:root {
  --bg: #fcfcfa;
  --text: #1f1f1f;
  --muted: #6b6b6b;
  --line: #d8d8d8;
  --hover: #ececec;
  --maxw: 820px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.75;
}

header {
  width: 100%;
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}

.topbar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.topbar a {
  color: var(--text);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  transition: background-color 0.2s ease;
}

.topbar a:hover,
.topbar a[aria-current="page"] {
  background: var(--hover);
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 2.5rem;
}

.photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 1.25rem;
  background: #f2f2f2;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
}

.photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: normal;
}

.name {
  display: inline-grid;
  cursor: pointer;
  outline: none;
}

.name span {
  grid-area: 1 / 1;
  transition: opacity 0.3s ease;
}

.name .english {
  opacity: 1;
}

.name .chinese {
  opacity: 0;
}

.name:hover .english,
.name:focus-visible .english {
  opacity: 0;
}

.name:hover .chinese,
.name:focus-visible .chinese {
  opacity: 1;
}

.name:focus-visible {
  outline: 1px solid var(--text);
  outline-offset: 0.2rem;
}

.subtitle {
  margin-top: 0.45rem;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
}

.content {
  font-size: 1.08rem;
}

.content p {
  margin: 0 0 1.35rem 0;
}

.content a,
footer a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.page-header {
  margin-bottom: 2rem;
}

.placeholder {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
}

.post-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-list li {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.post-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.post-list a {
  color: var(--text);
  font-size: 1.15rem;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.post-list time,
.post-header time {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
  white-space: nowrap;
}

.post-header {
  margin-bottom: 2.5rem;
}

.post-header time {
  display: block;
  margin-top: 0.5rem;
}

.post-content {
  max-width: 46rem;
}

.carousel {
  margin-top: 2.75rem;
  outline: none;
}

.carousel:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 6px;
}

.carousel-viewport {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f2f2f2;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}

.carousel-slide {
  min-width: 100%;
  margin: 0;
}

.carousel-slide img {
  display: block;
  width: 100%;
  height: clamp(240px, 58vw, 500px);
  object-fit: contain;
}

.carousel-slide figcaption {
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--line);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  font-family: Arial, Helvetica, sans-serif;
}

.carousel-button {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 1.15rem;
  cursor: pointer;
}

.carousel-button:hover,
.carousel-button:focus-visible {
  background: var(--hover);
}

.carousel-status {
  min-width: 3rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.carousel-hint {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.8rem;
  text-align: center;
}

footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  border-top: 1px solid var(--line);
}

.footnote {
  padding-top: 1rem;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

@media (max-width: 640px) {
  main {
    padding-top: 2rem;
  }

  .topbar {
    gap: 0.4rem;
    flex-wrap: wrap;
  }

  .content {
    font-size: 1rem;
  }

  .post-list li {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .carousel-track {
    transition: none;
  }
}