/* ==========================================================================
   VPNCQ — nodes page layer (zh-CN/network.html)
   Region tables, line-type explainers, picking advice, hero flag card.
   Colour / radius / shadow values come from :root tokens only.
   ========================================================================== */

/* ==========================================================================
   1. Hero
   ========================================================================== */

.nd-hero{
  position:relative;
  overflow-x:clip;
  padding-top:clamp(18px, 2.6vw, 36px);
  padding-bottom:clamp(10px, 2vw, 24px);
}

.nd-hero-glow{
  position:absolute;
  left:0;
  right:0;
  top:-70px;
  height:min(560px, 82vw);
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(680px 300px at 80% 0%, color-mix(in srgb, var(--mint) 22%, transparent), transparent 70%),
    radial-gradient(520px 240px at 4% -8%, color-mix(in srgb, var(--bg-panel) 92%, transparent), transparent 76%);
}

.nd-hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0, 1.06fr) minmax(0, .94fr);
  gap:clamp(24px, 3.4vw, 52px);
  align-items:start;
}

.nd-hero-copy{
  position:relative;
  z-index:3;
  min-width:0;
}

.nd-hero-aside{
  position:relative;
  z-index:2;
  min-width:0;
}

/* ---- flag card ---- */

.nd-flag-card{
  min-width:0;
  padding:18px;
  background:var(--bg-panel);
  border:var(--hairline);
  border-radius:var(--r-lg);
  box-shadow:var(--inset-glow), var(--shadow-soft);
}

.nd-flag-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:10px;
  margin-bottom:12px;
}

.nd-flag-h{
  font-size:13px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--text);
}

.nd-flag-note{
  font-family:var(--font-mono);
  font-size:10.5px;
  color:var(--text-muted);
  white-space:nowrap;
}

.nd-flag-grid{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:8px;
}

.nd-flag-item{
  display:flex;
  align-items:center;
  gap:9px;
  min-width:0;
  padding:9px 10px;
  border:1px solid color-mix(in srgb, var(--border) 62%, transparent);
  border-radius:var(--r-sm);
  background:color-mix(in srgb, var(--bg-panel-2) 44%, var(--bg-panel));
}

.nd-flag-item .flag{
  width:20px;
  height:14px;
}

.nd-flag-text{min-width:0;}

.nd-flag-country{
  display:block;
  font-size:12.5px;
  font-weight:700;
  line-height:1.35;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nd-flag-city{
  display:block;
  font-family:var(--font-mono);
  font-size:10.5px;
  line-height:1.45;
  color:var(--text-muted);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nd-flag-foot{
  margin:12px 0 0;
  padding-top:10px;
  border-top:var(--hairline-soft);
  font-size:11.5px;
  line-height:1.65;
  color:var(--text-muted);
}

/* ==========================================================================
   2. Region tables
   ========================================================================== */

.nd-doc{min-width:0;}

.nd-regions{
  display:grid;
  gap:clamp(20px, 3vw, 32px);
  min-width:0;
}

.nd-region{min-width:0;}

.nd-region-head{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:10px;
}

.nd-region-title{
  margin:0;
  font-size:16px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
}

/* ==========================================================================
   3. Line-type explainers
   ========================================================================== */

.nd-type-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:var(--sp-4);
  min-width:0;
}

.nd-type-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  min-width:0;
  padding:20px;
  background:var(--bg-panel);
  border:var(--hairline);
  border-radius:var(--r-md);
  box-shadow:var(--inset-glow), var(--shadow-soft);
}

.nd-type-top{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
}

.nd-type-name{
  margin:0;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.012em;
  color:var(--text);
}

.nd-type-tag{
  display:inline-flex;
  align-items:center;
  max-width:100%;
  min-height:22px;
  padding:0 9px;
  border-radius:var(--r-pill);
  background:color-mix(in srgb, var(--mint) 26%, var(--bg-panel));
  color:var(--accent-dark);
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:700;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nd-type-dl{
  margin:0;
  display:grid;
  gap:10px;
}

.nd-type-row{
  display:grid;
  gap:2px;
  min-width:0;
}

.nd-type-dt{
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent-dark);
}

.nd-type-dd{
  margin:0;
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-muted);
}

/* ==========================================================================
   4. Picking advice
   ========================================================================== */

.nd-pick-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:var(--sp-4);
  min-width:0;
}

.nd-pick-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  min-width:0;
  padding:18px 20px;
  background:color-mix(in srgb, var(--bg-panel-2) 40%, var(--bg-panel));
  border:var(--hairline-soft);
  border-radius:var(--r-md);
}

.nd-pick-card:last-child{grid-column:1 / -1;}

.nd-pick-use{
  margin:0;
  font-size:16px;
  font-weight:800;
  letter-spacing:-.012em;
  color:var(--text);
}

.nd-pick-line{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  max-width:100%;
  min-height:24px;
  padding:0 10px;
  border:1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius:var(--r-xs);
  background:var(--bg-panel);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  color:var(--accent-dark);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nd-pick-desc{
  margin:0;
  font-size:13.5px;
  line-height:1.72;
  color:var(--text-muted);
}

/* ==========================================================================
   5. Offers, notes, fact pills
   ========================================================================== */

.nd-offer-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:var(--sp-4);
  min-width:0;
}

.nd-offer{
  min-width:0;
  padding:20px;
  background:var(--bg-panel);
  border:var(--hairline);
  border-radius:var(--r-md);
  box-shadow:var(--inset-glow), var(--shadow-soft);
}

.nd-offer-h{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--text-muted);
}

.nd-offer-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:6px;
}

.nd-offer-row{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
  min-height:34px;
  padding:0 10px;
  border-radius:var(--r-xs);
  background:color-mix(in srgb, var(--bg-panel-2) 46%, var(--bg-panel));
}

.nd-offer-price{
  flex:none;
  font-family:var(--font-mono);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}

.nd-offer-dash{
  flex:1 1 auto;
  min-width:10px;
  height:1px;
  align-self:center;
  background-image:linear-gradient(90deg, color-mix(in srgb, var(--border) 96%, transparent) 50%, transparent 0);
  background-size:6px 1px;
  background-repeat:repeat-x;
}

.nd-offer-gb{
  flex:none;
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--text-muted);
  white-space:nowrap;
}

.nd-offer-note{
  margin:12px 0 0;
  font-size:12px;
  line-height:1.65;
  color:var(--text-muted);
}

.nd-note{
  margin:var(--sp-5) 0 0;
  font-size:14px;
  line-height:1.76;
  color:var(--text-muted);
}

.nd-factline{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
  min-width:0;
}

/* ==========================================================================
   6. Responsive
   ========================================================================== */

@media (max-width:1080px){
  .nd-hero-inner{grid-template-columns:minmax(0, 1fr);}
  .nd-hero-aside{order:2;}
  .nd-flag-grid{grid-template-columns:repeat(3, minmax(0, 1fr));}
}

@media (max-width:900px){
  .nd-type-grid{grid-template-columns:minmax(0, 1fr);}
  .nd-pick-grid{grid-template-columns:minmax(0, 1fr);}
  .nd-pick-card:last-child{grid-column:auto;}
  .nd-offer-grid{grid-template-columns:minmax(0, 1fr);}
}

@media (max-width:768px){
  .nd-flag-grid{grid-template-columns:repeat(2, minmax(0, 1fr));}
}

@media (max-width:640px){
  .nd-flag-card{padding:14px;}
  .nd-offer{padding:16px;}
  .nd-type-card{padding:16px;}
  .nd-pick-card{padding:16px;}
  .nd-flag-city{font-size:10px;}
}