:root {
  --ink: #07152f;
  --ink-2: #10234a;
  --muted: #596780;
  --paper: #f4f7fb;
  --white: #ffffff;
  --cyan: #08cbe8;
  --blue: #3047eb;
  --violet: #6b35ff;
  --line: rgba(7, 21, 47, .12);
  --shell: min(1240px, calc(100% - 56px));
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 112px 0; }
.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: -80px; z-index: 1000; padding: 10px 16px;
  background: var(--white); color: var(--ink); border-radius: 8px; transition: top .2s;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .25s, border-color .25s, box-shadow .25s;
}
.site-header.scrolled {
  background: rgba(5, 16, 38, .88); border-color: rgba(255,255,255,.09);
  box-shadow: 0 14px 40px rgba(0,0,0,.12); backdrop-filter: blur(18px);
}
.nav-shell { height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--white); }
.brand img { width: 43px; height: 43px; object-fit: contain; }
.brand span { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-size: 18px; letter-spacing: .08em; }
.brand small { margin-top: 7px; color: rgba(255,255,255,.52); font-size: 9px; letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: 34px; color: rgba(255,255,255,.72); font-size: 14px; }
.site-nav a { transition: color .2s; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.nav-store { padding: 9px 16px; border: 1px solid rgba(255,255,255,.26); border-radius: 999px; }
.menu-toggle { display: none; background: none; border: 0; color: white; cursor: pointer; }

.hero {
  position: relative; min-height: 100vh; overflow: hidden; padding: 148px 0 0;
  color: var(--white); background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at 78% 22%, rgba(67,73,219,.38), transparent 34%),
    linear-gradient(135deg, #061127 0%, #091b3d 52%, #07142e 100%);
  background-size: 80px 80px, 80px 80px, auto, auto;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 86px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(40,202,255,.4), transparent);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .18; pointer-events: none; }
.hero-glow-one { width: 460px; height: 460px; right: -140px; top: 60px; background: var(--violet); }
.hero-glow-two { width: 360px; height: 360px; left: 28%; bottom: -180px; background: #008eff; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr); gap: 70px; align-items: center; }
.hero-copy { min-width: 0; padding: 24px 0 16px; }
.eyebrow { margin: 0 0 24px; display: flex; align-items: center; gap: 10px; color: #72e8ff; font-size: 12px; font-weight: 700; letter-spacing: .16em; }
.eyebrow span { width: 28px; height: 1px; background: currentColor; }
.eyebrow.dark { color: var(--blue); }
.eyebrow.light { color: #77eaff; }
.hero h1 { margin: 0; font-size: clamp(52px, 4.55vw, 76px); line-height: 1.12; letter-spacing: -.05em; }
.hero h1 span, .hero h1 em { display: block; white-space: nowrap; }
.hero h1 em { color: transparent; font-style: normal; background: linear-gradient(95deg, #70eaff 0%, #8b91ff 58%, #b277ff 100%); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 570px; margin: 28px 0 0; color: rgba(255,255,255,.66); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex; min-height: 50px; align-items: center; justify-content: center;
  padding: 0 24px; border-radius: 12px; font-size: 15px; font-weight: 700;
  transition: transform .2s var(--ease), box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #061329; background: linear-gradient(100deg, #72edff, #8c8aff); box-shadow: 0 14px 32px rgba(44,161,255,.25); }
.button-quiet { color: white; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); }
.button-white { color: var(--ink); background: white; box-shadow: 0 14px 32px rgba(1,10,29,.2); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 0; margin: 34px 0 0; padding: 0; color: rgba(255,255,255,.7); font-size: 13px; list-style: none; }
.hero-notes li { display: flex; align-items: center; gap: 9px; padding-right: 18px; }
.hero-notes li + li { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.14); }
.hero-notes strong { color: #66e7ff; font: 10px/1 ui-monospace, monospace; }
.hero-notes span { font-weight: 600; letter-spacing: .03em; }
.hero-visual { position: relative; }
.visual-frame { position: relative; overflow: hidden; border: 1px solid rgba(133,218,255,.2); border-radius: 30px; background: #0a1c41; box-shadow: 0 34px 90px rgba(0,0,0,.38), 0 0 0 8px rgba(255,255,255,.025); }
.visual-frame::after { content: ""; position: absolute; inset: 42% 0 0; pointer-events: none; background: linear-gradient(transparent, rgba(3,12,30,.9)); }
.visual-frame img { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; }
.visual-caption { position: absolute; z-index: 2; left: 30px; right: 30px; bottom: 26px; }
.visual-caption > span { display: block; margin-bottom: 8px; color: #70eaff; font: 10px/1 ui-monospace, monospace; letter-spacing: .16em; }
.visual-caption strong { display: block; font-size: 25px; letter-spacing: .04em; }
.visual-caption p { margin: 5px 0 0; color: rgba(255,255,255,.55); font-size: 13px; }
.visual-tag { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; background: rgba(6,20,51,.82); box-shadow: 0 14px 40px rgba(0,0,0,.28); backdrop-filter: blur(14px); color: rgba(255,255,255,.7); font: 10px/1 ui-monospace, monospace; letter-spacing: .12em; }
.visual-tag i { width: 6px; height: 6px; border-radius: 50%; background: #70eaff; box-shadow: 0 0 12px #70eaff; }
.visual-tag-top { right: -20px; top: 38px; }
.visual-tag-bottom { left: -22px; bottom: 72px; }
.hero-strip { position: relative; z-index: 1; display: grid; min-height: 104px; grid-template-columns: 1fr 1fr auto; align-items: center; margin-top: 70px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.52); }
.hero-strip p { display: flex; align-items: center; gap: 16px; margin: 0; font-size: 13px; }
.hero-strip p + p { padding-left: 30px; border-left: 1px solid rgba(255,255,255,.1); }
.hero-strip b { color: white; font-size: 14px; }
.hero-strip span { color: rgba(255,255,255,.42); font-size: 12px; }
.hero-strip .hero-strip-motto { padding-left: 42px; color: rgba(255,255,255,.66); font-size: 13px; letter-spacing: .08em; }

.section-heading { max-width: 720px; margin-bottom: 52px; }
.section-heading h2, .showcase h2, .company h2, .contact h2 { margin: 0; font-size: clamp(38px, 4.5vw, 62px); line-height: 1.14; letter-spacing: -.045em; }
.section-heading > p:last-child { max-width: 600px; margin: 22px 0 0; color: var(--muted); font-size: 17px; }
.focus { background: var(--paper); }
.focus-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 18px; }
.focus-card { position: relative; min-height: 360px; padding: 34px; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: white; box-shadow: 0 12px 36px rgba(24,42,76,.06); }
.focus-card-featured { color: white; background: linear-gradient(145deg, #0a2456, #0c1636 70%); }
.focus-card-featured::after { content: ""; position: absolute; width: 240px; height: 240px; right: -80px; bottom: -100px; border-radius: 50%; border: 50px solid rgba(44,210,255,.09); }
.card-number { position: absolute; top: 28px; right: 30px; color: rgba(7,21,47,.25); font-family: ui-monospace, monospace; font-size: 12px; }
.focus-card-featured .card-number { color: rgba(255,255,255,.35); }
.icon-box { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 88px; border-radius: 16px; color: var(--blue); background: #eef1ff; }
.focus-card-featured .icon-box { color: #71e8ff; background: rgba(255,255,255,.08); }
.icon-box svg { width: 26px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.focus-card h3 { margin: 0 0 12px; font-size: 24px; line-height: 1.3; }
.focus-card p { margin: 0; color: var(--muted); font-size: 15px; }
.focus-card-featured p { color: rgba(255,255,255,.62); }

.showcase { color: white; background: #07152f; }
.showcase-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; align-items: center; }
.showcase-copy > p:not(.eyebrow) { margin: 26px 0; color: rgba(255,255,255,.62); font-size: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 9px; padding-bottom: 4px; border-bottom: 1px solid rgba(114,232,255,.5); color: #72e8ff; font-weight: 700; }
.product-panel { position: relative; min-height: 520px; padding: 30px; overflow: hidden; border: 1px solid rgba(255,255,255,.11); border-radius: 32px; background: radial-gradient(circle at 50% 35%, #183a8c, #0b1d48 55%, #08142f); }
.product-panel::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 46px 46px; }
.product-panel-top { position: relative; z-index: 2; display: flex; justify-content: space-between; color: rgba(255,255,255,.45); font: 10px/1.2 ui-monospace, monospace; letter-spacing: .14em; }
.product-orbit { position: relative; z-index: 1; width: 300px; height: 300px; display: grid; place-items: center; margin: 25px auto 5px; }
.product-orbit img { width: 128px; filter: drop-shadow(0 18px 30px rgba(0,0,0,.35)); }
.orbit { position: absolute; inset: 20px; border: 1px solid rgba(113,232,255,.25); border-radius: 50%; }
.orbit-one { animation: spin 18s linear infinite; }
.orbit-one::after { content: ""; position: absolute; width: 9px; height: 9px; left: 30px; top: 18px; border-radius: 50%; background: #69eaff; box-shadow: 0 0 18px #69eaff; }
.orbit-two { inset: 55px; border-color: rgba(128,97,255,.42); animation: spin 12s linear infinite reverse; }
.orbit-two::after { content: ""; position: absolute; width: 7px; height: 7px; right: 7px; bottom: 52px; border-radius: 50%; background: #8d6fff; box-shadow: 0 0 16px #8d6fff; }
@keyframes spin { to { transform: rotate(360deg); } }
.product-points { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.product-points div { padding: 16px; border: 1px solid rgba(255,255,255,.09); border-radius: 14px; background: rgba(2,10,28,.45); }
.product-points strong, .product-points span { display: block; }
.product-points strong { font-size: 14px; }
.product-points span { margin-top: 5px; color: rgba(255,255,255,.48); font-size: 11px; }

.method { background: #eef2f8; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1fr .7fr; gap: 100px; align-items: end; }
.split-heading > p:last-child { margin: 0 0 6px; }
.method-list { display: grid; grid-template-columns: repeat(4,1fr); margin: 60px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.method-list li { padding: 28px 28px 0 0; border-right: 1px solid var(--line); }
.method-list li + li { padding-left: 28px; }
.method-list li:last-child { border-right: 0; }
.method-list span { display: block; color: var(--blue); font: 12px/1 ui-monospace, monospace; }
.method-list strong { display: block; margin: 34px 0 12px; font-size: 20px; }
.method-list p { margin: 0; color: var(--muted); font-size: 14px; }

.company { background: var(--paper); }
.company-card { display: grid; grid-template-columns: 150px 1fr .75fr; gap: 52px; align-items: center; padding: 52px; border: 1px solid var(--line); border-radius: 28px; background: white; box-shadow: 0 24px 70px rgba(21,38,72,.07); }
.company-mark { width: 140px; height: 140px; display: grid; place-items: center; border-radius: 32px; background: linear-gradient(145deg, #f1f4ff, #e7faff); }
.company-mark img { width: 88px; }
.company-copy h2 { font-size: clamp(32px, 3vw, 44px); }
.company-copy > p:last-child { margin: 18px 0 0; color: var(--muted); }
.company-meta { margin: 0; padding-left: 40px; border-left: 1px solid var(--line); }
.company-meta div + div { margin-top: 18px; }
.company-meta dt { color: var(--muted); font-size: 12px; }
.company-meta dd { margin: 2px 0 0; font-size: 14px; font-weight: 700; word-break: break-all; }
.company-meta a { color: var(--blue); }

.contact { position: relative; padding: 94px 0; overflow: hidden; color: white; background: linear-gradient(115deg, #263dd5, #542be0 52%, #056fc5); }
.contact::before { content: ""; position: absolute; width: 450px; height: 450px; right: -80px; top: -270px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.04), 0 0 0 140px rgba(255,255,255,.025); }
.contact-inner { position: relative; display: grid; grid-template-columns: 1fr .65fr; gap: 80px; align-items: end; }
.contact-action { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.contact-action p { max-width: 330px; margin: 0; color: rgba(255,255,255,.68); }
.contact .button { flex: 0 0 auto; }

.site-footer { padding: 60px 0 26px; color: white; background: #050c1d; }
.footer-main { display: flex; align-items: center; justify-content: space-between; padding-bottom: 46px; }
.footer-links { display: flex; gap: 30px; color: rgba(255,255,255,.55); font-size: 13px; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.36); font-size: 12px; }
.footer-bottom a:hover { color: rgba(255,255,255,.7); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1000px) {
  :root { --shell: min(100% - 36px, 760px); }
  .site-nav { position: fixed; inset: 82px 18px auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(5,15,36,.98); box-shadow: 0 30px 70px rgba(0,0,0,.35); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px; }
  .nav-store { margin-top: 8px; text-align: center; }
  .menu-toggle { width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; }
  .menu-toggle span { display: block; width: 22px; height: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 70px; }
  .hero-copy { max-width: 660px; }
  .hero-visual { width: calc(100% - 30px); margin-left: 15px; }
  .hero-strip { grid-template-columns: 1fr 1fr; }
  .hero-strip .hero-strip-motto { grid-column: 1 / -1; padding: 20px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.08); }
  .focus-grid { grid-template-columns: 1fr 1fr; }
  .focus-card-featured { grid-column: 1 / -1; min-height: 300px; }
  .showcase-grid { grid-template-columns: 1fr; gap: 60px; }
  .showcase-copy { max-width: 600px; }
  .split-heading { grid-template-columns: 1fr; gap: 30px; }
  .method-list { grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .method-list li:nth-child(2) { border-right: 0; }
  .company-card { grid-template-columns: 130px 1fr; }
  .company-meta { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3,1fr); padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .company-meta div + div { margin-top: 0; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 30px); }
  .section { padding: 82px 0; }
  .nav-shell { height: 72px; }
  .site-nav { inset: 72px 15px auto; }
  .brand img { width: 38px; height: 38px; }
  .brand strong { font-size: 16px; }
  .hero { padding-top: 125px; }
  .hero h1 { font-size: clamp(44px, 13vw, 62px); }
  .hero h1 span, .hero h1 em { white-space: normal; }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-notes { gap: 14px 0; justify-content: space-between; }
  .hero-notes li { padding-right: 10px; }
  .hero-notes li + li { padding-left: 10px; }
  .visual-frame { transform: none; border-radius: 20px; }
  .visual-frame img { border-radius: 14px; }
  .signal-card { display: none; }
  .visual-tag { display: none; }
  .visual-caption { left: 20px; right: 20px; bottom: 18px; }
  .visual-caption strong { font-size: 21px; }
  .hero-strip { min-height: auto; grid-template-columns: 1fr; gap: 0; margin-top: 54px; padding: 16px 0; }
  .hero-strip p, .hero-strip p + p, .hero-strip .hero-strip-motto { grid-column: auto; padding: 12px 0; border: 0; }
  .hero-strip p + p { border-top: 1px solid rgba(255,255,255,.08); }
  .hero-strip span { font-size: 11px; }
  .section-heading { margin-bottom: 36px; }
  .focus-grid { grid-template-columns: 1fr; }
  .focus-card-featured { grid-column: auto; }
  .focus-card { min-height: 300px; padding: 28px; }
  .icon-box { margin-bottom: 58px; }
  .showcase-grid { gap: 44px; }
  .product-panel { min-height: 500px; padding: 22px; border-radius: 22px; }
  .product-orbit { width: 250px; height: 250px; }
  .product-points { grid-template-columns: 1fr; }
  .product-points div { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; }
  .product-points span { margin: 0; text-align: right; }
  .method-list { grid-template-columns: 1fr; }
  .method-list li, .method-list li + li { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .method-list li:last-child { border-bottom: 0; }
  .method-list strong { margin-top: 20px; }
  .company-card { grid-template-columns: 1fr; gap: 30px; padding: 28px; }
  .company-mark { width: 90px; height: 90px; border-radius: 22px; }
  .company-mark img { width: 60px; }
  .company-meta { grid-template-columns: 1fr; }
  .company-meta div + div { margin-top: 14px; }
  .contact { padding: 76px 0; }
  .contact-action { align-items: stretch; flex-direction: column; }
  .footer-main { align-items: flex-start; flex-direction: column; gap: 36px; }
  .footer-links { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 14px 30px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}