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

.legacy-content .lesson-header .kicker {color:var(--al)}.legacy-content .l-callout b {color:var(--al)}.legacy-content .rr-box {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:20px 24px}.legacy-content .rr-query {display:flex;align-items:center;gap:10px;background:rgba(0,0,0,.03);border-radius:var(--radius-sm);padding:11px 16px;margin-bottom:18px}.legacy-content .rr-query .rq-icon {font-size:17px}.legacy-content .rr-query .rq-text {font-size:14px;font-weight:800;color:var(--text)}.legacy-content .rr-query .rq-tag {margin-left:auto;font-size:10.5px;font-weight:800;color:var(--al);background:var(--al-soft);padding:2px 10px;border-radius:99px;white-space:nowrap}.legacy-content .rr-weights {display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.legacy-content .rr-w {border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px}.legacy-content .rr-w label {display:flex;justify-content:space-between;align-items:baseline;font-size:12.5px;font-weight:800;color:var(--text);margin-bottom:6px}.legacy-content .rr-w label b {font-size:15px;font-weight:900;color:var(--al);font-variant-numeric:tabular-nums}.legacy-content .rr-w input[type=range] {width:100%;accent-color:var(--al)}.legacy-content .rr-list {position:relative}.legacy-content .rr-item {position:absolute;left:0;right:0;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;display:flex;align-items:center;gap:12px;transition:top .45s cubic-bezier(.25,1,.5,1),border-color .3s,background .3s;height:74px;overflow:hidden}.legacy-content .rr-item.top1 {border-color:rgba(22,163,74,.45);background:rgba(22,163,74,.04)}.legacy-content .rr-item.top1.trap {border-color:rgba(220,38,38,.45);background:rgba(220,38,38,.04)}.legacy-content .rr-rank {width:26px;height:26px;border-radius:50%;background:rgba(0,0,0,.06);color:var(--sub);display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:900;flex-shrink:0;transition:background .3s,color .3s}.legacy-content .rr-item.top1 .rr-rank {background:var(--success);color:#fff}.legacy-content .rr-item.top1.trap .rr-rank {background:var(--danger);color:#fff}.legacy-content .rr-main {flex:1;min-width:0}.legacy-content .rr-title {font-size:13px;font-weight:800;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.legacy-content .rr-title .rt-tag {font-size:10px;font-weight:800;padding:1px 8px;border-radius:99px;margin-left:6px;vertical-align:1px}.legacy-content .rt-tag.good {background:rgba(22,163,74,.12);color:var(--success)}.legacy-content .rt-tag.bad {background:rgba(220,38,38,.12);color:var(--danger)}.legacy-content .rr-bars {display:flex;gap:10px;margin-top:6px}.legacy-content .rr-b {flex:1;display:flex;align-items:center;gap:5px}.legacy-content .rr-b .rb-name {font-size:9.5px;font-weight:800;color:var(--sub);flex-shrink:0;width:36px}.legacy-content .rr-b .rb-track {flex:1;height:6px;border-radius:3px;background:rgba(0,0,0,.06);overflow:hidden}.legacy-content .rr-b .rb-fill {height:100%;border-radius:3px}.legacy-content .rb-fill.sim {background:#2563eb}.legacy-content .rb-fill.kw {background:#d97706}.legacy-content .rb-fill.fresh {background:#16a34a}.legacy-content .rr-score {flex-shrink:0;text-align:right;width:56px}.legacy-content .rr-score .rs-num {font-size:18px;font-weight:900;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.2}.legacy-content .rr-score .rs-label {font-size:9.5px;font-weight:800;color:var(--sub)}.legacy-content .rr-note {margin-top:14px;padding:13px 16px;border-radius:var(--radius-sm);font-size:13.5px;line-height:1.8;transition:background .3s,border-color .3s}.legacy-content .rr-note.warn {background:rgba(220,38,38,.05);border:1.5px dashed rgba(220,38,38,.35);color:#7f1d1d}.legacy-content .rr-note.ok {background:rgba(22,163,74,.05);border:1.5px dashed rgba(22,163,74,.35);color:#14532d}.legacy-content .rr-note b {font-weight:800}.legacy-content .funnel-box {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:24px}.legacy-content .funnel {display:flex;flex-direction:column;align-items:center;gap:0}.legacy-content .fn-stage {border-radius:10px;padding:13px 18px;text-align:center;color:#fff;transition:transform .5s,opacity .5s;opacity:0;transform:translateY(10px)}.legacy-content .fn-stage.show {opacity:1;transform:translateY(0)}.legacy-content .fn-stage .fs-num {font-size:20px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1.2}.legacy-content .fn-stage .fs-name {font-size:11.5px;font-weight:800;opacity:.92;margin-top:2px}.legacy-content .fn-s1 {width:100%;background:linear-gradient(135deg,#f472b6,#db2777)}.legacy-content .fn-s2 {width:62%;background:linear-gradient(135deg,#db2777,#be185d)}.legacy-content .fn-s3 {width:32%;background:linear-gradient(135deg,#be185d,#9d174d)}.legacy-content .fn-arrow {display:flex;flex-direction:column;align-items:center;padding:6px 0;opacity:0;transition:opacity .5s}.legacy-content .fn-arrow.show {opacity:1}.legacy-content .fn-arrow .fa-glyph {font-size:15px;color:var(--al)}.legacy-content .fn-arrow .fa-label {font-size:11.5px;font-weight:800;color:var(--al-deep);background:var(--al-soft);padding:3px 14px;border-radius:99px;margin-top:2px;white-space:nowrap}.legacy-content .funnel-qa {display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}.legacy-content .fq-card {border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px}.legacy-content .fq-card h5 {font-size:13px;font-weight:800;color:var(--text);margin-bottom:5px}.legacy-content .fq-card p {font-size:12.5px;color:var(--sub);line-height:1.75}.legacy-content .fq-card p b {color:var(--al-deep)}.legacy-content .same-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.legacy-content .same-card {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:16px 18px}.legacy-content .same-card .sc-icon {font-size:24px;margin-bottom:8px}.legacy-content .same-card h4 {font-size:14px;font-weight:800;color:var(--text);margin-bottom:5px}.legacy-content .same-card p {font-size:12.5px;color:var(--sub);line-height:1.7}.legacy-content .takeaway-box {background:linear-gradient(135deg,#fdf2f8,#fce7f3);border:1.5px solid #fbcfe8;border-radius:var(--radius);padding:24px 28px;margin-top:36px}.legacy-content .takeaway-box h3 {font-size:17px;font-weight:800;color:#9d174d;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:#831843;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:#db2777}@media (max-width:768px){.legacy-content .rr-weights {grid-template-columns:1fr}.legacy-content .rr-item {height:96px;flex-wrap:wrap;padding:9px 12px}.legacy-content .rr-bars {gap:6px}.legacy-content .funnel-qa {grid-template-columns:1fr}.legacy-content .same-grid {grid-template-columns:1fr}}

.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)}