:root {
  --bg: #fff7ed;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --border: #eadfd0;
  --text: #4f4030;
  --muted: #817260;
  --accent: #de7b39;
  --accent-soft: #ffe2c4;
  --shadow: 0 20px 56px rgba(79, 64, 48, 0.11);
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(255, 226, 196, 0.95), rgba(255, 247, 237, 0) 34%),
    linear-gradient(180deg, #fffaf5 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.app-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 0.96rem;
}

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

.hero {
  padding: 58px 0 36px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  font-size: 1.42rem;
  line-height: 1.25;
}

h3 {
  font-size: 1.08rem;
}

.lead,
.card p,
.policy p,
.policy li,
.footer,
.meta {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.85;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 16px 34px rgba(222, 123, 57, 0.26);
}

.button.secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.policy {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.card {
  padding: 24px;
}

.policy {
  padding: 34px 30px;
}

.policy h2 {
  margin-top: 34px;
  margin-bottom: 12px;
}

.policy h2:first-child {
  margin-top: 0;
}

.policy h3 {
  margin-top: 22px;
}

.policy ul {
  padding-left: 20px;
}

.page-head {
  padding: 20px 0 28px;
}

.page-head h1 {
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.footer {
  margin-top: 38px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 820px) {
  .top-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .shell {
    padding: 22px 14px 56px;
  }

  .hero {
    padding: 34px 0 24px;
  }

  .policy,
  .card {
    padding: 22px;
  }
}