:root {
  color-scheme: dark;
  --ink: #041613;
  --deep: #07251F;
  --tactical: #0D3A30;
  --line: #1C4C40;
  --cyan: #35F2C9;
  --cyan-soft: #A6FFF0;
  --orange: #FF7A3C;
  --paper: #F4FAF7;
  --muted: #8FAFA4;
  --teal-dark: #0A5C4C;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.24);
  --shadow-line: 0 0 0 1px rgba(53, 242, 201, 0.16);
  --header-h: 72px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.nav-open {
  overflow: hidden;
}
img,
svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin-block: 0;
}
ul[class],
ol[class] {
  margin: 0;
  padding: 0;
  list-style: none;
}
:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}
::selection {
  background: var(--cyan);
  color: var(--ink);
}
.skip-link {
  position: absolute;
  left: 16px;
  top: 8px;
  z-index: 2000;
  padding: 10px 14px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 800;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}
.skip-link:focus {
  transform: translateY(0);
}
.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;
}
.section-shell,
.header-shell,
.footer-shell {
  width: min(100% - 32px, 1440px);
  margin-inline: auto;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  color: var(--paper);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}
.site-header[data-scrolled],
.site-header[data-nav-open] {
  background: var(--ink);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}
.header-shell {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 22px;
  padding-block: 10px;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--paper);
}
.brand-mark {
  position: relative;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid var(--cyan);
  background:
    linear-gradient(135deg, transparent 0 42%, var(--cyan) 42% 46%, transparent 46% 58%, var(--orange) 58% 62%, transparent 62% 100%),
    var(--deep);
  box-shadow: inset 0 0 0 4px rgba(53, 242, 201, 0.06);
}
.brand-mark::after {
  content: "";
  position: absolute;
  right: 5px;
  top: 5px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.1;
}
.brand-name {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand-slogan {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  position: relative;
  align-items: center;
  margin-left: auto;
  min-height: 42px;
  padding: 0 12px 0 38px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line);
}
.nav-toggle-line {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 2px;
  background: var(--cyan);
}
.nav-toggle-line:first-of-type {
  top: 14px;
}
.nav-toggle-line:nth-of-type(2) {
  top: 20px;
}
.nav-toggle-label {
  font-size: 13px;
  font-weight: 700;
}
.site-header[data-nav-open] .nav-toggle-line:first-of-type {
  transform: translateY(3px) rotate(45deg);
}
.site-header[data-nav-open] .nav-toggle-line:nth-of-type(2) {
  transform: translateY(-3px) rotate(-45deg);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 10px;
  color: var(--paper);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.nav-link:hover {
  color: var(--cyan-soft);
}
.nav-link[aria-current="page"] {
  color: var(--cyan);
  border-color: var(--line);
  background: rgba(53, 242, 201, 0.06);
}
.nav-link[aria-current="page"]::after {
  content: "";
  width: 5px;
  height: 5px;
  margin-left: 7px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.nav-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-search {
  position: relative;
  min-width: 220px;
}
.site-search::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 12px;
  height: 12px;
  border: 1px solid var(--muted);
  border-radius: 50%;
  transform: translateY(-50%);
}
.site-search::after {
  content: "";
  position: absolute;
  left: 22px;
  top: calc(50% + 5px);
  width: 7px;
  height: 1px;
  background: var(--muted);
  transform: rotate(45deg);
  transform-origin: left center;
}
.site-search__input {
  width: 100%;
  min-height: 42px;
  padding: 0 12px 0 34px;
  color: var(--paper);
  background: rgba(7, 37, 31, 0.76);
  border: 1px solid var(--line);
  border-radius: 2px;
  outline: none;
}
.site-search__input::placeholder {
  color: var(--muted);
}
.site-search__input:focus-visible {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 201, 0.18);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn--accent {
  color: #1B0E07;
  background: var(--orange);
  border-color: var(--orange);
}
.btn--accent:hover {
  background: #FF905D;
  border-color: #FF905D;
}
.btn--outline {
  color: var(--cyan);
  border-color: var(--cyan);
}
.btn--outline:hover {
  background: rgba(53, 242, 201, 0.1);
}
.btn--quiet {
  color: var(--muted);
  border-color: transparent;
}
.btn--quiet:hover {
  color: var(--paper);
}
.btn[disabled] {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}
.breadcrumbs {
  margin-block: 24px;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
}
.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.breadcrumb-link {
  color: var(--muted);
}
.breadcrumb-link:hover {
  color: var(--cyan);
}
.breadcrumb-current {
  color: var(--paper);
}
.prose {
  max-width: 68ch;
  color: var(--paper);
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.75;
}
.prose > * + * {
  margin-top: 1.1em;
}
.prose h2 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.prose h3 {
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--cyan-soft);
}
.prose a {
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
}
.prose a:hover {
  border-bottom-color: var(--cyan);
}
.prose ul,
.prose ol {
  padding-left: 1.4em;
}
.prose li + li {
  margin-top: 0.5em;
}
.prose strong {
  color: var(--cyan-soft);
}
.prose code {
  padding: 0.15em 0.35em;
  color: var(--cyan);
  background: var(--deep);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
}
.grid {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
}
.grid-12 {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }
.stack {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
}
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.panel {
  background: var(--tactical);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.panel--deep {
  background: var(--deep);
}
.panel--flat {
  box-shadow: none;
}
.panel-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
.panel-body {
  padding: 20px;
}
.panel-kicker {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--cyan);
}
.status-dot--idle {
  background: var(--muted);
  box-shadow: none;
}
.status-dot--warm {
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 122, 60, 0.8);
}
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-chip {
  min-height: 36px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}
.filter-chip:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}
.filter-chip[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}
.data-table caption {
  padding: 0 0 12px;
  color: var(--muted);
  text-align: left;
}
.data-table th,
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.data-table th {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.data-table tr:nth-child(even) td {
  background: rgba(10, 92, 76, 0.22);
}
.data-table .num {
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  text-align: right;
}
.accordion {
  border-top: 1px solid var(--line);
}
.accordion-item {
  border-bottom: 1px solid var(--line);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  color: var(--paper);
  background: transparent;
  border: 0;
  font-weight: 800;
  text-align: left;
}
.accordion-trigger::after {
  content: "+";
  color: var(--cyan);
  font-family: var(--font-mono);
}
.accordion-trigger[aria-expanded="true"]::after {
  content: "–";
}
.accordion-panel {
  padding: 0 0 20px;
  color: var(--muted);
}
.accordion-panel[hidden] {
  display: none;
}
.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.anchor-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  color: var(--muted);
  border: 1px solid var(--line);
  font-size: 13px;
}
.anchor-link:hover,
.anchor-link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
}
.theme-band {
  padding: clamp(24px, 4vw, 44px) 0;
  background: linear-gradient(90deg, var(--deep), var(--ink) 46%, var(--deep));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--tactical);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(115deg, transparent 0 42%, rgba(53, 242, 201, 0.08) 42% 43%, transparent 43% 100%);
  pointer-events: none;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
}
.media-frame--wide {
  aspect-ratio: 16 / 9;
}
.media-frame--tall {
  aspect-ratio: 3 / 4;
}
.media-frame--square {
  aspect-ratio: 1;
}
.media-frame--screen {
  max-width: 320px;
  aspect-ratio: 9 / 19;
}
.media-caption {
  margin-top: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.rail-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  width: min(100% - 32px, 1440px);
  margin-inline: auto;
}
.brand-rail {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  align-self: start;
  display: grid;
  gap: 24px;
  padding: 20px 0;
  border-right: 1px solid var(--line);
}
.rail-nav {
  display: grid;
  gap: 6px;
}
.rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding-left: 12px;
  color: var(--muted);
  border-left: 2px solid transparent;
  font-size: 14px;
}
.rail-link:hover,
.rail-link[aria-current="page"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}
.rail-status {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
}
.main-column {
  min-width: 0;
}
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.36s ease, transform 0.36s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.site-footer {
  padding: clamp(48px, 8vw, 96px) 0 24px;
  background: var(--deep);
  border-top: 1px solid var(--line);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(280px, 1.1fr) minmax(0, 1.6fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}
.footer-brand {
  display: grid;
  gap: 18px;
}
.brand-lockup--footer .brand-mark {
  width: 42px;
  height: 42px;
}
.footer-intro {
  max-width: 42ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.footer-group-title {
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.footer-links {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-link {
  color: var(--paper);
  border-bottom: 1px solid transparent;
  font-size: 14px;
}
.footer-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--line);
}
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.contact-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.contact-label {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.contact-value {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
}
.footer-note {
  max-width: 80ch;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding-top: 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 12px;
}
.footer-legal {
  font-family: var(--font-mono);
}
.footer-icp {
  color: var(--muted);
}
.footer-path {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-path .footer-link {
  color: var(--muted);
  font-size: 12px;
}
.footer-path .footer-link:hover {
  color: var(--cyan);
}
@media (max-width: 960px) {
  .header-shell {
    min-height: 64px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    max-height: calc(100vh - 84px);
    padding: 18px;
    overflow: auto;
    background: var(--deep);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
  }
  .site-nav[data-open] {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav-link {
    min-height: 46px;
    border-bottom: 1px solid rgba(28, 76, 64, 0.7);
  }
  .nav-link[aria-current="page"] {
    border-bottom-color: var(--cyan);
  }
  .nav-meta {
    flex-direction: column;
    align-items: stretch;
  }
  .site-search {
    min-width: 0;
  }
  .site-nav .btn {
    width: 100%;
  }
  .grid-12 .col-3,
  .grid-12 .col-4,
  .grid-12 .col-5,
  .grid-12 .col-6,
  .grid-12 .col-7,
  .grid-12 .col-8 {
    grid-column: span 6;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .rail-layout {
    grid-template-columns: 1fr;
  }
  .brand-rail {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}
@media (max-width: 640px) {
  .brand-slogan {
    display: none;
  }
  .grid-12 .col-3,
  .grid-12 .col-4,
  .grid-12 .col-5,
  .grid-12 .col-6,
  .grid-12 .col-7,
  .grid-12 .col-8,
  .grid-12 .col-12 {
    grid-column: span 12;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
  }
  .footer-contact {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}