:root {
  --ink: #0b1020;
  --ink-2: #18213a;
  --muted: #61708f;
  --paper: #f7f9ff;
  --white: #fff;
  --line: #dfe5f2;
  --blue: #4f6df5;
  --violet: #8b5cf6;
  --cyan: #22b8cf;
  --success: #0f9f6e;
  --shadow: 0 24px 70px rgba(34, 49, 100, .12);
  --radius: 24px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 10% 0, rgba(79,109,245,.08), transparent 32%),
              radial-gradient(circle at 100% 10%, rgba(139,92,246,.08), transparent 28%);
  z-index: -1;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 10px; z-index: 100; padding: 10px 16px; background: #fff; border-radius: 10px; }
.skip-link:focus { left: 10px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,249,255,.82);
  border-bottom: 1px solid rgba(223,229,242,.78);
  backdrop-filter: blur(18px);
}
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .02em; }
.brand img { width: 40px; height: 40px; }
.brand small { display: block; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; line-height: 1; }
.nav-links { display: flex; align-items: center; gap: 28px; color: #33405d; font-size: 15px; font-weight: 650; }
.nav-links a { position: relative; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -8px; width: 0; height: 2px; background: linear-gradient(90deg,var(--blue),var(--violet)); transition: width .2s ease; }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px; background: var(--ink); }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 999px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg,var(--blue),var(--violet)); box-shadow: 0 12px 30px rgba(79,109,245,.28); }
.button-secondary { background: #fff; border-color: var(--line); color: var(--ink-2); }
.button-small { min-height: 40px; padding-inline: 17px; font-size: 14px; }

.hero { position: relative; overflow: hidden; padding: 106px 0 82px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 70px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-size: 13px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
h1, h2, h3 { margin: 0; line-height: 1.16; letter-spacing: -.025em; }
h1 { margin-top: 22px; font-size: clamp(44px, 6vw, 76px); }
h1 span, .gradient-text { color: transparent; background: linear-gradient(100deg,var(--blue),var(--violet) 58%,var(--cyan)); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 680px; margin: 25px 0 0; color: var(--muted); font-size: clamp(18px,2vw,21px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 32px; color: #465577; font-size: 13px; font-weight: 650; }
.trust-row span { display: inline-flex; align-items: center; gap: 7px; }
.trust-row span::before { content: "✓"; display: grid; place-items: center; width: 20px; height: 20px; color: var(--success); background: rgba(15,159,110,.1); border-radius: 50%; }

.orbit { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.orbit::before, .orbit::after { content: ""; position: absolute; border: 1px solid rgba(79,109,245,.18); border-radius: 50%; }
.orbit::before { inset: 5%; }
.orbit::after { inset: 20%; }
.core-card { position: relative; z-index: 2; width: 62%; aspect-ratio: 1; display: grid; place-items: center; text-align: center; color: #fff; background: linear-gradient(145deg,#16203e,#27345d); border: 1px solid rgba(255,255,255,.18); border-radius: 35%; transform: rotate(8deg); box-shadow: 0 35px 80px rgba(24,33,58,.28); }
.core-card > div { transform: rotate(-8deg); }
.core-card img { width: 74px; margin: auto; filter: drop-shadow(0 12px 24px rgba(129,140,248,.35)); }
.core-card strong { display: block; margin-top: 13px; font-size: 24px; }
.planet { position: absolute; z-index: 3; display: grid; place-items: center; width: 86px; height: 86px; color: #fff; background: linear-gradient(145deg,var(--blue),var(--violet)); border: 7px solid rgba(255,255,255,.85); border-radius: 50%; box-shadow: var(--shadow); font-size: 12px; font-weight: 800; }
.planet-a { top: 5%; right: 11%; }
.planet-b { left: 2%; bottom: 20%; background: linear-gradient(145deg,#06b6d4,#4f6df5); }
.planet-c { right: 0; bottom: 9%; background: linear-gradient(145deg,#8b5cf6,#ec4899); }

.section { padding: 88px 0; }
.section-tight { padding: 62px 0; }
.section-dark { color: #fff; background: #0e152b; }
.section-head { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 40px; }
.section-head h2 { max-width: 680px; margin-top: 12px; font-size: clamp(32px,4vw,50px); }
.section-head p { max-width: 500px; margin: 0; color: var(--muted); }
.section-dark .section-head p { color: #aab5ce; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.card { padding: 30px; background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(40,55,100,.05); }
.card h3 { margin-top: 20px; font-size: 23px; }
.card p { margin: 12px 0 0; color: var(--muted); }
.card-icon { display: grid; place-items: center; width: 52px; height: 52px; color: #fff; background: linear-gradient(135deg,var(--blue),var(--violet)); border-radius: 16px; font-size: 23px; font-weight: 900; }
.card-link { display: inline-flex; margin-top: 22px; color: var(--blue); font-weight: 750; }
.card-link::after { content: "→"; margin-left: 8px; }
.metric { padding: 26px; text-align: center; border: 1px solid rgba(255,255,255,.1); border-radius: 22px; background: rgba(255,255,255,.04); }
.metric strong { display: block; color: #a5b4fc; font-size: 34px; }
.metric span { color: #aab5ce; font-size: 14px; }

.process { counter-reset: steps; display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.process-item { counter-increment: steps; position: relative; padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.process-item::before { content: "0" counter(steps); display: block; color: var(--blue); font-weight: 900; letter-spacing: .1em; }
.process-item h3 { margin-top: 34px; font-size: 20px; }
.process-item p { color: var(--muted); font-size: 14px; }

.cta { position: relative; overflow: hidden; padding: 50px; color: #fff; background: linear-gradient(135deg,#182342,#33368a); border-radius: 34px; box-shadow: var(--shadow); }
.cta::after { content: "✦"; position: absolute; right: 6%; top: -35%; color: rgba(255,255,255,.08); font-size: 240px; transform: rotate(20deg); }
.cta h2 { max-width: 700px; font-size: clamp(32px,4vw,50px); }
.cta p { max-width: 680px; color: #c4cceb; }
.cta .button-secondary { position: relative; z-index: 2; }

.page-hero { padding: 86px 0 56px; }
.page-hero h1 { max-width: 850px; font-size: clamp(40px,5vw,64px); }
.page-hero p { max-width: 760px; color: var(--muted); font-size: 19px; }
.breadcrumb { color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--blue); }
.prose { max-width: 860px; margin: 0 auto; padding: 20px 0 90px; }
.prose h2 { margin: 52px 0 16px; font-size: 30px; }
.prose h3 { margin: 34px 0 12px; font-size: 21px; }
.prose p, .prose li { color: #465577; }
.prose a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.prose .notice { padding: 22px 24px; background: #eef2ff; border-left: 4px solid var(--blue); border-radius: 0 14px 14px 0; }
.info-table { width: 100%; margin: 28px 0; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.info-table th, .info-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.info-table th { width: 30%; color: var(--ink); background: #f7f8fc; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; color: #116149; background: #e7f8f1; border-radius: 999px; font-size: 12px; font-weight: 800; }
.status-pill::before { content: ""; width: 7px; height: 7px; background: #10b981; border-radius: 50%; }

.site-footer { padding: 60px 0 28px; color: #bdc7dd; background: #0b1020; }
.footer-grid { display: grid; grid-template-columns: 1.45fr repeat(3,1fr); gap: 40px; }
.site-footer .brand { color: #fff; }
.site-footer .brand small { color: #8996b2; }
.footer-brand p { max-width: 360px; color: #8996b2; }
.site-footer h3 { margin-bottom: 18px; color: #fff; font-size: 15px; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 9px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.09); color: #75829f; font-size: 13px; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links { position: absolute; top: 74px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px 20px 24px; background: rgba(247,249,255,.98); border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 0; }
  .nav-links .button { margin-top: 10px; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .orbit { max-width: 520px; margin: auto; width: 100%; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px),var(--max)); }
  .hero { padding: 72px 0 58px; }
  .hero-actions .button { width: 100%; }
  .section { padding: 66px 0; }
  .section-head { display: block; }
  .section-head p { margin-top: 16px; }
  .grid-3, .grid-2, .process, .footer-grid { grid-template-columns: 1fr; }
  .cta { padding: 34px 26px; border-radius: 26px; }
  .page-hero { padding-top: 62px; }
  .info-table, .info-table tbody, .info-table tr, .info-table th, .info-table td { display: block; width: 100%; }
  .info-table th { padding-bottom: 6px; border-bottom: 0; }
  .info-table td { padding-top: 6px; }
  .footer-bottom { flex-direction: column; }
}
