:root {
  --paper: #faf7f3;
  --panel: #fffdfa;
  --ink: #27303a;
  --muted: #6b7280;
  --line: #e6ddd1;
  --accent: #8a4f3d;
  --accent-soft: #f7eee5;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Avenir Next", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  background: radial-gradient(circle at top left, #fff6ec 0%, var(--paper) 52%);
  color: var(--ink);
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(860px, 92vw);
  margin: 40px auto 56px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 22px 26px;
}

.top {
  margin-bottom: 14px;
}

.top h1 {
  margin: 8px 0 0;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: 0.4px;
}

.badge {
  display: inline-block;
  background: var(--accent-soft);
  border: 1px solid #efd8c9;
  color: var(--accent);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
}

.meta {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.nav {
  margin: 10px 0 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.nav a {
  font-size: 13px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 7px 10px;
  border-radius: 999px;
}

.lang-switch {
  margin: -6px 0 14px;
  font-size: 13px;
  color: var(--muted);
}

h2 {
  margin: 24px 0 8px;
  font-size: 20px;
}

p {
  margin: 8px 0;
}

ul {
  margin: 8px 0;
  padding-left: 20px;
}

li {
  margin: 6px 0;
}

.faq {
  border-top: 1px dashed var(--line);
  margin-top: 10px;
  padding-top: 8px;
}

.footer {
  margin-top: 24px;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 640px) {
  .container {
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .card {
    border-radius: 12px;
    padding: 16px 14px 20px;
  }

  .top h1 {
    font-size: 25px;
  }
}