:root {
  --primary: #1f6bff;
  --primary-2: #00c2ff;
  --ink: #0b1530;
  --ink-2: #3b4865;
  --muted: #6b7690;
  --line: #e6ebf5;
  --bg-soft: #f5f8ff;
  --navy: #050b1f;
  --navy-2: #0a1838;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(20, 50, 120, .08);
  --shadow-lg: 0 24px 60px rgba(20, 50, 120, .14);
  --font: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font); color: var(--ink); background: #fff; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: transform .25s, box-shadow .25s, background .25s, color .25s; white-space: nowrap; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), #3d8bff 60%, var(--primary-2)); color: #fff; box-shadow: 0 8px 24px rgba(31, 107, 255, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(31, 107, 255, .45); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .25); color: #fff; background: rgba(255, 255, 255, .04); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .5); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0, 0, 0, .2); }
.btn-ali { background: linear-gradient(135deg, #ff6a00, #ff9a3c); color: #fff; box-shadow: 0 8px 22px rgba(255, 106, 0, .3); }
.btn-tx { background: linear-gradient(135deg, #006eff, #33a1ff); color: #fff; box-shadow: 0 8px 22px rgba(0, 110, 255, .3); }
.btn-ali:hover, .btn-tx:hover { transform: translateY(-2px); }
.arrow { transition: transform .25s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; transition: background .3s, box-shadow .3s; }
.header-inner { display: flex; align-items: center; height: 72px; gap: 40px; }
.brand img { height: 24px; width: auto; filter: brightness(0) invert(1); transition: filter .3s; }
.main-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.main-nav > a, .nav-item > a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; color: rgba(255, 255, 255, .82); font-size: 15px; border-radius: 8px; transition: color .2s, background .2s; }
.main-nav > a:hover, .nav-item > a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.caret { width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .08);
}
.lang-switch button {
  min-width: 32px;
  height: 28px;
  padding: 0 8px;
  border-radius: 999px;
  color: rgba(255, 255, 255, .86);
  font-size: 12px;
  font-weight: 700;
}
.lang-switch button.is-active { color: var(--navy); background: #fff; }
.lang-switch button:focus-visible { outline: 2px solid #5eead4; outline-offset: 2px; }
.site-header.scrolled .lang-switch,
.site-header.menu-open .lang-switch { border-color: var(--line); background: #fff; }
.site-header.scrolled .lang-switch button,
.site-header.menu-open .lang-switch button { color: var(--ink-2); }
.site-header.scrolled .lang-switch button.is-active,
.site-header.menu-open .lang-switch button.is-active { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
html[lang="zh-TW"] { --font: "Noto Sans TC", "PingFang TC", "Noto Sans SC", "Microsoft YaHei", sans-serif; }
.site-header.scrolled { background: rgba(255, 255, 255, .92); backdrop-filter: saturate(180%) blur(14px); box-shadow: 0 1px 0 var(--line), 0 8px 30px rgba(10, 30, 80, .06); }
.site-header.scrolled .brand img { filter: none; }
.site-header.scrolled .main-nav > a, .site-header.scrolled .nav-item > a { color: var(--ink-2); }
.site-header.scrolled .main-nav > a:hover, .site-header.scrolled .nav-item > a:hover { color: var(--primary); background: var(--bg-soft); }

.nav-item { position: relative; }
.mega { position: absolute; top: calc(100% + 12px); left: -40px; display: grid; grid-template-columns: repeat(3, 200px); gap: 8px; padding: 24px; background: #fff; border-radius: 16px; box-shadow: var(--shadow-lg); border: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .25s; }
.mega::before { content: ""; position: absolute; inset: -14px 0 auto; height: 14px; }
.has-mega:hover .mega { opacity: 1; visibility: visible; transform: none; }
.mega h6 { font-size: 12px; color: var(--muted); letter-spacing: .08em; margin-bottom: 8px; font-weight: 500; }
.mega a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; margin: 0 -10px; border-radius: 8px; color: var(--ink); font-size: 14px; }
.mega a:hover { background: var(--bg-soft); color: var(--primary); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 18%, transparent); }
.mega-logo { width: 18px; height: 18px; object-fit: contain; flex: none; }
.mega-logo.wide { width: 64px; height: 16px; }

.nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }
.site-header.scrolled .nav-toggle span { background: var(--ink); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: clamp(720px, 100vh, 980px); padding: 140px 0 0; background: radial-gradient(1200px 600px at 75% 30%, #0f2a6b 0%, transparent 60%), linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; overflow: hidden; display: flex; flex-direction: column; }
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .7; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(120, 160, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 160, 255, .07) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 30%, transparent 75%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; pointer-events: none; }
.hero-glow.g1 { width: 520px; height: 520px; background: #1f6bff; top: -120px; right: 4%; animation: float 12s ease-in-out infinite; }
.hero-glow.g2 { width: 380px; height: 380px; background: #00c2ff; bottom: 0; left: -120px; opacity: .25; animation: float 14s ease-in-out infinite reverse; }
@keyframes float { 50% { transform: translate(30px, 40px); } }

.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 40px; flex: 1; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 6px 16px 6px 10px; border-radius: 999px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); font-size: 13px; color: #cfe0ff; letter-spacing: .02em; }
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52, 211, 153, .2); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); } }
.hero h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.15; font-weight: 800; letter-spacing: -.01em; margin: 24px 0 20px; }
.grad-text { background: linear-gradient(90deg, #6fb1ff, #5eead4 50%, #a5b4fc); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 17px; color: rgba(220, 230, 255, .78); max-width: 560px; }
.hero-cta { display: flex; gap: 14px; margin: 36px 0 28px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 24px; flex-wrap: wrap; font-size: 14px; color: rgba(220, 230, 255, .7); }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ""; width: 16px; height: 16px; border-radius: 50%; background: rgba(94, 234, 212, .15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8 2.5 2.5 4.5-5' stroke='%235eead4' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/100% no-repeat; }

/* orbit visual */
.hero-visual { position: relative; aspect-ratio: 1; max-width: 560px; width: 100%; margin-left: auto; container-type: inline-size; }
.orbit { position: absolute; border-radius: 50%; border: 1px dashed rgba(140, 180, 255, .25); top: 50%; left: 50%; transform: translate(-50%, -50%); }
.orbit.o1 { width: 42%; height: 42%; border-style: solid; border-color: rgba(94, 234, 212, .25); }
.orbit.o2 { width: 70%; height: 70%; animation: spin 48s linear infinite; }
.orbit.o3 { width: 98%; height: 98%; border-color: rgba(140, 180, 255, .14); animation: spin 78s linear infinite reverse; }
.orbit.o2::after, .orbit.o3::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #5eead4; top: -4px; left: 50%; box-shadow: 0 0 16px 4px rgba(94, 234, 212, .7); }
.orbit.o3::after { background: #6fb1ff; box-shadow: 0 0 16px 4px rgba(111, 177, 255, .7); }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.hub-sweep {
  position: absolute; left: 50%; top: 50%; width: 96%; height: 96%;
  translate: -50% -50%; border-radius: 50%; pointer-events: none; z-index: 1;
  background: conic-gradient(from 0deg, transparent 0deg 300deg, rgba(94, 234, 212, .04) 328deg, rgba(125, 211, 252, .22) 348deg, rgba(94, 234, 212, .05) 356deg, transparent 360deg);
  -webkit-mask: radial-gradient(circle, transparent 0 18%, #000 23%);
  mask: radial-gradient(circle, transparent 0 18%, #000 23%);
  animation: sat-spin 19.5s linear infinite;
}
.core-ripple {
  position: absolute; left: 50%; top: 50%; z-index: 1; width: 34%; aspect-ratio: 1;
  border-radius: 50%; border: 1px solid rgba(94, 234, 212, .55); pointer-events: none;
  translate: -50% -50%; animation: hub-ripple 3.6s ease-out infinite;
}
.core-ripple.late { animation-delay: 1.8s; border-color: rgba(111, 177, 255, .45); }
@keyframes hub-ripple {
  from { transform: scale(1); opacity: .55; }
  to { transform: scale(2.65); opacity: 0; }
}
.core { position: absolute; z-index: 2; top: 50%; left: 50%; width: 34%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle at 30% 30%, rgba(80, 140, 255, .55), rgba(10, 30, 80, .9) 70%); box-shadow: 0 0 0 10px rgba(31, 107, 255, .08), 0 0 80px rgba(31, 107, 255, .55), inset 0 0 30px rgba(140, 200, 255, .35); display: grid; place-items: center; }
.core-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.core-inner b { font-size: 17px; letter-spacing: .02em; margin-top: 2px; }
.core-inner small { font-size: 11px; color: #9fb7e8; letter-spacing: .12em; text-transform: uppercase; }
.spoke-ring, .sat-ring { --d: 30cqi; position: absolute; inset: 0; animation: sat-spin 72s linear infinite; }
.spoke-ring { --gap: 62%; z-index: 1; pointer-events: none; -webkit-mask: radial-gradient(circle at center, transparent 0 16%, #000 18.5%); mask: radial-gradient(circle at center, transparent 0 16%, #000 18.5%); }
.sat-ring { z-index: 3; }
.spoke-ring.outer, .sat-ring.outer { --d: 38cqi; }
.spoke-ring.outer { --gap: 50%; }
.spoke-ring .link {
  position: absolute; left: 50%; top: 50%; width: var(--d); height: 1px;
  transform-origin: 0 50%; transform: rotate(var(--a)); pointer-events: none;
  background: linear-gradient(90deg, transparent var(--gap), rgba(160, 196, 255, .5));
}
.spoke-ring .link::after {
  content: ""; position: absolute; top: 50%; left: 0; width: 8px; height: 8px; margin-top: -4px;
  border-radius: 50%; background: #7ef3e0; box-shadow: 0 0 10px 2px rgba(94, 234, 212, .9);
  animation: ride 2.2s linear infinite; animation-delay: var(--delay, 0s);
}
.spoke-ring.outer .link::after { background: #9cccff; box-shadow: 0 0 10px 2px rgba(111, 177, 255, .9); animation-duration: 2.8s; }
.spoke-ring .link.in::after { animation-direction: reverse; }
@keyframes ride {
  0% { transform: translateX(calc(var(--d) * .6)); opacity: 0; }
  16% { opacity: 1; }
  84% { opacity: 1; }
  100% { transform: translateX(calc(var(--d) - 6px)); opacity: 0; }
}
.sat { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform: rotate(var(--a)) translateX(var(--d)) rotate(calc(var(--a) * -1)); }
@keyframes sat-spin { to { transform: rotate(360deg); } }
.chip { position: absolute; left: 0; top: 0; translate: -50% -50%; display: flex; align-items: center; gap: 10px; padding: 8px 16px 8px 8px; border-radius: 999px; background: rgba(15, 30, 70, .7); border: 1px solid rgba(140, 180, 255, .22); backdrop-filter: blur(10px); font-size: 14px; font-weight: 600; box-shadow: 0 10px 30px rgba(0, 0, 0, .3); white-space: nowrap; animation: sat-spin 72s linear infinite reverse; }
.chip::after {
  content: ""; position: absolute; inset: -7px; border-radius: inherit; pointer-events: none;
  border: 1px solid rgba(94, 234, 212, .85); opacity: 0;
  animation: chip-live 7.2s ease-in-out infinite; animation-delay: var(--live, 0s);
}
@keyframes chip-live {
  0%, 74%, 100% { opacity: 0; transform: scale(.94); }
  80% { opacity: 1; transform: scale(1); }
  90% { opacity: 0; transform: scale(1.06); }
}
.hero-visual:hover .sat-ring,
.hero-visual:hover .spoke-ring,
.hero-visual:hover .chip { animation-play-state: paused; }
.hero-visual.is-paused .orbit,
.hero-visual.is-paused .spoke-ring,
.hero-visual.is-paused .sat-ring,
.hero-visual.is-paused .chip,
.hero-visual.is-paused .hub-sweep,
.hero-visual.is-paused .core-ripple,
.hero-visual.is-paused .core,
.hero-visual.is-paused .spoke-ring .link::after,
.hero-visual.is-paused .chip::after { animation-play-state: paused; }
.c-ali { border-color: rgba(255, 106, 0, .5); box-shadow: 0 0 30px rgba(255, 106, 0, .25); }
.c-tx { border-color: rgba(0, 110, 255, .6); box-shadow: 0 0 30px rgba(0, 110, 255, .3); }
.core { animation: core-glow 4.8s ease-in-out infinite; }
@keyframes core-glow {
  50% { box-shadow: 0 0 0 16px rgba(31, 107, 255, .14), 0 0 110px rgba(31, 107, 255, .8), inset 0 0 36px rgba(140, 200, 255, .5); }
}
.vlogo { display: grid; place-items: center; flex: none; width: 36px; height: 36px; padding: 4px; border-radius: 10px; background: #fff; box-shadow: 0 6px 16px rgba(0, 0, 0, .12); }
.vlogo.wide { width: 88px; }
.vlogo img { width: 100%; height: 100%; object-fit: contain; }
.chip .vlogo { width: 28px; height: 28px; padding: 3px; border-radius: 8px; }
.chip .vlogo.wide { width: 76px; }
.cloud-card .vlogo { width: 52px; height: 48px; padding: 6px; border-radius: 12px; border: 1px solid var(--line); box-shadow: none; }
.cloud-card .vlogo.wide { width: 116px; }

.marquee { position: relative; z-index: 2; margin-top: 60px; border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0 110px; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent); }
.marquee-track { display: flex; gap: 64px; width: max-content; animation: marquee 40s linear infinite; }
.marquee-track span { font-size: 20px; font-weight: 700; color: rgba(200, 215, 255, .35); letter-spacing: .02em; transition: color .3s; }
.marquee-track span:hover { color: #fff; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Stats ---------- */
.stats-wrap { position: relative; z-index: 5; margin-top: -72px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg); border: 1px solid var(--line); overflow: hidden; }
.stat { padding: 34px 24px; text-align: center; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 28%; height: 44%; width: 1px; background: var(--line); }
.stat b { display: block; font-size: 44px; font-weight: 800; line-height: 1.1; background: linear-gradient(135deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat b small { font-size: 22px; margin: 0 2px; }
.stat p { color: var(--muted); font-size: 15px; margin-top: 6px; }

/* ---------- Sections ---------- */
.section { padding: 110px 0; position: relative; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .18em; color: var(--primary); margin-bottom: 14px; }
.kicker::before { content: ""; display: inline-block; width: 24px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); vertical-align: middle; margin-right: 10px; transform: translateY(-2px); }
h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.25; font-weight: 800; letter-spacing: -.01em; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-head .kicker::after { content: ""; display: inline-block; width: 24px; height: 2px; background: linear-gradient(90deg, var(--primary-2), var(--primary)); vertical-align: middle; margin-left: 10px; transform: translateY(-2px); }
.section-head p { color: var(--muted); font-size: 17px; margin-top: 16px; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(220, 230, 255, .7); }
.section-head.light .kicker { color: #5eead4; }

/* intro */
.intro { padding-top: 120px; }
.intro-inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start; }
.intro-body p { font-size: 17px; color: var(--ink-2); line-height: 2; }
.intro-body strong { color: var(--ink); background: linear-gradient(transparent 62%, rgba(31, 107, 255, .14) 0); }
.intro-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.intro-tags span { padding: 6px 16px; border-radius: 999px; background: var(--bg-soft); color: var(--primary); font-size: 14px; border: 1px solid #dfe8ff; }

/* clouds */
.clouds { background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); }
.featured { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 28px; }
.feature-card { position: relative; overflow: hidden; display: flex; flex-direction: column; height: 100%; border-radius: 24px; padding: 44px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .35s, box-shadow .35s; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.fc-bg { position: absolute; inset: 0; pointer-events: none; }
.feature-card.ali .fc-bg { background: radial-gradient(500px 260px at 100% 0%, rgba(255, 106, 0, .14), transparent 70%); }
.feature-card.tx .fc-bg { background: radial-gradient(500px 260px at 100% 0%, rgba(0, 110, 255, .14), transparent 70%); }
.feature-card::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; }
.feature-card.ali::after { background: linear-gradient(90deg, #ff6a00, #ffb36b); }
.feature-card.tx::after { background: linear-gradient(90deg, #006eff, #5ab0ff); }
.fc-top { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 26px; }
.brand-badge { display: grid; place-items: center; width: auto; min-width: 0; max-width: calc(100% - 96px); height: 64px; padding: 8px 14px; border-radius: 16px; background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(20, 50, 120, .08); }
.brand-badge img { display: block; height: 34px; width: auto; max-width: min(210px, 100%); object-fit: contain; }
.fc-label { flex: none; white-space: nowrap; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; letter-spacing: .06em; }
.ali .fc-label { color: #ff6a00; background: rgba(255, 106, 0, .1); }
.tx .fc-label { color: #006eff; background: rgba(0, 110, 255, .1); }
.feature-card h3 { position: relative; font-size: 28px; font-weight: 800; }
.feature-card h3 em { font-style: normal; font-size: 15px; font-weight: 600; color: var(--muted); margin-left: 8px; }
.feature-card > p { position: relative; color: var(--ink-2); margin: 12px 0 22px; }
.fc-list { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; margin-bottom: 30px; }
.fc-list li { position: relative; padding-left: 24px; font-size: 14.5px; color: var(--ink-2); }
.fc-list li::before { content: ""; position: absolute; left: 0; top: 6px; width: 14px; height: 14px; border-radius: 50%; }
.ali .fc-list li::before { background: rgba(255, 106, 0, .14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8 2.5 2.5 4.5-5' stroke='%23ff6a00' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/100%; }
.tx .fc-list li::before { background: rgba(0, 110, 255, .12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8 2.5 2.5 4.5-5' stroke='%23006eff' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/100%; }
.fc-actions { position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 12px 24px; margin-top: auto; }
.fc-actions .btn { max-width: 100%; }
.fc-actions .link { padding: 0; font-weight: 600; color: var(--ink-2); border-bottom: 1px solid currentColor; }
.fc-actions .link:hover { color: var(--primary); }

.cloud-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cloud-card { display: flex; align-items: center; gap: 16px; padding: 22px 24px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); transition: .3s; position: relative; overflow: hidden; }
.cloud-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--c); transform: scaleY(0); transition: transform .3s; }
.cloud-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--c) 30%, var(--line)); }
.cloud-card:hover::before { transform: scaleY(1); }
.cloud-card h4 { font-size: 17px; font-weight: 700; }
.cloud-card p { font-size: 13.5px; color: var(--muted); line-height: 1.5; margin-top: 2px; }
.cloud-card .go { margin-left: auto; color: var(--muted); transition: .3s; }
.cloud-card:hover .go { color: var(--c); transform: translateX(4px); }

/* services */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.svc { padding: 32px 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); transition: .35s; position: relative; overflow: hidden; }
.svc::after { content: ""; position: absolute; inset: auto 0 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc:hover::after { transform: scaleX(1); }
.svc-ic { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(31, 107, 255, .1), rgba(0, 194, 255, .12)); margin-bottom: 20px; transition: .35s; }
.svc-ic svg { width: 26px; height: 26px; fill: none; stroke: var(--primary); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: .35s; }
.svc:hover .svc-ic { background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.svc:hover .svc-ic svg { stroke: #fff; }
.svc h5 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.svc p { font-size: 14.5px; color: var(--muted); }

/* journey */
.journey { background: var(--bg-soft); }
.journey-box { background: #fff; border-radius: 24px; box-shadow: var(--shadow); border: 1px solid var(--line); overflow: hidden; }
.j-tabs { display: grid; grid-template-columns: repeat(6, 1fr); border-bottom: 1px solid var(--line); }
.j-tab { padding: 22px 12px; font-size: 16px; font-weight: 600; color: var(--muted); position: relative; transition: .25s; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.j-tab > span:first-child { font-size: 12px; letter-spacing: .1em; color: #b0b9cc; font-weight: 700; }
.j-tab::after { content: ""; position: absolute; left: 20%; right: 20%; bottom: -1px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); transform: scaleX(0); transition: .3s; }
.j-tab:hover { color: var(--ink); }
.j-tab.active { color: var(--primary); }
.j-tab.active > span:first-child { color: var(--primary); }
.j-tab.active::after { transform: scaleX(1); }
.j-panels { position: relative; }
.j-panel { display: none; grid-template-columns: 1.4fr 1fr; gap: 40px; padding: 52px 56px; align-items: center; animation: fadeUp .5s ease; }
.j-panel.active { display: grid; }
.j-panel h3 { font-size: 28px; font-weight: 800; margin-bottom: 14px; }
.j-panel p { color: var(--ink-2); font-size: 16px; margin-bottom: 22px; }
.j-panel ul { display: flex; flex-wrap: wrap; gap: 10px; }
.j-panel li { padding: 8px 16px; border-radius: 10px; background: var(--bg-soft); font-size: 14px; color: var(--ink-2); border: 1px solid #e3eafa; }
.j-art { height: 240px; border-radius: 20px; background: #0a1838; position: relative; overflow: hidden; }
.j-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* security */
.security { background: linear-gradient(180deg, var(--navy) 0%, #0b1d4a 100%); color: #fff; overflow: hidden; }
.sec-grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(120, 160, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 160, 255, .06) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%); }
.security .container { position: relative; }
.sec-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sec-card { padding: 34px 30px; border-radius: 20px; background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02)); border: 1px solid rgba(140, 180, 255, .16); backdrop-filter: blur(8px); transition: .35s; position: relative; overflow: hidden; }
.sec-card::before { content: ""; position: absolute; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle, rgba(31, 107, 255, .45), transparent 70%); top: -100px; right: -100px; opacity: 0; transition: .4s; }
.sec-card:hover { transform: translateY(-6px); border-color: rgba(94, 234, 212, .45); }
.sec-card:hover::before { opacity: 1; }
.sec-ic { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(31, 107, 255, .35), rgba(94, 234, 212, .25)); border: 1px solid rgba(140, 200, 255, .3); margin-bottom: 22px; position: relative; }
.sec-ic svg { width: 26px; height: 26px; fill: none; stroke: #bfe3ff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sec-card h4 { font-size: 20px; font-weight: 700; margin-bottom: 10px; position: relative; }
.sec-card p { font-size: 14.5px; color: rgba(210, 222, 250, .72); position: relative; }

/* solutions */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.sol { border-radius: 20px; overflow: hidden; background: #fff; border: 1px solid var(--line); transition: .35s; display: flex; flex-direction: column; }
.sol:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sol-art { height: 150px; background: linear-gradient(135deg, var(--g1), var(--g2)); position: relative; overflow: hidden; }
.sol-art::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, .45), transparent 40%), repeating-linear-gradient(135deg, rgba(255, 255, 255, .08) 0 2px, transparent 2px 14px); }
.sol-art span { position: absolute; right: 18px; bottom: -14px; font-size: 80px; font-weight: 900; color: rgba(255, 255, 255, .35); line-height: 1; }
.sol h4 { font-size: 19px; font-weight: 700; padding: 24px 24px 8px; }
.sol p { font-size: 14.5px; color: var(--muted); padding: 0 24px; flex: 1; }
.sol-tags { display: flex; gap: 8px; padding: 18px 24px 24px; flex-wrap: wrap; }
.sol-tags span { font-size: 12px; padding: 3px 10px; border-radius: 6px; background: color-mix(in srgb, var(--g1) 10%, #fff); color: var(--g1); font-weight: 600; }

/* why */
.why { background: var(--bg-soft); }
.why-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; align-items: center; }
.why-left p { color: var(--ink-2); font-size: 17px; margin: 20px 0 32px; }
.why-right { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.why-item { padding: 30px 28px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); transition: .3s; }
.why-item:nth-child(2), .why-item:nth-child(4) { transform: translateY(28px); }
.why-item:hover { box-shadow: var(--shadow); border-color: #cddcff; }
.why-item b { display: block; font-size: 19px; margin-bottom: 8px; padding-left: 14px; border-left: 3px solid var(--primary); line-height: 1.2; }
.why-item p { color: var(--muted); font-size: 14.5px; }

/* CTA */
.cta { padding: 0 0 100px; background: var(--bg-soft); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 60px 64px; border-radius: 28px; color: #fff; background: radial-gradient(500px 300px at 90% 0%, rgba(94, 234, 212, .45), transparent 60%), linear-gradient(120deg, #0b2a8a, var(--primary) 55%, #13a8ff); box-shadow: 0 30px 60px rgba(31, 107, 255, .3); position: relative; overflow: hidden; max-width: 1192px; }
.cta-inner::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px); background-size: 36px 36px; mask-image: linear-gradient(90deg, transparent, #000); }
.cta-inner > * { position: relative; }
.cta h2 { font-size: clamp(24px, 2.8vw, 34px); }
.cta p { color: rgba(255, 255, 255, .82); margin-top: 8px; font-size: 16px; }

/* footer */
.site-footer { background: var(--navy); color: rgba(210, 222, 250, .65); padding: 80px 0 0; font-size: 14px; }
.foot-top { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 40px; padding-bottom: 56px; }
.foot-logo { height: 24px; width: auto; filter: brightness(0) invert(1); margin-bottom: 18px; }
.foot-brand p { margin-bottom: 22px; line-height: 1.9; }
.foot-col h6 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.foot-col a { display: block; padding: 5px 0; transition: color .2s, transform .2s; }
.foot-col a:hover { color: #fff; transform: translateX(3px); }
.foot-bottom { display: flex; justify-content: center; text-align: center; border-top: 1px solid rgba(255, 255, 255, .08); padding: 24px 0; font-size: 13px; }

.dock {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 90;
  display: flex;
  align-items: center;
  border-radius: 999px;
  transition: transform .3s, background .3s, box-shadow .3s, padding .3s;
}
.dock:hover { transform: translateY(-3px); }
.dock.is-on { padding: 5px; gap: 2px; background: #fff; box-shadow: 0 14px 36px rgba(11, 21, 48, .18); }
.dock-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 12px 30px rgba(31, 107, 255, .45);
  transition: box-shadow .3s;
}
.dock.is-on .dock-chat { box-shadow: none; }
.dock-top {
  position: relative;
  display: grid;
  place-items: center;
  width: 0;
  height: 44px;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  color: var(--primary);
  pointer-events: none;
  border-radius: 50%;
  transition: width .3s, opacity .3s, margin .3s;
}
.dock.is-on .dock-top { width: 44px; margin-right: 2px; opacity: 1; overflow: visible; pointer-events: auto; }
.dock-top:hover { color: var(--navy); }
.dock-top:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.dock-ring { position: absolute; inset: 3px; width: auto; height: auto; transform: rotate(-90deg); }
.dock-ring circle { fill: none; stroke: rgba(31, 107, 255, .18); stroke-width: 2.5; }
.dock-ring .dock-progress { stroke: var(--primary); stroke-linecap: round; stroke-dasharray: 91.11; stroke-dashoffset: 91.11; }
.dock-arrow { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s; }
.dock-top:hover .dock-arrow { transform: translateY(-2px); }

/* reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
.why-item.reveal.in:nth-child(2), .why-item.reveal.in:nth-child(4) { transform: translateY(28px); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .header-inner { gap: 20px; }
  .main-nav > a, .nav-item > a { padding: 8px 10px; font-size: 14px; }
  .svc-grid, .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-top { grid-template-columns: repeat(3, 1fr); }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 920px) {
  .nav-toggle { display: flex; }
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 24px; background: #fff; box-shadow: var(--shadow-lg); transform: translateY(-120%); opacity: 0; transition: .35s; max-height: calc(100vh - 72px); overflow: auto; }
  .main-nav.open { transform: none; opacity: 1; }
  .main-nav > a, .nav-item > a { color: var(--ink) !important; padding: 14px 6px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 16px; }
  .mega { position: static; opacity: 1; visibility: visible; transform: none; grid-template-columns: 1fr 1fr; box-shadow: none; border: 0; padding: 12px 6px; display: none; }
  .nav-item.open .mega { display: grid; }
  .site-header.menu-open { background: #fff; }
  .site-header.menu-open .brand img { filter: none; }
  .site-header.menu-open .nav-toggle span { background: var(--ink); }
  .hero-inner { grid-template-columns: 1fr; text-align: left; }
  .hero-visual { max-width: 440px; margin: 20px auto 0; }
  .featured, .intro-inner, .why-inner { grid-template-columns: 1fr; }
  .intro-inner, .why-inner { gap: 28px; }
  .cloud-grid, .sec-cards { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3)::before { display: none; }
  .j-tabs { grid-template-columns: repeat(3, 1fr); }
  .j-panel { grid-template-columns: 1fr; padding: 36px 28px; }
  .j-art { display: none; }
  .cta-inner { flex-direction: column; align-items: flex-start; padding: 44px 32px; }
}
@media (max-width: 600px) {
  .section { padding: 80px 0; }
  .header-actions .btn { display: none; }
  .hero { padding-top: 110px; }
  .hero-points { gap: 14px; }
  .chip { font-size: 12px; padding: 6px 12px 6px 6px; }
  .chip .vlogo { width: 22px; height: 22px; }
  .chip .vlogo.wide { width: 58px; }
  .lang-switch button { min-width: 28px; height: 26px; padding: 0 6px; }
  .cloud-grid, .sec-cards, .svc-grid, .sol-grid, .why-right { grid-template-columns: 1fr; }
  .why-item:nth-child(2), .why-item:nth-child(4), .why-item.reveal.in:nth-child(2), .why-item.reveal.in:nth-child(4) { transform: none; }
  .feature-card { padding: 28px 20px; }
  .fc-list { grid-template-columns: 1fr; }
  .brand-badge { height: 56px; padding: 8px 12px; }
  .brand-badge img { height: 28px; }
  .fc-actions .btn { white-space: normal; }
  .stat b { font-size: 34px; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .dock { right: 16px; bottom: 20px; }
  .dock-chat span { display: none; }
  .dock-chat { width: 44px; padding: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}