:root{
  --bg:#ffffff;
  --bg-panel:#f7f7fa;
  --bg-panel-2:#f0f1f7;
  --border:#e6e7ee;
  --accent:#2343f2;
  --accent-dark:#1630c4;
  --accent-light:#7a8af4;
  --accent-wash:rgba(35,67,242,0.08);
  --accent-ring:rgba(35,67,242,0.16);
  --accent-line:rgba(35,67,242,0.32);
  --text:#14151a;
  --text-muted:#5d6070;
  --chev:#a4a7b6;
  --success:#1f9d6b;
  --warn:#c98a12;
  --error:#d6384a;
  --on-accent:#ffffff;
  --glow-pink:#f7d6ea;
  --glow-lilac:#ddd2f7;
  --glow-blue:#cdd9fb;
  --glow-pink-a:rgba(247,214,234,0.95);
  --glow-lilac-a:rgba(221,210,247,0.92);
  --glow-blue-a:rgba(205,217,251,0.95);
  --mist:rgba(255,255,255,0.78);
  --clear:rgba(255,255,255,0);
  --cell-deep-a:#d8cdf6;
  --cell-deep-b:#b9c8fa;
  --screen-a:#4f66f4;
  --screen-b:#8f7fee;
  --screen-c:#cdbff4;
  --glass:rgba(255,255,255,0.56);
  --glass-edge:rgba(255,255,255,0.86);
  --chip-bg:rgba(255,255,255,0.82);
  --white-line:rgba(255,255,255,0.95);
  --white-faint:rgba(255,255,255,0.5);
  --shade:rgba(40,46,128,0.24);
  --shade-soft:rgba(20,21,26,0.05);
  --veil:rgba(20,21,26,0.3);
  --shadow-tile:0 1px 2px var(--shade-soft),0 24px 46px -32px var(--shade);
  --shadow-pop:0 12px 36px -18px var(--shade);
  --gradient-field:radial-gradient(52% 34% at 50% 0%,var(--mist),var(--clear) 100%),radial-gradient(62% 48% at 30% 22%,var(--glow-pink-a),var(--clear) 72%),radial-gradient(58% 54% at 90% 86%,var(--glow-blue-a),var(--clear) 72%),linear-gradient(160deg,var(--glow-pink) 0%,var(--glow-lilac) 52%,var(--glow-blue) 100%);
  --font-display:"Inter","Noto Sans SC","Noto Sans JP","Noto Sans KR","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","Noto Sans JP","Noto Sans KR","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --weight-regular:400;
  --weight-medium:500;
  --weight-strong:600;
  --track-display:-0.025em;
  --track-cjk:-0.02em;
  --r-section:36px;
  --r-float:22px;
  --r-group:14px;
  --r-pill:999px;
  --r-shot:8px;
  --r-shot-limit:10px;
  --r-mark:9px;
  --r-small:5px;
  --r-circle:50%;
  --page-max:1440px;
  --reading-max:960px;
  --header-content:1280px;
  --gutter:56px;
  --section-space:160px;
  --card-gap:24px;
  --header-height:64px;
  --focus-width:3px;
  --motion-fast:160ms;
  --motion-reveal:600ms;
  --ease-out:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
html.nav-open{overflow:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;text-underline-offset:.2em}
a:hover{color:var(--accent-dark)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
button,a,input,select,textarea,summary{-webkit-tap-highlight-color:var(--accent-ring)}
:focus-visible{outline:var(--focus-width) solid var(--accent);outline-offset:4px}
[hidden]{display:none!important}
img,svg,video{max-width:100%}
img{height:auto}
figure,blockquote{margin:0}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-family:var(--font-display);font-weight:var(--weight-regular);letter-spacing:var(--track-cjk);text-wrap:balance;overflow-wrap:break-word}
h1{font-size:clamp(34px,3.4vw,48px);line-height:1.16}
h2{font-size:clamp(26px,2.7vw,38px);line-height:1.25}
h3{font-size:22px;line-height:1.4}
strong{font-weight:var(--weight-strong)}
ul,ol{margin:0;padding-left:1.5em}
button{border:0}
code,kbd,pre{font-family:var(--font-mono)}
code{font-size:.875em;overflow-wrap:anywhere}
pre{max-width:100%;min-width:0;margin:24px 0;padding:22px;background:var(--bg-panel-2);color:var(--text);border:1px solid var(--border);border-radius:var(--r-group);overflow-x:auto;overscroll-behavior-x:contain;line-height:1.8;tab-size:2}
pre code{font-size:13px;white-space:pre;overflow-wrap:normal;word-break:normal}
hr{border:0;border-top:1px solid var(--border);margin:40px 0}
section[id],article[id],h2[id],h3[id],[role="tabpanel"]{scroll-margin-top:88px}
.shell,.wrap{width:100%;max-width:var(--page-max);margin-inline:auto;padding-inline:var(--gutter)}
.reading{max-width:calc(var(--reading-max) + var(--gutter)*2)}
.shell>*,.wrap>*,.grid>*,.hero-grid>*,.store-grid>*,.footer-grid>*{min-width:0}
.grid{display:grid;gap:var(--card-gap)}
.grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}
.section{padding-top:var(--section-space);padding-bottom:var(--section-space)}
.section-heading{max-width:760px;margin-bottom:48px}
.section-heading p{margin-top:18px;color:var(--text-muted);line-height:1.8}
.panel,.card{min-width:0;padding:40px;border-radius:var(--r-section);background:var(--bg-panel);color:var(--text)}
.panel-white{background:var(--bg);color:var(--text);border:1px solid var(--border)}
.card h3+p,.panel h3+p{margin-top:14px}
.card p,.panel p{color:var(--text-muted)}
.text-muted{color:var(--text-muted)}
.tone{color:var(--accent)}
.keep{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link{position:fixed;top:8px;left:16px;z-index:100;padding:12px 20px;background:var(--accent);color:var(--on-accent);border-radius:var(--r-pill);transform:translateY(-180%)}
.skip-link:focus{transform:none;color:var(--on-accent)}
.ico{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ico-fill{fill:currentColor;stroke:none}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:52px;max-width:100%;padding:12px 26px;border:1.5px solid var(--clear);border-radius:var(--r-pill);font-size:16px;font-weight:var(--weight-medium);letter-spacing:-.005em;line-height:1.45;text-align:center;transition:background var(--motion-fast),border-color var(--motion-fast),color var(--motion-fast)}
.btn .ico{width:18px;height:18px}
.btn-solid{background:var(--accent);color:var(--on-accent)}
.btn-solid:hover,.btn-solid.is-hover{background:var(--accent-dark);color:var(--on-accent)}
.btn-line{background:var(--bg);color:var(--accent);border-color:var(--accent-line)}
.btn-line:hover,.btn-line.is-hover{border-color:var(--accent);color:var(--accent-dark)}
.btn-quiet{background:var(--bg-panel-2);color:var(--text)}
.btn-quiet:hover{background:var(--border);color:var(--text)}
.btn:disabled,.btn[aria-disabled="true"]{background:var(--bg-panel-2);color:var(--text-muted);border-color:var(--border)}
.btn.is-focus{outline:var(--focus-width) solid var(--accent);outline-offset:4px}
.cta-row,.get-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:34px}
.get-note{margin-top:14px;font-size:13.5px;color:var(--text-muted)}
.get-note [data-pkg-ver]{font-family:var(--font-mono);font-size:12.5px;color:var(--text)}
.masthead,#site-header{position:sticky;top:0;z-index:40;background:var(--bg);color:var(--text);border-bottom:1px solid var(--border)}
.masthead-shell{width:100%;max-width:min(100%,calc(var(--header-content) + var(--gutter)*2));margin-inline:auto;padding-inline:var(--gutter)}
.masthead-row{height:var(--header-height);display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);font-size:15px;font-weight:var(--weight-medium);letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-logo{display:block;width:32px;height:32px;flex-shrink:0;border-radius:var(--r-circle)}
.brand-mark{position:relative;width:32px;height:32px;flex:none;border-radius:var(--r-mark);background:var(--bg-panel-2);color:var(--text);border:1px solid var(--border)}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:var(--r-small);border:1.5px dashed var(--accent-light)}
.topnav{margin-left:auto;min-width:0}
.topnav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.topnav-link{display:flex;align-items:center;gap:6px;min-height:34px;padding:5px 11px;border-radius:var(--r-pill);font-size:14px;color:var(--text-muted);white-space:nowrap}
.topnav-link:hover{color:var(--text);background:var(--bg-panel)}
.topnav-link[aria-current="page"]{color:var(--accent);background:var(--accent-wash)}
.header-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.language-picker{position:relative}
.lang{display:flex;align-items:center;justify-content:center;gap:7px;min-height:34px;padding:6px 14px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--bg);color:var(--text);font-size:13.5px;white-space:nowrap}
.lang .ico{color:var(--text-muted)}
.lang-caret{font-size:11px;color:var(--text-muted)}
.lang-short{display:none}
.language-menu{position:absolute;right:0;top:calc(100% + 12px);width:200px;padding:8px;list-style:none;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--r-group);box-shadow:var(--shadow-pop);z-index:44}
.language-menu a{display:flex;align-items:center;min-height:44px;padding:10px 14px;color:var(--text);border-radius:var(--r-small)}
.language-menu a:hover,.language-menu a[aria-current="true"]{background:var(--accent-wash);color:var(--accent)}
.menu-toggle{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--r-pill)}
.menu-toggle .ico{width:20px;height:20px}
.mobile-drawer{display:none}
.nav-veil{position:fixed;inset:var(--header-height) 0 0;z-index:39;background:var(--veil);color:var(--text);border:0;width:100%;height:calc(100dvh - var(--header-height));padding:0}
.hero{padding-top:28px;padding-bottom:40px;overflow-x:clip}
.hero-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1fr);gap:64px;align-items:center}
.hero-copy{max-width:600px;padding-left:8px;min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;min-height:32px;padding:5px 14px 5px 12px;border-radius:var(--r-pill);background:var(--bg-panel);color:var(--text-muted);border:1px solid var(--border);font-size:13px}
.eyebrow-dot{width:8px;height:8px;flex-shrink:0;border-radius:var(--r-circle);background:var(--accent);box-shadow:0 0 0 4px var(--accent-ring)}
.hero-title{margin-top:28px;font-size:clamp(34px,3.4vw,48px);font-weight:var(--weight-regular);line-height:1.16;letter-spacing:var(--track-cjk)}
.hero-title>span{display:block}
.hero-lede{margin-top:22px;max-width:34em;font-size:17px;line-height:1.78;color:var(--text-muted)}
.hero-lede strong{color:var(--text);font-weight:var(--weight-strong)}
.platform-band{margin-top:36px;padding-top:22px;border-top:1px solid var(--border);display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.platforms{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin:0;padding:0}
.platforms li{min-width:0}
.platforms a{display:flex;align-items:center;gap:7px;min-height:24px;font-size:14px;color:var(--text)}
.platforms a:hover{color:var(--accent)}
.platforms .ico{color:var(--text-muted)}
.price-pill{display:inline-flex;align-items:center;min-height:30px;max-width:100%;padding:5px 14px;border-radius:var(--r-pill);background:var(--accent-wash);color:var(--accent-dark);font-size:13px;line-height:1.5}
.prose{min-width:0;line-height:1.9}
.prose p,.prose ul,.prose ol,.prose blockquote{margin-block:20px}
.prose li+li{margin-top:10px}
.prose h2{margin-top:72px;margin-bottom:24px}
.prose h3{margin-top:36px;margin-bottom:16px}
.prose a{text-decoration:underline}
.prose code{color:var(--accent-dark)}
.prose pre code{color:var(--text)}
.prose img{max-width:100%}
.reveal{opacity:1;transform:none}
.reveal-enabled .reveal{opacity:0;transform:translateY(16px);transition:opacity var(--motion-reveal) var(--ease-out),transform var(--motion-reveal) var(--ease-out)}
.reveal-enabled .reveal.shown{opacity:1;transform:none}
.site-footer{padding-top:72px;padding-bottom:32px;background:var(--bg-panel);color:var(--text)}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr 1fr .65fr;gap:48px}
.footer-brand p{max-width:29em;margin-top:22px;color:var(--text-muted);font-size:14px;line-height:1.85}
.footer-heading{font-size:14px;font-weight:var(--weight-medium);margin-bottom:18px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li+li{margin-top:10px}
.footer-links a{display:inline-block;color:var(--text-muted);font-size:14px;overflow-wrap:anywhere}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:64px;padding-top:24px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}
.footer-bottom a{color:var(--text-muted)}
@media(min-width:1025px) and (max-width:1400px){
  .topnav-link{padding-inline:6px;font-size:13px}
  .topnav .ico{display:none}
  .masthead-row{gap:16px}
}
@media(max-width:1024px){
  .topnav{display:none}
  .header-tools{margin-left:auto}
  .menu-toggle{display:flex}
  .mobile-drawer:not([hidden]){display:block;position:absolute;top:100%;left:0;right:0;padding:16px var(--gutter) 24px;max-height:calc(100dvh - var(--header-height));overflow-y:auto;overscroll-behavior:contain;background:var(--bg);color:var(--text);border-bottom:1px solid var(--border);z-index:42}
  .mobile-nav-list,.mobile-language-list{list-style:none;margin:0;padding:0}
  .mobile-nav-list a,.mobile-language-list a{display:flex;align-items:center;gap:12px;width:100%;min-height:48px;padding:12px 16px;color:var(--text);border-radius:var(--r-group)}
  .mobile-nav-list a:hover,.mobile-language-list a:hover,.mobile-nav-list a[aria-current="page"],.mobile-language-list a[aria-current="true"]{background:var(--accent-wash);color:var(--accent)}
  .mobile-languages{padding-top:16px;margin-top:16px;border-top:1px solid var(--border)}
  .mobile-languages p{padding-inline:16px;font-size:13px;color:var(--text-muted);margin-bottom:8px}
}
@media(max-width:1024px){
  :root{--gutter:20px}
  .hero{padding-top:24px;padding-bottom:32px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .hero-copy{max-width:none;padding-left:0}
  .hero-title{margin-top:22px}
  .hero-lede{font-size:16px}
  .hero .get-actions,.hero .cta-row{margin-top:26px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}
}
@media(max-width:768px){
  h1,.hero-title{font-size:clamp(24px,5vw,30px);line-height:1.2}
  .grid-two{grid-template-columns:minmax(0,1fr)}
  .panel,.card{padding:28px;border-radius:var(--r-float)}
  .section-heading{margin-bottom:32px}
}
@media(max-width:640px){
  :root{--gutter:20px}
  .masthead-row{gap:8px}
  .brand{font-size:14px;gap:8px}
  .brand-logo,.brand-mark{width:28px;height:28px}
  .header-tools{gap:6px;margin-left:auto}
  .lang{min-height:44px;padding-inline:10px}
  .lang-full,.lang>.ico{display:none}
  .lang-short{display:inline}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-bottom{margin-top:40px}
  .tilt,[data-tilt]{transform:none!important}
  .platforms{gap:8px 16px}
  .platforms a{font-size:13px}
  .hero-lede{line-height:1.7}
  .hero .eyebrow{font-size:12px}
  .section-heading p{font-size:15px}
  pre{padding:16px}
}
@media(max-width:420px){
  .btn{min-height:48px;padding:11px 20px;font-size:15px}
  .brand{font-size:12px}
  .hero-title>span{white-space:normal}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal-enabled .reveal{opacity:1;transform:none}
}