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

:root {
  --primary-bg: #0A0F1E;
  --secondary-bg: #131A2A;
  --elevated-bg: #1D2739;
  --accent-green: #00FF00;
  --accent-gold: #FFD700;
  --text-primary: #FFFFFF;
  --text-secondary: #A3B2C7;
  --border: #2A3A52;

  --font-display: Impact, 'Arial Black', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;

  --radius: 4px;
  --radius-sm: 2px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.22);
  --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.5);
  --transition-fast: 200ms ease;
  --transition-base: 300ms ease;
  --container-max: 1200px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--primary-bg);
  background-image:
    linear-gradient(rgba(42, 58, 82, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 58, 82, 0.16) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

main { display: block; }

h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }

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

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--accent-gold); }

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

::selection {
  background: var(--accent-green);
  color: #062B11;
}

.container {
  width: min(var(--container-max), calc(100% - 2rem));
  margin-inline: auto;
}

.container--narrow {
  max-width: 960px;
}

.visually-hidden {
  position: absolute !important;
  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: -6rem;
  left: 1rem;
  z-index: 1000;
  background: var(--accent-green);
  color: #062B11;
  font-weight: 700;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-pop);
  transition: top var(--transition-fast);
}

.skip-link:focus-visible {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.25rem;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  justify-self: start;
  white-space: nowrap;
}

.brand__mark {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 36px;
  border: 2px solid var(--accent-green);
  background: linear-gradient(135deg, var(--accent-green) 0 50%, transparent 50% 100%);
}

.brand__mark::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 8px;
  height: 8px;
  background: var(--accent-gold);
}

.brand__mark::after {
  content: '';
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--accent-green);
}

.brand__text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand__sub {
  display: block;
  font-family: var(--font-body);
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent-green);
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.nav-command {
  justify-self: center;
}

.nav-command__list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav-command__item {
  margin: 0;
  padding: 0;
}

.nav-command__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.625rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.nav-command__link::after {
  content: '';
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.25rem;
  height: 2px;
  background: var(--accent-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.nav-command__link:hover,
.nav-command__link[aria-current="page"] {
  color: var(--accent-green);
}

.nav-command__link:hover::after,
.nav-command__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-command__link[aria-current="page"] {
  background: rgba(0, 255, 0, 0.08);
}

.nav-command__index {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  color: var(--accent-gold);
  letter-spacing: 0.04em;
}

.header-tools {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-tools__cta {
  white-space: nowrap;
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-gold));
  pointer-events: none;
  z-index: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--secondary-bg);
  transition: border-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--accent-green);
}

.nav-toggle__line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent-green);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn--primary {
  background: var(--accent-green);
  color: #062B11;
}

.btn--primary:hover {
  background: #B9FF6A;
  color: #062B11;
}

.btn--gold {
  background: var(--accent-gold);
  color: #3B2E00;
}

.btn--gold:hover {
  background: #FFEA73;
  color: #3B2E00;
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-primary);
}

.btn--ghost:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.btn--small {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.2;
  white-space: nowrap;
}

.tag--green {
  background: rgba(0, 255, 0, 0.1);
  border: 1px solid rgba(0, 255, 0, 0.35);
  color: var(--accent-green);
}

.tag--gold {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.35);
  color: var(--accent-gold);
}

.section {
  padding: var(--space-12) 0;
}

.section__header {
  margin-bottom: var(--space-8);
  border-left: 4px solid var(--accent-green);
  padding-left: 1rem;
}

.section__kicker {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.25rem;
}

.section__title {
  margin-bottom: 0.5rem;
}

.section__lead {
  max-width: 44rem;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-bottom: 0;
}

.grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.breadcrumb {
  padding: 1rem 0 0;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '/';
  color: var(--border);
  margin-right: 0.375rem;
}

.breadcrumb__link {
  color: var(--text-secondary);
}

.breadcrumb__link:hover {
  color: var(--accent-green);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--accent-gold);
}

.data-card {
  position: relative;
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.data-card:hover {
  background: var(--elevated-bg);
  border-color: var(--accent-green);
}

.data-card__title {
  font-size: 1.125rem;
  margin-bottom: 0.375rem;
}

.data-card__meta {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.data-card__link {
  font-size: 0.875rem;
  font-weight: 700;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric__value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  line-height: 1;
  color: var(--accent-green);
}

.metric__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  padding: 0 0 var(--space-6) 1.25rem;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -1.4rem;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-bg);
  border: 2px solid var(--accent-green);
}

.timeline__item--gold::before {
  border-color: var(--accent-gold);
  background: var(--accent-gold);
}

.timeline__time {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--accent-gold);
}

.timeline__title {
  font-size: 1.125rem;
  margin: 0.25rem 0;
}

.timeline__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.table th,
.table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table th {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-gold);
  background: rgba(255, 215, 0, 0.04);
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--elevated-bg);
}

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

.image-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, var(--elevated-bg) 0 50%, var(--secondary-bg) 50% 100%);
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.image-frame--tall {
  aspect-ratio: 4 / 5;
}

.image-frame__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 4rem 0;
}

.rotate-note {
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0.65;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 400ms ease, transform 400ms ease;
  will-change: opacity, transform;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

.site-footer {
  position: relative;
  margin-top: 4rem;
  background: var(--secondary-bg);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 0;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-green), var(--accent-gold), transparent);
}

.site-footer__diag {
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0 14px,
    rgba(0, 255, 0, 0.035) 14px 15px
  );
  pointer-events: none;
}

.site-footer__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}

.site-footer__brand {
  max-width: 36rem;
}

.brand--footer {
  margin-bottom: 1rem;
}

.site-footer__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.site-footer__trust {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  border-left: 2px solid var(--accent-gold);
  padding-left: 0.75rem;
  opacity: 0.85;
}

.site-footer__col-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer__list a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.site-footer__list a:hover {
  color: var(--accent-green);
}

.site-footer__list--contact li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.site-footer__label {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-green);
}

.site-footer__note {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.75;
}

.site-footer__bottom {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.site-footer__copy {
  margin-bottom: 0;
}

.site-footer__legal {
  display: flex;
  gap: 1.5rem;
}

.site-footer__legal a {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.site-footer__legal a:hover {
  color: var(--accent-green);
}

.site-footer__icp {
  margin-bottom: 0;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.top-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--elevated-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--accent-green);
  font-size: 1.125rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.top-toggle[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.top-toggle:hover {
  border-color: var(--accent-green);
  color: var(--accent-gold);
}

@media (max-width: 960px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
  }

  .header-tools__cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-command {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
    transition: max-height var(--transition-base);
  }

  .nav-command[data-open] {
    max-height: min(60vh, 420px);
    overflow-y: auto;
  }

  .nav-command__list {
    flex-direction: column;
    gap: 0;
    padding: 0.75rem;
  }

  .nav-command__link {
    display: flex;
    align-items: center;
    padding: 0.875rem 0.75rem;
    border-bottom: 1px solid rgba(42, 58, 82, 0.5);
    font-size: 0.9375rem;
  }

  .nav-command__link::after {
    display: none;
  }

  .nav-command__link[aria-current="page"] {
    background: rgba(0, 255, 0, 0.08);
    box-shadow: inset 3px 0 0 var(--accent-green);
  }

  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-split {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.5rem 0;
  }
}

@media (max-width: 600px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer__legal {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .brand__text {
    font-size: 1rem;
  }

  .brand__sub {
    font-size: 0.5rem;
    letter-spacing: 0.12em;
  }

  .brand__mark {
    width: 30px;
    height: 30px;
  }

  .site-header__inner {
    gap: 0.75rem;
  }
}

@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;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}