@keyframes _si{to{opacity:1}}

.legacy-content .objective {display:flex;gap:14px;padding:18px 20px;border-radius:14px;border:1px solid rgba(217,149,22,.27);background:linear-gradient(135deg,var(--amber-soft),transparent);margin:18px 0 28px}.legacy-content .objective svg {color:var(--accent);flex:0 0 auto}.legacy-content .objective b {display:block;color:var(--accent);margin-bottom:4px}.legacy-content .objective span {font-size:14px;line-height:1.7}.legacy-content .projection {background:var(--surface-soft);border:1px solid #5b4116;border-radius:18px;padding:19px;box-shadow:0 18px 50px rgba(75,48,5,.18)}.legacy-content .projection svg {display:block;width:100%;height:auto}.legacy-content .caption {text-align:center;color:var(--muted);font-size:12px;margin-top:8px}.legacy-content .fields {display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.legacy-content .field {background:var(--card);border:1px solid var(--border);border-radius:10px;padding:13px;box-shadow:var(--shadow-card)}.legacy-content .field code {color:var(--accent);font-weight:800}.legacy-content .field p {font-size:11px;color:var(--sub);line-height:1.55;margin:5px 0 0}.legacy-content .contract {display:grid;grid-template-columns:1fr 1fr;gap:16px}.legacy-content .contract-card {background:var(--card);border:1px solid var(--border);border-radius:14px;padding:19px;box-shadow:var(--shadow-card)}.legacy-content .contract-card h3 {margin:0 0 10px;font-size:15px}.legacy-content .meta-list {display:flex;flex-wrap:wrap;gap:7px}.legacy-content .meta-list code {padding:5px 8px;background:var(--bg);border-radius:6px;color:var(--accent);font-size:11px}.legacy-content .contract-card p {font-size:13px;color:var(--sub);line-height:1.75;margin:10px 0 0}.legacy-content .public-note {padding:17px 19px;background:#fff8e9;border:1px solid #ecd198;border-radius:13px;font-size:13px;line-height:1.75;color:#59451f}.legacy-content .public-note code {color:#9b670b;font-weight:700}.legacy-content .source {background:var(--surface-soft);border:1px solid #4d3816;border-radius:14px;overflow:hidden}.legacy-content .source-head {padding:10px 16px;background:var(--surface-soft);color:var(--muted);font:12px ui-monospace,SFMono-Regular,Menlo,monospace}.legacy-content .source pre {padding:17px;margin:0;overflow:auto}.legacy-content .source code {color:var(--muted);font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace}.legacy-content .kw {color:#f4b942}.legacy-content .ty {color:var(--muted)}.legacy-content .num {color:#e7a329}.legacy-content .cm {color:#968970}.legacy-content .exercise {display:grid;grid-template-columns:48px 1fr;gap:15px;padding:19px;border:1px solid rgba(217,149,22,.3);border-radius:14px;background:linear-gradient(135deg,#fff8e9,var(--card))}.legacy-content .exercise-num {height:48px;border-radius:12px;background:var(--accent);display:grid;place-items:center;color:#fff;font-weight:900}.legacy-content .exercise h3 {margin:0 0 6px;font-size:16px}.legacy-content .exercise p {margin:0;color:var(--sub);font-size:13px;line-height:1.72}.legacy-content .snapshot {margin-top:13px;padding:13px 16px;border:1px solid var(--border);border-radius:8px;background:var(--bg);font-size:12px;line-height:1.7;color:var(--sub)}.legacy-content .snapshot code {color:var(--text)}.legacy-content .takeaway {margin-top:22px;padding:19px 22px;border-radius:14px;background:var(--surface-soft);color:var(--muted);display:flex;gap:13px;line-height:1.75}.legacy-content .takeaway svg {color:var(--gold);flex:0 0 auto}.legacy-content .takeaway b {color:var(--gold)}@media(max-width:760px){.legacy-content .fields {grid-template-columns:1fr 1fr}.legacy-content .contract {grid-template-columns:1fr}.legacy-content .projection {padding:9px}}@media(max-width:430px){.legacy-content .fields {grid-template-columns:1fr}.legacy-content .objective {flex-direction:column}}

.legacy-content .xa-tldr {margin:18px 0 4px;padding:14px 18px;background:rgba(0,102,255,0.04);border:1px solid rgba(0,102,255,0.16);border-radius:10px}.legacy-content .xa-tldr .xa-tldr-tag {display:block;font-size:11px;font-weight:800;letter-spacing:1px;color:var(--accent,#0066ff);margin-bottom:6px}.legacy-content .xa-tldr p {margin:0;font-size:15px;line-height:1.8;color:var(--text,#1f2937)}