:root{--ln-ink:#111;--ln-ink-2:#2a2926;--ln-paper:#fff;--ln-paper-alt:#faf8f4;--ln-cream:#f2ecdf;--ln-hairline:#e3dfd6;--ln-body:#4a4844;--ln-muted:#8a8780;--ln-gold:#c9962b;--ln-gold-soft:#f6ead0;--ln-green:#2f7a4d;--ln-green-soft:#e3f1e8;--ln-red:#b3412e;--ln-red-soft:#f8e4df;--ln-stage:#0d0c0b;--ln-display:"TT Norms Pro Display", "TT Norms Pro", system-ui, sans-serif;--ln-sans:"Poppins", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;--ln-mono:"Geist Mono", ui-monospace, Menlo, monospace;--ln-radius:6px;--ln-shadow:0 1px 2px #1111110a, 0 8px 24px -12px #1111112e;--ln-gutter:clamp(16px, 4vw, 40px);--ln-max:1200px}*{box-sizing:border-box}html,body{margin:0;padding:0}body.ln-body{background:var(--ln-paper);color:var(--ln-ink);font:400 16px/1.6 var(--ln-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}.ln-body a{color:inherit}.ln-body button{font:inherit;color:inherit}.ln-body :focus-visible{outline:2px solid var(--ln-gold);outline-offset:2px;border-radius:3px}.ln-skip{background:var(--ln-ink);color:#fff;z-index:100;padding:8px 12px;position:absolute;top:0;left:-9999px}.ln-skip:focus{top:8px;left:8px}.ln-wrap{max-width:var(--ln-max);padding:0 var(--ln-gutter);margin:0 auto}.ln-narrow{max-width:760px;padding:0 var(--ln-gutter);margin:0 auto}.ln-display{font-family:var(--ln-display);text-transform:uppercase;letter-spacing:-.005em;text-wrap:balance;margin:0;font-weight:900;line-height:.92}.ln-h1{font:700 clamp(28px, 3.4vw, 40px)/1.15 var(--ln-sans);letter-spacing:-.01em;text-wrap:balance;margin:0}.ln-h2{font:600 clamp(20px, 2vw, 24px)/1.25 var(--ln-sans);text-wrap:balance;margin:0}.ln-h3{font:600 17px/1.35 var(--ln-sans);margin:0}.ln-eyebrow{font:600 11px/1 var(--ln-sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ln-muted)}.ln-lede{color:var(--ln-body);max-width:60ch;margin:0;font-size:clamp(16px,1.4vw,19px)}.ln-muted{color:var(--ln-muted)}.ln-small{font-size:13.5px}.ln-tabular{font-variant-numeric:tabular-nums}.ln-btn{border-radius:var(--ln-radius);border:1px solid var(--ln-ink);background:var(--ln-ink);min-height:44px;font:600 15px/1 var(--ln-sans);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding:0 20px;text-decoration:none;transition:transform .12s,background .15s,box-shadow .15s;display:inline-flex;color:#fff!important}.ln-btn:hover{background:#000;box-shadow:0 6px 18px -8px #00000080}.ln-btn:active{transform:translateY(1px)}.ln-btn:disabled,.ln-btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;box-shadow:none}.ln-btn--ghost{border-color:var(--ln-hairline);background:0 0;color:var(--ln-ink)!important}.ln-btn--ghost:hover{background:var(--ln-paper-alt);border-color:var(--ln-ink);box-shadow:none}.ln-btn--light{background:#fff;border-color:#fff;color:var(--ln-ink)!important}.ln-btn--light:hover{background:var(--ln-cream)}.ln-btn--block{width:100%}.ln-btn--lg{min-height:52px;padding:0 26px;font-size:16px}.ln-btn--sm{min-height:36px;padding:0 14px;font-size:14px}.ln-link{color:var(--ln-ink);text-underline-offset:3px;cursor:pointer;font:inherit;background:0 0;border:0;padding:0;text-decoration:underline}.ln-header{z-index:30;-webkit-backdrop-filter:saturate(160%)blur(12px);backdrop-filter:saturate(160%)blur(12px);border-bottom:1px solid var(--ln-hairline);background:#ffffffeb;position:sticky;top:0}.ln-header__in{align-items:center;gap:20px;min-height:64px;display:flex}.ln-brand{flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:flex}.ln-brand img{width:auto;height:34px;display:block}.ln-brand__site{font:600 12px/1 var(--ln-sans);letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--ln-ink);border-radius:3px;padding:5px 8px}.ln-nav{flex:1;gap:4px;min-width:0;display:flex}.ln-nav a{color:var(--ln-body);border-radius:999px;padding:8px 12px;font-size:15px;text-decoration:none}.ln-nav a:hover{color:var(--ln-ink);background:var(--ln-paper-alt)}.ln-nav a[aria-current=page]{color:var(--ln-ink);font-weight:600}.ln-avatar{background:var(--ln-ink);color:#fff;width:36px;height:36px;font:600 14px/1 var(--ln-sans);cursor:pointer;border:0;border-radius:50%;place-items:center;display:grid}.ln-menu{position:relative}.ln-menu__panel{border:1px solid var(--ln-hairline);min-width:240px;box-shadow:var(--ln-shadow);z-index:40;background:#fff;border-radius:10px;padding:8px;position:absolute;top:calc(100% + 8px);right:0}.ln-menu__panel a,.ln-menu__panel button{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;width:100%;padding:10px 12px;font-size:15px;text-decoration:none;display:block}.ln-menu__panel a:hover,.ln-menu__panel button:hover{background:var(--ln-paper-alt)}.ln-menu__who{border-bottom:1px solid var(--ln-hairline);margin-bottom:6px;padding:10px 12px 12px}@media (width<=640px){.ln-nav a{padding:8px;font-size:14px}.ln-brand__site{display:none}}.ln-footer{border-top:1px solid var(--ln-hairline);color:var(--ln-muted);margin-top:96px;padding:32px 0 48px;font-size:14px}.ln-footer__in{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;display:flex}.ln-footer a{color:var(--ln-body)}.ln-badge{font:600 12px/1 var(--ln-sans);background:var(--ln-paper-alt);border:1px solid var(--ln-hairline);color:var(--ln-ink-2);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:6px 9px;display:inline-flex}.ln-badge--gold{background:var(--ln-gold-soft);color:#6b4c0d;border-color:#ead7ad}.ln-badge--green{background:var(--ln-green-soft);color:#1f5a37;border-color:#c4e2cf}.ln-badge--ink{background:var(--ln-ink);border-color:var(--ln-ink);color:#fff}.ln-progress{background:var(--ln-hairline);border-radius:999px;height:6px;overflow:hidden}.ln-progress>i{background:var(--ln-gold);border-radius:999px;height:100%;transition:width .5s cubic-bezier(.2,.8,.2,1);display:block}.ln-progress--done>i{background:var(--ln-green)}.ln-hero{border-bottom:1px solid var(--ln-hairline);background:linear-gradient(180deg, var(--ln-paper-alt), var(--ln-paper));padding:clamp(48px,8vw,104px) 0 clamp(32px,5vw,56px)}.ln-hero .ln-display{max-width:12ch;font-size:clamp(44px,7.6vw,104px)}.ln-hero .ln-lede{margin-top:20px}.ln-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px;display:grid}.ln-card{border:1px solid var(--ln-hairline);background:#fff;border-radius:10px;flex-direction:column;text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;overflow:hidden}.ln-card:hover{box-shadow:var(--ln-shadow);border-color:#d6d0c4;transform:translateY(-3px)}.ln-cover{aspect-ratio:16/9;background:var(--ln-cream);position:relative;overflow:hidden}.ln-cover img{object-fit:cover;width:100%;height:100%;display:block}.ln-cover__blank{text-align:center;background:radial-gradient(120% 120% at 0% 100%, #e8bb55 0 18%, transparent 18.5%), radial-gradient(90% 90% at 100% 0%, #d2815f 0 14%, transparent 14.5%), var(--ln-cream);place-items:center;padding:20px;display:grid;position:absolute;inset:0}.ln-cover__blank span{font:900 clamp(18px, 2.2vw, 26px)/.95 var(--ln-display);text-transform:uppercase;color:var(--ln-ink);max-width:14ch}.ln-card__body{flex-direction:column;flex:1;gap:8px;padding:18px 18px 20px;display:flex}.ln-card__title{font:600 18px/1.3 var(--ln-sans);margin:0}.ln-card__sub{color:var(--ln-body);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:14.5px;display:-webkit-box;overflow:hidden}.ln-card__meta{color:var(--ln-muted);flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:10px;font-size:13.5px;display:flex}.ln-card__price{color:var(--ln-ink);margin-left:auto;font-weight:600}.ln-member-band{background:var(--ln-ink);color:#fff;border-radius:12px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;margin-top:56px;padding:clamp(24px,4vw,40px);display:grid}.ln-member-band .ln-h2{color:#fff}.ln-member-band p{color:#ffffffb8;max-width:56ch;margin:8px 0 0}@media (width<=720px){.ln-member-band{grid-template-columns:1fr}}.ln-empty{text-align:center;border:1px dashed var(--ln-hairline);color:var(--ln-body);border-radius:12px;padding:64px 24px}.ln-course-hero{background:var(--ln-ink);color:#fff;padding:clamp(40px,6vw,72px) 0}.ln-course-hero__grid{grid-template-columns:minmax(0,1fr) 380px;align-items:start;gap:clamp(28px,4vw,56px);display:grid}.ln-course-hero .ln-display{color:#fff;font-size:clamp(38px,5.6vw,72px)}.ln-course-hero .ln-lede{color:#ffffffc7;margin-top:16px}.ln-course-hero .ln-eyebrow{color:#fff9}.ln-by{align-items:center;gap:12px;margin-top:24px;display:flex}.ln-by img,.ln-by .ln-by__init{object-fit:cover;background:#2a2926;border-radius:50%;flex-shrink:0;place-items:center;width:44px;height:44px;font-weight:600;display:grid}.ln-facts{color:#ffffffb3;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:14px;display:flex}.ln-facts span{align-items:center;gap:6px;display:inline-flex}.ln-buy{color:var(--ln-ink);background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 30px 60px -30px #0009}.ln-buy__cover{aspect-ratio:16/9;background:var(--ln-cream);position:relative;overflow:hidden}.ln-buy__cover img{object-fit:cover;width:100%;height:100%;display:block}.ln-buy__play{width:64px;height:64px;color:var(--ln-ink);cursor:pointer;background:#fffffff2;border:0;border-radius:50%;place-items:center;margin:auto;display:grid;position:absolute;inset:0;box-shadow:0 10px 30px #00000059}.ln-buy__body{gap:12px;padding:20px;display:grid}.ln-price{font:700 32px/1 var(--ln-sans);letter-spacing:-.01em}.ln-price small{color:var(--ln-muted);margin-left:4px;font-size:15px;font-weight:500}.ln-or{color:var(--ln-muted);align-items:center;gap:10px;font-size:13px;display:flex}.ln-or:before,.ln-or:after{content:"";background:var(--ln-hairline);flex:1;height:1px}.ln-includes{border-top:1px solid var(--ln-hairline);color:var(--ln-body);gap:8px;margin:4px 0 0;padding:12px 0 0;font-size:14px;list-style:none;display:grid}.ln-includes li{align-items:center;gap:10px;display:flex}.ln-section{padding:clamp(36px,5vw,56px) 0 0}.ln-course-grid{grid-template-columns:minmax(0,1fr) 380px;gap:clamp(28px,4vw,56px);display:grid}.ln-outcomes{border:1px solid var(--ln-hairline);border-radius:10px;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px;margin:18px 0 0;padding:22px;list-style:none;display:grid}.ln-outcomes li{align-items:flex-start;gap:10px;font-size:15px;display:flex}.ln-outcomes svg{color:var(--ln-green);flex-shrink:0;margin-top:3px}.ln-prose{color:var(--ln-body);font-size:16px}.ln-prose p{margin:0 0 14px}@media (width<=960px){.ln-course-hero__grid,.ln-course-grid,.ln-outcomes{grid-template-columns:1fr}}.ln-curr{border:1px solid var(--ln-hairline);border-radius:10px;margin-top:18px;overflow:hidden}.ln-curr__sec+.ln-curr__sec{border-top:1px solid var(--ln-hairline)}.ln-curr__head{background:var(--ln-paper-alt);cursor:pointer;text-align:left;border:0;align-items:center;gap:12px;width:100%;padding:16px 18px;display:flex}.ln-curr__head:hover{background:var(--ln-cream)}.ln-curr__head b{flex:1;font-weight:600}.ln-curr__head span{color:var(--ln-muted);font-size:13.5px}.ln-curr__chev{color:var(--ln-muted);transition:transform .2s}.ln-curr__sec[data-open=true] .ln-curr__chev{transform:rotate(180deg)}.ln-curr__list{margin:0;padding:4px 0;list-style:none}.ln-curr__item{align-items:center;gap:12px;padding:11px 18px;font-size:15px;display:flex}.ln-curr__item button,.ln-curr__item a{cursor:pointer;text-align:left;text-underline-offset:3px;font:inherit;background:0 0;border:0;padding:0;text-decoration:underline}.ln-curr__item .ln-curr__dur{color:var(--ln-muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:13.5px}.ln-kind{width:22px;height:22px;color:var(--ln-muted);flex-shrink:0;place-items:center;display:grid}.ln-instructor{grid-template-columns:96px minmax(0,1fr);align-items:start;gap:20px;margin-top:18px;display:grid}.ln-instructor img,.ln-instructor .ln-by__init{object-fit:cover;background:var(--ln-cream);width:96px;height:96px;font:600 28px/1 var(--ln-sans);border-radius:50%;place-items:center;display:grid}.ln-player{grid-template-columns:340px minmax(0,1fr);min-height:calc(100vh - 56px);display:grid}.ln-player__top{z-index:30;background:var(--ln-ink);color:#fff;align-items:center;gap:14px;min-height:56px;padding:0 16px;display:flex;position:sticky;top:0}.ln-player__top a{color:#fff;text-decoration:none}.ln-player__top .ln-player__title{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:15px;font-weight:600;overflow:hidden}.ln-player__pct{color:#ffffffbf;align-items:center;gap:10px;font-size:13.5px;display:flex}.ln-player__pct .ln-progress{background:#ffffff2e;width:120px}.ln-iconbtn{width:38px;height:38px;color:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;display:grid}.ln-iconbtn:hover{background:#ffffff1a}.ln-side{border-right:1px solid var(--ln-hairline);background:var(--ln-paper-alt);max-height:calc(100vh - 56px);position:sticky;top:56px;overflow-y:auto}.ln-side__sec{padding:14px 0 6px}.ln-side__sec h3{font:600 12px/1.3 var(--ln-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--ln-muted);margin:0;padding:0 18px 6px}.ln-side__lesson{text-align:left;width:100%;color:var(--ln-ink);border-left:3px solid #0000;align-items:flex-start;gap:12px;padding:10px 18px;font-size:14.5px;line-height:1.4;text-decoration:none;display:flex}.ln-side__lesson:hover{background:var(--ln-cream)}.ln-side__lesson[aria-current=page]{border-left-color:var(--ln-ink);background:#fff;font-weight:600}.ln-side__lesson[data-locked=true]{color:var(--ln-muted)}.ln-side__lesson small{color:var(--ln-muted);margin-top:2px;font-size:12.5px;font-weight:400;display:block}.ln-check{background:#fff;border:1.5px solid #cfc9bc;border-radius:50%;flex-shrink:0;place-items:center;width:20px;height:20px;margin-top:1px;display:grid}.ln-check[data-done=true]{background:var(--ln-green);border-color:var(--ln-green);color:#fff}.ln-main{min-width:0;padding-bottom:80px}.ln-stage{background:var(--ln-stage)}.ln-stage__in{max-width:1280px;margin:0 auto}.ln-lesson-head{padding:28px 0 8px}.ln-lesson-foot{border-top:1px solid var(--ln-hairline);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:40px;padding-top:24px;display:flex}.ln-player__drawer-btn{display:none}@media (width<=1000px){.ln-player{grid-template-columns:1fr}.ln-side{z-index:40;width:min(360px,88vw);max-height:none;display:none;position:fixed;inset:56px auto 0 0;box-shadow:0 0 0 9999px #00000059}.ln-side[data-open=true]{display:block}.ln-player__drawer-btn{display:grid}.ln-player__pct .ln-progress{display:none}}.ln-video{aspect-ratio:16/9;color:#fff;background:#000;outline:none;width:100%;max-height:calc(100vh - 140px);position:relative;overflow:hidden}.ln-video video{object-fit:contain;background:#000;width:100%;height:100%;display:block}.ln-video__big{width:76px;height:76px;color:var(--ln-ink);cursor:pointer;background:#fffffff2;border:0;border-radius:50%;place-items:center;margin:auto;transition:transform .15s;display:grid;position:absolute;inset:0;box-shadow:0 12px 40px #00000073}.ln-video__big:hover{transform:scale(1.06)}.ln-video__bar{background:linear-gradient(#0000,#000000c7);gap:8px;padding:28px 16px 12px;transition:opacity .25s;display:grid;position:absolute;bottom:0;left:0;right:0}.ln-video[data-idle=true] .ln-video__bar{opacity:0}.ln-video[data-idle=true]{cursor:none}.ln-video__row{align-items:center;gap:6px;display:flex}.ln-video__row .ln-iconbtn{color:#fff}.ln-video__time{font:500 13px/1 var(--ln-mono);color:#ffffffd9;white-space:nowrap;margin:0 6px}.ln-scrub{cursor:pointer;touch-action:none;height:18px;position:relative}.ln-scrub__track{background:#ffffff40;border-radius:4px;height:4px;position:absolute;top:7px;left:0;right:0;overflow:hidden}.ln-scrub__buf{background:#ffffff59;position:absolute;top:0;bottom:0;left:0}.ln-scrub__fill{background:#fff;position:absolute;top:0;bottom:0;left:0}.ln-scrub__seen{background:var(--ln-gold);opacity:.55;position:absolute;top:0;bottom:0}.ln-scrub__knob{background:#fff;border-radius:50%;width:14px;height:14px;margin-left:-7px;transition:transform .12s;position:absolute;top:2px;transform:scale(0);box-shadow:0 0 0 4px #fff3}.ln-scrub:hover .ln-scrub__knob,.ln-scrub:focus-visible .ln-scrub__knob{transform:scale(1)}.ln-scrub:hover .ln-scrub__track{height:6px;top:6px}.ln-scrub__tip{color:#fff;font:500 12px/1 var(--ln-mono);pointer-events:none;background:#000000d9;border-radius:4px;padding:5px 7px;position:absolute;bottom:22px;transform:translate(-50%)}.ln-speed{color:#fff;font:500 13px/1 var(--ln-sans);cursor:pointer;background:0 0;border:1px solid #ffffff4d;border-radius:6px;padding:5px 8px}.ln-speed option{color:#111}.ln-video__overlay{text-align:center;background:#0d0c0be6;place-items:center;padding:20px;display:grid;position:absolute;inset:0}.ln-video__overlay .ln-h2{color:#fff}.ln-ring{width:64px;height:64px}.ln-ring circle{fill:none;stroke-width:4px}.ln-yt{aspect-ratio:16/9;width:100%;max-height:calc(100vh - 140px);position:relative}.ln-yt iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.ln-novideo{aspect-ratio:16/9;color:#ffffffb3;text-align:center;place-items:center;padding:24px;display:grid}.ln-blocks{color:var(--ln-ink-2);font-size:17px;line-height:1.7}.ln-blocks>*+*{margin-top:16px}.ln-blocks h2{font:700 26px/1.25 var(--ln-sans);color:var(--ln-ink);margin-top:36px}.ln-blocks h3{font:600 21px/1.3 var(--ln-sans);color:var(--ln-ink);margin-top:28px}.ln-blocks h4{font:600 18px/1.35 var(--ln-sans);color:var(--ln-ink);margin-top:24px}.ln-blocks p{margin:0}.ln-blocks ul,.ln-blocks ol{margin:0;padding-left:24px}.ln-blocks li+li{margin-top:6px}.ln-blocks blockquote{border-left:3px solid var(--ln-ink);color:var(--ln-ink);margin:0;padding:4px 0 4px 18px;font-size:19px}.ln-blocks pre{border:1px solid var(--ln-hairline);font:14px/1.6 var(--ln-mono);background:#f6f4ef;border-radius:8px;padding:14px 16px;overflow-x:auto}.ln-blocks code{font-family:var(--ln-mono);background:#f3f0e9;border-radius:4px;padding:1px 5px;font-size:.9em}.ln-blocks pre code{background:0 0;padding:0}.ln-blocks hr{border:0;border-top:1px solid var(--ln-hairline);margin:28px 0}.ln-blocks figure{margin:24px 0}.ln-blocks figure img{border-radius:8px;max-width:100%;height:auto;display:block}.ln-blocks figcaption{color:var(--ln-muted);margin-top:8px;font-size:14px}.ln-blocks table{border-collapse:collapse;width:100%;font-size:15px}.ln-blocks td,.ln-blocks th{border:1px solid var(--ln-hairline);text-align:left;vertical-align:top;padding:8px 10px}.ln-blocks .ln-table-wrap{overflow-x:auto}.ln-callout{background:var(--ln-paper-alt);border:1px solid var(--ln-hairline);border-radius:8px;gap:12px;padding:14px 16px;display:flex}.ln-callout--warn{background:var(--ln-gold-soft);border-color:#ead7ad}.ln-callout--success{background:var(--ln-green-soft);border-color:#c4e2cf}.ln-todo{align-items:flex-start;gap:10px;display:flex}.ln-todo i{border:1.5px solid #bdb6a8;border-radius:4px;flex-shrink:0;place-items:center;width:18px;height:18px;margin-top:4px;display:grid}.ln-todo[data-checked=true] i{background:var(--ln-ink);border-color:var(--ln-ink);color:#fff}.ln-files{gap:10px;margin-top:12px;display:grid}.ln-file{border:1px solid var(--ln-hairline);background:#fff;border-radius:8px;align-items:center;gap:12px;padding:12px 14px;text-decoration:none;display:flex}.ln-file:hover{border-color:var(--ln-ink)}.ln-quiz{gap:20px;display:grid}.ln-q{border:1px solid var(--ln-hairline);background:#fff;border-radius:10px;padding:20px}.ln-q[data-result=right]{background:#fbfefc;border-color:#b9dcc6}.ln-q[data-result=wrong]{background:#fffaf9;border-color:#ebc2b8}.ln-q legend{font:600 17px/1.4 var(--ln-sans);margin-bottom:14px;padding:0}.ln-q fieldset{border:0;margin:0;padding:0}.ln-opt{border:1px solid var(--ln-hairline);cursor:pointer;border-radius:8px;align-items:flex-start;gap:12px;padding:12px 14px;font-size:15.5px;transition:border-color .12s,background .12s;display:flex}.ln-opt+.ln-opt{margin-top:8px}.ln-opt:hover{border-color:#bdb6a8}.ln-opt input{accent-color:var(--ln-ink);width:16px;height:16px;margin-top:4px}.ln-opt[data-picked=true]{border-color:var(--ln-ink);background:var(--ln-paper-alt)}.ln-opt[data-correct=true]{border-color:var(--ln-green);background:var(--ln-green-soft)}.ln-opt[data-wrong=true]{border-color:var(--ln-red);background:var(--ln-red-soft)}.ln-q__why{color:var(--ln-body);margin-top:12px;font-size:14.5px}.ln-score{border-radius:10px;align-items:center;gap:18px;padding:20px;display:flex}.ln-score--pass{background:var(--ln-green-soft)}.ln-score--fail{background:var(--ln-gold-soft)}.ln-score b{font:700 36px/1 var(--ln-sans)}.ln-gate{text-align:center;border:1px solid var(--ln-hairline);background:#fff;border-radius:12px;justify-items:center;gap:14px;max-width:560px;margin:64px auto;padding:36px 28px;display:grid}.ln-field{color:var(--ln-body);text-align:left;gap:6px;font-size:14px;display:grid}.ln-input{border-radius:var(--ln-radius);width:100%;min-height:46px;font:400 16px/1 var(--ln-sans);color:var(--ln-ink);background:#fff;border:1px solid #d6d0c4;padding:0 14px}.ln-input:focus{border-color:var(--ln-ink);outline:none;box-shadow:0 0 0 3px #11111114}.ln-dialog-back{z-index:60;background:#11111173;place-items:center;padding:16px;animation:.15s ln-fade;display:grid;position:fixed;inset:0}.ln-dialog{background:#fff;border-radius:14px;gap:16px;width:min(440px,100%);padding:28px;animation:.18s ln-rise;display:grid;position:relative;box-shadow:0 30px 80px -20px #00000073}.ln-dialog__x{position:absolute;top:12px;right:12px}.ln-toast{z-index:70;background:var(--ln-ink);color:#fff;text-align:center;border-radius:999px;max-width:calc(100% - 32px);padding:12px 18px;font-size:14.5px;font-weight:500;animation:.2s ln-rise;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 12px 30px #0000004d}.ln-error{color:var(--ln-red);font-size:14px}@keyframes ln-fade{0%{opacity:0}to{opacity:1}}@keyframes ln-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.ln-dialog .ln-toast,.ln-toast{animation-name:ln-rise}.ln-panel{border:1px solid var(--ln-hairline);background:#fff;border-radius:12px;padding:24px}.ln-rows{gap:14px;display:grid}.ln-row{border:1px solid var(--ln-hairline);border-radius:10px;grid-template-columns:120px minmax(0,1fr) auto;align-items:center;gap:18px;padding:12px;text-decoration:none;display:grid}.ln-row:hover{background:var(--ln-paper-alt);border-color:#cfc9bc}.ln-row .ln-cover{border-radius:6px}@media (width<=640px){.ln-row{grid-template-columns:1fr}}.ln-table{border-collapse:collapse;width:100%;font-size:14.5px}.ln-table th{text-align:left;font:600 11px/1 var(--ln-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--ln-muted);border-bottom:1px solid var(--ln-hairline);padding:10px 8px}.ln-table td{border-bottom:1px solid var(--ln-hairline);font-variant-numeric:tabular-nums;padding:12px 8px}.ln-cert-page{background:var(--ln-paper-alt);min-height:calc(100vh - 64px);padding:40px 0 64px}.ln-cert{aspect-ratio:1.414;background:#fff radial-gradient(#e7e1d4 1px,#0000 1.2px) 0 0/22px 22px;border-radius:4px;grid-template-rows:auto 1fr auto;width:min(960px,100%);margin:0 auto;padding:clamp(24px,5vw,64px);display:grid;position:relative;box-shadow:0 30px 70px -30px #11111159}.ln-cert:before{content:"";pointer-events:none;border:1.5px solid #cbbd99;position:absolute;inset:14px}.ln-cert__top{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.ln-cert__top img{width:auto;height:clamp(34px,5vw,48px)}.ln-cert__mid{text-align:center;align-content:center;justify-items:center;gap:clamp(6px,1.2vw,14px);display:grid}.ln-cert__name{font:700 clamp(28px, 5vw, 56px)/1.05 var(--ln-sans);letter-spacing:-.01em;border-bottom:1.5px solid #cbbd99;padding:0 24px 8px}.ln-cert__course{font-family:var(--ln-display);text-transform:uppercase;max-width:18ch;font-size:clamp(22px,4vw,46px);font-weight:900;line-height:.95}.ln-cert__foot{color:var(--ln-body);justify-content:space-between;align-items:flex-end;gap:16px;font-size:clamp(11px,1.2vw,13px);display:flex}.ln-cert__foot b{color:var(--ln-ink);font-size:clamp(13px,1.4vw,16px);display:block}.ln-cert-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px;display:flex}@media print{.ln-header,.ln-footer,.ln-cert-actions,.ln-cert-note{display:none!important}.ln-cert-page{background:#fff;padding:0}.ln-cert{box-shadow:none;width:100%}@page{size:landscape;margin:0}}.ln-skel{background:linear-gradient(90deg,#f1eee7 25%,#f8f6f1 37%,#f1eee7 63%) 0 0/400% 100%;border-radius:8px;animation:1.4s infinite ln-shimmer}@keyframes ln-shimmer{0%{background-position:100%}to{background-position:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}