.cd{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;min-height:100vh;container-type:inline-size;-webkit-font-smoothing:antialiased;--accent-tint:color-mix(in oklab,var(--accent) 24%,var(--bg));--duo-wash:color-mix(in oklab,var(--accent) 9%,var(--bg));--ease-out:cubic-bezier(0.2,0.7,0.2,1);--dur-1:140ms;--dur-2:260ms;--dur-3:560ms;--shade:color-mix(in oklab,#000 86%,var(--accent));--elev-1:0 1px 2px color-mix(in oklab,var(--shade) 7%,transparent),0 4px 12px -4px color-mix(in oklab,var(--shade) 9%,transparent);--elev-2:0 2px 4px color-mix(in oklab,var(--shade) 6%,transparent),0 16px 32px -14px color-mix(in oklab,var(--shade) 22%,transparent);--elev-3:0 4px 10px color-mix(in oklab,var(--shade) 8%,transparent),0 32px 60px -24px color-mix(in oklab,var(--shade) 32%,transparent);--step--1:14px;--step-0:16px;--step-1:clamp(18px,0.4cqw + 16.5px,21px);--step-2:clamp(22px,1cqw + 18px,28px);--step-3:clamp(28px,2.2cqw + 20px,42px);--step-4:clamp(36px,4cqw + 22px,64px);--step-5:clamp(46px,11cqw,104px);--section-space:clamp(56px,7cqw,104px)}.cd .display{font-family:var(--font-display);font-weight:400;letter-spacing:-.018em;line-height:1.04;font-optical-sizing:auto;text-wrap:balance}.cd .eyebrow{font-family:var(--font-body);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-text)}.cd .lead{font-size:var(--step-1);line-height:1.55;color:var(--ink-2);text-wrap:pretty}.cd .meta{font-size:12.5px;letter-spacing:.04em;color:var(--faint);font-variant-numeric:tabular-nums}.cd .btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;font-size:15px;cursor:pointer;border:none;border-radius:var(--radius-pill);padding:13px 24px;transition:transform var(--dur-2) var(--ease-out),box-shadow var(--dur-2) var(--ease-out),background-color var(--dur-1) ease,border-color var(--dur-1) ease,color var(--dur-1) ease}.cd .btn:hover{transform:translateY(-1px)}.cd .btn:not(.btn-bead):active:not(:disabled){transform:translateY(0) scale(.97);transition-duration:90ms}.cd .btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:var(--elev-1)}.cd .btn-primary:hover{box-shadow:var(--elev-2);background:var(--accent-hover)}.cd .btn-ghost{background:var(--accent-tint);color:var(--accent-on-tint);border:1px solid transparent}.cd .btn-ghost:hover{border-color:var(--accent-tint-line);box-shadow:var(--elev-1)}.cd .btn-quiet{background:transparent;color:var(--muted);padding:10px 4px}.cd .btn-reverse{background:var(--on-accent);color:var(--accent)}.cd .btn-reverse:hover{background:var(--surface)}.cd .btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.cd .btn[aria-busy=true]{opacity:1;cursor:progress}.cd .btn[aria-busy=true]:after{content:"";width:14px;height:14px;border-radius:var(--radius-pill);border:2px solid;border-right:2px solid transparent;animation:btn-spin .7s linear infinite}@keyframes btn-spin{to{transform:rotate(1turn)}}.cd [tabindex]:focus-visible,.cd a:focus-visible,.cd button:focus-visible,.cd input:focus-visible,.cd textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.cd .pl-stage :focus-visible{outline-color:#fff;box-shadow:0 0 0 4px rgba(0,0,0,.5)}.cd .badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:var(--radius-pill)}.cd .badge-public{background:var(--surface-2);color:var(--ink-2)}.cd .badge-members{background:var(--accent);color:var(--on-accent)}.cd .badge-soft{background:transparent;border:1px solid var(--line);color:var(--muted)}.cd .slot{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:linear-gradient(150deg,var(--slot-1),var(--slot-2))}.cd .slot.tone-light{background:linear-gradient(150deg,var(--slot-light),var(--slot-1))}.cd .slot.tone-accent{background:linear-gradient(155deg,var(--accent),var(--slot-2))}.cd .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--elev-1)}.cd .wrap{max-width:1180px;margin:0 auto;padding:0 var(--pad)}.cd .icon-btn{display:grid;place-items:center;width:38px;height:38px;flex:none;background:transparent;color:var(--ink);cursor:pointer}.cd .icon-btn,.cd .lang-seg{border-radius:var(--radius-pill);border:1px solid var(--line)}.cd .lang-seg{display:inline-flex;gap:2px;padding:2px}.cd .lang-seg-onmedia{border-color:rgba(255,255,255,.5)}.cd .lang-btn{font:inherit;font-size:.72rem;font-weight:700;line-height:1;padding:5px 8px;border-radius:var(--radius-pill);border:none;cursor:pointer;background:transparent;color:inherit}.cd .lang-btn[aria-pressed=true]{background:var(--accent);color:var(--accent-ink,#fff)}.cd .nav{gap:28px;padding:22px 0}.cd .brand,.cd .nav{display:flex;align-items:center}.cd .brand{gap:12px}.cd .brandmark{width:var(--brandmark-size,34px);height:var(--brandmark-size,34px);border-radius:var(--radius);display:grid;place-items:center;background:var(--accent);color:var(--on-accent);font-family:var(--font-display);font-size:calc(var(--brandmark-size, 34px) * .53);overflow:hidden}.cd .brandmark svg{width:64%;height:64%}.cd .brandmark:has(svg),.cd img.brandmark{background:transparent;color:inherit;border-radius:0;overflow:visible}.cd .brandmark:has(svg) svg{width:100%;height:100%;fill:currentColor}.cd .brandname{font-size:15px;font-weight:700;letter-spacing:.2em;text-transform:uppercase}.cd .nav-links{display:flex;gap:22px;margin-left:8px}.cd .nav-links a{color:var(--muted);text-decoration:none;font-size:14px;transition:color .15s ease}.cd .nav-links a:hover{color:var(--ink)}.cd .nav-links a[aria-current=page]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:6px}.cd .nav .sp{flex:1}.cd .nav-burger{display:none}.cd .sechead{display:flex;align-items:flex-end;gap:16px;margin-bottom:clamp(20px,2.4cqw,30px)}.cd .sechead h2{font-family:var(--font-display);font-weight:400;font-size:var(--step-3);letter-spacing:-.018em;line-height:1.08;text-wrap:balance;margin:0}.cd .sechead-eyebrow{margin:0 0 8px}.cd .sechead .sp{flex:1}.cd .sechead>.meta{padding-bottom:6px}.cd .poster{position:relative;cursor:pointer}.cd .card-hit{all:unset;cursor:pointer}.cd .card-hit:after{content:"";position:absolute;inset:0;z-index:3}.cd .card-hit:focus-visible{outline:none}.cd :is(.poster,.index-row,.continue-strip):has(.card-hit:focus-visible){outline:2px solid var(--accent);outline-offset:4px;border-radius:var(--radius-lg)}.cd .poster .slot{box-shadow:var(--elev-1);transition:transform var(--dur-2) var(--ease-out),box-shadow var(--dur-2) var(--ease-out)}.cd .poster:hover .slot{transform:translateY(-4px);box-shadow:var(--elev-3)}.cd .poster .slot>img{transition:transform var(--dur-3) var(--ease-out)}.cd .poster:hover .slot>img{transform:scale(1.04)}.cd .poster .slot:has(>img)>.slot-badge{background:color-mix(in oklab,var(--surface) 92%,transparent);color:var(--accent-text);backdrop-filter:blur(6px)}.cd .poster-meta{display:flex;align-items:center;gap:8px;margin-top:12px}.cd .poster-title{font-family:var(--font-display);font-weight:400;font-size:22px;margin:6px 0 2px}.cd .poster-progress{margin:4px 0 6px;height:4px;width:100%;border-radius:var(--radius-pill);background:var(--line);overflow:hidden}.cd .poster-progress-fill{display:block;height:100%;background:var(--accent);transition:width .3s ease}.cd .lock{position:absolute;top:12px;right:12px;display:grid;place-items:center;width:30px;height:30px;border-radius:var(--radius-pill);background:var(--overlay);color:#fff}.cd .slot-badge{position:absolute;top:12px;left:12px}.cd .cover-empty{position:absolute;inset:0;display:grid;place-items:center;overflow:hidden;background:linear-gradient(155deg,var(--accent-tint) 0,var(--surface-2) 46%,var(--accent-tint-line) 100%)}.cd .poster-sheet.is-empty .poster-sheet-title{color:var(--ink);text-shadow:none}.cd .poster-sheet.is-empty .poster-empty-body{padding-bottom:56px}.cd .footer{display:grid;grid-template-columns:minmax(0,2fr) repeat(2,minmax(0,1fr));gap:32px clamp(24px,4cqw,64px);align-items:start;margin-top:var(--section-space);margin-bottom:24px;padding:clamp(28px,3.6cqw,48px);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);color:var(--muted)}.cd .footer .brand{display:flex;align-items:center;gap:10px}.cd .footer .brandname{color:var(--ink)}.cd .footer-tagline{margin:14px 0 0;max-width:36ch;font-size:14px;line-height:1.5;color:var(--muted)}.cd .footer-col{display:grid;gap:10px;justify-items:start}.cd .footer-heading{margin:0 0 4px;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}.cd .footer a{color:var(--muted);text-decoration:none;font-size:14px;transition:color var(--dur-1) ease}.cd .footer a:hover{color:var(--ink)}.cd .footer-base{grid-column:1/-1;margin:0;padding-top:20px;border-top:1px solid var(--line)}.cd .poster-empty{position:relative;overflow:hidden;aspect-ratio:2/3;border-radius:clamp(16px,1.8cqw,24px);display:grid;place-items:center;background:linear-gradient(155deg,var(--accent-tint) 0,var(--surface-2) 46%,var(--accent-tint-line) 100%);border:1px solid var(--line);transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s ease}.cd .poster-portrait:hover .poster-empty{transform:translateY(-6px);border-color:var(--accent-tint-line)}.cd .poster-empty-glow,.cd .poster-empty-ring{position:absolute;aspect-ratio:1;border-radius:var(--radius-pill);pointer-events:none}.cd .poster-empty-glow{width:58%;background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--accent) 22%,transparent),color-mix(in srgb,var(--accent) 4%,transparent) 70%);filter:blur(2px)}.cd .poster-empty-ring{width:42%;border:1px solid color-mix(in srgb,var(--accent) 22%,transparent)}.cd .poster-empty-ring.motion-pulse{width:64%;border-color:color-mix(in srgb,var(--accent) 16%,transparent)}.cd .poster-empty-body{position:relative;z-index:1;display:grid;justify-items:center;gap:14px;padding:24px;text-align:center}.cd .poster-empty-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:var(--radius-pill);background:var(--surface);color:var(--accent-on-tint);box-shadow:0 8px 22px -10px color-mix(in srgb,var(--accent) 60%,transparent)}.cd .poster-empty-title{font-family:var(--font-display);font-size:19px;line-height:1.2;color:var(--ink)}.cd .poster-empty-note{font-size:12.5px;line-height:1.5;color:var(--ink-2);max-width:22ch}.cd .pull-quote{margin:0 0 14px;padding:22px 26px;border-radius:20px;background:var(--accent-tint);font-family:var(--font-display);font-size:clamp(18px,2cqw,23px);line-height:1.42;color:var(--accent-on-tint);text-wrap:pretty}.cd .course-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:center;min-height:clamp(360px,38cqw,480px);margin:24px 0 0;border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--elev-1);overflow:hidden;isolation:isolate}.cd .course-hero-media{grid-column:2;grid-row:1;align-self:stretch;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 34%);mask-image:linear-gradient(90deg,transparent 0,#000 34%)}.cd .course-hero-media .slot{position:absolute;inset:0;border-radius:0}.cd .course-hero-copy{grid-column:1;grid-row:1;position:relative;z-index:1;padding:clamp(28px,4cqw,56px)}.cd .course-title{font-size:var(--step-4);margin:10px 0 14px}.cd .course-lead{max-width:52ch;margin:0 0 16px}.cd .dot-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.cd .dot-row .cp-dot{width:3px;height:3px;border-radius:50%;background:var(--faint)}.cd .action-row{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 0}.cd .course-progress{display:flex;align-items:center;gap:12px;margin-top:22px}.cd .progress-ring{position:relative;display:inline-grid;place-items:center;width:48px;height:48px;flex:none}.cd .progress-ring svg{position:absolute;inset:0;transform:rotate(-90deg)}.cd .progress-ring circle{fill:none;stroke-width:4}.cd .progress-ring-track{stroke:var(--line)}.cd .progress-ring-fill{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset var(--dur-3) var(--ease-out)}.cd .progress-ring-count{font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--ink)}.cd .up-next{margin-top:28px}.cd .up-next-label{margin:0 0 10px}.cd .up-next .lesson{background:var(--accent-tint);border-color:transparent}.cd .up-next .lesson-dur,.cd .up-next .lesson-kicker,.cd .up-next .lesson-status{color:var(--accent-on-tint)}.cd .course-lessons{margin-top:var(--section-space)}.cd .lesson-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.cd .lesson{position:relative;display:grid;grid-template-columns:36px 132px minmax(0,1fr) auto;align-items:center;gap:18px;padding:12px 18px 12px 12px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);transition:transform var(--dur-2) var(--ease-out),box-shadow var(--dur-2) var(--ease-out),border-color var(--dur-1) ease}.cd .lesson:hover{transform:translateY(-2px);box-shadow:var(--elev-2);border-color:transparent}.cd .lesson.current,.cd .lesson.playing{border-color:var(--accent-tint-line);box-shadow:inset 3px 0 0 var(--accent)}.cd .lesson-hit{all:unset;cursor:pointer}.cd .lesson-hit:after{content:"";position:absolute;inset:0;border-radius:inherit}.cd .lesson-hit:focus-visible{outline:none}.cd .lesson:has(.lesson-hit:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.cd .lesson-ind{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;font-family:var(--font-display);font-size:15px;color:var(--faint);font-variant-numeric:tabular-nums;background:var(--surface-2)}.cd .lesson-ind.done{background:var(--accent);color:var(--on-accent)}.cd .lesson-ind.playing{background:var(--accent-tint);color:var(--accent-on-tint)}.cd .lesson.locked .lesson-ind{background:transparent;border:1px solid var(--line);color:var(--muted)}.cd .lesson-thumb{border-radius:var(--radius);overflow:hidden}.cd .lesson.locked .lesson-thumb img{opacity:.55;filter:saturate(.6)}.cd .lesson-body{display:grid;gap:2px;min-width:0}.cd .lesson-kicker{font-size:12px;letter-spacing:.06em;color:var(--faint)}.cd .lesson-title{font-family:var(--font-display);font-size:var(--step-1);line-height:1.25;color:var(--ink)}.cd .lesson-status{font-size:13px;color:var(--muted)}.cd .lesson-status.is-locked{color:var(--accent-text);font-weight:600}.cd .lesson-dur{font-variant-numeric:tabular-nums;color:var(--faint);font-size:13px;white-space:nowrap}.cd .lesson-progress{margin-top:8px;height:3px;width:100%;max-width:240px;border-radius:var(--radius-pill);background:var(--line);overflow:hidden}.cd .lesson-progress-fill{display:block;height:100%;background:var(--accent)}.cd .lesson.compact{grid-template-columns:28px 88px minmax(0,1fr);gap:12px;padding:8px 10px 8px 8px}.cd .lesson.compact .lesson-ind{width:26px;height:26px;font-size:13px}.cd .lesson.compact .lesson-title{font-family:var(--font-body);font-size:14px;font-weight:600}.cd .lesson.compact .lesson-kicker{display:none}.cd .lesson.compact:hover{transform:none}.cd .pl-stage{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--radius-lg);overflow:hidden;color:#fff}.cd .pl-video{position:absolute;inset:0;background:linear-gradient(150deg,var(--slot-2),#000)}.cd video.pl-video{width:100%;height:100%;object-fit:cover;background:#000}.cd .qa-dock{position:fixed;left:16px;bottom:16px;z-index:30;pointer-events:none;display:flex;align-items:center;gap:10px;padding:8px 10px 8px 14px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:0 8px 30px var(--overlay)}.cd .qa-dock button{pointer-events:auto}.cd .qa-title{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--accent-text)}.cd .qa-stat{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.cd .pl-scrim{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.55) 0,transparent 32%,transparent 70%,rgba(0,0,0,.4))}.cd .pl-top{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:12px;padding:18px 20px}.cd .pl-top .sp{flex:1}.cd .pl-counter{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-variant-numeric:tabular-nums;opacity:.85}.cd .pl-center{position:absolute;inset:0;display:grid;place-items:center}.cd .pl-error{position:absolute;inset:0;z-index:3;display:grid;place-content:center;justify-items:center;gap:10px;padding:24px;text-align:center;background:rgba(0,0,0,.68);pointer-events:none}.cd .pl-error>button{pointer-events:auto}.cd .pl-error-title{font-size:16px;font-weight:650;color:#fff}.cd .pl-error-hint{font-size:13px;max-width:34ch;color:rgba(255,255,255,.86)}.cd .pl-bigplay{width:88px;height:88px;border-radius:50%;border:none;cursor:pointer;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);box-shadow:0 18px 50px rgba(0,0,0,.45)}.cd .pl-bottom{position:absolute;left:0;right:0;bottom:0;padding:16px 20px 18px;display:flex;flex-direction:column;gap:12px}.cd .pl-scrub{position:relative;height:4px;border-radius:var(--radius-pill);background:rgba(255,255,255,.25);cursor:pointer;touch-action:none}.cd .pl-scrub:before{content:"";position:absolute;inset:-9px 0}.cd .pl-buffer{width:0;background:rgba(255,255,255,.35)}.cd .pl-buffer,.cd .pl-played{position:absolute;top:0;left:0;bottom:0;border-radius:inherit}.cd .pl-played{background:var(--accent-media)}.cd .pl-knob{position:absolute;top:50%;width:13px;height:13px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);pointer-events:none;transition:transform .12s ease}.cd .pl-scrub.is-dragging .pl-knob,.cd .pl-scrub:hover .pl-knob{transform:translate(-50%,-50%) scale(1.25)}.cd .pl-controls{display:flex;align-items:center;gap:14px}.cd .pl-controls .sp{flex:1}.cd .pl-ic{background:transparent;border:none;color:#fff;cursor:pointer;display:grid;place-items:center;opacity:.92}.cd .pl-ic:disabled{opacity:.32;cursor:not-allowed}.cd .pl-ic[aria-pressed=true]{color:var(--accent-media);opacity:1}.cd .pl-scrub:focus-visible{outline:none}.cd .pl-scrub:focus-visible .pl-knob{box-shadow:0 0 0 4px rgba(255,255,255,.5)}.cd .pl-play{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.14);backdrop-filter:blur(6px)}.cd .pl-time{font-size:12.5px;font-variant-numeric:tabular-nums}.cd .pl-time .dim{opacity:.55}.cd .pl-chip{font-size:11px;letter-spacing:.06em;padding:3px 8px;border:1px solid rgba(255,255,255,.4);border-radius:var(--radius-pill)}.cd .pl-chip-btn{font-family:inherit;background:transparent;color:#fff;cursor:pointer}.cd .pl-settings-btn{display:inline-flex;align-items:center;gap:6px;padding-left:6px}.cd .pl-settings{position:relative;display:flex;align-items:center;gap:14px}.cd .pl-menu{position:absolute;right:0;bottom:calc(100% + 12px);z-index:3;min-width:216px;display:grid;gap:6px;padding:10px;background:#0b0b0d;border:1px solid rgba(255,255,255,.18);border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.5);color:#fff}.cd .pl-menu-h{margin:4px 4px 0;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.72)}.cd .pl-menu-row{display:flex;flex-wrap:wrap;gap:6px}.cd .pl-menu-note{margin:0 4px 4px;font-size:12px;color:rgba(255,255,255,.72)}.cd .pl-opt{font:inherit;font-size:12.5px;padding:5px 10px;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-pill);background:transparent;color:#fff;cursor:pointer}.cd .pl-opt[aria-pressed=true]{background:#fff;border-color:transparent;color:#0b0b0d}.cd .pl-understage{display:flex;align-items:center;flex-wrap:wrap;gap:16px;padding:22px 0 8px}.cd .pl-understage .sp{flex:1}.cd .pl-understage .nav-btns{display:flex;flex-wrap:wrap;gap:10px}.cd .pl-understage .nav-btns .btn{flex:0 0 auto}.cd .player-page{padding-top:12px;padding-bottom:48px}.cd .player-layout{display:grid;grid-template-columns:minmax(0,1fr) clamp(280px,27cqw,360px);gap:clamp(20px,2.4cqw,32px);align-items:start}.cd .player-main{min-width:0}.cd .lesson-rail{position:sticky;top:16px;display:flex;flex-direction:column;max-height:calc(100vh - 32px);border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--elev-1);overflow:hidden}.cd .lesson-rail-head{padding:18px 18px 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.duo-hero{--duo-inset:clamp(20px,4.4cqw,64px);position:relative;overflow:hidden;height:clamp(560px,59.7cqw,860px);color:#fff}.cd .duo-hero:before{inset:0;background:linear-gradient(104deg,rgba(0,0,0,.66),rgba(0,0,0,.34) 58%,rgba(0,0,0,.16)),linear-gradient(0deg,rgba(0,0,0,.6) 0,rgba(0,0,0,.18) 26%,transparent 46%)}.cd .duo-hero:after,.cd .duo-hero:before{content:"";position:absolute;z-index:1;pointer-events:none}.cd .duo-hero:after{inset:auto 0 0;height:7%;background:linear-gradient(to top,var(--duo-wash),transparent)}.cd .duo-hero+*{position:relative;isolation:isolate;margin-top:0!important;padding-top:clamp(32px,3.3cqw,48px)}.cd .duo-hero+:before{content:"";position:absolute;top:0;left:calc(50% - 50cqw);z-index:-1;width:100cqw;height:clamp(260px,32cqw,460px);background:linear-gradient(to bottom,var(--duo-wash),transparent);pointer-events:none}.cd .duo-hero-photo{position:absolute;inset:0;border-radius:0}.cd .duo-hero-body{position:relative;z-index:2;padding:clamp(40px,8.3cqw,120px) 0 0 var(--duo-inset)}.cd .nav-overlaid .duo-hero-body{padding-top:calc(82px + clamp(40px, 8.3cqw, 120px))}.cd .duo-eyebrow{color:color-mix(in oklab,var(--accent) 35%,#fff);font-size:13px;letter-spacing:.14em;margin:0}.cd .duo-title{font-size:min(clamp(44px,13.2cqw,190px),calc((100cqw - 2 * var(--duo-inset)) / (var(--duo-ch, 12) * .47)));line-height:.86;margin:14px 0 0;white-space:nowrap;color:#fff}.cd .duo-hero-foot{position:absolute;left:var(--duo-inset);right:var(--duo-inset);bottom:var(--duo-inset);z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.cd .duo-hero-foot .cta-row{margin-top:0}.cd .duo-hero-foot .btn-quiet{color:#fff}.cd .duo-hero-copy{max-width:340px;margin:0;text-align:right;font-size:15px;line-height:1.6;color:rgba(255,255,255,.88)}.cd .collage-hero{position:relative;display:grid;grid-template-columns:minmax(0,420px) 1fr;gap:clamp(24px,3.3cqw,48px);align-items:center;padding:clamp(32px,5cqw,72px) 0 clamp(80px,11cqw,158px)}.cd .collage-copy{position:relative;z-index:2}.cd .collage-title{font-size:clamp(38px,5.3cqw,76px);line-height:1;margin:18px 0 26px}.cd .collage-copy .lead{font-size:16px;margin:0}.cd .collage-stack{position:relative;aspect-ratio:76/70;min-width:0}.cd .collage-wash{position:absolute;inset:-6% -4% 0 -10%;background:radial-gradient(ellipse at 60% 40%,var(--accent-tint) 0,transparent 70%)}.cd .collage-photo{position:absolute;border-radius:2px;box-shadow:0 30px 60px color-mix(in srgb,var(--ink) 20%,transparent)}.cd .collage-back{top:-2.9%;right:0;width:55.3%;aspect-ratio:3/4;transform:rotate(3deg)}.cd .collage-front{top:22.9%;right:36.3%;width:44.7%;aspect-ratio:17/22;transform:rotate(-6deg);box-shadow:0 30px 70px color-mix(in srgb,var(--ink) 28%,transparent)}.cd .collage-front .photo-tint-wash{opacity:.55}.cd .collage-chip{top:85.7%;right:65.3%;width:25%;aspect-ratio:1;transform:rotate(-4deg);border:6px solid var(--bg);box-shadow:0 20px 40px color-mix(in srgb,var(--ink) 20%,transparent)}.cd .spread-row{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}.cd .spread-photo{position:relative;overflow:hidden;border-radius:0;min-height:clamp(240px,26.4cqw,380px)}.cd .spread-panel{background:var(--accent-tint);padding:clamp(28px,4.8cqw,56px);display:flex;flex-direction:column;justify-content:center}.cd .spread-eyebrow{color:var(--accent-2);font-size:12px;letter-spacing:.1em;margin:0 0 10px}.cd .spread-title{font-size:clamp(24px,2.2cqw,32px);margin:0 0 14px;color:var(--ink)}.cd .spread-body{font-size:16px;line-height:1.5;color:var(--ink-2);margin:0}.cd .spread-panel .cta-row{margin-top:24px}.cd .tinted-row{display:grid;grid-template-columns:44% 1fr;gap:clamp(24px,3.3cqw,48px);align-items:center}.cd .tinted-photo{position:relative;overflow:hidden;border-radius:2px;min-height:clamp(220px,23.6cqw,340px)}.cd .sheet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--bg)}.cd .poster-sheet .slot{border-radius:0;height:clamp(280px,30.5cqw,440px)}.cd .poster-sheet .slot,.cd .poster-sheet:hover .slot{transform:none;box-shadow:none}.cd .poster-sheet .slot img{transition:transform .18s ease}.cd .poster-sheet:hover .slot img{transform:scale(1.03)}.cd .poster-sheet .photo-tint-wash{opacity:.4}.cd .poster-sheet-title{position:absolute;left:24px;right:24px;bottom:20px;z-index:2;margin:0;font-family:var(--font-body);font-size:19px;font-weight:600;line-height:1.3;color:var(--on-accent)}.cd .masonry-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:clamp(16px,1.9cqw,28px);align-items:start}.cd .poster-print .slot{border-radius:2px;height:clamp(260px,36.1cqw,520px)}.cd .poster-print .photo-tint-wash{opacity:.35}.cd .poster-print .poster-title{font-family:var(--font-body);font-weight:600;font-size:18px;margin:20px 0 4px}.cd .masonry-grid>:nth-child(3n+1) .poster-title{font-size:20px}.cd .masonry-grid>:nth-child(3n+2){margin-top:80px}.cd .masonry-grid>:nth-child(3n+2) .slot{height:clamp(200px,20.8cqw,300px)}.cd .masonry-grid>:nth-child(3n+3) .slot{height:clamp(220px,27.8cqw,400px)}.cd .bento-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:clamp(150px,17cqw,230px);grid-auto-flow:dense;gap:var(--gap)}.cd .bento-grid>:nth-child(6n+1){grid-column:span 2;grid-row:span 2}.cd .bento-grid>:nth-child(6n+2),.cd .bento-grid>:nth-child(6n+3):last-child,.cd .bento-grid>:nth-child(6n+5){grid-column:span 2}.cd .poster-tile,.cd .poster-tile .slot{height:100%}.cd .poster-tile .slot{border-radius:var(--radius-lg)}.cd .poster-tile .photo-tint-scrim{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.72),transparent 58%);pointer-events:none}.cd .poster-tile-copy{position:absolute;left:0;right:0;bottom:0;z-index:2;display:grid;gap:4px;padding:clamp(14px,1.8cqw,22px);color:#fff}.cd .poster-tile-title{margin:0;font-family:var(--font-display);font-weight:600;font-size:clamp(17px,1.2cqw + 12px,26px);line-height:1.15}.cd .bento-grid>:nth-child(6n+1) .poster-tile-title{font-size:clamp(22px,2.4cqw + 10px,40px)}.cd .poster-tile-meta{font-size:13px;color:rgba(255,255,255,.86)}.cd .poster-tile.is-empty .poster-tile-copy{color:var(--ink)}.cd .poster-tile.is-empty .poster-tile-meta{color:var(--ink-2)}.cd .poster-tile.is-empty .poster-empty-title{display:none}.cd .poster-tile.is-empty .poster-empty-body{padding-bottom:72px}.cd .poster-tile:hover .slot{transform:none}.cd .marquee{position:relative;margin-top:var(--section-space);overflow:hidden;background:var(--accent);color:var(--on-accent)}.cd .marquee-track{display:flex;width:max-content;animation:marquee-slide 36s linear infinite}.cd .marquee[data-paused] .marquee-track{animation-play-state:paused}.cd .marquee-run{display:flex;flex:none;margin:0;padding:clamp(14px,1.8cqw,24px) 0;list-style:none}.cd .marquee-run li{display:flex;align-items:center;font-family:var(--font-display);font-size:var(--step-4);line-height:1;white-space:nowrap}.cd .marquee-run li:after{content:"";width:.28em;height:.28em;margin:0 .7em;border-radius:50%;background:currentColor}.cd .marquee-toggle{position:absolute;right:12px;bottom:10px;padding:4px 10px;border:1px solid;border-radius:var(--radius-pill);background:var(--accent);color:inherit;font:600 12px/1.4 var(--font-body);cursor:pointer}@keyframes marquee-slide{to{transform:translateX(-50%)}}.cd[data-motion=off] .marquee-track{width:auto;animation:none}.cd[data-motion=off] .marquee-run{flex-wrap:wrap;justify-content:center;row-gap:8px;padding-inline:var(--pad)}.cd[data-motion=off] .marquee-run:nth-child(2),.cd[data-motion=off] .marquee-toggle{display:none}@media (prefers-reduced-motion:reduce){.cd .marquee-track{width:auto;animation:none}.cd .marquee-run{flex-wrap:wrap;justify-content:center;row-gap:8px;padding-inline:var(--pad)}.cd .marquee-run:nth-child(2),.cd .marquee-toggle{display:none}}@container (max-width: 760px){.cd .bento-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:clamp(150px,44cqw,220px)}.cd .bento-grid>:nth-child(6n+2),.cd .bento-grid>:nth-child(6n+5){grid-column:span 2}.cd .nav,.cd .wrap{--pad:20px}.cd .footer{grid-template-columns:repeat(2,minmax(0,1fr))}.cd .footer-brand{grid-column:1/-1}.cd .hero{grid-template-columns:1fr;gap:28px}.cd .duo-hero{height:auto;min-height:520px;padding-bottom:var(--duo-inset)}.cd .duo-title{white-space:normal;font-size:clamp(38px,11cqw,64px)}.cd .duo-hero-foot{position:relative;inset:auto;flex-direction:column;align-items:flex-start;margin:40px var(--duo-inset) 0}.cd .duo-hero-copy{text-align:left}.cd .collage-hero{grid-template-columns:1fr;gap:40px}.cd .collage-stack{aspect-ratio:1}.cd .collage-chip{top:78%}.cd .spread-row,.cd .tinted-row{grid-template-columns:1fr}.cd .masonry-grid,.cd .sheet-grid{grid-template-columns:repeat(2,1fr)}.cd .masonry-grid>:nth-child(3n+2){margin-top:0}.cd .masonry-grid>:nth-child(3n+2) .slot,.cd .masonry-grid>:nth-child(3n+3) .slot,.cd .poster-print .slot{height:clamp(200px,42cqw,300px)}.cd .free-row{grid-template-columns:1fr;gap:24px}.cd .poster-wall{grid-template-columns:repeat(2,1fr)}.cd .poster-wall .span-2{grid-column:span 2}.cd .cine-hero{grid-template-columns:1fr;gap:28px}.cd .index-row{grid-template-columns:auto 1fr auto;gap:16px}.cd .index-arrow,.cd .index-thumb{display:none}.cd .poster-grid{grid-template-columns:repeat(2,1fr)}.cd .nav-links{display:none}.cd .nav[data-menu=open] .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:2px;position:absolute;top:calc(100% - 6px);left:var(--pad);right:var(--pad);z-index:40;margin:0;padding:8px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);box-shadow:0 24px 48px -24px color-mix(in oklab,var(--shade) 70%,transparent)}.cd .nav[data-menu=open] .nav-links a{color:var(--ink);padding:13px 14px;border-radius:calc(var(--radius) - 4px)}.cd .nav[data-menu=open] .nav-links a[aria-current=page]{background:var(--accent-tint);text-decoration:none}.cd .nav-burger{display:grid}.cd .nav{gap:14px;padding-inline:var(--pad)}.cd .nav:not(.nav-float):not(.nav-onmedia){position:relative}.cd .brand{min-width:0}.cd .nav .btn,.cd .nav .lang-seg{flex:none}.cd .brandname{font-size:13px;letter-spacing:.12em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cd .course-hero{grid-template-columns:1fr;min-height:0}.cd .course-hero-media{grid-column:1;grid-row:1;aspect-ratio:16/10;-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent);mask-image:linear-gradient(180deg,#000 55%,transparent)}.cd .course-hero-copy{grid-row:2;padding-top:0}.cd .lesson{grid-template-columns:32px minmax(0,1fr) auto;gap:12px}.cd .lesson-thumb{display:none}.cd .lesson.compact{grid-template-columns:28px minmax(0,1fr) auto}.cd .pl-hide-sm{display:none}.cd .cat-search{min-width:100%}.cd .seg{width:100%}.cd .seg-btn{flex:1;text-align:center}.cd .pl-bottom,.cd .pl-top{padding-left:14px;padding-right:14px}.cd .pl-controls{gap:10px}.cd .pl-bigplay{width:64px;height:64px}.cd .pl-time{font-size:11.5px}.cd .pl-understage{flex-direction:column;align-items:stretch;gap:16px}.cd .pl-understage .sp{display:none}.cd .pl-understage .nav-btns{width:100%}.cd .pl-understage .nav-btns .btn{flex:1;justify-content:center}}@container (max-width: 1024px){.cd .player-layout{grid-template-columns:minmax(0,1fr)}.cd .lesson-rail{position:static;max-height:none}}@container (max-width: 440px){.cd .nav{gap:8px;padding-block:14px}.cd .brand{gap:10px}.cd .gate-card,.cd .modal-card{padding:22px}.cd .brandname{font-size:12px;letter-spacing:.06em}.cd .brandmark:has(svg)+.brandname,.cd img.brandmark+.brandname{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.cd .nav .btn{white-space:nowrap;font-size:14px;padding:11px 16px}.cd .nav .icon-btn{width:40px;height:40px}.cd .pl-ic{min-width:40px;min-height:40px}.cd .pl-controls{gap:8px}.cd .pl-understage .nav-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px}.cd .pl-understage .nav-btns .btn{white-space:nowrap;padding:13px 16px;font-size:14px}.cd .pl-understage .nav-btns .btn-quiet{grid-column:1/-1;grid-row:2;justify-content:center;white-space:normal;text-align:center;padding:12px 16px}}@keyframes reveal-drift{0%{opacity:0;transform:translateY(34px)}to{opacity:1;transform:none}}@keyframes photo-settle{0%{transform:scale(1.09)}to{transform:scale(1)}}@keyframes breathe{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-7px) rotate(1.5deg)}}@keyframes ring-pulse{0%,to{opacity:.35;transform:scale(1)}50%{opacity:.6;transform:scale(1.06)}}@keyframes bead-glide{0%{opacity:.5;transform:translateX(-26%) scaleX(.82)}40%{opacity:1}to{opacity:.72;transform:translateX(14%) scaleX(1.12)}}@keyframes bead-glide-head{0%{opacity:.45;transform:translateX(-30%) scale(.8)}45%{opacity:1}to{opacity:.8;transform:translateX(16%) scale(1.15)}}.cd[data-revealing] [data-reveal]{opacity:0}.cd[data-revealing] [data-reveal][data-revealed]{animation:reveal-drift .82s cubic-bezier(.2,.7,.2,1) both}.cd .motion-settle img{animation:photo-settle 2.6s cubic-bezier(.16,.84,.28,1) both}.cd .motion-breathe{animation:breathe 7s ease-in-out infinite}.cd .motion-pulse{animation:ring-pulse 4.5s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.cd[data-revealing] [data-reveal],.cd[data-revealing] [data-reveal][data-revealed]{opacity:1;animation:none}.cd .btn-bead:after,.cd .btn-bead:before,.cd .motion-breathe,.cd .motion-pulse,.cd .motion-settle img{animation:none}.cd .btn-bead{transition:none}.cd .btn-bead:hover{transform:none}}