.guides-page .container{max-width:1240px}.guides-page .header-inner nav{gap:24px}.guides-page [aria-current=page]{color:var(--blue);font-weight:900}.guide-hero{display:grid;grid-template-columns:1fr 320px;gap:80px;align-items:center;padding:70px 0 66px}.guide-hero h1{font-size:clamp(44px,5.7vw,76px);line-height:1.09;letter-spacing:-2px;margin:18px 0 23px}.guide-hero h1 span{color:var(--blue)}.guide-intro{max-width:680px;font-size:20px;line-height:1.65;color:var(--muted)}.guide-links{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:28px}.premium-jump{font-weight:900;font-size:15px}.hero-note{position:relative;transform:rotate(3deg);background:#ffd43b;border-radius:12px 50px 12px 12px;padding:32px 38px;box-shadow:10px 12px 0 #e0eaff}.note-star{position:absolute;top:-38px;right:8px;font-size:72px;color:var(--blue)}.note-label{font-size:13px;letter-spacing:2px;font-weight:900}.hero-note strong{display:block;font-size:39px;font-weight:900;line-height:1.22;margin:22px 0}.note-bottom{display:flex;border-top:1px solid #15366a44;padding-top:14px;justify-content:space-between;font-weight:700}.section-top{display:flex;align-items:end;justify-content:space-between;gap:24px}.section-top h2{font-size:34px;line-height:1.2;margin-top:7px}.video-meta{display:flex;gap:8px;flex-wrap:wrap}.video-meta span{background:white;border:1px solid var(--line);padding:6px 12px;border-radius:100px;font-weight:700;font-size:12px}.section-lead{color:var(--muted);margin:17px 0 24px}.tutorial-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px}.main-player{min-width:0;align-self:start;border-radius:22px;overflow:hidden;background:#15366a}.main-player video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#102e5b}.player-note{display:flex;gap:15px;align-items:center;padding:16px 22px;color:#edf4ff;font-size:13px}.player-note>span{color:#ffd43b}.playback-status{color:white;padding:0 22px}.playback-status:not(:empty){padding-bottom:16px}.chapters{background:white;border:1px solid var(--line);border-radius:22px;overflow:hidden}.chapters-heading{padding:18px 20px 14px;border-bottom:1px solid var(--line)}.chapters-heading h3{font-size:16px;font-weight:900}.chapters-heading>span{font-size:10px;font-weight:900;letter-spacing:1px;color:var(--muted)}.chapters ol{margin:0;padding:7px;list-style:none;max-height:352px;overflow-y:auto;scrollbar-color:#adbfda #f2f7ff}.chapters button{background:transparent;color:var(--ink);width:100%;border:0;display:grid;grid-template-columns:33px minmax(0,1fr) 38px;gap:7px;align-items:center;text-align:left;border-radius:12px;padding:10px 9px;cursor:pointer;font:700 12px/1.4 Nunito,system-ui}.chapters button:hover{background:#f2f7ff}.chapters button[aria-current=true]{background:#eaf1ff;color:#125ecc}.chapter-num{color:#6c809f;font-size:11px}.chapter-time{color:#61789b;font-variant-numeric:tabular-nums;font-size:11px}.chapters button[aria-current=true] .chapter-num{background:#ffd43b;color:var(--ink);border-radius:50%;height:25px;width:25px;display:grid;place-items:center}.guides-page button:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}.under-player{display:flex;gap:30px;justify-content:space-between;margin:17px 0 25px;color:var(--muted);font-size:12px}.under-player a{white-space:nowrap;font-weight:900;color:var(--blue)}.transcript{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.transcript summary{cursor:pointer;list-style:none;padding:22px 0;display:flex;justify-content:space-between;gap:20px;font-weight:900}.transcript summary::-webkit-details-marker{display:none}.transcript[open] summary>span:last-child{transform:rotate(45deg)}.transcript-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 45px;padding:8px 0 35px}.transcript article h3{font-size:18px;margin-bottom:7px}.transcript article p{font-size:15px;color:var(--muted)}.transcript article a{display:inline-block;margin-top:9px;font-size:13px;color:var(--blue);font-weight:900}.premium-section{margin:80px 0;display:grid;grid-template-columns:1fr 305px;gap:100px;padding:52px 68px;background:#e6efff;border-radius:38px;align-items:center}.premium-copy h2{font-size:clamp(34px,4vw,54px);line-height:1.13;letter-spacing:-1px;margin:12px 0 20px}.plus{color:var(--blue)}.premium-description{font-size:18px;color:var(--muted);max-width:580px}.premium-features{list-style:none;margin:24px 0;padding:0;display:grid;gap:11px;font-weight:700}.premium-features li:before{content:'✓';display:inline-grid;place-items:center;border-radius:50%;width:23px;height:23px;margin-right:12px;color:#1b694f;background:#c4efdf}.premium-tip{font-size:14px;color:var(--muted);margin:22px 0}.premium-player{width:100%;position:relative}.premium-player video{display:block;width:100%;height:auto;aspect-ratio:9/16;border-radius:22px;background:#15366a;box-shadow:0 16px 32px #15366a22}.premium-runtime{display:block;text-align:center;margin:14px 0 0;font-size:12px;color:var(--muted);font-weight:700}.help-strip{display:flex;align-items:center;justify-content:space-between;gap:38px;background:white;border:1px solid var(--line);border-radius:24px;padding:28px 32px}.help-strip h2{font-size:22px;margin-bottom:8px}.help-strip p{max-width:720px;font-size:14px;color:var(--muted)}.help-strip .button{flex-shrink:0;font-size:14px}.production-note{margin:24px 0 55px;color:var(--muted);font-size:12px}.nav-guides{font-weight:900}
@media(max-width:1000px){.guide-hero{grid-template-columns:1fr 250px;gap:30px}.hero-note{padding:26px}.hero-note strong{font-size:33px}.section-top{align-items:start;flex-direction:column;gap:14px}.tutorial-layout{grid-template-columns:minmax(0,1fr) 280px}.chapters ol{max-height:285px}.premium-section{gap:40px;padding:40px;grid-template-columns:1fr 270px}.help-strip{align-items:start;flex-direction:column;gap:20px}}
@media(max-width:720px){.guides-page .header-inner{gap:12px}.guides-page .header-inner nav{gap:13px;font-size:13px}.guides-page .header-inner .brand img{width:115px}.guides-page .nav-download{display:none}.guide-hero{grid-template-columns:1fr;gap:0;padding:36px 0 42px}.hero-note{display:none}.guide-hero h1{letter-spacing:-1px;font-size:49px}.guide-intro{font-size:17px}.guide-links{gap:20px}.tutorial-layout{grid-template-columns:1fr}.chapters ol{max-height:278px}.chapters button{font-size:14px;padding:12px 10px;grid-template-columns:33px 1fr 45px}.chapter-time{font-size:12px}.section-top h2{font-size:28px}.video-meta span{font-size:11px}.under-player{flex-direction:column;gap:9px}.transcript-grid{grid-template-columns:1fr;gap:23px}.transcript summary{font-size:14px}.premium-section{margin:45px 0;grid-template-columns:1fr;padding:28px 23px;gap:30px;border-radius:24px}.premium-player{max-width:300px;margin:auto}.premium-description{font-size:16px}.premium-features{font-size:14px}.help-strip{padding:24px}.production-note{margin-bottom:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.child-join-section{scroll-margin-top:24px;margin-bottom:64px}.child-join-player{max-width:1080px;margin-inline:auto}.join-play-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;padding:18px 22px;color:#edf4ff;font-size:14px}.join-play-actions .button{cursor:pointer;font:inherit;font-weight:900}.join-play-actions [hidden]{display:none}@media(max-width:720px){.join-play-actions{padding:16px;gap:14px}.join-play-actions .button{width:100%;justify-content:center}.child-join-section{margin-bottom:45px}}