:root {
  color-scheme: dark;
  --bg-base: #040b16;
  --bg-top: #081221;
  --surface: rgba(7, 18, 34, 0.82);
  --surface-strong: rgba(5, 12, 24, 0.9);
  --surface-soft: rgba(12, 29, 52, 0.72);
  --border: rgba(96, 154, 255, 0.16);
  --border-strong: rgba(117, 179, 255, 0.28);
  --text: #f1f6ff;
  --muted: #8da3c1;
  --accent: #3f86ff;
  --accent-strong: #5db2ff;
  --accent-soft: rgba(63, 134, 255, 0.18);
  --success: #3ed598;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

:root[data-theme="studio-light"] {
  color-scheme: light;
  --bg-base: #eef5ff;
  --bg-top: #f8fbff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --surface-soft: rgba(246, 250, 255, 0.9);
  --border: rgba(39, 83, 165, 0.14);
  --border-strong: rgba(39, 83, 165, 0.24);
  --text: #0f1d33;
  --muted: #607291;
  --accent: #1e63dd;
  --accent-strong: #2f8fff;
  --accent-soft: rgba(30, 99, 221, 0.12);
  --success: #157347;
  --shadow: 0 24px 70px rgba(49, 88, 157, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at left top, rgba(47, 126, 255, 0.24), transparent 26%),
    radial-gradient(circle at 82% 10%, rgba(17, 196, 255, 0.16), transparent 20%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-base) 42%, #030814 100%);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

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

p,
li,
small,
span {
  line-height: 1.72;
}

p,
li,
small {
  color: var(--muted);
}

h1,
h2,
h3,
h4,
.nav a,
.brand strong,
.spotlight-stat span {
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "DIN Alternate", "PingFang SC", sans-serif;
}

.site-shell {
  position: relative;
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.ambient-grid,
.ambient-orb {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.ambient-grid {
  background-image:
    linear-gradient(rgba(126, 176, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 176, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 50%, transparent 100%);
  opacity: 0.4;
}

.ambient-orb {
  filter: blur(100px);
  opacity: 0.5;
}

.ambient-orb-a {
  background: rgba(52, 117, 255, 0.14);
  inset: 8% auto auto 4%;
  width: 380px;
  height: 380px;
}

.ambient-orb-b {
  background: rgba(10, 210, 255, 0.1);
  inset: auto 8% 14% auto;
  width: 320px;
  height: 320px;
}

.ambient-orb-c {
  background: rgba(76, 130, 255, 0.1);
  inset: 38% auto auto 44%;
  width: 240px;
  height: 240px;
}

.glass {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), var(--surface));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.shell-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.brand-line,
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-line strong,
.brand strong {
  display: block;
  font-size: 1.08rem;
}

.brand-line small {
  display: block;
  margin-top: 4px;
}

.brand-mark,
.portrait-ring {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-mark.small {
  width: 38px;
  height: 38px;
  border-radius: 12px;
}

.positioning-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.positioning-row span {
  color: var(--muted);
  font-size: 0.83rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar,
.footer,
.hero-panel,
.page-head,
.detail-hero,
.detail-links,
.detail-section,
.rich-article,
.contact-banner,
.page-head-card,
.sidebar-card,
.studio-card,
.metric-card,
.product-card,
.article-card,
.value-card,
.principle-card {
  border-radius: var(--radius-xl);
}

.topbar,
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a.active,
.nav a:hover,
.text-link,
.article-link {
  color: var(--text);
}

.topbar-actions,
.hero-actions,
.card-actions,
.detail-links,
.footer-links,
.icon-pair {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.icon-pair span,
.tag,
.chip,
.sidebar-list span,
.monitor-side span {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.9rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 14px var(--success);
}

main {
  display: grid;
  gap: 28px;
  margin: 24px 0 32px;
}

.hero-panel,
.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 24px;
  padding: 28px;
  overflow: hidden;
}

.hero-copy h1,
.detail-copy h1,
.page-head h1 {
  margin: 16px 0;
  font-size: clamp(2.7rem, 5vw, 4.9rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.page-head h1 {
  font-size: clamp(2.5rem, 4vw, 4rem);
}

.hero-copy p,
.detail-copy p,
.page-head p {
  max-width: 62ch;
  font-size: 1.04rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.button,
.card-actions a,
.detail-links a,
.contact-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.button.primary,
.card-actions .secondary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  border-color: transparent;
}

.spotlight-shell {
  display: grid;
  gap: 16px;
}

.spotlight-copy h2 {
  margin: 12px 0 8px;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.spotlight-copy p {
  margin: 0;
}

.hero-visual,
.inner-card {
  padding: 18px;
}

.monitor-shell {
  min-height: 420px;
  border-radius: 24px;
  border: 1px solid var(--border-strong);
  background:
    linear-gradient(180deg, rgba(4, 11, 22, 0.95), rgba(6, 15, 27, 0.96)),
    radial-gradient(circle at 30% 30%, rgba(83, 151, 255, 0.22), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(8, 203, 255, 0.16), transparent 26%);
  overflow: hidden;
}

.monitor-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(109, 170, 255, 0.14);
}

.monitor-bar strong {
  margin-left: 8px;
  font-size: 0.95rem;
}

.monitor-bar small {
  margin-left: auto;
}

.monitor-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.monitor-dot.red {
  background: #ff5f57;
}

.monitor-dot.yellow {
  background: #febb2e;
}

.monitor-dot.green {
  background: #29c840;
}

.monitor-layout {
  display: grid;
  grid-template-columns: 140px 1fr;
  min-height: 368px;
}

.monitor-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 14px;
  border-right: 1px solid rgba(109, 170, 255, 0.1);
}

.monitor-side span,
.sidebar-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  font-size: 0.86rem;
  color: var(--muted);
}

.monitor-main {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.chart-panel,
.data-table span {
  border: 1px solid rgba(118, 176, 255, 0.16);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(21, 35, 55, 0.8), rgba(10, 18, 33, 0.96)),
    radial-gradient(circle at 40% 40%, rgba(86, 154, 255, 0.18), transparent 44%);
}

.chart-large {
  min-height: 165px;
  background-image:
    linear-gradient(transparent 85%, rgba(255, 255, 255, 0.03) 85%),
    linear-gradient(90deg, transparent 91%, rgba(255, 255, 255, 0.03) 91%),
    linear-gradient(180deg, rgba(19, 35, 58, 0.72), rgba(8, 15, 28, 0.95)),
    radial-gradient(circle at 45% 30%, rgba(83, 151, 255, 0.22), transparent 36%);
  background-size: 100% 24px, 34px 100%, auto, auto;
}

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

.chart-medium {
  min-height: 106px;
}

.chart-medium.alt {
  background:
    linear-gradient(180deg, rgba(19, 35, 58, 0.7), rgba(8, 15, 28, 0.94)),
    radial-gradient(circle at 60% 50%, rgba(16, 203, 255, 0.18), transparent 34%);
}

.data-table {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.data-table span {
  min-height: 54px;
}

.spotlight-stats,
.metric-strip,
.value-grid,
.product-grid,
.article-grid,
.principle-grid,
.fact-grid {
  display: grid;
  gap: 18px;
}

.spotlight-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 20px;
}

.spotlight-stat {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.spotlight-stat span,
.metric-card strong,
.fact-card strong {
  display: block;
  color: var(--text);
}

.spotlight-stat span {
  font-size: 1rem;
}

.spotlight-stat small {
  font-size: 0.86rem;
}

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

.value-card,
.metric-card,
.product-card,
.article-card,
.principle-card,
.studio-card,
.sidebar-card {
  padding: 20px;
}

.value-card {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
}

.value-icon,
.card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-strong);
  font-weight: 700;
}

.value-card h3,
.product-card h3,
.article-card h3,
.principle-card h3,
.sidebar-card h3,
.page-head-card h3,
.docs-panel h3,
.about-panel strong {
  margin: 0 0 10px;
}

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

.metric-card strong {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.metric-card span {
  color: var(--text);
  font-size: 0.95rem;
}

.section-block {
  display: grid;
  gap: 20px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.section-heading h2 {
  margin: 12px 0 8px;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
}

.text-link {
  white-space: nowrap;
}

.grid-section {
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: start;
}

.section-main {
  display: grid;
  gap: 20px;
}

.article-stack {
  display: grid;
  gap: 16px;
}

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

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

.product-card,
.article-card {
  display: grid;
  gap: 14px;
}

.card-topline,
.article-meta,
.chip-row,
.sidebar-list {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.card-topline {
  justify-content: space-between;
}

.tag,
.chip {
  padding: 7px 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.card-arrow {
  color: var(--accent-strong);
  font-size: 1.1rem;
}

.article-meta {
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.03em;
}

.article-link {
  font-weight: 500;
}

.page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  padding: 28px;
}

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

.page-head-card.inset,
.about-panel,
.contact-list,
.docs-panel {
  border-radius: var(--radius-lg);
}

.page-head-card.inset,
.about-panel,
.contact-list,
.docs-panel,
.sidebar-card,
.studio-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), var(--surface-strong));
}

.detail-links,
.rich-article,
.detail-section,
.contact-banner {
  padding: 22px;
}

.detail-links {
  justify-content: center;
}

.rich-article,
.detail-section {
  max-width: 960px;
}

.detail-section h2,
.rich-article h2 {
  margin-top: 0;
  font-size: 1.6rem;
}

.lead {
  color: var(--text);
}

.rich-article ul,
.detail-section ul {
  padding-left: 20px;
}

.about-panel,
.contact-list,
.docs-panel {
  display: grid;
  gap: 14px;
}

.about-panel span {
  color: var(--muted);
}

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

.fact-card {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.fact-card strong {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

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

.contact-list a {
  justify-content: space-between;
}

.contact-list strong {
  color: var(--text);
}

.contact-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-copy h3 {
  margin: 0 0 10px;
}

@media (max-width: 1080px) {
  .hero-panel,
  .detail-hero,
  .page-head,
  .grid-section {
    grid-template-columns: minmax(0, 1fr);
  }

  .value-grid,
  .metric-strip,
  .principle-grid,
  .product-grid,
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .shell-topline,
  .topbar,
  .footer,
  .section-heading,
  .contact-banner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(100% - 20px, 1320px);
    padding-top: 18px;
  }

  .hero-panel,
  .detail-hero,
  .page-head,
  .detail-links,
  .detail-section,
  .rich-article,
  .contact-banner,
  .topbar,
  .footer {
    padding: 18px;
  }

  .hero-copy h1,
  .detail-copy h1,
  .page-head h1 {
    font-size: clamp(2.2rem, 11vw, 3.2rem);
  }

  .spotlight-stats,
  .value-grid,
  .metric-strip,
  .product-grid,
  .article-grid,
  .principle-grid,
  .fact-grid,
  .chart-grid,
  .data-table {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .monitor-side {
    border-right: 0;
    border-bottom: 1px solid rgba(109, 170, 255, 0.1);
    flex-direction: row;
    flex-wrap: wrap;
  }
}