:root{
  --color-bg:#E6EBF7;
  --color-panel:#F7F9FE;
  --color-panel-recessed:#DCE3F3;
  --color-border:#C9D3EA;
  --color-accent:#8A1C3B;
  --color-accent-dark:#6C1430;
  --color-accent-soft:#B34463;
  --color-text:#1B2033;
  --color-muted:#5B6378;
  --color-success:#2F8F5B;
  --color-warning:#C98A1B;
  --color-error:#C43A3A;
  --color-paper:#FFFFFF;
  --color-overlay:rgba(27,32,51,.32);
  --color-sidebar-muted:rgba(255,255,255,.68);
  --color-sidebar-faint:rgba(255,255,255,.42);
  --color-sidebar-active:rgba(255,255,255,.11);
  --color-accent-wash:rgba(138,28,59,.09);
  --color-accent-shadow:rgba(138,28,59,.10);
  --color-accent-shadow-strong:rgba(138,28,59,.24);
  --color-edge-shadow:rgba(27,32,51,.07);
  --color-success-wash:rgba(47,143,91,.12);
  --color-focus-shadow:rgba(179,68,99,.22);
  --flag-red:#D22A2A;
  --flag-blue:#2B4C9C;
  --flag-navy:#1F3A7A;
  --flag-white:#FFFFFF;
  --flag-black:#141414;
  --flag-gold:#E8B821;
  --font-display:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans','Apple SD Gothic Neo',sans-serif;
  --font-body:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans','Apple SD Gothic Neo',sans-serif;
  --font-mono:'JetBrains Mono','SFMono-Regular',Menlo,Consolas,'Liberation Mono',monospace;
  --radius-sm:7px;
  --radius:10px;
  --radius-pill:999px;
  --header-height:64px;
  --content-width:1180px;
  --reading-width:760px;
  --gutter:32px;
  --section-space:88px;
  --shadow-panel:inset 0 1px 0 var(--color-paper),0 0 0 1px var(--color-border),0 2px 6px var(--color-edge-shadow),0 22px 40px var(--color-accent-shadow);
  --shadow-card:inset 0 1px 0 var(--color-paper),0 10px 30px var(--color-accent-shadow);
  --focus-ring:2px solid var(--color-accent-soft);
}
*{box-sizing:border-box}
html{margin:0;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 16px)}
html.nav-open{overflow:hidden}
body{margin:0;min-width:320px;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,header,footer{max-width:100%}
main,section,.decorated-section{overflow-x:clip}
img,video{display:block;max-width:100%;height:auto}
svg{display:block;flex-shrink:0}
button,input,select,textarea{font:inherit}
button{color:inherit}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
ul,ol{margin-top:0}
h1,h2,h3,h4{color:var(--color-text);font-family:var(--font-display);text-wrap:balance}
h1{margin:0;font-size:clamp(52px,5.1vw,68px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
h2{margin:0 0 18px;font-size:clamp(32px,3.2vw,46px);font-weight:800;line-height:1.16;letter-spacing:-.018em}
h3{margin:0 0 10px;font-size:22px;font-weight:750;line-height:1.3}
h4{margin:0 0 8px;font-size:17px}
code,kbd,samp,.num{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);background:var(--color-text);color:var(--color-paper);-webkit-overflow-scrolling:touch}
pre code{overflow-wrap:normal}
::selection{background:var(--color-accent-soft);color:var(--color-paper)}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:var(--focus-ring);outline-offset:3px}
.wrap{width:100%;max-width:var(--content-width);margin-inline:auto;padding-inline:var(--gutter)}
.reading-wrap{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-head{max-width:720px;margin-bottom:32px}
.section-head.is-centered{margin-inline:auto;text-align:center}
.section-kicker{display:block;margin-bottom:8px;color:var(--color-accent);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.muted{color:var(--color-muted)}
.num{font-weight:650;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.no-break{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.panel,.card{min-width:0;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-panel);box-shadow:var(--shadow-card)}
.panel{padding:28px}
.card{padding:24px}
.badge,.eyebrow,.tag{
  display:inline-flex;align-items:center;gap:8px;min-height:26px;max-width:100%;padding:2px 11px;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-panel);color:var(--color-muted);font-size:13px;font-weight:650;box-shadow:inset 0 1px 0 var(--color-paper)
}
.badge-dot{width:7px;height:7px;flex-shrink:0;border-radius:50%;background:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-wash)}
.tag{overflow:hidden;color:var(--color-accent);text-overflow:ellipsis;white-space:nowrap}
.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:24px;min-height:48px;padding:10px 26px;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;font-size:16px;font-weight:750;letter-spacing:.01em;text-align:center
}
.btn-primary{border-color:var(--color-accent);background:linear-gradient(135deg,var(--color-accent),var(--color-accent-soft));color:var(--color-paper);box-shadow:inset 0 1px 0 var(--color-focus-shadow),0 10px 22px var(--color-accent-shadow-strong)}
.btn-primary:hover{background:linear-gradient(135deg,var(--color-accent-dark),var(--color-accent))}
.btn-secondary{border-color:var(--color-border);background:var(--color-panel);color:var(--color-text);box-shadow:inset 0 1px 0 var(--color-paper),0 1px 2px var(--color-edge-shadow)}
.btn-secondary:hover{border-color:var(--color-accent-soft);color:var(--color-accent)}
.btn-text{min-height:36px;padding:5px 4px;color:var(--color-accent)}
.btn[aria-disabled="true"],.btn:disabled{cursor:not-allowed;filter:saturate(.25);opacity:.58}
.reveal{transition:opacity .62s ease,transform .62s ease}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}

/* Shared header */
.site-topbar{position:relative;z-index:50;min-height:var(--header-height)}
.site-topbar-inner{min-height:var(--header-height);display:flex;align-items:center;gap:28px}
.site-brand{display:inline-flex;align-items:center;gap:10px;margin-right:auto;min-height:44px}
.site-brand img{width:32px;height:32px;flex-shrink:0}
.site-brand-name{font-family:var(--font-display);font-size:19px;font-weight:800;letter-spacing:-.02em}
.site-brand-local{color:var(--color-muted);font-size:15px;font-weight:600}
.site-brand-sub{padding-left:10px;border-left:1px solid var(--color-border);color:var(--color-muted);font-size:11px;letter-spacing:.04em}
.site-nav{display:flex;align-items:center;gap:22px}
.site-nav a{display:inline-flex;align-items:center;min-height:36px;color:var(--color-muted);font-size:14px;font-weight:550}
.site-nav a:hover,.site-nav a.is-active{color:var(--color-text)}
.site-nav a.is-active{font-weight:750}
.header-tools{display:flex;align-items:center;gap:8px}
.lang-picker{position:relative}
.lang-button,.menu-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:0;background:transparent;color:var(--color-muted);cursor:pointer}
.lang-button{gap:5px;padding-inline:8px;font-size:13px}
.lang-menu{position:absolute;top:calc(100% + 7px);right:0;z-index:55;display:none;width:148px;padding:6px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-panel);box-shadow:var(--shadow-card)}
.lang-picker.is-open .lang-menu{display:block}
.lang-menu a{display:flex;align-items:center;min-height:40px;padding:7px 10px;border-radius:var(--radius-sm);color:var(--color-muted)}
.lang-menu a:hover,.lang-menu a[aria-current="true"]{background:var(--color-panel-recessed);color:var(--color-text)}
.header-login{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:6px 16px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-panel);color:var(--color-accent);font-size:14px;font-weight:750;box-shadow:inset 0 1px 0 var(--color-paper),0 1px 2px var(--color-edge-shadow)}
.menu-toggle{display:none}
.menu-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
.nav-veil{position:fixed;inset:var(--header-height) 0 0;z-index:40;display:none;background:var(--color-overlay)}
.mobile-drawer{position:absolute;top:var(--header-height);left:0;right:0;z-index:52;display:none;max-height:calc(100dvh - var(--header-height));overflow-y:auto;padding:10px var(--gutter) 20px;border-top:1px solid var(--color-border);background:var(--color-panel);overscroll-behavior:contain}
.mobile-drawer a{display:flex;align-items:center;width:100%;min-height:44px;padding:10px 8px;border-bottom:1px solid var(--color-border);color:var(--color-text)}
.mobile-drawer a.is-active{color:var(--color-accent);font-weight:750}
.mobile-language-title{padding:18px 8px 5px;color:var(--color-muted);font-size:12px;font-weight:750}
.site-topbar.is-open .mobile-drawer,.site-topbar.is-open + .nav-veil{display:block}

/* Shared footer */
.site-footer{margin-top:72px;border-top:1px solid var(--color-border);background:var(--color-panel-recessed)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr .8fr;gap:36px;padding-top:54px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:19px;font-weight:800}
.footer-brand img{width:34px;height:34px}
.footer-intro{max-width:330px;color:var(--color-muted)}
.footer-title{margin-bottom:12px;font-size:13px;font-weight:800;letter-spacing:.06em}
.footer-links{display:grid;gap:8px}
.footer-links a{display:inline-flex;align-items:center;min-height:28px;color:var(--color-muted)}
.footer-links a:hover{color:var(--color-accent)}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:18px;padding-bottom:24px;border-top:1px solid var(--color-border);color:var(--color-muted);font-size:13px}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:18px}

/* Server component containment */
#server-status{position:relative;display:block;width:100%;max-width:100%;overflow:hidden;margin-top:24px;margin-bottom:24px}
#server-status + *{margin-top:24px}

@media (max-width:1040px){
  .site-nav{gap:14px}
  .site-nav a{font-size:13px}
  .site-brand-sub{display:none}
}
@media (max-width:768px){
  :root{--gutter:20px;--section-space:68px}
  h1{font-size:clamp(28px,9.5vw,40px);line-height:1.12}
  h2{font-size:clamp(28px,7.5vw,36px)}
  .site-nav,.desktop-lang{display:none}
  .header-tools{margin-left:auto}
  .menu-toggle{display:inline-flex}
  .header-login{min-height:40px;padding-inline:13px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  :root{--gutter:16px}
  .no-break{white-space:normal}
  .section{padding-top:56px;padding-bottom:56px}
  .panel,.card{padding:20px}
  .button-row .btn{width:100%}
  .tilt-card,[data-tilt]{transform:none!important}
  .decorative-absolute,.doodle,.stripe-halo{display:none!important;max-width:100%}
  .site-brand-local{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-legal{align-items:flex-start;flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal.pending,.reveal.shown{opacity:1;transform:none;transition:none}
}