:root {
  --color-bg: #ffffff;
  --color-ink: #181614;
  --color-muted: #6f6860;
  --color-rule: #e8e2d9;
  --color-brand: #7a1542;
  --font-serif-en: "Didot", "Bodoni MT", "Baskerville", "Times New Roman", serif;
  --font-serif-cn: "Songti SC", "STSong", "SimSun", serif;
  --max-content: 880px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-serif-cn);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--color-bg);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--color-brand);
}

.site-shell {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100vh;
  min-height: 100svh;
}

.landing {
  display: grid;
  align-items: center;
  width: 100%;
  min-height: 0;
  padding: clamp(72px, 11vh, 120px) 24px clamp(52px, 8vh, 84px);
}

.brand-panel {
  width: min(100%, var(--max-content));
  margin: 0 auto;
  text-align: center;
}

.brand-logo {
  width: min(68vw, 500px);
  margin: 0 auto;
}

.brand-identity {
  margin-top: clamp(28px, 4vh, 42px);
}

.brand-name-cn,
.brand-name-en {
  margin: 0;
}

.brand-name-cn {
  color: var(--color-brand);
  font-family: var(--font-serif-cn);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.45;
}

.brand-name-en {
  margin-top: 6px;
  color: var(--color-brand);
  font-family: var(--font-serif-en);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.5;
}

h1 {
  margin: clamp(42px, 7vh, 64px) 0 0;
  color: var(--color-muted);
  font-family: var(--font-serif-en);
  font-size: 38px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.15;
}

.intro {
  margin: 0;
}

.intro-cn {
  margin-top: clamp(28px, 4vh, 40px);
  color: var(--color-ink);
  font-family: var(--font-serif-cn);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.95;
}

.intro-en {
  margin-top: clamp(18px, 3vh, 28px);
  color: var(--color-muted);
  font-family: var(--font-serif-en);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.8;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 20px;
  width: 100%;
  padding: 12px 24px 13px;
  border-top: 1px solid var(--color-rule);
  color: var(--color-muted);
  font-family: var(--font-serif-cn);
  font-size: 12px;
  line-height: 1.6;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
}

@media (max-width: 640px) {
  .landing {
    padding: 56px 20px 42px;
  }

  .brand-logo {
    width: min(86vw, 360px);
  }

  .brand-identity {
    margin-top: 28px;
  }

  .brand-name-cn {
    font-size: 20px;
  }

  .brand-name-en {
    font-size: 14px;
  }

  h1 {
    margin-top: 38px;
    font-size: 32px;
  }

  .intro-cn {
    font-size: 17px;
    line-height: 1.8;
  }

  .intro-en {
    font-size: 13px;
  }

  .site-footer {
    flex-direction: column;
    gap: 2px;
    padding: 14px 18px 18px;
  }
}

@media (max-height: 760px) and (min-width: 641px) {
  .landing {
    align-items: start;
    padding: 44px 24px 32px;
  }

  .brand-logo {
    width: min(60vw, 460px);
  }

  .brand-identity {
    margin-top: 24px;
  }

  h1 {
    margin-top: 32px;
    font-size: 34px;
  }

  .intro-cn {
    margin-top: 24px;
    font-size: 18px;
    line-height: 1.8;
  }

  .intro-en {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.6;
  }

  .site-footer {
    padding: 8px 24px 9px;
  }
}