:root {
  color: #26332f;
  background: #f5f1e8;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 14% 14%, rgba(224, 199, 180, .52), transparent 32%),
    radial-gradient(circle at 86% 78%, rgba(177, 208, 197, .5), transparent 34%),
    linear-gradient(145deg, #faf7f0, #edf4f0);
}

.page-shell {
  min-height: calc(100vh - 76px);
  display: grid;
  place-items: center;
  padding: 56px 24px 32px;
}

.hero {
  width: min(680px, 100%);
  padding: clamp(44px, 8vw, 76px);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 42px;
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 28px 80px rgba(59, 83, 75, .14);
  text-align: center;
  backdrop-filter: blur(18px);
}

.brand-mark {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  margin: 0 auto 28px;
  border-radius: 22px;
  background: #416a60;
  color: white;
  box-shadow: 0 12px 28px rgba(65, 106, 96, .25);
  font-family: serif;
  font-size: 30px;
}

.eyebrow {
  margin: 0;
  color: #8b9f98;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .24em;
}

h1 {
  margin: 14px 0 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(42px, 9vw, 66px);
  font-weight: 500;
  letter-spacing: .14em;
}

.subtitle {
  margin: 18px 0 0;
  color: #6b7c76;
  font-size: 14px;
  letter-spacing: .18em;
}

.divider {
  width: 54px;
  height: 1px;
  margin: 32px auto;
  background: #b4c4be;
}

.description,
.notice {
  max-width: 520px;
  margin: 0 auto;
  color: #566760;
  font-size: 15px;
  line-height: 2;
}

.notice {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid #e1e8e4;
  color: #7d8b86;
  font-size: 13px;
}

.site-footer {
  min-height: 76px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 20px;
  padding: 18px 24px 24px;
  color: #7c8984;
  font-size: 12px;
  text-align: center;
}

.site-footer a {
  color: #62756e;
  text-decoration: none;
}

.site-footer a:hover { text-decoration: underline; }

@media (max-width: 520px) {
  .page-shell { padding: 28px 16px 18px; }
  .hero { border-radius: 30px; }
  h1 { letter-spacing: .1em; }
}