*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1c1c1a;
  --text-muted: #5c5c58;
  --border: #e8e8e4;
  --accent: #2d4a3e;
  --accent-hover: #1f332b;
  --shadow: 0 1px 2px rgba(28, 28, 26, 0.04), 0 8px 24px rgba(28, 28, 26, 0.06);
  --radius: 16px;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

html[lang="zh-CN"] body {
  font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

.lang-switch {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-btn {
  margin: 0;
  padding: 0.2rem 0.15rem;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.15s ease;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn.is-active {
  color: var(--text);
  font-weight: 600;
}

.lang-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.lang-divider {
  color: var(--border);
  font-size: 0.8rem;
  user-select: none;
}

.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1.25rem;
}

.card {
  width: 100%;
  max-width: 480px;
  padding: 2.5rem 2rem 2rem;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.name {
  margin: 0 0 0.35rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.bio {
  margin: 0 0 2rem;
  font-size: 0.975rem;
  color: var(--text-muted);
  text-align: left;
  text-wrap: pretty;
}

/* Chinese body text: justify so it doesn’t look left-heavy in a centered card */
html[lang="zh-CN"] .bio {
  text-align: justify;
  text-justify: inter-ideograph;
  text-align-last: left;
  line-height: 1.85;
  letter-spacing: 0.02em;
  text-wrap: wrap;
}

html[lang="zh-CN"] .name {
  letter-spacing: 0.12em;
}

html[lang="zh-CN"] .tagline {
  letter-spacing: 0.08em;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

.footer {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer p {
  margin: 0;
}

@media (max-width: 480px) {
  .lang-switch {
    top: 1rem;
    right: 1rem;
  }

  .card {
    padding: 2rem 1.25rem 1.75rem;
  }

  .name {
    font-size: 1.5rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --surface: #1e1e1c;
    --text: #ededeb;
    --text-muted: #a3a39f;
    --border: #2e2e2b;
    --accent: #8fb9a8;
    --accent-hover: #a8cdbf;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.25);
  }

  .btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #141413;
  }
}