:root {
  --c-bg: #0B1E3A;
  --c-bg-deep: #071627;
  --c-accent: #00FF88;
  --c-accent-soft: #B4FF4D;
  --c-alert: #FF5733;
  --c-text: #E6F2FF;
  --c-muted: #8FAEC8;
  --c-panel: #12304D;
  --c-border: rgba(0, 255, 136, 0.35);
  --c-overlay: rgba(3, 15, 26, 0.7);
  --font-display: Impact, 'Arial Black', 'Noto Sans SC', sans-serif;
  --font-body: Inter, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --shell: 1280px;
  --gutter: 24px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

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

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 10%, rgba(0, 255, 136, 0.08), transparent 36%),
    var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--c-accent);
  text-decoration: none;
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

p {
  margin: 0 0 1em;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.02em;
}

table {
  border-collapse: collapse;
  width: 100%;
}

button, input, select, textarea {
  font: inherit;
}

#main-content {
  position: relative;
  z-index: 1;
  scroll-margin-top: 96px;
}

:focus {
  outline: 0;
}

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

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 1000;
  background: var(--c-accent);
  color: var(--c-bg-deep);
  font-weight: 700;
  padding: 10px 16px;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: top 0.25s ease;
}

.skip-link:focus-visible {
  top: 16px;
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 200;
  pointer-events: none;
}

.progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent-soft) 100%);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.6);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(7, 22, 39, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  height: 76px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.header-lead {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-text);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 42px;
  background: var(--c-accent);
  color: var(--c-bg-deep);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.08em;
  color: var(--c-text);
  white-space: nowrap;
}

.brand-sub {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.tagline {
  display: inline-flex;
  align-items: center;
  padding-left: 14px;
  border-left: 1px solid var(--c-border);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-accent-soft);
  white-space: nowrap;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  counter-reset: navIndex;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-item {
  counter-increment: navIndex;
  margin: 0;
}

.nav-link {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-text);
  position: relative;
}

.nav-link::before {
  content: "0" counter(navIndex);
  font-size: 11px;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  margin-right: 6px;
  font-weight: 700;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

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

.nav-link[aria-current="page"] {
  color: var(--c-accent);
}

.header-ref {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
}

.ref-item {
  padding: 5px 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--c-accent);
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid var(--c-border);
  clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--c-border);
  background: transparent;
  cursor: pointer;
  padding: 10px;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.nav-toggle-box {
  position: relative;
  width: 26px;
  height: 18px;
}

.nav-toggle-box i {
  position: absolute;
  left: 0;
  width: 26px;
  height: 2px;
  background: var(--c-accent);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle-box i:nth-child(1) {
  top: 0;
}

.nav-toggle-box i:nth-child(2) {
  top: 8px;
}

.nav-toggle-box i:nth-child(3) {
  top: 16px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-box i:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-box i:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.site-footer {
  position: relative;
  background: var(--c-bg-deep);
  border-top: 1px solid var(--c-border);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34%;
  height: 4px;
  background: var(--c-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 32px) 100%, 0 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr 1.05fr;
  gap: 48px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 72px var(--gutter) 40px;
}

.footer-brand {
  padding-top: 4px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 900;
  color: var(--c-text);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.footer-logo em {
  font-style: normal;
  color: var(--c-accent);
}

.footer-sub {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 24px;
}

.footer-trust {
  max-width: 38ch;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.75;
  border-left: 2px solid var(--c-accent);
  padding-left: 14px;
  margin: 0;
}

.footer-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border);
}

.footer-title::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--c-accent);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
}

.footer-links a,
.footer-legal a {
  font-size: 14px;
  color: var(--c-text);
  padding: 4px 0;
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--c-accent);
}

.footer-meta {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  font-size: 14px;
}

.footer-meta li {
  display: flex;
  gap: 12px;
  color: var(--c-text);
}

.footer-meta span {
  min-width: 58px;
  color: var(--c-muted);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-legal a {
  font-size: 13px;
  padding: 5px 12px;
  border: 1px solid var(--c-border);
  color: var(--c-accent);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.footer-bottom {
  border-top: 1px solid rgba(230, 242, 255, 0.08);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--gutter);
}

.copyright,
.icp {
  margin: 0;
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
}

.copyright {
  color: var(--c-text);
}

.copyright span {
  color: var(--c-accent);
}

.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border: 1px solid var(--c-border);
  background: var(--c-bg-deep);
  color: var(--c-accent);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background 0.3s ease;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.to-top.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--c-accent);
  color: var(--c-bg-deep);
}

.shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding: 88px 0;
  margin: 0;
}

.section-dark {
  background: var(--c-bg-deep);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 700;
}

.section-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--c-accent);
}

.section-title {
  font-size: clamp(34px, 5.6vw, 64px);
  letter-spacing: -0.02em;
  margin: 0;
}

.section-side {
  writing-mode: vertical-rl;
  max-height: 120px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-muted);
  transform: rotate(180deg);
  text-align: right;
}

.lead-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(56px, 10vw, 120px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 24px;
}

.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));
}

.card {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  padding: 26px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--c-accent);
  box-shadow: var(--shadow);
  background: #14405f;
}

.card-title {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.card-meta {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 14px;
}

.card-text {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.65;
}

.card-footer {
  margin-top: 20px;
}

.panel {
  background: var(--c-panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--c-accent);
  padding: 28px;
  position: relative;
}

.panel-light {
  border-left-color: var(--c-accent-soft);
}

.panel-title {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  border: 0;
  cursor: pointer;
  background: var(--c-accent);
  color: var(--c-bg-deep);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 255, 136, 0.2);
  background: var(--c-accent-soft);
  color: var(--c-bg-deep);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-accent);
}

.btn-outline:hover {
  background: rgba(0, 255, 136, 0.08);
  box-shadow: none;
}

.label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid var(--c-border);
  color: var(--c-accent);
  text-transform: uppercase;
  clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
}

.tag-alert {
  border-color: rgba(255, 87, 51, 0.5);
  color: var(--c-alert);
  background: rgba(255, 87, 51, 0.1);
}

.data-bar {
  position: relative;
  height: 8px;
  background: rgba(7, 22, 39, 0.8);
  border: 1px solid rgba(0, 255, 136, 0.15);
  overflow: hidden;
}

.data-bar > span {
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-soft));
}

.data-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-border), transparent);
  border: 0;
  margin: 16px 0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-border);
  background: var(--c-panel);
}

.table-wrap table {
  min-width: 640px;
}

th,
td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(230, 242, 255, 0.08);
  font-size: 14px;
}

th {
  background: rgba(0, 255, 136, 0.06);
  color: var(--c-accent);
  font-weight: 700;
  letter-spacing: 0.08em;
}

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

.breadcrumb {
  font-size: 13px;
  color: var(--c-muted);
  margin: 0 0 32px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--c-muted);
  opacity: 0.6;
}

.breadcrumb a {
  color: var(--c-accent);
}

.breadcrumb [aria-current="page"] {
  color: var(--c-text);
}

.timeline {
  display: grid;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(230, 242, 255, 0.08);
}

.timeline-node {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--c-accent);
  font-weight: 700;
  font-size: 13px;
  position: relative;
}

.timeline-node::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--c-accent);
  transform: rotate(45deg);
  flex: 0 0 auto;
  margin-top: 6px;
}

.timeline-content {
  min-width: 0;
}

.media {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  overflow: hidden;
  line-height: 0;
}

.media::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.media-4-3::before {
  padding-top: 75%;
}

.media-1-1::before {
  padding-top: 100%;
}

.media::after {
  content: "MEDIA";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--c-muted);
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.04), rgba(0, 0, 0, 0.1));
  border: 1px dashed var(--c-border);
  line-height: 1.4;
  z-index: 1;
}

.media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}

.u-vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--c-muted);
}

.deco-line {
  width: 120px;
  height: 2px;
  background: var(--c-accent);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.6);
}

@media (max-width: 1180px) {
  .tagline {
    display: none;
  }
}

@media (max-width: 960px) {
  .site-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    margin: 0;
    background: var(--c-bg-deep);
    border-bottom: 1px solid var(--c-border);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  }

  .site-nav[data-open] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.3);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px;
  }

  .nav-link {
    padding: 14px 18px;
    border-left: 3px solid transparent;
    font-size: 15px;
  }

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

  .nav-link[aria-current="page"] {
    color: var(--c-accent);
    border-left-color: var(--c-accent);
    background: rgba(0, 255, 136, 0.06);
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-ref {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 56px;
  }

  .footer-trust {
    max-width: 100%;
  }

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

@media (max-width: 640px) {
  .header-inner {
    gap: 12px;
    padding: 0 16px;
  }

  .brand-sub {
    display: none;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom-inner {
    justify-content: center;
    text-align: center;
  }

  .to-top {
    right: 16px;
    bottom: 16px;
  }
}

@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;
  }
}