:root {
  --cream: #fffaf0;
  --cream-deep: #f6eddc;
  --sand: #eadfca;
  --olive: #65754b;
  --olive-dark: #39462d;
  --orange: #c9652f;
  --ink: #26231f;
  --muted: #6f665a;
  --white: #fffef9;
  --shadow: 0 18px 45px rgba(63, 55, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--cream);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--cream);
}

a {
  color: inherit;
  text-decoration-color: rgba(101, 117, 75, 0.45);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--olive-dark);
  text-decoration-color: currentColor;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--olive-dark);
  font-size: 1.06rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(57, 70, 45, 0.14);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

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

.site-nav a[aria-current="page"] {
  color: var(--olive-dark);
}

.hero {
  border-top: 1px solid rgba(101, 117, 75, 0.12);
  background: var(--cream);
}

.hero-inner {
  width: min(860px, calc(100% - 36px));
  margin: 0 auto;
  padding: 70px 0 64px;
  text-align: center;
}

.app-icon {
  display: block;
  margin: 0 auto 22px;
  border-radius: 32px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 10px;
  color: var(--olive-dark);
  font-size: clamp(3rem, 4.8rem, 4.8rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.slogan {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(1.28rem, 1.55rem, 1.55rem);
  font-weight: 750;
}

.intro {
  width: min(640px, 100%);
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
}

.primary-link {
  background: var(--olive);
  color: var(--white);
  box-shadow: 0 12px 25px rgba(57, 70, 45, 0.16);
}

.primary-link:hover {
  background: var(--olive-dark);
  color: var(--white);
}

.secondary-link {
  border: 1px solid rgba(101, 117, 75, 0.22);
  background: rgba(255, 254, 249, 0.7);
  color: var(--olive-dark);
}

.features {
  background: var(--cream-deep);
  border-top: 1px solid rgba(101, 117, 75, 0.12);
  border-bottom: 1px solid rgba(101, 117, 75, 0.12);
}

.section-inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 54px 0 62px;
}

.section-heading {
  max-width: 620px;
  margin-bottom: 26px;
}

.section-heading h2 {
  color: var(--olive-dark);
  font-size: clamp(1.85rem, 2.35rem, 2.35rem);
  line-height: 1.2;
}

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

.feature-card {
  min-height: 210px;
  padding: 24px;
  border: 1px solid rgba(101, 117, 75, 0.14);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(63, 55, 42, 0.08);
}

.feature-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: rgba(101, 117, 75, 0.13);
  color: var(--olive-dark);
  font-weight: 800;
}

.feature-card h3 {
  margin-bottom: 10px;
  color: var(--olive-dark);
  font-size: 1.18rem;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.page-main {
  border-top: 1px solid rgba(101, 117, 75, 0.12);
}

.text-page {
  width: min(760px, calc(100% - 36px));
  margin: 0 auto;
  padding: 70px 0 86px;
}

.text-page h1 {
  font-size: clamp(2.35rem, 3.35rem, 3.35rem);
}

.text-page h2 {
  margin: 34px 0 10px;
  color: var(--olive-dark);
  font-size: 1.25rem;
  line-height: 1.35;
}

.text-page p {
  color: var(--muted);
  font-size: 1.03rem;
}

.text-page strong {
  color: var(--olive-dark);
  font-weight: 800;
}

.text-page ul {
  margin: 10px 0 20px;
  padding-left: 1.25rem;
  color: var(--muted);
}

.text-page li {
  margin: 6px 0;
  padding-left: 0.2rem;
}

.text-page a {
  color: var(--olive-dark);
  font-weight: 750;
}

.updated {
  margin-bottom: 34px;
  color: var(--orange);
  font-weight: 700;
}

.email-link {
  overflow-wrap: anywhere;
  font-size: 1.15rem;
}

.policy-footer-note {
  margin: 44px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(101, 117, 75, 0.16);
  color: var(--orange);
  font-weight: 800;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 34px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero-inner {
    padding: 48px 0 50px;
  }

  .app-icon {
    width: 112px;
    height: 112px;
    border-radius: 25px;
  }

  h1 {
    font-size: 3rem;
  }

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

  .feature-card {
    min-height: 0;
  }

  .text-page {
    padding: 48px 0 64px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}