:root{
  --color-bg:#E7ECF9;
  --color-panel:#F8FAFE;
  --color-panel-recessed:#D9E1F3;
  --color-border:#C6D0E8;
  --color-border-soft:rgba(198,208,232,.55);
  --color-accent:#5A2D9C;
  --color-accent-dark:#43207A;
  --color-accent-bright:#8A5BE0;
  --color-accent-tint:#EFE9F9;
  --color-accent-soft:rgba(90,45,156,.10);
  --color-text:#171633;
  --color-text-muted:#5B5E7E;
  --color-success:#1E8E5A;
  --color-success-tint:#E3F4EB;
  --color-warning:#D9891B;
  --color-warning-tint:#FBEFDD;
  --color-error:#C8383E;
  --color-ink:#141633;
  --color-ink-panel:#1F1E3F;
  --color-ink-line:rgba(255,255,255,.09);
  --color-ink-text:#F3F4FB;
  --color-ink-muted:#A9ADCC;
  --color-white:#FFFFFF;
  --color-plate-a:#DCE4F7;
  --color-plate-b:#E9E3F8;
  --color-window-side:#EEF2FB;
  --color-window-main:#F1F4FB;
  --color-header:rgba(231,236,249,.82);
  --color-wash-a:rgba(90,45,156,.06);
  --color-wash-b:rgba(90,45,156,0);
  --color-wash-c:rgba(178,200,240,.38);
  --color-shadow-weak:rgba(23,22,51,.04);
  --color-shadow-mid:rgba(90,45,156,.24);
  --color-shadow-strong:rgba(90,45,156,.55);
  --color-shadow-ink:rgba(20,22,51,.50);
  --color-highlight:rgba(255,255,255,.90);
  --color-highlight-soft:rgba(255,255,255,.28);
  --font-display:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-body:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','SFMono-Regular',Menlo,Consolas,monospace;
  --radius-xs:6px;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:24px;
  --header-height:72px;
  --content-width:1440px;
  --gutter:80px;
  --section-space:104px;
  --shadow-panel:0 34px 64px -28px var(--color-shadow-mid),0 2px 6px var(--color-shadow-weak),inset 0 0 0 1px var(--color-highlight);
  --shadow-card:0 1px 2px var(--color-shadow-weak),0 12px 24px -14px var(--color-shadow-mid);
  --shadow-button:0 12px 24px -10px var(--color-shadow-strong);
  --shadow-plate:0 48px 90px -36px var(--color-shadow-mid),0 12px 30px -16px var(--color-accent-soft);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;background:var(--color-bg)}
html.nav-open{overflow:hidden}
body{margin:0;min-width:320px;min-height:100svh;overflow-x:clip;background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
main,section,article,aside,header,footer,nav,div{min-width:0}
img,video,canvas{display:block;max-width:100%;height:auto}
svg{display:block;flex-shrink:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
ul{list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);color:var(--color-text);text-wrap:balance}
h1,.hero-title{font-size:clamp(52px,5vw,68px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(34px,3.5vw,50px);font-weight:780;line-height:1.16;letter-spacing:-.018em}
h3{font-size:clamp(21px,2vw,28px);font-weight:750;line-height:1.25}
code,kbd,pre{font-family:var(--font-mono)}
code{overflow-wrap:anywhere}
pre{max-width:100%;overflow-x:auto;padding:20px;border-radius:var(--radius-md);background:var(--color-ink);color:var(--color-ink-text)}
table{border-collapse:collapse}
summary{cursor:pointer}
:where(a,button,input,select,textarea,summary,[role="tab"]):focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}
.wrap{width:100%;max-width:var(--content-width);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-top:var(--section-space);padding-bottom:var(--section-space);overflow-x:clip}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-inline:auto;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--color-accent);font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.kicker::before{content:"";width:8px;height:8px;flex:none;border-radius:50%;background:var(--color-accent)}
.lead{max-width:680px;color:var(--color-text-muted);font-size:18px;line-height:1.75}
.no-break{white-space:nowrap}
.muted{color:var(--color-text-muted)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.panel,.card{border:1px solid var(--color-border-soft);border-radius:var(--radius-md);background:var(--color-panel);box-shadow:var(--shadow-card)}
.card{padding:24px}
.badge{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:28px;max-width:100%;padding:3px 10px;overflow:hidden;border:1px solid var(--color-border);border-radius:999px;background:var(--color-panel);color:var(--color-text-muted);font-size:12px;font-weight:650}
.badge-dot{width:7px;height:7px;flex:none;border-radius:50%;background:var(--color-accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-width:44px;min-height:48px;padding:10px 22px;border:1px solid transparent;border-radius:10px;font-weight:700;line-height:1.1;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:var(--color-white);background:linear-gradient(135deg,var(--color-accent-bright),var(--color-accent) 60%,var(--color-accent-dark));box-shadow:var(--shadow-button),inset 0 1px 0 var(--color-highlight-soft)}
.btn-secondary{border-color:var(--color-border);background:var(--color-panel);color:var(--color-text);box-shadow:inset 0 1px 0 var(--color-highlight)}
.btn-secondary:hover{border-color:var(--color-accent);color:var(--color-accent)}
.btn-small{min-height:38px;padding:7px 15px;font-size:14px}
.button-row{display:flex;flex-wrap:wrap;gap:12px}
.reveal{transition:opacity .55s ease,transform .55s ease}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
.site-header{position:sticky;top:0;z-index:50;height:var(--header-height);border-bottom:1px solid var(--color-border-soft);background:var(--color-header);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;height:var(--header-height);gap:28px}
.site-brand{display:inline-flex;align-items:center;gap:10px;flex:none;min-height:44px}
.site-brand img{width:34px;height:34px}
.brand-word{font-size:19px;font-weight:800;letter-spacing:-.02em}
.brand-local{color:var(--color-text-muted);font-size:14px;font-weight:600}
.desktop-nav{display:flex;align-items:center;gap:3px}
.nav-link,.nav-more-button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 11px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);font-size:14px;font-weight:550}
.nav-link:hover,.nav-more-button:hover,.nav-link[aria-current="page"]{background:var(--color-panel-recessed);color:var(--color-text)}
.nav-link[aria-current="page"]{font-weight:700}
.nav-more{position:relative}
.nav-more-menu{position:absolute;top:calc(100% + 6px);right:0;display:none;min-width:184px;padding:6px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-panel);box-shadow:var(--shadow-panel)}
.nav-more:hover .nav-more-menu,.nav-more:focus-within .nav-more-menu{display:grid}
.nav-more-menu .nav-link{justify-content:flex-start;width:100%}
.header-tools{display:flex;align-items:center;gap:8px;margin-left:auto}
.header-login{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:7px 17px;border:1px solid var(--color-accent);border-radius:var(--radius-sm);background:var(--color-panel);color:var(--color-accent);font-size:14px;font-weight:700}
.header-login:hover{background:var(--color-accent);color:var(--color-white)}
.language-picker{position:relative}
.language-button,.menu-button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:8px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted)}
.language-button:hover,.menu-button:hover{background:var(--color-panel-recessed);color:var(--color-text)}
.language-menu{position:absolute;top:calc(100% + 6px);right:0;display:none;min-width:158px;padding:6px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-panel);box-shadow:var(--shadow-panel)}
.language-picker.open .language-menu{display:grid}
.language-menu a{display:flex;align-items:center;min-height:40px;padding:7px 10px;border-radius:var(--radius-xs);font-size:14px}
.language-menu a:hover,.language-menu a[aria-current="true"]{background:var(--color-accent-tint);color:var(--color-accent)}
.menu-button{display:none}
.mobile-nav{position:fixed;top:var(--header-height);right:0;left:0;z-index:52;display:none;max-height:calc(100dvh - var(--header-height));overflow-y:auto;padding:12px var(--gutter) 22px;border-top:1px solid var(--color-border);background:var(--color-panel);overscroll-behavior:contain}
.mobile-nav.open{display:block}
.mobile-nav a{display:flex;align-items:center;width:100%;min-height:46px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--color-text)}
.mobile-nav a:hover,.mobile-nav a[aria-current="page"]{background:var(--color-accent-tint);color:var(--color-accent)}
.mobile-nav-label{padding:14px 12px 4px;color:var(--color-text-muted);font-family:var(--font-mono);font-size:11px;text-transform:uppercase}
.nav-veil{position:fixed;inset:var(--header-height) 0 0;z-index:49;display:none;background:var(--color-accent-soft)}
.nav-veil.open{display:block}
.site-footer{overflow-x:clip;background:var(--color-ink);color:var(--color-ink-text)}
.footer-main{display:grid;grid-template-columns:1.25fr 1fr 1.15fr .8fr;gap:48px;padding-top:72px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:20px;font-weight:800}
.footer-brand img{width:36px;height:36px}
.footer-copy{max-width:330px;color:var(--color-ink-muted);font-size:14px}
.footer-title{margin-bottom:14px;color:var(--color-ink-text);font-size:13px;font-weight:750}
.footer-links{display:grid;gap:6px}
.footer-links a{display:inline-flex;align-items:center;min-height:30px;color:var(--color-ink-muted);font-size:13px}
.footer-links a:hover{color:var(--color-ink-text)}
.footer-hot{display:flex;flex-wrap:wrap;gap:8px}
.footer-hot a{display:inline-flex;align-items:center;min-height:30px;padding:3px 9px;border:1px solid var(--color-ink-line);border-radius:var(--radius-xs);color:var(--color-ink-muted);font-size:12px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;padding-bottom:22px;border-top:1px solid var(--color-ink-line);color:var(--color-ink-muted);font-size:12px}
.footer-legal,.footer-languages{display:flex;flex-wrap:wrap;gap:14px}
.footer-bottom a:hover{color:var(--color-ink-text)}
#server-status{position:relative;display:block;overflow:hidden;margin-bottom:32px}
#server-status + *{margin-top:0}
.tilt{transform:rotate(.45deg)}
@media (max-width:1280px){
  :root{--gutter:40px}
}
@media (max-width:960px){
  :root{--section-space:80px}
  .desktop-nav{display:none}
  .menu-button{display:inline-flex}
  .header-tools{margin-left:auto}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--gutter:20px}
  h1,.hero-title{font-size:clamp(32px,9vw,40px)}
  h2{font-size:clamp(28px,7vw,36px)}
  .language-picker{display:none}
  .brand-local{display:none}
}
@media (max-width:640px){
  :root{--gutter:16px;--section-space:64px}
  .no-break{white-space:normal}
  .tilt,[class*="tilt"]{transform:none}
  .button-row{align-items:stretch;flex-direction:column}
  .button-row .btn{width:100%}
  .footer-main{grid-template-columns:1fr;gap:32px}
  .footer-bottom{align-items:flex-start;flex-direction:column}
  .card{padding:20px}
  pre{padding:16px}
  .absolute-decor,.hero-glow,.stripe-halo{max-width:100%}
}
@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}
}