:root {
  --bg-top: #f6fff9;
  --bg-bottom: #eef7ff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --line: rgba(20, 40, 34, 0.08);
  --text: #17342b;
  --muted: #557066;
  --accent: #32c79a;
  --accent-deep: #139a76;
  --shadow: 0 24px 60px rgba(24, 61, 48, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(50, 199, 154, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(96, 165, 250, 0.14), transparent 26%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
}

a {
  color: var(--accent-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(18px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.top-nav > a {
  font-weight: 800;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.nav-links a[aria-current="page"] {
  font-weight: 800;
}

.lang-switch {
  display: inline-flex;
  padding: 4px;
  border: 1px solid rgba(19, 154, 118, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
}

.lang-button {
  min-width: 58px;
  min-height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.lang-button.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 10px 24px rgba(19, 154, 118, 0.2);
}

[data-lang] {
  display: none !important;
}

html[data-current-lang="zh"] [data-lang="zh"],
html[data-current-lang="en"] [data-lang="en"] {
  display: block !important;
}

html[data-current-lang="zh"] a[data-lang="zh"],
html[data-current-lang="en"] a[data-lang="en"] {
  display: inline-flex !important;
}

html[data-current-lang="zh"] span[data-lang="zh"],
html[data-current-lang="en"] span[data-lang="en"] {
  display: inline-flex !important;
}

.hero-card,
.info-card,
.policy-card,
.bilingual-card {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 36px;
  border-radius: var(--radius-xl);
  margin-bottom: 24px;
}

.hero-card.compact {
  padding: 28px 32px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(32px, 5vw, 54px);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: -0.03em;
}

.lead {
  margin: 14px 0 0;
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.primary-link {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
}

.secondary-link {
  border: 1px solid rgba(19, 154, 118, 0.22);
  background: rgba(255, 255, 255, 0.8);
}

.grid,
.policy-grid {
  display: grid;
  gap: 18px;
}

.grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 24px;
}

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

.info-card,
.policy-card,
.bilingual-card {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.info-card h2,
.policy-card h2,
.bilingual-card h2 {
  margin-bottom: 12px;
}

.info-card p,
.policy-card p,
.bilingual-card p {
  margin: 0 0 10px;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(50, 199, 154, 0.12);
  color: var(--accent-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.full-width {
  margin-top: 18px;
  background: var(--surface-strong);
}

@media (max-width: 860px) {
  .grid,
  .policy-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .hero-card.compact,
  .info-card,
  .policy-card,
  .bilingual-card {
    padding: 22px;
  }
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 20px;
  }

  .top-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-actions {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 34px;
  }

  .lead {
    font-size: 16px;
  }
}