:root {
  color-scheme: light;
  --paper: #f2f0ea;
  --paper-rgb: 242, 240, 234;
  --graphite: #30312f;
  --muted: #696a66;
  --faint: #8b8c87;
  --line: #c8c5bc;
  --accent: #9e4d43;
  --focus-ring: #23688a;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #202220;
  --paper-rgb: 32, 34, 32;
  --graphite: #f0eee8;
  --muted: #b5b3ac;
  --faint: #92918b;
  --line: #494b47;
  --accent: #d08b7f;
  --focus-ring: #9bc9dd;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --paper: #202220;
    --paper-rgb: 32, 34, 32;
    --graphite: #f0eee8;
    --muted: #b5b3ac;
    --faint: #92918b;
    --line: #494b47;
    --accent: #d08b7f;
    --focus-ring: #9bc9dd;
  }
}

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

html {
  min-width: 320px;
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--graphite);
  background-color: var(--paper);
  background-image:
    linear-gradient(
      90deg,
      rgba(var(--paper-rgb), 0.98) 0%,
      rgba(var(--paper-rgb), 0.95) 48%,
      rgba(var(--paper-rgb), 0.80) 74%,
      rgba(var(--paper-rgb), 0.56) 100%
    ),
    url("../../建置中images/316988701_1965999710272014_2259159735946604324_n.jpg");
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: var(--paper);
  background: var(--graphite);
}

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

.skip-link {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 10;
  padding: 0.7rem 1rem;
  color: var(--paper);
  background: var(--graphite);
  text-decoration: none;
  transform: translateY(-120%);
}

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

.site-shell {
  width: min(100% - 48px, 960px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  border-bottom: 1px solid var(--line);
}

.site-name {
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.theme-toggle {
  display: grid;
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  place-items: center;
  color: var(--graphite);
  background: rgba(var(--paper-rgb), 0.42);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.theme-toggle:hover {
  color: var(--accent);
  background: rgba(var(--paper-rgb), 0.72);
  border-color: var(--accent);
}

.theme-icon {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  line-height: 1;
}

.maintenance-main {
  display: grid;
  align-items: center;
  min-height: calc(100svh - 176px);
  padding-block: clamp(4rem, 10vw, 7rem);
}

.intro {
  max-width: 780px;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.status span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: currentColor;
}

h1 {
  margin: 0 0 1.6rem;
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  font-size: clamp(2.75rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 35rem;
  margin: 0 0 0.75rem;
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
}

.note {
  max-width: 35rem;
  margin: 0;
  color: var(--muted);
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(3rem, 7vw, 4.5rem);
  border-top: 1px solid var(--line);
}

.quick-links a {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 0.85rem;
  align-items: center;
  min-height: 92px;
  padding: 1rem 1.25rem 1rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: color 180ms ease, padding 180ms ease;
}

.quick-links a:nth-child(odd) {
  margin-right: 1.75rem;
}

.quick-links a:hover {
  padding-left: 0.35rem;
  color: var(--accent);
}

.link-index {
  color: var(--faint);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.quick-links strong,
.quick-links small {
  display: block;
}

.quick-links strong {
  margin-bottom: 0.15rem;
  font-size: 1rem;
  font-weight: 600;
}

.quick-links small {
  color: var(--muted);
  font-size: 0.8rem;
}

.link-arrow {
  font-size: 1.05rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  color: var(--faint);
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
}

.site-footer p {
  margin: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 4px;
}

@media (max-width: 760px) {
  body {
    background-image:
      linear-gradient(
        180deg,
        rgba(var(--paper-rgb), 0.98) 0%,
        rgba(var(--paper-rgb), 0.93) 70%,
        rgba(var(--paper-rgb), 0.76) 100%
      ),
      url("../../建置中images/316988701_1965999710272014_2259159735946604324_n.jpg");
    background-attachment: scroll;
    background-position: 72% center;
  }

  .site-shell {
    width: min(100% - 32px, 960px);
  }

  .maintenance-main {
    min-height: auto;
    padding-block: 4.5rem;
  }

  h1 {
    font-size: clamp(2.7rem, 13vw, 3.6rem);
  }

  .quick-links {
    grid-template-columns: 1fr;
    margin-top: 3.5rem;
  }

  .quick-links a:nth-child(odd) {
    margin-right: 0;
  }

  .quick-links a {
    min-height: 88px;
    padding-right: 0.25rem;
  }

  .site-footer {
    min-height: 82px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}