:root{
  color-scheme:dark;
  --ink:#07090e;
  --ink-2:#0b0f17;
  --ink-3:#101621;
  --panel:#121a27;
  --panel-2:#172130;
  --line:#273246;
  --line-soft:#1b2432;
  --text:#f7f9fd;
  --muted:#9ba8bb;
  --muted-strong:#cbd3df;
  --accent:#4453ff;
  --accent-bright:#7480ff;
  --cyan:#27cfc1;
  --coral:#ff7d73;
  --success:#2fd492;
  --shell:min(1280px,calc(100% - 64px));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px;background:var(--ink)}
body{
  min-width:320px;
  margin:0;
  overflow-x:hidden;
  background:var(--ink);
  color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.58;
  letter-spacing:0;
}
button,input{font:inherit}
button,a{touch-action:manipulation}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{color:inherit}
code{padding:2px 6px;border:1px solid #313e54;border-radius:4px;background:#0a1019;color:#aab5ff;font-family:"SFMono-Regular",Consolas,monospace;font-size:.9em}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:3px solid var(--accent-bright);outline-offset:3px}
.tutorial-shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;z-index:1000;left:16px;top:12px;padding:10px 14px;background:#fff;color:#000;transform:translateY(-150%)}
.skip-link:focus{transform:none}
.reading-progress{position:fixed;z-index:300;inset:0 0 auto;height:3px;background:transparent}
.reading-progress span{display:block;width:0;height:100%;background:var(--accent-bright)}

.tutorial-header{
  position:fixed;z-index:200;inset:0 0 auto;
  border-bottom:1px solid transparent;
  background:rgba(7,9,14,.78);
  backdrop-filter:blur(20px) saturate(130%);
  transition:background .2s,border-color .2s;
}
.tutorial-header.is-scrolled{border-color:rgba(255,255,255,.08);background:rgba(7,9,14,.96)}
.header-inner{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:inline-flex;align-items:center;gap:13px;font-size:22px;font-weight:850;white-space:nowrap}
.brand-wave{display:flex;align-items:center;gap:3px;height:37px;color:var(--accent-bright)}
.brand-wave i{width:4px;height:18px;border-radius:3px;background:currentColor}
.brand-wave i:nth-child(2),.brand-wave i:nth-child(4){height:29px}
.brand-wave i:nth-child(3){height:37px}
.tutorial-nav{display:flex;align-items:center;gap:28px;margin-left:auto;color:#bac4d3;font-size:13px;font-weight:700}
.tutorial-nav a{transition:color .2s}
.tutorial-nav a:hover,.tutorial-nav a[aria-current="page"]{color:#fff}
.header-app-link{
  min-height:42px;display:inline-flex;align-items:center;gap:9px;padding:0 16px;
  border:1px solid #3b4660;border-radius:7px;background:#111722;font-size:13px;font-weight:780;
}
.header-app-link:hover{border-color:var(--accent-bright);background:#171e2c}
.menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:7px;background:var(--ink-3);padding:10px}
.menu-button span{display:block;width:20px;height:2px;margin:4px auto;background:#fff}

.button{
  min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:0 21px;border:1px solid transparent;border-radius:7px;
  font-size:14px;font-weight:800;transition:transform .2s,border-color .2s,background .2s,box-shadow .2s;
}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--accent);color:#fff;box-shadow:0 14px 36px rgba(68,83,255,.27)}
.button-primary:hover{background:#5866ff;box-shadow:0 18px 44px rgba(68,83,255,.34)}
.button-secondary{border-color:#3b465a;background:#101722;color:#fff}
.button-secondary:hover{border-color:#67738a;background:#171f2c}
.eyebrow{margin:0 0 15px;color:var(--accent-bright);font-size:11px;font-weight:850;letter-spacing:.13em;text-transform:uppercase}
.eyebrow span{display:inline-block;width:24px;height:2px;margin:0 10px 3px 0;background:currentColor}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:0}

.tutorial-hero{position:relative;min-height:760px;height:92vh;max-height:920px;display:flex;align-items:center;overflow:hidden}
.tutorial-hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% center}
.tutorial-hero-cover{position:absolute;inset:0;background:rgba(3,7,16,.71)}
.tutorial-hero-inner{position:relative;z-index:2}
.tutorial-hero-copy{max-width:760px;padding-top:56px}
.tutorial-hero h1{margin:0 0 25px;font-size:clamp(62px,7.2vw,102px);line-height:.96;font-weight:840}
.tutorial-hero h1 em{color:#9ba4ff;font-style:normal}
.tutorial-hero-copy>p:not(.eyebrow){max-width:690px;margin:0;color:#d1d8e4;font-size:19px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;max-width:760px;margin:54px 0 0;padding:1px;background:rgba(255,255,255,.17);list-style:none}
.hero-facts li{min-height:92px;padding:18px 20px;background:rgba(5,9,17,.82)}
.hero-facts strong,.hero-facts span{display:block}
.hero-facts strong{font-size:14px}
.hero-facts span{margin-top:4px;color:#9faabc;font-size:12px}
.hero-scroll{position:absolute;z-index:2;left:50%;bottom:25px;display:flex;align-items:center;gap:10px;color:#aeb8c7;font-size:11px;font-weight:750;transform:translateX(-50%)}

.requirements{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:#0a0e15}
.requirements-inner{display:grid;grid-template-columns:minmax(250px,.72fr) minmax(0,1.7fr);gap:64px;padding-block:64px}
.requirements h2{max-width:370px;margin:0;font-size:42px;line-height:1.08}
.requirement-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:0;padding:1px;background:var(--line);list-style:none}
.requirement-list li{display:flex;gap:15px;min-height:160px;padding:24px;background:var(--ink-3)}
.requirement-list>li>span{color:var(--accent-bright);font-family:"SFMono-Regular",Consolas,monospace;font-size:11px;font-weight:800}
.requirement-list strong{display:block;margin-bottom:7px;font-size:15px}
.requirement-list p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}

.guide-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:70px;padding-block:96px 120px}
.guide-index{position:sticky;top:100px;align-self:start;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#0d131e}
.guide-index-head{display:flex;align-items:center;justify-content:space-between;padding:18px 19px;border-bottom:1px solid var(--line)}
.guide-index-head span{font-size:13px;font-weight:800}
.guide-index-head strong{padding:4px 7px;border-radius:4px;background:#1c2640;color:#9da7ff;font-size:9px;text-transform:uppercase}
.guide-index nav{display:grid;padding:8px}
.guide-index nav a{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 11px;border-left:2px solid transparent;color:#9eabbd;font-size:12px;font-weight:700;transition:color .2s,background .2s,border-color .2s}
.guide-index nav a span{font-family:"SFMono-Regular",Consolas,monospace;color:#657186;font-size:10px}
.guide-index nav a:hover,.guide-index nav a.is-active{border-left-color:var(--accent-bright);background:#141c2a;color:#fff}
.guide-index nav a.is-active span{color:var(--accent-bright)}
.guide-help{padding:18px 19px;border-top:1px solid var(--line);background:#111925}
.guide-help strong{font-size:12px}
.guide-help p{margin:5px 0 0;color:var(--muted);font-size:11px;line-height:1.5}
.guide-content{min-width:0}
.guide-intro{max-width:850px;padding-bottom:72px;border-bottom:1px solid var(--line)}
.guide-intro h2{margin:0 0 22px;font-size:54px;line-height:1.04}
.guide-intro>p:not(.eyebrow){max-width:760px;margin:0;color:var(--muted-strong);font-size:17px;line-height:1.75}

.guide-step{padding:86px 0;border-bottom:1px solid var(--line)}
.step-heading{display:grid;grid-template-columns:64px minmax(0,1fr);gap:24px;margin-bottom:38px}
.step-number{width:64px;height:64px;display:grid;place-items:center;border:1px solid #3b4770;border-radius:7px;background:#10182a;color:var(--accent-bright);font-family:"SFMono-Regular",Consolas,monospace;font-size:16px;font-weight:850}
.step-kicker{margin:0 0 8px;color:var(--accent-bright);font-size:10px;font-weight:850;letter-spacing:.13em;text-transform:uppercase}
.step-heading h2{max-width:830px;margin:0 0 15px;font-size:43px;line-height:1.08}
.step-heading div>p:last-child{max-width:820px;margin:0;color:var(--muted-strong);font-size:16px;line-height:1.72}
.instruction-list{display:grid;gap:1px;margin:0 0 34px;padding:1px;background:var(--line)}
.instruction-list>div{display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px;align-items:start;padding:17px 20px;background:#0c121c}
.instruction-list>div>span{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#1b2541;color:#aab2ff;font-size:11px;font-weight:850}
.instruction-list p{margin:2px 0 0;color:#c5cedb;font-size:14px}
.instruction-list a{color:#aab3ff;text-decoration:underline;text-underline-offset:3px}
.info-note,.warning-note,.error-guide,.success-note{margin:0 0 34px;border:1px solid var(--line);border-left:3px solid var(--accent-bright);padding:19px 21px;background:#101722}
.info-note strong,.warning-note strong,.error-guide>strong,.success-note strong{display:block;margin-bottom:4px;font-size:13px}
.info-note p,.warning-note p,.success-note p{margin:0;color:var(--muted);font-size:12px}
.warning-note{border-left-color:var(--coral)}

.step-visual{margin:0}
.step-visual>button,.advanced-grid article>button{
  position:relative;width:100%;display:block;overflow:hidden;padding:0;border:1px solid #344157;border-radius:8px;background:#0a1019;cursor:zoom-in;
  box-shadow:0 28px 75px rgba(0,0,0,.32);transition:border-color .2s,transform .2s;
}
.step-visual>button:hover,.advanced-grid article>button:hover{border-color:#6977aa;transform:translateY(-2px)}
.step-visual img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain}
.step-visual figcaption{margin-top:12px;color:#7f8b9d;font-size:11px}
.image-marker{position:absolute;display:flex;align-items:center;gap:8px;filter:drop-shadow(0 5px 12px rgba(0,0,0,.65))}
.image-marker b{width:30px;height:30px;display:grid;place-items:center;border:2px solid #fff;border-radius:50%;background:var(--accent);color:#fff;font-size:11px}
.image-marker em{padding:6px 9px;border:1px solid rgba(255,255,255,.2);border-radius:5px;background:rgba(5,9,16,.92);color:#fff;font-size:10px;font-style:normal;font-weight:800;white-space:nowrap}
.marker-logo{top:2.5%;left:2.2%}
.marker-import{top:44.5%;left:50%}
.marker-playlist{top:60%;left:19%}
.marker-micro{top:16%;right:2.8%}
.marker-broadcast{top:52%;right:2.5%}
.marker-start{top:54%;right:2.5%}
.marker-on-air{bottom:2.2%;left:1.8%}

.level-guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-bottom:34px;padding:1px;background:var(--line)}
.level-guide>div{min-height:150px;padding:20px;background:#0c121c}
.level-guide>div.recommended{background:#111b25;box-shadow:inset 0 3px 0 var(--success)}
.level-guide span,.level-guide strong{display:block}
.level-guide span{color:#8f9bae;font-size:10px;font-weight:800;text-transform:uppercase}
.level-guide strong{margin:10px 0 7px;font-size:18px}
.level-guide p{margin:0;color:var(--muted);font-size:11px}
.server-choice{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}
.server-choice article{padding:23px;border:1px solid var(--line);border-radius:8px;background:#0d141f}
.server-choice article:first-child{border-top-color:var(--cyan)}
.server-choice article:last-child{border-top-color:var(--coral)}
.server-choice span{color:#8f9bae;font-size:10px;font-weight:850;text-transform:uppercase}
.server-choice h3{margin:9px 0 9px;font-size:21px}
.server-choice p{margin:0;color:var(--muted);font-size:12px}
.configuration-example{margin-bottom:28px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#0b111a}
.configuration-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line);background:#111925}
.configuration-heading span,.configuration-heading strong{display:block}
.configuration-heading div span{color:var(--accent-bright);font-size:9px;font-weight:850;text-transform:uppercase}
.configuration-heading div strong{margin-top:4px;font-size:14px}
.configuration-safe{padding:5px 8px;border-radius:4px;background:rgba(47,212,146,.1);color:var(--success);font-size:9px;font-weight:850;text-transform:uppercase}
.configuration-example dl{display:grid;grid-template-columns:1fr 1fr;margin:0}
.configuration-example dl div{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:13px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.configuration-example dl div:nth-child(2n){border-right:0}
.configuration-example dt{color:#8390a3;font-size:11px}
.configuration-example dd{margin:0;color:#e8ecf3;font-size:12px;font-weight:700;text-align:right}
.error-guide{border-left-color:var(--coral)}
.error-guide ul{display:grid;gap:7px;margin:10px 0 0;padding:0;list-style:none}
.error-guide li{color:var(--muted);font-size:12px}
.error-guide b{color:#dce2eb}
.launch-checklist{display:grid;gap:1px;margin:0 0 34px;padding:1px;background:var(--line);list-style:none}
.launch-checklist li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;padding:17px 20px;background:#0d141f}
.launch-checklist>li>span{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:rgba(47,212,146,.12);color:var(--success);font-size:13px;font-weight:900}
.launch-checklist strong{font-size:13px}
.launch-checklist p{margin:3px 0 0;color:var(--muted);font-size:11px}
.direct-sequence{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:center;margin-bottom:32px}
.direct-sequence>div{min-height:170px;padding:21px;border:1px solid var(--line);border-radius:8px;background:#0d141f}
.direct-sequence>div>span{width:28px;height:28px;display:grid;place-items:center;margin-bottom:20px;border-radius:5px;background:#1b2541;color:#aab2ff;font-size:11px;font-weight:850}
.direct-sequence strong{display:block;font-size:14px}
.direct-sequence p{margin:7px 0 0;color:var(--muted);font-size:11px}
.direct-sequence>i{color:#58657b;font-style:normal}
.success-note{display:flex;gap:15px;align-items:center;margin-top:34px;margin-bottom:0;border-left-color:var(--success)}
.success-note>span{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:50%;background:rgba(47,212,146,.12);color:var(--success);font-size:18px;font-weight:900}

.remote-use-cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:46px}
.remote-use-card{position:relative;min-height:225px;padding:24px;border:1px solid var(--line);border-radius:8px;background:#0d141f;overflow:hidden}
.remote-use-card::before{content:"";position:absolute;inset:0 auto auto;width:100%;height:3px;background:var(--accent-bright)}
.remote-use-card.remote-use-screen::before{background:var(--cyan)}
.remote-use-card.remote-use-listen::before{background:var(--coral)}
.remote-use-card>span{display:block;color:#8f9bae;font-size:9px;font-weight:850;text-transform:uppercase}
.remote-use-card h3{margin:20px 0 9px;font-size:23px}
.remote-use-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.remote-use-card strong{position:absolute;left:24px;bottom:21px;color:#cbd3df;font-size:10px;text-transform:uppercase}
.remote-chapter{margin-top:48px;padding-top:42px;border-top:1px solid var(--line)}
.remote-chapter-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.78fr);column-gap:42px;align-items:end;margin-bottom:26px}
.remote-chapter-heading>span{grid-column:1/-1;margin-bottom:9px;color:var(--accent-bright);font-size:9px;font-weight:850;text-transform:uppercase}
.remote-chapter-heading h3{margin:0;font-size:31px;line-height:1.12}
.remote-chapter-heading p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.remote-primary-visual{margin-top:4px}
.marker-remote-link{top:58%;left:55%}
.remote-visual-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}
.remote-visual-grid .step-visual>button{box-shadow:0 22px 55px rgba(0,0,0,.28)}
.remote-visual-grid .step-visual img{aspect-ratio:16/9;object-fit:contain;background:#080d15}
.remote-security-note{display:flex;gap:15px;align-items:flex-start;margin-top:34px;padding:20px 21px;border:1px solid var(--line);border-left:3px solid var(--cyan);background:#0e1820}
.remote-security-note>span{width:32px;height:32px;display:grid;place-items:center;flex:none;border-radius:50%;background:rgba(39,207,193,.12);color:var(--cyan);font-size:13px;font-weight:900}
.remote-security-note strong{display:block;margin-bottom:4px;font-size:13px}
.remote-security-note p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}

.advanced-tools{padding:110px 0;border-top:1px solid var(--line-soft);background:#0a0e15}
.advanced-tools header{display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:80px;align-items:end;margin-bottom:44px}
.advanced-tools header h2{max-width:720px;margin:0;font-size:52px;line-height:1.05}
.advanced-tools header>p:last-child{margin:0;color:var(--muted);font-size:14px}
.advanced-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.advanced-grid article{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#101722}
.advanced-grid article>button{border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none}
.advanced-grid article img{width:100%;aspect-ratio:16/9;object-fit:contain;background:#080d15}
.advanced-grid article>div{padding:23px}
.advanced-grid article>div>span{color:var(--accent-bright);font-size:9px;font-weight:850;text-transform:uppercase}
.advanced-grid h3{margin:8px 0 8px;font-size:23px}
.advanced-grid p{margin:0;color:var(--muted);font-size:12px}

.troubleshooting{padding:110px 0;border-top:1px solid var(--line);background:#0d131d}
.troubleshooting-layout{display:grid;grid-template-columns:minmax(280px,.75fr) minmax(0,1.25fr);gap:90px}
.troubleshooting h2{margin:0 0 20px;font-size:48px;line-height:1.06}
.troubleshooting-layout>div:first-child>p:not(.eyebrow){margin:0 0 28px;color:var(--muted-strong);font-size:14px}
.troubleshooting-list{border-top:1px solid var(--line)}
.troubleshooting-list details{border-bottom:1px solid var(--line)}
.troubleshooting-list summary{position:relative;padding:21px 48px 21px 0;cursor:pointer;font-size:14px;font-weight:780;list-style:none}
.troubleshooting-list summary::-webkit-details-marker{display:none}
.troubleshooting-list summary::after{content:"+";position:absolute;right:8px;top:17px;color:var(--accent-bright);font-size:22px;font-weight:400}
.troubleshooting-list details[open] summary::after{content:"−"}
.troubleshooting-list details p{margin:-4px 45px 22px 0;color:var(--muted);font-size:12px;line-height:1.65}
.troubleshooting-list details a{color:#aab3ff;text-decoration:underline;text-underline-offset:3px}

.tutorial-cta{padding:84px 0;border-top:1px solid #33406c;background:#11182a}
.tutorial-cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:50px;align-items:center}
.tutorial-cta h2{max-width:800px;margin:0 0 12px;font-size:47px;line-height:1.05}
.tutorial-cta p:not(.eyebrow){margin:0;color:#aeb8c7;font-size:14px}
.tutorial-footer{padding:64px 0 24px;border-top:1px solid var(--line);background:#07090e}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:58px}
.footer-grid>div>p{max-width:300px;margin:17px 0 0;color:#7f8a9b;font-size:12px}
.footer-grid nav{display:grid;align-content:start;gap:9px}
.footer-grid nav strong{margin-bottom:6px;color:#dfe4ec;font-size:11px;text-transform:uppercase}
.footer-grid nav a{color:#8591a3;font-size:11px}
.footer-grid nav a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;margin-top:48px;padding-top:21px;border-top:1px solid var(--line-soft);color:#626e80;font-size:10px}

.tutorial-lightbox{width:min(1480px,calc(100% - 40px));max-width:none;padding:0;border:1px solid #3a465a;border-radius:8px;background:#070b12;color:#fff;box-shadow:0 40px 120px rgba(0,0,0,.75)}
.tutorial-lightbox::backdrop{background:rgba(2,4,9,.9);backdrop-filter:blur(8px)}
.tutorial-lightbox>button{position:absolute;z-index:2;top:12px;right:12px;width:42px;height:42px;border:1px solid #445069;border-radius:50%;background:#0d141f;color:#fff;font-size:25px;cursor:pointer}
.tutorial-lightbox figure{margin:0;padding:60px 18px 18px}
.tutorial-lightbox img{width:100%;max-height:80vh;object-fit:contain}
.tutorial-lightbox figcaption{padding:13px 4px 0;color:#9da9ba;font-size:11px}

@media (max-width:1080px){
  :root{--shell:min(100% - 40px,960px)}
  .tutorial-nav{gap:18px}
  .guide-layout{grid-template-columns:210px minmax(0,1fr);gap:42px}
  .requirement-list{grid-template-columns:1fr}
  .requirement-list li{min-height:0}
  .requirements-inner{grid-template-columns:300px minmax(0,1fr)}
  .advanced-tools header{grid-template-columns:1fr;gap:20px}
  .troubleshooting-layout{gap:55px}
}

@media (max-width:820px){
  :root{--shell:calc(100% - 32px)}
  html{scroll-padding-top:88px}
  .header-inner{height:68px;gap:12px}
  .brand{font-size:19px}
  .brand-wave{height:32px}
  .tutorial-nav{
    position:absolute;inset:68px 0 auto;display:none;align-items:stretch;gap:0;margin:0;padding:12px 16px 18px;
    border-bottom:1px solid var(--line);background:#080c13;
  }
  .tutorial-nav.open{display:grid}
  .tutorial-nav a{padding:13px 8px;border-bottom:1px solid var(--line-soft)}
  .menu-button{display:block;margin-left:auto}
  .header-app-link{display:none}
  .tutorial-hero{height:auto;min-height:720px;max-height:none;padding:124px 0 92px}
  .tutorial-hero-image{object-position:58% center}
  .tutorial-hero h1{font-size:clamp(51px,14vw,76px)}
  .tutorial-hero-copy>p:not(.eyebrow){font-size:16px}
  .hero-facts{grid-template-columns:1fr;margin-top:38px}
  .hero-facts li{min-height:0}
  .hero-scroll{display:none}
  .requirements-inner{grid-template-columns:1fr;gap:32px;padding-block:50px}
  .requirements h2{font-size:36px}
  .guide-layout{display:block;padding-block:0 90px}
  .guide-index{
    position:sticky;z-index:50;top:68px;margin:0 -16px;border-width:0 0 1px;border-radius:0;background:rgba(8,12,19,.96);backdrop-filter:blur(16px)
  }
  .guide-index-head,.guide-help{display:none}
  .guide-index nav{display:flex;gap:4px;overflow-x:auto;padding:8px 16px;scrollbar-width:none}
  .guide-index nav::-webkit-scrollbar{display:none}
  .guide-index nav a{min-width:max-content;min-height:38px;padding:0 11px;border:1px solid var(--line);border-left-width:1px;border-radius:6px;background:#0e1520}
  .guide-index nav a.is-active{border-color:#5f6cbd;background:#18213b}
  .guide-content{padding-top:64px}
  .guide-intro{padding-bottom:58px}
  .guide-intro h2{font-size:43px}
  .guide-step{padding:66px 0}
  .step-heading{grid-template-columns:50px minmax(0,1fr);gap:17px}
  .step-number{width:50px;height:50px}
  .step-heading h2{font-size:35px}
  .level-guide{grid-template-columns:1fr}
  .server-choice{grid-template-columns:1fr}
  .direct-sequence{grid-template-columns:1fr}
  .direct-sequence>div{min-height:0}
  .direct-sequence>i{transform:rotate(90deg);text-align:center}
  .remote-use-cases{grid-template-columns:1fr}
  .remote-use-card{min-height:190px}
  .remote-chapter-heading{grid-template-columns:1fr;gap:11px}
  .remote-visual-grid{grid-template-columns:1fr}
  .advanced-grid{grid-template-columns:1fr}
  .advanced-tools{padding:84px 0}
  .advanced-tools header h2{font-size:43px}
  .troubleshooting{padding:84px 0}
  .troubleshooting-layout{grid-template-columns:1fr;gap:46px}
  .tutorial-cta-inner{grid-template-columns:1fr}
  .tutorial-cta h2{font-size:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
}

@media (max-width:540px){
  .tutorial-hero{min-height:760px;padding-top:110px}
  .tutorial-hero h1{font-size:48px}
  .hero-actions{display:grid}
  .button{width:100%}
  .guide-intro h2{font-size:36px}
  .guide-intro>p:not(.eyebrow){font-size:15px}
  .step-heading{display:block}
  .step-number{margin-bottom:18px}
  .step-heading h2{font-size:31px}
  .instruction-list>div{grid-template-columns:31px minmax(0,1fr);padding:15px}
  .configuration-heading{align-items:flex-start}
  .configuration-example dl{grid-template-columns:1fr}
  .configuration-example dl div,.configuration-example dl div:nth-child(2n){border-right:0}
  .image-marker em{display:none}
  .image-marker b{width:25px;height:25px}
  .marker-import{top:44%;left:52%}
  .marker-playlist{top:60%;left:18%}
  .marker-micro{top:15%;right:2%}
  .marker-broadcast{top:52%;right:2%}
  .marker-remote-link{top:58%;left:53%}
  .remote-chapter-heading h3{font-size:27px}
  .advanced-tools header h2,.troubleshooting h2,.tutorial-cta h2{font-size:35px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:grid;gap:6px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}