:root {
  --c-bg: #0A0E14;
  --c-surface: #101A2E;
  --c-accent: #00E5FF;
  --c-accent-2: #A3FF00;
  --c-text: #F5F7FA;
  --c-text-dim: #9AAAB8;
  --c-warning: #FF4D4F;
  --c-grid: rgba(28, 61, 74, 0.5);
  --font-head: "PingFang SC Heavy", "Alibaba PuHuiTi Heavy", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC Regular", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-data: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", "Cascadia Mono", "Courier New", monospace;
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 32px;
  --s-5: 48px;
  --s-6: 64px;
  --s-7: 96px;
  --content-w: 1200px;
  --content-pad: 24px;
  --header-h: 72px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --speed: 400ms;
}
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background-color: var(--c-bg);
  background-image:
    linear-gradient(var(--c-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img,
picture,
video,
canvas {
  max-width: 100%;
  display: block;
}
ul,
ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
}
button:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
}
main {
  flex: 1 0 auto;
}
.skip-link {
  position: fixed;
  top: var(--s-2);
  left: var(--s-2);
  z-index: 2000;
  padding: var(--s-2) var(--s-3);
  background: var(--c-accent);
  color: var(--c-bg);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  border-radius: 2px;
  transform: translateY(-200%);
  transition: transform 0.3s var(--ease);
}
.skip-link:focus {
  transform: translateY(0);
}
.content-container {
  width: min(100% - 2 * var(--content-pad), var(--content-w));
  margin-inline: auto;
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--s-4);
}
.g-3 {
  grid-column: span 3;
}
.g-4 {
  grid-column: span 4;
}
.g-6 {
  grid-column: span 6;
}
.g-8 {
  grid-column: span 8;
}
.g-12 {
  grid-column: span 12;
}
.section {
  position: relative;
  padding: var(--s-6) 0;
}
.section__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-4);
  margin-bottom: var(--s-5);
}
.section__title {
  position: relative;
  font-size: clamp(26px, 3.2vw, 44px);
  line-height: 1.2;
}
.section__title::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
  margin-bottom: var(--s-2);
}
.blueprint-grid {
  position: relative;
  background-image:
    linear-gradient(var(--c-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-grid) 1px, transparent 1px);
  background-size: 36px 36px;
}
.coord-label {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-text-dim);
  text-transform: uppercase;
}
.coord-label::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  flex-shrink: 0;
}
.font-data {
  font-family: var(--font-data);
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(10, 14, 20, 0.82) 0%, rgba(10, 14, 20, 0.45) 60%, transparent 100%);
  transition:
    background-color var(--speed) var(--ease),
    box-shadow var(--speed) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(10, 14, 20, 0.97);
  box-shadow: 0 1px 0 var(--c-grid), 0 8px 32px rgba(0, 0, 0, 0.35);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  height: var(--header-h);
  padding: 0 var(--content-pad);
  max-width: calc(var(--content-w) + 2 * var(--content-pad));
  margin-inline: auto;
}
.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 5;
  pointer-events: none;
}
.scroll-progress__bar {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  will-change: width;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand__mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.brand__mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  transition: transform 0.3s var(--ease);
}
.brand__mark::after {
  content: "N";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  line-height: 1;
  color: var(--c-bg);
}
.brand:hover .brand__mark::before {
  transform: scale(1.06);
}
.brand__name {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand__name strong {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 0.02em;
}
.brand__name small {
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 400;
  color: var(--c-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.site-nav {
  margin-left: auto;
}
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--s-1);
}
.site-nav__link {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--c-text);
  border-radius: 2px;
  position: relative;
  transition:
    color 0.3s var(--ease),
    background-color 0.3s var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--c-accent);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}
.site-nav__link:hover {
  color: var(--c-accent);
}
.site-nav__link:hover::after {
  width: calc(100% - 28px);
}
.site-nav__link[aria-current="page"] {
  color: var(--c-accent);
  background: rgba(0, 229, 255, 0.08);
}
.site-nav__link[aria-current="page"]::after {
  width: calc(100% - 28px);
  background: var(--c-accent-2);
}
.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-accent-2);
  background: rgba(163, 255, 0, 0.08);
  border: 1px solid rgba(163, 255, 0, 0.35);
  border-radius: 999px;
  white-space: nowrap;
  transition:
    background-color 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.header-badge:hover {
  background: rgba(163, 255, 0, 0.16);
  border-color: var(--c-accent-2);
  box-shadow: 0 0 20px rgba(163, 255, 0, 0.12);
}
.header-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent-2);
  animation: badge-pulse 2s ease-in-out infinite;
}
@keyframes badge-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.75);
  }
}
.nav-toggle {
  display: none;
  position: relative;
  z-index: 1002;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-grid);
  border-radius: 4px;
  background: rgba(16, 26, 46, 0.75);
  transition:
    border-color 0.3s var(--ease),
    background-color 0.3s var(--ease);
}
.nav-toggle:hover {
  border-color: var(--c-accent);
}
.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--c-text);
  border-radius: 1px;
  transition:
    transform 0.35s var(--ease),
    opacity 0.25s var(--ease);
}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-toggle__sr {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 12px 30px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  color: var(--c-bg);
  background: transparent;
  border: 2px solid transparent;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
  transition:
    filter 0.3s var(--ease),
    transform 0.3s var(--ease),
    background-color 0.3s var(--ease),
    border-color 0.3s var(--ease);
}
.btn--primary {
  background: var(--c-accent);
  color: var(--c-bg);
}
.btn--primary:hover {
  background: #33ebff;
  filter: drop-shadow(0 4px 24px rgba(0, 229, 255, 0.35));
  transform: translateY(-2px);
}
.btn--secondary {
  background: var(--c-accent-2);
  color: var(--c-bg);
}
.btn--secondary:hover {
  background: #b5ff33;
  filter: drop-shadow(0 4px 24px rgba(163, 255, 0, 0.3));
  transform: translateY(-2px);
}
.btn--ghost {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(0, 229, 255, 0.04);
}
.btn--ghost:hover {
  background: rgba(0, 229, 255, 0.12);
  transform: translateY(-2px);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 2px;
  text-transform: uppercase;
}
.tag--new {
  color: var(--c-bg);
  background: var(--c-accent-2);
}
.tag--hot {
  color: var(--c-text);
  background: rgba(255, 77, 79, 0.18);
  border: 1px solid rgba(255, 77, 79, 0.5);
}
.card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-grid);
  border-radius: 2px;
  padding: var(--s-4);
  transition:
    transform 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--c-accent);
  box-shadow: 0 10px 36px rgba(0, 229, 255, 0.08);
}
.card--article {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.card--stats {
  font-family: var(--font-data);
}
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-grid);
  border-radius: 2px;
}
.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(135deg, transparent 55%, rgba(0, 229, 255, 0.08) 100%);
  pointer-events: none;
}
.media-frame::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 8px;
  z-index: 3;
  width: 8px;
  height: 8px;
  border-left: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  opacity: 0.6;
  pointer-events: none;
}
.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--16-9 {
  aspect-ratio: 16 / 9;
}
.media-frame--4-3 {
  aspect-ratio: 4 / 3;
}
.media-frame--3-2 {
  aspect-ratio: 3 / 2;
}
.media-frame--full {
  aspect-ratio: 21 / 9;
}
.breadcrumb {
  padding: var(--s-3) 0;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  font-size: 13px;
  color: var(--c-text-dim);
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.breadcrumb li + li::before {
  content: "/";
  font-family: var(--font-data);
  color: var(--c-grid);
}
.breadcrumb a {
  color: var(--c-accent);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--c-accent-2);
}
.breadcrumb [aria-current="page"] {
  color: var(--c-text);
  font-weight: 600;
}
.data-panel {
  font-family: var(--font-data);
  background: var(--c-bg);
  border: 1px solid var(--c-grid);
  border-radius: 2px;
}
.data-panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-2) var(--s-3);
  border-bottom: 1px solid var(--c-grid);
}
.data-panel__row:last-child {
  border-bottom: none;
}
.data-panel__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-text-dim);
}
.data-panel__value {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-accent);
}
.site-footer {
  position: relative;
  flex-shrink: 0;
  margin-top: var(--s-7);
  background:
    linear-gradient(rgba(16, 26, 46, 0.92), rgba(16, 26, 46, 0.92)),
    linear-gradient(var(--c-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-grid) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  border-top: 1px solid var(--c-grid);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent-2) 45%, transparent 85%);
  opacity: 0.85;
}
.site-footer__inner {
  width: min(100% - 2 * var(--content-pad), var(--content-w));
  margin-inline: auto;
  padding: var(--s-6) 0 var(--s-4);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: var(--s-5);
  margin-bottom: var(--s-5);
}
.site-footer__col {
  min-width: 0;
}
.site-footer__brand {
  display: block;
}
.brand--footer .brand__mark {
  width: 42px;
  height: 42px;
}
.brand--footer .brand__mark::after {
  font-size: 19px;
}
.brand--footer .brand__name strong {
  font-size: 22px;
}
.site-footer__desc {
  margin-top: var(--s-3);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}
.site-footer__trust {
  margin-top: var(--s-3);
  padding: var(--s-2) var(--s-3);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-dim);
  background: rgba(0, 229, 255, 0.06);
  border-left: 3px solid var(--c-accent);
}
.site-footer__heading {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: var(--s-3);
  position: relative;
  padding-bottom: var(--s-1);
}
.site-footer__heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--c-accent-2);
  opacity: 0.7;
}
.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.site-footer__link {
  font-size: 14px;
  color: var(--c-text-dim);
  transition:
    color 0.3s var(--ease),
    padding-left 0.3s var(--ease);
}
.site-footer__link:hover {
  color: var(--c-accent);
  padding-left: 5px;
}
.site-footer__contact li {
  display: flex;
  gap: var(--s-2);
  padding: var(--s-1) 0;
  align-items: baseline;
}
.site-footer__contact-label {
  flex-shrink: 0;
  min-width: 42px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-text-dim);
}
.site-footer__contact-value {
  font-size: 14px;
  color: var(--c-text);
  word-break: break-all;
}
.site-footer__hours {
  margin-top: var(--s-2);
  font-size: 12px;
  font-family: var(--font-data);
  color: var(--c-text-dim);
}
.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-grid);
}
.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
}
.site-footer__legal .site-footer__link {
  font-size: 13px;
}
.site-footer__copyright {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-text-dim);
}
.back-to-top {
  position: fixed;
  right: var(--s-5);
  bottom: var(--s-5);
  z-index: 950;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: var(--c-accent-2);
  border-radius: 50%;
  box-shadow: 0 6px 28px rgba(163, 255, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition:
    opacity 0.35s var(--ease),
    transform 0.35s var(--ease),
    visibility 0s linear 0.35s;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity 0.35s var(--ease),
    transform 0.35s var(--ease),
    visibility 0s;
}
.back-to-top:hover {
  box-shadow: 0 8px 36px rgba(163, 255, 0, 0.45);
  transform: translateY(-3px);
}
.back-to-top__icon {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-top: 3px solid var(--c-bg);
  border-right: 3px solid var(--c-bg);
  transform: rotate(-45deg);
  margin-top: 4px;
}
.js [data-reveal] {
  opacity: 0;
  transform: translateX(-24px) skewX(-6deg) scale(0.98);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.js [data-reveal="right"] {
  transform: translateX(24px) skewX(6deg) scale(0.98);
}
.js [data-reveal].is-revealed,
.js [data-reveal="right"].is-revealed {
  opacity: 1;
  transform: none;
}
@media (max-width: 1080px) {
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    width: min(380px, 88vw);
    margin: 0;
    padding: calc(var(--header-h) + var(--s-5)) var(--s-5) var(--s-5);
    background: var(--c-surface);
    border-left: 1px solid var(--c-grid);
    box-shadow: -16px 0 48px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition:
      transform var(--speed) var(--ease),
      visibility 0s linear var(--speed);
  }
  .site-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
    transition:
      transform var(--speed) var(--ease),
      visibility 0s;
  }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav__link {
    padding: 16px 12px;
    font-size: 17px;
    border-bottom: 1px solid var(--c-grid);
  }
  .site-nav__link::after {
    display: none;
  }
  .site-nav__link[aria-current="page"] {
    background: rgba(0, 229, 255, 0.08);
    border-left: 3px solid var(--c-accent);
    padding-left: 9px;
  }
  .nav-toggle {
    display: flex;
  }
  .header-badge {
    margin-left: auto;
  }
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-4);
  }
  .site-footer__col--brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 768px) {
  :root {
    --header-h: 62px;
    --content-pad: 18px;
    --s-5: 40px;
    --s-6: 56px;
  }
  .header-badge {
    display: none;
  }
  .site-header__inner {
    gap: var(--s-2);
  }
  .brand__name small {
    font-size: 9px;
  }
  .grid {
    gap: var(--s-3);
  }
  .g-3,
  .g-4,
  .g-6,
  .g-8 {
    grid-column: span 12;
  }
  .section__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-2);
  }
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
  .site-footer__meta {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-footer__legal {
    gap: var(--s-2) var(--s-3);
  }
  .back-to-top {
    right: var(--s-3);
    bottom: var(--s-3);
    width: 46px;
    height: 46px;
  }
  .site-footer {
    margin-top: var(--s-6);
  }
}
@media (max-width: 480px) {
  .brand__name strong {
    font-size: 17px;
  }
  .brand__mark {
    width: 32px;
    height: 32px;
  }
  .nav-toggle {
    width: 40px;
    height: 40px;
  }
  .site-footer__inner {
    padding-top: var(--s-5);
  }
}
:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 2px;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .js [data-reveal],
  .js [data-reveal="right"] {
    opacity: 1;
    transform: none;
  }
}