:root {
  --deep-navy: #0A1128;
  --ink-black: #050A15;
  --fluo-green: #C8FF00;
  --electric-blue: #00E5FF;
  --white: #F5F8FF;
  --muted-slate: #7A8BA8;
  --lime-dim: #4C6A00;
  --blue-dim: #002D36;
  --amber: #FFB300;
  --purple: #B388FF;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", "Consolas", "Liberation Mono", monospace;
  --container-max: 1200px;
  --container-pad-x: 16px;
  --header-h: 64px;
  --radius: 4px;
}
@media (min-width: 600px) {
  :root {
    --container-pad-x: 24px;
    --header-h: 76px;
  }
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  min-height: 100%;
}
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--white);
  background-color: var(--deep-navy);
  background-image:
    linear-gradient(rgba(122, 139, 168, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 139, 168, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.4em;
  line-height: 1.25;
  color: var(--white);
  font-weight: 900;
}
p {
  margin: 0 0 1em;
}
a {
  color: var(--electric-blue);
  text-decoration: none;
}
a:hover {
  color: var(--fluo-green);
}
img {
  max-width: 100%;
  display: block;
}
ul,
ol {
  margin: 0;
  padding: 0;
}
::selection {
  background: var(--fluo-green);
  color: var(--ink-black);
}
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--ink-black);
}
::-webkit-scrollbar-thumb {
  background: rgba(122, 139, 168, 0.35);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 229, 255, 0.5);
}
.container,
.header-inner {
  width: min(calc(100% - var(--container-pad-x) * 2), var(--container-max));
  margin-inline: auto;
}
.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: -48px;
  left: 16px;
  z-index: 2000;
  background: var(--fluo-green);
  color: var(--ink-black);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 3px;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 12px;
  color: var(--ink-black);
}
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2000;
  width: 100%;
  height: 3px;
  pointer-events: none;
}
.scroll-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--fluo-green), var(--electric-blue));
  transform: scaleX(0);
  transform-origin: 0 50%;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, var(--ink-black) 0%, var(--deep-navy) 100%);
  border-bottom: 1px solid rgba(0, 229, 255, 0.22);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.is-scrolled {
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.45);
  border-bottom-color: rgba(0, 229, 255, 0.45);
}
.header-scan {
  position: absolute;
  top: 0;
  left: -30%;
  width: 60%;
  height: 2px;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), var(--electric-blue), var(--fluo-green), rgba(200, 255, 0, 0.1), transparent);
  animation: header-scan 5.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  opacity: 0;
}
@keyframes header-scan {
  0% {
    left: -30%;
    opacity: 0;
  }
  12% {
    opacity: 0.9;
  }
  55% {
    left: 110%;
    opacity: 0.9;
  }
  68% {
    opacity: 0;
  }
  100% {
    left: 110%;
    opacity: 0;
  }
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
  position: relative;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--lime-dim) 0%, var(--lime-dim) 70%, rgba(200, 255, 0, 0.2) 70%);
  color: var(--fluo-green);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  border: 1px solid rgba(200, 255, 0, 0.35);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: box-shadow 0.2s ease;
}
.brand-mark:hover .brand-symbol {
  box-shadow: 0 0 16px rgba(200, 255, 0, 0.4);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.06em;
}
.brand-sub {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--electric-blue);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.site-nav {
  position: fixed;
  top: var(--header-h);
  left: 12px;
  right: 12px;
  z-index: 990;
  background: linear-gradient(180deg, var(--ink-black) 0%, #071026 100%);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 8px;
  padding: 10px;
  max-height: calc(100vh - var(--header-h) - 16px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.28s ease, transform 0.28s ease, visibility 0s linear 0.28s;
}
.site-nav[data-open] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.28s ease, transform 0.28s ease;
}
.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
}
.nav-item {
  margin: 0;
  padding: 0;
}
.nav-link {
  position: relative;
  display: block;
  padding: 14px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(122, 139, 168, 0.14);
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-list li:last-child .nav-link {
  border-bottom: 0;
}
.nav-link::after {
  display: none;
}
.nav-link:hover {
  color: var(--fluo-green);
  background: rgba(200, 255, 0, 0.06);
}
.nav-link[aria-current="page"] {
  color: var(--fluo-green);
  background: rgba(200, 255, 0, 0.08);
}
.btn-nav-entry {
  display: none;
  margin-top: 10px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header-actions .btn-entry {
  display: none;
}
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav-toggle:hover {
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--electric-blue);
}
.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--electric-blue);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:first-child {
  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);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  border-radius: 3px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: var(--fluo-green);
  color: var(--ink-black);
}
.btn-primary:hover {
  color: var(--ink-black);
  box-shadow: 0 0 20px rgba(200, 255, 0, 0.35);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(0, 229, 255, 0.5);
  color: var(--electric-blue);
}
.btn-ghost:hover {
  color: var(--electric-blue);
  background: rgba(0, 229, 255, 0.08);
  border-color: var(--electric-blue);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.25);
}
.btn-entry {
  font-size: 13px;
  padding: 8px 16px;
}
.btn-footer-contact {
  margin-top: 16px;
  font-size: 12px;
  padding: 8px 16px;
}
.fixed-mini-link {
  position: fixed;
  right: 20px;
  bottom: 24px;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--fluo-green);
  color: var(--ink-black);
  font-size: 13px;
  font-weight: 800;
  padding: 12px 18px;
  text-decoration: none;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  box-shadow: 0 8px 24px rgba(200, 255, 0, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.fixed-mini-link:hover {
  color: var(--ink-black);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(200, 255, 0, 0.4);
}
.fixed-mini-cube {
  width: 8px;
  height: 8px;
  background: var(--ink-black);
  display: block;
  animation: cube-pulse 2s ease-in-out infinite;
}
@keyframes cube-pulse {
  0%,
  100% {
    transform: rotate(45deg) scale(1);
  }
  50% {
    transform: rotate(45deg) scale(0.7);
  }
}
.fixed-mini-text {
  letter-spacing: 0.08em;
}
.site-main {
  flex: 1 0 auto;
  min-height: 70vh;
  padding: 40px 0 72px;
}
#main-content {
  outline: none;
}
#main-content:focus-visible {
  outline: 2px dashed var(--electric-blue);
  outline-offset: 8px;
}
.section {
  padding: clamp(48px, 7vw, 88px) 0;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  font-size: 13px;
  color: var(--muted-slate);
}
.breadcrumb li {
  display: inline-flex;
  align-items: center;
}
.breadcrumb li:not(:last-child)::after {
  content: "→";
  margin-left: 10px;
  color: rgba(122, 139, 168, 0.5);
  font-size: 12px;
}
.breadcrumb a {
  color: var(--electric-blue);
  text-decoration: none;
}
.breadcrumb a:hover {
  text-decoration: underline;
  color: var(--electric-blue);
}
.breadcrumb [aria-current="page"] {
  color: var(--white);
  font-weight: 600;
}
.section-head {
  position: relative;
  margin-bottom: 32px;
  padding-left: 16px;
}
.section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--fluo-green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}
.section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  letter-spacing: 0.02em;
  margin: 0 0 6px;
}
.section-sub {
  font-size: 14px;
  font-weight: 300;
  color: var(--muted-slate);
  margin: 0;
}
.card {
  background: linear-gradient(145deg, rgba(10, 17, 40, 0.9), rgba(5, 10, 21, 0.95));
  border: 1px solid rgba(122, 139, 168, 0.2);
  border-radius: 6px;
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.tag-green {
  background: var(--lime-dim);
  color: var(--fluo-green);
}
.tag-blue {
  background: var(--blue-dim);
  color: var(--electric-blue);
}
.tag-purple {
  background: rgba(179, 136, 255, 0.12);
  color: var(--purple);
  border: 1px solid rgba(179, 136, 255, 0.3);
}
.tag-amber {
  background: rgba(255, 179, 0, 0.1);
  color: var(--amber);
  border: 1px solid rgba(255, 179, 0, 0.3);
}
.stat {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--fluo-green);
}
.stat-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted-slate);
}
.data-bar {
  height: 6px;
  background: rgba(122, 139, 168, 0.15);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.data-bar-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--lime-dim), var(--fluo-green));
  border-radius: 3px;
}
.media {
  position: relative;
  overflow: hidden;
  min-height: 160px;
  background:
    radial-gradient(120% 160% at 20% 0%, rgba(0, 229, 255, 0.14), transparent 50%),
    linear-gradient(145deg, var(--blue-dim) 0%, rgba(10, 17, 40, 0.4) 60%, var(--lime-dim) 100%);
  border: 1px solid rgba(122, 139, 168, 0.2);
  border-radius: 6px;
}
.media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(122, 139, 168, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 139, 168, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.media > img,
.media > svg,
.media > picture,
.media > .media-content {
  position: relative;
  z-index: 1;
}
.media-16x9 {
  aspect-ratio: 16 / 9;
}
.media-4x3 {
  aspect-ratio: 4 / 3;
}
.media-1x1 {
  aspect-ratio: 1 / 1;
}
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 20px;
}
.site-footer {
  margin-top: auto;
  position: relative;
  background: linear-gradient(180deg, var(--ink-black) 0%, #03070F 100%);
  border-top: 1px solid rgba(200, 255, 0, 0.2);
}
.footer-beam {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--fluo-green) 0%, var(--electric-blue) 50%, var(--purple) 100%);
  opacity: 0.8;
  pointer-events: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 48px 0 36px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.footer-logo-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--fluo-green);
  color: var(--ink-black);
  font-weight: 900;
  font-size: 20px;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: transform 0.2s ease;
}
.footer-logo:hover .footer-logo-symbol {
  transform: rotate(-3deg);
}
.footer-logo-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.08em;
}
.footer-desc {
  margin: 0;
  max-width: 36ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-slate);
}
.footer-trust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--white);
  background: rgba(200, 255, 0, 0.08);
  border: 1px solid rgba(200, 255, 0, 0.2);
  border-radius: 3px;
}
.trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fluo-green);
  box-shadow: 0 0 8px rgba(200, 255, 0, 0.8);
  animation: trust-pulse 2s ease-in-out infinite;
}
@keyframes trust-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}
.footer-heading {
  margin: 0 0 18px;
  padding-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--fluo-green);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-bottom: 1px solid rgba(122, 139, 168, 0.2);
}
.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-link {
  display: inline-block;
  font-size: 14px;
  color: var(--muted-slate);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}
.footer-link:hover {
  color: var(--electric-blue);
  transform: translateX(4px);
}
.footer-contact-list {
  gap: 0;
}
.footer-contact-list li {
  padding: 10px 0;
  border-bottom: 1px dashed rgba(122, 139, 168, 0.18);
}
.footer-contact-list li:last-child {
  border-bottom: 0;
}
.contact-label {
  display: block;
  margin-bottom: 2px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--electric-blue);
}
.contact-value {
  font-size: 14px;
  color: var(--white);
  word-break: break-all;
}
.contact-address {
  font-size: 14px;
  color: var(--white);
  overflow-wrap: break-word;
}
.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 20px 0 24px;
  border-top: 1px solid rgba(122, 139, 168, 0.15);
}
.footer-icp {
  margin: 0;
  font-size: 12px;
  color: var(--muted-slate);
}
.footer-declare {
  margin: 0;
  font-size: 12px;
  color: var(--muted-slate);
}
html.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.6, 0.2, 1);
}
html.js-enabled [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}
:focus-visible {
  outline: 2px solid var(--electric-blue);
  outline-offset: 3px;
}
@media (min-width: 600px) {
  .site-main {
    padding: 56px 0 88px;
  }
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 56px 0 40px;
  }
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .footer-declare {
    text-align: right;
  }
}
@media (min-width: 960px) {
  .header-actions .btn-entry {
    display: inline-flex;
  }
  .nav-toggle {
    display: none;
  }
  .site-nav {
    position: absolute;
    top: 50%;
    left: 50%;
    right: auto;
    width: auto;
    max-height: none;
    overflow: visible;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    transform: translate(-50%, -50%);
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: row;
    gap: 6px;
  }
  .nav-link {
    padding: 10px 14px;
    font-size: 14px;
    border-bottom: 0;
    background: transparent;
  }
  .nav-list li:last-child .nav-link {
    border-bottom: 0;
  }
  .nav-link::after {
    display: block;
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    background: var(--fluo-green);
    transform: scaleX(0);
    transform-origin: 0 50%;
    transition: transform 0.22s ease;
  }
  .nav-link:hover {
    background: transparent;
  }
  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after {
    transform: scaleX(1);
  }
  .nav-link[aria-current="page"] {
    background: transparent;
  }
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
  }
}
@media (min-width: 960px) and (max-width: 1199px) {
  .nav-link {
    padding: 10px 10px;
    font-size: 13px;
  }
}
@media (max-width: 959px) {
  .btn-nav-entry {
    display: inline-flex;
    width: 100%;
    justify-content: center;
  }
}
@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;
  }
  .header-scan {
    animation: none;
    opacity: 0.6;
  }
  .trust-dot,
  .fixed-mini-cube {
    animation: none;
  }
  html.js-enabled [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
