.tutorial-hero{
  position:relative;
  overflow-x:clip;
  border-bottom:1px solid var(--color-border);
  background:var(--color-panel-soft);
}
.tutorial-hero::before{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:radial-gradient(circle,rgba(var(--rgb-text),.1) 1px,var(--color-transparent) 1.2px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(to right,var(--color-text),var(--color-transparent));
  mask-image:linear-gradient(to right,var(--color-text),var(--color-transparent));
  content:"";
}
.tutorial-hero::after{
  position:absolute;
  top:0;
  right:0;
  width:48%;
  height:100%;
  pointer-events:none;
  background:radial-gradient(circle at center,rgba(var(--rgb-accent),.1),rgba(var(--rgb-accent),0));
  content:"";
}
.tutorial-hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
  align-items:center;
  gap:72px;
  min-height:500px;
}
.tutorial-hero-copy{
  min-width:0;
  max-width:760px;
}
.tutorial-hero-copy h1{
  margin-top:20px;
  margin-bottom:20px;
}
.tutorial-lead{
  max-width:680px;
  margin-bottom:28px;
  color:var(--color-text-muted);
  font-size:19px;
}
.tutorial-route{
  display:flex;
  min-width:0;
  flex-direction:column;
  padding:32px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  background:var(--color-panel);
  box-shadow:var(--shadow-panel);
}
.route-point{
  display:grid;
  grid-template-columns:24px minmax(0,1fr);
  align-items:center;
  gap:14px;
  color:var(--color-text-muted);
}
.route-point span{
  display:block;
  width:14px;
  height:14px;
  margin-inline:auto;
  border:2px solid var(--color-border);
  border-radius:var(--radius-round);
  background:var(--color-panel);
}
.route-point b{
  font-family:var(--font-display);
  font-size:15px;
}
.route-point.is-current{
  color:var(--color-text);
}
.route-point.is-current span{
  border-color:var(--color-accent);
  background:var(--color-accent);
  box-shadow:0 0 0 5px rgba(var(--rgb-accent),.12);
}
.route-line{
  width:1px;
  height:38px;
  margin-left:11px;
  background:var(--color-border);
}
.tutorial-article{
  padding-top:48px;
  padding-bottom:104px;
}
.tutorial-article a:not(.btn){
  color:var(--color-accent-deep);
  text-decoration:underline;
  text-underline-offset:3px;
}
.tutorial-article .toc-tabs a{
  color:var(--color-text-muted);
  text-decoration:none;
}
.tutorial-article .toc-tabs a.is-current,
.tutorial-article .toc-tabs a[aria-current="location"]{
  color:var(--color-white);
}
.guide-step{
  position:relative;
  display:grid;
  grid-template-columns:28px minmax(0,1fr);
  gap:20px;
  padding-top:68px;
}
.guide-step::before{
  position:absolute;
  top:0;
  bottom:-68px;
  left:13px;
  width:1px;
  background:var(--color-border);
  content:"";
}
.guide-step:last-child::before{
  bottom:0;
}
.step-marker{
  position:relative;
  z-index:1;
  width:14px;
  height:14px;
  margin-top:10px;
  margin-left:7px;
  border:3px solid var(--color-page);
  border-radius:var(--radius-round);
  background:var(--color-accent);
  box-shadow:0 0 0 1px var(--color-accent);
}
.step-content{
  min-width:0;
}
.step-kicker{
  margin-bottom:8px;
  color:var(--color-accent-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.step-content h2{
  margin-bottom:24px;
}
.step-content p,
.step-content li{
  color:var(--color-text-muted);
}
.step-content strong{
  color:var(--color-text);
}
.step-action{
  margin-top:24px;
  margin-bottom:24px;
}
.expected-result{
  margin-top:28px;
  padding:18px 20px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  box-shadow:var(--shadow-small);
}
.platform-instructions{
  display:grid;
  gap:18px;
  margin-top:30px;
}
.platform-guide{
  padding:26px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  box-shadow:var(--shadow-small);
}
.platform-guide h3{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:22px;
}
.platform-guide h3::before{
  width:8px;
  height:8px;
  flex-shrink:0;
  border-radius:var(--radius-round);
  background:var(--color-accent);
  content:"";
}
.platform-guide p:last-child{
  margin-bottom:0;
}
.finish-panel{
  display:grid;
  gap:24px;
  margin-top:36px;
  padding:30px;
  border:1px solid var(--color-dark-border);
  border-radius:var(--radius-lg);
  color:var(--color-dark-text);
  background:var(--color-dark-panel);
}
.finish-panel h3{
  color:var(--color-dark-text);
}
.finish-panel p{
  margin-bottom:0;
  color:var(--color-dark-text);
  opacity:.74;
}
.finish-panel .btn-secondary{
  color:var(--color-text);
}
@media (max-width:960px){
  .tutorial-hero-grid{
    grid-template-columns:1fr;
    gap:36px;
    min-height:auto;
    padding-top:64px;
    padding-bottom:64px;
  }
  .tutorial-route{
    display:grid;
    grid-template-columns:auto 1fr auto 1fr auto 1fr auto 1fr auto;
    align-items:center;
    padding:24px;
  }
  .route-point{
    display:flex;
    flex-direction:column;
    gap:8px;
    text-align:center;
  }
  .route-point b{
    font-size:12px;
    white-space:nowrap;
  }
  .route-line{
    width:auto;
    height:1px;
    margin:0 8px 20px;
  }
}
@media (max-width:768px){
  .tutorial-hero::after{
    display:none;
  }
  .tutorial-hero-grid{
    padding-top:44px;
    padding-bottom:44px;
  }
  .tutorial-lead{
    font-size:17px;
  }
  .tutorial-route{
    padding:18px;
  }
  .route-point b{
    display:none;
  }
  .route-line{
    margin-bottom:0;
  }
  .tutorial-article{
    padding-top:32px;
    padding-bottom:76px;
  }
  .guide-step{
    grid-template-columns:20px minmax(0,1fr);
    gap:14px;
    padding-top:56px;
  }
  .guide-step::before{
    left:9px;
  }
  .step-marker{
    width:12px;
    height:12px;
    margin-left:4px;
  }
}
@media (max-width:640px){
  .tutorial-route{
    grid-template-columns:auto 1fr auto 1fr auto 1fr auto 1fr auto;
  }
  .platform-guide{
    padding:20px;
  }
  .finish-panel{
    padding:22px;
  }
  .expected-result{
    padding:16px;
  }
}