:root {
  color-scheme: light;
  --bg: #f7f6f1;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #66635d;
  --line: #dfddd5;
  --accent: #7255ff;
  --accent-soft: #eeeaff;
  --green: #1f6b50;
  --green-soft: #e5f4ea;
  --shadow: 0 22px 60px rgba(23, 23, 23, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  height: 72px;
  margin: 0 auto;
  background: rgba(247, 246, 241, 0.88);
  border-bottom: 1px solid rgba(223, 221, 213, 0.75);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 18px;
  font-weight: 750;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  box-shadow: 0 10px 22px rgba(23, 23, 23, 0.12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  transition: color 160ms ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 640px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 92px;
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 72px 0 auto auto;
  width: 520px;
  height: 520px;
  content: "";
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(223, 221, 213, 0.68);
  border-radius: 26px;
  transform: rotate(4deg);
}

.hero-mark {
  position: absolute;
  top: 64px;
  right: 18px;
  width: 500px;
  height: 500px;
  border-radius: 30px;
  object-fit: cover;
  opacity: 0.94;
  box-shadow: var(--shadow);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 670px;
  padding-top: 18px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 13px;
  font-weight: 780;
  line-height: 1.2;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: 92px;
  font-weight: 820;
  line-height: 0.96;
}

.hero-lede {
  max-width: 640px;
  margin-bottom: 20px;
  font-size: 30px;
  font-weight: 730;
  line-height: 1.22;
}

.hero-text {
  max-width: 590px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.primary-action,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 720;
}

.primary-action {
  padding: 0 20px;
  background: var(--ink);
  color: var(--surface);
  box-shadow: 0 14px 30px rgba(23, 23, 23, 0.14);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.primary-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(23, 23, 23, 0.18);
}

.status-pill {
  padding: 0 16px;
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid rgba(31, 107, 80, 0.14);
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 32px;
  margin-bottom: 30px;
}

.section-heading h2,
.support-copy h2 {
  margin-bottom: 0;
  font-size: 36px;
  font-weight: 790;
  line-height: 1.15;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  min-height: 240px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(223, 221, 213, 0.9);
  border-radius: 8px;
}

.feature-kicker {
  width: 38px;
  height: 28px;
  margin-bottom: 34px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 780;
  line-height: 28px;
}

.feature h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 760;
  line-height: 1.25;
}

.feature p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.platform-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.platform-list {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.platform-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.platform-name {
  font-size: 21px;
  font-weight: 760;
}

.platform-status {
  color: var(--green);
  font-size: 14px;
  font-weight: 730;
}

.support-section {
  padding-bottom: 86px;
}

.support-copy {
  max-width: 760px;
}

.support-copy h2 {
  margin-bottom: 18px;
}

.support-copy p {
  color: var(--muted);
  font-size: 16px;
}

.support-copy a,
.site-footer a {
  color: var(--accent);
  font-weight: 720;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  min-height: 74px;
  margin: 0 auto;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 860px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(100% - 28px, 680px);
  }

  .site-header {
    height: 64px;
  }

  .nav-links {
    gap: 16px;
    font-size: 13px;
  }

  .hero {
    display: block;
    min-height: 600px;
    padding: 42px 0 70px;
  }

  .hero::before {
    top: auto;
    right: -20px;
    bottom: 34px;
    width: 280px;
    height: 280px;
    border-radius: 22px;
  }

  .hero-mark {
    top: auto;
    right: 0;
    bottom: 44px;
    width: 250px;
    height: 250px;
    border-radius: 22px;
    opacity: 0.28;
  }

  .hero-copy {
    max-width: 100%;
    padding-top: 0;
  }

  h1 {
    font-size: 64px;
  }

  .hero-lede {
    font-size: 24px;
  }

  .hero-text {
    max-width: 540px;
    font-size: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section-heading {
    display: block;
  }

  .section-heading .eyebrow {
    margin-bottom: 12px;
  }

  .section-heading h2,
  .support-copy h2 {
    font-size: 30px;
  }

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

  .feature {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: calc(100% - 24px);
  }

  .brand {
    font-size: 17px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .nav-links {
    gap: 12px;
  }

  .hero {
    min-height: 540px;
    padding-top: 34px;
  }

  .hero::before {
    top: auto;
    right: -30px;
    bottom: 22px;
    width: 210px;
    height: 210px;
  }

  .hero-mark {
    top: auto;
    right: -4px;
    bottom: 30px;
    width: 186px;
    height: 186px;
    border-radius: 18px;
  }

  h1 {
    font-size: 54px;
  }

  .hero-lede {
    font-size: 22px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    max-width: 250px;
  }

  .primary-action,
  .status-pill {
    justify-content: center;
    width: 100%;
  }

  .section-heading h2,
  .support-copy h2 {
    font-size: 27px;
  }

  .feature {
    padding: 20px;
  }

  .platform-item {
    min-height: 66px;
    padding: 0 18px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    padding: 18px 0;
  }
}