:root{
  --bg:#E5ECF6;--bg-top:#EEF3FA;--bg-bottom:#DFE7F3;
  --panel:#F6F9FE;--panel-2:#D8E2F1;--panel-3:#DCE5F3;
  --border:#C7D3E6;--border-soft:#CCD7E8;
  --accent:#6247F2;--accent-dark:#4128C2;--pink:#D24FC8;
  --accent-tint:#ECE8FE;--accent-tint-line:#D4CBFB;
  --ink:#161A33;--ink-2:#1C2140;--ink-3:#242A4C;--ink-deep:#0C0F22;--ink-well:#10132B;
  --text:#141A2E;--text-2:#2C3552;--muted:#556179;--muted-2:#7A86A1;
  --on-ink:#E7EAF7;--on-ink-muted:#A2A9C7;--on-ink-faint:#6E769A;--on-accent-soft:#DDD6FF;
  --success:#1E9E6A;--success-lit:#37C98A;--warn:#C98512;--error:#D23F4A;
  --white:#FFFFFF;--clear:transparent;
  --white-03:rgba(255,255,255,.03);--white-05:rgba(255,255,255,.05);--white-07:rgba(255,255,255,.07);
  --white-10:rgba(255,255,255,.10);--white-14:rgba(255,255,255,.14);--white-26:rgba(255,255,255,.26);--white-70:rgba(255,255,255,.70);
  --accent-08:rgba(98,71,242,.08);--accent-10:rgba(98,71,242,.10);--accent-14:rgba(98,71,242,.14);
  --accent-22:rgba(98,71,242,.22);--accent-30:rgba(98,71,242,.30);--accent-45:rgba(98,71,242,.45);
  --pink-14:rgba(210,79,200,.14);--pink-0:rgba(210,79,200,0);
  --ink-08:rgba(22,26,51,.08);--ink-20:rgba(22,26,51,.20);--text-06:rgba(20,26,46,.06);--success-24:rgba(55,201,138,.24);
  --slider-a:#7C6AF2;--slider-b:#B56BC6;
  --flag-red:#D52B3A;--flag-white:#FFFFFF;--flag-navy:#22306E;--flag-blue:#2B4C98;
  --font-display:'Inter','Noto Sans SC','PingFang SC','Hiragino Sans','Microsoft YaHei',system-ui,sans-serif;
  --font-body:'Inter','Noto Sans SC','PingFang SC','Hiragino Sans','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,'Noto Sans SC',monospace;
  --r-xs:4px;--r-sm:7px;--r-md:9px;--r-lg:12px;--r-hero:28px;--r-mobile:22px;--r-window:16px;--r-pill:999px;--r-circle:50%;
  --gutter:32px;--wrap:1344px;--header-height:64px;--anchor-gap:80px;--toc-offset:16px;--section-anchor:104px;
  --body-size:15px;--body-leading:1.6;--h1-size:clamp(52px,4.6vw,68px);--h2-size:30px;--h3-size:21px;
  --weight-body:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--weight-heavy:800;--weight-display:900;
  --shadow-card:0 18px 38px -22px var(--accent-22),inset 0 1px 0 var(--white-70);
  --shadow-panel:0 28px 64px -30px var(--accent-14);
  --ease: .15s ease;--reveal-time:.35s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:var(--anchor-gap);scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:var(--body-size);line-height:var(--body-leading);color:var(--text);background:linear-gradient(180deg,var(--bg-top) 0,var(--bg-bottom) 860px,var(--bg) 1120px) no-repeat,var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button,input,select,textarea{border:1px solid var(--border);border-radius:var(--r-sm);background:var(--panel)}
button{min-height:24px}
button:disabled,[aria-disabled="true"]{cursor:not-allowed}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--r-sm)}
[hidden]{display:none!important}
img{max-width:100%;height:auto}
svg{flex-shrink:0}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--text);text-wrap:balance}
h1{font-size:var(--h1-size);font-weight:var(--weight-display);line-height:1.12;letter-spacing:-.02em;margin:0 0 24px}
h2{font-size:var(--h2-size);font-weight:var(--weight-heavy);line-height:1.3;letter-spacing:-.02em;margin:0 0 16px}
h3{font-size:var(--h3-size);font-weight:var(--weight-bold);line-height:1.4;margin:0 0 12px}
code,kbd,pre,.mono{font-family:var(--font-mono)}
code{overflow-wrap:anywhere;font-size:.9em;background:var(--accent-08);border-radius:var(--r-xs);padding:2px 5px}
pre{max-width:100%;overflow-x:auto;padding:20px;background:var(--panel-2);border:1px solid var(--border);border-radius:var(--r-md)}
pre code{padding:0;background:var(--clear);overflow-wrap:normal;white-space:pre}
.no-break{white-space:nowrap}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-top:56px;padding-bottom:56px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
:where(.grid-3,.grid-5,.panel,.card,.stable,.feature-layout,.feature-body,.footer-grid)>*{min-width:0}
.stack>*+*{margin-top:20px}
.muted{color:var(--muted)}
.small{font-size:13px}
.card,.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-card);padding:24px;min-width:0}
.panel{border-radius:var(--r-lg);box-shadow:var(--shadow-panel)}
.prose{max-width:840px;min-width:0;overflow-wrap:anywhere}
.prose p,.prose ul,.prose ol{margin-bottom:20px}
.prose h2{margin-top:44px}
.prose h3{margin-top:28px}
.prose ul{list-style:disc;padding-left:24px}
.prose ol{list-style:decimal;padding-left:24px}
.prose a{text-decoration:underline;text-underline-offset:4px;color:var(--accent-dark)}
.prose li+li{margin-top:8px}
.btn,.btn-ink,.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:10px 24px;border-radius:var(--r-md);font-weight:var(--weight-bold);font-size:16px;line-height:1.4;flex-shrink:0;white-space:nowrap;border:1px solid var(--clear);transition:background-color var(--ease),border-color var(--ease),color var(--ease)}
.btn-ink,.btn-primary{background:var(--ink);color:var(--white);box-shadow:inset 0 1px 0 var(--white-14)}
.btn-ink{height:50px;letter-spacing:.02em}
.btn-ink:hover,.btn-primary:hover,.btn-primary.is-hover{background:var(--ink-3)}
.btn-primary:active,.btn-primary.is-active{background:var(--ink-well)}
.btn-secondary{background:var(--panel);color:var(--text);border-color:var(--border)}
.btn-secondary:hover{background:var(--panel-2);border-color:var(--accent)}
.btn:disabled,.btn-primary:disabled{background:var(--panel-2);color:var(--muted);border-color:var(--border);box-shadow:none}
.btn svg,.btn-ink svg{width:16px;height:16px}
.cta-row{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:26px}
.cta-or{font-size:15px;color:var(--muted-2)}
.cta-link{display:inline-flex;align-items:center;min-height:24px;font-size:16px;font-weight:var(--weight-semibold);color:var(--text);text-decoration:underline;text-decoration-color:var(--border);text-decoration-thickness:2px;text-underline-offset:7px;transition:text-decoration-color var(--ease)}
.cta-link:hover{text-decoration-color:var(--accent)}
#site-header,.topbar{position:relative;z-index:60}
.topbar-in{position:relative;z-index:53;display:flex;align-items:center;height:var(--header-height);gap:16px;flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{display:block;width:32px;height:32px;filter:drop-shadow(0 6px 10px var(--accent-22))}
.brand-word{font-family:var(--font-display);font-weight:var(--weight-heavy);font-size:19px;letter-spacing:-.01em;color:var(--text)}
.mainnav{margin-left:36px;flex:1;min-width:0}
.mainnav ul{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:2px}
.mainnav a{display:block;padding:7px 14px;border-radius:var(--r-pill);font-size:14.5px;font-weight:var(--weight-medium);color:var(--muted);white-space:nowrap;transition:color var(--ease),background-color var(--ease)}
.mainnav a:hover{color:var(--text)}
.mainnav a.is-current{color:var(--text);font-weight:var(--weight-semibold);background:var(--panel);box-shadow:0 0 0 1px var(--border),0 6px 14px -6px var(--accent-22)}
.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:7px 12px;border:0;border-radius:var(--r-pill);font-size:14px;color:var(--muted);background:var(--clear)}
.lang span{white-space:nowrap}
.lang:hover{background:var(--panel);color:var(--text)}
.lang svg{width:15px;height:15px}
.language-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:80;min-width:180px;padding:8px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-panel)}
.language-panel a{display:flex;align-items:center;width:100%;min-height:44px;padding:8px 12px;border-radius:var(--r-sm)}
.language-panel a:hover,.language-panel a[aria-current]{color:var(--accent-dark);background:var(--accent-tint)}
.login{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 20px;border-radius:var(--r-md);background:var(--ink);color:var(--white);font-size:14px;font-weight:var(--weight-semibold);letter-spacing:.02em;white-space:nowrap;transition:background-color var(--ease)}
.login:hover{background:var(--ink-3)}
.menu-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;min-width:44px;min-height:44px;padding:10px;background:var(--panel);color:var(--text)}
.menu-line{display:block;width:20px;height:2px;background:currentColor;border-radius:var(--r-xs)}
.nav-drawer{position:fixed;top:var(--header-height);left:0;right:0;z-index:52;height:calc(100dvh - var(--header-height));max-height:calc(100dvh - var(--header-height));overflow-y:auto;overscroll-behavior:contain;padding:16px var(--gutter) 32px;background:var(--panel);border-top:1px solid var(--border)}
.nav-drawer a{display:flex;align-items:center;width:100%;min-height:44px;padding:12px 16px;border-radius:var(--r-md);color:var(--muted)}
.nav-drawer a:hover,.nav-drawer a.is-current{background:var(--accent-tint);color:var(--accent-dark)}
.drawer-languages{padding-top:16px;margin-top:16px;border-top:1px solid var(--border)}
.nav-veil{position:fixed;top:var(--header-height);inset-inline:0;bottom:0;z-index:51;background:var(--ink-20);border:0;border-radius:0}
html.nav-open{overflow:hidden}
.site-footer{margin-top:56px;padding-top:48px;padding-bottom:24px;background:var(--ink);color:var(--on-ink-muted)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.site-footer .brand-word{color:var(--white)}
.footer-brand p{max-width:340px;margin-top:18px}
.footer-heading{font-size:14px;font-weight:var(--weight-bold);color:var(--on-ink);margin:0 0 14px}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px}
.footer-links a,.footer-languages a,.footer-legal a{display:inline-flex;align-items:center;min-height:32px;font-size:13px}
.site-footer a:hover{color:var(--white)}
.footer-languages,.footer-bottom,.footer-legal{display:flex;align-items:center;flex-wrap:wrap;gap:8px 20px}
.footer-languages{margin-top:32px;padding-top:20px;border-top:1px solid var(--white-10)}
.footer-languages a[aria-current]{color:var(--white);text-decoration:underline;text-underline-offset:5px}
.footer-bottom{justify-content:space-between;margin-top:20px;font-size:12px}
.reveal{transition:opacity var(--reveal-time) ease,transform var(--reveal-time) 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+*{margin-top:32px}
#server-status :where(.server-grid,.servers-grid){display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px}
#server-status :where(.server-grid,.servers-grid)>*{min-width:0}
.svg-defs{position:absolute;width:0;height:0;overflow:hidden}
.flag{flex:none;display:inline-flex;width:21px;height:14px;border-radius:var(--r-xs);overflow:hidden;box-shadow:0 0 0 1px var(--border)}
.flag svg{display:block;width:100%;height:100%}
.fr{fill:var(--flag-red)}.fw{fill:var(--flag-white)}.fn{fill:var(--flag-navy)}.fb{fill:var(--flag-blue)}
@media(max-width:1340px){
  .mainnav{margin-left:16px}
  .mainnav a{padding-inline:10px}
}
@media(max-width:1200px){
  .mainnav{display:none}
  .menu-toggle{display:inline-flex}
  .topbar-end{margin-left:auto}
}
@media(min-width:1201px){.nav-drawer,.nav-veil{display:none!important}}
@media(max-width:900px){
  .grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:768px){
  h1{font-size:40px}
  h2{font-size:26px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .section{padding-top:36px;padding-bottom:36px}
}
@media(max-width:640px){
  :root{--gutter:16px}
  .no-break{white-space:normal}
  h1{font-size:36px}
  .tilt,[data-tilt]{transform:none}
  .grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topbar-in{gap:8px}
  .brand{gap:6px}
  .brand-mark{width:28px;height:28px}
  .brand-word{font-size:16px}
  .topbar-end{gap:4px;margin-left:auto}
  .login{padding-inline:12px;font-size:13px}
  .lang{min-width:32px;padding-inline:6px}
  .lang span{display:none}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-brand{grid-column:auto}
  .card,.panel{padding:20px}
  .decoration,.stripe-halo{max-width:100%}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal,.reveal.pending{opacity:1;transform:none}
}