/* ==========================================================================
   Miku Network — site styles (shared by every page; the products page adds products.css)
   Light glass hero → white statement → dark story sections → white → footer
   ========================================================================== */

/* Self-hosted variable fonts (SIL Open Font License) so the site does not
   depend on Google Fonts, which is unreachable from mainland China.
   Chinese text falls back to the system CJK fonts in --font. */
@font-face {
  font-family: "Red Hat Display"; font-style: normal; font-weight: 300 900; font-display: swap;
  src: url("../assets/fonts/red-hat-display-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Red Hat Display"; font-style: normal; font-weight: 300 900; font-display: swap;
  src: url("../assets/fonts/red-hat-display-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 500; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --brand: #128afa;
  --brand-2: #4aa6ff;
  --brand-3: #8fd0ff;
  --brand-ink: #0b5fd6;
  --navy: #0b1d5a;
  --ink: #0c1222;
  --ink-2: #2b3346;
  --muted: #5c6477;
  --muted-2: #8a91a2;
  --line: rgba(12, 18, 34, .08);
  --paper: #ffffff;
  --ice: #eef3fc;
  --mist: #f5f8fe;
  --night: #050609;
  --on-dark: #f2f4f8;
  --on-dark-2: rgba(242, 244, 248, .64);
  --on-dark-3: rgba(242, 244, 248, .4);
  --ok: #16a34a;
  --warn: #d97706;

  --radius-xl: 28px;
  --radius-lg: 22px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --pad: clamp(20px, 4.4vw, 64px);
  --maxw: 1320px;

  --font: "Red Hat Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--paper);
}
html:not(.lenis) { scroll-behavior: smooth; }
html.has-intro { overflow: hidden; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, canvas { display: block; }
[hidden] { display: none !important; }
a { color: inherit; }
button { font: inherit; color: inherit; }
::selection { background: rgba(18, 138, 250, .22); }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }

.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;
}
.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 200;
  padding: 10px 16px; border-radius: 10px; background: #0b0e14; color: #fff; text-decoration: none;
  transition: top .3s var(--ease);
}
.skip-link:focus { top: 16px; }

.container { width: min(100% - 2 * var(--pad), var(--maxw)); margin-inline: auto; }
.mono { font-family: var(--mono); }

/* Icons are inline SVGs injected by site.js into [data-icon] */
.i { display: inline-grid; place-items: center; width: 22px; height: 22px; flex: none; }
.i svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.i--sm { width: 16px; height: 16px; }
.i--xs { width: 14px; height: 14px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  margin: 0;
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--on-dark-3);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .7; }
.eyebrow--ink { color: var(--muted); }
:lang(zh-CN) .eyebrow { letter-spacing: .12em; }

.h2 {
  margin: 18px 0 0;
  font-size: clamp(34px, 4.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.035em;
  font-weight: 600;
}
.h2--xl { font-size: clamp(42px, 5.8vw, 92px); letter-spacing: -.045em; line-height: .98; }
:lang(zh-CN) .h2 { letter-spacing: -.01em; line-height: 1.12; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; padding: 0 24px;
  border-radius: 999px; border: 0;
  font-size: 15px; font-weight: 600; letter-spacing: -.005em;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform .45s var(--ease), background-color .3s, color .3s, box-shadow .45s var(--ease);
}
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform .45s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:hover { transform: translateY(-1px); }
.btn--dark { background: #0d1017; color: #fff; box-shadow: 0 14px 30px -14px rgba(11, 29, 90, .55); }
.btn--dark:hover { background: #1b2130; box-shadow: 0 18px 36px -14px rgba(11, 29, 90, .6); }
.btn--light { background: #f4f6fa; color: #0b0e14; }
.btn--light:hover { background: #fff; }
.btn--glass {
  background: rgba(255, 255, 255, .55); color: var(--ink);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .95), 0 10px 26px -14px rgba(20, 40, 120, .3);
  -webkit-backdrop-filter: blur(14px) saturate(1.4); backdrop-filter: blur(14px) saturate(1.4);
}
.btn--glass:hover { background: rgba(255, 255, 255, .8); }

/* ---------- Reveal ---------- */
.js [data-reveal] {
  opacity: 0; transform: translateY(26px); filter: blur(8px);
  transition: opacity 1s var(--ease) var(--d, 0s), transform 1.2s var(--ease) var(--d, 0s), filter 1s var(--ease) var(--d, 0s);
}
.js [data-reveal].is-in,
.js.is-ready .hero [data-reveal] { opacity: 1; transform: none; filter: none; }

/* ==========================================================================
   Intro
   ========================================================================== */
.intro {
  position: fixed; inset: 0; z-index: 120;
  display: none; place-items: center;
  background: #03050a; color: #fff; overflow: hidden;
  clip-path: inset(0 0 0 0);
  cursor: pointer;
}
.has-intro .intro { display: grid; }
.intro__glow {
  position: absolute; left: 50%; top: 50%;
  width: 150vmax; height: 150vmax; translate: -50% -50%;
  background: radial-gradient(closest-side, rgba(18, 138, 250, .5), rgba(18, 138, 250, .22) 24%, rgba(18, 138, 250, .06) 48%, transparent 70%);
  opacity: 0; transform: scale(.25);
  animation: intro-glow 1.8s var(--ease) .05s forwards;
}
.intro__inner { position: relative; text-align: center; }
.intro__logo {
  width: min(320px, 64vw); height: auto; margin-inline: auto;
  opacity: 0; filter: blur(14px); transform: scale(.94);
  animation: intro-in 1.1s var(--ease) .3s forwards;
}
.intro__line {
  margin: 22px 0 0; font-size: 16px; letter-spacing: .01em; color: rgba(255, 255, 255, .78);
  opacity: 0; filter: blur(8px);
  animation: intro-in .9s var(--ease) .75s forwards;
}
.intro.is-leaving { animation: intro-out 1s var(--ease-io) forwards; pointer-events: none; }
@keyframes intro-glow { 60% { opacity: .9; } to { opacity: .55; transform: scale(1); } }
@keyframes intro-in { to { opacity: 1; filter: blur(0); transform: none; } }
@keyframes intro-out { to { clip-path: inset(0 0 100% 0); } }

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: fixed; top: calc(14px + env(safe-area-inset-top, 0px)); left: 0; right: 0; z-index: 60;
  display: flex; justify-content: center;
  padding: 0 12px;
  pointer-events: none;
}
.nav__pill {
  pointer-events: auto; position: relative;
  display: flex; align-items: center; gap: 26px;
  height: 56px; padding: 0 8px 0 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .9), 0 12px 40px -14px rgba(16, 28, 70, .22);
  -webkit-backdrop-filter: blur(20px) saturate(1.6); backdrop-filter: blur(20px) saturate(1.6);
  transition: background-color .5s var(--ease), box-shadow .5s var(--ease);
}
.nav__brand { position: relative; display: flex; align-items: center; height: 100%; flex: none; }
.nav__logo { height: 23px; width: auto; transition: opacity .45s var(--ease); }
.nav__logo--light { position: absolute; left: 0; top: 50%; translate: 0 -50%; opacity: 0; }
.nav__links { display: flex; align-items: center; align-self: stretch; gap: 2px; }
.nav__item { position: relative; display: flex; align-items: center; height: 100%; }
.nav__item--mega { position: static; } /* the product panel centres on the whole pill */
.nav__link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 12px; border: 0; border-radius: 999px; background: none; cursor: pointer;
  font-size: 14.5px; font-weight: 500; line-height: 1.5; color: #474e5f; text-decoration: none; white-space: nowrap;
  transition: color .3s, background-color .3s;
}
.nav__link:hover, .nav__item.is-open .nav__link { color: #0b0e14; background: rgba(12, 18, 34, .05); }
.nav__link[aria-current="page"] { color: #0b0e14; }
.nav__trigger .i { opacity: .7; transition: transform .3s var(--ease); }
.nav__item.is-open .nav__trigger .i { transform: rotate(180deg); }

/* Dropdown panels follow the pill's light / dark theme */
.nav__panel {
  --p-bg: rgba(255, 255, 255, .97); --p-ink: var(--ink); --p-ink-2: var(--ink-2); --p-muted: var(--muted); --p-faint: var(--muted-2);
  --p-hover: #eef3fc; --p-line: rgba(12, 18, 34, .08); --p-accent: var(--brand-ink); --p-icon: var(--brand);
  position: absolute; top: calc(100% + 10px); left: 0; z-index: 2;
  border-radius: 22px; background: var(--p-bg); color: var(--p-ink);
  box-shadow: inset 0 0 0 1px rgba(12, 18, 34, .06), 0 30px 80px -24px rgba(16, 28, 70, .35);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .25s var(--ease), transform .35s var(--ease), visibility 0s linear .25s;
}
.nav__panel::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; } /* hover bridge */
.nav__item.is-open .nav__panel { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }

.mega { left: 50%; translate: -50% 0; width: min(760px, calc(100vw - 32px)); padding: 12px; }
.mega__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.mega__region { margin: 8px 12px 6px; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--p-faint); }
.mega__item { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 12px; row-gap: 2px; padding: 11px 12px; border-radius: 14px; color: var(--p-ink); text-decoration: none; transition: background-color .2s; }
.mega__item:hover { background: var(--p-hover); }
.mega__name { font-size: 15px; font-weight: 600; }
.mega__price { grid-row: span 2; align-self: center; font-size: 12.5px; font-weight: 600; color: var(--p-accent); white-space: nowrap; font-variant-numeric: tabular-nums; }
.mega__tag { font-size: 13px; color: var(--p-muted); }
.mega__foot { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; padding: 10px 6px 4px; border-top: 1px solid var(--p-line); }
.mega__foot a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 999px; font-size: 13.5px; font-weight: 600; color: var(--p-accent); text-decoration: none; transition: background-color .2s; }
.mega__foot a:hover { background: var(--p-hover); }

.dropdown { left: 50%; translate: -50% 0; width: 250px; padding: 8px; }
.dropdown a { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 12px; font-size: 14.5px; font-weight: 500; color: var(--p-ink-2); text-decoration: none; transition: background-color .2s, color .2s; }
.dropdown a:hover { background: var(--p-hover); color: var(--p-ink); }
.dropdown .i { width: 18px; height: 18px; color: var(--p-icon); }
.nav__actions { display: flex; align-items: center; gap: 10px; }

.lang { display: flex; padding: 3px; border-radius: 999px; background: rgba(12, 18, 34, .06); transition: background-color .5s; }
.lang button {
  border: 0; background: transparent; cursor: pointer;
  padding: 7px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; line-height: 1; color: #6a7183;
  transition: background-color .3s, color .3s, box-shadow .3s;
}
.lang button[aria-pressed="true"] { background: #fff; color: #0b0e14; box-shadow: 0 1px 4px rgba(10, 20, 50, .12); }

.nav__cta {
  display: flex; align-items: center; gap: 9px; height: 42px; padding: 0 18px;
  border-radius: 999px; background: #11151e; color: #fff;
  font-size: 14px; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: background-color .4s, color .4s, transform .4s var(--ease);
}
.nav__cta:hover { transform: translateY(-1px); background: #232a3a; }

/* Signed in to WHMCS: the first letter of the visitor's name on the Client Area buttons */
.avatar {
  display: grid; place-items: center; flex: none;
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-2), var(--brand-ink)); color: #fff;
  font-size: 12.5px; font-weight: 700; line-height: 1;
}
.avatar svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nav__cta .avatar { margin-left: -11px; }
.menu__foot .avatar { width: 30px; height: 30px; margin-left: -12px; }

/* The store cart, shown while it has items */
.nav__cart {
  position: relative; display: grid; place-items: center; flex: none;
  width: 42px; height: 42px; border-radius: 999px;
  color: #11151e; background: rgba(12, 18, 34, .06); text-decoration: none;
  transition: background-color .3s, color .3s;
}
.nav__cart:hover { background: rgba(12, 18, 34, .11); }
.nav__cart .i { width: 20px; height: 20px; }
.nav__cart-count {
  position: absolute; top: -3px; right: -3px;
  min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px;
  background: var(--brand); color: #fff; box-shadow: 0 0 0 2px #f4f7fc;
  font-size: 11px; font-weight: 700; line-height: 18px; text-align: center; font-variant-numeric: tabular-nums;
}

.nav__burger {
  display: none; position: relative;
  width: 42px; height: 42px; border: 0; border-radius: 999px; cursor: pointer;
  background: #11151e;
}
.nav__burger i {
  position: absolute; left: 13px; right: 13px; height: 1.6px; border-radius: 2px; background: #fff;
  transition: transform .45s var(--ease), background-color .4s;
}
.nav__burger i:nth-of-type(1) { top: 17px; }
.nav__burger i:nth-of-type(2) { top: 23px; }
.nav.is-menu .nav__burger i:nth-of-type(1) { transform: translateY(3px) rotate(45deg); }
.nav.is-menu .nav__burger i:nth-of-type(2) { transform: translateY(-3px) rotate(-45deg); }

.nav[data-theme="dark"] .nav__pill {
  background: rgba(20, 22, 29, .62);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12), inset 0 1px 0 rgba(255, 255, 255, .1), 0 12px 40px -14px rgba(0, 0, 0, .7);
}
.nav[data-theme="dark"] .nav__logo--dark { opacity: 0; }
.nav[data-theme="dark"] .nav__logo--light { opacity: 1; }
.nav[data-theme="dark"] .nav__link { color: rgba(255, 255, 255, .7); }
.nav[data-theme="dark"] .nav__link:hover,
.nav[data-theme="dark"] .nav__item.is-open .nav__link { color: #fff; background: rgba(255, 255, 255, .08); }
.nav[data-theme="dark"] .nav__link[aria-current="page"] { color: #fff; }
.nav[data-theme="dark"] .nav__panel {
  --p-bg: rgba(20, 22, 29, .97); --p-ink: #f2f4f8; --p-ink-2: rgba(242, 244, 248, .82); --p-muted: rgba(242, 244, 248, .6); --p-faint: rgba(242, 244, 248, .4);
  --p-hover: rgba(255, 255, 255, .06); --p-line: rgba(255, 255, 255, .08); --p-accent: var(--brand-3); --p-icon: var(--brand-3);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1), 0 30px 80px -24px rgba(0, 0, 0, .85);
}
.nav[data-theme="dark"] .lang { background: rgba(255, 255, 255, .08); }
.nav[data-theme="dark"] .lang button { color: rgba(255, 255, 255, .6); }
.nav[data-theme="dark"] .lang button[aria-pressed="true"] { background: rgba(255, 255, 255, .92); color: #0b0e14; }
.nav[data-theme="dark"] .nav__cta,
.nav[data-theme="dark"] .nav__burger { background: #f2f4f8; color: #0b0e14; }
.nav[data-theme="dark"] .nav__burger i { background: #0b0e14; }
.nav[data-theme="dark"] .nav__cart { color: #fff; background: rgba(255, 255, 255, .1); }
.nav[data-theme="dark"] .nav__cart:hover { background: rgba(255, 255, 255, .16); }
.nav[data-theme="dark"] .nav__cart-count { box-shadow: 0 0 0 2px #1b1e26; }

/* Mobile menu sheet */
.menu {
  position: fixed; inset: 0; z-index: 55;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 110px var(--pad) calc(32px + env(safe-area-inset-bottom));
  background: rgba(242, 245, 251, .86);
  -webkit-backdrop-filter: blur(26px) saturate(1.4); backdrop-filter: blur(26px) saturate(1.4);
  opacity: 0; transition: opacity .4s var(--ease);
}
.menu.is-open { opacity: 1; }
.menu__body { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; gap: 30px; overflow-y: auto; overscroll-behavior: contain; }
.menu__links { display: flex; flex-direction: column; }
.menu__links a {
  padding: 12px 0; border-bottom: 1px solid rgba(12, 18, 34, .08);
  font-size: 32px; font-weight: 600; letter-spacing: -.03em; color: var(--ink); text-decoration: none;
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s var(--ease), transform .7s var(--ease);
}
.menu.is-open .menu__links a { opacity: 1; transform: none; }
.menu.is-open .menu__links a:nth-child(2) { transition-delay: .04s; }
.menu.is-open .menu__links a:nth-child(3) { transition-delay: .08s; }
.menu.is-open .menu__links a:nth-child(4) { transition-delay: .12s; }
.menu.is-open .menu__links a:nth-child(5) { transition-delay: .16s; }
.menu__sub {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px;
  opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease) .2s, transform .7s var(--ease) .2s;
}
.menu.is-open .menu__sub { opacity: 1; transform: none; }
.menu__sub a { padding: 12px 14px; border-radius: 14px; font-size: 15px; font-weight: 500; color: var(--ink-2); text-decoration: none; background: rgba(12, 18, 34, .05); }
.menu__foot { flex: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; }
.lang--menu { background: rgba(12, 18, 34, .07); }
.lang--menu button { padding: 10px 14px; font-size: 14px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; padding: 12px; background: var(--paper); }
.hero__frame {
  position: relative; isolation: isolate; overflow: hidden;
  height: calc(100vh - 24px); height: calc(100svh - 24px); min-height: 620px;
  border-radius: var(--radius-xl);
  background: var(--ice);
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(55% 45% at 50% 48%, rgba(255, 255, 255, .9) 0%, rgba(255, 255, 255, 0) 70%),
    radial-gradient(38% 40% at 12% 88%, rgba(18, 138, 250, .16), transparent 70%),
    radial-gradient(34% 36% at 90% 10%, rgba(92, 130, 255, .14), transparent 70%),
    var(--ice);
}
.hero__canvas { position: absolute; inset: 0; opacity: 0; transition: opacity 1.8s var(--ease); }
.hero__canvas.is-ready { opacity: 1; }
.hero__canvas canvas { width: 100%; height: 100%; }
.hero__focus {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 1.8s var(--ease);
  -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
  -webkit-mask-image: radial-gradient(ellipse 72% 70% at 50% 50%, transparent 52%, #000 100%);
  mask-image: radial-gradient(ellipse 72% 70% at 50% 50%, transparent 52%, #000 100%);
}
.hero__canvas.is-ready + .hero__focus { opacity: 1; }

/* CSS-only fallback when WebGL is unavailable */
.hero__fallback { position: absolute; inset: 0; display: grid; place-items: center; perspective: 1600px; opacity: 0; transition: opacity 1.2s var(--ease); }
.hero.is-fallback .hero__fallback { opacity: 1; }
.hero__ring { position: relative; width: 0; height: 0; transform: rotateX(62deg); transform-style: preserve-3d; animation: ring-spin 120s linear infinite; }
.hero__ring i {
  position: absolute; left: 0; top: 0;
  width: var(--l, 30vmin); height: 7vmin; margin-top: -3.5vmin;
  border-radius: 1.6vmin;
  background: linear-gradient(90deg, rgba(190, 215, 255, .35), rgba(40, 120, 250, .5) 65%, rgba(170, 210, 255, .4));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .6), inset 0 2px 0 rgba(255, 255, 255, .6), 0 3vmin 4vmin -2vmin rgba(20, 70, 200, .35);
  transform-origin: 0 50%;
  transform: rotate(calc(var(--i) * 18deg)) translateX(var(--r, 34vmin));
}
@keyframes ring-spin { to { transform: rotateX(62deg) rotate(360deg); } }

.hero__content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 96px var(--pad) 84px; text-align: center;
}
/* soft ice halo keeps the copy readable over the glass */
.hero__content::before {
  content: ""; position: absolute; left: 50%; top: 52%; z-index: -1; pointer-events: none;
  width: min(1180px, 96%); height: 64%; translate: -50% -50%;
  background: radial-gradient(closest-side, rgba(238, 243, 252, .78), rgba(238, 243, 252, .42) 55%, rgba(238, 243, 252, 0));
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 30px; padding: 9px 15px 9px 13px; border-radius: 999px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; color: #33405e;
  background: rgba(255, 255, 255, .62);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .95), 0 8px 22px -12px rgba(20, 40, 120, .3);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 0 rgba(34, 197, 94, .45); animation: dot-pulse 2.4s infinite; }
@keyframes dot-pulse { 0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .45); } 70%, 100% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); } }

.hero__title {
  margin: 0;
  font-size: clamp(46px, 8vw, 142px);
  font-weight: 600; line-height: .98; letter-spacing: -.048em;
  color: var(--navy);
}
.hero__title .line { display: block; overflow: hidden; padding: .02em .06em .1em; margin-bottom: -.1em; }
.hero__title .line > span { display: inline-block; transform: translateY(108%); transition: transform 1.3s var(--ease) calc(var(--i, 0) * .09s + .05s); }
.js.is-ready .hero__title .line > span { transform: none; }
html:not(.js) .hero__title .line > span { transform: none; }
:lang(zh-CN) .hero__title { letter-spacing: -.02em; line-height: 1.08; font-weight: 700; }

.hero__sub { max-width: 660px; margin: 26px auto 0; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.62; color: #46506b; text-wrap: balance; }
.hero__ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 36px; }

.hero__corner {
  position: absolute; bottom: 26px; z-index: 2; margin: 0;
  font-size: 12px; letter-spacing: .06em; color: #5b6784; text-decoration: none;
}
.hero__corner--left { left: 30px; }
.hero__corner--right { right: 30px; display: flex; align-items: center; gap: 12px; }
.hero__scrollbar { position: relative; width: 48px; height: 1px; overflow: hidden; background: rgba(11, 29, 90, .18); }
.hero__scrollbar::after { content: ""; position: absolute; inset: 0; background: var(--navy); transform: translateX(-100%); animation: scroll-cue 2.4s var(--ease-io) infinite; }
@keyframes scroll-cue { 50% { transform: translateX(0); } to { transform: translateX(100%); } }

/* ==========================================================================
   Statement — sticky marquee that portals into the dark sections
   ========================================================================== */
.statement { position: relative; height: 440vh; background: var(--paper); }
.statement__pin { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.statement__rows { position: absolute; inset: 0; z-index: 1; }
.srow {
  position: absolute; left: 0; display: flex; gap: .85em;
  white-space: nowrap; font-weight: 600; letter-spacing: -.035em; line-height: 1.1;
  will-change: transform;
}
.srow--a { top: 22%; font-size: clamp(34px, 4.8vw, 76px); color: #c6cad3; }
.srow--b { top: 34%; font-size: clamp(34px, 4.8vw, 76px); color: #8f95a4; }
.srow--c { top: 59%; font-size: clamp(46px, 6.6vw, 108px); color: #161a23; }
:lang(zh-CN) .srow { letter-spacing: -.01em; }

.statement__portal {
  position: absolute; inset: 0; z-index: 2;
  background: var(--night);
  clip-path: inset(var(--pi, 50%) round var(--pr, 16px));
  opacity: var(--po, 0);
}
.statement__center {
  position: absolute; left: 50%; top: 50%; z-index: 3;
  width: clamp(250px, 24vw, 350px); aspect-ratio: 1.8;
  translate: -50% -50%;
  display: grid; place-items: center;
}
.statement__logo { grid-area: 1 / 1; width: 72%; height: auto; }
.statement__logo--light { opacity: 0; }
.statement__corners { position: absolute; inset: 0; opacity: 0; }
.statement__corners i { position: absolute; width: 24px; height: 24px; border: 0 solid #161a23; transition: border-color .4s; }
.statement__corners i:nth-child(1) { left: 0; top: 0; border-left-width: 2px; border-top-width: 2px; }
.statement__corners i:nth-child(2) { right: 0; top: 0; border-right-width: 2px; border-top-width: 2px; }
.statement__corners i:nth-child(3) { left: 0; bottom: 0; border-left-width: 2px; border-bottom-width: 2px; }
.statement__corners i:nth-child(4) { right: 0; bottom: 0; border-right-width: 2px; border-bottom-width: 2px; }
.statement__corners.is-light i { border-color: rgba(255, 255, 255, .75); }
.statement__caption { position: absolute; right: var(--pad); bottom: 30px; z-index: 3; margin: 0; font-size: 13px; color: #9aa0ad; }

/* ==========================================================================
   About
   ========================================================================== */
.about {
  position: relative; overflow: clip;
  padding: clamp(90px, 12vh, 150px) 0 clamp(110px, 16vh, 200px);
  background: var(--night); color: var(--on-dark);
}
.about__glow {
  position: absolute; left: 50%; top: 0; width: 110vw; height: 90vh; translate: -50% 0; pointer-events: none;
  background: radial-gradient(closest-side, rgba(18, 138, 250, .13), rgba(18, 138, 250, .04) 60%, transparent);
}
.about .container { position: relative; }
.about__statement {
  max-width: 1180px; margin: 34px 0 0;
  font-size: clamp(28px, 3.8vw, 60px); font-weight: 500; line-height: 1.16; letter-spacing: -.03em;
}
:lang(zh-CN) .about__statement { letter-spacing: 0; line-height: 1.34; font-size: clamp(26px, 3.4vw, 52px); }
.about__statement .w { color: rgba(242, 244, 248, .15); transition: color .5s var(--ease); }
.about__statement .w.is-lit { color: var(--on-dark); }
.about__statement .w--accent.is-lit { color: var(--brand-3); }

.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 48px); margin-top: clamp(80px, 13vh, 150px); }
.pillar { position: relative; padding-top: 28px; }
.pillar::before, .pillar::after { content: ""; position: absolute; left: 0; top: 0; height: 1px; }
.pillar::before { right: 0; background: rgba(255, 255, 255, .14); }
.pillar::after { width: 0; background: linear-gradient(90deg, var(--brand), var(--brand-3)); transition: width .9s var(--ease); }
.pillar:hover::after { width: 100%; }
.pillar__num { margin: 0; font-family: var(--mono); font-size: 12px; letter-spacing: .12em; color: var(--brand-3); }
.pillar h3 { margin: 20px 0 12px; font-size: clamp(22px, 1.9vw, 28px); font-weight: 600; letter-spacing: -.02em; }
.pillar p { margin: 0; font-size: 16px; line-height: 1.68; color: var(--on-dark-2); }

/* ==========================================================================
   Product lines — every line by region, each opening the products page
   ========================================================================== */
.lines { position: relative; padding: clamp(10px, 3vh, 40px) 0 clamp(120px, 17vh, 210px); background: var(--night); color: var(--on-dark); scroll-margin-top: 90px; }
.lines__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 30px 64px; }
.lines__title { margin: 22px 0 0; font-size: clamp(34px, 4.4vw, 68px); font-weight: 600; line-height: 1.02; letter-spacing: -.04em; text-wrap: balance; }
:lang(zh-CN) .lines__title { letter-spacing: -.01em; line-height: 1.14; }
.lines__aside { max-width: 400px; }
.lines__sub { margin: 0 0 24px; font-size: 16.5px; line-height: 1.65; color: var(--on-dark-2); }
.lines__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.lines__store {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; color: var(--on-dark-2); text-decoration: none;
  transition: color .3s;
}
.lines__store:hover { color: #fff; }
.lines__store svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform .45s var(--ease); }
.lines__store:hover svg { transform: translate(2px, -2px); }
.lines__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; margin-top: clamp(48px, 7vh, 80px); }
.lregion {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, .085), rgba(255, 255, 255, .025));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12), inset 0 1px 0 rgba(255, 255, 255, .12), 0 40px 70px -40px rgba(0, 0, 0, .9);
}
.lregion::before {
  content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 1.5px; border-radius: 2px; pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--brand) 25%, var(--brand-3) 75%, transparent);
  box-shadow: 0 0 18px 1px rgba(18, 138, 250, .7);
  opacity: 0; transition: opacity .6s var(--ease);
}
.lregion:hover::before { opacity: 1; }
.lregion__head { display: flex; align-items: center; gap: 16px; padding: 22px 24px; color: inherit; text-decoration: none; transition: background-color .3s; }
.lregion__head:hover { background: rgba(255, 255, 255, .04); }
.lregion__code {
  flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px;
  font-family: var(--mono); font-size: 13px; font-weight: 500; color: #fff;
  background: linear-gradient(135deg, #4aa6ff, #0b5fd6); box-shadow: 0 12px 26px -12px rgba(18, 138, 250, .9);
}
.lregion__text { display: grid; gap: 3px; min-width: 0; }
.lregion__name { font-size: clamp(22px, 1.9vw, 28px); font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
.lregion__meta { font-size: 13.5px; color: var(--on-dark-2); font-variant-numeric: tabular-nums; }
.lregion__head .line__go { margin-left: auto; }
.lregion__list { margin: 0; padding: 0; list-style: none; }
.line {
  display: grid; grid-template-columns: minmax(0, 1fr) auto 16px; grid-template-areas: "main price go"; align-items: center; column-gap: 18px;
  padding: 16px 24px; border-top: 1px solid rgba(255, 255, 255, .07); color: inherit; text-decoration: none;
  transition: background-color .3s;
}
.line:hover { background: rgba(255, 255, 255, .045); }
.line__main { grid-area: main; display: grid; gap: 2px; min-width: 0; }
.line__name { font-size: 17px; font-weight: 600; letter-spacing: -.01em; transition: color .3s; }
.line__tag { font-size: 13.5px; color: var(--on-dark-3); }
.line__price { grid-area: price; font-size: 14px; font-weight: 500; color: var(--on-dark-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.line__price--quote { color: var(--brand-3); }
.line__go { grid-area: go; flex: none; width: 16px; height: 16px; fill: none; stroke: var(--on-dark-3); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: transform .45s var(--ease), stroke .3s; }
.line:hover .line__name { color: var(--brand-3); }
.line:hover .line__go, .lregion__head:hover .line__go { stroke: #fff; transform: translateX(3px); }

/* ==========================================================================
   Six reasons — horizontal glass cards
   ========================================================================== */
.reasons { position: relative; background: var(--night); color: var(--on-dark); }
.reasons__pin {
  position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
  padding: 90px 0 70px;
}
.reasons__bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.reasons__bg::before {
  content: ""; position: absolute; left: 5%; right: 5%; bottom: -12%; height: 55%;
  background: radial-gradient(closest-side, rgba(18, 138, 250, .16), rgba(18, 138, 250, .05) 55%, transparent);
}
.reasons__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--night) 0%, transparent 18%, transparent 82%, var(--night) 100%);
}
.beam {
  position: absolute; top: -50vh; height: 200vh;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .06) 30%, rgba(225, 236, 255, .2) 50%, rgba(255, 255, 255, .05) 70%, transparent);
  filter: blur(28px); transform: rotate(32deg); transform-origin: 50% 50%;
  animation: beam-drift 14s var(--ease-io) infinite alternate;
}
.beam--1 { left: 30%; width: 34vw; }
.beam--2 { left: 64%; width: 16vw; opacity: .55; animation-delay: -7s; }
@keyframes beam-drift { to { translate: 6vw 0; opacity: .7; } }
.slab {
  position: absolute;
  background: linear-gradient(160deg, #1a1d25 0%, #0c0e13 60%, #08090c 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .045), inset 1px 1px 0 rgba(255, 255, 255, .07);
}
.slab--1 { width: 30vw; height: 64vh; left: 26%; top: 34%; transform: skewY(-10deg); }
.slab--2 { width: 22vw; height: 40vh; left: 58%; top: 52%; transform: skewY(8deg); opacity: .8; }
.slab--3 { width: 14vw; height: 80vh; left: 4%; top: 46%; transform: skewY(-6deg); opacity: .6; }

.reasons__head { position: relative; z-index: 1; }
.reasons__sub { max-width: 460px; margin: 18px 0 0; font-size: 17px; line-height: 1.6; color: var(--on-dark-2); }
.reasons__viewport { position: relative; z-index: 1; margin-top: clamp(34px, 6vh, 64px); }
.reasons__track { display: flex; gap: 22px; width: max-content; padding: 6px var(--pad) 16px; will-change: transform; }
.rcard {
  position: relative; flex: 0 0 auto;
  display: flex; flex-direction: column;
  width: clamp(300px, 28vw, 420px); height: clamp(330px, 44vh, 400px);
  color: inherit; text-decoration: none;
  padding: 28px 28px 26px; border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .035));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .13), inset 0 1px 0 rgba(255, 255, 255, .14), 0 40px 70px -40px rgba(0, 0, 0, .9);
  -webkit-backdrop-filter: blur(22px) saturate(1.3); backdrop-filter: blur(22px) saturate(1.3);
  opacity: .5; transform: scale(.965);
  transition: opacity .7s var(--ease), transform .8s var(--ease), box-shadow .7s var(--ease);
}
.rcard::before {
  content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 1.5px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--brand) 25%, var(--brand-3) 75%, transparent);
  box-shadow: 0 0 18px 1px rgba(18, 138, 250, .7);
  opacity: 0; transition: opacity .7s var(--ease);
}
.rcard.is-active { opacity: 1; transform: none; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2), inset 0 1px 0 rgba(255, 255, 255, .18), 0 40px 80px -40px rgba(18, 138, 250, .35); }
.rcard.is-active::before { opacity: 1; }
.rcard__top { display: flex; align-items: flex-start; justify-content: space-between; }
.rcard__num { font-family: var(--mono); font-size: 12px; color: var(--on-dark-3); }
.rcard__icon { width: 26px; height: 26px; fill: none; stroke: var(--brand-3); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; opacity: .9; }
.rcard h3 { margin: 30px 0 14px; font-size: clamp(28px, 2.5vw, 38px); font-weight: 600; letter-spacing: -.03em; line-height: 1.05; }
:lang(zh-CN) .rcard h3 { letter-spacing: 0; }
.rcard p { margin: 0; font-size: 15.5px; line-height: 1.65; color: var(--on-dark-2); }
.rcard__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 22px; }
.rcard__tags span {
  padding: 7px 11px; border-radius: 8px;
  font-size: 12px; color: var(--on-dark-2);
  background: rgba(255, 255, 255, .035); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .13);
}
.rcard__cta { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--brand-3); }
.rcard__cta svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .45s var(--ease); }
.rcard:hover .rcard__cta svg { transform: translateX(3px); }
.rcard:hover { opacity: 1; }
.reasons__progress {
  position: absolute; left: 50%; bottom: 38px; z-index: 1;
  width: 180px; height: 2px; translate: -50% 0; border-radius: 2px; overflow: hidden;
  background: rgba(255, 255, 255, .12);
}
.reasons__progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--brand-3)); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); }

/* ==========================================================================
   HKG Pro — sticky story over a live network map
   ========================================================================== */
.hkg { position: relative; height: 440vh; background: var(--night); color: var(--on-dark); }
.hkg__pin { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.hkg__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hkg__shade {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(5, 6, 9, .94) 0%, rgba(5, 6, 9, .7) 30%, rgba(5, 6, 9, 0) 56%),
    linear-gradient(180deg, var(--night) 0%, transparent 16%, transparent 84%, var(--night) 100%);
}
.hkg__layout { position: relative; height: 100%; display: flex; align-items: center; }
.hkg__dots { position: absolute; left: calc(-1 * clamp(0px, 2.6vw, 40px)); top: 50%; translate: 0 -50%; display: flex; flex-direction: column; gap: 12px; }
.hkg__dots i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255, 255, 255, .2); transition: background-color .5s, box-shadow .5s; }
.hkg__dots i.is-on { background: var(--brand-3); box-shadow: 0 0 10px rgba(143, 208, 255, .8); }
.hkg__copy { position: relative; z-index: 1; width: min(520px, 100%); }
.hkg__title {
  margin: 16px 0 0;
  font-size: clamp(60px, 7.4vw, 120px); font-weight: 700; line-height: .92; letter-spacing: -.05em;
  background: linear-gradient(180deg, #ffffff 30%, #9db4d8); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hkg__lead { max-width: 460px; margin: 20px 0 0; font-size: 17px; line-height: 1.62; color: var(--on-dark-2); }
.hkg__steps { position: relative; height: 170px; margin: 40px 0 28px; }
.hstep { position: absolute; inset: 0; opacity: 0; transform: translateY(28px); filter: blur(6px); pointer-events: none; transition: opacity .6s var(--ease), transform .9s var(--ease), filter .6s var(--ease); }
.hstep.is-past { transform: translateY(-28px); }
.hstep.is-active { opacity: 1; transform: none; filter: none; pointer-events: auto; }
.hstep__num { margin: 0; font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: var(--brand-3); }
.hstep h3 { margin: 10px 0 12px; font-size: clamp(30px, 3.1vw, 46px); font-weight: 600; letter-spacing: -.035em; line-height: 1.04; }
:lang(zh-CN) .hstep h3 { letter-spacing: 0; }
.hstep p { max-width: 460px; margin: 0; font-size: 16px; line-height: 1.62; color: var(--on-dark-2); }

.terminal {
  position: absolute; right: 0; bottom: max(7vh, 48px); z-index: 1;
  width: min(430px, 34vw);
  border-radius: 18px; overflow: hidden;
  background: rgba(12, 15, 22, .58);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12), inset 0 1px 0 rgba(255, 255, 255, .08), 0 40px 90px -30px rgba(0, 0, 0, .9);
  -webkit-backdrop-filter: blur(18px) saturate(1.3); backdrop-filter: blur(18px) saturate(1.3);
}
.terminal__bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid rgba(255, 255, 255, .07); }
.terminal__bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .16); }
.terminal__bar span:nth-child(1) { background: #ff5f57cc; }
.terminal__bar span:nth-child(2) { background: #febc2ecc; }
.terminal__bar span:nth-child(3) { background: #28c840cc; }
.terminal__bar em { margin-left: 8px; font-family: var(--mono); font-size: 12px; font-style: normal; color: var(--on-dark-3); }
.terminal__body { min-height: 236px; margin: 0; padding: 16px 18px 20px; font: 12.5px/1.8 var(--mono); color: #b9c6db; white-space: pre-wrap; }
.terminal__body .kv { display: grid; grid-template-columns: 17ch minmax(0, 1fr); column-gap: 1ch; }
.terminal__body .ps { color: var(--brand-3); }
.terminal__body .cmd { color: #fff; }
.terminal__body .ok { color: #5ee29a; }
.caret { display: inline-block; width: 8px; height: 15px; vertical-align: -2px; background: var(--brand-3); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }

/* ==========================================================================
   Spotlight
   ========================================================================== */
.spot {
  position: relative; overflow: hidden;
  display: grid; place-items: center;
  height: 100vh; height: 100svh; min-height: 560px;
  padding-bottom: 32px;
  background: var(--night); color: #fff;
}
.spot::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(420px circle at var(--gx, 50%) var(--gy, 50%), rgba(18, 138, 250, .13), transparent 70%);
}
.spot__inner { position: relative; text-align: center; }
.spot__small { margin: 0; font-size: clamp(22px, 3.2vw, 48px); font-weight: 600; letter-spacing: -.03em; color: rgba(255, 255, 255, .26); }
.spot__big {
  position: relative; margin: .06em 0 0;
  font-size: clamp(54px, 11.6vw, 212px); font-weight: 800; line-height: .94; letter-spacing: -.05em;
  white-space: nowrap;
}
:lang(zh-CN) .spot__big { letter-spacing: .02em; font-size: clamp(64px, 14vw, 240px); }
.spot__base { color: #171a22; }
.spot__lit {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, #d9ecff 0%, #5fb3ff 28%, #128afa 50%, #7f8cff 72%, #e5f1ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  -webkit-mask-image: radial-gradient(circle var(--r, 24vw) at var(--x, 50%) var(--y, 50%), #000 0%, rgba(0, 0, 0, .55) 38%, transparent 72%);
  mask-image: radial-gradient(circle var(--r, 24vw) at var(--x, 50%) var(--y, 50%), #000 0%, rgba(0, 0, 0, .55) 38%, transparent 72%);
}

/* ==========================================================================
   Solutions
   ========================================================================== */
.solutions { position: relative; z-index: 2; height: 340vh; margin-top: -34px; border-radius: 34px 34px 0 0; background: var(--paper); }
.solutions__pin {
  position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 42fr) minmax(0, 58fr);
  border-radius: inherit;
}
.solutions__left { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 96px var(--pad) 56px; }
.solutions__list { margin: 30px 0 0; padding: 0; list-style: none; }
.solutions__list button {
  display: flex; align-items: baseline; gap: 16px; width: 100%;
  padding: 7px 0; border: 0; background: none; cursor: pointer; text-align: left;
  font-size: 20px; font-weight: 500; letter-spacing: -.01em; line-height: 1.2; color: #b3b8c3;
  transition: color .5s var(--ease), font-size .7s var(--ease), letter-spacing .7s var(--ease);
}
.solutions__list button:hover { color: #7b8292; }
.solutions__list .n { flex: none; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .08em; color: #c3c7cf; transform: translateY(-.35em); }
.solutions__list li.is-active button { font-size: clamp(34px, 3.7vw, 58px); font-weight: 600; letter-spacing: -.04em; line-height: 1.04; color: var(--ink); }
:lang(zh-CN) .solutions__list li.is-active button { letter-spacing: -.005em; }
.solutions__desc { max-width: 440px; min-height: 5.2em; margin: 26px 0 30px; font-size: 16.5px; line-height: 1.65; color: var(--muted); transition: opacity .4s var(--ease); }
.solutions__desc.is-swap { opacity: 0; }

.solutions__right {
  position: relative; overflow: hidden; margin: 12px 12px 12px 0; border-radius: 26px;
  background: radial-gradient(110% 80% at 72% 28%, #12275a 0%, #081022 52%, #05070d 100%);
}
.solutions__right::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .09) 1px, transparent 1.4px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 20%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 20%, transparent 80%);
}
.solutions__stage { position: absolute; inset: 0 0 18% 0; }
.vis { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transform: scale(1.04); transition: opacity .9s var(--ease), transform 1.4s var(--ease); }
.vis.is-active { opacity: 1; transform: none; }
.vis .wire { fill: none; stroke: rgba(255, 255, 255, .12); stroke-width: 2; }
.vis .flow { fill: none; stroke: var(--brand-2); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 2 16; animation: flow 1.1s linear infinite; }
.vis .flow--rev { animation-direction: reverse; }
@keyframes flow { to { stroke-dashoffset: -36; } }
.vis .packet { fill: #fff; }
.vis .node rect { fill: rgba(255, 255, 255, .06); stroke: rgba(255, 255, 255, .22); }
.vis .node--hub rect { fill: rgba(18, 138, 250, .16); stroke: rgba(143, 208, 255, .6); }
.vis .ico { fill: none; stroke: #cfe3ff; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.vis text { fill: #e6edf9; font-family: var(--font); font-size: 17px; font-weight: 600; }
.vis .led { fill: #5ee29a; animation: led 1.8s infinite; }
.vis .led--2 { animation-delay: .5s; }
.vis .led--3 { animation-delay: 1.1s; }
@keyframes led { 50% { opacity: .25; } }
.rack__shell { fill: rgba(255, 255, 255, .045); stroke: rgba(255, 255, 255, .2); }
.rack__blades rect { fill: rgba(255, 255, 255, .06); stroke: rgba(255, 255, 255, .12); }

.solutions__card {
  position: absolute; right: 26px; bottom: 26px; left: auto;
  width: min(380px, calc(100% - 52px));
  padding: 22px 24px 24px; border-radius: 18px; color: #fff;
  background: rgba(255, 255, 255, .08);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16), inset 0 1px 0 rgba(255, 255, 255, .16), 0 30px 60px -30px rgba(0, 0, 0, .8);
  -webkit-backdrop-filter: blur(20px) saturate(1.4); backdrop-filter: blur(20px) saturate(1.4);
}
.solutions__cardhead { margin: 0 0 14px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--brand-3); }
.solutions__card ul { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; transition: opacity .4s var(--ease); }
.solutions__card ul.is-swap { opacity: 0; }
.solutions__card li { display: flex; gap: 12px; font-size: 14.5px; line-height: 1.45; color: rgba(255, 255, 255, .88); }
.solutions__card li::before { content: ""; flex: none; width: 6px; height: 6px; margin-top: .5em; border-radius: 50%; background: var(--brand-3); box-shadow: 0 0 10px var(--brand); }

/* ==========================================================================
   Achievements
   ========================================================================== */
.stats {
  position: relative; overflow: hidden;
  padding: clamp(120px, 17vh, 200px) 0;
  background: radial-gradient(70% 90% at 82% 50%, #1a3c96 0%, #0d1d52 38%, #070b1c 72%), #070b1c;
  color: #fff;
}
.stats::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(7, 11, 28, .85) 0%, rgba(7, 11, 28, .2) 55%, transparent 100%);
}
.stats__globe { position: absolute; top: 50%; right: -14vw; width: min(80vw, 1120px); height: min(80vw, 1120px); translate: 0 -50%; }
.stats__inner { position: relative; z-index: 1; }
.stats__sub { max-width: 460px; margin: 22px 0 0; font-size: 17px; line-height: 1.6; color: var(--on-dark-2); }
.stats__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; max-width: 1040px; margin-top: clamp(52px, 9vh, 90px); }
.stat {
  padding: 26px 24px 24px; border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .04));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16), inset 0 1px 0 rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(16px) saturate(1.3); backdrop-filter: blur(16px) saturate(1.3);
}
.stat__num { display: flex; align-items: baseline; gap: 5px; margin: 0; font-size: clamp(36px, 3.4vw, 54px); font-weight: 600; line-height: 1; letter-spacing: -.035em; font-variant-numeric: tabular-nums; }
.stat__num small { font-size: .42em; font-weight: 600; letter-spacing: 0; color: var(--brand-3); }
.stat__label { margin: 14px 0 0; font-size: 14px; color: var(--on-dark-2); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact { position: relative; overflow: hidden; padding: clamp(120px, 18vh, 210px) 0; background: var(--paper); }
.contact__glow {
  position: absolute; left: 50%; top: 42%; width: 120vw; height: 100vh; translate: -50% -50%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(18, 138, 250, .13), rgba(18, 138, 250, .04) 55%, transparent 75%);
}
.contact__inner { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.contact__title { margin: 22px 0 0; font-size: clamp(44px, 6.6vw, 110px); font-weight: 600; line-height: .98; letter-spacing: -.05em; color: var(--navy); }
:lang(zh-CN) .contact__title { letter-spacing: -.01em; line-height: 1.1; font-weight: 700; }
.contact__sub { margin: 24px 0 0; font-size: 18px; color: var(--muted); }
.contact__cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; width: min(780px, 100%); margin-top: 56px; }
.ccard {
  position: relative; display: flex; align-items: center;
  border-radius: 22px; background: rgba(255, 255, 255, .72);
  box-shadow: inset 0 0 0 1px rgba(12, 18, 34, .07), 0 24px 50px -32px rgba(11, 29, 90, .4);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.ccard:hover { transform: translateY(-3px); box-shadow: inset 0 0 0 1px rgba(18, 138, 250, .25), 0 34px 60px -32px rgba(11, 29, 90, .5); }
.ccard__link { flex: 1; min-width: 0; display: flex; align-items: center; gap: 16px; padding: 22px; text-align: left; text-decoration: none; color: var(--ink); border-radius: inherit; }
.ccard__icon { flex: none; display: grid; place-items: center; width: 50px; height: 50px; border-radius: 15px; color: var(--brand); background: linear-gradient(180deg, #eaf3ff, #d7e9ff); box-shadow: inset 0 0 0 1px rgba(18, 138, 250, .15); }
.ccard__icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ccard__text { min-width: 0; }
.ccard__arrow {
  flex: none; width: 16px; height: 16px; margin-left: auto;
  fill: none; stroke: var(--muted-2); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
  transition: transform .45s var(--ease), stroke .3s;
}
.ccard:hover .ccard__arrow { transform: translate(2px, -2px); stroke: var(--brand); }
.ccard__label { display: block; font-size: 13px; color: var(--muted); }
.ccard__value { display: block; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 18px; font-weight: 600; letter-spacing: -.01em; }
.ccard__copy {
  flex: none; margin-right: 18px; padding: 8px 12px; border: 0; border-radius: 999px; cursor: pointer;
  font-size: 12.5px; font-weight: 600; color: var(--ink-2); background: rgba(12, 18, 34, .06);
  transition: background-color .3s, color .3s;
}
.ccard__copy:hover { background: rgba(12, 18, 34, .1); }
.ccard__copy.is-done { background: rgba(34, 197, 94, .14); color: #15803d; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { position: relative; overflow: hidden; padding: 96px 0 0; background: var(--night); color: var(--on-dark); }
.footer__top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 48px; padding-bottom: 64px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer__brand img { width: auto; height: 30px; }
.footer__brand p { max-width: 280px; margin: 20px 0 0; font-size: 14.5px; line-height: 1.6; color: var(--on-dark-3); }
.footer__cols { display: grid; grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr)); gap: 24px; }
.footer__cols h3 { margin: 0 0 18px; font-family: var(--mono); font-size: 11.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-3); }
.footer__cols a { display: block; padding: 6px 0; font-size: 14.5px; color: var(--on-dark-2); text-decoration: none; transition: color .3s; overflow-wrap: anywhere; }
.footer__cols a:hover { color: #fff; }
.footer__bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding: 26px 0; font-size: 13px; color: var(--on-dark-3); }
.footer__bottom p { margin: 0; }
.footer__top-link { color: var(--on-dark-2); text-decoration: none; }
.footer__top-link:hover { color: #fff; }
.footer__giant {
  margin: 0; padding: 0 12px; text-align: center; white-space: nowrap; user-select: none; pointer-events: none;
  font-size: 13.4vw; font-weight: 800; line-height: .8; letter-spacing: -.055em;
  color: transparent;
  background: linear-gradient(180deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, 0) 85%);
  -webkit-background-clip: text; background-clip: text;
  transform: translateY(14%);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1180px) {
  .nav__link { padding: 8px 9px; font-size: 14px; }
  .nav__pill { gap: 16px; }
  .stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 620px; }
}

@media (max-width: 1020px) {
  .nav__links, .nav__actions .lang, .nav__cta { display: none; }
  .nav__burger { display: block; }
  .nav__pill { width: 100%; max-width: 640px; justify-content: space-between; padding: 0 7px 0 20px; }
}

@media (max-width: 899px) {
  .hero__frame { min-height: 560px; }
  .hero__focus { display: none; }
  .hero__content::before { opacity: .7; }
  .hero__content { padding: 110px 20px 90px; }
  .hero__corner--left { display: none; }
  .hero__corner--right { right: 50%; translate: 50% 0; }

  .statement { height: 340vh; }
  .srow--a { top: 24%; }
  .srow--b { top: 33%; }
  .srow--c { top: 60%; }

  .pillars { grid-template-columns: 1fr; gap: 36px; }

  .lines__grid { grid-template-columns: minmax(0, 1fr); }

  .reasons { height: auto !important; }
  .reasons__pin { position: relative; height: auto; padding: 120px 0 90px; }
  .reasons__viewport { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .reasons__viewport::-webkit-scrollbar { display: none; }
  .reasons__track { transform: none !important; gap: 14px; }
  .rcard { width: min(82vw, 380px); height: auto; min-height: 320px; scroll-snap-align: center; opacity: 1; transform: none; }
  .reasons__progress { display: none; }

  .hkg { height: auto; }
  .hkg__pin { position: relative; height: auto; overflow: visible; display: flex; flex-direction: column; padding: 110px 0 90px; }
  .hkg__canvas { position: relative; order: 2; height: 440px; margin-top: 10px; }
  .hkg__shade { display: none; }
  .hkg__layout { display: contents; }
  .hkg__dots { display: none; }
  .hkg__copy { order: 1; width: auto; padding: 0 var(--pad); }
  .hkg__steps { height: auto; display: grid; gap: 26px; margin: 36px 0 32px; }
  .hstep, .hstep.is-past { position: relative; opacity: 1; transform: none; filter: none; }
  .hstep h3 { font-size: 26px; margin: 6px 0 8px; }
  .terminal { position: relative; order: 3; right: auto; bottom: auto; width: auto; margin: -40px var(--pad) 0; }

  .spot { height: 76svh; min-height: 460px; }
  .spot__inner { width: 100%; padding: 0 16px; }
  .spot__big { white-space: normal; font-size: 14.2vw; line-height: .92; }

  .solutions { height: auto; margin-top: -28px; border-radius: 28px 28px 0 0; }
  .solutions__pin { position: relative; height: auto; display: flex; flex-direction: column; overflow: visible; }
  .solutions__left { padding: 90px var(--pad) 20px; }
  .solutions__list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
  .solutions__list button, .solutions__list li.is-active button {
    padding: 9px 14px; border-radius: 999px; font-size: 14px; font-weight: 600; letter-spacing: 0; line-height: 1.2;
    color: var(--ink-2); background: rgba(12, 18, 34, .05);
  }
  .solutions__list li.is-active button { color: #fff; background: #0d1017; }
  .solutions__list .n { display: none; }
  .solutions__desc { min-height: 0; margin: 22px 0 24px; }
  .solutions__right { height: 540px; margin: 0 12px 12px; }
  .solutions__stage { inset: 0 0 40% 0; }
  .solutions__card { right: 14px; left: 14px; bottom: 14px; width: auto; }

  .stats__globe { top: 0; right: -40vw; width: 120vw; height: 120vw; translate: 0 -18%; opacity: .75; }
  .stats::after { background: linear-gradient(180deg, rgba(7, 11, 28, .2) 0%, rgba(7, 11, 28, .85) 45%); }
  .stats__inner { padding-top: 12vh; }

  .contact__cards { grid-template-columns: minmax(0, 1fr); }

  .footer__top { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
}

@media (max-width: 620px) {
  .lregion__head { padding: 18px; gap: 14px; }
  .line { grid-template-columns: minmax(0, 1fr) 16px; grid-template-areas: "main go" "price go"; row-gap: 6px; padding: 14px 18px; }
  .menu__links a { font-size: 28px; }
}

@media (max-width: 520px) {
  .btn { height: 48px; padding: 0 20px; }
  .hero__ctas { flex-direction: column; align-items: stretch; width: min(320px, 100%); }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat { padding: 20px 16px 18px; }
  .ccard__link { padding: 18px 12px 18px 18px; gap: 14px; }
  .ccard__icon { width: 44px; height: 44px; border-radius: 13px; }
  .ccard__value { font-size: 15.5px; }
  .ccard__arrow { display: none; }
  .ccard__copy { margin-right: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; filter: none; }
  .hero__title .line > span { transform: none; }
}