:root {
  --space-950: #080C1A;
  --space-800: #111A3D;
  --neon-green: #32FF7E;
  --tangerine: #FF6A3D;
  --desert-gold: #E0A96D;
  --paper-cream: #F2EFE6;
  --ink-white: #F5F7FF;
  --muted-blue: #A8B3D9;
  --hairline: #28355C;
  --warning-yellow: #FFC857;
  --gradient-blue-green: linear-gradient(135deg, #111A3D 0%, #1D3B5F 100%);
  --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Roboto Mono', monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-white);
  background: var(--space-950);
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
  display: block;
}

#main-content {
  outline: none;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style-position: inside;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  color: var(--ink-white);
  line-height: 1.2;
  margin: 0 0 0.4em;
}

h1 {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 18px;
  font-weight: 700;
}

h4 {
  font-size: 16px;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--neon-green);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

::selection {
  background: var(--neon-green);
  color: var(--space-950);
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
}

.container-narrow {
  max-width: 860px;
}

.page-body {
  padding-block: clamp(24px, 5vw, 56px);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 32px);
}

.col-span-3 {
  grid-column: span 3;
}

.col-span-4 {
  grid-column: span 4;
}

.col-span-5 {
  grid-column: span 5;
}

.col-span-6 {
  grid-column: span 6;
}

.col-span-7 {
  grid-column: span 7;
}

.col-span-8 {
  grid-column: span 8;
}

.col-span-9 {
  grid-column: span 9;
}

.col-span-12 {
  grid-column: span 12;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 24px;
}

.editorial-grid {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: clamp(16px, 4vw, 48px);
  margin-bottom: 28px;
}

.editorial-side {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted-blue);
}

.editorial-main {
  min-width: 0;
}

.asymmetric-grid {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
}

.asymmetric-grid-rev {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 220px);
  gap: clamp(20px, 4vw, 56px);
}

.section {
  padding-block: clamp(32px, 6vw, 72px);
}

.section-alt {
  background: var(--gradient-blue-green);
}

.section-dark {
  background: var(--space-800);
}

.section-head {
  display: grid;
  grid-template-columns: 96px 1fr;
  grid-template-areas:
    "index title"
    "index desc";
  column-gap: 24px;
  row-gap: 6px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}

.section-index {
  grid-area: index;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--desert-gold);
  letter-spacing: 0.08em;
  padding-top: 4px;
}

.section-title {
  grid-area: title;
  margin: 0;
}

.section-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-blue);
  max-width: 520px;
}

.section-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.section-foot a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--desert-gold);
}

.section-foot a:hover {
  color: var(--neon-green);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--neon-green);
  color: var(--space-950);
  border-color: var(--neon-green);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn-primary:hover {
  background: var(--space-800);
  color: var(--neon-green);
  border-color: var(--neon-green);
}

.btn-secondary {
  border-color: var(--neon-green);
  color: var(--neon-green);
  background: rgba(50, 255, 126, 0.06);
}

.btn-secondary:hover {
  background: rgba(50, 255, 126, 0.14);
  color: var(--neon-green);
}

.btn-warm {
  background: var(--tangerine);
  color: var(--space-950);
  border-color: var(--tangerine);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn-warm:hover {
  background: transparent;
  color: var(--tangerine);
  border-color: var(--tangerine);
}

.btn-ghost {
  border-color: var(--hairline);
  color: var(--muted-blue);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-white);
  border: 1px solid var(--hairline);
  background: var(--space-800);
}

.tag-green {
  color: var(--neon-green);
  border-color: rgba(50, 255, 126, 0.5);
}

.tag-orange {
  color: var(--tangerine);
  border-color: rgba(255, 106, 61, 0.5);
}

.tag-gold {
  color: var(--desert-gold);
  border-color: rgba(224, 169, 109, 0.5);
}

.tag-yellow {
  color: var(--warning-yellow);
  border-color: rgba(255, 200, 87, 0.5);
}

.card {
  position: relative;
  background: var(--space-800);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--hairline);
  padding: 20px;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  border-left-color: var(--neon-green);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.card-title {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 8px;
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-blue);
  letter-spacing: 0.04em;
}

.card-tag {
  margin-bottom: 10px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--neon-green);
  position: static;
  z-index: 2;
}

.card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  cursor: pointer;
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--gradient-blue-green);
  border: 1px solid var(--hairline);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-blue);
  font-family: var(--font-mono);
  font-size: 12px;
}

.media-frame::after {
  content: attr(data-label);
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--neon-green);
  background: rgba(8, 12, 26, 0.72);
  border-left: 2px solid var(--neon-green);
  pointer-events: none;
}

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

.media-frame-lg {
  aspect-ratio: 21 / 9;
}

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

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

.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-green) 0%, var(--hairline) 100%);
}

.timeline-item {
  position: relative;
  margin: 0;
  padding: 0 0 28px 30px;
  list-style: none;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--space-950);
  border: 2px solid var(--neon-green);
  transform: rotate(45deg);
}

.timeline-item:last-child::before {
  background: var(--neon-green);
}

.step-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-white);
}

.step-note {
  font-size: 14px;
  color: var(--muted-blue);
  margin-top: 2px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--hairline);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--desert-gold);
  background: rgba(17, 26, 61, 0.6);
}

.data-table tbody tr:hover {
  background: rgba(50, 255, 126, 0.05);
}

.data-table td:first-child {
  color: var(--neon-green);
  font-family: var(--font-mono);
  font-size: 13px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 14px 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted-blue);
  list-style: none;
}

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

.breadcrumbs li + li::before {
  content: "/";
  color: var(--desert-gold);
}

.breadcrumbs a {
  color: var(--muted-blue);
}

.breadcrumbs a:hover {
  color: var(--neon-green);
}

.breadcrumbs [aria-current="page"] {
  color: var(--neon-green);
}

.paper-block {
  background: var(--paper-cream);
  color: var(--space-950);
  padding: 16px 20px;
  border-left: 4px solid var(--desert-gold);
  margin-bottom: 1em;
}

.paper-block a {
  color: var(--space-950);
  text-decoration: underline;
}

.text-mono {
  font-family: var(--font-mono);
}

.text-mini {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-blue);
}

.text-gold {
  color: var(--desert-gold);
}

.text-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted-blue);
}

.display-cut {
  position: relative;
  padding-left: 16px;
}

.display-cut::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25em;
  bottom: 0.25em;
  width: 5px;
  background: var(--neon-green);
  clip-path: polygon(0 0, 100% 0, 40% 100%, 0 100%);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 999;
  background: var(--neon-green);
  color: var(--space-950);
  font-weight: 700;
  padding: 8px 16px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  outline: none;
  box-shadow: inset 0 0 0 2px var(--space-950);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 12, 26, 0.97);
  border-bottom: 1px solid var(--hairline);
}

.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--neon-green) 0,
    var(--neon-green) 24px,
    var(--hairline) 24px,
    var(--hairline) 48px,
    var(--tangerine) 48px,
    var(--tangerine) 60px,
    var(--hairline) 60px,
    var(--hairline) 84px
  );
  opacity: 0.85;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1440px;
  margin-inline: auto;
  padding: 0 clamp(16px, 4vw, 48px);
  min-height: 68px;
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-green) 0%, var(--tangerine) 100%);
  z-index: 5;
  pointer-events: none;
  transition: width 0.08s linear;
}

.brand-lockup {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-white);
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--neon-green);
  color: var(--space-950);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  clip-path: polygon(0 0, 100% 0, 100% 75%, 75% 100%, 0 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  color: var(--ink-white);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-slogan {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted-blue);
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.brand-link:hover .brand-name {
  color: var(--neon-green);
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0;
}

.nav-link {
  position: relative;
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-blue);
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  background: var(--neon-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--neon-green);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--neon-green);
  background: linear-gradient(105deg, rgba(50, 255, 126, 0.14) 0%, rgba(50, 255, 126, 0.03) 100%);
  border-left: 2px solid var(--neon-green);
}

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

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--tangerine);
  color: var(--space-950);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  white-space: nowrap;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: transform 0.2s ease, background 0.2s ease;
}

.header-cta:hover {
  background: var(--neon-green);
  color: var(--space-950);
  transform: translateY(-2px);
}

.cta-arrow {
  font-size: 13px;
  transition: transform 0.2s ease;
}

.header-cta:hover .cta-arrow {
  transform: translate(2px, -2px);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--hairline);
  padding: 8px 12px;
  color: var(--ink-white);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
}

.nav-toggle-bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: var(--neon-green);
  transition: transform 0.2s ease;
}

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

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

.nav-toggle-text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.site-footer {
  background: linear-gradient(180deg, var(--space-800) 0%, var(--space-950) 100%);
  border-top: 1px solid var(--hairline);
  margin-top: auto;
  color: var(--muted-blue);
}

.footer-ornament {
  height: 4px;
  background: linear-gradient(90deg, var(--neon-green) 0%, var(--hairline) 25%, var(--desert-gold) 50%, var(--hairline) 75%, var(--tangerine) 100%);
}

.footer-inner {
  max-width: 1440px;
  margin-inline: auto;
  padding: 48px clamp(16px, 4vw, 48px) 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  color: var(--ink-white);
}

.footer-logo:hover {
  color: var(--neon-green);
}

.footer-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--neon-green);
  color: var(--space-950);
  font-size: 18px;
  font-weight: 900;
  clip-path: polygon(0 0, 100% 0, 78% 100%, 0 100%);
}

.footer-desc {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-blue);
  max-width: 280px;
}

.footer-trust {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--hairline);
  font-size: 12px;
  line-height: 1.6;
  color: var(--desert-gold);
  max-width: 320px;
}

.footer-title {
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--desert-gold);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.footer-links,
.footer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.footer-links a {
  color: var(--muted-blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: "/";
  color: var(--desert-gold);
  font-family: var(--font-mono);
  font-size: 12px;
}

.footer-links a:hover {
  color: var(--neon-green);
}

.footer-contact-list li {
  position: relative;
  padding-left: 16px;
}

.footer-contact-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 8px;
  color: var(--desert-gold);
  transform: rotate(45deg);
  line-height: 1.9;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--hairline);
  margin-top: 40px;
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-blue);
}

.footer-footnote {
  color: var(--desert-gold);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    background: var(--space-950);
    border-bottom: 1px solid var(--hairline);
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }

  .site-nav[data-open] {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 16px 20px;
  }

  .nav-item {
    border-bottom: 1px solid rgba(40, 53, 92, 0.7);
  }

  .nav-link {
    display: block;
    padding: 12px 10px;
  }

  .nav-link[aria-current="page"] {
    border-left-width: 4px;
  }
}

@media (max-width: 760px) {
  .grid-12 {
    grid-template-columns: 1fr;
  }

  .col-span-3,
  .col-span-4,
  .col-span-5,
  .col-span-6,
  .col-span-7,
  .col-span-8,
  .col-span-9,
  .col-span-12 {
    grid-column: span 1;
  }

  .asymmetric-grid,
  .asymmetric-grid-rev {
    grid-template-columns: 1fr;
  }

  .editorial-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section-head {
    grid-template-columns: 1fr;
    grid-template-areas:
      "index"
      "title"
      "desc";
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 24px;
  }
}

@media (max-width: 640px) {
  .header-cta {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@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;
  }
}