@keyframes _si{to{opacity:1}}

.legacy-content .challenge-box {background:rgba(220,38,38,.03);border:1.5px solid rgba(220,38,38,.18);border-radius:var(--radius);padding:22px 26px;margin:16px 0;display:flex;gap:14px;align-items:flex-start}.legacy-content .challenge-box .ch-icon {flex-shrink:0;width:40px;height:40px;border-radius:10px;background:rgba(220,38,38,.08);display:flex;align-items:center;justify-content:center;color:var(--danger)}.legacy-content .challenge-box .ch-content {flex:1}.legacy-content .challenge-box .ch-title {font-size:16px;font-weight:800;color:var(--danger);margin-bottom:8px}.legacy-content .challenge-box .ch-desc {font-size:14px;color:var(--text);line-height:1.8}.legacy-content .strategy-card {background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-card);margin-top:16px;position:relative;overflow:hidden}.legacy-content .strategy-card::before {content:'';position:absolute;top:0;left:0;right:0;height:4px}.legacy-content .strategy-card.s1::before {background:var(--accent)}.legacy-content .strategy-card.s1 {border:1.5px solid rgba(0,102,255,.2)}.legacy-content .strategy-card.s2::before {background:var(--purple)}.legacy-content .strategy-card.s2 {border:1.5px solid rgba(124,58,237,.2)}.legacy-content .strategy-card.s3::before {background:var(--cyan)}.legacy-content .strategy-card.s3 {border:1.5px solid rgba(8,145,178,.2)}.legacy-content .strategy-card .st-header {display:flex;align-items:center;gap:14px;margin-bottom:16px}.legacy-content .strategy-card .st-num {width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#fff;flex-shrink:0}.legacy-content .strategy-card.s1 .st-num {background:var(--accent)}.legacy-content .strategy-card.s2 .st-num {background:var(--purple)}.legacy-content .strategy-card.s3 .st-num {background:var(--cyan)}.legacy-content .strategy-card .st-title {font-size:18px;font-weight:800;color:var(--text)}.legacy-content .strategy-card .st-subtitle {font-size:13px;color:var(--sub);font-weight:600}.legacy-content .strategy-card .st-desc {font-size:14px;color:var(--text);line-height:1.8;margin-bottom:16px}.legacy-content .detail-list {list-style:none;padding:0;margin:0}.legacy-content .detail-list li {display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;line-height:1.7;color:var(--text)}.legacy-content .detail-list li:last-child {border-bottom:none}.legacy-content .detail-list .dl-dot {flex-shrink:0;width:6px;height:6px;border-radius:50%;margin-top:8px}.legacy-content .strategy-card.s1 .dl-dot {background:var(--accent)}.legacy-content .strategy-card.s2 .dl-dot {background:var(--purple)}.legacy-content .strategy-card.s3 .dl-dot {background:var(--cyan)}.legacy-content .example-block {background:rgba(0,0,0,.02);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;margin-top:14px}.legacy-content .example-block .ex-label {font-size:12px;font-weight:700;color:var(--sub);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.legacy-content .example-block .ex-content {font-size:13px;color:var(--text);line-height:1.7}.legacy-content .example-block .ex-content b {color:var(--accent)}.legacy-content .jit-section {margin:16px 0}.legacy-content .jit-compare {display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:12px 0}@media(max-width:768px){.legacy-content .jit-compare {grid-template-columns:1fr}}.legacy-content .jit-box {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-card)}.legacy-content .jit-box .jit-title {font-size:15px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:8px}.legacy-content .jit-box.preload .jit-title {color:var(--amber)}.legacy-content .jit-box.ondemand .jit-title {color:var(--success)}.legacy-content .jit-box .jit-desc {font-size:13px;color:var(--sub);line-height:1.7;margin-bottom:10px}.legacy-content .jit-box .jit-list {list-style:none;padding:0}.legacy-content .jit-box .jit-list li {font-size:13px;color:var(--text);padding:4px 0;padding-left:14px;position:relative;line-height:1.6}.legacy-content .jit-box .jit-list li::before {content:'';position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%}.legacy-content .jit-box.preload .jit-list li::before {background:var(--amber)}.legacy-content .jit-box.ondemand .jit-list li::before {background:var(--success)}.legacy-content .hybrid-box {background:linear-gradient(135deg,rgba(217,119,6,.04) 0%,rgba(22,163,74,.04) 100%);border:1.5px solid rgba(0,0,0,.08);border-radius:var(--radius);padding:20px 24px;margin-top:16px}.legacy-content .hybrid-box .hb-title {font-size:15px;font-weight:800;color:var(--text);margin-bottom:10px;display:flex;align-items:center;gap:8px}.legacy-content .hybrid-box .hb-title svg {color:var(--accent)}.legacy-content .hybrid-box .hb-desc {font-size:14px;color:var(--text);line-height:1.8}.legacy-content .hybrid-box .hb-desc b {color:var(--accent)}.legacy-content .summary-table-wrap {margin:20px 0}.legacy-content .summary-table {width:100%;border-collapse:separate;border-spacing:0;border-radius:var(--radius);overflow:hidden;border:1.5px solid var(--border);box-shadow:var(--shadow-card)}.legacy-content .summary-table th {background:var(--bg);padding:12px 16px;font-size:12px;font-weight:700;color:var(--sub);text-align:left;border-bottom:1.5px solid var(--border)}.legacy-content .summary-table td {padding:12px 16px;font-size:13px;color:var(--text);background:var(--card);border-bottom:1px solid var(--border);line-height:1.5}.legacy-content .summary-table tr:last-child td {border-bottom:none}.legacy-content .summary-table .stag {display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px}.legacy-content .stag.blue {background:rgba(0,102,255,.1);color:var(--accent)}.legacy-content .stag.purple {background:rgba(124,58,237,.1);color:var(--purple)}.legacy-content .stag.cyan {background:rgba(8,145,178,.1);color:var(--cyan)}.legacy-content .takeaway {background:rgba(0,102,255,.04);border:1.5px solid rgba(0,102,255,.18);border-radius:var(--radius);padding:18px 22px;font-size:15px;color:var(--text);display:flex;gap:12px;line-height:1.7;margin-top:24px}.legacy-content .takeaway b {color:var(--accent)}