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

.legacy-content .game-box {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card); overflow: hidden;
}.legacy-content .game-progress {
  display: flex; gap: 5px; padding: 16px 20px 0;
}.legacy-content .gp-dot {
  flex: 1; height: 5px; border-radius: 3px; background: rgba(0,0,0,0.07);
  transition: background 0.3s;
}.legacy-content .gp-dot.right { background: var(--success); }.legacy-content .gp-dot.wrong { background: var(--danger); }.legacy-content .game-body { padding: 22px 24px; }.legacy-content .game-task-label { font-size: 12px; font-weight: 800; color: var(--sub); letter-spacing: 0.5px; margin-bottom: 10px; }.legacy-content .game-task {
  font-size: 19px; font-weight: 800; color: var(--text); line-height: 1.6;
  min-height: 62px;
}.legacy-content .game-btns { display: flex; gap: 12px; margin-top: 18px; }.legacy-content .g-btn {
  flex: 1; border-radius: var(--radius-sm); padding: 14px 10px;
  font-size: 15px; font-weight: 800; cursor: pointer; font-family: inherit;
  border: 2px solid transparent; transition: all 0.15s;
}.legacy-content .g-btn.safe { background: rgba(22,163,74,0.08); color: var(--success); border-color: rgba(22,163,74,0.3); }.legacy-content .g-btn.safe:hover:not(:disabled) { background: rgba(22,163,74,0.14); transform: translateY(-1px); }.legacy-content .g-btn.check { background: rgba(217,119,6,0.08); color: var(--amber); border-color: rgba(217,119,6,0.3); }.legacy-content .g-btn.check:hover:not(:disabled) { background: rgba(217,119,6,0.14); transform: translateY(-1px); }.legacy-content .g-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }.legacy-content .game-feedback {
  margin-top: 16px; border-radius: var(--radius-sm); padding: 14px 18px;
  font-size: 13.5px; line-height: 1.85; display: none;
}.legacy-content .game-feedback.show { display: block; animation: fbIn 0.3s ease; }@keyframes fbIn{ from { opacity: 0; transform: translateY(6px); } }.legacy-content .game-feedback.correct { background: rgba(22,163,74,0.06); border: 1.5px solid rgba(22,163,74,0.25); }.legacy-content .game-feedback.incorrect { background: rgba(220,38,38,0.05); border: 1.5px solid rgba(220,38,38,0.22); }.legacy-content .game-feedback .fb-head { font-weight: 900; margin-bottom: 4px; }.legacy-content .game-feedback.correct .fb-head { color: var(--success); }.legacy-content .game-feedback.incorrect .fb-head { color: var(--danger); }.legacy-content .game-feedback p { color: var(--text); }.legacy-content .game-feedback p b { color: var(--accent); }.legacy-content .game-next {
  margin-top: 12px; text-align: right;
}.legacy-content .game-next button {
  background: var(--accent); color: #fff; border: none;
  padding: 9px 24px; border-radius: 999px; font-size: 13.5px; font-weight: 800;
  cursor: pointer; font-family: inherit;
}.legacy-content .game-result { text-align: center; padding: 10px 0 4px; }.legacy-content .gr-score { font-size: 44px; font-weight: 900; color: var(--accent); line-height: 1.2; }.legacy-content .gr-text { font-size: 14px; color: var(--sub); margin-top: 6px; line-height: 1.8; }.legacy-content .gr-text b { color: var(--text); }.legacy-content .gr-restart {
  margin-top: 14px; background: none; border: 1.5px solid var(--border);
  color: var(--sub); padding: 8px 22px; border-radius: 999px;
  font-size: 13px; font-weight: 700; cursor: pointer; font-family: inherit;
}.legacy-content .gr-restart:hover { border-color: rgba(0,102,255,0.4); color: var(--accent); }.legacy-content .two-q { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }.legacy-content .two-q-card {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-card);
}.legacy-content .two-q-card .tq-num {
  width: 34px; height: 34px; border-radius: 10px; margin-bottom: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 900; color: var(--accent);
  background: rgba(0,102,255,0.08);
}.legacy-content .two-q-card h4 { font-size: 16px; font-weight: 800; color: var(--text); margin-bottom: 6px; }.legacy-content .two-q-card p { font-size: 13.5px; color: var(--sub); line-height: 1.8; }.legacy-content .two-q-card p b { color: var(--text); }.legacy-content .quad-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }.legacy-content .quad-cell {
  border-radius: var(--radius); padding: 18px 20px;
  border: 1.5px solid var(--border);
}.legacy-content .quad-cell.q-green { background: rgba(22,163,74,0.05); border-color: rgba(22,163,74,0.3); }.legacy-content .quad-cell.q-blue { background: rgba(0,102,255,0.04); border-color: rgba(0,102,255,0.3); }.legacy-content .quad-cell.q-amber { background: rgba(217,119,6,0.05); border-color: rgba(217,119,6,0.3); }.legacy-content .quad-cell.q-red { background: rgba(220,38,38,0.04); border-color: rgba(220,38,38,0.3); }.legacy-content .quad-tag { font-size: 11px; font-weight: 800; letter-spacing: 0.5px; margin-bottom: 6px; }.legacy-content .q-green .quad-tag { color: var(--success); }.legacy-content .q-blue .quad-tag { color: var(--accent); }.legacy-content .q-amber .quad-tag { color: var(--amber); }.legacy-content .q-red .quad-tag { color: var(--danger); }.legacy-content .quad-cell h4 { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 5px; }.legacy-content .quad-cell p { font-size: 12.5px; color: var(--sub); line-height: 1.75; }.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 .two-q, .legacy-content .quad-grid { grid-template-columns: 1fr; }.legacy-content .game-task { font-size: 16px; min-height: 0; }.legacy-content .g-btn { font-size: 14px; padding: 12px 8px; }}