:root {
  --navy-950: #071a3a;
  --navy-900: #0b2554;
  --navy-800: #123d80;
  --blue-600: #2469e8;
  --blue-500: #3a7af0;
  --blue-100: #eaf2ff;
  --ink: #0d1d38;
  --muted: #65718a;
  --line: #dce5f2;
  --surface: #ffffff;
  --page: #f4f7fb;
  --warm: #d79542;
  --shadow: 0 24px 70px rgba(20, 45, 90, .12);
  --radius-lg: 30px;
  --radius-md: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 8%, rgba(50, 112, 224, .12), transparent 26rem),
    radial-gradient(circle at 92% 16%, rgba(223, 158, 70, .10), transparent 24rem),
    var(--page);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.page-shell { min-height: 100vh; overflow: hidden; }
.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  width: min(1180px, calc(100% - 40px));
  min-height: 72px;
  margin: 16px auto 0;
  padding: 10px 12px 10px 16px;
  display: flex;
  align-items: center;
  gap: 28px;
  border: 1px solid rgba(194, 208, 229, .86);
  border-radius: 22px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 12px 36px rgba(25, 51, 93, .08);
  backdrop-filter: blur(18px);
  transition: box-shadow .2s ease, background .2s ease;
}
.site-header.is-scrolled { background: rgba(255,255,255,.96); box-shadow: 0 16px 42px rgba(25, 51, 93, .14); }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 5px;
  border: 1px solid #dce5f1;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(22, 55, 106, .11);
}
.brand-copy { display: grid; gap: 3px; }
.brand-copy strong { font-family: Georgia, "Times New Roman", serif; font-size: 18px; letter-spacing: .6px; }
.brand-copy small { color: #426189; font-size: 9px; font-weight: 800; letter-spacing: 2.5px; }
.site-nav { flex: 1; display: flex; justify-content: center; gap: 28px; }
.site-nav a { color: #45536a; font-size: 13px; font-weight: 700; transition: color .18s ease; }
.site-nav a:hover { color: var(--blue-600); }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 800;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg, #2366de, #397bf2); box-shadow: 0 12px 28px rgba(36, 105, 232, .25); }
.button-primary:hover { box-shadow: 0 16px 34px rgba(36, 105, 232, .34); }
.button-secondary { color: #183a70; border-color: #cbd9ec; background: rgba(255,255,255,.8); }
.button-secondary:hover { border-color: #8eafe4; background: #fff; }
.button-small { min-height: 42px; padding: 0 18px; border-radius: 12px; font-size: 13px; }
.button-wide { width: 100%; }
.button-light { color: #0d2b63; background: #fff; box-shadow: 0 14px 36px rgba(1, 19, 55, .22); }
.section-grid, .section, .site-footer, .final-cta { width: min(1180px, calc(100% - 40px)); margin-left: auto; margin-right: auto; }
.hero { min-height: 720px; padding: 100px 0 84px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 60px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: #315c9f; font-size: 11px; font-weight: 900; letter-spacing: 2px; }
.eyebrow span { width: 28px; height: 2px; background: linear-gradient(90deg, var(--blue-600), #8bb5ff); }
.eyebrow.light { color: #b8d4ff; }
.eyebrow.light span { background: linear-gradient(90deg, #fff, #6fa4f2); }
.hero h1 { margin: 24px 0 20px; max-width: 720px; font-size: clamp(42px, 5vw, 70px); line-height: 1.11; letter-spacing: -2.4px; }
.hero-lead { max-width: 660px; margin: 0; color: #526178; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 28px; color: #526178; font-size: 12px; font-weight: 700; }
.hero-notes span { display: inline-flex; align-items: center; gap: 8px; }
.hero-notes span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--blue-600); box-shadow: 0 0 0 4px rgba(36,105,232,.1); }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.visual-orbit { position: absolute; border: 1px solid rgba(47, 104, 199, .14); border-radius: 50%; }
.orbit-one { width: 510px; height: 510px; animation: spin 24s linear infinite; }
.orbit-two { width: 390px; height: 390px; border-style: dashed; animation: spin 18s linear infinite reverse; }
.orbit-one::after, .orbit-two::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: #3f83f5; box-shadow: 0 0 0 8px rgba(63,131,245,.12); }
.orbit-one::after { top: 52px; right: 58px; }
.orbit-two::after { bottom: 36px; left: 62px; background: #e1a451; box-shadow: 0 0 0 8px rgba(225,164,81,.12); }
@keyframes spin { to { transform: rotate(360deg); } }
.dashboard-card {
  position: relative;
  z-index: 2;
  width: min(100%, 500px);
  padding: 25px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 28px;
  background:
    radial-gradient(circle at 86% 8%, rgba(80, 143, 255, .42), transparent 16rem),
    linear-gradient(145deg, #0c2b61, #133f84 64%, #164993);
  box-shadow: 0 34px 80px rgba(9, 41, 94, .3);
}
.dashboard-topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.dashboard-topbar > div { display: grid; gap: 5px; }
.dashboard-topbar strong { font-size: 21px; }
.dashboard-kicker { color: #9fc5ff; font-size: 9px; font-weight: 900; letter-spacing: 2px; }
.status-pill { padding: 8px 10px; display: inline-flex; align-items: center; gap: 7px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; background: rgba(255,255,255,.08); color: #d9e8ff; font-size: 10px; }
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: #45d996; box-shadow: 0 0 0 4px rgba(69,217,150,.14); }
.metric-grid { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric-grid article { min-height: 126px; padding: 18px; display: grid; align-content: start; gap: 8px; border: 1px solid rgba(255,255,255,.13); border-radius: 17px; background: rgba(255,255,255,.07); }
.metric-grid small { color: #a8c8f5; font-size: 10px; font-weight: 800; }
.metric-grid strong { font-size: 19px; }
.metric-grid span { color: #cfdef4; font-size: 11px; line-height: 1.6; }
.flow-strip { margin-top: 15px; padding: 16px 12px; display: flex; align-items: center; justify-content: space-between; border-radius: 15px; background: rgba(1, 20, 51, .22); }
.flow-node { color: #b9cae3; font-size: 10px; font-weight: 800; }
.flow-node.active { color: #fff; }
.flow-strip b { flex: 1; height: 1px; margin: 0 9px; background: linear-gradient(90deg, rgba(116,164,235,.8), rgba(116,164,235,.18)); }
.dashboard-footer { display: flex; justify-content: space-between; margin-top: 16px; color: #8fb1e3; font-size: 9px; font-weight: 700; letter-spacing: .7px; }
.section { padding: 94px 0; }
.section-heading { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-heading.narrow { max-width: 800px; }
.section-heading h2, .deployment-copy h2, .final-cta h2 { margin: 18px 0 14px; font-size: clamp(31px, 4vw, 48px); line-height: 1.22; letter-spacing: -1.3px; }
.section-heading p, .deployment-copy > p, .final-cta p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.capability-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.capability-card { position: relative; min-height: 330px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.86); box-shadow: 0 14px 44px rgba(25, 54, 101, .06); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.capability-card:hover { transform: translateY(-6px); border-color: #b4c9e7; box-shadow: 0 24px 56px rgba(25,54,101,.12); }
.card-index { position: absolute; top: 24px; right: 26px; color: #d9e3f1; font-family: Georgia, serif; font-size: 36px; font-weight: 700; }
.card-icon { width: 50px; height: 50px; display: grid; place-items: center; color: #fff; border-radius: 15px; background: linear-gradient(145deg, #225dc7, #3f82f4); box-shadow: 0 12px 24px rgba(36,105,232,.2); font-size: 17px; font-weight: 900; }
.card-icon.warm { background: linear-gradient(145deg, #b87327, #eba95a); box-shadow: 0 12px 24px rgba(184,115,39,.2); }
.capability-card h3 { margin: 22px 0 12px; font-size: 22px; }
.capability-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.capability-card ul { margin: 20px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; }
.capability-card li { color: #344762; font-size: 12px; font-weight: 700; }
.capability-card li::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 10px; border-radius: 50%; background: var(--blue-600); vertical-align: 1px; }
.workflow-section { width: 100%; max-width: none; padding: 100px max(20px, calc((100% - 1180px)/2)); color: #fff; background:
  radial-gradient(circle at 82% 10%, rgba(61,128,242,.35), transparent 24rem),
  linear-gradient(135deg, #071b3e, #0d2f67 55%, #123f82); }
.workflow-section .section-heading p { color: #b8c9e3; }
.workflow-track { max-width: 1180px; margin: 52px auto 0; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; gap: 15px; }
.workflow-track article { min-height: 210px; padding: 26px; border: 1px solid rgba(255,255,255,.12); border-radius: 19px; background: rgba(255,255,255,.06); }
.workflow-track article > span { color: #7aabf6; font-family: Georgia, serif; font-size: 24px; font-weight: 700; }
.workflow-track h3 { margin: 24px 0 10px; font-size: 18px; }
.workflow-track p { margin: 0; color: #c2d1e6; font-size: 12px; line-height: 1.8; }
.workflow-track > i { align-self: center; color: #72a4ee; font-style: normal; }
.deployment-section { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 56px; }
.deployment-copy > p { max-width: 670px; }
.deployment-points { margin-top: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.deployment-points div { padding: 18px; display: grid; gap: 6px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.deployment-points b { font-size: 13px; }
.deployment-points span { color: var(--muted); font-size: 11px; }
.access-card { padding: 36px; border: 1px solid #c9d8ec; border-radius: 26px; background: linear-gradient(145deg, #fff, #f0f6ff); box-shadow: var(--shadow); }
.access-label { color: var(--blue-600); font-size: 10px; font-weight: 900; letter-spacing: 2px; }
.access-card h3 { margin: 20px 0 12px; font-size: 27px; line-height: 1.32; }
.access-card p { margin: 0 0 26px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.access-card small { display: block; margin-top: 14px; color: #8491a6; text-align: center; }
.faq-section { padding-top: 76px; }
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 12px; }
details { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.88); }
summary { position: relative; padding: 21px 54px 21px 22px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 800; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 22px; top: 16px; color: var(--blue-600); font-size: 24px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 22px 22px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.final-cta { margin-top: 48px; margin-bottom: 44px; padding: 48px 52px; display: flex; align-items: center; justify-content: space-between; gap: 36px; color: #fff; border-radius: var(--radius-lg); background:
  radial-gradient(circle at 86% 10%, rgba(97,158,255,.42), transparent 20rem),
  linear-gradient(135deg, #092252, #15488f); box-shadow: 0 28px 70px rgba(16,53,111,.24); }
.final-cta h2 { max-width: 720px; margin-bottom: 10px; font-size: clamp(30px, 4vw, 44px); }
.final-cta p { color: #c3d7f3; }
.final-cta .button { flex: 0 0 auto; }
.site-footer { padding: 38px 0 44px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; border-top: 1px solid #dce5f0; }
.footer-brand .brand-mark { width: 42px; height: 42px; }
.site-footer > p { color: var(--muted); font-size: 12px; }
.footer-links { display: flex; gap: 22px; color: #43536b; font-size: 12px; font-weight: 700; }
.copyright { grid-column: 1 / -1; margin: 4px 0 0; color: #8994a6 !important; font-size: 10px !important; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay { transition-delay: .12s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}
@media (max-width: 980px) {
  .site-nav { display: none; }
  .site-header { justify-content: space-between; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 82px; }
  .hero-copy { text-align: center; }
  .hero-lead { margin: 0 auto; }
  .hero-actions, .hero-notes { justify-content: center; }
  .hero-visual { min-height: 480px; }
  .deployment-section { grid-template-columns: 1fr; }
  .workflow-track { grid-template-columns: 1fr 1fr; }
  .workflow-track > i { display: none; }
  .site-footer { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}
@media (max-width: 700px) {
  .site-header { top: 8px; width: calc(100% - 20px); min-height: 64px; margin-top: 8px; padding: 8px 9px 8px 11px; border-radius: 18px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand-copy strong { font-size: 15px; }
  .brand-copy small { font-size: 7px; letter-spacing: 1.8px; }
  .site-header .button { min-height: 39px; padding: 0 13px; font-size: 11px; }
  .section-grid, .section, .site-footer, .final-cta { width: calc(100% - 28px); }
  .hero { padding: 72px 0 60px; gap: 30px; }
  .hero h1 { font-size: 38px; letter-spacing: -1.5px; }
  .hero-lead { font-size: 14px; }
  .hero-actions .button { width: 100%; }
  .hero-notes { gap: 12px; }
  .hero-visual { min-height: 420px; }
  .orbit-one { width: 390px; height: 390px; }
  .orbit-two { width: 300px; height: 300px; }
  .dashboard-card { padding: 18px; border-radius: 22px; }
  .dashboard-topbar { align-items: center; }
  .dashboard-topbar strong { font-size: 17px; }
  .status-pill { padding: 7px 8px; font-size: 8px; }
  .metric-grid article { min-height: 112px; padding: 14px; }
  .metric-grid strong { font-size: 16px; }
  .section { padding: 68px 0; }
  .section-heading { margin-bottom: 30px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 0; padding: 25px; }
  .workflow-section { padding: 76px 14px; }
  .workflow-track { grid-template-columns: 1fr; }
  .workflow-track article { min-height: 0; }
  .deployment-points { grid-template-columns: 1fr; }
  .access-card { padding: 27px; }
  .final-cta { padding: 34px 26px; flex-direction: column; align-items: flex-start; }
  .final-cta .button { width: 100%; }
}