:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #5c5c5c;
  --border: #e5e5e5;
  --accent: #0a0a0a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
}

.logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.search-wrap {
  flex: 1;
  min-width: 160px;
  max-width: 420px;
}

.search-wrap input {
  width: 100%;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--fg);
  border-radius: 4px;
  font: inherit;
  background: var(--bg);
  color: var(--fg);
}

.search-wrap input::placeholder {
  color: var(--muted);
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
  font-size: 0.95rem;
}

.btn-primary {
  padding: 0.45rem 1rem;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  opacity: 0.92;
  text-decoration: none;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.media-stage {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fafafa;
  aspect-ratio: 16 / 9;
  max-height: 62vh;
}

.media-stage iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  min-height: 280px;
}

.two-col {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 720px) {
  .two-col {
    grid-template-columns: 1fr;
  }

  .topbar-nav {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }
}

.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  background: var(--bg);
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
}

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

.hot-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.hot-list li:last-child {
  border-bottom: none;
}

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

.news-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.news-list li:last-child {
  border-bottom: none;
}

.news-list time {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.news-page {
  max-width: 980px;
}

.news-page-title {
  margin: 0 0 1.25rem;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.news-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.news-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  align-items: start;
}

.news-card-link {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  align-items: start;
  text-decoration: none;
}

.news-card-image {
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 6px;
  overflow: hidden;
  background: #f4f4f4;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.news-card-body h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.news-card-body p {
  margin: 0;
  color: #222;
}

.page-message {
  color: var(--muted);
}

.admin-page {
  max-width: 980px;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.admin-form {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.admin-form label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.admin-form input,
.admin-form textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  margin-bottom: 0.85rem;
}

.admin-form textarea {
  min-height: 150px;
  resize: vertical;
}

.admin-actions {
  display: flex;
  gap: 0.6rem;
}

.btn-secondary {
  padding: 0.45rem 1rem;
  background: #fff;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
  cursor: pointer;
}

.admin-list {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

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

.admin-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
}

.admin-list li:last-child {
  border-bottom: 0;
}

.admin-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.admin-item-actions {
  display: flex;
  gap: 0.4rem;
}

.btn-danger {
  border-color: #bf1d1d;
  color: #bf1d1d;
}

.news-detail {
  max-width: 900px;
}

.news-detail-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: block;
  margin-bottom: 1rem;
}

.news-detail-title {
  margin: 0 0 0.9rem;
  font-size: 1.8rem;
}

.news-detail-content {
  margin: 0;
  white-space: pre-wrap;
}

@media (max-width: 720px) {
  .news-card {
    grid-template-columns: 1fr;
  }

  .news-card-link {
    grid-template-columns: 1fr;
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }
}