:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #667085;
  --line: rgba(17, 24, 39, 0.1);
  --paper: #f7f8fb;
  --white: #ffffff;
  --violet: #6d45f5;
  --blue: #1788f2;
  --green: #1fa66a;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(109, 69, 245, 0.09), transparent 30rem),
    radial-gradient(circle at 90% 22%, rgba(23, 136, 242, 0.08), transparent 28rem),
    var(--paper);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(57, 40, 142, 0.22);
}

nav {
  display: flex;
  gap: 30px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--ink);
}

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  align-items: center;
  gap: 80px;
  padding: 78px 0 92px;
}

.eyebrow,
.product-type {
  margin: 0 0 16px;
  color: var(--violet);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h1 {
  max-width: 750px;
  margin: 0;
  font-size: clamp(48px, 6.6vw, 82px);
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.hero-description {
  max-width: 640px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 38px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 14px 30px rgba(17, 24, 39, 0.16);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.hero-visual {
  position: relative;
  min-height: 440px;
  display: grid;
  place-items: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8e46f8, #148ff4);
  filter: blur(4px);
  box-shadow: 0 45px 80px rgba(80, 72, 221, 0.25);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(109, 69, 245, 0.22);
  border-radius: 50%;
}

.orbit-one {
  width: 410px;
  height: 410px;
}

.orbit-two {
  width: 500px;
  height: 500px;
  border-style: dashed;
}

.app-card {
  z-index: 1;
  width: 275px;
  min-height: 270px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 34px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(18px);
}

.app-card img {
  margin-bottom: 24px;
  border-radius: 28px;
  box-shadow: 0 18px 34px rgba(33, 17, 91, 0.28);
}

.app-card span {
  font-size: 13px;
  opacity: 0.76;
}

.app-card strong {
  margin-top: 7px;
  font-size: 18px;
}

.section {
  padding: 100px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 42px;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.045em;
}

.section-heading > p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

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

.product-card {
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 46px rgba(15, 23, 42, 0.05);
}

.product-card-featured {
  border-color: rgba(109, 69, 245, 0.2);
  background:
    linear-gradient(145deg, rgba(109, 69, 245, 0.08), rgba(23, 136, 242, 0.04)),
    var(--white);
}

.product-card-quiet {
  background: rgba(255, 255, 255, 0.46);
}

.product-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: var(--white);
  background: linear-gradient(135deg, var(--violet), var(--blue));
  font-weight: 800;
}

.product-mark-green {
  background: var(--green);
}

.product-mark-gray {
  color: var(--muted);
  background: #e9ecf1;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #6c42dd;
  background: rgba(109, 69, 245, 0.09);
  font-size: 12px;
  font-weight: 700;
}

.status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status-neutral {
  color: #4d667b;
  background: #edf2f6;
}

.product-card h3 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.035em;
}

.product-card p:not(.product-type) {
  min-height: 76px;
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.card-link {
  display: flex;
  justify-content: space-between;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.card-link-muted {
  color: #98a2b3;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.info-panel {
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.55);
}

.info-panel h2 {
  font-size: 32px;
}

.info-panel p:last-child {
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

footer {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
}

footer strong {
  font-size: 17px;
}

footer p,
.footer-meta {
  color: var(--muted);
  font-size: 13px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: end;
  gap: 7px;
}

.footer-meta a {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, currentColor 48%, transparent);
  text-underline-offset: 3px;
}

.footer-meta a:hover {
  color: var(--ink);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 62px;
  }

  .hero-visual {
    min-height: 500px;
  }

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

  .product-card {
    min-height: 310px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 72px;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 64px 0 72px;
  }

  h1 {
    font-size: clamp(44px, 13vw, 60px);
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-visual {
    min-height: 390px;
  }

  .hero-visual::before {
    width: 250px;
    height: 250px;
  }

  .orbit-one {
    width: 315px;
    height: 315px;
  }

  .orbit-two {
    display: none;
  }

  .app-card {
    width: 230px;
    min-height: 235px;
  }

  .app-card img {
    width: 92px;
    height: 92px;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading,
  footer {
    align-items: start;
    flex-direction: column;
  }

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

  .info-panel {
    padding: 30px;
  }

  footer {
    justify-content: center;
    padding: 44px 0;
  }

  .footer-meta {
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}