:root {
  --ink: #182235;
  --muted: #647084;
  --line: #dbe2ec;
  --panel: #ffffff;
  --accent: #b98535;
  --accent-dark: #7b5420;
  --blue: #183d70;
  --green: #2f7669;
  --shadow: 0 24px 70px rgba(24, 34, 53, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(24, 42, 68, 0.58), rgba(24, 61, 112, 0.22)),
    url("assets/background.jpg") center / cover fixed;
}

.maintenance-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 18px;
}

.maintenance-panel {
  width: min(920px, 100%);
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.brand-logo {
  width: min(250px, 48vw);
  height: auto;
  display: block;
}

.brand-copy {
  min-width: 0;
}

.brand-name {
  margin: 0 0 8px;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.2;
  font-weight: 700;
  color: var(--blue);
}

.brand-subtitle {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}

.notice {
  max-width: 720px;
  padding: clamp(34px, 6vw, 58px) 0 30px;
}

.status {
  width: fit-content;
  margin: 0 0 18px;
  padding: 7px 14px;
  border: 1px solid rgba(185, 133, 53, 0.42);
  border-radius: 999px;
  background: rgba(185, 133, 53, 0.1);
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1.1;
  letter-spacing: 0;
  color: var(--ink);
}

.intro {
  margin: 22px 0 0;
  max-width: 680px;
  color: #3f4d61;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.9;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.info-item {
  min-height: 104px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.info-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.info-item strong {
  display: block;
  color: var(--blue);
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.35;
}

.footer-note {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

@media (max-width: 720px) {
  .maintenance-page {
    align-items: start;
    padding-top: 22px;
  }

  .brand {
    display: block;
  }

  .brand-logo {
    width: min(230px, 82vw);
    margin-bottom: 18px;
  }

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

  .info-item {
    min-height: 0;
  }
}