* { box-sizing: border-box; }
body {
  margin: 0;
  color: #172033;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f8fc;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
.police-filing { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.police-filing img { display: block; width: 16px; height: 16px; }
.topbar {
  min-height: 72px;
  padding: 0 7vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #fff;
  border-bottom: 1px solid #e8edf5;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #0d3b66;
  white-space: nowrap;
}
.brand img { width: 116px; height: auto; display: block; }
.brand .brand-text {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  color: #10243d;
  font-size: 18px;
  letter-spacing: 0;
}
nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 15px; }
nav a { color: #43516a; }
nav a:hover { color: #0d63ce; }
nav a[aria-current="page"] { color: #0d63ce; font-weight: 600; }
.button, .primary, .secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 600;
}
.button, .primary { background: #0d63ce; color: #fff; }
.button:hover, .primary:hover { background: #0a55b3; color: #fff; }
.secondary { border: 1px solid #c6d3e3; color: #18324a; background: #fff; }
.secondary:hover { border-color: #0d63ce; color: #0d63ce; }
.hero {
  min-height: 560px;
  padding: 76px 7vw 70px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: 48px;
  align-items: center;
  background:
    radial-gradient(circle at 18% 20%, rgba(18, 130, 255, .38), transparent 32%),
    radial-gradient(circle at 82% 14%, rgba(24, 196, 181, .24), transparent 30%),
    linear-gradient(135deg, #081528 0%, #0b2543 48%, #0a1729 100%);
  color: #fff;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(90deg, rgba(0,0,0,.72), rgba(0,0,0,.28));
}
.hero-copy, .hero-visual { position: relative; z-index: 1; }
.hero-copy { max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: #89d7ff; font-weight: 700; }
h1 { margin: 0 0 18px; font-size: 48px; line-height: 1.12; letter-spacing: 0; }
.lead { margin: 0; max-width: 680px; font-size: 18px; color: #dceeff; }
.actions { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero .secondary {
  background: rgba(255,255,255,.08);
  border-color: rgba(184, 221, 255, .42);
  color: #eef8ff;
}
.hero .secondary:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(184, 221, 255, .68);
  color: #fff;
}
.hero-metrics {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.hero-metrics span {
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid rgba(151, 204, 255, .26);
  border-radius: 6px;
  background: rgba(6, 19, 35, .42);
  color: #bdd5ec;
  font-size: 13px;
}
.hero-metrics strong {
  display: block;
  color: #fff;
  font-size: 16px;
  line-height: 1.2;
}
.hero-visual {
  min-height: 410px;
  display: grid;
  align-items: center;
}
.gateway-panel {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(137, 215, 255, .28);
  border-radius: 8px;
  background: rgba(7, 18, 33, .78);
  box-shadow: 0 26px 80px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
}
.panel-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(150, 206, 255, .18);
}
.panel-top span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #28d6b5;
}
.panel-top span:nth-child(2) { background: #4ba3ff; }
.panel-top span:nth-child(3) { background: #ffd166; }
.panel-top b {
  margin-left: auto;
  color: #a9c9e8;
  font-size: 13px;
  letter-spacing: 0;
}
.flow-row {
  display: grid;
  grid-template-columns: 1fr 56px 1fr 56px 1fr;
  gap: 10px;
  align-items: center;
  margin: 24px 0;
}
.flow-row i {
  display: grid;
  place-items: center;
  min-height: 54px;
  border: 1px solid rgba(107, 185, 255, .34);
  border-radius: 7px;
  background: rgba(16, 45, 76, .72);
  color: #eff8ff;
  font-style: normal;
  font-weight: 700;
}
.flow-row em {
  height: 2px;
  background: linear-gradient(90deg, transparent, #43d7ff, transparent);
  position: relative;
}
.flow-row em::after {
  content: "";
  position: absolute;
  right: 4px;
  top: -4px;
  width: 10px;
  height: 10px;
  border-top: 2px solid #43d7ff;
  border-right: 2px solid #43d7ff;
  transform: rotate(45deg);
}
.model-chips {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.model-chips span {
  min-height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(113, 190, 255, .24);
  border-radius: 6px;
  background: rgba(10, 32, 58, .68);
  color: #cce8ff;
  font-size: 13px;
}
.code-window {
  margin-top: 18px;
  padding: 16px;
  border-radius: 7px;
  background: #06111f;
  color: #d7e8f8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}
.code-window p { margin: 4px 0; }
.code-window b { color: #47d7ff; }
.code-window span { color: #6fe3c4; }
.signal-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 7px;
  margin-top: 18px;
}
.signal-grid span {
  height: 5px;
  border-radius: 999px;
  background: rgba(85, 164, 244, .26);
}
.signal-grid span:nth-child(2n),
.signal-grid span:nth-child(5) {
  background: #29d8b6;
}
.grid {
  padding: 42px 7vw 64px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.download-section {
  padding: 58px 7vw 62px;
  background: #fff;
  border-bottom: 1px solid #e4eaf2;
}
.download-intro {
  max-width: 820px;
  margin-bottom: 30px;
}
.section-kicker {
  margin: 0 0 8px;
  color: #0d63ce;
  font-size: 14px;
  font-weight: 700;
}
.download-intro h1,
.download-intro h2 {
  margin: 0 0 12px;
  color: #12233a;
  font-size: 32px;
  line-height: 1.25;
}
.download-intro > p:last-child {
  margin: 0;
  color: #4a5870;
  font-size: 17px;
}
.download-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 980px;
}
.download-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
}
.download-card-heading {
  display: flex;
  align-items: center;
  gap: 16px;
}
.platform-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  flex: 0 0 54px;
  border-radius: 8px;
  background: #172033;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}
.platform-mark.windows { background: #0d63ce; }
.download-card h3 {
  margin: 0;
  color: #12233a;
  font-size: 22px;
}
.download-card-heading p {
  margin: 2px 0 0;
  color: #607087;
}
.download-card ul {
  margin: 22px 0 24px;
  padding-left: 20px;
  color: #4a5870;
}
.download-button {
  align-self: flex-start;
  margin-top: auto;
}
.download-note {
  margin: 18px 0 0;
  color: #6b7890;
  font-size: 14px;
}
article, .page {
  background: #fff;
  border: 1px solid #e4eaf2;
  border-radius: 8px;
  padding: 26px;
  box-shadow: 0 12px 30px rgba(19, 42, 74, .06);
}
article h2, .page h2 { margin: 0 0 10px; font-size: 22px; color: #12233a; }
article p, .page p, .page li { color: #4a5870; }
.page {
  max-width: 960px;
  margin: 38px auto 56px;
  padding: 36px;
}
.page.wide { max-width: 1120px; }
.page h1 { color: #12233a; font-size: 34px; }
.model-section { margin-top: 28px; }
.model-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}
.model-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid #d7e2ef;
  border-radius: 6px;
  background: #f8fbff;
  color: #264057;
  font-size: 14px;
}
.note { margin-top: 28px; font-size: 14px; color: #6b7890; }
pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 8px;
  background: #10243d;
  color: #e8f3ff;
  line-height: 1.6;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
footer {
  padding: 26px 7vw;
  color: #607087;
  background: #fff;
  border-top: 1px solid #e8edf5;
  font-size: 14px;
}
footer p { margin: 4px 0; }
@media (max-width: 760px) {
  .topbar { align-items: flex-start; flex-direction: column; padding: 18px 5vw; }
  nav { gap: 12px; }
  .hero { grid-template-columns: 1fr; padding: 56px 5vw; gap: 32px; }
  h1 { font-size: 32px; }
  .hero-visual { min-height: auto; }
  .flow-row { grid-template-columns: 1fr; }
  .flow-row em { height: 22px; width: 2px; justify-self: center; }
  .flow-row em::after { right: -4px; top: 8px; transform: rotate(135deg); }
  .model-chips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-section { padding: 42px 5vw 46px; }
  .download-intro h1, .download-intro h2 { font-size: 28px; }
  .download-options { grid-template-columns: 1fr; }
  .download-card { min-height: 280px; }
  .grid { grid-template-columns: 1fr; padding: 28px 5vw 48px; }
  .page { margin: 24px 5vw 42px; padding: 24px; }
}