:root{
  --download-hero-gradient:linear-gradient(135deg,var(--color-hero-a),var(--color-hero-mid-a) 38%,var(--color-hero-mid-b) 70%,var(--color-hero-b));
  --download-hero-glow:radial-gradient(circle at 76% 34%,var(--color-glass-high),transparent 38%);
  --download-map-grid:linear-gradient(var(--color-glass-line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--color-glass-line-soft) 1px,transparent 1px);
  --download-package-primary:rgba(0,199,168,.08);
  --download-package-soft:rgba(255,255,255,.72);
}
.download-hero{
  position:relative;
  overflow:hidden;
  padding-top:clamp(64px,8vw,108px);
  padding-bottom:clamp(72px,9vw,122px);
  background:var(--download-hero-gradient);
  color:var(--color-hero-text);
}
.download-hero::before{
  position:absolute;
  inset:0;
  background:var(--download-hero-glow);
  content:"";
  pointer-events:none;
}
.download-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);
  align-items:center;
  gap:clamp(40px,7vw,92px);
}
.download-hero-copy{max-width:650px}
.download-kicker{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
  color:var(--color-hero-muted);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:650;
  letter-spacing:.09em;
}
.download-kicker .status-dot{
  box-shadow:0 0 0 6px var(--color-glass-line-soft);
}
.download-hero h1{
  max-width:760px;
  margin-bottom:24px;
  color:var(--color-hero-text);
  font-size:clamp(36px,4vw,48px);
  letter-spacing:-.018em;
}
.download-hero-lead{
  max-width:62ch;
  margin-bottom:26px;
  color:var(--color-hero-muted);
  font-size:clamp(17px,1.8vw,21px);
}
.download-hero-lead strong{color:var(--color-hero-text)}
.download-fact-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:24px;
}
.download-fact-row span{
  display:inline-flex;
  min-height:32px;
  align-items:center;
  padding:5px 12px;
  border:1px solid var(--color-glass-line-soft);
  border-radius:var(--radius-pill);
  background:var(--color-glass-low);
  color:var(--color-hero-text);
  font-family:var(--font-mono);
  font-size:12px;
}
.hero-guide-link{
  display:inline-flex;
  min-height:44px;
  align-items:center;
  color:var(--color-hero-text);
  font-weight:650;
  text-decoration:none;
}
.hero-guide-link:hover{color:var(--color-panel)}
.package-map{
  overflow:hidden;
  border:1px solid var(--color-glass-line);
  border-radius:var(--radius-xl);
  background:var(--color-glass-high);
  box-shadow:var(--shadow-float),inset 0 1px 0 var(--color-glass-line-soft);
  backdrop-filter:blur(18px);
}
.package-map-chrome{
  display:flex;
  min-height:48px;
  align-items:center;
  gap:7px;
  padding:0 18px;
  border-bottom:1px solid var(--color-glass-line-soft);
}
.package-map-chrome i{
  width:9px;
  height:9px;
  border-radius:50%;
}
.package-map-chrome i:nth-child(1){background:var(--color-error)}
.package-map-chrome i:nth-child(2){background:var(--color-warning)}
.package-map-chrome i:nth-child(3){background:var(--color-success)}
.package-map-chrome span{
  margin-left:auto;
  color:var(--color-hero-muted);
  font-family:var(--font-mono);
  font-size:11px;
}
.package-map-body{
  padding:clamp(24px,4vw,42px);
  background-image:var(--download-map-grid);
  background-size:32px 32px;
}
.package-map-line{
  display:grid;
  grid-template-columns:34px 14px minmax(0,1fr);
  align-items:center;
  gap:12px;
  padding:17px;
  border:1px solid var(--color-glass-line-soft);
  border-radius:var(--radius-lg);
  background:var(--color-glass-row);
}
.package-map-code{
  color:var(--color-hero-faint);
  font-family:var(--font-mono);
  font-size:11px;
}
.package-map-node{
  width:12px;
  height:12px;
  border:2px solid var(--color-hero-text);
  border-radius:50%;
  box-shadow:0 0 0 7px var(--color-glass-line-soft);
}
.package-map-line strong{
  color:var(--color-hero-text);
  font-size:15px;
}
.package-map-line small{
  grid-column:3;
  color:var(--color-hero-muted);
  font-family:var(--font-mono);
}
.package-map-rail{
  width:1px;
  height:25px;
  margin-left:57px;
  background:var(--color-glass-line);
}
.package-map-status{
  padding:13px 18px;
  border-top:1px solid var(--color-glass-line-soft);
  color:var(--color-hero-muted);
  font-family:var(--font-mono);
  font-size:11px;
}
.platform-tabs{
  grid-template-columns:1fr;
  gap:18px;
}
.platform-tabs .tab-list{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;
  overflow:visible;
}
.platform-tabs .tab-list [role="tab"]{
  min-width:0;
  grid-template-columns:34px 9px minmax(0,1fr);
  border:1px solid var(--color-border);
  background:var(--color-panel);
}
.platform-tabs .tab-list [role="tab"]::before{
  top:auto;
  right:12px;
  bottom:0;
  left:12px;
  width:auto;
  height:3px;
  background:linear-gradient(90deg,var(--color-accent-dark),var(--color-accent));
}
.platform-tabs .tab-list [role="tab"][aria-selected="true"]{
  border-color:var(--color-accent);
}
.platform-tab-icon{
  display:grid;
  width:32px;
  height:32px;
  place-items:center;
  border:1px solid var(--color-border);
  border-radius:50%;
  background:var(--color-panel-soft);
  color:var(--color-accent-dark);
}
.platform-tab-icon svg{
  width:15px;
  height:15px;
}
.platform-tab-icon-tux svg{
  width:14px;
  height:17px;
}
.platform-panel{grid-column:1;grid-row:1}
.platform-panel-head{
  max-width:780px;
  margin-bottom:30px;
}
.platform-panel-head h3{margin-bottom:14px}
.platform-panel-head p:last-child{color:var(--color-muted)}
.app-download-card{
  max-width:900px;
  margin-bottom:32px;
  padding:clamp(22px,4vw,34px);
}
.app-identity{
  display:flex;
  align-items:center;
  gap:15px;
}
.app-identity img{
  width:52px;
  height:52px;
  flex-shrink:0;
}
.app-version{
  margin:4px 0 0;
  color:var(--color-muted);
  font-family:var(--font-mono);
  font-size:12px;
}
.app-summary{
  max-width:76ch;
  margin:0;
  color:var(--color-muted);
}
.package-choice{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(250px,340px);
  align-items:center;
  gap:20px;
  padding:20px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  background:var(--color-panel-soft);
}
.package-choice + .package-choice{margin-top:12px}
.package-choice-primary{
  border-color:var(--color-accent);
  background:var(--download-package-primary);
}
.package-choice > div{
  display:grid;
  gap:5px;
}
.package-choice strong{font-size:17px}
.package-choice span{
  color:var(--color-muted);
  font-size:14px;
}
.package-download-btn{
  width:100%;
  min-height:52px;
}
.android-card-stack{
  display:grid;
  max-width:900px;
  gap:24px;
}
.android-card-stack .app-download-card{margin-bottom:0}
.requirements-block{
  margin-top:34px;
}
.requirements-block h4{margin-bottom:16px}
.data-table{
  max-width:100%;
  overflow-x:auto;
  border-radius:var(--radius-lg);
  -webkit-overflow-scrolling:touch;
}
.data-table table{margin:0}
.linux-main-packages{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.linux-main-packages .package-choice{
  grid-template-columns:1fr;
  align-content:space-between;
}
.arm-package-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:20px;
  padding:20px;
  border:1px dashed var(--color-accent-dark);
  border-radius:var(--radius-lg);
  background:var(--color-panel-soft);
}
.arm-package-row > div:first-child{
  display:grid;
  gap:4px;
}
.arm-package-row span{
  color:var(--color-muted);
  font-size:14px;
}
.selection-flow{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  overflow:hidden;
  border:1px solid var(--color-border);
  border-radius:var(--radius-xl);
  background:var(--color-border);
  box-shadow:var(--shadow-card);
}
.selection-step{
  min-height:100%;
  padding:clamp(24px,3vw,34px);
  background:var(--color-panel);
}
.selection-code{
  display:block;
  margin-bottom:28px;
  color:var(--color-accent-dark);
  font-family:var(--font-mono);
  font-size:12px;
}
.selection-step h3{
  margin-bottom:14px;
  font-size:27px;
}
.selection-step p{
  margin:0;
  color:var(--color-muted);
}
.install-notes-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.install-note h3{font-size:28px}
.install-note p{color:var(--color-muted)}
.install-note p:last-child{margin-bottom:0}
.connection-sequence{
  margin-top:28px;
  padding:clamp(24px,4vw,38px);
  border-radius:var(--radius-xl);
  background:var(--color-code-bg);
  color:var(--color-code-text);
}
.connection-sequence-head{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  margin-bottom:24px;
  padding-bottom:18px;
  border-bottom:1px solid var(--color-glass-line-soft);
}
.connection-sequence-head span{color:var(--color-hero-faint)}
.connection-sequence-head strong{color:var(--color-hero-text)}
.connection-sequence ol{
  display:grid;
  gap:14px;
  margin:0;
  padding-left:1.4em;
}
.connection-sequence li{color:var(--color-hero-muted)}
.connection-sequence li strong{color:var(--color-hero-text)}
.install-guide-actions{margin-top:28px}
@media (max-width:960px){
  .download-hero-grid{
    grid-template-columns:1fr;
  }
  .package-map{max-width:720px}
  .platform-tabs .tab-list{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .selection-flow{grid-template-columns:1fr}
  .linux-main-packages{grid-template-columns:1fr}
}
@media (max-width:768px){
  .download-hero{
    padding-top:56px;
    padding-bottom:72px;
  }
  .download-hero h1{
    font-size:clamp(26px,7.5vw,30px);
  }
  .platform-tabs .tab-list{
    display:flex;
    overflow-x:auto;
    padding-bottom:6px;
  }
  .platform-tabs .tab-list [role="tab"]{
    min-width:190px;
  }
  .package-choice{
    grid-template-columns:1fr;
  }
  .arm-package-row{
    grid-template-columns:1fr;
  }
  .install-notes-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .package-map-body{padding:18px}
  .package-map-line{
    grid-template-columns:28px 12px minmax(0,1fr);
    padding:14px;
  }
  .package-map-line small{
    font-size:10px;
    overflow-wrap:anywhere;
  }
  .package-map-rail{margin-left:47px}
  .platform-panel{padding:22px 16px}
  .download-card-head{align-items:flex-start}
  .app-identity{gap:11px}
  .app-identity img{
    width:48px;
    height:48px;
  }
  .download-card-title{font-size:24px}
  .package-choice{padding:16px}
  .arm-package-row .download-actions{
    display:grid;
    grid-template-columns:1fr;
  }
  .arm-package-row .btn{width:100%}
  .connection-sequence-head{flex-direction:column}
}
@media (max-width:380px){
  .download-fact-row span{font-size:11px}
  .platform-tabs .tab-list [role="tab"]{min-width:172px}
  .app-identity img{
    width:48px;
    height:48px;
  }
  .download-card-head{flex-direction:column}
}