:root {
  --bg: #040815;
  --panel: rgba(9, 21, 45, .72);
  --panel-strong: rgba(13, 28, 62, .88);
  --line: rgba(87, 209, 255, .28);
  --line-strong: rgba(132, 225, 255, .74);
  --text: #f6fbff;
  --muted: #a7b5d3;
  --cyan: #21d9ff;
  --blue: #2d7dff;
  --violet: #8d5cff;
  --pink: #ff4fa5;
  --orange: #ffb34d;
  --radius: 28px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 8%, rgba(33,217,255,.18), transparent 32rem),
    radial-gradient(circle at 86% 20%, rgba(255,79,165,.16), transparent 28rem),
    linear-gradient(180deg, #030713 0%, #06112a 48%, #030713 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.68;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.cosmos {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background-image:
    linear-gradient(rgba(67, 179, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 179, 255, .06) 1px, transparent 1px),
    radial-gradient(circle at 50% 0%, rgba(110, 94, 255, .18), transparent 28rem);
  background-size: 56px 56px, 56px 56px, auto;
  mask-image: radial-gradient(circle at 50% 22%, black, transparent 76%);
}
.cosmos::before,
.cosmos::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(33,217,255,.25);
}
.cosmos::before { width: 520px; height: 520px; left: -240px; top: 180px; }
.cosmos::after { width: 460px; height: 460px; right: -220px; bottom: 100px; border-color: rgba(255,79,165,.22); }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(87,209,255,.18);
  background: rgba(4, 8, 21, .76);
  backdrop-filter: blur(18px);
}
.nav-wrap { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-icon {
  width: 46px; height: 46px; border-radius: 15px; position: relative;
  background: linear-gradient(135deg, var(--cyan), var(--violet) 48%, var(--pink) 70%, var(--orange));
  box-shadow: 0 0 34px rgba(33,217,255,.28), 0 0 34px rgba(255,79,165,.16);
}
.brand-icon::before { content:""; position:absolute; left:9px; right:9px; bottom:9px; height:23px; border-radius:8px; background:rgba(255,255,255,.9); }
.brand-icon::after { content:""; position:absolute; left:16px; bottom:13px; width:14px; height:14px; border-radius:50%; background:#08142d; box-shadow:5px -3px 0 -1px var(--cyan); }
.brand strong { display:block; font-size:20px; letter-spacing:.05em; }
.brand em { display:block; color:var(--cyan); font-style:normal; font-size:12px; letter-spacing:.18em; margin-top:-2px; }
.site-nav { display:flex; align-items:center; gap:4px; padding:6px; border:1px solid rgba(87,209,255,.2); border-radius:999px; background:rgba(255,255,255,.035); }
.site-nav a { padding:8px 14px; border-radius:999px; color:#dbe8ff; font-size:14px; font-weight:700; transition:.2s ease; }
.site-nav a:hover { color:#030713; background:linear-gradient(135deg,var(--cyan),#c2f7ff); }
.nav-toggle { display:none; }
.section-pad { padding: 104px 0; position: relative; }
.hero { min-height: calc(100vh - 76px); display:flex; align-items:center; padding-top:76px; }
.hero-grid { display:grid; grid-template-columns:minmax(0,.88fr) minmax(430px,1.12fr); gap:44px; align-items:center; }
.eyebrow,
.kicker { display:inline-flex; align-items:center; gap:10px; color:var(--cyan); font-weight:900; letter-spacing:.14em; text-transform:uppercase; font-size:13px; }
.eyebrow::before,
.kicker::before { content:""; width:36px; height:3px; border-radius:999px; background:linear-gradient(90deg,var(--cyan),var(--pink)); box-shadow:0 0 18px rgba(33,217,255,.6); }
h1,h2,h3,p { margin-top:0; }
h1 { margin:20px 0 22px; font-size:clamp(42px,5.2vw,64px); line-height:1.12; letter-spacing:-.03em; text-shadow:0 0 32px rgba(60,157,255,.32); }
h1 span { color:transparent; background:linear-gradient(90deg,var(--cyan),#9ebcff,var(--pink),var(--orange)); -webkit-background-clip:text; background-clip:text; }
h2 { font-size:clamp(32px,4.5vw,58px); line-height:1.12; letter-spacing:-.045em; margin-bottom:18px; }
h3 { line-height:1.35; }
.lead { color:#d7e2f7; font-size:20px; max-width:680px; margin-bottom:30px; }
.hero-actions,.contact-actions { display:flex; flex-wrap:wrap; align-items:center; gap:14px; }
.btn { min-height:50px; display:inline-flex; align-items:center; justify-content:center; padding:0 22px; border-radius:999px; font-weight:900; letter-spacing:.04em; transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.btn:hover { transform:translateY(-2px); }
.btn.primary { color:#06101e; background:linear-gradient(135deg,var(--cyan),#d8faff); box-shadow:0 18px 46px rgba(33,217,255,.32); }
.btn.ghost { border:1px solid rgba(180,227,255,.34); color:#f6fbff; background:rgba(255,255,255,.04); }
.btn.ghost:hover { border-color:var(--cyan); box-shadow:0 0 28px rgba(33,217,255,.22); }
.hero-metrics { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin-top:28px; }
.hero-metrics span { padding:14px; border:1px solid rgba(87,209,255,.22); border-radius:18px; background:rgba(8,21,45,.58); color:#dbe8ff; }
.hero-metrics b { display:block; color:var(--cyan); font-size:22px; line-height:1.1; }
.hero-panel,.image-card,.wide-visual,.contact-card { position:relative; border:1px solid rgba(132,225,255,.24); border-radius:var(--radius); background:linear-gradient(150deg,rgba(9,21,45,.76),rgba(4,8,21,.76)); box-shadow:0 28px 80px rgba(0,0,0,.38), inset 0 0 38px rgba(33,217,255,.06); overflow:hidden; }
.hero-panel { padding:10px; }
.hero-panel::after,.image-card::after,.wide-visual::after,.contact-card::after { content:""; position:absolute; inset:0; pointer-events:none; border-radius:inherit; background:linear-gradient(135deg,rgba(33,217,255,.16),transparent 36%,rgba(255,79,165,.11)); }
.hero-panel img { width:100%; height:100%; object-fit:contain; border-radius:calc(var(--radius) - 10px); }
.image-card img,.wide-visual img { width:100%; height:100%; object-fit:contain; border-radius:calc(var(--radius) - 10px); }
.section-head { max-width:820px; margin:0 auto 44px; text-align:center; }
.section-head p { color:var(--muted); font-size:18px; margin-bottom:0; }
.capability-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; margin-bottom:28px; }
.glass-card,.advantage-card,.scene-card,.mode-card { border:1px solid rgba(132,225,255,.22); background:linear-gradient(180deg,rgba(14,31,65,.76),rgba(5,10,25,.74)); border-radius:24px; box-shadow:0 20px 60px rgba(0,0,0,.25); }
.glass-card { padding:24px; min-height:240px; }
.glass-card span,.mode-card span { display:inline-grid; place-items:center; width:42px; height:42px; border-radius:50%; color:#06101e; font-weight:900; background:linear-gradient(135deg,var(--cyan),#e3fbff); }
.glass-card h3 { font-size:23px; margin:16px 0 10px; color:#fff; }
.glass-card p,.advantage-card p,.scene-card p,.mode-card p { color:var(--muted); margin-bottom:0; }
.split-grid,.showcase-grid { display:grid; grid-template-columns:.88fr 1.12fr; gap:32px; align-items:center; }
.showcase-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
.split-copy p { color:var(--muted); font-size:18px; }
.check-list { list-style:none; padding:0; margin:24px 0 0; display:grid; gap:13px; color:#dfeaff; }
.check-list li { position:relative; padding-left:34px; }
.check-list li::before { content:"✓"; position:absolute; left:0; top:1px; width:22px; height:22px; display:grid; place-items:center; border-radius:7px; color:#06101e; font-weight:900; background:linear-gradient(135deg,var(--cyan),#dffbff); }
.loop { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:14px; margin-bottom:24px; }
.loop div { padding:22px 18px; border:1px solid rgba(132,225,255,.22); border-radius:22px; background:rgba(8,21,45,.68); text-align:center; position:relative; }
.loop div:not(:last-child)::after { content:""; position:absolute; right:-13px; top:50%; width:12px; height:2px; background:linear-gradient(90deg,var(--cyan),var(--pink)); }
.loop b { display:block; color:var(--cyan); font-size:26px; }
.loop span { color:#cfdbef; font-size:14px; }
.advantage-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; margin-bottom:28px; }
.advantage-card { padding:24px; }
.advantage-card h3 { margin-bottom:10px; color:var(--cyan); font-size:24px; }
.scene-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.scene-card { padding:24px; min-height:220px; position:relative; overflow:hidden; }
.scene-card::before { content:""; position:absolute; inset:0 0 auto; height:4px; background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink),var(--orange)); }
.scene-card strong { color:transparent; background:linear-gradient(135deg,var(--cyan),var(--pink)); -webkit-background-clip:text; background-clip:text; font-size:34px; font-weight:900; }
.scene-card h3 { margin:10px 0; font-size:23px; }
.gallery { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; margin:30px 0; }
.gallery img { width:100%; height:210px; object-fit:cover; border-radius:22px; border:1px solid rgba(132,225,255,.22); }
.cooperation-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; margin-bottom:28px; }
.mode-card { padding:28px; min-height:290px; }
.mode-card h3 { margin:16px 0 10px; font-size:24px; }
.mode-card em { display:block; margin-top:20px; padding-top:18px; border-top:1px dashed rgba(132,225,255,.25); color:#fff; font-style:normal; font-weight:800; }
.contact-card { display:grid; grid-template-columns:1fr 310px; gap:34px; align-items:center; padding:clamp(28px,5vw,54px); }
.contact-card p { color:var(--muted); font-size:18px; }
.mail-disabled { min-height:50px; display:inline-flex; align-items:center; padding:0 20px; border:1px solid rgba(180,227,255,.26); border-radius:999px; color:#c9d8f2; background:rgba(255,255,255,.035); font-weight:800; }
.company-card { position:relative; z-index:1; padding:26px; min-height:210px; display:grid; align-content:center; gap:12px; border-radius:24px; border:1px solid rgba(132,225,255,.28); background:radial-gradient(circle at 30% 20%,rgba(33,217,255,.24),transparent 58%),rgba(5,12,30,.78); }
.company-card span { font-size:22px; font-weight:900; }
.company-card b { color:var(--cyan); letter-spacing:.12em; }
.site-footer { padding:28px 0; border-top:1px solid rgba(87,209,255,.14); color:#7e90b5; }
.footer-inner { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.footer-inner p { margin:0; }
.footer-inner a { color:var(--cyan); }
.reveal { opacity:1; transform:none; }
.has-js .reveal { opacity:0; transform:translateY(24px); transition:opacity .65s ease, transform .65s ease; }
.has-js .reveal.is-visible { opacity:1; transform:translateY(0); }
@media (max-width:1080px) {
  .hero-grid,.split-grid,.showcase-grid { grid-template-columns:1fr; }
  .capability-grid,.advantage-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .scene-grid,.cooperation-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .loop { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .loop div::after { display:none; }
}
@media (max-width:760px) {
  .container { width:min(calc(100% - 28px),var(--container)); }
  .nav-toggle { display:grid; gap:6px; place-items:center; width:44px; height:44px; border:1px solid rgba(87,209,255,.24); background:rgba(255,255,255,.035); border-radius:14px; }
  .nav-toggle span { display:block; width:20px; height:2px; border-radius:999px; background:var(--cyan); }
  .site-nav { position:fixed; left:14px; right:14px; top:86px; display:none; flex-direction:column; border-radius:24px; padding:12px; background:rgba(5,10,25,.96); box-shadow:0 30px 80px rgba(0,0,0,.45); }
  body.nav-open .site-nav { display:flex; }
  .site-nav a { width:100%; text-align:center; }
  .section-pad { padding:76px 0; }
  .hero { padding-top:52px; }
  h1 { font-size:clamp(50px,16vw,72px); }
  h2 { font-size:clamp(30px,10vw,44px); }
  .lead { font-size:17px; }
  .hero-metrics,.capability-grid,.advantage-grid,.scene-grid,.cooperation-grid,.loop,.gallery,.contact-card { grid-template-columns:1fr; }
  .gallery img { height:220px; }
  .contact-card { text-align:left; }
  .footer-inner { flex-direction:column; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation-duration:.01ms!important; transition-duration:.01ms!important; scroll-behavior:auto!important; }
  .has-js .reveal,.reveal { opacity:1; transform:none; }
}

.video-section {
  background: linear-gradient(180deg, transparent, rgba(33, 217, 255, .055), transparent);
}
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.video-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(132, 225, 255, .24);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(13, 28, 62, .82), rgba(4, 8, 21, .8));
  box-shadow: 0 24px 70px rgba(0, 0, 0, .32), inset 0 0 34px rgba(33, 217, 255, .06);
}
.video-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--pink), var(--orange));
  z-index: 2;
}
.video-card video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #02050e;
  border-bottom: 1px solid rgba(132, 225, 255, .16);
}
.vertical-video-card video {
  object-fit: contain;
  background: radial-gradient(circle at center, rgba(33, 217, 255, .08), #02050e 68%);
}
.video-card div {
  padding: 22px 24px 24px;
}
.video-card span {
  color: var(--cyan);
  font-weight: 900;
  letter-spacing: .18em;
  font-size: 13px;
}
.video-card h3 {
  margin: 8px 0 8px;
  font-size: 23px;
}
.video-card p {
  margin: 0;
  color: var(--muted);
}
@media (max-width: 760px) {
  .video-grid { grid-template-columns: 1fr; }
}