:root{
  --color-bg:#DFE5EF;
  --color-hero-top:#E6EBF4;
  --color-hero-bottom:#D6DDE9;
  --color-panel:#F4F7FB;
  --color-panel-deep:#CDD6E3;
  --color-panel-sunk:#E9EEF6;
  --color-border:#B9C4D6;
  --color-border-soft:rgba(185,196,214,.62);
  --color-text:#171A21;
  --color-accent:#262B36;
  --color-accent-companion:#2C3550;
  --color-accent-dark:#14171E;
  --color-muted:#5B6578;
  --color-success:#2E9E6E;
  --color-success-soft:rgba(46,158,110,.18);
  --color-warn:#C9931B;
  --color-error:#C4453A;
  --color-shadow:rgba(38,43,54,.12);
  --color-shadow-soft:rgba(38,43,54,.06);
  --color-highlight:rgba(255,255,255,.70);
  --color-highlight-soft:rgba(255,255,255,.14);
  --color-grid:rgba(38,43,54,.04);
  --color-panel-glass:rgba(244,247,251,.55);
  --font-display:'Inter','Noto Sans SC','Noto Sans JP','Noto Sans KR','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-body:'Inter','Noto Sans SC','Noto Sans JP','Noto Sans KR','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','SFMono-Regular',Menlo,Consolas,'Liberation Mono',monospace;
  --radius-xs:4px;
  --radius-sm:6px;
  --radius-md:8px;
  --radius-lg:10px;
  --radius-pill:999px;
  --shadow-panel:0 24px 60px var(--color-shadow),0 2px 6px var(--color-shadow-soft);
  --shadow-card:0 16px 40px var(--color-shadow),0 2px 6px var(--color-shadow-soft);
  --shadow-button:0 10px 24px rgba(38,43,54,.18),0 1px 2px var(--color-shadow);
  --content-width:1244px;
  --reading-width:780px;
  --header-height:60px;
  --gutter:32px;
  --section-space:96px;
  --focus-width:2px;
  --workbench-height:clamp(340px,42vh,470px);
}
*,
*::before,
*::after{box-sizing:border-box}
html{
  margin:0;
  padding:0;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-height) + 16px);
}
html.nav-open{overflow:hidden}
body{
  margin:0;
  min-width:320px;
  padding:0;
  overflow-x:clip;
  background:var(--color-bg);
  color:var(--color-text);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body,
main,
section,
article,
aside,
header,
footer,
nav,
div{min-width:0}
img,
svg,
video{max-width:100%}
img{height:auto}
svg{flex-shrink:0}
button,
input,
select,
textarea{font:inherit}
button{color:inherit}
a{color:inherit;text-underline-offset:.2em}
ul,
ol{margin-top:0}
ul[role="list"],
.clean-list{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
code,
kbd,
samp,
pre{font-family:var(--font-mono)}
code{overflow-wrap:anywhere}
pre{
  max-width:100%;
  overflow-x:auto;
  padding:18px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-accent-dark);
  color:var(--color-panel);
  -webkit-overflow-scrolling:touch;
}
::selection{background:var(--color-accent);color:var(--color-panel)}
:focus-visible{
  outline:var(--focus-width) solid var(--color-accent);
  outline-offset:3px;
}
.wrap{
  width:100%;
  max-width:var(--content-width);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.reading{
  width:100%;
  max-width:var(--reading-width);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{
  padding-top:var(--section-space);
  padding-bottom:var(--section-space);
}
.section-compact{
  padding-top:56px;
  padding-bottom:56px;
}
.eyebrow,
.mono-label{
  margin:0 0 12px;
  color:var(--color-muted);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
h1,
h2,
h3,
h4{
  margin-top:0;
  color:var(--color-text);
  font-family:var(--font-display);
  text-wrap:balance;
}
h1{
  font-size:clamp(52px,5vw,68px);
  line-height:1.1;
  letter-spacing:-.02em;
}
h2{
  font-size:clamp(34px,3.4vw,48px);
  line-height:1.16;
  letter-spacing:-.02em;
}
h3{
  font-size:clamp(22px,2vw,28px);
  line-height:1.25;
  letter-spacing:-.01em;
}
p{margin-top:0}
.lead{
  max-width:760px;
  color:var(--color-muted);
  font-size:clamp(17px,1.7vw,21px);
  line-height:1.65;
}
.lead strong,
.two-tone strong{color:var(--color-text);font-weight:600}
.two-tone{color:var(--color-muted)}
.no-break{white-space:nowrap}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--color-muted)}
.text-link{font-weight:600;text-decoration-thickness:1px}
.btn{
  display:inline-flex;
  min-width:24px;
  min-height:42px;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:9px 22px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  cursor:pointer;
  font-size:14px;
  font-weight:600;
  line-height:1;
  text-align:center;
  text-decoration:none;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.btn svg{width:14px;height:14px}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  color:var(--color-panel);
  background:linear-gradient(180deg,var(--color-accent),var(--color-accent-companion));
  box-shadow:inset 0 1px 0 var(--color-highlight-soft),var(--shadow-button);
}
.btn-primary:hover{box-shadow:inset 0 1px 0 var(--color-highlight-soft),0 14px 28px rgba(38,43,54,.22)}
.btn-secondary{
  border-color:var(--color-border);
  background:var(--color-panel-glass);
  box-shadow:inset 0 1px 0 var(--color-highlight);
  color:var(--color-text);
}
.btn-secondary:hover{background:var(--color-panel)}
.btn-small{min-height:32px;padding:7px 15px;font-size:13px}
.btn[aria-disabled="true"],
.btn:disabled{cursor:not-allowed;opacity:.55;transform:none}
.badge,
.chip{
  display:inline-flex;
  max-width:100%;
  min-height:26px;
  align-items:center;
  gap:8px;
  overflow:hidden;
  padding:4px 11px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-pill);
  background:var(--color-panel);
  box-shadow:inset 0 1px 0 var(--color-highlight),0 1px 2px var(--color-shadow-soft);
  color:var(--color-muted);
  font-size:12px;
  line-height:1.3;
}
.badge-dot{
  width:7px;
  height:7px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--color-success);
}
.panel,
.card{
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  box-shadow:inset 0 1px 0 var(--color-highlight),0 10px 30px var(--color-shadow-soft);
}
.card{padding:28px}
.grid{display:grid;gap:24px}
.grid > *{min-width:0}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.reveal{transition:opacity .7s ease,transform .7s ease}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
#server-status{
  position:relative;
  display:block;
  width:100%;
  margin-top:32px;
  margin-bottom:32px;
  overflow:hidden;
}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  min-height:var(--header-height);
  border-bottom:1px solid var(--color-border-soft);
  background:rgba(230,235,244,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.header-inner{
  display:flex;
  min-height:var(--header-height);
  align-items:center;
  gap:24px;
}
.site-brand{
  display:inline-flex;
  min-height:32px;
  align-items:center;
  gap:9px;
  flex-shrink:0;
  font-weight:700;
  text-decoration:none;
}
.site-brand img{display:block;width:28px;height:28px}
.brand-local{color:var(--color-muted);font-weight:500}
.desktop-nav{
  display:flex;
  align-self:stretch;
  align-items:stretch;
  margin-left:auto;
}
.desktop-nav a{
  position:relative;
  display:inline-flex;
  min-height:44px;
  align-items:center;
  justify-content:center;
  padding-inline:9px;
  color:var(--color-muted);
  font-size:13px;
  text-decoration:none;
}
.desktop-nav a:hover,
.desktop-nav a[aria-current="page"]{color:var(--color-text)}
.desktop-nav a[aria-current="page"]::after{
  content:"";
  position:absolute;
  right:9px;
  bottom:-1px;
  left:9px;
  height:2px;
  border-radius:var(--radius-xs) var(--radius-xs) 0 0;
  background:var(--color-accent);
}
.header-tools{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  padding-left:14px;
}
.header-tools::before{
  content:"";
  position:absolute;
  top:50%;
  left:0;
  width:1px;
  height:20px;
  transform:translateY(-50%);
  background:var(--color-border);
}
.language-picker{position:relative}
.language-toggle{
  display:inline-flex;
  min-width:44px;
  min-height:32px;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:6px 10px;
  border:0;
  border-radius:var(--radius-pill);
  background:transparent;
  color:var(--color-muted);
  cursor:pointer;
}
.language-menu{
  position:absolute;
  top:calc(100% + 9px);
  right:0;
  z-index:55;
  display:none;
  width:156px;
  padding:6px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  background:var(--color-panel);
  box-shadow:var(--shadow-card);
}
.language-picker.is-open .language-menu{display:block}
.language-menu a{
  display:flex;
  min-height:38px;
  align-items:center;
  padding:7px 10px;
  border-radius:var(--radius-sm);
  color:var(--color-muted);
  text-decoration:none;
}
.language-menu a:hover,
.language-menu a[aria-current="true"]{background:var(--color-panel-sunk);color:var(--color-text)}
.header-login{
  display:inline-flex;
  min-height:32px;
  align-items:center;
  justify-content:center;
  padding:7px 15px;
  border-radius:var(--radius-pill);
  background:var(--color-accent);
  box-shadow:inset 0 1px 0 var(--color-highlight-soft);
  color:var(--color-panel);
  font-size:13px;
  font-weight:600;
  text-decoration:none;
}
.menu-toggle{
  display:none;
  min-width:44px;
  min-height:44px;
  align-items:center;
  justify-content:center;
  padding:0;
  border:0;
  background:transparent;
  cursor:pointer;
}
.menu-toggle svg{width:22px;height:22px}
.mobile-nav{
  position:fixed;
  top:var(--header-height);
  right:0;
  left:0;
  z-index:54;
  display:none;
  max-height:calc(100dvh - var(--header-height));
  overflow-y:auto;
  overscroll-behavior:contain;
  padding:12px var(--gutter) 20px;
  border-bottom:1px solid var(--color-border);
  background:var(--color-panel);
  box-shadow:var(--shadow-card);
}
.mobile-nav.is-open{display:block}
.mobile-nav a{
  display:flex;
  width:100%;
  min-height:44px;
  align-items:center;
  padding:10px 12px;
  border-bottom:1px solid var(--color-border-soft);
  color:var(--color-text);
  text-decoration:none;
}
.mobile-nav a[aria-current="page"]{font-weight:700}
.mobile-language{margin-top:10px}
.mobile-language strong{
  display:block;
  padding:8px 12px;
  color:var(--color-muted);
  font-size:12px;
}
.nav-veil{
  position:fixed;
  inset:var(--header-height) 0 0;
  z-index:49;
  display:none;
  border:0;
  background:var(--color-shadow);
}
.nav-veil.is-open{display:block}
.site-footer{
  border-top:1px solid var(--color-border);
  background:var(--color-panel-deep);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.25fr 1fr 1fr 1fr;
  gap:40px;
  padding-top:64px;
  padding-bottom:48px;
}
.footer-brand p{max-width:350px;color:var(--color-muted)}
.footer-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.footer-links{margin:0;padding:0;list-style:none}
.footer-links li+li{margin-top:8px}
.footer-links a{color:var(--color-muted);text-decoration:none}
.footer-links a:hover{color:var(--color-text)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-top:20px;
  padding-bottom:24px;
  border-top:1px solid var(--color-border);
  color:var(--color-muted);
  font-size:12px;
}
.footer-legal,
.footer-languages{display:flex;flex-wrap:wrap;gap:10px 18px}
.footer-bottom a{text-decoration:none}
@media (max-width:1100px){
  .desktop-nav a{padding-inline:7px;font-size:12px}
  .header-inner{gap:14px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .desktop-nav{display:none}
  .header-tools{margin-left:auto}
  .language-picker{display:none}
  .menu-toggle{display:inline-flex}
}
@media (max-width:768px){
  :root{
    --gutter:20px;
    --section-space:72px;
  }
  h1{font-size:clamp(32px,9vw,40px);line-height:1.12}
  h2{font-size:clamp(28px,7.5vw,36px)}
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  :root{--gutter:16px}
  .no-break{white-space:normal}
  .grid-2{grid-template-columns:1fr}
  .btn{max-width:100%}
  .tilt,
  [class*="tilt"]{transform:none}
  .decor,
  [data-motion-parallax]{max-width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{align-items:flex-start;flex-direction:column}
  .header-login{padding-inline:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{animation:none!important;transition:none!important}
  .reveal,
  .reveal.pending{opacity:1!important;transform:none!important}
}