:root {
  --color-bg: #f7f1e6;
  --color-bg-mint: #eef5fb;
  --color-surface: #fffdf8;
  --color-surface-soft: #f4f8fb;
  --color-surface-blue: #eaf3fa;
  --color-surface-warm: #fff4df;
  --color-text: #25313a;
  --color-muted: #566371;
  --color-border: #c8d3df;
  --color-line: var(--color-border);
  --color-primary: #245c8a;
  --color-primary-dark: #1f4e79;
  --color-primary-soft: #dbeaf7;
  --color-accent: #d88a22;
  --color-blue: #446fa6;
  --color-blue-soft: #eaf3fa;
  --color-sun: var(--color-accent);
  --color-sun-soft: #fff0c9;
  --color-rose-soft: #fce8e5;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 8px 22px rgba(32, 42, 51, 0.08);
  --shadow-md: 0 18px 42px rgba(32, 42, 51, 0.12);
  --focus-ring: 0 0 0 4px rgba(36, 92, 138, 0.2);
  --container: 920px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 246, 215, 0.72) 0, rgba(255, 246, 215, 0) 28%),
    radial-gradient(circle at 86% 18%, rgba(202, 226, 241, 0.68) 0, rgba(202, 226, 241, 0) 30%),
    radial-gradient(circle at 70% 90%, rgba(213, 239, 229, 0.76) 0, rgba(213, 239, 229, 0) 34%),
    linear-gradient(135deg, #e8f4ed 0%, #f5eedf 48%, #e7f1f7 100%),
    var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  font-size: 18px;
  line-height: 1.65;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  box-shadow: var(--focus-ring);
}

.skip-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 20;
  transform: translateY(-150%);
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  padding: 10px 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 32px;
}

.cover-slot[hidden] {
  display: none;
}

.cover-panel {
  margin: 0 0 18px;
  overflow: hidden;
  border: 1px solid rgba(61, 111, 147, 0.18);
  border-radius: var(--radius-lg);
  background: var(--color-surface-blue);
  box-shadow: var(--shadow-sm);
}

.cover-slot + .hero,
.hero + .cover-slot .cover-panel {
  margin-top: 18px;
}

.cover-panel img {
  width: 100%;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  border: 1px solid rgba(47, 117, 104, 0.18);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.98), rgba(238, 248, 244, 0.98));
  padding: 28px;
  box-shadow: var(--shadow-md);
}

.hero__mark {
  display: grid;
  width: 96px;
  height: 96px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(47, 117, 104, 0.12);
  border-radius: 24px;
  background: var(--color-primary-soft);
}

.hero__mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  padding: 16px;
}

.hero__mark img[src^="data:image/"] {
  padding: 0;
}

.hero__content {
  min-width: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin-bottom: 12px;
  border: 1px solid rgba(47, 117, 104, 0.22);
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  padding: 4px 12px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  font-size: 2.6rem;
  line-height: 1.15;
  letter-spacing: 0;
}

.hero__subtitle {
  margin: 10px 0 0;
  color: var(--color-primary-dark);
  font-size: 1.25rem;
  font-weight: 800;
}

.hero__description {
  max-width: 46rem;
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.section {
  margin-top: 26px;
}

.section__heading {
  margin-bottom: 12px;
  padding: 0 4px;
}

.section__heading--inside {
  padding: 0;
}

.section h2 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0;
}

.announcement-list,
.link-stack {
  display: grid;
  gap: 12px;
}

.announcement {
  border: 1px solid rgba(183, 121, 31, 0.18);
  border-left: 7px solid var(--color-sun);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #fffdf8, var(--color-sun-soft));
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  animation: cardIn 520ms ease both;
}

.announcement__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
  color: var(--color-muted);
  font-size: 0.98rem;
  font-weight: 700;
}

.announcement--pinned {
  border-left-color: #d79622;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.98), rgba(255, 242, 211, 0.94));
  box-shadow: 0 14px 30px rgba(121, 86, 31, 0.12);
}

.announcement__icon {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 999px;
  background: #fff8e7;
  color: var(--color-sun);
}

.announcement__icon svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.announcement__pin {
  border-radius: 999px;
  background: #fff8e7;
  color: var(--color-sun);
  padding: 3px 11px;
  box-shadow: inset 0 0 0 1px rgba(183, 121, 31, 0.14);
}

.announcement h3 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.35;
}

.announcement p {
  margin: 8px 0 0;
  color: var(--color-text);
}

.announcement__content {
  white-space: pre-line;
}

.announcement__content strong,
.announcement__content b {
  background: linear-gradient(transparent 55%, #fff0a8 55%);
  color: #183858;
  font-weight: 900;
  padding: 0 0.08em;
}

.empty-state {
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.76);
  padding: 22px;
  color: var(--color-muted);
  text-align: center;
}

.main-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 18px;
  border: 1px solid rgba(61, 111, 147, 0.16);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.main-link:nth-child(3n + 1) {
  background: linear-gradient(135deg, #fffdf8, #eef8f4);
}

.main-link:nth-child(3n + 2) {
  background: linear-gradient(135deg, #fffdf8, var(--color-blue-soft));
}

.main-link:nth-child(3n + 3) {
  background: linear-gradient(135deg, #fffdf8, var(--color-rose-soft));
}

.main-link:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 117, 104, 0.4);
  box-shadow: 0 16px 34px rgba(47, 117, 104, 0.14);
}

.main-link:active {
  transform: translateY(0) scale(0.985);
}

.main-link:focus-visible {
  outline: 3px solid rgba(47, 117, 104, 0.42);
  outline-offset: 4px;
  box-shadow:
    var(--focus-ring),
    0 16px 34px rgba(47, 117, 104, 0.14);
}

.main-link__content {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.main-link__title {
  color: var(--color-text);
  font-size: 1.2rem;
  font-weight: 900;
}

.main-link__description {
  color: var(--color-muted);
  font-size: 1rem;
}

.main-link__arrow {
  display: grid;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 1.35rem;
  font-weight: 900;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.main-link:nth-child(3n + 2) .main-link__arrow {
  background: var(--color-blue-soft);
  color: var(--color-blue);
}

.main-link:nth-child(3n + 3) .main-link__arrow {
  background: var(--color-sun-soft);
  color: var(--color-sun);
}

.main-link:hover .main-link__arrow {
  transform: translateX(2px);
  background: var(--color-primary);
  color: #ffffff;
}

.main-link:active .main-link__arrow {
  transform: translateX(4px) scale(0.96);
}

.section--split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 16px;
}

.info-panel {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.9);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.info-panel:nth-child(2) {
  background: var(--color-surface-blue);
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.contact-row {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

.contact-row:first-child {
  border-top: 0;
}

.contact-row dt {
  color: var(--color-muted);
  font-weight: 800;
}

.contact-row dd {
  margin: 0;
  word-break: break-word;
}

.share-url {
  overflow-wrap: anywhere;
  margin: 0 0 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.72);
  padding: 12px;
  color: var(--color-primary-dark);
  font-weight: 800;
}

.button {
  min-height: 52px;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.button--primary {
  background: var(--color-primary);
  color: #ffffff;
}

.button--primary:hover {
  background: var(--color-primary-dark);
}

.copy-status {
  min-height: 1.5em;
  margin: 10px 0 0;
  color: var(--color-primary-dark);
  font-weight: 800;
}

.footer {
  margin: 34px auto 0;
  color: var(--color-muted);
  font-size: 0.98rem;
  text-align: center;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }

  .announcement {
    animation: none;
  }

  .main-link:hover,
  .main-link:active,
  .main-link:hover .main-link__arrow,
  .main-link:active .main-link__arrow {
    transform: none;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 17px;
  }

  .page-shell {
    width: min(100% - 24px, var(--container));
    padding-top: 24px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 22px;
  }

  .hero__mark {
    width: 82px;
    height: 82px;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .section--split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 20px, var(--container));
  }

  .hero,
  .cover-panel {
    border-radius: 16px;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .main-link {
    min-height: 88px;
    padding: 16px;
  }

  .main-link__arrow {
    width: 38px;
    height: 38px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}