:root {
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --paper: #faf7f2;
  --card: #fff;
  --accent: #9a3412;
  --accent-soft: #fff7ed;
  --navy: #1e3a4c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

.top, main, footer {
  width: min(880px, calc(100% - 32px));
  margin-inline: auto;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  padding: 28px 0 12px;
}

.kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

h1 {
  margin: 4px 0 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.2;
  color: var(--navy);
}

.lang {
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}
.lang:hover { background: #163042; }

main { padding-bottom: 48px; }
section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
  margin-top: 16px;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  color: var(--navy);
}

.lead { margin-top: 0; font-size: 1.05rem; }

.notice {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 10px 14px;
  border-radius: 8px;
  margin: 16px 0;
}
.notice p { margin: 0; }

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  background: #fff;
}
.card:hover { border-color: var(--navy); }
.card.gold { background: #fffbeb; border-color: #fcd34d; }
.tag {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.links a, .textlink { color: #9a3412; }
.muted { color: var(--muted); }

.wechat {
  margin-top: 24px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.wechat h2 { margin-bottom: 8px; }
.wechat .muted { max-width: 36em; margin: 0 auto 16px; }
.wechat-qr {
  display: block;
  width: min(280px, 70vw);
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.benefits {
  margin: 0;
  padding-left: 1.2rem;
}
.benefits li { margin: 0 0 14px; }
.benefits strong { display: block; color: var(--navy); }
.benefits span { color: var(--ink); }

footer {
  padding: 8px 0 36px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 700px) {
  .top { align-items: flex-start; flex-direction: column; }
  .cards { grid-template-columns: 1fr; }
  section { padding: 18px 16px; }
}