:root {
  --bg: #07101f;
  --bg-2: #0d1630;
  --panel: rgba(255,255,255,.075);
  --panel-strong: rgba(255,255,255,.12);
  --text: #f5f8ff;
  --muted: #aeb9d4;
  --soft: #7f8dad;
  --line: rgba(255,255,255,.14);
  --brand: #76e4ff;
  --brand-2: #9b7bff;
  --accent: #70ffbb;
  --hot: #ff8bd1;
  --shadow: 0 30px 100px rgba(0, 0, 0, .38);
  --radius: 30px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 18% 10%, rgba(118, 228, 255, .28), transparent 28rem),
    radial-gradient(circle at 82% 4%, rgba(155, 123, 255, .26), transparent 32rem),
    radial-gradient(circle at 48% 52%, rgba(112, 255, 187, .08), transparent 38rem),
    linear-gradient(180deg, #07101f 0%, #0a1025 45%, #070b17 100%);
  color: var(--text);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), transparent 82%);
  z-index: -2;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .08;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  width: min(1180px, calc(100% - 28px));
  margin: 16px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 13, 30, .62);
  backdrop-filter: blur(22px);
  box-shadow: 0 14px 45px rgba(0,0,0,.26);
}
.brand, .header-actions, .nav { display: flex; align-items: center; }
.brand { gap: 10px; font-weight: 850; letter-spacing: -.02em; }
.brand img { border-radius: 13px; box-shadow: 0 8px 24px rgba(118,228,255,.25); }
.nav { gap: 4px; }
.nav a, .ghost {
  color: var(--muted);
  padding: 10px 13px;
  border-radius: 999px;
  font-size: 14px;
  transition: .2s ease;
}
.nav a:hover, .ghost:hover { color: white; background: rgba(255,255,255,.08); }
.header-actions { gap: 8px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: linear-gradient(135deg, var(--brand), var(--brand-2) 55%, var(--hot));
  color: #06101e;
  font-weight: 850;
  box-shadow: 0 18px 55px rgba(118,228,255,.25);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.button:hover { transform: translateY(-2px); filter: saturate(1.08); box-shadow: 0 24px 70px rgba(155,123,255,.35); }
.button.secondary { color: var(--text); background: rgba(255,255,255,.08); box-shadow: none; }
.button.small { min-height: 40px; padding: 0 16px; font-size: 14px; }

.section-pad { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 106px 0; }
.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .78fr);
  gap: 56px;
  align-items: center;
  padding-top: 70px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
}
.eyebrow span {
  width: 30px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 18px 0 22px;
  font-size: clamp(54px, 8.1vw, 104px);
  line-height: .91;
  letter-spacing: -.085em;
}
h1 em {
  font-style: normal;
  color: transparent;
  background: linear-gradient(100deg, #fff 10%, var(--brand) 42%, var(--accent) 64%, var(--hot));
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-lead {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.8;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 36px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; max-width: 670px; }
.hero-stats div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,.055);
  backdrop-filter: blur(14px);
}
.hero-stats dt { font-size: 24px; font-weight: 900; letter-spacing: -.04em; }
.hero-stats dd { margin: 5px 0 0; color: var(--soft); font-size: 13px; }

.hero-visual { position: relative; min-height: 690px; display: grid; place-items: center; }
.orb { position: absolute; border-radius: 50%; filter: blur(4px); opacity: .86; }
.orb-one { width: 320px; height: 320px; background: radial-gradient(circle, rgba(118,228,255,.55), transparent 67%); left: -80px; top: 86px; animation: float 7s ease-in-out infinite; }
.orb-two { width: 260px; height: 260px; background: radial-gradient(circle, rgba(255,139,209,.48), transparent 67%); right: -20px; bottom: 90px; animation: float 8s ease-in-out infinite reverse; }
.phone {
  position: relative;
  width: min(360px, 78vw);
  aspect-ratio: 9 / 19.5;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 46px;
  padding: 14px;
  background: linear-gradient(145deg, rgba(255,255,255,.2), rgba(255,255,255,.04));
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.08);
  overflow: hidden;
}
.phone::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 34px;
  box-shadow: inset 0 0 35px rgba(0,0,0,.28);
  pointer-events: none;
}
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 34px; }
.phone-bar {
  position: absolute;
  top: 25px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(6, 10, 24, .74);
  border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(12px);
  color: rgba(255,255,255,.84);
  font-size: 12px;
}
.phone-bar i, .phone-bar b { display: block; width: 7px; height: 7px; border-radius: 999px; background: var(--accent); }
.phone-bar b { background: var(--hot); }
.floating-card {
  position: absolute;
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(9, 17, 39, .74);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 70px rgba(0,0,0,.28);
}
.floating-card strong { font-size: 14px; }
.floating-card small { color: var(--soft); }
.card-terminal { left: 0; bottom: 120px; }
.card-voice { right: -8px; top: 154px; }
.terminal-dot, .pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 8px rgba(112,255,187,.1); }
.pulse { background: var(--hot); animation: pulse 1.8s ease infinite; }

.logo-strip {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,.045);
}
.logo-strip span { color: var(--muted); padding: 10px 16px; border-radius: 999px; background: rgba(255,255,255,.055); font-weight: 750; }

.section-heading { max-width: 800px; margin-bottom: 34px; }
.section-heading.narrow { max-width: 680px; text-align: center; margin-inline: auto; }
h2 { font-size: clamp(38px, 5.8vw, 72px); line-height: 1; letter-spacing: -.065em; margin: 12px 0 18px; }
.section-heading p:not(.eyebrow), .showcase-copy p, .security p { color: var(--muted); line-height: 1.8; font-size: 17px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-card {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
  box-shadow: 0 18px 80px rgba(0,0,0,.18);
}
.feature-card.big { grid-column: span 2; background: radial-gradient(circle at 20% 12%, rgba(118,228,255,.24), transparent 34%), linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.045)); }
.icon { font-size: 34px; width: 64px; height: 64px; display: grid; place-items: center; border-radius: 22px; background: rgba(255,255,255,.08); margin-bottom: 24px; }
.feature-card h3 { font-size: 26px; letter-spacing: -.035em; margin-bottom: 12px; }
.feature-card p { color: var(--muted); line-height: 1.75; margin-bottom: 0; }

.showcase { display: grid; grid-template-columns: .82fr 1.18fr; gap: 48px; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 13px; color: var(--muted); }
.check-list li { position: relative; padding-left: 32px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: -1px; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: #06101e; background: var(--accent); font-weight: 900; font-size: 13px; }
.showcase-board { position: relative; min-height: 560px; }
.wide-shot {
  width: 100%;
  border-radius: 32px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: rotate(-1.5deg);
}
.mini-phone { position: absolute; width: 170px; border-radius: 26px; overflow: hidden; border: 1px solid rgba(255,255,255,.2); box-shadow: 0 24px 70px rgba(0,0,0,.35); background: #10172c; padding: 7px; }
.mini-phone img { border-radius: 20px; }
.mini-phone.a { left: 18px; bottom: 0; transform: rotate(5deg); }
.mini-phone.b { right: 28px; bottom: -18px; transform: rotate(-4deg); }

.scenario-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.scenario-grid article {
  min-height: 240px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255,255,255,.055);
}
.scenario-grid strong { display: block; font-size: 23px; letter-spacing: -.035em; margin-bottom: 14px; }
.scenario-grid span { color: var(--muted); line-height: 1.75; }

.gallery-grid { display: grid; grid-template-columns: 1.08fr .92fr .92fr; gap: 18px; align-items: end; }
.shot { margin: 0; padding: 10px; border-radius: 36px; border: 1px solid var(--line); background: rgba(255,255,255,.07); box-shadow: 0 24px 80px rgba(0,0,0,.22); }
.shot img { width: 100%; aspect-ratio: 9/17.6; object-fit: cover; border-radius: 28px; object-position: top; }
.shot.tall img { aspect-ratio: 9/18.5; }
.shot figcaption { padding: 14px 8px 8px; color: var(--muted); font-weight: 750; }

.timeline-list { display: grid; gap: 14px; max-width: 880px; margin: 0 auto; }
.timeline-list article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,.055);
}
.timeline-list time { color: var(--accent); font-weight: 900; }
.timeline-list h3 { margin-bottom: 8px; font-size: 23px; letter-spacing: -.03em; }
.timeline-list p { grid-column: 2; margin: -12px 0 0; color: var(--muted); line-height: 1.7; }

.security {
  margin-bottom: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 46px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 36px;
  background: radial-gradient(circle at 14% 20%, rgba(255,139,209,.16), transparent 32%), rgba(255,255,255,.06);
}
.security h2 { font-size: clamp(32px, 4.2vw, 54px); }
.security p { max-width: 760px; margin-bottom: 0; }
.footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto 28px;
  padding: 24px 0 36px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--soft);
}
.footer div { display: flex; align-items: center; gap: 10px; color: white; white-space: nowrap; }
.footer img { border-radius: 10px; }
.footer span { color: var(--soft); }
.footer p { max-width: 650px; margin: 0; line-height: 1.7; font-size: 13px; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .75s cubic-bezier(.2,.8,.2,1), transform .75s cubic-bezier(.2,.8,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes float { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-22px) scale(1.04); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255,139,209,.45); } 100% { box-shadow: 0 0 0 18px rgba(255,139,209,0); } }

@media (max-width: 980px) {
  .site-header { border-radius: 28px; align-items: flex-start; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; justify-content: center; overflow-x: auto; }
  .hero, .showcase { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; gap: 20px; }
  .hero-visual { min-height: 650px; }
  .feature-grid, .scenario-grid, .gallery-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.big { grid-column: span 2; }
  .security, .footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .site-header { top: 8px; width: calc(100% - 18px); margin-top: 8px; }
  .brand span { font-size: 15px; }
  .header-actions .ghost { display: none; }
  .nav { justify-content: flex-start; }
  .nav a { font-size: 13px; padding: 8px 10px; }
  .section-pad { width: min(100% - 24px, 1180px); padding: 72px 0; }
  h1 { font-size: clamp(48px, 17vw, 72px); }
  h2 { font-size: clamp(34px, 12vw, 50px); }
  .hero-stats, .feature-grid, .scenario-grid, .gallery-grid { grid-template-columns: 1fr; }
  .feature-card.big { grid-column: auto; }
  .hero-visual { min-height: 560px; }
  .phone { width: min(310px, 84vw); border-radius: 38px; }
  .card-terminal { left: 0; bottom: 62px; }
  .card-voice { right: 0; top: 70px; }
  .floating-card { max-width: 230px; }
  .showcase-board { min-height: 470px; }
  .mini-phone { width: 125px; }
  .timeline-list article { grid-template-columns: 1fr; gap: 8px; }
  .timeline-list p { grid-column: auto; margin-top: 0; }
  .security { padding: 28px; }
}
