:root {
  color-scheme: dark;
  --ink-950: #070E1A;
  --ink-900: #0B1626;
  --panel: #122238;
  --line: #1B3350;
  --cyan: #35E0D0;
  --cyan-soft: #7DF3E8;
  --amber: #F2B44B;
  --text: #E8EEF5;
  --muted: #93A4BC;
  --glass: rgba(232, 238, 245, 0.08);
  --glass-strong: rgba(18, 34, 56, 0.82);
  --shadow-deep: #0E2A33;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --max: 1280px;
  --gutter: clamp(18px, 4vw, 56px);
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--ink-950);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(16px, 0.8vw + 13px, 17px);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 86% 5%, rgba(53, 224, 208, 0.13), transparent 30%),
    radial-gradient(circle at 15% 12%, rgba(242, 180, 75, 0.05), transparent 24%),
    radial-gradient(circle at 50% 110%, rgba(14, 42, 51, 0.55), transparent 48%),
    linear-gradient(180deg, #07101d 0%, var(--ink-950) 55%, #060d17 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.52;
  background-image:
    linear-gradient(rgba(53, 224, 208, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 224, 208, 0.032) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.78), transparent 82%);
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  margin-bottom: 0.45em;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 1.03;
}

h2 {
  margin-bottom: 0.55em;
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
}

h3 {
  margin-bottom: 0.5em;
  font-size: 1.25rem;
  line-height: 1.35;
}

p {
  margin-bottom: 1.2em;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  color: inherit;
}

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

ul,
ol {
  margin-top: 0;
  padding-left: 1.2em;
}

::selection {
  background: var(--cyan);
  color: var(--ink-950);
}

:where(a, button, summary, input, textarea, select):focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 3px;
}

.mono-label,
code,
kbd,
samp {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 50%;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  color: var(--ink-950);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
  transform: translate(-50%, -150%);
  transition: transform 0.2s var(--ease-out);
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

.read-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: 2px;
  pointer-events: none;
  background: transparent;
}

.read-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  box-shadow: 0 0 14px rgba(53, 224, 208, 0.5);
  transition: width 0.1s linear;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: clamp(12px, 2vw, 22px) var(--gutter);
  pointer-events: none;
  transition: padding-top 0.28s var(--ease-out);
}

.header-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  width: min(100%, 1440px);
  margin: 0 auto;
  pointer-events: auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-width: max-content;
  color: var(--text);
}

.brand-mark {
  position: relative;
  width: 38px;
  aspect-ratio: 1;
  flex: 0 0 auto;
  border: 1px solid rgba(53, 224, 208, 0.66);
  background: linear-gradient(135deg, rgba(53, 224, 208, 0.22), rgba(53, 224, 208, 0));
  box-shadow: inset 0 0 16px rgba(53, 224, 208, 0.16), 0 0 22px rgba(53, 224, 208, 0.08);
  transform: rotate(45deg);
}

.brand-mark > span {
  position: absolute;
  inset: 9px;
  border: 1px solid var(--cyan-soft);
  background: rgba(53, 224, 208, 0.2);
}

.brand-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px rgba(242, 180, 75, 0.8);
  transform: translate(-50%, -50%);
}

.brand-type {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-size: clamp(1rem, 1.25vw, 1.08rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  white-space: nowrap;
}

.brand-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--amber);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

.brand-kicker {
  overflow: hidden;
  max-width: 12ch;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
  transition: opacity 0.22s ease, max-width 0.22s ease;
}

.primary-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  padding: 6px;
  border: 1px solid rgba(53, 224, 208, 0.16);
  border-radius: var(--radius-pill);
  background: var(--glass);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(232, 238, 245, 0.06);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s var(--ease-out), backdrop-filter 0.25s ease;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  color: rgba(232, 238, 245, 0.76);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease;
}

.nav-list a:hover {
  background: rgba(53, 224, 208, 0.08);
  color: var(--cyan-soft);
}

.nav-list a[aria-current="page"] {
  background: var(--cyan);
  color: var(--ink-950);
  box-shadow: 0 0 18px rgba(53, 224, 208, 0.24);
}

.nav-list a[aria-current="page"]::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px rgba(242, 180, 75, 0.8);
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, transform 0.18s var(--ease-out);
}

.action-link:hover {
  transform: translateY(-1px);
}

.action-link--ghost {
  border: 1px solid rgba(232, 238, 245, 0.16);
  background: rgba(232, 238, 245, 0.04);
  color: var(--text);
}

.action-link--ghost:hover {
  border-color: rgba(53, 224, 208, 0.48);
  color: var(--cyan-soft);
}

.action-link--solid {
  border: 1px solid var(--cyan);
  background: var(--cyan);
  color: var(--ink-950);
  box-shadow: 0 10px 28px rgba(53, 224, 208, 0.16);
}

.action-link--solid:hover {
  background: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(232, 238, 245, 0.18);
  border-radius: var(--radius-pill);
  background: rgba(11, 22, 38, 0.76);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.nav-toggle:hover {
  border-color: rgba(53, 224, 208, 0.48);
  color: var(--cyan-soft);
}

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bars span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform-origin: center;
  transition: transform 0.2s var(--ease-out);
}

.nav-toggle-text {
  line-height: 1;
}

.utility-rail {
  position: fixed;
  top: 50%;
  right: clamp(8px, 1.2vw, 18px);
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  pointer-events: auto;
  transform: translateY(-50%);
}

.utility-rail__label {
  margin-bottom: 4px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  writing-mode: vertical-rl;
}

.utility-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 7px;
  border: 1px solid rgba(53, 224, 208, 0.16);
  border-radius: var(--radius-pill);
  background: rgba(11, 22, 38, 0.72);
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s var(--ease-out);
}

.utility-chip:hover {
  border-color: rgba(53, 224, 208, 0.5);
  color: var(--cyan-soft);
  transform: translateX(-2px);
}

.utility-chip__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px rgba(242, 180, 75, 0.75);
}

.site-header[data-condensed] {
  padding-top: 8px;
}

@media (min-width: 981px) {
  .site-header[data-condensed] .primary-nav {
    border-color: rgba(53, 224, 208, 0.26);
    background: rgba(11, 22, 38, 0.8);
    box-shadow: 0 18px 58px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(232, 238, 245, 0.08);
    transform: scale(0.97);
    backdrop-filter: blur(26px) saturate(1.3);
    -webkit-backdrop-filter: blur(26px) saturate(1.3);
  }

  .site-header[data-condensed] .brand-kicker {
    max-width: 0;
    opacity: 0;
  }
}

.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(80px, 12vw, 160px);
  background:
    radial-gradient(circle at 82% 0%, rgba(53, 224, 208, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(11, 22, 38, 0.35), var(--ink-900) 14%, #081321 100%);
  color: var(--text);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.46;
  background-image:
    linear-gradient(rgba(53, 224, 208, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 224, 208, 0.035) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 75%);
}

.footer-beacon {
  position: relative;
  z-index: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(53, 224, 208, 0.15) 14%, var(--cyan) 48%, rgba(242, 180, 75, 0.72) 72%, transparent 100%);
  background-size: 200% 100%;
  box-shadow: 0 0 24px rgba(53, 224, 208, 0.36);
  animation: signalSweep 9s linear infinite;
}

.footer-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(240px, 1.15fr) minmax(320px, 1.6fr) minmax(260px, 1fr);
  gap: clamp(32px, 6vw, 80px);
  width: min(100% - var(--gutter) * 2, var(--max));
  margin: 0 auto;
  padding-block: clamp(48px, 7vw, 88px) clamp(28px, 4vw, 48px);
}

.footer-brand {
  min-width: 0;
}

.brand-lockup--footer {
  gap: 0.9rem;
}

.footer-tagline {
  max-width: 32ch;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.footer-signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 8px 12px;
  border: 1px solid rgba(53, 224, 208, 0.16);
  border-radius: var(--radius-pill);
  background: rgba(53, 224, 208, 0.06);
}

.signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(53, 224, 208, 0.8);
  animation: signalPulse 2.4s ease-in-out infinite;
}

.footer-signal .mono-label {
  color: var(--cyan-soft);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 34px);
  min-width: 0;
}

.footer-column {
  min-width: 0;
}

.footer-column-title,
.footer-contact-title {
  margin: 0 0 16px;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.4;
}

.footer-links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  display: inline-block;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.55;
  transition: color 0.18s ease, transform 0.18s var(--ease-out);
}

.footer-links a:hover {
  color: var(--cyan-soft);
  transform: translateX(2px);
}

.footer-contact {
  min-width: 0;
  padding-left: clamp(20px, 3vw, 36px);
  border-left: 1px solid var(--line);
}

.footer-contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-contact-item {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.footer-contact-label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.footer-contact-value {
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.footer-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.75;
}

.footer-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  width: min(100% - var(--gutter) * 2, var(--max));
  margin: 0 auto;
  padding: 22px 0 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

.footer-copy,
.footer-icp {
  margin: 0;
}

.footer-icp {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal a {
  color: var(--muted);
  transition: color 0.18s ease;
}

.footer-legal a:hover {
  color: var(--cyan-soft);
}

.page-shell {
  width: min(100% - var(--gutter) * 2, var(--max));
  margin-inline: auto;
  padding-block: clamp(112px, 16vh, 168px) clamp(72px, 10vw, 120px);
}

.editorial-grid {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
  align-items: start;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.content-grid--asym {
  grid-template-columns: minmax(0, 8fr) minmax(240px, 4fr);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.38fr);
  gap: clamp(20px, 4vw, 56px);
  align-items: end;
  margin-bottom: clamp(28px, 5vw, 56px);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(53, 224, 208, 0.46);
}

.display-title {
  margin: 0 0 0.4em;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.lede {
  max-width: 68ch;
  margin: 0 0 1.25em;
  color: var(--muted);
  font-size: clamp(1rem, 0.5vw + 0.9rem, 1.125rem);
  line-height: 1.8;
}

.annotation {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-orientation: mixed;
  writing-mode: vertical-rl;
}

.prose {
  max-width: 72ch;
}

.prose > :last-child {
  margin-bottom: 0;
}

.prose strong {
  color: var(--cyan-soft);
  font-weight: 700;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
  list-style: none;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  color: var(--line);
}

.breadcrumbs a {
  color: var(--muted);
  transition: color 0.18s ease;
}

.breadcrumbs a:hover {
  color: var(--cyan-soft);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--panel);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  cursor: pointer;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, transform 0.18s var(--ease-out);
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink-950);
  box-shadow: 0 12px 30px rgba(53, 224, 208, 0.15);
}

.button--primary:hover {
  border-color: var(--cyan-soft);
  background: var(--cyan-soft);
}

.button--ghost {
  border-color: rgba(232, 238, 245, 0.22);
  background: transparent;
}

.button--ghost:hover {
  border-color: rgba(53, 224, 208, 0.5);
  color: var(--cyan-soft);
}

.button--amber {
  border-color: var(--amber);
  background: var(--amber);
  color: var(--ink-950);
}

.button--amber:hover {
  border-color: #ffd27d;
  background: #ffd27d;
}

.card {
  min-width: 0;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16);
}

.card--glass {
  border-color: rgba(53, 224, 208, 0.16);
  background: var(--glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.status-panel {
  display: grid;
  gap: 16px;
  min-width: 0;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(53, 224, 208, 0.18);
  border-radius: var(--radius-lg);
  background: rgba(11, 22, 38, 0.78);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(232, 238, 245, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--line);
}

.stat {
  min-width: 0;
  padding: 18px 20px;
  background: var(--ink-900);
}

.stat__value {
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
  letter-spacing: 0.02em;
}

.stat__label {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.image-frame {
  position: relative;
  isolation: isolate;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(circle at 70% 20%, rgba(53, 224, 208, 0.18), transparent 42%),
    linear-gradient(140deg, var(--panel), var(--ink-950));
  box-shadow: inset 0 1px 0 rgba(232, 238, 245, 0.06), 0 30px 80px rgba(0, 0, 0, 0.2);
}

.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(53, 224, 208, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 224, 208, 0.08) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 34%, rgba(53, 224, 208, 0.1) 48%, transparent 62%);
}

.image-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-frame--wide {
  aspect-ratio: 21 / 9;
}

.image-frame--tall {
  aspect-ratio: 4 / 5;
}

.image-frame--square {
  aspect-ratio: 1 / 1;
}

.media-caption {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  line-height: 1.65;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.52s var(--ease-out), transform 0.52s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@keyframes signalSweep {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes signalPulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@media (max-width: 1120px) {
  .brand-kicker {
    display: none;
  }

  .nav-list a {
    padding-inline: 9px;
    font-size: 0.78rem;
  }

  .header-actions .action-link--ghost {
    display: none;
  }

  .utility-rail {
    display: none;
  }
}

@media (max-width: 980px) {
  .site-header {
    padding-inline: var(--gutter);
  }

  .header-shell {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 10px;
  }

  .brand-lockup {
    order: 1;
  }

  .header-actions {
    order: 2;
  }

  .nav-toggle {
    display: inline-flex;
    order: 3;
  }

  .site-header[data-open]::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: auto;
    background: rgba(7, 14, 26, 0.78);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
  }

  .primary-nav {
    position: fixed;
    top: auto;
    right: var(--gutter);
    bottom: calc(var(--gutter) + env(safe-area-inset-bottom, 0px));
    left: var(--gutter);
    z-index: 3;
    display: block;
    padding: 12px;
    border-radius: 24px;
    border-color: rgba(53, 224, 208, 0.24);
    background: rgba(11, 22, 38, 0.96);
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transform: translateY(calc(100% + 32px));
    transition: transform 0.32s var(--ease-out), opacity 0.24s ease;
    backdrop-filter: blur(26px) saturate(1.25);
    -webkit-backdrop-filter: blur(26px) saturate(1.25);
  }

  .site-header[data-open] .primary-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

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

  .nav-list a {
    justify-content: space-between;
    min-height: 50px;
    padding: 0 18px;
    border-radius: 14px;
    font-size: 1rem;
  }

  .nav-list a[aria-current="page"]::after {
    margin-left: auto;
  }

  .site-header[data-open] .nav-toggle {
    border-color: var(--cyan);
    background: var(--cyan);
    color: var(--ink-950);
  }

  .site-header[data-open] .nav-toggle-bars span:first-child {
    transform: translateY(2.75px) rotate(45deg);
  }

  .site-header[data-open] .nav-toggle-bars span:last-child {
    transform: translateY(-2.75px) rotate(-45deg);
  }

  .site-header[data-condensed] {
    padding-top: clamp(10px, 2vw, 16px);
  }

  .editorial-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .editorial-grid .annotation {
    writing-mode: horizontal-tb;
  }

  .content-grid--asym {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-header {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 1100px) {
  .footer-shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }

  .footer-contact {
    grid-column: 1 / -1;
    padding-top: 28px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .footer-contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }

  .footer-note {
    grid-column: 1 / -1;
    max-width: 72ch;
  }
}

@media (max-width: 760px) {
  body::after {
    background-size: 48px 48px;
  }

  .footer-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-contact-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-bottom: 40px;
  }

  .footer-legal {
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .brand-mark {
    width: 32px;
  }

  .brand-mark > span {
    inset: 7px;
  }

  .brand-name {
    font-size: 0.96rem;
  }

  .brand-badge {
    font-size: 0.58rem;
  }

  .action-link--solid {
    padding-inline: 11px;
    font-size: 0.76rem;
  }

  .nav-toggle {
    padding-inline: 11px;
    font-size: 0.76rem;
  }

  .footer-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .stat-strip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .footer-beacon,
  .signal-dot {
    animation: none;
  }

  .read-progress span {
    transition: none;
  }
}