:root {
  --bg: #080b18;
  --bg-soft: #101631;
  --card: rgba(255,255,255,.08);
  --card-strong: rgba(255,255,255,.13);
  --text: #f7f8ff;
  --muted: #b9c1dc;
  --line: rgba(255,255,255,.16);
  --brand: #8a5cff;
  --brand-2: #14f1d9;
  --warm: #ffcc66;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
  --radius: 28px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(138,92,255,.32), transparent 32rem),
    radial-gradient(circle at 88% 6%, rgba(20,241,217,.22), transparent 30rem),
    linear-gradient(180deg, #070a18 0%, #0b1024 45%, #070a18 100%);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 12px; background: #fff; color: #111; padding: 10px 14px; border-radius: 10px; z-index: 99; }
.skip-link:focus { left: 12px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8,11,24,.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 0; }
.logo-wrap { display: flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: .03em; }
.logo-wrap img { width: 108px; height: auto; }
.logo-domain { color: var(--muted); font-size: 13px; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); color: #fff; }
.nav-list { display: flex; align-items: center; gap: 8px; padding: 0; margin: 0; list-style: none; }
.nav-list a { display: block; padding: 10px 14px; color: #eaf0ff; border-radius: 999px; font-size: 15px; }
.nav-list a:hover, .nav-list a.active { background: linear-gradient(135deg, rgba(138,92,255,.28), rgba(20,241,217,.18)); }
.search-row { padding: 0 0 14px; }
.search-box { display: grid; grid-template-columns: 1fr auto; gap: 10px; background: rgba(255,255,255,.07); border: 1px solid var(--line); border-radius: 999px; padding: 8px; box-shadow: inset 0 1px 0 rgba(255,255,255,.07); }
.search-box input { background: transparent; border: 0; outline: 0; color: #fff; padding: 10px 16px; font-size: 16px; }
.search-box input::placeholder { color: #9faad0; }
.search-box button, .btn { border: 0; cursor: pointer; color: #06101d; background: linear-gradient(135deg, var(--brand-2), #fff, var(--warm)); border-radius: 999px; padding: 12px 18px; font-weight: 800; box-shadow: 0 10px 30px rgba(20,241,217,.18); }
.btn.secondary { color: #fff; background: rgba(255,255,255,.08); border: 1px solid var(--line); box-shadow: none; }
.search-result { min-height: 24px; margin-top: 8px; color: var(--muted); font-size: 14px; padding-left: 16px; }
.hero { padding: 76px 0 44px; position: relative; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.04fr) minmax(320px,.96fr); gap: 34px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.07); color: #dfe7ff; font-size: 14px; }
.eyebrow::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--brand-2); box-shadow: 0 0 24px var(--brand-2); }
h1 { font-size: clamp(42px, 8vw, 88px); line-height: .98; margin: 20px 0 18px; letter-spacing: -.05em; }
h2 { font-size: clamp(30px, 5vw, 56px); line-height: 1.08; margin: 0 0 12px; letter-spacing: -.04em; }
h3 { margin: 0 0 8px; font-size: 22px; }
h4 { margin: 0 0 8px; font-size: 18px; }
p { margin: 0; color: var(--muted); }
.hero-lead { font-size: 18px; max-width: 690px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }
.metric-row { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; max-width: 680px; }
.metric { padding: 18px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.07); }
.metric strong { display: block; font-size: 28px; color: #fff; }
.hero-card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); box-shadow: var(--shadow); transform: translateZ(0); }
.hero-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.hero-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(0,0,0,.78)); pointer-events: none; }
.hero-card-content { position: absolute; left: 24px; right: 24px; bottom: 22px; z-index: 1; }
.video-play { width: 68px; height: 68px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.45); backdrop-filter: blur(12px); margin-bottom: 14px; transition: transform .25s ease, background .25s ease; }
.video-play span { width: 0; height: 0; border-top: 13px solid transparent; border-bottom: 13px solid transparent; border-left: 20px solid #fff; margin-left: 4px; }
.hero-card:hover .video-play, .video-card:hover .video-play { transform: scale(1.08); background: rgba(20,241,217,.28); }
.section { padding: 64px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.section-head p { max-width: 660px; }
.kicker { color: var(--brand-2); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 24px; box-shadow: 0 16px 44px rgba(0,0,0,.2); position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: -1px; background: radial-gradient(circle at 20% 0%, rgba(138,92,255,.2), transparent 30%); pointer-events: none; }
.card > * { position: relative; }
.card:hover { transform: translateY(-4px); transition: transform .25s ease; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag { display: inline-flex; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.07); color: #dce6ff; padding: 5px 10px; border-radius: 999px; font-size: 13px; }
.video-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.video-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: rgba(255,255,255,.08); box-shadow: 0 18px 50px rgba(0,0,0,.25); position: relative; }
.video-media { position: relative; background: #101733; }
.video-media img, .video-media video { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.video-media .video-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%) scale(.86); opacity: 0; margin: 0; }
.video-card:hover .video-media .video-play { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.video-body { padding: 18px; }
.stats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; color: #dfe7ff; font-size: 13px; }
.stats span { background: rgba(255,255,255,.07); border-radius: 999px; padding: 5px 9px; }
.timeline { display: grid; gap: 14px; }
.step { display: grid; grid-template-columns: 52px 1fr; gap: 14px; align-items: start; }
.step-num { width: 52px; height: 52px; border-radius: 18px; display: grid; place-items: center; font-weight: 900; color: #07111f; background: linear-gradient(135deg, var(--brand-2), var(--warm)); }
.feature-band { border: 1px solid var(--line); border-radius: 34px; padding: 30px; background: linear-gradient(135deg, rgba(138,92,255,.18), rgba(20,241,217,.08)); display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; }
.faq details { border: 1px solid var(--line); background: rgba(255,255,255,.06); border-radius: 20px; padding: 18px 20px; }
.faq details + details { margin-top: 12px; }
.faq summary { cursor: pointer; font-weight: 800; }
.faq p { margin-top: 10px; }
.quote-card blockquote { margin: 0; color: #eef3ff; font-size: 18px; }
.quote-card cite { display: block; margin-top: 12px; color: var(--muted); font-style: normal; }
.contact-grid { grid-template-columns: 1.2fr .8fr; }
.map-box { min-height: 310px; border-radius: var(--radius); border: 1px dashed rgba(255,255,255,.32); display: grid; place-items: center; background: linear-gradient(135deg, rgba(255,255,255,.07), rgba(20,241,217,.06)); color: #dfe7ff; text-align: center; padding: 20px; }
.qr-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 18px; }
.qr-row figure { margin: 0; background: rgba(255,255,255,.08); border-radius: 22px; padding: 12px; }
.qr-row figcaption { color: var(--muted); font-size: 13px; margin-top: 8px; text-align: center; }
.breadcrumb { color: var(--muted); margin: 28px 0 0; font-size: 14px; }
.breadcrumb a { color: #fff; }
.page-hero { padding: 58px 0 34px; }
.content-list { display: grid; gap: 16px; }
.content-item { padding: 22px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.07); }
.site-footer { border-top: 1px solid var(--line); background: rgba(3,6,16,.8); padding: 38px 0 26px; margin-top: 50px; }
.footer-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 24px; align-items: start; }
.footer-logo { width: 116px; margin-bottom: 12px; }
.footer-links { display: grid; gap: 8px; }
.footer-bottom { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; justify-content: space-between; font-size: 14px; }
.reveal { animation: rise .65s ease both; }
.floaty { animation: floaty 5s ease-in-out infinite; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@media (max-width: 980px) {
  .hero-grid, .contact-grid, .grid-2, .grid-3, .grid-4, .video-grid, .footer-grid { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .feature-band { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .topbar { align-items: flex-start; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav-list { display: none; position: absolute; left: 16px; right: 16px; top: 72px; background: rgba(8,11,24,.96); border: 1px solid var(--line); border-radius: 22px; padding: 12px; box-shadow: var(--shadow); }
  .nav-list.open { display: grid; }
  .nav-list a { padding: 12px 14px; }
  .search-box { grid-template-columns: 1fr; border-radius: 24px; }
  .hero { padding-top: 46px; }
  .section { padding: 44px 0; }
  .card, .feature-band { padding: 20px; }
}