.lp{min-height:100vh;background:radial-gradient(1200px 600px at 20% -10%,var(--accent-soft),transparent),var(--bg);color:var(--ink)}.lp-wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 20px 56px}.lp-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0 6px}.lp-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}.lp-brand img{border-radius:9px}.lp-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,430px);grid-template-rows:auto 1fr;grid-template-areas:"head card" "cta  card";column-gap:48px;align-items:start;padding:30px 0 8px}.lp-head{grid-area:head}.lp-cta{grid-area:cta;padding-top:22px}.lp-card{grid-area:card}.lp-eyebrow{margin:0 0 10px;font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.lp-h1{margin:0 0 14px;font-size:clamp(1.95rem,6vw,3.1rem);line-height:1.08;letter-spacing:-.03em;font-weight:800}.lp-accent{color:var(--accent)}.lp-lead{margin:0;max-width:34em;font-size:clamp(1.02rem,2.6vw,1.18rem);color:var(--ink2)}.lp .btn.lp-cta-btn{padding:15px 30px;font-size:1.08rem;border-radius:14px;box-shadow:0 12px 26px -12px var(--accent)}.lp-micro{margin:12px 0 0;font-size:.88rem;color:var(--muted)}.lp-micro a,.lp-footer-nav a,.lp-linkbtn,.lp-consent a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.lp-chips{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}.lp-chips li{padding:5px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:.85rem;color:var(--ink2)}.lp-say{display:none}.lp-box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}.lp-card{padding:18px 22px 22px}.lp-card .auth-tabs{margin:0 0 12px}.lp-card-lead{margin:0 0 6px;text-align:center}.lp-field{margin:12px 0}.lp-label{display:block;margin-bottom:5px;font-size:.82rem;font-weight:500;color:var(--muted)}.lp-pw{position:relative}.lp .lp-pw .input{padding-right:98px}.lp-pw-toggle{position:absolute;top:50%;right:6px;transform:translateY(-50%);min-height:34px;padding:0 10px;border-radius:8px;font-size:.84rem;font-weight:600;color:var(--accent)}.lp-pw-toggle:hover{background:var(--accent-soft)}.lp-hint{margin:6px 0 0;font-size:.82rem;line-height:1.4;color:var(--muted)}.lp-hint-bad{color:var(--bad)}.lp-consent{display:flex;align-items:flex-start;gap:10px;margin:14px 0 4px;font-size:.88rem;line-height:1.4;cursor:pointer}.lp-consent input{flex:none;width:20px;height:20px;margin:1px 0 0;accent-color:var(--accent)}.lp-remember{margin:0;align-items:center}.lp .btn.lp-inline{display:inline;padding:0 2px;white-space:normal;word-break:break-all;text-decoration:underline;text-underline-offset:2px}.lp .btn.lp-submit{margin-top:14px}.lp-fineprint{margin:10px 0 0;text-align:center}.lp-section{margin-top:64px}.lp-h2{margin:0 0 8px;font-size:clamp(1.4rem,3.6vw,1.9rem);line-height:1.15;letter-spacing:-.025em;font-weight:800}.lp-sub{margin:0 0 22px;max-width:46em;color:var(--muted)}.lp-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}.lp-benefit{padding:22px}.lp-benefit-ic{display:grid;place-items:center;width:44px;height:44px;margin-bottom:14px;border-radius:12px;background:var(--accent-soft);color:var(--accent)}.lp-benefit h3{margin:0 0 6px;font-size:1.1rem}.lp-benefit p{margin:0;font-size:.95rem;color:var(--ink2)}.lp-lesson{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:20px;align-items:stretch}.lp-scene{display:flex;flex-direction:column;justify-content:center;padding:24px 20px 14px;background:linear-gradient(180deg,var(--accent-soft),var(--bg2))}.lp-dialog{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}.lp-line{display:flex;align-items:flex-end;gap:10px;animation:lp-pop .5s cubic-bezier(.2,.8,.2,1) both}.lp-line-b{flex-direction:row-reverse}.lp-bubble{max-width:78%;padding:9px 14px;border:1px solid var(--line2);border-radius:16px;background:var(--card)}.lp-line-a .lp-bubble{border-bottom-left-radius:4px}.lp-line-b .lp-bubble{border-bottom-right-radius:4px}.lp-bubble b{display:block;font-size:1.1rem;line-height:1.3}.lp-bubble span{display:block;font-size:.85rem;color:var(--muted)}.lp-ava{flex:none}.lp-ava-body{fill:var(--accent)}.lp-ava-b .lp-ava-body{fill:#f59e0b}.lp-ava-skin{fill:#f4c7a1}.lp-ava-hair{fill:#3f2a1d}.lp-ava-eye{fill:#1f2937}.lp-ava-mouth{fill:none;stroke:#1f2937;stroke-width:1.5;stroke-linecap:round}.lp-scene-cap{margin:16px 0 0;text-align:center;font-size:.85rem;color:var(--muted)}.lp-replay{align-self:center;margin-top:4px;padding:6px 8px;font-size:.82rem}@keyframes lp-pop{0%{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}.lp-steps{list-style:none;margin:0 0 16px;padding:0;counter-reset:lp-step;display:flex;flex-direction:column;gap:12px}.lp-steps li{counter-increment:lp-step;display:grid;grid-template-columns:34px minmax(0,1fr);column-gap:12px;align-items:start}.lp-steps li:before{content:counter(lp-step);grid-row:span 2;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:700}.lp-steps b{font-size:1rem}.lp-steps span{font-size:.92rem;color:var(--muted)}.lp-trap{padding:16px 18px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--line)}.lp-trap-tag{display:inline-block;margin-bottom:10px;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.lp-trap-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;font-size:1.05rem}.lp-bad,.lp-good{padding:4px 12px;border-radius:10px;font-weight:600}.lp-bad{background:var(--bad-soft);color:var(--bad)}.lp-good{background:var(--ok-soft);color:var(--ok)}.lp-arrow{color:var(--muted)}.lp-trap p{margin:0;font-size:.92rem;color:var(--ink2)}.lp-levels{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.lp-level{display:flex;flex-direction:column;gap:4px;padding:18px 18px 16px}.lp-level-code{font-size:2rem;line-height:1;font-weight:800;letter-spacing:-.03em;color:var(--accent)}.lp-level h3{margin:6px 0 0;font-size:1.02rem}.lp-level p{margin:0;font-size:.9rem;color:var(--ink2)}.lp-level-n{margin-top:auto;padding-top:10px;font-size:.82rem;font-weight:600;color:var(--muted)}.lp-author{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 26px}.lp-author p{margin:0;max-width:44em;color:var(--ink2)}.lp-footer{margin-top:56px;padding-top:22px;border-top:1px solid var(--line);text-align:center}.lp-footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 22px;margin-bottom:10px;font-size:.92rem}.lp-linkbtn{padding:0;background:none;border:0;font:inherit;cursor:pointer}.lp-footer p{margin:6px 0 0}.legal h1{font-size:clamp(1.45rem,7.4vw,1.75rem);overflow-wrap:anywhere}.legal h2{margin:24px 0 6px;font-size:1.1rem;letter-spacing:-.01em}.legal .lp-linkbtn{font-size:inherit}.lp-contact .field{margin:10px 0}.lp-hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}@media (min-width: 900px){.lp-say{display:flex;align-items:flex-end;gap:14px;margin-top:28px}.lp-say p{position:relative;margin:0 0 16px;padding:10px 14px;max-width:19em;border:1px solid var(--line2);border-radius:14px;background:var(--card);font-size:.95rem;line-height:1.45}.lp-say p:before{content:"";position:absolute;left:-8px;bottom:14px;width:14px;height:14px;background:var(--card);border-left:1px solid var(--line2);border-bottom:1px solid var(--line2);transform:rotate(45deg)}}@media (max-width: 899px){.lp-hero{grid-template-columns:minmax(0,1fr);grid-template-rows:auto;grid-template-areas:"head" "cta" "card";row-gap:22px;padding-top:14px}.lp-cta{padding-top:0}.lp-hero--returning{grid-template-areas:"head" "card" "cta"}.lp-hero--returning .lp-lead,.lp-hero--returning .lp-eyebrow{display:none}.lp-benefits,.lp-lesson{grid-template-columns:minmax(0,1fr)}.lp-levels{grid-template-columns:repeat(2,minmax(0,1fr))}.lp-section{margin-top:48px}}@media (max-width: 559px){.lp-wrap{padding:0 16px 48px}.lp-card{padding:16px 16px 20px}.lp-levels{gap:10px}.lp-level{padding:14px 14px 12px}.lp-level-code{font-size:1.7rem}.lp-level p{font-size:.84rem}.lp-scene{padding:20px 14px 12px}.lp-author{flex-direction:column;align-items:stretch;padding:20px}.lp .btn.lp-cta-btn{width:100%}}:root{--bg: #f4f5f8;--bg2: #eceef3;--card: #ffffff;--ink: #0f172a;--ink2: #334155;--muted: #5b6b82;--line: #e2e6ee;--line2: #cbd2de;--field-line: #76819a;--accent: #4f46e5;--accent2: #6366f1;--accent-ink: #ffffff;--accent-soft: #eef0ff;--accent-soft2: #dfe2ff;--accent-strong: #4338ca;--ok: #166534;--ok-soft: #e7f6ec;--bad: #c2410c;--bad-soft: #fdecec;--warn: #b45309;--warn-soft: #fff4dc;--info-soft: #eaf2ff;--focus: #4f46e5;--shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px -20px rgba(15, 23, 42, .25);--grad-a: #4f46e5;--grad-b: #6d28d9;--heat-0: #e2e6ee;--heat-1: #7078ee;--heat-2: #4338ca;--heat-3: #26206b;--flame: #b45309;--role-s: #dbeafe;--role-s-t: #1e3a8a;--role-v: #fde68a;--role-v-t: #78350f;--role-v2: #bbf7d0;--role-v2-t: #14532d;--role-k: #e9d5ff;--role-k-t: #581c87;--role-x: #e5e7eb;--role-x-t: #1f2937;--role-h: #fecaca;--role-h-t: #7f1d1d;--verb-bg: #fff8ec;--verb-line: #e9d5ab;--verb-ink: #8a5a12;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--sp-7: 48px;--sp-8: 64px;--r-sm: 8px;--r-md: 14px;--r-lg: 20px;--r-pill: 999px;--r: 14px;--rs: 10px;--sh-1: 0 1px 2px rgba(15, 23, 42, .06);--sh-2: 0 8px 24px -8px rgba(15, 23, 42, .18);--fs-eyebrow: 12px;--fs-sm: 14px;--fs-body: 16px;--fs-section: 17px;--fs-title: 24px;--fs-task: 32px;--lh-body: 1.55;--font-sans: Inter, "SF Pro Text", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display: ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;--h-control-sm: 36px;--h-control: 44px;--h-control-lg: 52px;--dur-hover: .12s;--dur-reveal: .2s;--dur-step: .32s;--ease: cubic-bezier(.2, .7, .2, 1);--w-content: 1040px;--w-sidebar: 232px;--w-reading: 68ch;--side: 248px;--content: 960px}@media (prefers-color-scheme: dark){:root{--bg: #0b1020;--bg2: #0f162b;--card: #141b30;--ink: #e6e9f2;--ink2: #c3c9d8;--muted: #8b93a7;--line: #232c47;--line2: #334063;--field-line: #66739a;--accent: #818cf8;--accent2: #a5b4fc;--accent-ink: #0b1020;--accent-soft: #1c2350;--accent-soft2: #262f66;--ok: #4ade80;--ok-soft: #12301f;--bad: #fb923c;--bad-soft: #3b1d12;--warn: #fbbf24;--warn-soft: #3a2d0f;--info-soft: #16223d;--focus: #a5b4fc;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px -20px rgba(0, 0, 0, .7);--sh-1: 0 1px 2px rgba(0, 0, 0, .24);--sh-2: 0 8px 28px -8px rgba(0, 0, 0, .5);--grad-a: #4338ca;--grad-b: #5b21b6;--heat-0: #232c47;--heat-1: #5a5fe0;--heat-2: #8b94f8;--heat-3: #d6dcff;--flame: #fbbf24;--role-s: #1e3a8a;--role-s-t: #dbeafe;--role-v: #78350f;--role-v-t: #fde68a;--role-v2: #14532d;--role-v2-t: #bbf7d0;--role-k: #581c87;--role-k-t: #e9d5ff;--role-x: #2b3550;--role-x-t: #e5e7eb;--role-h: #7f1d1d;--role-h-t: #fecaca;--verb-bg: #2a2314;--verb-line: #5a4a24;--verb-ink: #e6c27a}}*,*:before,*:after{box-sizing:border-box}[hidden]{display:none!important}html{color-scheme:light dark}body{margin:0;background:var(--bg);color:var(--ink);font:var(--fs-body) / var(--lh-body) var(--font-sans);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}ul,ol{padding-left:1.4em}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:none;border:none;padding:0}a{color:inherit;text-decoration:none}p a,.cookie-notice a,.legal a,.hint-box a,.fb a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}img{display:block;max-width:100%}svg{max-width:100%}svg.ic{display:inline-block}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.skip-link{position:absolute;left:-999px;top:8px;z-index:100;background:var(--card);color:var(--ink);padding:10px 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var(--line);display:flex;flex-direction:column;padding:var(--sp-4) var(--sp-3)}.sidebar-brand{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-2) var(--sp-5)}.sidebar-brand b{display:block;font-size:15px}.sidebar-brand small{display:block;color:var(--muted);font-size:12px}.nav-group-label{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:var(--sp-4) var(--sp-2) var(--sp-1)}.nav-group-label:first-child{padding-top:var(--sp-1)}.nav-link{display:flex;align-items:center;gap:var(--sp-3);padding:9px var(--sp-2);border-radius:var(--r-sm);color:var(--ink2);font-size:14.5px;font-weight:500;position:relative}.nav-link svg{flex:none;opacity:.85}.nav-link:hover{background:var(--bg2)}.nav-link.active{background:var(--accent-soft);color:var(--accent)}.nav-link.active svg{opacity:1}.nav-link.active:before{content:"";position:absolute;left:-12px;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--accent)}.nav-count{margin-left:auto;font-size:11.5px;font-weight:600;color:var(--ink2);background:var(--bg2);border-radius:var(--r-pill);padding:1px 7px}.sidebar-spacer{flex:1 1 auto}.sidebar-user{display:flex;align-items:center;gap:var(--sp-2);border-top:1px solid var(--line);padding-top:var(--sp-3);margin-top:var(--sp-3)}.sidebar-user .who{min-width:0}.sidebar-user .who b{display:block;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-user .who span{display:block;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-admin-link{border-top:1px solid var(--line);margin-top:var(--sp-3);padding-top:var(--sp-3)}.sidebar-admin-link .nav-link{color:var(--muted)}.content-area{flex:1 1 auto;min-width:0}.page{max-width:var(--w-content);margin:0 auto;padding:var(--sp-6) var(--sp-5) 96px}.page-narrow{max-width:680px}.page-header{margin-bottom:var(--sp-5);align-items:flex-start}.page-header h1{font-size:var(--fs-title);font-weight:700;letter-spacing:-.02em}.page-header .sub{color:var(--muted);font-size:var(--fs-sm);margin-top:2px}.page-header .back{display:inline-flex;align-items:center;justify-content:center;flex:none;width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--card);color:var(--ink2)}.page-header .back:hover{border-color:var(--accent);color:var(--accent)}.bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav-row{display:grid;grid-template-columns:repeat(5,1fr)}.bottom-nav-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px 6px;font-size:11.5px;color:var(--muted);min-height:56px;justify-content:center;background:none;border:0;font-family:inherit;cursor:pointer}.bottom-nav-item svg{opacity:.85}.bottom-nav-item.active{color:var(--accent)}.bottom-nav-item.active svg{opacity:1}.bottom-nav-item .nav-count{position:absolute;top:4px;right:calc(50% - 22px);font-size:11px;padding:0 5px}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#02061773;z-index:40;display:flex;align-items:flex-end;animation:fade .15s ease-out}.sheet{background:var(--card);width:100%;border-radius:18px 18px 0 0;padding:10px 12px calc(12px + env(safe-area-inset-bottom));box-shadow:var(--shadow);animation:sheet-up .18s ease-out;display:flex;flex-direction:column;gap:2px;max-height:70vh;overflow-y:auto}.sheet-handle{width:36px;height:4px;border-radius:999px;background:var(--line);margin:2px auto 10px}.sheet-link{display:flex;align-items:center;gap:var(--sp-3);padding:13px var(--sp-3);border-radius:var(--r-sm);color:var(--ink2);font-size:15px;font-weight:500;background:none;border:0;font-family:inherit;text-align:left;cursor:pointer;width:100%}.sheet-link:active{background:var(--bg2)}.sheet-link svg{flex:none;opacity:.85}@keyframes sheet-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}@media (max-width: 1023px){.sidebar{display:none}.bottom-nav{display:block}.page{padding-bottom:96px}}@media (pointer: coarse){.page-header .back{width:44px;height:44px}}@media (max-width: 640px){.page{padding:var(--sp-4) var(--sp-4) 96px}.page-header{margin-bottom:var(--sp-3)}.page-header h1{font-size:1.3rem;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.page-header .sub{margin-top:0;font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}}@media (min-width: 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