:root{
  color-scheme:light;
  --bg:#FBF1E3;--bg-panel:#FFFBF4;--bg-panel2:#F3E4CF;--hero-top:#FFF8EE;
  --border:#E6D3B8;--border-soft:#EEDFC9;
  --accent:#F0623F;--accent-hi:#F6825F;--accent-dark:#C2432A;--accent-tint:#FDE4D9;--accent-line:#F6C3AF;--berry:#F27BA8;
  --text:#2B1E14;--text-muted:#6E5B4A;--text-soft:#9B8570;
  --success:#1F9D6B;--warn:#C9820C;--error:#C62F3A;--white:#FFFFFF;
  --side-bg:#FAEFE0;--bar-b:#FBF3E8;--desk-b:#F9ECDB;--desk-lip:#EAD5B9;
  --mint-tint:#E2F4EA;--mint-line:#C3E6D3;--dot-amber:#EDB54E;--dot-mint:#5CC89C;
  --candy-coral-a:#FFCDBB;--candy-coral-b:#F9B9D3;--candy-bb-a:#C3C8F7;--candy-bb-b:#E6DEFB;
  --blueberry:#8C95E6;--lavender:#C9C1F5;--mint-deep:#52B894;
  --pc-hi:#FFE3D8;--pc-mid:#F7A391;--pc-deep:#E07767;--pc-inner:rgba(196,82,68,.28);
  --mn-hi:#E2F8EE;--mn-mid:#95DDBF;--mn-deep:#52B894;--mn-inner:rgba(40,140,104,.26);
  --bb-hi:#E8EAFF;--bb-mid:#A9B0F0;--bb-deep:#7984DA;--bb-inner:rgba(80,92,190,.26);
  --cheek:rgba(242,123,168,.5);
  --sh-coral-10:rgba(240,98,63,.10);--sh-coral-12:rgba(240,98,63,.12);--sh-coral-20:rgba(240,98,63,.20);
  --sh-coral-32:rgba(240,98,63,.32);--sh-coral-50:rgba(240,98,63,.50);
  --sh-brown-06:rgba(43,30,20,.06);--sh-brown-14:rgba(43,30,20,.14);--sh-brown-30:rgba(43,30,20,.30);
  --sh-pc:rgba(224,119,103,.38);--sh-mn:rgba(60,160,124,.34);--sh-bb:rgba(110,120,214,.34);
  --hi-85:rgba(255,255,255,.85);--hi-55:rgba(255,255,255,.55);--hi-30:rgba(255,255,255,.30);--hi-0:rgba(255,255,255,0);
  --tray-bg:rgba(255,251,244,.74);--strip-bg:rgba(255,251,244,.70);--hover-tint:rgba(240,98,63,.07);
  --blob-coral:rgba(240,98,63,.26);--blob-berry:rgba(242,123,168,.24);--clear:rgba(251,241,227,0);--focus:rgba(240,98,63,.42);
  --flag-red:#D9343F;--flag-white:#FFFFFF;--flag-navy:#22307A;--flag-edge:rgba(43,30,20,.14);--stick:#A7856A;
  --grain-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 .169 0 0 0 0 .118 0 0 0 0 .078 0 0 0 .03 0'/%3E%3C/filter%3E%3Cpath filter='url(%23n)' d='M0 0h160v160H0z'/%3E%3C/svg%3E");
  --font-display:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --weight-normal:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--weight-display:900;
  --text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.0625rem;
  --h1-size:clamp(52px,4.6vw,66px);--h2-size:clamp(28px,3vw,44px);--h3-size:1.375rem;
  --r-xl:36px;--r-story:32px;--r-lg:24px;--r-window:22px;--r-strip:20px;--r-md:16px;--r-control:14px;--r-sm:12px;--r-xs:4px;--r-dot:50%;--r-pill:999px;
  --gutter:80px;--container:1440px;--nav-h:76px;--peek:36px;--toc-h:68px;--anchor-offset:160px;
  --space-section:88px;--dev-s:1;--dev-w:calc(660px * var(--dev-s));
  --shadow-panel:0 24px 64px -24px var(--sh-coral-20),inset 0 1px 0 var(--white);
  --ease:cubic-bezier(.2,.7,.2,1);--fast:.2s;--reveal-time:.36s;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}
body{margin:0;background:var(--bg) var(--grain-image) repeat;color:var(--text);font-family:var(--font-body);font-size:var(--text-base);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html.nav-open{overflow:hidden}
[hidden]{display:none!important}
a{color:inherit;text-underline-offset:.2em}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled,.btn:disabled,.btn[aria-disabled="true"]{cursor:not-allowed;opacity:.55}
button,a,input,summary,select,textarea{-webkit-tap-highlight-color:var(--hover-tint)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
img{max-width:100%;height:auto}
svg{vertical-align:middle}
h1,h2,h3,h4,p,figure{margin-top:0}
h1,h2,h3{font-family:var(--font-display);font-weight:var(--weight-display);line-height:1.15;text-wrap:balance;overflow-wrap:break-word;letter-spacing:-.02em}
h1{font-size:var(--h1-size)}
h2{font-size:var(--h2-size)}
h3{font-size:var(--h3-size)}
p{margin-bottom:1.25em}
ul,ol{padding-left:1.5em}
pre{max-width:100%;overflow-x:auto;padding:24px;border-radius:var(--r-md);background:var(--bg-panel2);font-family:var(--font-mono)}
code{font-family:var(--font-mono);overflow-wrap:anywhere}
pre code{overflow-wrap:normal;white-space:pre}
table{border-collapse:collapse}
button{color:var(--text)}
.wrap{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.reading-wrap{max-width:900px;margin-inline:auto}
.prose{min-width:0;overflow-wrap:break-word}
.prose h2,.prose h3{margin-top:2em}
.prose p,.prose li{color:var(--text-muted)}
.prose a{color:var(--accent-dark)}
.prose li+li{margin-top:.5em}
.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))}
.panel,.card{min-width:0;background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--r-lg);box-shadow:var(--shadow-panel);padding:32px}
.muted{color:var(--text-muted)}
.mono{font-family:var(--font-mono)}
.no-break{white-space:nowrap}
.hl{color:var(--accent)}
@supports (background-clip:text){
  .hl{background:linear-gradient(105deg,var(--accent) 0%,var(--accent) 55%,var(--berry) 125%);background-clip:text;-webkit-background-clip:text;color:transparent}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.ic{width:15px;height:15px;display:block;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:12px 30px;border:0;border-radius:var(--r-pill);font-size:16.5px;font-weight:var(--weight-bold);line-height:1.3;text-align:center;text-decoration:none;flex-shrink:0;white-space:nowrap;transition:transform var(--fast),box-shadow var(--fast),background-color var(--fast)}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn--solid,.btn-primary{background:linear-gradient(180deg,var(--accent-hi),var(--accent));color:var(--white);box-shadow:0 16px 30px -14px var(--sh-coral-50),inset 0 1px 0 var(--hi-30)}
.btn--solid:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -14px var(--sh-coral-50),inset 0 1px 0 var(--hi-30)}
.btn--ghost,.btn-secondary{background:var(--bg-panel);color:var(--text);border:1.5px solid var(--border);box-shadow:0 12px 24px -16px var(--sh-coral-32),inset 0 1px 0 var(--white)}
.btn--ghost:hover,.btn-secondary:hover{transform:translateY(-2px);border-color:var(--accent-line)}
.btn:active{transform:translateY(0)}
.btn--small{min-height:44px;padding:10px 20px;font-size:var(--text-sm)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.badge{display:inline-flex;align-items:center;gap:10px;min-height:34px;padding:4px 15px 4px 13px;border-radius:var(--r-pill);background:var(--bg-panel);border:1px solid var(--border-soft);box-shadow:0 8px 18px -10px var(--sh-coral-32),inset 0 1px 0 var(--white);font-size:13.5px;font-weight:var(--weight-semibold);max-width:100%;overflow-wrap:anywhere}
.pulse{position:relative;display:inline-block;width:8px;height:8px;border-radius:var(--r-dot);background:var(--success);flex-shrink:0}
.pulse::after{content:"";position:absolute;inset:-4px;border-radius:var(--r-dot);background:var(--success);opacity:.3;animation:breathe 2.4s ease-in-out infinite}
.topbar{position:relative;z-index:100;background:var(--tray-bg)}
.topbar-in{display:flex;align-items:center;gap:24px;min-height:var(--nav-h);flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex-shrink:0}
.brand-mark{width:34px;height:34px;display:block;flex-shrink:0}
.brand-word{font-family:var(--font-display);font-weight:var(--weight-display);font-size:22px;letter-spacing:-.025em;white-space:nowrap}
.nav{flex:1;min-width:0;display:flex;justify-content:center}
.nav-tray{display:flex;align-items:center;list-style:none;margin:0;padding:5px;gap:2px;background:var(--tray-bg);border:1px solid var(--border-soft);border-radius:var(--r-pill);box-shadow:0 10px 26px -14px var(--sh-coral-20),inset 0 1px 0 var(--hi-85)}
.nav-link{display:block;padding:8px 15px;border-radius:var(--r-pill);font-size:14.5px;font-weight:var(--weight-medium);color:var(--text-muted);text-decoration:none;white-space:nowrap;transition:color var(--fast),background-color var(--fast)}
.nav-link:hover{color:var(--text);background:var(--hover-tint)}
.nav-link.is-on{background:var(--accent-tint);color:var(--accent-dark);font-weight:var(--weight-bold);box-shadow:inset 0 0 0 1px var(--accent-line)}
.nav-tools{display:flex;align-items:center;gap:8px;flex-shrink:0}
.lang-picker{position:relative}
.lang{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;min-width:44px;width:auto;padding:0 12px;border:0;border-radius:var(--r-pill);background:var(--clear);font-size:14px;font-weight:var(--weight-medium);color:var(--text-muted);white-space:nowrap}
.lang:hover{background:var(--hover-tint);color:var(--text)}
.lang svg{width:16px;height:16px;flex-shrink:0}
.lang-name{white-space:nowrap}
.lang-caret{font-size:11px}
.lang-panel{position:absolute;right:0;top:calc(100% + 10px);z-index:130;min-width:180px;padding:8px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-panel)}
.lang-panel a{display:flex;align-items:center;min-height:44px;padding:8px 14px;text-decoration:none;border-radius:var(--r-sm)}
.lang-panel a:hover,.lang-panel a[aria-current]{background:var(--accent-tint);color:var(--accent-dark)}
.login{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:8px 22px;border-radius:var(--r-pill);background:var(--text);color:var(--bg-panel);text-decoration:none;font-size:14.5px;font-weight:var(--weight-bold);white-space:nowrap;box-shadow:0 12px 22px -12px var(--sh-brown-30),inset 0 1px 0 var(--hi-30);transition:transform var(--fast)}
.login:hover{transform:translateY(-1px)}
.menu-btn{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:var(--r-pill);border:1px solid var(--border-soft);background:var(--bg-panel);color:var(--text)}
.menu-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.nav-drawer{position:fixed;inset-inline:0;top:var(--nav-h);height:calc(100dvh - var(--nav-h));max-height:calc(100dvh - var(--nav-h));overflow-y:auto;overscroll-behavior:contain;z-index:90;background:var(--bg-panel);padding:16px var(--gutter) 32px}
.nav-drawer ul{list-style:none;margin:0;padding:0}
.nav-drawer a{display:flex;align-items:center;width:100%;min-height:48px;padding:12px 16px;text-decoration:none;border-radius:var(--r-sm)}
.nav-drawer a:hover,.nav-drawer a[aria-current]{background:var(--accent-tint);color:var(--accent-dark)}
.drawer-languages{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.nav-veil{position:fixed;inset:var(--nav-h) 0 0;z-index:80;background:var(--sh-brown-30);border:0}
.site-footer{margin-top:64px;background:var(--bg-panel2);border-top:1px solid var(--border);box-shadow:inset 0 1px 0 var(--hi-85);padding-top:56px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:48px}
.footer-grid>*{min-width:0}
.footer-brand p{margin-top:20px;max-width:30em;color:var(--text-muted);font-size:var(--text-sm)}
.footer-heading{font-size:var(--text-base);font-weight:var(--weight-bold);margin-bottom:16px}
.footer-links{display:flex;flex-wrap:wrap;gap:4px 20px;list-style:none;margin:0;padding:0}
.footer-links li{min-width:0}
.footer-links a,.footer-languages a,.footer-legal a{display:inline-flex;align-items:center;min-height:32px;font-size:var(--text-sm);color:var(--text-muted);text-decoration:none;overflow-wrap:anywhere}
.footer-links a:hover,.footer-languages a:hover,.footer-legal a:hover{color:var(--accent-dark);text-decoration:underline}
.footer-languages{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:32px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:24px;padding-top:24px;border-top:1px solid var(--border);font-size:var(--text-sm);color:var(--text-muted)}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 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}
#server-status{position:relative;display:flow-root;min-width:0;max-width:100%;min-height:120px;overflow:hidden;margin-block:24px 32px}
#server-status+*{margin-top:32px}
[data-count]{display:inline-block;min-width:3ch;font-variant-numeric:tabular-nums;font-family:var(--font-mono);text-align:right}
@keyframes breathe{0%,100%{transform:scale(.7);opacity:.18}50%{transform:scale(1.25);opacity:.32}}
@media(min-width:1101px) and (max-width:1390px){
  :root{--gutter:40px}
  .topbar-in{gap:14px}
  .nav-link{padding-inline:10px;font-size:13px}
  .brand-word{font-size:20px}
  .lang{padding-inline:8px;font-size:13px}
}
@media(max-width:1100px){
  :root{--gutter:32px}
  .nav{display:none}
  .topbar-in{gap:12px}
  .nav-tools{margin-left:auto}
  .menu-btn{display:inline-flex}
  .footer-grid{gap:32px}
}
@media(max-width:768px){
  :root{--gutter:24px;--space-section:56px;--h1-size:clamp(28px,6.5vw,40px);--h2-size:clamp(26px,5vw,34px)}
  .grid--three{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .panel,.card{padding:24px}
}
@media(max-width:640px){
  :root{--gutter:16px;--nav-h:68px}
  .no-break{white-space:normal}
  .tilt{transform:none}
  .grid--two{grid-template-columns:1fr}
  .topbar-in{gap:6px}
  .brand{gap:6px}
  .brand-mark{width:26px;height:26px}
  .brand-word{font-size:18px}
  .nav-tools{gap:4px;margin-left:auto}
  .lang{padding-inline:6px;font-size:11px;gap:3px}
  .lang svg,.lang-caret{display:none}
  .login{padding-inline:12px;min-height:40px;font-size:13px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand{grid-column:auto}
  .panel,.card{padding:20px}
  .btn{padding-inline:24px;font-size:15px;min-height:52px}
  .nav-drawer{max-width:100%}
  pre{padding:16px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.reveal.pending{opacity:1;transform:none}
}