:root{
  --bg:#FBFBFA;--bg-panel:#FFFFFF;--bg-panel-2:#F3F2F0;--border:#E7E5E2;--accent:#F05A28;--accent-dark:#B93F15;--text:#141414;--text-muted:#6C6B70;--success:#1F9D55;--warn:#C98A06;--error:#D3343C;
  --text-faint:#A5A4A9;--border-soft:color-mix(in srgb,var(--border) 62%,var(--bg-panel));--lilac-mist:#E3D9F6;
  --orb-amber:#FFB27A;--orb-coral:#FF7E5A;--orb-brown:#6C3220;--orb-lilac:#BEA9EE;--orb-violet:#8C78D8;--orb-peach:#F8C3AB;--orb-pink:#F3B5D0;--orb-mocha:#8B5E50;--orb-mocha-deep:#45312C;--orb-rose:#F0C7C2;--orb-sage:#A9B6A5;--orb-sage-deep:#869485;--orb-pearl:#F4F2ED;--orb-lemon:#F3E4A0;
  --flag-red:#D63A3F;--flag-blue:#26408A;--flag-white:#FFFFFF;
  --glass:color-mix(in srgb,var(--bg-panel) 72%,transparent);--hi:color-mix(in srgb,var(--bg-panel) 85%,transparent);--veil:color-mix(in srgb,var(--text) 28%,transparent);
  --font-display:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --r-pill:999px;--r-card:32px;--r-bed:26px;--r-small:16px;--r-circle:50%;
  --shadow-card:0 56px 100px -40px color-mix(in srgb,var(--accent) 12%,transparent),0 20px 44px -26px color-mix(in srgb,var(--accent) 10%,transparent),0 1px 2px color-mix(in srgb,var(--text) 5%,transparent);
  --shadow-chip:0 16px 34px -14px color-mix(in srgb,var(--accent) 14%,transparent),0 1px 2px color-mix(in srgb,var(--text) 6%,transparent);
  --shadow-pill:0 1px 2px color-mix(in srgb,var(--text) 6%,transparent),0 8px 18px -10px color-mix(in srgb,var(--accent) 16%,transparent);
  --gutter:24px;--content-width:1200px;--header-height:72px;--anchor-offset:88px;--toc-offset:152px;
  --size-body:16px;--size-small:14px;--size-display:clamp(52px,5.2vw + 4px,68px);--size-section:clamp(30px,3.5vw,48px);--weight-regular:400;--weight-medium:500;--weight-semibold:600;
  --duration-fast:.18s;--duration-reveal:.35s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:var(--anchor-offset);scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:var(--size-body);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button,a,summary{-webkit-tap-highlight-color:transparent}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:3px}
button{border:0;background:transparent}
button:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed}
[hidden]{display:none!important}
img{display:block;max-width:100%;height:auto}
svg{display:block;flex-shrink:0}
ul{list-style:none;margin:0;padding:0}
p{margin:0 0 1em}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:var(--weight-regular);overflow-wrap:break-word;text-wrap:balance}
h1{font-size:var(--size-display);line-height:1.1;letter-spacing:-.02em}
h2{font-size:var(--size-section);line-height:1.2;letter-spacing:-.02em;margin:0 0 24px}
h3{font-size:22px;line-height:1.35;margin:0 0 16px}
:where(main,section,article,aside,div,li){min-width:0}
.wrap{width:100%;max-width:calc(var(--content-width) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-top:72px;padding-bottom:72px}
.stack{display:grid;gap:24px}
.grid-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.no-break{white-space:nowrap}
.muted{color:var(--text-muted)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.prose{max-width:800px;overflow-wrap:break-word}
.prose p,.prose li{line-height:1.85}
.prose ul{list-style:disc;padding-left:1.5em;margin-bottom:24px}
.prose ol{padding-left:1.5em}
.prose h2{margin-top:56px}
.prose h3{margin-top:32px}
.prose a:not(.btn){text-decoration:underline;text-underline-offset:4px}
code{font-family:var(--font-mono);overflow-wrap:anywhere;background:var(--bg-panel-2);border-radius:var(--r-small);padding:2px 5px}
pre{max-width:100%;overflow-x:auto;padding:24px;background:var(--bg-panel-2);border-radius:var(--r-small)}
pre code{padding:0;white-space:pre;overflow-wrap:normal}
.panel,.card{padding:28px;border-radius:var(--r-card);background:var(--bg-panel);box-shadow:inset 0 0 0 1px var(--border-soft),var(--shadow-chip)}
.panel-soft{background:var(--bg-panel-2);box-shadow:inset 0 1px 0 var(--hi)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:var(--size-body);font-weight:var(--weight-medium);line-height:1;white-space:nowrap;flex-shrink:0;max-width:100%;transition:background var(--duration-fast),box-shadow var(--duration-fast)}
.btn svg{width:18px;height:18px}
.btn-ink,.btn-primary{background:var(--text);color:var(--bg-panel);box-shadow:0 12px 24px -12px color-mix(in srgb,var(--text) 55%,transparent)}
.btn-ink:hover,.btn-primary:hover{background:color-mix(in srgb,var(--text) 86%,var(--accent-dark))}
.btn-line,.btn-secondary{background:var(--bg-panel);color:var(--text);box-shadow:inset 0 0 0 1px var(--border),0 1px 2px color-mix(in srgb,var(--text) 5%,transparent)}
.btn-line:hover,.btn-secondary:hover{box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--text) 26%,var(--border))}
.btn:active{transform:translateY(1px)}
.cta-pair{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge{display:inline-flex;align-items:center;gap:10px;min-height:30px;padding:4px 14px 4px 6px;border-radius:var(--r-pill);background:var(--glass);box-shadow:inset 0 0 0 1px var(--border),var(--shadow-pill);font-size:13px;line-height:1.3;color:var(--text-muted);max-width:100%;overflow-wrap:anywhere}
.badge b{color:var(--text);font-weight:var(--weight-semibold)}
.badge-orb{flex-shrink:0;width:18px;height:18px;border-radius:var(--r-circle);background:radial-gradient(circle at 34% 30%,var(--orb-pearl) 0%,transparent 38%),radial-gradient(circle at 70% 70%,var(--orb-peach),transparent 60%),radial-gradient(circle at 50% 50%,var(--orb-lilac),var(--orb-violet))}
.badge-sep{width:1px;height:12px;background:var(--border);flex-shrink:0}
.sky{position:relative;overflow-x:clip;max-width:100%;background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 5%,var(--bg)) 0%,var(--bg) 64%)}
.sky::before{content:"";position:absolute;inset:-180px 3% auto 50%;height:620px;background:radial-gradient(closest-side,color-mix(in srgb,var(--lilac-mist) 85%,transparent),transparent);pointer-events:none}
.topbar,#site-header{position:relative;z-index:30}
.topbar-in{display:flex;align-items:center;height:var(--header-height);gap:24px;flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:20px;font-weight:var(--weight-semibold);letter-spacing:-.02em;line-height:1;white-space:nowrap;flex-shrink:0}
.brand img{width:28px;height:28px}
.navrail{flex:1;min-width:0}
.topbar-in .navrail ul{display:flex;flex-wrap:nowrap;align-items:center;list-style:none;margin:0;padding:0;gap:2px}
.navrail a{display:flex;align-items:center;gap:6px;min-height:36px;padding:0 10px;border-radius:var(--r-pill);font-size:var(--size-small);line-height:1.25;color:var(--text-muted);white-space:nowrap}
.navrail a svg{width:16px;height:16px}
.navrail a:hover{color:var(--text)}
.navrail a[aria-current="page"]{color:var(--text);background:var(--glass);box-shadow:inset 0 0 0 1px var(--border-soft)}
.topbar-end{margin-left:auto;display:flex;align-items:center;gap:8px;flex-shrink:0}
.language{position:relative}
.lang{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;width:auto;padding:0 12px;border-radius:var(--r-pill);font-size:var(--size-small);color:var(--text-muted);white-space:nowrap}
.lang span{white-space:nowrap}
.lang svg{width:16px;height:16px}
.lang:hover{color:var(--text)}
.language-menu{position:absolute;top:calc(100% + 10px);right:0;width:180px;padding:8px;z-index:60;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-small);box-shadow:var(--shadow-chip)}
.language-menu a{display:flex;align-items:center;min-height:44px;padding:8px 12px;border-radius:var(--r-small);font-size:var(--size-small)}
.language-menu a:hover,.language-menu a[aria-current="true"]{background:var(--bg-panel-2)}
.login{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 18px 0 16px;border-radius:var(--r-pill);background:var(--text);color:var(--bg-panel);font-size:var(--size-small);font-weight:var(--weight-medium);line-height:1;white-space:nowrap}
.login svg{width:16px;height:16px}
.login:hover{background:color-mix(in srgb,var(--text) 86%,var(--accent-dark))}
.menu-toggle{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:var(--r-pill);color:var(--text);background:var(--bg-panel);box-shadow:inset 0 0 0 1px var(--border)}
.menu-toggle svg{width:20px;height:20px}
.mobile-drawer{position:fixed;top:var(--header-height);right:0;left:0;height:calc(100dvh - var(--header-height));max-height:calc(100dvh - var(--header-height));overflow-y:auto;overscroll-behavior:contain;background:var(--bg-panel);z-index:29;padding:16px var(--gutter) 32px}
.mobile-drawer a{display:flex;align-items:center;gap:12px;width:100%;min-height:48px;padding:12px 16px;border-radius:var(--r-small)}
.mobile-drawer a svg{width:18px;height:18px}
.mobile-drawer a:hover,.mobile-drawer a[aria-current="page"]{background:var(--bg-panel-2)}
.drawer-languages{border-top:1px solid var(--border);margin-top:16px;padding-top:16px}
.nav-veil{position:fixed;inset:var(--header-height) 0 0;background:var(--veil);z-index:28}
html.nav-open{overflow:hidden}
.hero{position:relative;z-index:1;padding-top:28px;padding-bottom:36px}
.hero-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,520px);column-gap:64px;align-items:end}
.hero-copy,.hero-aside{position:relative;z-index:2}
.title{margin:20px 0 0;font-family:var(--font-display);font-weight:var(--weight-regular);font-size:var(--size-display);line-height:1.02;letter-spacing:-.03em}
.title-line{display:block}
.lede{margin:0;font-size:18px;line-height:1.6;color:var(--text)}
.lede strong{font-weight:var(--weight-semibold)}
.trust{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin-top:20px;font-size:var(--size-small);line-height:22px;color:var(--text-muted)}
.trust li{display:flex;align-items:center;gap:12px;white-space:nowrap}
.trust li+li::before{content:"";width:3px;height:3px;border-radius:var(--r-circle);background:var(--text-faint);flex-shrink:0}
.plats{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border-soft)}
.plats li{display:flex;align-items:center;gap:7px;font-size:var(--size-small);line-height:20px;color:var(--text-muted)}
.plats li:hover{color:var(--text)}
.plats svg{width:18px;height:18px}
.site-footer{padding-top:56px;padding-bottom:24px;background:var(--bg-panel-2);border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--text-muted);margin-top:20px;max-width:320px;font-size:var(--size-small)}
.footer-title{font-size:var(--size-body);font-weight:var(--weight-medium);margin-bottom:16px}
.footer-links{display:grid;gap:6px}
.footer-links a{display:inline-flex;align-items:center;min-height:28px;font-size:var(--size-small);color:var(--text-muted);overflow-wrap:anywhere}
.footer-links a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px 24px;border-top:1px solid var(--border);padding-top:24px;margin-top:40px;font-size:var(--size-small);color:var(--text-muted)}
.footer-legal{display:flex;flex-wrap:wrap;gap:24px}
.footer-legal a{display:inline-flex;align-items:center;min-height:28px}
.reveal{transition:opacity var(--duration-reveal) ease,transform var(--duration-reveal) ease}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
#server-status{position:relative;display:block;min-height:120px;overflow:hidden;max-width:100%;margin-top:24px;margin-bottom:32px}
#server-status>*{max-width:100%;min-width:0}
@media(max-width:1320px){.topbar-in{gap:16px}.navrail a{padding-inline:7px;gap:5px}.lang{padding-inline:8px}}
@media(max-width:1180px){.navrail{display:none}.menu-toggle{display:inline-flex}}
@media(max-width:1000px){.hero-top{grid-template-columns:minmax(0,1fr);row-gap:28px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:768px){
  :root{--header-height:64px;--anchor-offset:80px;--toc-offset:144px;--size-display:40px}
  .topbar-in{gap:12px}.topbar-end{margin-left:auto;gap:4px}.lang svg{display:none}.lang{padding-inline:8px}
  .hero{padding-top:16px;padding-bottom:32px}.title{font-size:40px;margin-top:16px}.cta-pair{margin-top:24px}.lede{font-size:17px}
  .grid-three,.grid-two{grid-template-columns:minmax(0,1fr)}.section{padding-top:48px;padding-bottom:48px}
}
@media(max-width:640px){
  :root{--gutter:16px}
  .no-break{white-space:normal}
  .tilt,[data-tilt]{transform:none}
  .sky,.decoration-zone{max-width:100%;overflow-x:clip}
  .brand{font-size:18px;gap:6px}.brand img{width:24px;height:24px}
  .topbar-in{gap:6px}.login{padding-inline:12px}.login svg{display:none}.lang{font-size:12px;padding-inline:4px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}.panel,.card{padding:24px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:0s!important;animation:none!important}
  .reveal,.reveal.pending,.reveal.shown{opacity:1;transform:none}
}