:root{
  --bg:#F5EADB;--bg-panel:#FCF7EF;--bg-panel-2:#EEE1CE;--border:#E2D2BC;--border-strong:#D2BEA3;
  --accent:#4B3C9A;--accent-dark:#33286F;--lavender:#8C7DD4;--apricot:#F3CBA4;--apricot-deep:#E4AA7E;--mist:#B8ADCB;--coral:#E0785A;
  --text:#2A2018;--text-muted:#6E5E4E;--text-soft:#8F7E6B;--success:#2F8A5B;--warn:#C7861E;--error:#B9402F;
  --ink-bar:#2A2240;--ink-bar-deep:#1E182F;--ink-line:#3C3357;--on-ink:#F5EFFA;--on-ink-muted:#C9BFDB;
  --hero-top:#FBF5EC;--hero-bottom:#F1E4D1;--white:#FFFFFF;--flag-red:#D13A31;--flag-blue:#2F3A7A;--flag-white:#FFFFFF;
  --font-display:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans","Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans","Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --r-xs:4px;--r-sm:8px;--r-glass:6px;--r-glass-lg:10px;--r-pill:999px;
  --tint-12:color-mix(in srgb,var(--accent) 12%,transparent);--tint-14:color-mix(in srgb,var(--accent) 14%,transparent);
  --edge:color-mix(in srgb,var(--white) 72%,transparent);
  --panel-shadow:inset 0 1px 0 var(--edge),0 24px 56px -24px var(--tint-12);
  --wrap:1240px;--gutter:40px;--head-height:72px;--anchor-gap:88px;--toc-gap:152px;
  --weight-body:400;--weight-medium:500;--weight-semi:600;--weight-bold:700;--weight-display:800;
  --size-body:16px;--size-small:14px;--size-h1:clamp(52px,4.6vw,66px);--size-h2:clamp(28px,3vw,40px);
  --ease:ease;--quick:.2s;--reveal-time:.35s;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .17 0 0 0 0 .13 0 0 0 0 .09 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
}
*,*::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(--size-body);font-weight:var(--weight-body);line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body::after{content:"";position:fixed;inset:0;pointer-events:none;background-image:var(--grain);opacity:.03;z-index:100}
[hidden]{display:none!important}
img,svg{max-width:100%;vertical-align:middle}
img{height:auto}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
a{color:var(--accent);text-underline-offset:4px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--r-xs)}
h1,h2,h3{font-family:var(--font-display);font-weight:var(--weight-display);line-height:1.2;letter-spacing:-.02em;text-wrap:balance;overflow-wrap:break-word}
h1{position:relative;z-index:0;margin:24px 0 0;font-size:var(--size-h1);line-height:1.1}
h2{font-size:var(--size-h2);margin:0 0 24px}
h3{font-size:22px;margin:0 0 16px}
p{margin:0 0 20px}
small{font-size:var(--size-small)}
code,pre{font-family:var(--font-mono)}
code{overflow-wrap:anywhere}
pre{max-width:100%;overflow-x:auto;padding:24px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-panel-2)}
pre code{overflow-wrap:normal}
blockquote{margin-inline:0}
hr{border:0;border-top:1px solid var(--border);margin-block:32px}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-top:80px;padding-bottom:80px}
.section-tight{padding-top:40px;padding-bottom:40px}
.no-break{white-space:nowrap}
.muted{color:var(--text-muted)}
.mono{font-family:var(--font-mono)}
.eyebrow{margin:0 0 12px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--accent)}
.panel,.card{padding:32px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-panel);box-shadow:var(--panel-shadow)}
.grid{display:grid;gap:24px}
.grid>*{min-width:0}
.grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}
.prose{max-width:76ch;overflow-wrap:break-word}
.prose p,.prose li{color:var(--text-muted)}
.prose h2{margin-top:56px}
.prose h3{margin-top:32px}
.prose li+li{margin-top:8px}
.prose section[id]{scroll-margin-top:var(--anchor-gap)}
.skip{position:absolute;left:16px;top:-80px;z-index:200;padding:10px 16px;border-radius:var(--r-sm);background:var(--accent-dark);color:var(--white);text-decoration:none;font-size:14px}
.skip:focus{top:12px}
.btn,.btn-primary,.btn-secondary,.login{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-height:44px;padding:10px 24px;border:1px solid var(--border-strong);border-radius:var(--r-sm);font-weight:var(--weight-bold);font-size:var(--size-body);text-decoration:none;white-space:nowrap;line-height:1.4;transition:transform var(--quick) var(--ease),box-shadow var(--quick) var(--ease),background-color var(--quick) var(--ease)}
.btn,.btn-primary{background:var(--white);color:var(--text);box-shadow:inset 0 -1px 0 var(--border),0 12px 28px -6px var(--tint-12),0 2px 4px color-mix(in srgb,var(--accent) 6%,transparent)}
.btn-primary{height:50px;padding-inline:30px;letter-spacing:.01em}
.btn:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:inset 0 -1px 0 var(--border),0 18px 36px -8px var(--tint-14)}
.btn-secondary{background:var(--bg-panel);color:var(--accent-dark)}
.btn-secondary:hover{background:var(--bg-panel-2)}
.btn:disabled,.btn-primary:disabled,.btn-secondary:disabled,.btn[aria-disabled="true"]{opacity:.55;transform:none;box-shadow:none}
.btn[aria-disabled="true"]{pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:8px;min-height:32px;color:var(--text);font-size:16px;font-weight:var(--weight-semi);text-decoration:none}
.btn-text span{transition:transform var(--quick) var(--ease)}
.btn-text:hover span{transform:translateX(4px)}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:28px;margin-top:32px}
.site-head,#site-header{position:relative;z-index:50}
.head-row{position:relative;display:flex;align-items:center;gap:32px;height:var(--head-height)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none;color:var(--text);font-family:var(--font-display);font-weight:var(--weight-display);font-size:20px;letter-spacing:-.02em;white-space:nowrap}
.brand img{width:32px;height:32px;flex-shrink:0;filter:drop-shadow(0 4px 10px var(--tint-14))}
.nav{flex:1;min-width:0;display:flex;justify-content:center}
.nav ul{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:0}
.nav li{display:flex;align-items:center;flex-shrink:0}
.nav li+li::before{content:"·";content:"·" / "";margin:0 12px;color:var(--border-strong);font-weight:var(--weight-bold)}
.nav a{position:relative;min-height:24px;padding:6px 1px;font-size:15px;color:var(--text-muted);text-decoration:none;white-space:nowrap}
.nav a:hover{color:var(--text)}
.nav a[aria-current="page"]{color:var(--accent-dark);font-weight:var(--weight-semi)}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:var(--r-xs);background:var(--accent)}
.head-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.lang-picker{position:relative}
.lang{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:auto;min-height:38px;padding:8px 10px;border:1px solid transparent;border-radius:var(--r-sm);background:transparent;color:var(--text-muted);font-size:14px;line-height:1.4;white-space:nowrap}
.lang:hover{border-color:var(--border);color:var(--text)}
.lang svg{width:16px;height:16px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.5}
.lang-name{white-space:nowrap}
.lang-caret{font-size:11px;color:var(--text-soft)}
.lang-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:90;min-width:176px;padding:8px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-panel);box-shadow:var(--panel-shadow)}
.lang-panel a{display:flex;align-items:center;min-height:44px;padding:8px 12px;border-radius:var(--r-xs);color:var(--text);text-decoration:none}
.lang-panel a:hover,.lang-panel a[aria-current="true"]{background:var(--bg-panel-2);color:var(--accent-dark)}
.login{min-height:38px;height:38px;padding:0 18px;border:0;background:var(--accent);color:var(--white);font-size:14px;font-weight:var(--weight-semi);box-shadow:inset 0 1px 0 color-mix(in srgb,var(--white) 22%,transparent),0 8px 18px -6px color-mix(in srgb,var(--accent) 45%,transparent)}
.login:hover{background:var(--accent-dark);transform:translateY(-1px)}
.menu-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:44px;min-height:44px;padding:10px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--bg-panel);color:var(--accent-dark)}
.menu-line{display:block;width:20px;height:2px;background:currentColor;flex-shrink:0}
.nav-drawer{display:none}
.nav-veil{display:none}
html.nav-open{overflow:hidden}
.site-footer{border-top:1px solid var(--border);background:var(--bg-panel-2);padding-top:56px;padding-bottom:24px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:48px}
.footer-brand p{max-width:30em;margin:20px 0;color:var(--text-muted)}
.footer-title{font-size:16px;margin-bottom:16px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;padding:0;margin:0}
.footer-links li{min-width:0}
.footer-links a,.footer-languages a,.footer-bottom a{display:inline-flex;align-items:center;min-height:28px;color:var(--text-muted);text-decoration:none}
.footer-links a:hover,.footer-languages a:hover,.footer-bottom a:hover{color:var(--accent-dark);text-decoration:underline}
.footer-languages{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}
.footer-languages a[aria-current="true"]{color:var(--accent-dark);font-weight:var(--weight-bold)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;margin-top:24px;color:var(--text-muted);font-size:14px}
.footer-legal{display:flex;gap:20px}
.reveal{transition:opacity var(--reveal-time) var(--ease),transform var(--reveal-time) var(--ease)}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
[data-count]{display:inline-block;min-width:3ch;text-align:end;font-family:var(--font-mono);font-variant-numeric:tabular-nums}
#server-status{position:relative;display:block;min-height:96px;max-width:100%;overflow:hidden;margin-block:24px}
#server-status>*{min-width:0;max-width:100%}
#server-status+*{margin-top:32px}
@media(min-width:1101px) and (max-width:1279px){
  .head-row{gap:20px}.nav li+li::before{margin-inline:8px}.head-tools{gap:6px}.nav a{font-size:14px}
}
@media(max-width:1100px){
  .nav{display:none}
  .head-tools{margin-left:auto}
  .menu-toggle{display:flex}
  .head-row{gap:16px;flex-wrap:nowrap}
  .nav-drawer{position:fixed;top:var(--head-height);left:0;right:0;z-index:60;height:calc(100dvh - var(--head-height));max-height:calc(100dvh - var(--head-height));overflow-y:auto;overscroll-behavior:contain;padding:20px var(--gutter) 40px;background:var(--bg-panel);border-top:1px solid var(--border)}
  .nav-drawer:not([hidden]){display:block}
  .nav-drawer a{display:flex;align-items:center;width:100%;min-height:48px;padding:12px 8px;color:var(--text);text-decoration:none;border-bottom:1px solid var(--border)}
  .nav-drawer a[aria-current]{color:var(--accent-dark);font-weight:var(--weight-bold)}
  .drawer-languages{margin-top:24px}
  .nav-veil:not([hidden]){display:block;position:fixed;inset:var(--head-height) 0 0;z-index:40;background:var(--tint-14);border:0;padding:0}
  .footer-grid{gap:32px}
}
@media(max-width:768px){
  :root{--gutter:24px;--size-h1:clamp(28px,5.2vw,40px)}
  .grid-three,.footer-grid{grid-template-columns:1fr}
  .section{padding-top:56px;padding-bottom:56px}
  .head-tools{gap:6px}
  .head-row{gap:12px}
}
@media(max-width:640px){
  :root{--gutter:16px}
  .no-break{white-space:normal}
  .grid-two{grid-template-columns:1fr}
  .panel,.card{padding:24px}
  .brand{font-size:18px;gap:7px}
  .brand img{width:28px;height:28px}
  .login{padding-inline:12px;font-size:13px}
  .lang{padding-inline:6px;font-size:12px}
  .lang svg,.lang-caret{display:none}
  .head-tools{gap:4px;margin-left:auto}
  .head-row{gap:8px}
  .tilt,.tilt-content{transform:none}
  .decoration,.stripe-halo{max-width:100%}
  .cta-row{gap:20px}
  .footer-bottom{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.reveal.pending{opacity:1;transform:none}
}