:root {
  --portal-bg:
    radial-gradient(circle at top left, rgba(212, 177, 116, 0.16), transparent 30%),
    radial-gradient(circle at right top, rgba(56, 102, 186, 0.12), transparent 24%),
    linear-gradient(180deg, #f8f5ef 0%, #edf2f7 100%);
  --portal-panel: rgba(255, 255, 255, 0.86);
  --portal-panel-strong: rgba(255, 255, 255, 0.94);
  --portal-line: rgba(29, 49, 86, 0.12);
  --portal-text: #24324a;
  --portal-muted: #6a748c;
  --portal-accent: #274c8c;
  --portal-accent-strong: #193565;
  --portal-shadow: 0 18px 40px rgba(22, 36, 68, 0.08);
}

body.portal-page-body {
  background: var(--portal-bg);
  color: var(--portal-text);
  font-family: "Noto Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0.01em;
}

.portal-page-top {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.portal-page-home {
  display: flex;
  justify-content: flex-end;
}

.portal-page-home-link {
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 255, 0.96));
  border: 1px solid rgba(37, 54, 82, 0.12);
  color: #28456c;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 12px 24px rgba(44, 72, 109, 0.08);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.portal-page-home-link:hover {
  border-color: rgba(39, 76, 140, 0.2);
  box-shadow: 0 14px 28px rgba(44, 72, 109, 0.12);
  transform: translateY(-1px);
}

.portal-page-card {
  padding: 18px 20px 22px;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 253, 246, 0.96), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(214, 180, 120, 0.24);
  box-shadow: var(--portal-shadow);
}

.portal-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.portal-shortcut {
  min-height: 46px;
  padding: 0 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 255, 0.96));
  border: 1px solid rgba(37, 54, 82, 0.12);
  color: var(--portal-accent-strong);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(44, 72, 109, 0.06);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.portal-shortcut:hover {
  border-color: rgba(39, 76, 140, 0.18);
  box-shadow: 0 14px 28px rgba(44, 72, 109, 0.1);
  transform: translateY(-1px);
}

.portal-shortcut.is-active {
  color: #fff;
  background: linear-gradient(135deg, #335fa7, #1d3a6f);
  border-color: transparent;
  box-shadow: 0 16px 30px rgba(29, 60, 108, 0.18);
}

.portal-page-meta {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.portal-page-badge {
  width: fit-content;
  min-height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(176, 158, 123, 0.5);
  color: #536a63;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.portal-page-title {
  margin: 0;
  color: #253652;
  font-family: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "Songti SC", serif;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

body.portal-page-body[data-portal-theme="night"] {
  --portal-bg:
    radial-gradient(circle at top left, rgba(86, 128, 214, 0.12), transparent 28%),
    radial-gradient(circle at right top, rgba(219, 162, 78, 0.08), transparent 24%),
    linear-gradient(180deg, #06080d 0%, #0b1119 100%);
  --portal-panel: rgba(10, 15, 22, 0.92);
  --portal-panel-strong: rgba(10, 15, 22, 0.98);
  --portal-line: rgba(215, 225, 244, 0.12);
  --portal-text: #edf2ff;
  --portal-muted: #a9b4ca;
  --portal-accent: #7fa2ff;
  --portal-accent-strong: #b2c5ff;
  --portal-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

body.portal-page-body[data-portal-theme="night"] .portal-page-home-link,
body.portal-page-body[data-portal-theme="night"] .portal-shortcut,
body.portal-page-body[data-portal-theme="night"] .portal-page-card {
  background: rgba(10, 15, 22, 0.92);
  border-color: rgba(215, 225, 244, 0.1);
  color: var(--portal-text);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
}

body.portal-page-body[data-portal-theme="night"] .portal-shortcut.is-active {
  background: linear-gradient(135deg, #4367b8, #254686);
  color: #ffffff;
}

body.portal-page-body[data-portal-theme="night"] .portal-page-badge {
  border-color: rgba(215, 225, 244, 0.2);
  color: var(--portal-muted);
}

body.portal-page-body[data-portal-theme="night"] .portal-page-title {
  color: var(--portal-text);
}

.portal-utility-card {
  grid-template-columns: 1fr !important;
}

.portal-empty-copy {
  display: none !important;
}

body.portal-page-body .panel-kicker,
body.portal-page-body .tm-kicker {
  display: none !important;
}

@media (max-width: 760px) {
  .portal-page-card {
    padding: 16px 14px 18px;
    border-radius: 24px;
  }

  .portal-page-title {
    font-size: clamp(28px, 10vw, 40px);
  }

  .portal-shortcuts {
    gap: 10px;
  }

  .portal-shortcut,
  .portal-page-home-link {
    min-height: 40px;
    font-size: 14px;
  }
}