.lesson-breadcrumb { padding: 26px clamp(24px,8vw,120px); display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 11px; font-weight: 700; border-bottom: 1px solid var(--line); background: #fff; }
.lesson-breadcrumb a:hover { color: var(--green); }
.lesson-breadcrumb span:last-child { color: var(--ink); }
.lesson-hero { padding: 76px clamp(24px,8vw,120px) 84px; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(50px,10vw,150px); align-items: end; background: radial-gradient(circle at 12% 18%,rgba(132,56,232,.13),transparent 28%),radial-gradient(circle at 82% 85%,rgba(83,217,255,.18),transparent 28%),var(--paper); }
.lesson-hero h1 { font-size: clamp(52px,6vw,84px); margin: 25px 0 0; }
.lesson-hero-copy > p { color: #475467; font-size: 18px; line-height: 1.75; margin: 0; }
.lesson-meta { display: flex; gap: 24px; margin-top: 27px; color: var(--green); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .7px; }
.lesson-visual { grid-column: 1 / -1; aspect-ratio: 16 / 5; margin: 8px 0 0; overflow: hidden; border: 1px solid var(--line); background: #eef4ff; }
.lesson-visual img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.lesson-body { padding: 90px clamp(24px,8vw,120px) 108px; display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(50px,10vw,150px); align-items: start; background: #f0f2f3; }
.lesson-aside { position: sticky; top: 30px; }
.lesson-aside > span { display: grid; place-items: center; width: 76px; height: 76px; background: #eef4ff; color: var(--green); font: 800 28px "Figtree",sans-serif; margin-bottom: 32px; }
.lesson-aside h2 { font-size: clamp(30px,3vw,42px); line-height: 1.16; }
.lesson-aside p { color: var(--muted); line-height: 1.7; }
.lesson-toc { display: grid; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.lesson-toc > b { margin-bottom: 12px; color: var(--muted); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; }
.lesson-toc a { padding: 12px 0; color: #344054; font-size: 15px; line-height: 1.35; font-weight: 700; border-bottom: 1px solid rgba(220,226,238,.75); }
.lesson-toc a:hover { color: var(--green); padding-left: 4px; }
.lesson-content { min-width: 0; position: relative; isolation: isolate; }
.lesson-content::before { content: ""; position: absolute; inset: -44px; z-index: -1; background: #fff; }
.lesson-block { padding: 0 0 58px; margin-bottom: 58px; border-bottom: 1px solid var(--line); scroll-margin-top: 112px; }
.lesson-block > small { display: block; color: var(--green); font-size: 10px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 14px; }
.lesson-block h2 { font-size: clamp(29px,3vw,40px); line-height: 1.2; margin-bottom: 20px; }
.lesson-block > p { color: #475467; font-size: 16px; line-height: 1.8; }
.scenario { margin-top: 28px; padding: 26px 28px; border-left: 4px solid #53d9ff; background: #eef4ff; color: #344054; font-size: 14px; line-height: 1.7; }
.scenario b { display: block; color: var(--green); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.version-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 30px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.version-card { min-height: 220px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.version-card > b { color: var(--green); font-size: 10px; }
.version-card h3 { margin: 36px 0 10px; font-size: 18px; }
.version-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.warning-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.warning-list li { padding: 18px 20px; display: flex; gap: 15px; align-items: flex-start; background: #fff; border: 1px solid var(--line); color: #475467; font-size: 14px; line-height: 1.55; }
.warning-list li::before { content: "!"; flex: 0 0 24px; height: 24px; display: grid; place-items: center; background: #fff0ef; color: var(--red); font: 800 11px "Figtree",sans-serif; }
.lesson-habits { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); margin-top: 28px; }
.lesson-habit { padding: 24px; border-right: 1px solid var(--line); }
.lesson-habit:last-child { border-right: 0; }
.lesson-habit > b { color: var(--green); font: 800 11px "Figtree",sans-serif; }
.lesson-habit h3 { font-size: 18px; margin: 28px 0 8px; }
.lesson-habit p { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 0; }
.safe-move { padding: 36px; background: linear-gradient(125deg,#082b78,#0757f8 57%,#7139d4); color: #fff; }
.safe-move small { color: #72ddff; font-size: 10px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
.safe-move h2 { font-size: clamp(28px,3vw,38px); margin: 17px 0 12px; }
.safe-move p { color: #dbe7ff; line-height: 1.75; margin: 0; }
.after-callout { margin-top: 58px; }
.action-list { list-style: none; padding: 0; margin: 32px 0 0; counter-reset: action; }
.action-list li { display: grid; grid-template-columns: 48px 1fr; gap: 20px; padding: 25px 0; border-top: 1px solid var(--line); }
.action-list li:last-child { border-bottom: 1px solid var(--line); }
.action-list li > b { width: 34px; height: 34px; display: grid; place-items: center; background: #eef4ff; color: var(--green); font-size: 10px; }
.action-list h3 { margin: 2px 0 8px; font-size: 17px; }
.action-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.topic-note { margin-top: 28px; padding: 25px 28px; background: #fff7e6; border-left: 4px solid #f5a623; color: #5f4a20; font-size: 14px; line-height: 1.75; }
.recovery-list li > b { background: #fff0ef; color: var(--red); }
.report-box { margin-top: 34px; padding: 28px; display: flex; justify-content: space-between; align-items: center; gap: 30px; background: #0757f8; color: #fff; }
.report-box small { color: #72ddff; font-size: 10px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
.report-box p { max-width: 580px; margin: 10px 0 0; color: #dbe7ff; font-size: 13px; line-height: 1.65; }
.report-box > strong { flex: 0 0 auto; color: #fff; font-size: clamp(30px,4vw,48px); letter-spacing: -2px; }
.defense-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 30px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.defense-grid article { min-height: 175px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.defense-grid article:last-child { grid-column: 1 / -1; min-height: auto; }
.defense-grid h3 { margin-bottom: 10px; font-size: 17px; }
.defense-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.local-guides > div { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.local-guides a { min-height: 86px; padding: 20px; display: flex; justify-content: space-between; align-items: center; gap: 20px; background: #eef4ff; color: #0757f8; font-size: 14px; font-weight: 800; }
.local-guides a:hover { background: #0757f8; color: #fff; }
.local-guides a b { font-size: 20px; }
.source-section { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.source-grid { display: grid; gap: 12px; margin-top: 30px; }
.source-card { padding: 24px; display: grid; grid-template-columns: 130px 1fr auto; gap: 24px; align-items: center; background: #fff; border: 1px solid var(--line); }
.source-card:hover { border-color: #9fbaff; box-shadow: 0 8px 24px rgba(16,24,40,.07); }
.source-card small { color: var(--green); font-size: 10px; font-weight: 800; letter-spacing: .7px; text-transform: uppercase; }
.source-card h3 { font-size: 15px; line-height: 1.4; }
.source-card span { color: var(--muted); font-size: 10px; font-weight: 800; white-space: nowrap; }
.related { padding: 78px clamp(24px,8vw,120px); background: #eef4ff; }
.related-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 30px; }
.related h2 { font-size: clamp(30px,3vw,42px); }
.related-head > a { color: var(--green); font-size: 12px; font-weight: 800; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.related-card { padding: 26px; background: #fff; border-top: 4px solid var(--green); }
.related-card small { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .7px; }
.related-card h3 { font-size: 20px; margin: 25px 0 8px; }
.related-card p { color: var(--muted); font-size: 13px; line-height: 1.6; margin-bottom: 0; }
.lesson-loading { padding: 100px clamp(24px,8vw,120px); color: var(--muted); }
@media(max-width:900px){.lesson-hero,.lesson-body{grid-template-columns:1fr}.lesson-aside{position:static}.lesson-toc{grid-template-columns:1fr 1fr;column-gap:30px}.lesson-toc>b{grid-column:1/-1}.lesson-habits{grid-template-columns:1fr}.lesson-habit{border-right:0;border-bottom:1px solid var(--line)}.lesson-habit:last-child{border-bottom:0}}
@media(max-width:560px){.lesson-hero{padding:55px 20px 62px}.lesson-hero h1{font-size:45px}.lesson-visual{aspect-ratio:4 / 3;margin-top:0}.lesson-body{padding:65px 20px}.lesson-content::before{inset:-24px -12px}.lesson-toc{grid-template-columns:1fr}.lesson-toc>b{grid-column:auto}.lesson-block{padding-bottom:42px;margin-bottom:42px}.scenario,.safe-move,.topic-note{padding:25px}.version-grid,.defense-grid,.local-guides>div{grid-template-columns:1fr}.version-card{min-height:auto}.defense-grid article:last-child{grid-column:auto}.action-list li{grid-template-columns:38px 1fr;gap:14px}.report-box{align-items:flex-start;flex-direction:column}.source-card{grid-template-columns:1fr;gap:10px}.related{padding:60px 20px}.related-head{align-items:flex-start;flex-direction:column}.related-grid{grid-template-columns:1fr}}