.tutorial-hero{
  position:relative;
  overflow-x:clip;
  max-width:100%;
  padding-top:76px;
  padding-bottom:104px;
  background:linear-gradient(180deg,var(--color-hero-top),var(--color-hero-bottom));
}
.tutorial-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:40px;
  border-radius:var(--radius-section) var(--radius-section) 0 0;
  background:var(--color-paper);
}
.tutorial-hero-shape{
  position:absolute;
  inset:0;
  max-width:100%;
  overflow:hidden;
  pointer-events:none;
}
.tutorial-hero-shape::before{
  content:"";
  position:absolute;
  width:610px;
  height:610px;
  right:calc(50% - 650px);
  top:12px;
  border-radius:var(--radius-pill);
  background:radial-gradient(circle at 38% 32%,var(--color-circle-a),var(--color-circle-b));
}
.tutorial-dot{
  position:absolute;
  display:block;
  border-radius:var(--radius-pill);
}
.tutorial-dot-yellow{
  width:22px;
  height:22px;
  left:7%;
  top:112px;
  background:var(--color-yellow);
}
.tutorial-dot-pink{
  width:16px;
  height:16px;
  right:6%;
  top:94px;
  background:var(--color-pink);
}
.tutorial-triangle{
  position:absolute;
  left:12%;
  bottom:104px;
  width:0;
  height:0;
  border-left:13px solid transparent;
  border-right:13px solid transparent;
  border-bottom:24px solid var(--color-sky);
  transform:rotate(-14deg);
}
.tutorial-hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);
  gap:72px;
  align-items:center;
}
.tutorial-hero-copy{
  min-width:0;
}
.tutorial-hero-copy h1{
  max-width:720px;
  margin-top:16px;
}
.tutorial-intro{
  max-width:670px;
  margin-top:20px;
  color:var(--color-muted);
  font-size:18px;
}
.tutorial-hero-actions{
  margin-top:28px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.tutorial-facts{
  margin-top:20px;
  display:flex;
  align-items:center;
  gap:10px 22px;
  flex-wrap:wrap;
  color:var(--color-muted);
  font-size:13px;
  font-weight:700;
}
.tutorial-facts span{
  position:relative;
  padding-left:14px;
}
.tutorial-facts span::before{
  content:"";
  position:absolute;
  left:0;
  top:.65em;
  width:6px;
  height:6px;
  border-radius:var(--radius-pill);
  background:var(--color-success);
}
.tutorial-route-card{
  min-width:0;
  padding:18px;
  border:1px solid var(--color-line-soft);
  border-radius:var(--radius-window);
  background:var(--color-panel);
  box-shadow:0 30px 60px var(--shadow-deep),inset 0 0 0 1px var(--color-highlight);
  transform:rotate(1.2deg);
}
.route-card-top{
  min-height:34px;
  padding-bottom:12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  border-bottom:1px solid var(--color-border);
  color:var(--color-muted);
  font-family:var(--font-mono);
  font-size:11px;
}
.route-window-dots{
  display:flex;
  gap:6px;
}
.route-window-dots i{
  width:9px;
  height:9px;
  border-radius:var(--radius-pill);
}
.route-window-dots i:first-child{
  background:var(--color-error);
}
.route-window-dots i:nth-child(2){
  background:var(--color-warn);
}
.route-window-dots i:last-child{
  background:var(--color-success);
}
.route-list{
  margin:0;
  padding:12px 0 0;
  display:grid;
  gap:4px;
  list-style:none;
}
.route-list li{
  min-width:0;
  min-height:54px;
  padding:8px 10px;
  display:flex;
  align-items:center;
  gap:12px;
  border-radius:var(--radius-button);
}
.route-list li:nth-child(odd){
  background:var(--color-side);
}
.route-mark{
  width:32px;
  height:32px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:var(--radius-button);
  background:var(--color-blue-soft);
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-weight:800;
}
.route-list strong,
.route-list small{
  display:block;
}
.route-list strong{
  font-size:14px;
}
.route-list small{
  color:var(--color-muted);
  font-size:11px;
}
.tutorial-paper{
  padding-top:54px;
  padding-bottom:96px;
  background:var(--color-paper);
}
.guide-article{
  position:relative;
  min-width:0;
}
.guide-article>.toc-tabs{
  top:12px;
}
.tutorial-callout{
  max-width:920px;
  margin:0 auto;
}
.guide-section{
  max-width:1040px;
  margin:0 auto;
  padding-top:82px;
  padding-bottom:20px;
}
.guide-step-label{
  margin-bottom:14px;
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:800;
  letter-spacing:.12em;
}
.guide-section-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 270px;
  gap:48px;
  align-items:start;
}
.guide-copy{
  min-width:0;
}
.guide-copy-wide{
  max-width:820px;
}
.guide-copy h2{
  margin-bottom:22px;
}
.guide-copy p{
  color:var(--color-muted);
  font-size:16px;
  line-height:1.85;
}
.guide-copy p+p{
  margin-top:18px;
}
.guide-copy .btn{
  margin-top:26px;
}
.guide-copy code{
  padding:2px 6px;
  border-radius:var(--radius-xs);
  background:var(--color-inset);
  color:var(--color-accent-dark);
  font-size:13px;
}
.guide-copy a:not(.btn){
  color:var(--color-accent);
  font-weight:700;
  text-decoration:underline;
  text-underline-offset:3px;
}
.step-note{
  min-width:0;
  padding:22px;
  border-radius:var(--radius-card);
  background:var(--color-yellow-soft);
  box-shadow:0 16px 34px var(--shadow-soft),inset 0 0 0 1px var(--color-highlight);
}
.step-note-blue{
  background:var(--color-blue-soft);
}
.step-note-pink{
  background:var(--color-pink-soft);
}
.step-note h3{
  margin-top:16px;
  font-family:var(--font-display);
  font-size:22px;
}
.step-note p{
  margin-top:10px;
  color:var(--color-muted);
}
.platform-guide-grid{
  margin-top:34px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.platform-guide{
  min-width:0;
  padding:28px;
  border:1px solid var(--color-line-soft);
  border-radius:var(--radius-card);
  background:var(--color-panel);
  box-shadow:0 18px 40px var(--shadow-soft),inset 0 0 0 1px var(--color-highlight);
  transition:transform var(--transition-fast),box-shadow var(--transition-fast);
}
.platform-guide:nth-child(2),
.platform-guide:nth-child(3){
  background:var(--color-blue-soft);
}
.platform-guide:hover{
  transform:translateY(-2px);
  box-shadow:0 24px 46px var(--shadow-soft),inset 0 0 0 1px var(--color-highlight);
}
.platform-guide-head{
  display:flex;
  align-items:center;
  gap:12px;
}
.platform-letter{
  width:40px;
  height:40px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:var(--radius-button);
  background:var(--color-accent);
  color:var(--color-white);
  font-family:var(--font-mono);
  font-weight:800;
}
.platform-guide h3{
  font-family:var(--font-display);
  font-size:24px;
}
.platform-guide p{
  margin-top:16px;
  color:var(--color-muted);
  line-height:1.8;
}
.download-panel{
  margin-top:28px;
  padding:24px 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border-radius:var(--radius-card);
  background:var(--color-inset);
}
.download-panel p{
  margin-top:4px;
  color:var(--color-muted);
}
.completion-card{
  margin-top:36px;
  padding:34px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:36px;
  align-items:center;
  overflow:hidden;
  border-radius:var(--radius-card);
  background:var(--color-accent-dark);
  color:var(--color-white);
  box-shadow:0 24px 52px var(--shadow-deep);
}
.completion-card h2{
  font-size:34px;
}
.completion-card p{
  max-width:650px;
  margin-top:12px;
  color:var(--color-blue-soft);
}
.completion-card .section-kicker{
  color:var(--color-sky);
}
.completion-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.completion-card .btn-secondary{
  background:var(--color-panel);
}

@media (max-width:900px){
  .tutorial-hero-inner{
    grid-template-columns:1fr;
    gap:42px;
  }
  .tutorial-route-card{
    width:100%;
    max-width:620px;
    transform:none;
  }
  .guide-section-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .step-note{
    max-width:620px;
  }
  .completion-card{
    grid-template-columns:1fr;
  }
  .completion-actions{
    justify-content:flex-start;
  }
}
@media (max-width:768px){
  .tutorial-hero{
    padding-top:52px;
    padding-bottom:82px;
  }
  .tutorial-hero-shape{
    display:none;
  }
  .tutorial-intro{
    font-size:16px;
  }
  .tutorial-paper{
    padding-top:36px;
    padding-bottom:72px;
  }
  .guide-section{
    padding-top:64px;
  }
  .platform-guide-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width:640px){
  .tutorial-hero-actions{
    align-items:stretch;
  }
  .tutorial-hero-actions .btn{
    width:100%;
  }
  .tutorial-route-card{
    padding:14px;
  }
  .tutorial-facts{
    display:grid;
    gap:8px;
  }
  .guide-copy p{
    font-size:15px;
    line-height:1.8;
  }
  .platform-guide{
    padding:22px;
  }
  .download-panel{
    align-items:stretch;
    flex-direction:column;
  }
  .download-panel .btn{
    width:100%;
  }
  .completion-card{
    padding:24px;
  }
  .completion-card h2{
    font-size:28px;
  }
  .completion-actions{
    align-items:stretch;
    flex-direction:column;
  }
  .completion-actions .btn{
    width:100%;
  }
}