:root {
  --color-bg: #0A0F0D;
  --color-panel: #111B16;
  --color-elevated: #1C2B22;
  --color-grid: #2E4A3E;
  --color-green: #00A651;
  --color-blue: #00BFFF;
  --color-gold: #FFD700;
  --color-text: #E5EEE9;
  --color-text-dim: #8B9B95;
  --color-terracotta: #C67B5C;
  --font-head: 'Arial Black', 'Noto Sans SC Black', 'Source Han Sans CN Heavy', sans-serif;
  --font-body: 'Roboto Condensed', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-data: 'JetBrains Mono', 'Roboto Mono', 'SFMono-Regular', monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --container-max: 1280px;
  --header-height: 72px;
  --announce-height: 36px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(rgba(46, 74, 62, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 74, 62, 0.18) 1px, transparent 1px);
  background-size: 40px 40px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--color-text);
  line-height: 1.2;
}
p {
  margin-bottom: 1rem;
}
a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
a:hover {
  color: var(--color-green);
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}
ul[class], ol[class] {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}
html[data-nav-open="true"] {
  overflow: hidden;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: var(--space-3);
  z-index: 9999;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg);
  color: var(--color-green);
  border: 1px solid var(--color-green);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: top var(--transition-base);
}
.skip-link:focus-visible {
  top: var(--space-2);
}
.announce {
  background: var(--color-panel);
  border-bottom: 1px solid var(--color-grid);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-dim);
  position: relative;
}
.announce__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 8px rgba(0, 166, 81, 0.7);
  animation: dot-pulse 2s ease-in-out infinite;
}
.announce__text {
  letter-spacing: 0.02em;
}
.header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-grid);
}
.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: var(--header-height);
}
.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.brand-mark {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}
.brand-mark__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 12px rgba(0, 166, 81, 0.7);
  animation: dot-pulse 2s ease-in-out infinite;
}
.brand-mark__ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-green);
  border-radius: 50%;
  opacity: 0.35;
}
.brand-mark__ring::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px dashed var(--color-grid);
  border-radius: 50%;
}
.brand-mark--footer {
  width: 38px;
  height: 38px;
}
.header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.header__brand-name {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--color-text);
  letter-spacing: 0.03em;
}
.header__brand-tag {
  font-family: var(--font-data);
  font-size: 0.7rem;
  color: var(--color-green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.header__nav {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 0;
  overflow: hidden;
  background: var(--color-panel);
  transition: max-height var(--transition-base);
  z-index: 499;
  border-bottom: 1px solid transparent;
}
.header__nav[data-open="true"] {
  max-height: calc(100vh - 72px);
  overflow-y: auto;
  border-bottom-color: var(--color-grid);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}
.nav-list {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: var(--space-2) 0;
}
.nav-list__item {
  width: 100%;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px var(--space-4);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-dim);
  border-left: 3px solid transparent;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}
.nav-link__index {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-green);
  opacity: 0.75;
  min-width: 1.6em;
}
.nav-link__text {
  letter-spacing: 0.02em;
}
.nav-link:hover {
  color: var(--color-green);
  background: rgba(0, 166, 81, 0.06);
  border-left-color: var(--color-green);
}
.nav-link:hover .nav-link__index {
  color: var(--color-blue);
  opacity: 1;
}
.nav-link[aria-current="page"] {
  color: var(--color-text);
  background: rgba(0, 166, 81, 0.14);
  border-left-color: var(--color-green);
}
.nav-link[aria-current="page"] .nav-link__index {
  color: var(--color-green);
  opacity: 1;
}
.header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-grid);
  background: var(--color-panel);
  padding: 10px;
  flex-shrink: 0;
  transition: border-color var(--transition-fast);
}
.header__toggle:hover {
  border-color: var(--color-green);
}
.toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.header__toggle[aria-expanded="true"] .toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--color-green);
}
.header__toggle[aria-expanded="true"] .toggle-line:nth-child(2) {
  opacity: 0;
}
.header__toggle[aria-expanded="true"] .toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--color-green);
}
.header__scale {
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-grid) 0 2px,
    transparent 2px 12px
  );
  border-bottom: 1px solid var(--color-grid);
}
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 1000;
  pointer-events: none;
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.4);
}
.footer {
  background:
    linear-gradient(rgba(46, 74, 62, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 74, 62, 0.1) 1px, transparent 1px),
    var(--color-panel);
  background-size: 32px 32px, 32px 32px, auto;
  border-top: 1px solid var(--color-grid);
}
.footer__scale {
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-green) 0 2px,
    var(--color-grid) 2px 4px,
    transparent 4px 16px
  );
  border-bottom: 1px solid var(--color-grid);
}
.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-5);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.footer__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.footer__brand-name {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--color-text);
  letter-spacing: 0.03em;
}
.footer__brand-tag {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.footer__about {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-dim);
  line-height: 1.7;
  margin-bottom: var(--space-3);
  max-width: 32em;
}
.footer__trust {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-terracotta);
  border-left: 2px solid var(--color-terracotta);
  padding-left: var(--space-3);
  line-height: 1.6;
  margin-top: var(--space-2);
}
.footer__heading {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-grid);
  position: relative;
}
.footer__heading::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--color-green);
}
.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__list li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-dim);
  line-height: 1.5;
}
.footer__list a {
  color: var(--color-text-dim);
  display: inline-block;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.footer__list a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}
.footer__list--dense {
  gap: var(--space-3);
}
.footer__bottom {
  border-top: 1px solid var(--color-grid);
  background: var(--color-bg);
  padding: var(--space-3) var(--space-4);
}
.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.footer__copyright,
.footer__icp {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin: 0;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
.page-header {
  padding: var(--space-7) 0 var(--space-5);
  border-bottom: 1px solid var(--color-grid);
  margin-bottom: var(--space-6);
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 3px;
  background: var(--color-green);
}
.page-header__index {
  font-family: var(--font-data);
  color: var(--color-green);
  font-size: 0.85rem;
  display: block;
  margin-bottom: var(--space-2);
  letter-spacing: 0.1em;
}
.page-header__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-text);
  margin: 0;
  letter-spacing: 0.02em;
}
.page-header__desc {
  color: var(--color-text-dim);
  font-size: 1.05rem;
  margin-top: var(--space-3);
  max-width: 640px;
  line-height: 1.6;
}
.section {
  padding: var(--space-7) 0;
  position: relative;
}
.section--alt {
  background: var(--color-panel);
  border-top: 1px solid var(--color-grid);
  border-bottom: 1px solid var(--color-grid);
}
.section__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-grid);
}
.section__index {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--color-green);
  letter-spacing: 0.1em;
}
.section__title {
  font-family: var(--font-head);
  font-size: 1.75rem;
  color: var(--color-text);
  margin: 0;
}
.breadcrumb {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-grid);
  margin-bottom: var(--space-6);
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 0.85rem;
  list-style: none;
}
.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-dim);
}
.breadcrumb__item:not(:last-child)::after {
  content: '/';
  color: var(--color-grid);
  font-family: var(--font-data);
}
.breadcrumb__link {
  color: var(--color-text-dim);
}
.breadcrumb__link:hover {
  color: var(--color-green);
}
.breadcrumb__item[aria-current="page"] {
  color: var(--color-text);
}
.prose {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-dim);
  max-width: 760px;
}
.prose p {
  margin-bottom: var(--space-4);
}
.prose h2 {
  font-family: var(--font-head);
  color: var(--color-text);
  font-size: 1.4rem;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}
.prose h3 {
  font-family: var(--font-body);
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}
.prose a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose ul,
.prose ol {
  margin: 0 0 var(--space-4) var(--space-4);
}
.prose li {
  margin-bottom: var(--space-2);
}
.panel {
  background: var(--color-panel);
  border: 1px solid var(--color-grid);
  padding: var(--space-4);
  position: relative;
}
.panel--elevated {
  background: var(--color-elevated);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-green);
  opacity: 0.7;
}
.grid {
  display: grid;
  gap: var(--space-4);
}
.grid--2col {
  grid-template-columns: 1fr;
}
.grid--3col {
  grid-template-columns: 1fr;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 22px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--color-grid);
  background: var(--color-panel);
  color: var(--color-text);
  transition: all var(--transition-fast);
}
.btn:hover {
  border-color: var(--color-green);
  color: var(--color-green);
  box-shadow: inset 0 0 12px rgba(0, 166, 81, 0.12);
}
.btn--primary {
  background: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-bg);
  letter-spacing: 0.02em;
}
.btn--primary:hover {
  background: var(--color-elevated);
  border-color: var(--color-green);
  color: var(--color-green);
}
.btn--ghost {
  background: transparent;
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.btn--ghost:hover {
  background: rgba(0, 191, 255, 0.08);
  border-color: var(--color-blue);
  color: var(--color-text);
  box-shadow: inset 0 0 12px rgba(0, 191, 255, 0.15);
}
.stat-card {
  background: var(--color-panel);
  border: 1px solid var(--color-grid);
  padding: var(--space-4);
  position: relative;
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.stat-card:hover {
  border-color: var(--color-green);
  transform: translateY(-2px);
}
.stat-card__value {
  font-family: var(--font-data);
  font-size: 2rem;
  color: var(--color-gold);
  display: block;
  line-height: 1.2;
}
.stat-card__label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-dim);
  display: block;
  margin-top: var(--space-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-grid);
  border-left: 3px solid var(--color-blue);
}
.metric__label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.metric__value {
  font-family: var(--font-data);
  font-size: 1.6rem;
  color: var(--color-green);
  line-height: 1.2;
}
.metric__trend {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-gold);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.data-table th {
  font-family: var(--font-data);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  background: var(--color-panel);
  border-bottom: 1px solid var(--color-grid);
  padding: 12px 16px;
  text-align: left;
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(46, 74, 62, 0.4);
  color: var(--color-text);
}
.data-table tbody tr {
  transition: background var(--transition-fast);
}
.data-table tbody tr:hover {
  background: rgba(0, 166, 81, 0.06);
}
.img-container {
  position: relative;
  overflow: hidden;
  background: var(--color-elevated);
  border: 1px solid var(--color-grid);
  aspect-ratio: 16 / 9;
}
.img-container--tall {
  aspect-ratio: 3 / 4;
}
.img-container--wide {
  aspect-ratio: 21 / 9;
}
.img-container::before {
  content: 'IMAGE SLOT';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  background:
    linear-gradient(rgba(46, 74, 62, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 74, 62, 0.3) 1px, transparent 1px);
  background-size: 24px 24px;
}
.text-center {
  text-align: center;
}
.text-gold {
  color: var(--color-gold);
}
.text-green {
  color: var(--color-green);
}
.text-blue {
  color: var(--color-blue);
}
.font-data {
  font-family: var(--font-data);
}
@keyframes dot-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .grid--2col {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3col {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1101px) {
  .header__toggle {
    display: none;
  }
  .header__nav {
    display: flex;
    align-items: center;
    position: static;
    max-height: none;
    overflow: visible;
    background: transparent;
    border-bottom: none;
    box-shadow: none;
  }
  .nav-list {
    flex-direction: row;
    align-items: center;
    padding: 0;
  }
  .nav-list__item {
    width: auto;
  }
  .nav-link {
    padding: 10px 14px;
    font-size: 0.95rem;
    border-left: 2px solid transparent;
  }
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}
@media (max-width: 400px) {
  .header__brand-name {
    font-size: 1.1rem;
  }
  .header__brand-tag {
    font-size: 0.6rem;
  }
  .header__inner {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }
  .nav-link {
    padding: 12px var(--space-3);
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .announce__dot,
  .brand-mark__dot {
    animation: none !important;
  }
  .scroll-progress {
    box-shadow: none;
  }
  .stat-card:hover {
    transform: none;
  }
}