:root{
  --table-min:760px;
  --comparison-min:820px;
  --hero-grid-size:26px;
  --hero-stage-height:430px;
  --flag-red:#D42C2C;
  --flag-red-soft:#C93B3B;
  --flag-blue:#2C3A78;
  --flag-blue-deep:#173A78;
  --flag-white:#FFFFFF;
}
.hero{
  position:relative;
  min-height:calc(100svh - var(--header-height) - 88px);
  display:flex;
  align-items:center;
  overflow-x:clip;
  background:var(--color-canvas);
}
.hero::before{
  position:absolute;
  inset:0;
  content:"";
  pointer-events:none;
  background-image:linear-gradient(var(--color-grid) 1px,transparent 1px),linear-gradient(90deg,var(--color-grid) 1px,transparent 1px);
  background-size:var(--hero-grid-size) var(--hero-grid-size);
  mask-image:linear-gradient(90deg,transparent,transparent 44%,var(--color-ink),transparent);
  opacity:.45;
}
.hero-inner{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--content-max);
  margin-inline:auto;
  padding:40px var(--gutter) 32px;
  display:grid;
  grid-template-columns:minmax(0,45fr) minmax(0,55fr);
  gap:40px;
  align-items:center;
}
.hero-copy{min-width:0}
.hero-kicker{
  display:inline-flex;
  max-width:100%;
  align-items:center;
  gap:10px;
  margin-bottom:26px;
  padding:6px 14px;
  overflow:hidden;
  border:1px solid var(--color-line);
  border-radius:var(--radius-pill);
  color:var(--color-ink-soft);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  white-space:nowrap;
}
.hero-title{font-weight:500}
.hero-title-sub{
  display:block;
  margin-top:6px;
  color:var(--color-ink);
  font-size:clamp(30px,3.5vw,44px);
  font-weight:500;
}
.hero-description{
  max-width:540px;
  margin-bottom:28px;
  color:var(--color-ink-soft);
  font-size:16.5px;
  line-height:1.75;
}
.hero-description strong{color:var(--color-ink);font-weight:600}
.hero .button-row{margin-bottom:28px}
.trust-list{
  max-width:560px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  margin:0;
  padding:21px 0 0;
  border-top:1px solid var(--color-line);
  list-style:none;
}
.trust-list li{
  display:flex;
  align-items:center;
  gap:7px;
  color:var(--color-ink-soft);
  font-size:13px;
}
.trust-list svg{width:12px;height:12px;flex-shrink:0;color:var(--color-ink)}
.hero-stage{position:relative;min-width:0;padding-left:12px}
.blueprint-wrap{
  padding:6px 6px 0;
  border-radius:var(--radius-lg);
  background-image:radial-gradient(circle at 1px 1px,var(--color-grid) 1px,transparent 1px);
  background-size:var(--hero-grid-size) var(--hero-grid-size);
}
.blueprint{width:100%;height:auto;color:var(--color-ink)}
.blueprint text{font-family:var(--font-mono)}
.bp-label{fill:var(--color-ink-soft);font-size:11px;letter-spacing:.08em}
.bp-tag{fill:var(--color-ink-soft);font-size:9.5px;letter-spacing:.12em}
.bp-ok{fill:var(--color-signal);font-size:11px;letter-spacing:.1em}
.bp-line{fill:none;stroke:var(--color-ink);stroke-width:1.4;stroke-linecap:round}
.bp-soft{fill:none;stroke:var(--color-ink-soft);stroke-width:1;stroke-linecap:round}
.bp-fill{fill:var(--color-canvas);stroke:var(--color-ink);stroke-width:1.4}
.bp-guide{fill:none;stroke:var(--color-ink-soft);stroke-width:1;stroke-dasharray:5 5}
.bp-signal{fill:var(--color-signal)}
.spec-plate{margin-top:14px;border-top:1px solid var(--color-line)}
.spec-row{display:flex;align-items:center;gap:26px;padding:13px 6px}
.spec-row+.spec-row{border-top:1px solid var(--color-line)}
.spec-key{width:86px;flex-shrink:0;color:var(--color-ink-soft);font-family:var(--font-mono);font-size:10px;letter-spacing:.18em}
.flag-list,.platform-line{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.flag-list li,.platform-line li{display:flex;align-items:center;gap:8px;color:var(--color-ink);font-size:13px}
.flag-list svg{width:26px;height:18px;flex-shrink:0;border-radius:var(--radius-xs);box-shadow:0 0 0 1px var(--color-line)}
.platform-line svg{width:20px;height:20px;flex-shrink:0}
.platform-line span{color:var(--color-ink-soft);font-size:12px}
.plate-peek{height:88px;display:flex;align-items:center;background:var(--color-panel);color:var(--color-white)}
.plate-peek-inner{width:100%;display:flex;align-items:center;gap:24px}
.plate-peek-code{color:var(--color-signal);font-family:var(--font-mono);font-size:11px;letter-spacing:.2em}
.plate-peek-note{margin-left:auto;color:var(--color-dark-faint);font-family:var(--font-mono);font-size:11px;letter-spacing:.08em}
.fact-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-block:1px solid var(--color-line);
}
.fact-item{padding:22px clamp(16px,3vw,34px)}
.fact-item+.fact-item{border-left:1px solid var(--color-line)}
.fact-value{display:block;font-family:var(--font-mono);font-size:clamp(24px,3vw,38px);line-height:1.1}
.fact-label{display:block;margin-top:6px;color:var(--color-ink-soft);font-size:13px}
.spec-layout{
  display:grid;
  grid-template-columns:minmax(220px,1fr) minmax(0,2fr);
  gap:clamp(46px,8vw,120px);
}
.spec-intro{position:sticky;top:calc(var(--header-height) + 30px);align-self:start}
.spec-intro h2{color:var(--color-white)}
.spec-list{margin:0;padding:0;list-style:none}
.spec-line{
  position:relative;
  display:grid;
  grid-template-columns:54px minmax(150px,.7fr) minmax(0,1.3fr);
  gap:24px;
  padding:30px 0;
  border-bottom:1px solid var(--color-dark-line);
}
.spec-line::before{
  position:absolute;
  top:37px;
  left:0;
  content:"✓";
  color:var(--color-signal);
  opacity:0;
  transform:translateX(-18px);
  transition:opacity .16s ease,transform .16s ease;
}
.spec-line:hover::before,.spec-line:focus-within::before{opacity:1;transform:translateX(-8px)}
.spec-number{color:var(--color-dark-faint);font-family:var(--font-mono);font-size:12px;transition:color .16s ease}
.spec-line:hover .spec-number,.spec-line:focus-within .spec-number{color:var(--color-signal)}
.spec-line h3{margin:0;color:var(--color-white);font-size:22px}
.spec-line p{margin:0;color:var(--color-dark-soft)}
.tabs{
  display:flex;
  max-width:100%;
  gap:4px;
  padding:4px;
  overflow-x:auto;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-paper-soft);
  scrollbar-width:thin;
}
.tabs [role="tab"]{
  min-width:88px;
  min-height:42px;
  flex:0 0 auto;
  padding:9px 16px;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  background:transparent;
  color:var(--color-ink-soft);
}
.tabs [role="tab"][aria-selected="true"]{
  border-color:var(--color-line);
  background:var(--color-canvas);
  color:var(--color-ink);
  box-shadow:0 2px 6px var(--color-shadow-faint);
}
.tab-panel{padding-top:28px}
.tab-panel[hidden]{display:none}
.toc-tabs{
  position:sticky;
  top:var(--header-height);
  z-index:35;
  display:flex;
  max-width:100%;
  gap:4px;
  padding:8px;
  overflow-x:auto;
  border-block:1px solid var(--color-line);
  background:var(--color-canvas);
  scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.toc-tabs a{
  min-height:38px;
  flex:0 0 auto;
  display:flex;
  align-items:center;
  padding:7px 13px;
  border-radius:var(--radius-sm);
  color:var(--color-ink-soft);
  font-size:13px;
  white-space:nowrap;
}
.toc-tabs a:hover,.toc-tabs a.is-current{background:var(--color-panel);color:var(--color-white)}
body:has(.toc-tabs) section[id]{scroll-margin-top:var(--toc-offset)}
.faq-list{border-top:1px solid var(--color-line)}
.faq-item{border-bottom:1px solid var(--color-line)}
.faq-item summary{
  position:relative;
  min-height:64px;
  padding:20px 44px 20px 0;
  cursor:pointer;
  color:var(--color-ink);
  font-size:17px;
  font-weight:600;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  position:absolute;
  top:22px;
  right:6px;
  content:"+";
  color:var(--color-signal);
  font-family:var(--font-mono);
  font-size:20px;
  line-height:1;
  transition:transform .16s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{max-width:780px;padding:0 44px 22px 0;color:var(--color-ink-soft)}
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.plan-card{
  position:relative;
  display:flex;
  min-width:0;
  flex-direction:column;
  padding:30px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-canvas);
}
.plan-card.is-featured{border-color:var(--color-signal);box-shadow:inset 0 3px var(--color-signal)}
.plan-badge{
  position:absolute;
  top:14px;
  right:14px;
  max-width:calc(100% - 28px);
  padding:4px 9px;
  overflow:hidden;
  border-radius:var(--radius-pill);
  background:var(--color-signal);
  color:var(--color-white);
  font-family:var(--font-mono);
  font-size:10px;
  white-space:nowrap;
}
.plan-name{margin-bottom:18px;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em}
.plan-price{display:flex;align-items:baseline;gap:4px;margin-bottom:4px}
.plan-price strong{font-size:44px;line-height:1;font-weight:500}
.plan-period{color:var(--color-ink-soft);font-size:13px}
.plan-meta{margin-bottom:24px;color:var(--color-ink-soft)}
.plan-features{margin:0 0 28px;padding:22px 0 0;border-top:1px solid var(--color-line);list-style:none}
.plan-features li{display:flex;gap:8px;color:var(--color-ink-soft);font-size:14px}
.plan-features li+li{margin-top:9px}
.plan-features li::before{content:"✓";flex-shrink:0;color:var(--color-signal)}
.plan-card .btn{width:100%;margin-top:auto}
.table-scroll{
  width:100%;
  max-width:100%;
  overflow-x:auto;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  -webkit-overflow-scrolling:touch;
}
.data-table{width:100%;min-width:var(--table-min);background:var(--color-canvas)}
.comparison-table{min-width:var(--comparison-min)}
.data-table th,.data-table td{padding:15px 18px;border-bottom:1px solid var(--color-line);text-align:left;vertical-align:top}
.data-table th{
  background:var(--color-paper-soft);
  color:var(--color-ink);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
}
.data-table td:first-child,.data-table th:first-child{color:var(--color-ink);font-weight:600}
.data-table td{color:var(--color-ink-soft);font-size:14px}
.data-table tr:last-child td{border-bottom:0}
.region-row th{background:var(--color-panel);color:var(--color-white)}
.status-mark{display:inline-flex;align-items:center;gap:7px;color:var(--color-ink)}
.status-mark::before{width:6px;height:6px;flex-shrink:0;border-radius:50%;background:var(--color-ok);content:""}
.platform-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:14px;
}
.platform-card{
  display:flex;
  min-width:0;
  min-height:190px;
  flex-direction:column;
  align-items:flex-start;
  padding:24px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  background:var(--color-canvas);
}
.platform-card svg{width:30px;height:30px;margin-bottom:28px;color:var(--color-ink)}
.platform-card h3{margin-bottom:6px;font-size:18px}
.platform-card p{margin-bottom:20px;color:var(--color-ink-soft);font-size:13px}
.platform-card .btn{width:100%;margin-top:auto;padding-inline:12px}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.article-card{
  display:flex;
  min-height:280px;
  flex-direction:column;
  padding:26px;
  border-top:3px solid var(--color-signal);
  border-bottom:1px solid var(--color-line);
  background:var(--color-canvas);
}
.article-card-meta{display:flex;justify-content:space-between;gap:16px;margin-bottom:28px;color:var(--color-ink-soft);font-family:var(--font-mono);font-size:10px}
.article-card h3{font-size:22px}
.article-card p{color:var(--color-ink-soft);font-size:14px}
.article-card-link{margin-top:auto;color:var(--color-signal);font-weight:600}
.callout{
  position:relative;
  margin-block:28px;
  padding:22px 24px 22px 34px;
  border:1px solid var(--color-line);
  border-radius:var(--radius-sm);
  background:var(--color-paper-warm);
  color:var(--color-ink-soft);
}
.callout::before{position:absolute;inset:0 auto 0 0;width:4px;background:var(--color-signal);content:""}
.callout strong{color:var(--color-ink)}
.promo-block{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  margin-top:56px;
  padding:clamp(28px,5vw,54px);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  color:var(--color-white);
}
.promo-block h2{margin-bottom:8px;color:var(--color-white);font-size:clamp(28px,4vw,46px)}
.promo-block p{margin:0;color:var(--color-dark-soft)}
.float-cta{
  position:fixed;
  right:28px;
  bottom:calc(28px + env(safe-area-inset-bottom,0px));
  z-index:100;
  display:inline-flex;
  min-height:48px;
  align-items:center;
  gap:9px;
  padding:12px 22px;
  border:1px solid var(--color-signal);
  border-radius:var(--radius-sm);
  background:var(--color-signal);
  color:var(--color-white);
  box-shadow:0 10px 26px var(--color-signal-shadow-strong);
  font-size:14px;
  font-weight:600;
}
.float-cta:hover{border-color:var(--color-signal-deep);background:var(--color-signal-deep)}
.float-cta svg{width:17px;height:17px;flex-shrink:0}
.preview-section{padding-top:82px;padding-bottom:82px}
.preview-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.preview-heading p{max-width:520px;margin:0;color:var(--color-ink-soft)}
.swatch-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.swatch{overflow:hidden;border:1px solid var(--color-line);border-radius:var(--radius-sm);background:var(--color-canvas)}
.swatch-color{height:92px}
.swatch-info{padding:12px;font-family:var(--font-mono);font-size:10px}
.swatch-canvas{background:var(--color-canvas)}
.swatch-panel{background:var(--color-panel)}
.swatch-panel2{background:var(--color-panel-raised)}
.swatch-line{background:var(--color-line)}
.swatch-signal{background:var(--color-signal)}
.swatch-ink{background:var(--color-ink)}
.type-sample{padding-block:26px;border-top:1px solid var(--color-line)}
.type-sample:last-child{border-bottom:1px solid var(--color-line)}
.type-display{font-family:var(--font-display);font-size:clamp(36px,5vw,64px);line-height:1.1}
.type-body{font-size:18px}
.type-mono{font-family:var(--font-mono);font-size:13px;letter-spacing:.08em}
.preview-button-grid{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.preview-dark-canvas{padding:36px;border-radius:var(--radius-md);background:var(--color-panel)}
.preview-table-note{margin-top:10px;color:var(--color-ink-soft);font-size:12px}
.preview-footer{margin-top:84px}
.static-nav-spacer{margin-left:auto}
.flag-red{fill:var(--flag-red)}
.flag-red-soft{fill:var(--flag-red-soft)}
.flag-blue{fill:var(--flag-blue)}
.flag-blue-deep{fill:var(--flag-blue-deep)}
.flag-white{fill:var(--flag-white)}
@media (max-width:1080px){
  .hero{min-height:auto}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding-top:64px;padding-bottom:58px}
  .hero-stage{padding-left:0}
  .plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .swatch-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:768px){
  .hero::before{display:none}
  .hero-title-sub{font-size:clamp(24px,7.5vw,30px)}
  .hero-stage{margin-top:6px}
  .spec-row{align-items:flex-start;flex-direction:column;gap:10px}
  .spec-key{width:auto}
  .flag-list,.platform-line{gap:15px}
  .fact-strip{grid-template-columns:1fr}
  .fact-item+.fact-item{border-top:1px solid var(--color-line);border-left:0}
  .spec-layout{grid-template-columns:1fr}
  .spec-intro{position:static}
  .spec-line{grid-template-columns:44px minmax(0,1fr)}
  .spec-line p{grid-column:2}
  .plan-grid,.article-grid{grid-template-columns:1fr}
  .platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .promo-block{grid-template-columns:1fr}
  .preview-heading{align-items:flex-start;flex-direction:column}
}
@media (max-width:640px){
  .hero-inner{padding-top:42px}
  .hero-kicker{font-size:9px;letter-spacing:.07em}
  .blueprint-wrap{padding:0}
  .plan-card{padding:24px}
  .platform-grid{grid-template-columns:1fr}
  .platform-card{min-height:160px}
  .swatch-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .float-cta{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));padding-inline:18px}
  .preview-dark-canvas{padding:22px}
}