/*
 * 首发期公开静态页公共样式。
 * 供隐私政策页与支持页共用，保持最小、稳定、易读。
 */

:root {
  --bg: #f7f1e8;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #fffaf2;
  --text: #2f241b;
  --text-muted: #66574a;
  --accent: #cf6f2f;
  --border: rgba(108, 83, 60, 0.14);
  --shadow: 0 18px 40px rgba(71, 46, 27, 0.08);
  --max-width: 920px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "PingFang TC", "Noto Sans CJK SC", "Noto Sans CJK TC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 233, 208, 0.92), transparent 34%),
    linear-gradient(180deg, #fbf5ec 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: var(--accent);
}

.page {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero,
.card,
.language-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 32px;
  margin-bottom: 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(207, 111, 47, 0.12);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.15;
}

.hero p {
  margin: 0;
  color: var(--text-muted);
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 20px;
}

.two-up {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card,
.language-card {
  padding: 28px;
}

.card h2,
.language-card h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 24px;
}

.card h3,
.language-card h3 {
  margin: 28px 0 10px;
  font-size: 18px;
}

.card p,
.card li,
.language-card p,
.language-card li {
  color: var(--text-muted);
}

.card ul,
.language-card ul {
  margin: 0;
  padding-left: 20px;
}

.language-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 12px;
}

.language-header span {
  color: var(--text-muted);
  font-size: 14px;
}

.footer {
  margin-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  .page {
    width: min(calc(100% - 20px), var(--max-width));
    padding: 28px 0 40px;
  }

  .hero,
  .card,
  .language-card {
    border-radius: 20px;
  }

  .hero,
  .card,
  .language-card {
    padding: 22px;
  }

  .language-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}