:root {
  --bg: #edf3fb;
  --bg-deep: #d7e3f5;
  --surface: rgba(249, 252, 255, 0.92);
  --surface-strong: #ffffff;
  --line: rgba(10, 44, 96, 0.1);
  --line-strong: rgba(10, 44, 96, 0.18);
  --text: #10233f;
  --muted: #59708f;
  --highlight: #0b3a82;
  --highlight-strong: #072a61;
  --highlight-soft: rgba(11, 58, 130, 0.1);
  --accent: #1d5bbf;
  --accent-soft: rgba(244, 198, 42, 0.16);
  --shadow: 0 24px 64px rgba(10, 44, 96, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 91, 191, 0.14), transparent 28%),
    radial-gradient(circle at 84% 16%, rgba(11, 58, 130, 0.12), transparent 24%),
    linear-gradient(180deg, var(--bg), #f9fbff 42%, var(--bg-deep) 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(28px);
  opacity: 0.72;
}

body::before {
  width: 22rem;
  height: 22rem;
  top: 4rem;
  right: -6rem;
  background: rgba(29, 91, 191, 0.12);
}

body::after {
  width: 16rem;
  height: 16rem;
  bottom: 3rem;
  left: -3rem;
  background: rgba(244, 198, 42, 0.08);
}

.page-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.2rem 0 4rem;
}

.main-layout {
  display: grid;
  gap: 1.35rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  padding: 1.45rem;
}

.panel--nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.4rem;
  position: sticky;
  top: 1rem;
  z-index: 10;
}

.brand,
.nav-link,
.button,
.button--ghost,
.overview-card,
.text-link {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--text);
}

.brand__logo {
  display: block;
  width: auto;
  height: 54px;
  object-fit: contain;
}

.brand__text {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.bilingual {
  display: inline-grid;
  gap: 0.16rem;
}

.bilingual--inline {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  align-items: baseline;
}

.bilingual__zh {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.bilingual__en {
  font-size: 0.86em;
  font-weight: 600;
  letter-spacing: 0.01em;
  opacity: 0.66;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.nav-link {
  padding: 0.6rem 0.96rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--highlight);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 0 0 1px rgba(29, 91, 191, 0.08);
  transform: translateY(-1px);
}

.nav-link--active {
  color: #fdfefe;
  background: linear-gradient(135deg, var(--highlight), var(--highlight-strong));
}

.lang-toggle {
  appearance: none;
  border: 1px solid rgba(11, 58, 130, 0.16);
  background: rgba(255, 255, 255, 0.72);
  color: var(--highlight);
  border-radius: 999px;
  padding: 0.62rem 1rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
  transform: translateY(-1px);
  background: #ffffff;
  border-color: rgba(11, 58, 130, 0.28);
  box-shadow: inset 0 0 0 1px rgba(29, 91, 191, 0.08);
}

.nav-link .bilingual {
  gap: 0.02rem;
  text-align: center;
}

.nav-link .bilingual__zh {
  font-size: 0.74rem;
  line-height: 1.14;
}

.nav-link .bilingual__en {
  font-size: 0.63rem;
  line-height: 1.06;
  opacity: 0.78;
}

.hero--home {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr);
  gap: 1.35rem;
  padding: 1.75rem;
}

.hero__copy {
  display: grid;
  align-content: start;
}

.hero__meta {
  display: grid;
  gap: 0.9rem;
}

.subpage-hero {
  padding: 1.65rem;
}

.eyebrow,
.section-kicker,
.meta-label,
.detail-label {
  margin: 0 0 0.7rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.79rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

#siteTitle,
.subpage-hero h1 {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 0.96;
  max-width: 12ch;
}

#siteTitle .bilingual,
.subpage-hero h1 .bilingual,
.section-heading h2 .bilingual,
.card__title .bilingual,
.hero__description .bilingual,
.section-intro .bilingual,
.card__body .bilingual,
.meta-value .bilingual,
.brand__text .bilingual {
  gap: 0.16rem;
}

#siteTitle .bilingual__zh,
.subpage-hero h1 .bilingual__zh {
  font-size: 1em;
  line-height: 0.98;
}

#siteTitle .bilingual__en,
.subpage-hero h1 .bilingual__en {
  font-size: 0.38em;
  line-height: 1.15;
  text-transform: none;
  letter-spacing: 0.04em;
  opacity: 0.52;
}

.section-heading h2 .bilingual__zh,
.card__title .bilingual__zh {
  font-size: 1em;
}

.section-heading h2 .bilingual__en,
.card__title .bilingual__en {
  font-size: 0.68em;
  opacity: 0.58;
}

.hero__description .bilingual__en,
.section-intro .bilingual__en,
.card__body .bilingual__en,
.meta-value .bilingual__en {
  font-size: 0.78em;
  line-height: 1.6;
  opacity: 0.62;
}

.brand__text .bilingual__zh {
  font-size: 1em;
}

.brand__text .bilingual__en {
  font-size: 0.7em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
}

.hero__description,
.section-intro,
.card__body,
.meta-value {
  color: var(--muted);
  line-height: 1.75;
}

.hero__description {
  margin: 1rem 0 0;
  max-width: 46rem;
  font-size: 1.04rem;
}

.hero__actions,
.material-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__actions {
  margin-top: 1.35rem;
}

.button,
.button--ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  padding: 0.92rem 1.28rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button .bilingual,
.button--ghost .bilingual {
  justify-items: center;
  text-align: center;
}

.button .bilingual__zh,
.button--ghost .bilingual__zh {
  font-size: 1em;
}

.button .bilingual__en,
.button--ghost .bilingual__en {
  font-size: 0.66em;
  opacity: 0.74;
}

.button {
  color: #fdfefe;
  background: linear-gradient(135deg, #1d5bbf, #0b3a82);
  box-shadow: 0 14px 32px rgba(11, 58, 130, 0.24);
}

.button--ghost {
  color: var(--highlight);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(11, 58, 130, 0.16);
}

.button:hover,
.button--ghost:hover,
.button:focus-visible,
.button--ghost:focus-visible,
.overview-card:hover,
.overview-card:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  transform: translateY(-2px);
}

.meta-card,
.card,
.overview-card {
  border-radius: 22px;
  border: 1px solid rgba(10, 44, 96, 0.08);
  background: var(--surface-strong);
}

.meta-card {
  padding: 1rem 1.05rem;
}

.meta-card p,
.section-heading h2,
.section-heading p,
.card__title,
.material-meta,
.detail-label {
  margin: 0;
}

.section-heading {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.materials-search {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.materials-search__label {
  margin-bottom: 0;
}

.search-field {
  display: grid;
  gap: 0.45rem;
}

.search-input {
  width: 100%;
  min-height: 3rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(10, 44, 96, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.search-input::placeholder {
  color: var(--muted);
  opacity: 0.88;
}

.search-input:focus {
  outline: none;
  border-color: rgba(11, 58, 130, 0.32);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(29, 91, 191, 0.08);
}

.materials-search__meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.section-heading--split {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
}

.section-heading h2,
.card__title {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.section-heading h2 {
  font-size: 1.5rem;
}

.overview-grid,
.material-list,
.advisor-grid {
  display: grid;
  gap: 1rem;
}

.overview-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.overview-card {
  display: grid;
  gap: 0.55rem;
  min-height: 190px;
  padding: 1.15rem;
  color: inherit;
}

.material-list {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.material-list--archive {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.advisor-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.accordion-group {
  margin-bottom: 1rem;
  border: 1px solid rgba(10, 44, 96, 0.08);
  border-radius: 22px;
  overflow: hidden;
  background: var(--surface-strong);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.25rem;
  border: 0;
  background: rgba(29, 91, 191, 0.04);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease;
}

.accordion-header:hover,
.accordion-header:focus-visible {
  background: rgba(29, 91, 191, 0.08);
}

.accordion-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.1rem;
}

.accordion-title__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.8rem;
  height: 1.8rem;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: rgba(11, 58, 130, 0.08);
  color: var(--highlight);
  font-size: 0.78rem;
  font-weight: 700;
}

.accordion-icon {
  color: var(--muted);
  transition: transform 160ms ease;
}

.accordion-group.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 1.25rem;
}

.accordion-group.active .accordion-content {
  display: block;
}

.accordion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.1rem;
}

.material-card--empty {
  text-align: center;
}

.advisor-card {
  display: grid;
  gap: 0.9rem;
}

.advisor-card__email {
  display: inline-flex;
  align-items: center;
  width: fit-content;
}

.card__title-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 0.7rem;
}

.card__title {
  font-size: 1.05rem;
}

.quick-link__arrow,
.text-link,
.material-meta {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.quick-link__arrow,
.text-link {
  color: var(--highlight);
}

.quick-link__arrow {
  margin-top: auto;
}

.material-meta {
  margin-bottom: 0.7rem;
  font-size: 0.84rem;
  color: var(--accent);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.72rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--highlight);
  font-size: 0.78rem;
  white-space: nowrap;
}

.pill .bilingual--inline,
.schedule-table th .bilingual--inline,
.schedule-table td .bilingual--inline,
.tag-list .bilingual--inline,
.material-meta .bilingual--inline,
.detail-label .bilingual--inline,
.section-kicker .bilingual--inline,
.quick-link__arrow .bilingual--inline {
  gap: 0.22rem;
}

.pill .bilingual__en,
.schedule-table th .bilingual__en,
.schedule-table td .bilingual__en,
.tag-list .bilingual__en,
.material-meta .bilingual__en,
.detail-label .bilingual__en,
.section-kicker .bilingual__en,
.quick-link__arrow .bilingual__en {
  font-size: 0.76em;
  opacity: 0.68;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.7rem 0 1rem;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.34rem 0.72rem;
  border-radius: 999px;
  background: rgba(29, 91, 191, 0.08);
  color: var(--muted);
}

.table-shell {
  overflow-x: auto;
  border-radius: 22px;
  border: 1px solid rgba(10, 44, 96, 0.08);
  background: var(--surface-strong);
}

.schedule-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.schedule-table th,
.schedule-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(10, 44, 96, 0.08);
}

.schedule-table th {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--highlight);
  background: rgba(29, 91, 191, 0.06);
}

.schedule-table tbody tr:last-child td {
  border-bottom: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 480ms ease forwards;
}

.fade-in:nth-child(2) {
  animation-delay: 70ms;
}

.fade-in:nth-child(3) {
  animation-delay: 140ms;
}

.fade-in:nth-child(4) {
  animation-delay: 210ms;
}

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

@media (max-width: 980px) {
  .panel--nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar__actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
    margin-left: 0;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero--home,
  .section-heading--split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 1rem, 100%);
    padding-top: 0.8rem;
  }

  .panel,
  .meta-card,
  .card,
  .overview-card {
    border-radius: 20px;
  }

  .panel {
    padding: 1.15rem;
  }

  .brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .topbar__actions,
  .site-nav {
    width: 100%;
  }

  .lang-toggle {
    width: 100%;
  }

  .brand__logo {
    height: 46px;
  }

  #siteTitle,
  .subpage-hero h1 {
    font-size: clamp(2.1rem, 11vw, 3.3rem);
  }

  .card__title-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .button,
  .button--ghost {
    width: 100%;
    min-width: 0;
  }

  .schedule-table {
    min-width: 620px;
  }
}

.hero--landing {
  padding: 1.85rem;
}

.hero__copy--wide {
  max-width: 68rem;
}

.home-priority-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.35fr);
  gap: 1.35rem;
}

.button--compact {
  min-width: 0;
  padding-inline: 1rem;
}

.advisor-grid--home {
  grid-template-columns: 1fr;
}

.duty-card {
  display: grid;
  gap: 1rem;
}

.duty-list {
  display: grid;
  gap: 0.8rem;
}

.duty-item {
  display: grid;
  gap: 0.3rem;
  padding: 0.85rem 0.95rem;
  border-radius: 18px;
  background: rgba(29, 91, 191, 0.05);
  border: 1px solid rgba(10, 44, 96, 0.06);
}

.duty-item__value {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
}

@media (max-width: 980px) {
  .home-priority-grid {
    grid-template-columns: 1fr;
  }
}

.hero--simple {
  padding: 1.55rem 1.7rem;
}

.hero--simple #siteTitle {
  max-width: 16ch;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

.hero--simple .hero__description {
  margin-top: 0.85rem;
  max-width: 52rem;
}

.material-list--stacked {
  grid-template-columns: 1fr;
}

@media (max-width: 980px) {
  .hero--simple {
    padding: 1.35rem;
  }
}
.hero__meta .overview-card {
  min-height: 0;
  padding: 1rem 1.05rem;
}

.hero__meta .card__title {
  font-size: 1.08rem;
}

.hero__meta .card__body {
  line-height: 1.65;
}