:root {
  --c-primary-dark: #0F2A5F;
  --c-primary: #1B4E9E;
  --c-accent: #F5B301;
  --c-green: #5A8A4A;
  --c-snow: #F8F9FC;
  --c-surface: #FFFFFF;
  --c-text: #1A1E2E;
  --c-muted: #5B627A;
  --c-highlight: #E6F0FF;
  --c-sky: #7FA8D9;
  --c-teal: #2D8B8B;
  --font-title: "Noto Sans SC", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --header-w: 17rem;
  --mobile-header-h: 4rem;
  --content-max: 1240px;
  --radius-lg: 1.5rem;
  --shadow-soft: 0 10px 32px rgba(15, 42, 95, .08);
  --display: clamp(2.5rem, 6vw, 4.5rem);
  --h1: clamp(1.8rem, 4vw, 2.8rem);
  --h2: 1.5rem;
}

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

html {
  background: var(--c-snow);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: var(--mobile-header-h) 0 0;
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-snow);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 61rem) {
  body {
    padding: 0 0 0 var(--header-w);
  }
}

main {
  display: block;
}

h1, h2, h3, p, ul, ol {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(245, 179, 1, .35);
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 4000;
  padding: .8rem 1.2rem;
  background: var(--c-accent);
  color: var(--c-primary-dark);
  font-family: var(--font-title);
  font-weight: 800;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(15, 42, 95, .35);
  transform: translateY(-300%);
  opacity: 0;
  transition: transform .2s, opacity .2s;
}

.skip-link:focus {
  transform: translateY(0);
  opacity: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--header-w);
  z-index: 2000;
  overflow-y: auto;
  background: linear-gradient(175deg, #081A3A 0%, #0F2A5F 55%, #173A78 100%);
  color: var(--c-snow);
  border-right: 1px solid rgba(255, 255, 255, .08);
  box-shadow: 8px 0 24px rgba(15, 42, 95, .12);
}

.site-header::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, transparent, rgba(245, 179, 1, .45), transparent);
  opacity: .4;
  pointer-events: none;
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 2rem 1.25rem 1.5rem;
  gap: 1.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  flex: none;
  color: inherit;
  text-decoration: none;
}

.brand__mark {
  position: relative;
  flex: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 1rem 1rem 1rem .35rem;
  background: linear-gradient(135deg, #FFD75E 0%, var(--c-accent) 100%);
  display: grid;
  place-items: center;
  box-shadow: inset 0 -2px 0 rgba(15, 42, 95, .18), 0 8px 18px rgba(15, 42, 95, .25);
}

.brand__mark::before {
  content: "";
  width: 1.5rem;
  height: 1.5rem;
  background: var(--c-primary-dark);
  clip-path: polygon(0 100%, 25% 40%, 42% 68%, 62% 20%, 100% 100%);
}

.brand__mark::after {
  content: "";
  position: absolute;
  top: .4rem;
  right: .5rem;
  width: .4rem;
  height: .4rem;
  border-radius: 50%;
  background: var(--c-snow);
  opacity: .9;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .2);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--c-snow);
  white-space: nowrap;
}

.brand__tagline {
  margin-top: .2rem;
  font-family: var(--font-body);
  font-size: .7rem;
  letter-spacing: .06em;
  color: rgba(248, 249, 252, .62);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  padding: .55rem .85rem;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  color: var(--c-snow);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .85rem;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, .12);
}

.nav-toggle__box {
  position: relative;
  display: block;
  width: 1.25rem;
  height: .9rem;
}

.nav-toggle__box span,
.nav-toggle__box span::before,
.nav-toggle__box span::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.nav-toggle__box span {
  top: 50%;
  transform: translateY(-50%);
  transition: background .2s;
}

.nav-toggle__box span::before {
  top: -.4rem;
  transition: top .2s, transform .2s;
}

.nav-toggle__box span::after {
  top: .4rem;
  transition: top .2s, transform .2s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box span::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-toggle__label {
  font-family: var(--font-title);
  font-size: .85rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.site-nav__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .4rem;
}

.site-nav__list::before {
  content: "";
  position: absolute;
  left: .75rem;
  top: .75rem;
  bottom: .75rem;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(245, 179, 1, .4) 20%, rgba(245, 179, 1, .4) 80%, transparent);
  opacity: .6;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .7rem .9rem .7rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.3;
  color: rgba(248, 249, 252, .82);
  transition: background .2s, color .2s, transform .2s, box-shadow .2s;
}

.site-nav__link::before {
  content: "";
  position: absolute;
  left: .55rem;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  border: 2px solid rgba(245, 179, 1, .8);
  background: rgba(15, 42, 95, .6);
  box-shadow: 0 0 0 2px rgba(15, 42, 95, .2);
  transition: background .2s, transform .2s;
}

.site-nav__link:hover {
  background: rgba(255, 255, 255, .08);
  color: var(--c-snow);
  transform: translateX(3px);
}

.site-nav__link:hover::before {
  background: var(--c-accent);
  transform: scale(1.15);
}

.site-nav__link[aria-current="page"],
.site-nav__link.is-current {
  background: var(--c-accent);
  color: var(--c-primary-dark);
  box-shadow: 0 8px 20px rgba(245, 179, 1, .24);
}

.site-nav__link[aria-current="page"]::before,
.site-nav__link.is-current::before {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  box-shadow: 0 0 0 3px rgba(15, 42, 95, .2);
}

.site-nav__meta {
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-family: var(--font-title);
  font-size: .72rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: rgba(248, 249, 252, .55);
}

@media (max-width: 60.999rem) {
  body {
    padding-top: var(--mobile-header-h);
  }

  .site-header {
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: var(--mobile-header-h);
    overflow: visible;
    border-right: 0;
    box-shadow: 0 4px 16px rgba(15, 42, 95, .18);
  }

  .site-header::after {
    display: none;
  }

  .site-header__inner {
    flex-direction: row;
    align-items: center;
    min-height: var(--mobile-header-h);
    height: var(--mobile-header-h);
    padding: 0 1rem;
    gap: .75rem;
  }

  .brand__mark {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: .75rem .75rem .75rem .25rem;
  }

  .brand__mark::before {
    width: 1.2rem;
    height: 1.2rem;
  }

  .brand__name {
    font-size: 1.05rem;
  }

  .brand__tagline {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: var(--mobile-header-h);
    left: 0;
    bottom: 0;
    width: min(84vw, 21rem);
    z-index: 1990;
    padding: 1.75rem 1.25rem 2rem;
    background: linear-gradient(180deg, #081A3A 0%, #0F2A5F 100%);
    border-right: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 10px 0 32px rgba(15, 42, 95, .35);
    transform: translateX(-105%);
    visibility: hidden;
    transition: transform .32s cubic-bezier(.4, 0, .2, 1), visibility .32s;
    overflow-y: auto;
  }

  .site-nav[data-open="true"] {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav__meta {
    margin-top: 2.5rem;
  }
}

.site-footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  background: linear-gradient(180deg, #0A1D44 0%, #0F2A5F 45%, #102B5C 100%);
  color: rgba(248, 249, 252, .78);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-accent) 10%, var(--c-accent) 30%, transparent 70%);
  opacity: .7;
}

.site-footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 3rem clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
}

.site-footer__brand {
  display: grid;
  gap: 1.1rem;
  align-content: start;
}

.site-footer__note {
  margin: 0;
  max-width: 26rem;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .92);
  border-left: 3px solid var(--c-accent);
  padding-left: 1rem;
}

.site-footer__contact {
  display: grid;
  gap: .35rem;
  max-width: 26rem;
  margin: 0;
  font-family: var(--font-body);
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(248, 249, 252, .55);
}

.site-footer__contact span {
  display: block;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.site-footer__group {
  display: grid;
  align-content: start;
  gap: .8rem;
}

.site-footer__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--c-accent);
}

.site-footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .55rem;
}

.site-footer__item {
  margin: 0;
}

.site-footer__link {
  font-family: var(--font-title);
  font-size: .9rem;
  color: rgba(248, 249, 252, .7);
  padding: .15rem 0;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}

.site-footer__link:hover {
  color: var(--c-snow);
  border-bottom-color: rgba(245, 179, 1, .75);
}

.site-footer__bottom {
  padding: 1.1rem 1.25rem;
  display: flex;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.site-footer__icp {
  margin: 0;
  font-family: var(--font-title);
  font-size: .78rem;
  color: rgba(248, 249, 252, .45);
}

@media (max-width: 44rem) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 2.25rem;
    padding-bottom: 1.75rem;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    column-gap: 1rem;
  }

  .site-footer__bottom {
    padding: 1rem;
  }
}

#main-content {
  display: block;
  min-height: 55vh;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2.5rem);
}

.container--narrow {
  max-width: 54rem;
}

.section {
  position: relative;
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.section + .section {
  border-top: 1px solid rgba(27, 78, 158, .1);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-title);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--c-primary);
}

.section-label::before {
  content: "";
  width: 2.2rem;
  height: 2px;
  border-radius: 2px;
  background: var(--c-accent);
}

.section-label::after {
  content: "";
  width: 2.2rem;
  height: 2px;
  border-radius: 2px;
  background: var(--c-teal);
  opacity: .45;
}

.page-header {
  padding: clamp(2rem, 5vw, 4rem) 0 2rem;
}

.page-header::after {
  content: "";
  display: block;
  width: 5rem;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-teal));
  margin-top: 1.25rem;
}

.page-title {
  margin-top: .4rem;
  font-family: var(--font-title);
  font-size: var(--h1);
  line-height: 1.12;
  color: var(--c-primary-dark);
  letter-spacing: -.02em;
}

.breadcrumb {
  margin-bottom: .75rem;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-title);
  font-size: .8rem;
  color: var(--c-muted);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--c-muted);
  opacity: .55;
}

.breadcrumb__link {
  color: var(--c-primary);
  font-weight: 600;
}

.breadcrumb__item--current {
  color: var(--c-text);
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.3rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-family: var(--font-title);
  font-size: .95rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}

.btn--gold {
  background: var(--c-accent);
  color: var(--c-primary-dark);
  box-shadow: 0 8px 20px rgba(245, 179, 1, .25);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(245, 179, 1, .35);
}

.btn--primary {
  background: var(--c-primary);
  color: var(--c-snow);
}

.btn--primary:hover {
  background: var(--c-primary-dark);
  transform: translateY(-2px);
}

.btn--ghost {
  border-color: rgba(27, 78, 158, .4);
  color: var(--c-primary);
  background: transparent;
}

.btn--ghost:hover {
  background: var(--c-highlight);
  border-color: var(--c-primary);
}

.data-card {
  background: var(--c-surface);
  border: 1px solid rgba(27, 78, 158, .12);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
  transition: transform .25s, box-shadow .25s;
}

.data-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 42, 95, .14);
}

.data-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.data-card__label {
  font-family: var(--font-title);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.data-card__value {
  margin-top: .45rem;
  font-family: var(--font-title);
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--c-primary-dark);
  font-variant-numeric: tabular-nums;
}

.data-card__foot {
  margin-top: .75rem;
  padding-top: .65rem;
  border-top: 1px solid rgba(27, 78, 158, .08);
  font-family: var(--font-body);
  font-size: .8rem;
  color: var(--c-muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .25rem .65rem;
  border-radius: 999px;
  background: var(--c-highlight);
  color: var(--c-primary);
  font-family: var(--font-title);
  font-size: .72rem;
  font-weight: 800;
  white-space: nowrap;
}

.tag--live {
  background: rgba(90, 138, 74, .12);
  color: #2E5D26;
}

.tag--warn {
  background: rgba(245, 179, 1, .18);
  color: #7A5500;
}

.tag--teal {
  background: rgba(45, 139, 139, .12);
  color: var(--c-teal);
}

.index-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

.index-nav__link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem .95rem;
  border-radius: 999px;
  border: 1px solid rgba(27, 78, 158, .22);
  background: var(--c-surface);
  color: var(--c-primary);
  font-family: var(--font-title);
  font-size: .86rem;
  font-weight: 700;
  transition: border-color .2s, background .2s, color .2s;
}

.index-nav__link::before {
  content: "";
  width: .4rem;
  height: .4rem;
  border-radius: 50%;
  background: var(--c-accent);
}

.index-nav__link:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-snow);
}

.index-nav__link:hover::before {
  background: var(--c-snow);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, rgba(27, 78, 158, .14), rgba(90, 138, 74, .14));
  border: 1px solid rgba(27, 78, 158, .12);
  border-radius: var(--radius-lg);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 42, 95, .25));
  pointer-events: none;
}

.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--portrait {
  aspect-ratio: 4 / 5;
}

.prose {
  max-width: 72ch;
  font-family: var(--font-body);
  color: var(--c-text);
}

.prose p {
  margin-top: 1rem;
}

.prose h2 {
  margin-top: 2.5rem;
  font-family: var(--font-title);
  font-size: var(--h2);
  color: var(--c-primary-dark);
}

.prose ul {
  margin-top: 1rem;
  padding-left: 1.2rem;
  list-style: square;
}

.prose li {
  margin-top: .35rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--c-surface);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  font-family: var(--font-title);
  font-size: .9rem;
}

.data-table th,
.data-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid rgba(27, 78, 158, .1);
  text-align: left;
  white-space: nowrap;
}

.data-table th {
  background: var(--c-highlight);
  color: var(--c-primary-dark);
  font-weight: 800;
  letter-spacing: .04em;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tbody tr:hover {
  background: var(--c-highlight);
}

@media (max-width: 44rem) {
  .data-table {
    display: block;
    overflow-x: auto;
  }
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: linear-gradient(90deg, var(--c-accent), var(--c-teal));
  box-shadow: 0 0 12px rgba(245, 179, 1, .4);
  z-index: 3000;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }

  .skip-link,
  .site-nav,
  .site-nav__link,
  .data-card,
  .btn {
    transition: none;
  }
}