:root{
  --bg:#FBFAF7;--panel:#FFFFFF;--panel-2:#F3F1EC;--border:#E6E2DA;--border-strong:#D6D0C4;
  --accent:#DD7A0C;--accent-dark:#A85A06;--accent-hi:#E98712;--accent-lo:#C9650A;
  --text:#1C1A16;--muted:#6B665D;--faint:#8F897E;--success:#2E8B57;--warn:#C98A06;--error:#C8382E;
  --on-accent:#FFFFFF;--ink-deep:#17150F;--on-ink:#FFFFFF;--on-ink-muted:rgba(255,255,255,.64);--on-ink-line:rgba(255,255,255,.26);--hl-ink:rgba(255,255,255,.14);
  --wash-0:rgba(221,122,12,0);--wash-1:rgba(221,122,12,.04);--wash-2:rgba(221,122,12,.065);
  --shadow-amber:rgba(221,122,12,.12);--shadow-amber-strong:rgba(201,101,10,.34);--shadow-ink:rgba(28,26,22,.09);--shadow-ink-soft:rgba(28,26,22,.05);--shadow-ink-strong:rgba(28,26,22,.32);
  --highlight:rgba(255,255,255,.95);--sheen:rgba(255,255,255,.42);--hl-accent:rgba(255,255,255,.34);--toggle-inset:rgba(0,0,0,.28);--success-ring:rgba(46,139,87,.16);
  --mac-red:#FF5F57;--mac-yellow:#FEBC2E;--mac-green:#28C840;--dot-hl:rgba(255,255,255,.6);--dot-edge:rgba(28,26,22,.14);
  --flag-red:#D7263D;--flag-blue:#24397A;--flag-green:#12894A;--flag-white:#FFFFFF;--flag-edge:rgba(28,26,22,.14);
  --size-a:#DAD3C6;--size-b:#ADA493;
  --r-xs:6px;--r-sm:8px;--r-md:10px;--r-lg:12px;--r-pill:999px;
  --font-display:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans","Apple SD Gothic Neo","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Hiragino Sans","Apple SD Gothic Neo","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --gutter:24px;--wrap:1200px;--head-height:60px;--toc-offset:76px;--section-gap:80px;
  --text-base:16px;--text-small:14px;--text-h2:32px;--text-h3:22px;
  --weight-body:400;--weight-strong:700;--weight-display:900;
  --shadow-panel:0 1px 2px var(--shadow-ink-soft),0 18px 40px -22px var(--shadow-amber-strong);
  --ease-out:cubic-bezier(.2,.7,.2,1);--time-fast:.18s;--time-reveal:.35s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:76px;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:var(--text-base);font-weight:var(--weight-body);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled,[aria-disabled="true"]{cursor:not-allowed}
img,svg{vertical-align:middle}
img{max-width:100%;height:auto}
svg{flex-shrink:0}
ul{list-style:none;margin:0;padding:0}
p{margin:0}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 16px;line-height:1.3;text-wrap:balance}
h1{font-size:clamp(52px,5vw,68px);font-weight:var(--weight-display);line-height:1.1;letter-spacing:-.02em}
h2{font-size:var(--text-h2);font-weight:800;letter-spacing:-.02em}
h3{font-size:var(--text-h3);font-weight:var(--weight-strong)}
:focus-visible{outline:2px solid var(--accent-dark);outline-offset:2px;border-radius:var(--r-xs)}
[hidden]{display:none!important}
.no-break{white-space:nowrap}
.mono,code,pre{font-family:var(--font-mono)}
code{overflow-wrap:anywhere;font-size:.9em}
pre{max-width:100%;overflow-x:auto;padding:20px;border-radius:var(--r-sm);background:var(--panel-2);border:1px solid var(--border)}
pre code{overflow-wrap:normal;white-space:pre}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-top:var(--section-gap);padding-bottom:var(--section-gap)}
.section-head{margin-bottom:32px;max-width:780px}
.section-head p,.muted{color:var(--muted)}
.section-head p{font-size:18px}
.prose{max-width:820px;min-width:0}
.prose p,.prose ul,.prose ol{margin-bottom:20px}
.prose h2{margin-top:48px}
.prose h3{margin-top:28px}
.prose ul{list-style:disc;padding-left:24px}
.prose ol{padding-left:24px}
.prose a:not([class]){color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
.prose li+li{margin-top:8px}
.panel,.card{min-width:0;padding:24px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--panel);box-shadow:var(--shadow-panel),inset 0 1px 0 var(--highlight)}
.grid-two,.grid-three{display:grid;gap:24px}
.grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-two>*,.grid-three>*{min-width:0}
.icon{width:20px;height:20px}
.g-hi{stop-color:var(--accent-hi)}.g-lo{stop-color:var(--accent-lo)}
.announce{display:flex;align-items:center;justify-content:center;gap:10px;height:34px;padding:0 16px;background:var(--panel-2);border-bottom:1px solid var(--border);font-size:13.5px;line-height:1}
.announce-tag{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:var(--r-pill);background:linear-gradient(180deg,var(--accent-hi),var(--accent-lo));color:var(--on-accent);font-family:var(--font-display);font-size:11px;font-weight:800;letter-spacing:.06em;box-shadow:inset 0 1px 0 var(--hl-accent)}
.announce-text{font-weight:500}
.announce-arrow{color:var(--muted)}
.stage{background:linear-gradient(180deg,var(--wash-0) 0%,var(--wash-1) 52%,var(--wash-2) 100%);overflow-x:clip}
#site-header{position:relative;z-index:40;min-height:var(--head-height)}
.site-head{height:var(--head-height);position:relative;z-index:40}
.head-inner{max-width:1200px;height:100%;margin:0 auto;padding:0 32px;display:flex;align-items:center;gap:24px;flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);font-size:19px;font-weight:800;letter-spacing:-.025em;flex-shrink:0;white-space:nowrap}
.brand-mark{width:26px;height:26px;display:block;flex:none}
.mainnav{margin:0 auto;flex:1;min-width:0}
.nav-list{display:flex;align-items:center;justify-content:center;list-style:none;margin:0;padding:0;gap:4px}
.nav-link{display:inline-flex;align-items:center;justify-content:center;gap:4px;height:36px;padding:0 14px;border:0;border-radius:var(--r-pill);background:none;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;white-space:nowrap}
.nav-link:hover{background:var(--panel-2)}
.nav-link.is-active{background:var(--panel);box-shadow:0 1px 2px var(--shadow-ink-soft),inset 0 0 0 1px var(--border)}
.nav-link svg{width:14px;height:14px;color:var(--muted)}
.nav-more{position:relative}
.more-menu{position:absolute;top:calc(100% + 10px);left:50%;min-width:236px;padding:6px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:0 2px 4px var(--shadow-ink-soft),0 18px 40px -16px var(--shadow-ink);display:none;transform:translateX(-50%);z-index:45}
.nav-more.is-open .more-menu{display:block}
.more-group{padding:6px 10px 4px;font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.more-item{display:flex;flex-direction:column;gap:1px;padding:8px 10px;border-radius:var(--r-sm);min-height:44px}
.more-item:hover,.more-item.is-active{background:var(--panel-2)}
.more-name{font-size:14px;font-weight:600;line-height:1.4}
.more-desc{font-size:12px;color:var(--muted);line-height:1.4}
.head-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.lang-wrap{position:relative}
.lang{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;min-width:44px;width:auto;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--panel);font-size:14px;font-weight:500;white-space:nowrap}
.lang svg{width:15px;height:15px;color:var(--muted)}
.lang-name{white-space:nowrap}
.lang-caret{font-size:10px;color:var(--muted)}
.lang-menu{display:none;position:absolute;right:0;top:calc(100% + 10px);z-index:60;width:180px;padding:6px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-panel)}
.lang-wrap.is-open .lang-menu{display:block}
.lang-menu a{display:flex;align-items:center;min-height:40px;padding:8px 12px;border-radius:var(--r-sm)}
.lang-menu a:hover,.lang-menu a[aria-current="true"]{background:var(--panel-2)}
.btn-login{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;padding:0 15px 0 18px;border-radius:var(--r-pill);background:linear-gradient(180deg,var(--accent-hi),var(--accent-lo));color:var(--on-accent);font-size:14.5px;font-weight:700;box-shadow:inset 0 1px 0 var(--hl-accent),0 8px 18px -8px var(--shadow-amber-strong);white-space:nowrap}
.btn-login svg{width:16px;height:16px}
.menu-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;min-width:44px;min-height:44px;padding:10px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--panel)}
.menu-line{display:block;width:20px;height:2px;background:currentColor}
.menu-toggle[aria-expanded="true"] .menu-line:first-child{transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .menu-line:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] .menu-line:last-child{transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{display:none;position:fixed;top:var(--head-height);left:0;right:0;height:calc(100dvh - var(--head-height));max-height:calc(100dvh - var(--head-height));overflow-y:auto;overscroll-behavior:contain;background:var(--panel);z-index:38;padding:16px var(--gutter) 32px}
.mobile-drawer a{display:flex;align-items:center;width:100%;min-height:44px;padding:10px 14px;border-radius:var(--r-sm)}
.mobile-drawer a:hover,.mobile-drawer a.is-active{background:var(--panel-2)}
.drawer-title{font-size:13px;color:var(--muted);padding:20px 14px 8px}
html.nav-open{overflow:hidden}
.hero{position:relative;overflow-x:clip;max-width:100%;padding:26px 24px 88px}
.hero-copy{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.hero-title{margin:0;font-family:var(--font-display);font-weight:900;font-size:64px;line-height:1.1;letter-spacing:-.02em;color:var(--text)}
.kw{position:relative;display:inline-block}
.kw-line{position:absolute;left:-3%;bottom:-.1em;width:106%;height:.24em;overflow:visible;pointer-events:none;color:var(--accent)}
.hero-sub{max-width:760px;margin:14px auto 0;font-size:18px;line-height:1.55;color:var(--muted)}
.hero-sub strong{color:var(--text);font-weight:650}
.trust{display:flex;flex-wrap:wrap;justify-content:center;margin-top:10px;font-size:14px;color:var(--muted)}
.trust li{display:inline-flex;align-items:center}
.trust li+li::before{content:"·";margin:0 10px;color:var(--faint)}
.trust strong{color:var(--text);font-weight:600}
.cta-row{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;margin-top:22px}
.btn-primary,.btn-ghost,.btn-ghost-dark{display:inline-flex;align-items:center;justify-content:center;min-height:48px;border:0;border-radius:var(--r-pill);font-weight:700;white-space:nowrap;flex-shrink:0;transition:transform var(--time-fast) var(--ease-out)}
.btn-primary{gap:8px;padding:0 22px 0 26px;background:linear-gradient(180deg,var(--accent-hi),var(--accent-lo));color:var(--on-accent);font-size:17px;letter-spacing:.01em;box-shadow:inset 0 1px 0 var(--hl-accent),0 2px 4px var(--shadow-amber),0 14px 28px -12px var(--shadow-amber-strong)}
.btn-primary svg{width:18px;height:18px}
.btn-primary:hover,.btn-ghost:hover,.btn-ghost-dark:hover{transform:translateY(-1px)}
.btn-primary:active,.btn-ghost:active{transform:translateY(1px)}
.btn-primary:disabled,.btn-ghost:disabled{background:var(--panel-2);color:var(--muted);box-shadow:inset 0 0 0 1px var(--border);transform:none}
.btn-ghost{padding:0 24px;background:var(--panel);color:var(--text);font-size:16px;font-weight:600;box-shadow:inset 0 0 0 1px var(--border-strong),0 1px 2px var(--shadow-ink-soft)}
.btn-ghost-dark{padding:0 24px;color:var(--on-ink);font-size:16px;background:none;box-shadow:inset 0 0 0 1px var(--on-ink-line)}
.signup-note{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;color:var(--muted)}
.signup-note svg{width:14px;height:14px;color:var(--faint)}
.hotlines{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:14px}
.hotlines-label{display:inline-flex;align-items:center;gap:14px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--faint)}
.hotlines-label::after{content:"";width:1px;height:14px;background:var(--border-strong)}
.flag-row{display:flex;align-items:center;justify-content:center;gap:16px}
.flag-row li{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:500;color:var(--text)}
.flag{position:relative;display:inline-block;flex:none;width:21px;height:14px;border-radius:var(--r-xs);overflow:hidden}
.flag svg{display:block;width:100%;height:100%}
.flag::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px var(--flag-edge)}
.flag-sm{width:18px;height:12px}
.fr{fill:var(--flag-red)}.fw{fill:var(--flag-white)}.fb{fill:var(--flag-blue)}.fg{fill:var(--flag-green)}
.cta-band{padding:104px 24px;background:var(--ink-deep);color:var(--on-ink);overflow-x:clip}
.band-inner{max-width:980px;margin:0 auto;text-align:center}
.band-quote{font-family:var(--font-display);font-size:44px;font-weight:700;font-style:italic;line-height:1.3;letter-spacing:-.02em}
.band-meta{margin-top:20px;font-size:15px;color:var(--on-ink-muted)}
.band-meta strong{color:var(--on-ink);font-weight:600}
.cta-band .cta-row{margin-top:36px}
.site-footer{padding-top:64px;padding-bottom:32px;background:var(--panel-2);border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-brand p{max-width:350px;margin-top:16px;color:var(--muted);font-size:14px}
.footer-title{font-size:14px;font-weight:700;margin-bottom:12px}
.footer-links{display:grid;gap:6px}
.footer-links a{display:inline-flex;align-items:center;min-height:28px;font-size:14px;color:var(--muted);width:fit-content;max-width:100%}
.footer-links a:hover,.footer-languages a:hover,.footer-legal a:hover{color:var(--text);text-decoration:underline}
.footer-languages{display:flex;flex-wrap:wrap;gap:8px 20px;padding-top:32px;margin-top:32px;border-top:1px solid var(--border)}
.footer-languages a,.footer-legal a{display:inline-flex;align-items:center;min-height:28px;font-size:13px;color:var(--muted)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:24px;font-size:13px;color:var(--muted)}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.reveal{transition:opacity var(--time-reveal) var(--ease-out),transform var(--time-reveal) var(--ease-out)}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
#server-status{position:static;display:block;min-width:0;max-width:100%;overflow:hidden;margin:0 0 24px}
#server-status+*{margin-top:24px}
@media(max-width:1100px){
  .head-inner{gap:16px;padding-inline:24px}
  .nav-link{padding-inline:10px}
}
@media(max-width:960px){
  .mainnav{display:none}
  .head-actions{margin-left:auto}
  .menu-toggle{display:flex}
  html.nav-open .mobile-drawer{display:block}
  #site-header{position:sticky;top:0;background:var(--bg)}
  .footer-grid{gap:24px}
}
@media(max-width:768px){
  h1,.hero-title{font-size:clamp(28px,6vw,40px);line-height:1.15}
  h2{font-size:28px}
  .grid-three{grid-template-columns:1fr}
  .hero{padding-top:28px}
  .hero-sub{font-size:18px}
  .band-quote{font-size:32px}
}
@media(max-width:640px){
  :root{--gutter:16px;--section-gap:48px}
  .no-break{white-space:normal}
  .wrap{padding-inline:var(--gutter)}
  .grid-two,.footer-grid{grid-template-columns:1fr}
  .head-inner{padding-inline:16px;gap:8px}
  .head-actions{gap:6px;margin-left:auto}
  .brand{font-size:16px;gap:5px}
  .brand-mark{width:23px;height:23px}
  .lang{font-size:12px;padding-inline:8px;gap:4px}
  .lang svg,.lang-caret{display:none}
  .btn-login{padding-inline:12px;font-size:13px;height:36px}
  .btn-login svg{display:none}
  .menu-toggle{padding:8px}
  .announce{font-size:12px;gap:7px}
  .hero{padding:24px 16px 64px}
  .hero-sub{font-size:17px}
  .trust{font-size:12px;row-gap:4px}
  .trust li+li::before{margin-inline:6px}
  .hotlines{flex-direction:column;gap:8px}
  .hotlines-label::after{display:none}
  .flag-row{flex-wrap:wrap;gap:8px 14px}
  .flag-row li{font-size:12px}
  .cta-band{padding:64px 16px}
  .panel,.card{padding:20px}
  .tilt{transform:none}
  [data-hero-visual]{max-width:100%}
  .footer-bottom{align-items:flex-start;flex-direction:column}
}
@media(max-width:359px){
  .head-inner{padding-inline:12px;gap:5px}
  .head-actions{gap:4px}
  .lang{padding-inline:6px;font-size:11px}
  .brand{font-size:15px}
  .brand-mark{width:21px;height:21px}
  .btn-login{padding-inline:10px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:0s!important;animation-duration:0s!important;animation-iteration-count:1!important}
  .reveal,.reveal.pending{opacity:1;transform:none}
}