:root {
  color-scheme: light;
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: #141414;
  background: #f4f6f8;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  line-height: 1.7;
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #d9dee5;
  background: rgba(255, 255, 255, 0.96);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 138px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  color: #3f4650;
}

.nav-links a {
  text-decoration: none;
}

.hero {
  background: #101318;
  color: #fff;
  min-height: 560px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-inner {
  padding: 86px 0 78px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  align-items: center;
  gap: 64px;
}

.hero-inner > * {
  min-width: 0;
}

.hero h1 {
  margin: 0;
  max-width: 700px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero p {
  max-width: 680px;
  margin: 28px 0 0;
  color: #cbd2db;
  font-size: 19px;
}

.status {
  margin-top: 34px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid #4f5967;
  border-radius: 4px;
  color: #e5e9ee;
  font-size: 14px;
}

.status::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #4fd18b;
  box-shadow: 0 0 0 4px rgba(79, 209, 139, 0.16);
}

.hero-visual {
  min-height: 340px;
  padding: 38px;
  display: grid;
  align-content: space-between;
  border: 1px solid #424a55;
  border-radius: 6px;
  background: #191e25;
}

.hero-visual img {
  display: block;
  width: min(100%, 320px);
  height: auto;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.visual-grid span {
  position: relative;
  aspect-ratio: 1.35;
  border: 1px solid #596270;
  border-radius: 4px;
  background: #232a33;
}

.visual-grid span::before,
.visual-grid span::after {
  position: absolute;
  left: 14px;
  content: "";
}

.visual-grid span::before {
  top: 14px;
  width: 42%;
  height: 4px;
  background: #303844;
}

.visual-grid span::after {
  bottom: 14px;
  width: 64%;
  height: 6px;
  background: #4f86ff;
}

.band {
  padding: 76px 0;
  background: #fff;
}

.band.alt {
  background: #eef1f4;
}

.section-kicker {
  margin: 0 0 12px;
  color: #2a5fd7;
  font-size: 13px;
  font-weight: 700;
}

h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: #4c5561;
}

.capabilities {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.capability {
  min-height: 190px;
  padding: 26px;
  border: 1px solid #d5dae1;
  border-top: 4px solid #2a5fd7;
  border-radius: 6px;
  background: #fff;
}

.capability:nth-child(2) {
  border-top-color: #e94852;
}

.capability:nth-child(3) {
  border-top-color: #31a36b;
}

.capability h3 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0;
}

.capability p {
  margin: 12px 0 0;
  color: #59626e;
  font-size: 15px;
}

.notice {
  margin-top: 36px;
  padding: 22px 24px;
  border-left: 4px solid #e94852;
  background: #fff;
  color: #444c56;
}

.page-main {
  min-height: calc(100vh - 206px);
  padding: 70px 0 90px;
  background: #fff;
}

.page-main article {
  max-width: 820px;
}

.page-main h1 {
  margin: 0 0 28px;
  font-size: 40px;
  line-height: 1.2;
  letter-spacing: 0;
}

.page-main h2 {
  margin-top: 34px;
  font-size: 23px;
}

.page-main p,
.page-main li {
  color: #48515c;
}

.page-main ul {
  padding-left: 22px;
}

.back {
  display: inline-flex;
  margin-bottom: 28px;
  color: #2a5fd7;
  text-decoration: none;
}

.footer {
  padding: 30px 0;
  border-top: 1px solid #d9dee5;
  background: #101318;
  color: #c4cbd4;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 28px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer a {
  color: #e7ebf0;
  text-decoration: none;
}

@media (max-width: 760px) {
  .shell {
    width: calc(100% - 28px);
    max-width: 1120px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    gap: 18px;
    overflow-x: auto;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 58px 0;
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p {
    font-size: 17px;
  }

  .hero-visual {
    min-height: 270px;
    padding: 28px;
  }

  .band {
    padding: 58px 0;
  }

  .capabilities {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}