:root {
  --bg: #000000;
  --bg-soft: #050505;
  --bg-elevated: #0a0a0a;
  --panel: #0d0d0d;
  --panel-2: #111111;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --ink: #ffffff;
  --muted: #a2a2a2;
  --muted-strong: #c8c8c8;
  --accent: #a8bddb;
  --accent-strong: #d8e3f2;
  --tech: #2f8dff;
  --tech-soft: #6ec9ff;
  --danger: #ef6177;
  --success: #78d04b;
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shell: min(1220px, calc(100vw - 32px));
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(47, 141, 255, 0.16), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(168, 189, 219, 0.1), transparent 18%),
    linear-gradient(180deg, #000000 0%, #020202 40%, #000000 100%);
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.35;
  pointer-events: none;
}

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

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

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header.is-solid {
  background: rgba(0, 0, 0, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-copy small {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 6px 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 160ms ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: #ffffff;
}

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

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.header-cta,
.btn-primary {
  background: linear-gradient(135deg, rgba(146, 176, 219, 0.94), rgba(108, 149, 204, 0.88));
  color: #04111f;
  box-shadow: 0 12px 28px rgba(108, 149, 204, 0.22);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  color: #ffffff;
}

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

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  margin-left: auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  padding: 11px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #ffffff;
  border-radius: 999px;
}

.hero-home,
.page-hero {
  position: relative;
  padding: 34px 0 10px;
}

.hero-home::after,
.page-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 189, 219, 0.34), transparent);
}

.hero-grid,
.page-hero-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.home-page .hero-grid {
  max-width: 880px;
  margin: 0 auto;
  grid-template-columns: 1fr;
}

.hero-copy,
.hero-panel,
.page-hero-copy,
.page-hero-meta,
.metric-card,
.feature-card,
.channel-card,
.content-card,
.story-card,
.contact-grid,
.article-main,
.article-aside,
.aside-card,
.meta-chip,
.contact-copy,
.lead-form,
.footer-top,
.visual-card,
.diagram-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.page-hero-copy,
.page-hero-meta,
.article-main,
.article-aside,
.contact-copy,
.lead-form,
.visual-card,
.diagram-card {
  border-radius: var(--radius-xl);
  padding: 30px 24px;
}

.hero-copy,
.hero-panel,
.page-hero-copy,
.page-hero-meta {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
}

.hero-copy {
  text-align: center;
}

.home-page .hero-copy {
  text-align: center;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(168, 189, 219, 0.18);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

h1 {
  margin-top: 18px;
  font-size: clamp(2.3rem, 6.8vw, 4.8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.58rem, 4.5vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

h3 {
  font-size: clamp(1.12rem, 3.8vw, 1.6rem);
  font-weight: 800;
}

.hero-lead,
.page-summary,
.story-summary,
.article-body p,
.section-body p,
.content-card p,
.feature-card p,
.channel-card p,
.contact-copy p,
.visual-copy p {
  color: var(--muted);
}

.hero-lead {
  max-width: 860px;
  margin: 18px auto 0;
  font-size: 1rem;
}

.hero-actions,
.hero-brief,
.metric-grid,
.card-grid,
.footer-links,
.contact-stack,
.article-switch,
.hero-signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  justify-content: center;
  margin-top: 22px;
}

.hero-brief {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-brief div {
  min-width: 0;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--panel-2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  text-align: left;
}

.hero-brief strong {
  display: block;
  margin-bottom: 6px;
  color: #ffffff;
  font-size: 0.95rem;
}

.hero-brief span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.home-page .hero-brief div {
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 0;
  padding: 14px 0;
  text-align: center;
}

.hero-panel-tech {
  display: grid;
  gap: 18px;
}

.tech-visual {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(180deg, #050505, #0a0a0a);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.tech-visual-core {
  min-height: 360px;
}

.tech-grid,
.machine-lines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(47, 141, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 141, 255, 0.14) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.26;
}

.tech-orbit,
.tech-core,
.tech-beam,
.machine-eye,
.machine-core,
.machine-shell {
  position: absolute;
}

.tech-orbit {
  top: 50%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  transform: translateY(-50%);
  border: 1px solid rgba(110, 201, 255, 0.2);
  box-shadow: 0 0 42px rgba(47, 141, 255, 0.16);
}

.tech-orbit::before {
  content: "";
  position: absolute;
  inset: 26px;
  border-radius: 50%;
  border: 1px solid rgba(110, 201, 255, 0.14);
}

.tech-orbit-left {
  left: calc(50% - 210px);
}

.tech-orbit-right {
  right: calc(50% - 210px);
}

.tech-core {
  top: 50%;
  left: 50%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.98) 0%, rgba(110, 201, 255, 0.92) 14%, rgba(47, 141, 255, 0.55) 32%, rgba(0, 0, 0, 0.08) 52%, rgba(47, 141, 255, 0.26) 68%, rgba(0, 0, 0, 0) 76%);
  box-shadow: 0 0 60px rgba(47, 141, 255, 0.38);
}

.tech-core::before {
  content: "";
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  border: 8px solid rgba(8, 18, 32, 0.88);
  box-shadow: inset 0 0 28px rgba(0, 0, 0, 0.7);
}

.tech-core::after {
  content: "";
  position: absolute;
  inset: 58px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.96) 0%, rgba(12, 20, 30, 0.88) 70%, rgba(110, 201, 255, 0.2) 100%);
}

.tech-beam {
  top: 50%;
  left: 50%;
  width: 420px;
  height: 10px;
  transform: translate(-50%, -50%);
  background: linear-gradient(90deg, rgba(47, 141, 255, 0) 0%, rgba(110, 201, 255, 0.88) 16%, rgba(255, 255, 255, 0.98) 50%, rgba(110, 201, 255, 0.88) 84%, rgba(47, 141, 255, 0) 100%);
  filter: blur(2px);
}

.tech-caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tech-caption span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.tech-caption strong {
  font-size: 1rem;
}

.hero-signal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal-card {
  padding: 18px;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-top: 2px solid rgba(168, 189, 219, 0.32);
}

.signal-card span {
  display: block;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.signal-card strong {
  display: block;
  margin: 8px 0 8px;
}

.signal-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.signal-card.accent {
  border-top-color: rgba(110, 201, 255, 0.4);
}

.metric-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.impact-section {
  position: relative;
  padding: 12px 0 18px;
}

.impact-section::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: min(860px, calc(100vw - 36px));
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.narrow-column {
  max-width: 920px;
  text-align: center;
}

.impact-title {
  margin-top: 16px;
  font-size: clamp(2rem, 5vw, 3.3rem);
}

.impact-subtitle {
  margin: 10px 0 0;
  color: var(--muted-strong);
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.impact-metrics {
  margin: 22px 0 0;
  color: var(--accent);
  font-size: clamp(1rem, 2.4vw, 1.22rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.impact-copy {
  max-width: 860px;
  margin: 16px auto 0;
  color: var(--muted);
}

.doc-banner-section {
  padding: 10px 0 0;
}

.doc-figure {
  margin: 0;
}

.doc-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

.doc-figure-banner img {
  border-radius: 16px;
}

.metric-card,
.feature-card,
.content-card,
.channel-card {
  border-radius: 22px;
  padding: 22px 18px;
}

.metric-card strong {
  display: block;
  color: var(--accent);
  font-size: 2rem;
  line-height: 1;
}

.metric-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.section-block {
  position: relative;
  padding: 30px 0;
}

.section-block::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

.surface-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0));
}

.two-column {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.section-head {
  text-align: center;
}

.section-head h2 {
  margin-top: 14px;
}

.section-head.compact {
  margin-bottom: 20px;
}

.section-body {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.section-body p {
  margin: 0 0 0.9em;
}

.feature-grid {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.feature-card {
  text-align: left;
  background: transparent;
  border: 0;
  border-left: 2px solid rgba(168, 189, 219, 0.46);
  border-radius: 0;
  box-shadow: none;
  padding: 10px 0 10px 18px;
}

.feature-card h3,
.content-card h3,
.channel-card strong {
  display: block;
  margin-bottom: 8px;
}

.content-card .content-index,
.channel-card span,
.story-card .story-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(168, 189, 219, 0.1);
  border: 1px solid rgba(168, 189, 219, 0.16);
  color: var(--accent);
  font-weight: 800;
}

.channel-card,
.content-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100%;
}

.channel-card a,
.content-card a {
  margin-top: auto;
  color: var(--accent);
  font-weight: 800;
}

.home-page .channel-card,
.home-page .content-card {
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  box-shadow: none;
  padding: 18px 0 16px;
}

.home-page .channel-card span,
.home-page .content-card .content-index {
  display: none;
}

.home-page .channel-card strong,
.home-page .content-card h3 {
  margin-bottom: 2px;
  font-size: 1.1rem;
}

.home-page .channel-card p,
.home-page .content-card p {
  margin: 0;
}

.story-media,
.card-media,
.article-cover {
  margin: 0 0 12px;
}

.story-media img,
.card-media img,
.article-cover img {
  width: 100%;
  display: block;
  border-radius: 12px;
}

.story-media img[src*="nopic.png"],
.card-media img[src*="nopic.png"],
.article-cover img[src*="nopic.png"] {
  display: none;
}

.channel-page .content-card {
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  box-shadow: none;
  padding: 18px 0;
}

.channel-page .card-grid {
  grid-template-columns: 1fr;
  gap: 0;
}

.channel-page .content-card .content-index {
  display: none;
}

.channel-page .content-card .card-media {
  margin-bottom: 10px;
}

.visual-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.visual-card {
  display: grid;
  gap: 18px;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.tech-visual-machine {
  min-height: 320px;
  background:
    linear-gradient(180deg, rgba(3, 9, 22, 0.98), rgba(3, 7, 16, 1));
}

.tech-visual-machine::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(110, 201, 255, 0.12);
  border-radius: 8px;
  pointer-events: none;
}

.tech-visual-machine::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(47, 141, 255, 0), rgba(110, 201, 255, 0.4), rgba(47, 141, 255, 0));
  pointer-events: none;
}

.machine-eye {
  top: 50%;
  left: 24%;
  width: 150px;
  height: 150px;
  transform: translateY(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.92) 0%, rgba(110, 201, 255, 0.96) 16%, rgba(47, 141, 255, 0.54) 34%, rgba(0, 0, 0, 0) 72%);
  box-shadow: 0 0 42px rgba(47, 141, 255, 0.34);
}

.machine-eye::before {
  content: "";
  position: absolute;
  inset: 26px;
  border-radius: 50%;
  border: 8px solid rgba(7, 15, 29, 0.92);
}

.machine-eye::after {
  content: "";
  position: absolute;
  inset: 56px;
  border-radius: 50%;
  background: #070b13;
}

.machine-core {
  top: 50%;
  right: 16%;
  width: 210px;
  height: 210px;
  transform: translateY(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 35%, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0) 18%),
    repeating-linear-gradient(90deg, rgba(52, 69, 86, 0.96) 0 8px, rgba(104, 123, 145, 0.96) 8px 15px),
    conic-gradient(from 0deg, #415468, #7d8fa5, #31485d, #9cb2c7, #4c6074, #415468);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6), 0 0 48px rgba(47, 141, 255, 0.16);
}

.machine-core::before {
  content: "";
  position: absolute;
  inset: 44px;
  border-radius: 50%;
  background:
    conic-gradient(from 0deg, #232f3c, #6d8094, #26323f, #788fa8, #232f3c);
  box-shadow: inset 0 0 16px rgba(0, 0, 0, 0.6);
}

.machine-core::after {
  content: "";
  position: absolute;
  inset: 80px;
  border-radius: 50%;
  background: #111821;
}

.machine-shell {
  top: 50%;
  left: 30%;
  right: 22%;
  height: 10px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(47, 141, 255, 0) 0%, rgba(110, 201, 255, 0.86) 14%, rgba(255, 255, 255, 0.95) 50%, rgba(110, 201, 255, 0.86) 86%, rgba(47, 141, 255, 0) 100%);
  filter: blur(2px);
}

.visual-copy span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.visual-copy strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
}

.visual-copy {
  text-align: center;
  padding: 4px 4px 0;
}

.diagram-shell {
  margin-top: 22px;
}

.diagram-summary {
  max-width: 820px;
  margin: 14px auto 0;
  color: var(--muted-strong);
}

.diagram-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 248, 248, 0.98));
  color: #101010;
  max-width: 860px;
  margin: 18px auto 0;
}

.image-card {
  padding: 10px;
}

.diagram-head span {
  display: inline-block;
  color: #7f7f7f;
  font-size: 0.8rem;
  font-weight: 700;
}

.diagram-head strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
  line-height: 1.35;
}

.diagram-lane {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.diagram-lane:first-of-type {
  margin-top: 18px;
}

.diagram-lane p {
  margin: 0;
  color: #4e4e4e;
}

.diagram-chip {
  min-width: 68px;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}

.chip-pink {
  background: rgba(239, 97, 119, 0.18);
  color: #cb3f56;
}

.chip-yellow {
  background: rgba(168, 189, 219, 0.2);
  color: #526a8a;
}

.chip-blue {
  background: rgba(47, 141, 255, 0.18);
  color: #0b68cf;
}

.chip-green {
  background: rgba(120, 208, 75, 0.18);
  color: #2d7c0f;
}

.chip-dark {
  background: #101010;
  color: #ffffff;
}

.lane-strong p {
  color: #111111;
  font-weight: 700;
}

.page-subtitle {
  margin: 14px 0 0;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 800;
}

.page-summary {
  margin-top: 18px;
}

.page-hero-copy,
.page-hero-meta {
  text-align: center;
}

.page-hero-meta {
  display: grid;
  gap: 0;
  padding-top: 6px;
}

.meta-chip {
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 0;
  box-shadow: none;
  padding: 14px 0;
}

.meta-chip span,
.aside-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.meta-chip strong,
.aside-card strong {
  font-size: 1rem;
}

.storyboard-grid {
  display: grid;
  gap: 14px;
}

.story-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  border-radius: 24px;
  padding: 24px 18px;
}

.channel-page .story-card {
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  box-shadow: none;
  padding: 18px 0;
}

.channel-page .story-number {
  display: none;
}

.channel-page .story-card {
  grid-template-columns: 1fr;
}

.channel-page .page-hero-grid,
.channel-page .storyboard-grid,
.channel-page .card-grid,
.channel-page .article-layout,
.channel-page .contact-grid,
.article-page .page-hero-grid,
.article-page .article-layout,
.article-page .contact-grid {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.story-copy {
  min-width: 0;
}

.story-copy > span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.rich-content h2 {
  margin-top: 1.5em;
  margin-bottom: 0.8em;
  font-size: 1.2rem;
  font-weight: 800;
}

.rich-content h4 {
  margin: 1.25em 0 0.75em;
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
}

.rich-content p {
  margin: 0 0 1em;
}

.rich-content ul {
  margin: 0 0 1.1em;
  padding-left: 1.2em;
  color: var(--muted-strong);
}

.rich-content li {
  margin-bottom: 0.55em;
}

.inline-figure {
  margin: 1.1em 0 1.25em;
}

.inline-figure img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.article-layout {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.doc-image-row {
  padding: 6px 0 10px;
}

.doc-image-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 920px;
  margin: 0 auto;
}

.scenario-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
}

.media-gallery {
  display: grid;
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
}

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

.media-gallery-4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article-main,
.article-aside {
  min-width: 0;
}

.article-body {
  font-size: 0.98rem;
}

.article-cover {
  margin-bottom: 18px;
}

.article-switch {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
}

.article-switch a {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--panel-2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #ffffff;
  font-weight: 700;
}

.article-aside {
  display: grid;
  gap: 14px;
}

.aside-card {
  border-radius: 0;
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
  padding: 18px 0 0;
}

.aside-links {
  display: grid;
  gap: 10px;
}

.aside-links a {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-panel {
  padding: 28px 0 44px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  overflow: visible;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  box-shadow: none;
}

.contact-copy {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 22px 0;
}

.contact-stack {
  margin-top: 22px;
  display: grid;
  gap: 8px;
}

.contact-stack a {
  color: #ffffff;
  font-size: 1.08rem;
  font-weight: 800;
}

.contact-stack p {
  margin: 0;
}

.contact-note {
  margin-top: 16px;
  color: var(--accent);
  font-weight: 800;
}

.contact-stack-structured {
  gap: 18px;
}

.contact-entry {
  display: grid;
  gap: 6px;
}

.contact-label {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-value {
  margin: 0;
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 700;
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: transparent;
  box-shadow: none;
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
  border-radius: 0;
  padding: 22px 0 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  color: #ffffff;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 15px 16px;
  background: #060606;
  color: #ffffff;
  font: inherit;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #6f6f6f;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(108, 149, 204, 0.42);
  box-shadow: 0 0 0 4px rgba(108, 149, 204, 0.1);
}

.site-footer {
  padding: 4px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
  border-radius: 0;
  padding: 22px 0 8px;
}

.footer-top-compact {
  padding-bottom: 0;
}

.footer-branding h3 {
  font-size: 1.6rem;
  font-weight: 900;
}

.footer-branding p,
.footer-branding span,
.footer-contact p {
  color: var(--muted);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
}

.footer-links-compact {
  grid-template-columns: repeat(auto-fit, minmax(92px, max-content));
  justify-content: center;
  gap: 12px 20px;
}

.footer-links a,
.footer-contact a {
  color: #ffffff;
  font-weight: 700;
}

.footer-bottom {
  display: grid;
  gap: 6px;
  padding-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.home-hero-grid,
.home-story-grid,
.case-intro-grid {
  display: grid;
  gap: 20px;
}

.home-hero-grid {
  align-items: center;
}

.home-hero-copy {
  text-align: left;
}

.home-hero-figure,
.home-story-media {
  margin: 0;
}

.home-hero-figure img,
.home-story-media img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.home-story-copy {
  min-width: 0;
}

.home-bullets {
  margin: 1.1em 0 0;
  padding-left: 1.15em;
  color: var(--muted-strong);
}

.home-bullets li {
  margin-bottom: 0.7em;
}

.home-highlight {
  color: var(--accent-strong);
  font-weight: 700;
}

.story-card-article {
  grid-template-columns: 1fr;
  gap: 0;
}

.story-media-frame {
  margin: 18px 0;
}

.story-media-frame img {
  border-radius: 18px;
}

.case-overview {
  max-width: 920px;
  margin: 0 auto;
}

.case-overview-copy {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.case-overview-copy h2 {
  margin-top: 14px;
}

.case-overview-copy-tight {
  margin-top: 18px;
}

.case-intro-grid {
  margin-top: 24px;
}

.case-intro-grid .doc-figure img {
  border-radius: 18px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 860px) {
  .hero-copy,
  .page-hero-copy,
  .page-hero-meta,
  .section-head,
  .section-body {
    text-align: left;
  }

  .hero-copy {
    padding-right: 14px;
  }

  .hero-panel {
    padding-left: 14px;
  }

  .page-hero-grid,
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: stretch;
  }

  .two-column {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .hero-actions {
    justify-content: flex-start;
  }

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

  .hero-lead {
    margin-left: 0;
  }

  .home-page .hero-copy {
    text-align: center;
    padding-right: 0;
  }

  .home-page .hero-actions {
    justify-content: center;
  }

  .metric-grid,
  .card-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .home-page .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
  }

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

  .scenario-gallery {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .media-gallery-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .visual-duo {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .feature-card {
    padding: 0 0 0 18px;
  }

  .home-hero-grid,
  .home-story-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .home-story-grid.reverse {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .home-story-grid.reverse .home-story-copy {
    order: 2;
  }

  .home-story-grid.reverse .home-story-media {
    order: 1;
  }

  .article-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    align-items: start;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .lead-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.06);
  }

  .contact-copy {
    padding-right: 34px;
  }

  .lead-form {
    padding: 22px 0 0 34px;
  }

  .footer-top {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr) minmax(280px, 0.8fr);
  }

  .footer-top-compact {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
    text-align: left;
  }

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

@media (max-width: 1080px) {
  .metric-grid,
  .card-grid,
  .hero-signal-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 859px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    border-radius: 22px;
    background: rgba(6, 6, 6, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav.is-open {
    display: flex;
  }

  .header-cta {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --shell: min(100vw - 20px, 100%);
  }

  .hero-copy,
  .hero-panel,
  .page-hero-copy,
  .page-hero-meta,
  .article-main,
  .article-aside,
  .contact-copy,
  .lead-form,
  .visual-card,
  .diagram-card {
    padding: 22px 16px;
  }

  .metric-grid,
  .card-grid,
  .hero-signal-strip,
  .hero-brief,
  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-links-compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
  }

  .impact-subtitle {
    font-size: 0.92rem;
    letter-spacing: 0.08em;
  }

  .home-page .hero-brief {
    grid-template-columns: 1fr;
  }

  .story-card {
    grid-template-columns: 1fr;
  }

  .tech-visual-core {
    min-height: 280px;
  }

  .tech-orbit {
    width: 180px;
    height: 180px;
  }

  .tech-orbit-left {
    left: 8px;
  }

  .tech-orbit-right {
    right: 8px;
  }

  .tech-core {
    width: 128px;
    height: 128px;
  }

  .tech-core::before {
    inset: 22px;
    border-width: 6px;
  }

  .tech-core::after {
    inset: 42px;
  }

  .tech-beam {
    width: 260px;
  }

  .tech-visual-machine {
    min-height: 240px;
  }

  .machine-eye {
    left: 10%;
    width: 110px;
    height: 110px;
  }

  .machine-eye::before {
    inset: 18px;
    border-width: 6px;
  }

  .machine-eye::after {
    inset: 38px;
  }

  .machine-core {
    right: 6%;
    width: 150px;
    height: 150px;
  }

  .machine-core::before {
    inset: 30px;
  }

  .machine-core::after {
    inset: 58px;
  }

  .machine-shell {
    left: 24%;
    right: 20%;
  }

  .header-inner {
    min-height: 70px;
  }

  .brand-copy small {
    display: none;
  }
}