:root {
  --paper: #F4EFE6;
  --paper-bright: #FCFAF5;
  --ink: #1C1B1A;
  --deep-green: #1F4D2E;
  --gold: #C9A227;
  --midnight: #0D1B2A;
  --light-green: #3A6B4D;
  --light-gold: #E0C56A;
  --gray: #6B6A66;
  --alert: #A23B2E;
  --font-headline: "Noto Sans SC", "SimHei", sans-serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-data: "JetBrains Mono", "Roboto Mono", monospace;
  --shadow-sm: 0 2px 6px rgba(28, 27, 26, 0.08);
  --shadow-md: 0 8px 20px rgba(13, 27, 42, 0.14);
  --radius: 4px;
  --transition: 160ms ease;
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd,
ul,
ol {
  margin: 0;
}

ul[class],
ol[class] {
  list-style: none;
  padding: 0;
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-headline);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h3 {
  font-size: 1.4rem;
}

h4 {
  font-size: 1.1rem;
}

a {
  color: var(--deep-green);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--ink);
}

button {
  font: inherit;
  border: 0;
  cursor: pointer;
}

img,
svg {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--deep-green);
  color: var(--paper-bright);
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 2px;
}

.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: 10px;
  left: 10px;
  z-index: 300;
  background: var(--midnight);
  color: var(--paper-bright);
  padding: 10px 16px;
  border-radius: var(--radius);
  transform: translateY(-300%);
  transition: transform 200ms ease;
}

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

.container {
  width: min(1280px, 100%);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: 64px;
}

.section--dark {
  background: var(--midnight);
  color: var(--paper-bright);
}

.section--dark a {
  color: var(--light-gold);
}

.section--dark a:hover {
  color: var(--paper-bright);
}

.section__head {
  max-width: 800px;
  margin-bottom: 36px;
  display: grid;
  gap: 12px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--deep-green);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--gold);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-top: 6px solid var(--deep-green);
  border-left: 4px solid var(--deep-green);
  border-right: 4px solid var(--deep-green);
  border-bottom: 1px solid var(--ink);
  box-shadow: var(--shadow-sm);
}

.header__frame {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  max-width: 1440px;
  margin-inline: auto;
  padding: 12px 20px 16px;
}

.header__bar {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: var(--deep-green);
  color: var(--paper-bright);
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.2rem;
  border-radius: 2px 10px 2px 2px;
  box-shadow: 4px 4px 0 var(--gold);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__name {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}

.brand__word {
  margin-top: 4px;
  font-family: var(--font-data);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.header__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header__refresh {
  display: none;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--deep-green);
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 4px 8px;
}

.header__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(0.8);
    opacity: 0.6;
  }
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--deep-green);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
}

.nav-toggle__line {
  width: 20px;
  height: 2px;
  background: var(--paper-bright);
  transition: transform 200ms ease, opacity 200ms ease;
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav {
  display: none;
  flex-direction: column;
}

.nav[data-open] {
  display: flex;
  width: 100%;
  flex-basis: 100%;
  order: 3;
  background: var(--midnight);
  border-top: 1px solid var(--deep-green);
  border-radius: 0 0 8px 8px;
  padding: 8px 0 10px;
}

.nav__list {
  display: flex;
  flex-direction: column;
}

.nav__link {
  display: block;
  padding: 12px 18px;
  color: var(--paper-bright);
  font-family: var(--font-data);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  border-left: 3px solid transparent;
}

.nav__link:hover {
  background: rgba(201, 162, 39, 0.12);
  color: var(--light-gold);
}

.nav__link[aria-current="page"] {
  background: var(--deep-green);
  color: var(--paper-bright);
  border-left-color: var(--gold);
}

.header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: rgba(28, 27, 26, 0.08);
}

.header__progress-bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--deep-green), var(--gold));
}

@media (min-width: 680px) {
  .header__frame {
    padding: 14px 28px 18px;
  }

  .header__refresh {
    display: inline-flex;
  }
}

@media (min-width: 880px) {
  .header__frame {
    flex-wrap: nowrap;
  }

  .header__bar {
    flex: 0 1 auto;
  }

  .nav,
  .nav[data-open] {
    display: flex;
    flex: 1 1 auto;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    width: auto;
    order: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
  }

  .nav__list {
    flex-direction: row;
    align-items: center;
    gap: 2px;
  }

  .nav__link {
    color: var(--ink);
    padding: 10px 12px;
    border-left: none;
    border-bottom: 3px solid transparent;
  }

  .nav__link:hover {
    color: var(--deep-green);
    background: transparent;
  }

  .nav__link[aria-current="page"] {
    color: var(--deep-green);
    background: transparent;
    border-left: none;
    border-bottom-color: var(--gold);
  }

  .nav-toggle {
    display: none;
  }
}

.site-footer {
  margin-top: 80px;
  background: var(--midnight);
  color: var(--paper-bright);
  border-top: 6px solid var(--gold);
  border-left: 4px solid var(--deep-green);
  border-right: 4px solid var(--deep-green);
}

.footer__inner {
  padding-block: 48px 20px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.footer__brand {
  max-width: 360px;
}

.brand--footer .brand__mark {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--deep-green);
}

.brand--footer .brand__name {
  color: var(--paper-bright);
}

.brand--footer .brand__word {
  color: var(--light-gold);
}

.footer__about {
  margin-top: 16px;
  color: rgba(244, 239, 230, 0.72);
}

.footer__title {
  margin-bottom: 14px;
  padding-bottom: 6px;
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(201, 162, 39, 0.4);
}

.footer__list li + li {
  margin-top: 8px;
}

.footer__list a {
  color: var(--paper-bright);
  text-decoration: none;
}

.footer__list a:hover {
  color: var(--light-gold);
}

.footer__contact-list {
  display: grid;
  gap: 12px;
}

.footer__contact-list li {
  display: grid;
  gap: 2px;
}

.footer__label {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--light-gold);
}

.footer__value {
  color: var(--paper-bright);
  font-weight: 500;
  word-break: break-all;
}

.footer__note {
  margin-top: 18px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(244, 239, 230, 0.62);
}

.footer__bottom {
  margin-top: 40px;
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
  border-top: 1px solid rgba(244, 239, 230, 0.18);
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: rgba(244, 239, 230, 0.55);
}

.footer__copyright {
  margin: 0;
}

.footer__icp {
  margin: 0;
  letter-spacing: 0.06em;
}

@media (min-width: 700px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .footer__grid {
    grid-template-columns: 1.6fr 0.9fr 1fr 1.5fr;
  }
}

.grid {
  display: grid;
  gap: 20px;
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero--diagonal {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  padding: 72px 0 56px;
}

.hero--diagonal::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 78%;
  background: var(--midnight);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.hero__content,
.hero__media {
  position: relative;
  z-index: 1;
}

.hero__media {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 28px;
  background: var(--deep-green);
  color: var(--paper-bright);
  border-radius: 6px;
  font-family: var(--font-data);
  letter-spacing: 0.06em;
  text-align: center;
  transform: rotate(-1deg);
  box-shadow: 12px 12px 0 var(--gold);
}

@media (min-width: 880px) {
  .hero--diagonal {
    grid-template-columns: 1.05fr 0.95fr;
    padding: 96px 0;
  }
}

.page-hero {
  padding: 56px 0 40px;
}

.page-hero__title {
  max-width: 900px;
}

.page-hero__lead {
  max-width: 640px;
  margin-top: 14px;
  color: var(--gray);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-headline);
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn--primary {
  background: var(--deep-green);
  color: var(--paper-bright);
  box-shadow: 0 3px 0 var(--ink);
}

.btn--primary:hover {
  background: var(--light-green);
  color: var(--paper-bright);
  transform: translateY(-1px);
  box-shadow: 0 5px 0 var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--deep-green);
  border-color: var(--deep-green);
}

.btn--ghost:hover {
  background: var(--deep-green);
  color: var(--paper-bright);
}

.btn--gold {
  background: var(--gold);
  color: var(--ink);
}

.btn--gold:hover {
  background: var(--light-gold);
  color: var(--ink);
}

.card {
  position: relative;
  padding: 22px;
  background: var(--paper-bright);
  border: 1px solid rgba(28, 27, 26, 0.18);
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--deep-green);
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.card__meta {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--gray);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 2px;
}

.tag--green {
  background: var(--deep-green);
  color: var(--paper-bright);
}

.tag--gold {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--ink);
}

.tag--outline {
  background: transparent;
  color: var(--deep-green);
  border-color: var(--deep-green);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--gray);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--gray);
}

.breadcrumb__item a {
  color: var(--deep-green);
  text-decoration: none;
}

.breadcrumb__item[aria-current="page"] {
  color: var(--ink);
  font-weight: 500;
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-data);
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(28, 27, 26, 0.14);
  text-align: left;
}

.data-table th {
  background: var(--deep-green);
  color: var(--paper-bright);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.data-table td {
  background: var(--paper-bright);
}

.data-table .num {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.data-table .pos {
  color: var(--deep-green);
}

.data-table .neg {
  color: var(--alert);
}

.tabs {
  margin-top: 24px;
}

.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 2px solid var(--deep-green);
  margin-bottom: 20px;
}

.tabs__btn {
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 10px 14px;
  font-family: var(--font-headline);
  font-weight: 700;
  color: var(--gray);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.tabs__btn:hover {
  color: var(--deep-green);
  background: rgba(31, 77, 46, 0.06);
}

.tabs__btn[aria-selected="true"] {
  color: var(--deep-green);
  border-bottom-color: var(--gold);
  background: rgba(201, 162, 39, 0.1);
}

.tabs__panel {
  padding: 20px 0;
}

.tabs__panel[hidden] {
  display: none;
}

.timeline {
  position: relative;
  margin: 24px 0;
  padding-left: 24px;
  border-left: 3px solid var(--deep-green);
}

.timeline__item {
  position: relative;
  padding: 0 0 28px 18px;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--deep-green);
}

.timeline__item time {
  display: block;
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--gray);
}

.timeline__item h3 {
  color: var(--deep-green);
  font-size: 1.05rem;
}

.media-frame {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 16px;
  min-height: 180px;
  background: var(--midnight);
  color: var(--light-gold);
  border-radius: 6px;
  font-family: var(--font-data);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-align: center;
}

.media-frame--ratio-16-9 {
  aspect-ratio: 16 / 9;
}

.media-frame--ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.media-frame--ratio-1-1 {
  aspect-ratio: 1 / 1;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}