:root {
  --sky-top: #C7E2FD;
  --sky-bottom: #E3F0FE;
  --bg: #C7E2FD;
  --bg-panel: #FFFFFF;
  --bg-panel-2: #EEF5FE;
  --border: #D5E2F1;
  --border-strong: #B7C9DF;
  --accent: #DB1FBF;
  --accent-dark: #9C1488;
  --text: #0B1426;
  --text-muted: #4E5B72;
  --success: #1E9E57;
  --success-ink: #116A39;
  --success-soft: #E6F5EC;
  --warn: #C98206;
  --warn-ink: #805000;
  --warn-soft: #FFF3DC;
  --error: #D43B3B;
  --error-ink: #A12121;
  --error-soft: #FDECEC;
  --on-ink: #FFFFFF;
  --ink-hover: #1A2540;
  --ink-hi: rgba(255,255,255,.12);
  --focus: #9C1488;
  --glass: rgba(255,255,255,.58);
  --glass-soft: rgba(255,255,255,.34);
  --glass-edge: rgba(255,255,255,.86);
  --fog: rgba(255,255,255,.62);
  --fog-0: rgba(255,255,255,0);
  --veil: rgba(11,20,38,.32);
  --alu-edge: #FAFBFD;
  --alu-hi: #E7EAEF;
  --alu-mid: #C9CED6;
  --alu-lo: #A0A8B4;
  --alu-deep: #7E8694;
  --alu-line: rgba(110,122,140,.34);
  --alu-shine: rgba(255,255,255,.95);
  --graphite: #14171E;
  --graphite-2: #2A2F39;
  --lens: #2E3B52;
  --lens-ring: rgba(120,150,200,.28);
  --desk-a: #DCEBFE;
  --desk-b: #B8D5F7;
  --desk-glow: rgba(255,255,255,.55);
  --glare: rgba(255,255,255,.16);
  --app-chrome: #F5F8FD;
  --app-side: #F8FAFE;
  --app-line: rgba(11,20,38,.06);
  --row-line: #F0F4F9;
  --skeleton: #E4EBF4;
  --skeleton-2: #E9F1FB;
  --code-key: #0B1426;
  --code-str: #245BB0;
  --code-punc: #66748A;
  --card-ink-end: #18304D;
  --card-blue-end: #D9EBFE;
  --card-lilac: #F2E4F5;
  --card-lilac-end: #E8E8FA;
  --card-mint: #E5F5EF;
  --card-mint-end: #D7EEE7;
  --accent-shadow: rgba(219,31,191,.48);
  --accent-ring: rgba(219,31,191,.18);
  --shadow-faint: rgba(38,72,128,.08);
  --shadow-ink-soft: rgba(11,20,38,.08);
  --shadow-ink: rgba(11,20,38,.16);
  --shadow-ink-strong: rgba(11,20,38,.45);
  --shadow-cool: rgba(38,72,128,.24);
  --shadow-floor: rgba(52,84,135,.34);
  --shadow-floor-wide: rgba(52,84,135,.14);
  --shadow-floor-0: rgba(52,84,135,0);
  --font-display: "Inter","Noto Sans SC","PingFang SC","Hiragino Sans GB","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;
  --r-card: 28px;
  --r-card-lg: 32px;
  --r-btn: 14px;
  --r-small: 10px;
  --r-pill: 999px;
  --r-circle: 50%;
  --r-lid: 1.375em;
  --r-bezel: 1.1875em;
  --r-screen: .5em;
  --r-app: .875em;
  --r-device-small: .6em;
  --r-notch: 0 0 .55em .55em;
  --r-hinge: 0 0 .3em .3em;
  --r-base: .3em .3em 1.6em 1.6em / .3em .3em 1em 1em;
  --r-grip: 0 0 .7em .7em;
  --gutter: 24px;
  --reading-width: 1120px;
  --header-height: 60px;
  --space-section: 80px;
  --shadow-card: 0 2px 4px var(--shadow-faint),0 18px 36px -30px var(--shadow-cool);
  --ease-ui: 180ms ease;
  --ease-reveal: 600ms ease;
}
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html.nav-open { overflow: hidden; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-panel);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a { -webkit-tap-highlight-color: var(--accent-ring); }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; border-radius: var(--r-small); }
:target { scroll-margin-top: 90px; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.25; text-wrap: balance; overflow-wrap: break-word; }
h1 { font-size: clamp(34px,3.35vw,48px); font-weight: 900; letter-spacing: -.02em; }
h2 { font-size: clamp(26px,2.5vw,36px); font-weight: 900; letter-spacing: -.02em; }
h3 { font-size: 22px; font-weight: 800; }
h4 { font-size: 18px; font-weight: 750; }
code, pre, kbd { font-family: var(--font-mono); }
code { overflow-wrap: anywhere; }
pre {
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  padding: 20px;
  border-radius: var(--r-btn);
  color: var(--text);
  background: var(--bg-panel-2);
  font-size: 13px;
  line-height: 1.75;
  tab-size: 2;
}
pre code { overflow-wrap: normal; word-break: normal; white-space: pre; }
button:disabled, .btn[aria-disabled="true"] { cursor: not-allowed; opacity: .5; }
.wrap { width: 100%; max-width: calc(var(--reading-width) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.section--blue { color: var(--text); background: var(--bg-panel-2); }
.section-heading { text-align: center; max-width: 760px; margin-inline: auto; margin-bottom: 32px; }
.section-heading p { margin-top: 14px; color: var(--text-muted); }
.grid { 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 > *, .flex > *, .prose > *, .footer-grid > * { min-width: 0; }
.stack > * + * { margin-top: 20px; }
.flow > * + * { margin-top: 12px; }
.flex, .actions, .chips { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.chips { gap: 8px; }
.muted { color: var(--text-muted); }
.nowrap { white-space: nowrap; }
.accent { color: var(--accent-dark); }
.icon { width: 20px; height: 20px; flex-shrink: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; border: 0; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 16px; padding: 10px 16px; background: var(--bg-panel); color: var(--text); border-radius: var(--r-btn); transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 10px 24px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-btn);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  background: var(--bg-panel);
  transition: transform var(--ease-ui),background-color var(--ease-ui),border-color var(--ease-ui);
}
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.btn--ink { color: var(--on-ink); background: var(--text); border-color: var(--text); box-shadow: inset 0 1px 0 var(--ink-hi),0 12px 24px -14px var(--shadow-ink-strong); }
.btn--ink:hover, .btn--ink.is-hover { background: var(--ink-hover); color: var(--on-ink); }
.btn--line:hover, .btn--line.is-hover { border-color: var(--text); }
.btn:not(:disabled):hover { transform: translateY(-1px); }
.btn:active, .btn.is-active { transform: translateY(1px); }
.btn.is-focus { outline: 2px solid var(--focus); outline-offset: 4px; }
.btn--small { min-height: 44px; padding: 8px 16px; font-size: 14px; }
.text-link { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 4px; }
.card, .panel {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  color: var(--text);
  background: var(--bg-panel);
  box-shadow: var(--shadow-card);
  min-width: 0;
}
.panel--blue { border: 0; background: var(--bg-panel-2); color: var(--text); }
.panel--lilac { border: 0; background: var(--card-lilac); color: var(--text); }
.panel--mint { border: 0; background: var(--card-mint); color: var(--text); }
.panel--ink { border: 0; background: var(--text); color: var(--on-ink); }
.panel--ink .muted { color: var(--border); }
.prose { max-width: 800px; min-width: 0; overflow-wrap: break-word; }
.prose > * + * { margin-top: 20px; }
.prose h2 { margin-top: 52px; }
.prose h3 { margin-top: 32px; }
.prose p, .prose li { line-height: 1.9; }
.prose ul, .prose ol { padding-left: 1.5em; }
.prose a:not(.btn) { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose :not(pre) > code { padding: 2px 5px; border-radius: var(--r-small); background: var(--bg-panel-2); color: var(--text); font-size: .88em; }
.prose img { border-radius: var(--r-btn); }
.decorated, .sky, .hero-scene { position: relative; overflow-x: clip; isolation: isolate; }
.reveal { opacity: 1; transform: none; }
.reveal-ready .reveal:not(.shown) { opacity: 0; transform: translateY(18px); }
.reveal-ready .reveal { transition: opacity var(--ease-reveal),transform var(--ease-reveal); }

#site-header { position: relative; z-index: 40; }
.topbar {
  position: relative;
  z-index: 42;
  width: 100%;
  max-width: min(100%,calc(1280px + var(--gutter) * 2));
  height: var(--header-height);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 17px; font-weight: 800; letter-spacing: -.01em; color: var(--text); white-space: nowrap; }
.brand__mark { display: block; width: 34px; height: 34px; flex-shrink: 0; filter: drop-shadow(0 4px 8px var(--accent-ring)); }
.nav { min-width: 0; margin-left: auto; }
.nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2px;
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-pill);
  background: var(--glass-soft);
  color: var(--text-muted);
}
.nav__link { display: block; padding: 7px 14px; border-radius: var(--r-pill); font-size: 14px; line-height: 1.6; font-weight: 500; color: var(--text-muted); white-space: nowrap; transition: background-color var(--ease-ui),color var(--ease-ui); }
.nav__link:hover { background: var(--glass); color: var(--text); }
.nav__link[aria-current="page"] { background: var(--accent); color: var(--on-ink); font-weight: 600; box-shadow: 0 6px 14px -8px var(--accent-shadow); }
.header-tools { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.language { position: relative; }
.lang { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 36px; padding: 6px 14px; border-radius: var(--r-pill); border: 1px solid var(--glass-edge); background: var(--glass); color: var(--text); font-size: 14px; font-weight: 500; white-space: nowrap; }
.lang svg { width: 15px; height: 15px; flex-shrink: 0; }
.lang__caret { color: var(--text-muted); font-size: 11px; }
.lang__short { display: none; }
.language-menu { position: absolute; right: 0; top: calc(100% + 10px); width: 180px; padding: 8px; border: 1px solid var(--border); border-radius: var(--r-btn); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); list-style: none; z-index: 46; }
.language-menu a { display: block; min-height: 44px; padding: 9px 12px; border-radius: var(--r-small); }
.language-menu a:hover, .language-menu a[aria-current="true"] { background: var(--bg-panel-2); color: var(--text); }
.menu-toggle { display: none; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; border: 1px solid var(--border-strong); border-radius: var(--r-btn); background: var(--bg-panel); color: var(--text); }
.menu-toggle svg { width: 22px; height: 22px; flex-shrink: 0; }
.mobile-drawer { position: absolute; z-index: 45; inset: var(--header-height) 0 auto; padding: 16px var(--gutter) 24px; max-height: calc(100dvh - var(--header-height)); overflow-y: auto; overscroll-behavior: contain; background: var(--bg-panel); color: var(--text); border-bottom: 1px solid var(--border); box-shadow: 0 22px 32px -24px var(--shadow-cool); }
.mobile-drawer ul { list-style: none; padding: 0; }
.mobile-drawer a { display: block; width: 100%; min-height: 44px; padding: 12px 16px; border-radius: var(--r-btn); }
.mobile-drawer a:hover { background: var(--bg-panel-2); color: var(--text); }
.mobile-drawer a[aria-current="page"] { background: var(--accent); color: var(--on-ink); }
.mobile-drawer__languages { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 12px !important; }
.nav-veil { position: fixed; inset: var(--header-height) 0 0; z-index: 41; border: 0; background: var(--veil); color: var(--on-ink); width: 100%; }
.site-footer { background: var(--bg-panel-2); color: var(--text); padding-top: 56px; padding-bottom: 28px; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1.3fr .8fr; gap: 40px; }
.footer-brand p { margin-top: 18px; max-width: 320px; color: var(--text-muted); font-size: 14px; }
.footer-title { margin-bottom: 14px; font-size: 15px; font-weight: 800; }
.footer-list { list-style: none; padding: 0; }
.footer-list a { display: inline-block; padding-top: 5px; padding-bottom: 5px; font-size: 14px; color: var(--text-muted); overflow-wrap: anywhere; }
.footer-list a:hover { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 13px; }
.footer-legal { display: flex; gap: 20px; flex-wrap: wrap; }

.sky { height: 880px; overflow: hidden; background: linear-gradient(180deg,var(--sky-top),var(--sky-bottom)); color: var(--text); }
.sky::before, .sky::after { content: ""; position: absolute; z-index: -1; pointer-events: none; background: radial-gradient(closest-side,var(--fog),var(--fog-0)); }
.sky::before { left: -12%; top: 54%; width: 760px; height: 460px; }
.sky::after { right: -9%; top: 7%; width: 620px; height: 360px; }
.hero { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; text-align: center; padding: 16px 24px 0; }
.badge { display: inline-flex; align-items: center; gap: 10px; min-height: 30px; padding: 3px 15px 3px 4px; border-radius: var(--r-pill); background: var(--glass); color: var(--text); border: 1px solid var(--glass-edge); box-shadow: 0 1px 2px var(--shadow-faint); font-size: 13px; line-height: 1.5; }
.badge__tag { display: inline-flex; align-items: center; min-height: 22px; padding: 1px 9px; border-radius: var(--r-pill); background: var(--success); color: var(--on-ink); font-size: 12px; font-weight: 700; letter-spacing: .01em; flex-shrink: 0; }
.hero__title { margin-top: 16px; font-family: var(--font-display); font-weight: 900; font-size: clamp(30px,3.35vw,48px); line-height: 1.08; letter-spacing: -.03em; color: var(--text); }
.hero__title > span { display: block; }
.hero__title em { font-style: normal; color: var(--accent); }
.cta { margin-top: 22px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.lede { margin-top: 14px; max-width: 760px; font-size: 16px; line-height: 1.6; color: var(--text-muted); }
.lede strong { color: var(--text); font-weight: 700; }
.platforms { margin-top: 12px; padding: 0; list-style: none; display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.platforms a { display: inline-flex; align-items: center; gap: 8px; min-height: 28px; padding: 2px 12px 2px 2px; border-radius: var(--r-pill); font-size: 13.5px; font-weight: 500; color: var(--text-muted); }
.platforms a:hover { background: var(--glass-soft); color: var(--text); }
.platforms__ico { width: 24px; height: 24px; border-radius: var(--r-circle); display: grid; place-items: center; background: var(--glass); color: var(--text); border: 1px solid var(--glass-edge); flex-shrink: 0; }
.platforms__ico svg { width: 12px; height: 12px; }
.rig { position: relative; isolation: isolate; font-size: min(1.1111vw,17px); width: 55.8em; margin-top: 22px; text-align: left; line-height: 1.4; }
.rig__lid { position: relative; width: 50em; height: 27.5em; margin-inline: auto; padding: .1875em; border-radius: var(--r-lid); background: linear-gradient(180deg,var(--alu-edge),var(--alu-mid) 70%,var(--alu-lo)); color: var(--text); transform: perspective(150em) rotateX(8deg); transform-origin: 50% 100%; box-shadow: 0 0 0 1px var(--alu-line),0 2.5em 4em -2em var(--shadow-cool); }
.rig__bezel { position: relative; height: 100%; padding: .8125em .8125em .9375em; border-radius: var(--r-bezel); background: linear-gradient(180deg,var(--graphite-2),var(--graphite) 10%); color: var(--on-ink); }
.rig__notch { position: absolute; z-index: 3; top: .8125em; left: 50%; width: 7.5em; height: .875em; transform: translateX(-50%); border-radius: var(--r-notch); background: var(--graphite); color: var(--on-ink); }
.rig__notch::after { content: ""; position: absolute; left: 50%; top: 50%; width: .3125em; height: .3125em; margin: -.16em 0 0 -.16em; border-radius: var(--r-circle); background: var(--lens); box-shadow: 0 0 0 .0625em var(--lens-ring); }
.rig__screen { position: relative; height: 100%; overflow: hidden; border-radius: var(--r-screen); background: radial-gradient(60% 70% at 80% 16%,var(--desk-glow),var(--fog-0) 70%),linear-gradient(165deg,var(--desk-a),var(--desk-b)); color: var(--text); }
.rig__screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(118deg,var(--glare),var(--fog-0) 38%); }
.rig__hinge { width: 46em; height: .3125em; margin-inline: auto; border-radius: var(--r-hinge); background: linear-gradient(180deg,var(--graphite-2),var(--alu-deep)); color: var(--text); }
.rig__base { position: relative; height: 1em; border-radius: var(--r-base); background: linear-gradient(180deg,var(--alu-edge),var(--alu-hi) 20%,var(--alu-mid) 62%,var(--alu-lo)); color: var(--text); box-shadow: 0 1px 0 var(--alu-deep),0 .6em 1em -.4em var(--shadow-floor); }
.rig__base::after { content: ""; position: absolute; top: .06em; left: 1.2%; right: 1.2%; height: 1px; background: linear-gradient(90deg,var(--fog-0),var(--alu-shine) 18%,var(--alu-shine) 82%,var(--fog-0)); }
.rig__base::before { content: ""; position: absolute; z-index: 1; top: 0; left: 50%; width: 8em; height: .42em; margin-left: -4em; border-radius: var(--r-grip); background: linear-gradient(180deg,var(--alu-lo),var(--alu-mid)); }
.rig__shadow { position: absolute; z-index: -1; left: -7%; right: -7%; bottom: -2.8em; height: 4.6em; background: radial-gradient(42% 32% at 50% 36%,var(--shadow-floor),var(--shadow-floor-0)),radial-gradient(50% 50% at 50% 50%,var(--shadow-floor-wide),var(--shadow-floor-0)); }
.app { position: absolute; left: 2.75em; top: 1.5em; width: 35em; height: 22.25em; display: flex; flex-direction: column; overflow: hidden; border-radius: var(--r-app); background: var(--bg-panel); color: var(--text); box-shadow: 0 0 0 1px var(--app-line),0 1.25em 2.5em -1em var(--shadow-cool); }
.app__title { position: relative; flex: none; height: 2.125em; display: flex; align-items: center; gap: .4375em; padding: 0 .875em; background: var(--app-chrome); color: var(--text); }
.dot { display: block; width: .625em; height: .625em; border-radius: var(--r-circle); flex-shrink: 0; }
.dot--r { background: var(--error); }
.dot--y { background: var(--warn); }
.dot--g { background: var(--success); }
.app__name { position: absolute; left: 50%; transform: translateX(-50%); font-size: .78em; font-weight: 700; color: var(--text); }
.app__menu { height: 1.75em; flex: none; display: flex; align-items: center; gap: 1.15em; padding: 0 .875em; background: var(--app-chrome); color: var(--text-muted); border-bottom: 1px solid var(--border); }
.app__menu span { font-size: .68em; font-weight: 500; }
.app__body { flex: 1; min-height: 0; display: grid; grid-template-columns: 8.25em minmax(0,1fr); }
.app__side { display: flex; flex-direction: column; gap: .125em; padding: .625em .5em; background: var(--app-side); color: var(--text-muted); border-right: 1px solid var(--border); }
.grp { display: flex; align-items: center; gap: .55em; padding: .5em .65em; border-radius: var(--r-device-small); font-size: .72em; color: var(--text-muted); }
.grp--on { background: var(--bg-panel-2); color: var(--text); font-weight: 600; }
.app__main { min-width: 0; overflow: hidden; padding: .5em .875em 0; }
.tbl { display: grid; grid-template-columns: 13% 24% 32% 12% 19%; align-items: center; }
.tbl--head { height: 2em; border-bottom: 1px solid var(--border); }
.tbl--head span { font-size: .66em; font-weight: 600; color: var(--text-muted); }
.tbl--row { height: 1.75em; border-bottom: 1px solid var(--row-line); }
.bar { display: block; height: .4375em; width: 70%; border-radius: var(--r-pill); background: var(--skeleton); }
.bar--t { width: 2.25em; height: .75em; border-radius: var(--r-screen); background: var(--skeleton-2); }
.w55 { width: 55%; }
.w62 { width: 62%; }
.w78 { width: 78%; }
.w86 { width: 86%; }
.app__status { flex: none; height: 2.75em; display: flex; align-items: center; gap: 1.125em; padding: 0 .875em; background: var(--app-chrome); color: var(--text); border-top: 1px solid var(--border); }
.opt { display: flex; align-items: center; gap: .5em; }
.opt__label { font-size: .68em; font-weight: 500; color: var(--text-muted); }
.sel { display: inline-flex; align-items: center; gap: .5em; height: 2.3em; padding: 0 .7em; border-radius: var(--r-device-small); border: 1px solid var(--border); background: var(--bg-panel); color: var(--text); font-size: .68em; font-weight: 600; }
.tog { position: relative; display: block; width: 1.875em; height: 1.0625em; border-radius: var(--r-pill); background: var(--accent); box-shadow: 0 0 0 .2em var(--accent-ring); flex-shrink: 0; }
.tog::after { content: ""; position: absolute; top: .125em; right: .125em; width: .8125em; height: .8125em; border-radius: var(--r-circle); background: var(--bg-panel); box-shadow: 0 1px 2px var(--shadow-ink); }
.snip { position: absolute; z-index: 2; right: .5em; bottom: 3.125em; width: 17.5em; overflow: hidden; border-radius: var(--r-app); background: var(--bg-panel); color: var(--text); border: 1px solid var(--border); box-shadow: 0 .125em .375em var(--shadow-ink-soft),0 1.75em 3.5em -1.1em var(--shadow-cool); }
.snip__bar { display: flex; align-items: center; gap: .375em; height: 2em; padding: 0 .875em; background: var(--app-chrome); color: var(--text-muted); border-bottom: 1px solid var(--border); }
.snip__bar .dot { width: .5625em; height: .5625em; }
.snip__file { margin-left: .55em; font-family: var(--font-mono); font-size: .64em; }
.code { padding: .95em 1.15em 1.05em; font-family: var(--font-mono); font-size: .7em; line-height: 1.62; color: var(--code-punc); }
.ln { display: block; white-space: pre; }
.ln--hl { margin: 0 -1.15em; padding: 0 1.15em; background: var(--bg-panel-2); color: var(--code-punc); box-shadow: inset 2px 0 0 var(--code-str); }
.k { color: var(--code-key); font-weight: 500; }
.s { color: var(--code-str); }
.shelf { background: var(--bg-panel); color: var(--text); padding-top: 72px; padding-bottom: 96px; text-align: center; }
.shelf__title { font-weight: 900; font-size: clamp(24px,2.5vw,36px); line-height: 1.16; letter-spacing: -.02em; }
.shelf__title span { display: block; }
.shelf__lede { margin: 14px auto 0; max-width: 620px; font-size: 16px; line-height: 1.65; color: var(--text-muted); }

@media (min-width: 1440px) { :root { --gutter: 40px; } }
@media (max-width: 1279px) {
  .nav { display: none; }
  .header-tools { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
}
@media (min-width: 1280px) { .mobile-drawer, .nav-veil { display: none !important; } }
@media (max-width: 960px) {
  .sky { height: auto; padding-bottom: 0; }
  .rig { font-size: 1.6vw; }
  .lede { max-width: 560px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .grid--three { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 768px) {
  h1, .hero__title { font-size: clamp(24px,4vw,30px); line-height: 1.15; letter-spacing: -.02em; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; --header-height: 56px; --space-section: 52px; }
  .topbar { gap: 8px; }
  .brand { font-size: 16px; gap: 8px; }
  .brand__mark { width: 30px; height: 30px; }
  .lang { min-height: 44px; padding-inline: 10px; }
  .lang__full { display: none; }
  .lang__short { display: inline; }
  .hero { padding: 12px 16px 0; }
  .hero__title { font-size: clamp(24px,7vw,30px); }
  .badge { font-size: 12px; text-align: left; }
  .btn { min-height: 46px; padding: 10px 20px; font-size: 15px; }
  .lede { font-size: 15px; }
  .rig { font-size: 1.66vw; margin-top: 28px; }
  .tilt, [data-tilt] { transform: none !important; }
  .grid--two, .grid--three, .footer-grid { grid-template-columns: minmax(0,1fr); }
  .card, .panel { padding: 22px; }
  .footer-grid { gap: 28px; }
  .platforms { gap: 4px; }
  .platforms a { padding-right: 6px; font-size: 12px; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal-ready .reveal:not(.shown) { opacity: 1; transform: none; }
}