rgba(0,102,255,0.08);
}.legacy-content .why-item h4 { font-size: 15.5px; font-weight: 800; color: var(--text); margin-bottom: 4px; }.legacy-content .why-item p { font-size: 13.5px; color: var(--sub); line-height: 1.85; }.legacy-content .why-item p b { color: var(--text); }.legacy-content .amp-box {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
  padding: 22px 26px;
}.legacy-content .amp-row { margin-bottom: 18px; }.legacy-content .amp-label { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }.legacy-content .amp-label span { font-size: 13px; font-weight: 700; color: var(--sub); }.legacy-content .amp-label b { font-size: 15px; color: var(--accent); font-variant-numeric: tabular-nums; }.legacy-content .amp-box input[type="range"] {
  width: 100%; accent-color: var(--accent); cursor: pointer;
}.legacy-content .amp-result {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  border-top: 1.5px dashed var(--border); padding-top: 18px;
}.legacy-content .amp-cell {
  background: rgba(0,102,255,0.04); border: 1px solid rgba(0,102,255,0.12);
  border-radius: var(--radius-sm); padding: 14px 18px; text-align: center;
}.legacy-content .amp-cell .amp-num {
  font-size: 26px; font-weight: 900; color: var(--accent);
  font-variant-numeric: tabular-nums; line-height: 1.3;
  transition: color 0.3s;
}.legacy-content .amp-cell .amp-num.hot { color: var(--danger); }.legacy-content .amp-cell .amp-desc { font-size: 12px; color: var(--sub); margin-top: 4px; line-height: 1.6; }.legacy-content .amp-note { margin-top: 12px; font-size: 12.5px; color: var(--sub); line-height: 1.8; }.legacy-content .amp-note 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 .duo-grid { grid-template-columns: 1fr; }.legacy-content .qa-answer p { font-size: 15px; }}