:root {
  --bg: #fdf9f3;
  --card: #ffffff;
  --text: #2f2a26;
  --muted: #7a7069;
  --accent: #c2603f;
  --accent-soft: #f6e3db;
  --line: #ece3d9;
  --radius: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* 顶部导航 */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(253, 249, 243, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav__logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
}

.nav__links {
  display: flex;
  gap: 22px;
  list-style: none;
  font-size: 14px;
}

.nav__links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav__links a:hover {
  color: var(--accent);
}

/* 首屏 */
.hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 88px 24px 72px;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  padding: 5px 14px;
  margin-bottom: 22px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
}

.hero__name {
  font-size: clamp(44px, 9vw, 76px);
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.2;
  background: linear-gradient(120deg, #c2603f, #8a5a3b 60%, #4a4038);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  margin-top: 20px;
  color: var(--muted);
  font-size: 16px;
}

.countdown {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 34px;
  padding: 12px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(122, 112, 105, 0.08);
  font-size: 14px;
  color: var(--muted);
}

.countdown__num {
  font-size: 26px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* 内容区 */
.section {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px;
}

.section__title {
  margin-bottom: 18px;
  font-size: 22px;
  letter-spacing: 0.06em;
}

.section__title::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  margin-top: 10px;
  background: var(--accent);
  border-radius: 3px;
}

.card {
  padding: 26px 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card p + p {
  margin-top: 14px;
}

.card p {
  color: #4a433d;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.card--mini {
  padding: 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card--mini:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(122, 112, 105, 0.12);
}

.card--mini h3 {
  margin-bottom: 8px;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.card--mini p {
  font-size: 15px;
  color: var(--muted);
}

/* 标签 */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  list-style: none;
}

.tags li {
  padding: 6px 14px;
  font-size: 14px;
  color: #6b5f56;
  background: #f7f1e9;
  border-radius: 999px;
}

/* 资料卡 */
.profile {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px 28px;
  margin-top: 16px;
  padding: 24px 26px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.profile > div {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
}

.profile dt {
  flex: none;
  width: 4em;
  color: var(--muted);
}

.profile dd {
  color: #4a433d;
}

/* 问答 */
.faq__q {
  margin-bottom: 6px;
  font-size: 16px;
  color: var(--accent);
}

.faq__q + p {
  margin-bottom: 18px;
  color: #4a433d;
}

/* 联系 */
.contact__mail {
  margin-top: 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  word-break: break-all;
}

.contact__note {
  margin-top: 6px !important;
  font-size: 13px;
  color: var(--muted);
}

.footer {
  padding: 34px 24px 44px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer__updated {
  margin-top: 6px;
  font-size: 12px;
}

@media (max-width: 600px) {
  .nav__links {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    padding: 60px 20px 48px;
  }

  .card {
    padding: 22px 20px;
  }
}