.deepdoc-hero {
  position: relative;
  padding-top: clamp(62px, 8vw, 108px);
  padding-bottom: clamp(68px, 9vw, 120px);
  border-bottom: 1px solid var(--color-border-soft);
  background:
    radial-gradient(circle at 82% 24%, var(--color-nebula-pink), var(--color-transparent) 31%),
    radial-gradient(circle at 14% 76%, var(--color-nebula-orange), var(--color-transparent) 28%);
}

.deepdoc-hero::before,
.deepdoc-hero::after {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--color-star);
  box-shadow:
    48px 30px 0 var(--color-star-soft),
    108px -18px 0 var(--color-star),
    176px 44px 0 var(--color-star-soft),
    246px 8px 0 var(--color-star),
    324px 70px 0 var(--color-star-soft);
  content: "";
  pointer-events: none;
}

.deepdoc-hero::before {
  top: 19%;
  left: 4%;
}

.deepdoc-hero::after {
  right: 18%;
  bottom: 12%;
  transform: rotate(18deg);
}

.deepdoc-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(400px, 0.98fr);
  gap: clamp(42px, 7vw, 94px);
  align-items: center;
}

.deepdoc-hero-copy h1 {
  max-width: 12em;
  margin: 20px 0 22px;
}

.breadcrumb-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.breadcrumb-line a {
  color: var(--color-accent);
  font-weight: 750;
}

.deepdoc-intro {
  max-width: 43rem;
  margin-bottom: 30px;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.deepdoc-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-bottom: 27px;
}

.deepdoc-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-route-board {
  position: relative;
  min-height: 490px;
  padding: clamp(24px, 4vw, 42px);
  overflow: clip;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  transform: rotate(0.7deg);
}

.ai-route-board::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border-soft) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-border-soft) 1px, var(--color-transparent) 1px);
  background-size: 34px 34px;
  content: "";
  opacity: 0.34;
  pointer-events: none;
}

.route-board-head,
.route-layer,
.route-tool-grid {
  position: relative;
  z-index: 1;
}

.route-board-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 40px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.09em;
}

.route-layer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 15px;
  width: min(100%, 340px);
  padding: 19px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-soft);
}

.route-layer strong {
  align-self: end;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.route-layer small {
  grid-column: 2;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.route-layer-api {
  margin-left: auto;
}

.route-square {
  grid-row: span 2;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.route-square-orange {
  background: var(--color-accent);
}

.route-square-lime {
  background: var(--color-lime);
}

.route-connector {
  position: relative;
  z-index: 1;
  width: 2px;
  height: 43px;
  margin-left: 58px;
  background: var(--color-pink);
}

.route-connector::after {
  position: absolute;
  bottom: -4px;
  left: -3px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-pink);
  content: "";
}

.route-connector-alt {
  margin-right: 58px;
  margin-left: auto;
  background: var(--color-accent);
}

.route-connector-alt::after {
  background: var(--color-accent);
}

.route-tool-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.route-tool-grid span {
  display: grid;
  min-height: 54px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  background: var(--color-lime);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 850;
}

.route-tool-grid span:nth-child(2) {
  background: var(--color-coral);
}

.route-tool-grid span:nth-child(3) {
  background: var(--color-pink);
}

.route-tool-grid span:nth-child(4) {
  background: var(--color-accent);
}

.route-pixels {
  position: absolute;
  right: 18px;
  bottom: 16px;
  display: grid;
  grid-template-columns: repeat(6, 8px);
  gap: 6px;
  opacity: 0.5;
}

.route-pixels i {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-border);
}

.route-pixels i:nth-child(3n) {
  background: var(--color-pink);
}

.deepdoc-body {
  position: relative;
}

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

.deepdoc-layout .toc-tabs {
  max-width: var(--reading-width);
  margin-right: auto;
  margin-left: auto;
}

.deepdoc-article {
  width: 100%;
}

.manual-preface {
  margin-bottom: 50px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-soft);
}

.manual-preface p {
  margin-bottom: 0;
}

.manual-preface p + p {
  margin-top: 18px;
}

.manual-preface a,
.manual-section a {
  color: var(--color-accent);
  font-weight: 780;
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 4px;
}

.manual-section {
  position: relative;
  padding-top: 36px;
  padding-bottom: 48px;
  border-top: 1px solid var(--color-border-soft);
}

.manual-section::before {
  position: absolute;
  top: -5px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--color-accent);
  content: "";
}

.manual-section:nth-of-type(2n)::before {
  background: var(--color-pink);
}

.manual-section:nth-of-type(3n)::before {
  background: var(--color-lime);
}

.section-code {
  display: block;
  margin-bottom: 13px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.manual-section h2 {
  margin-top: 0;
  margin-bottom: 30px;
}

.manual-section h3 {
  position: relative;
  padding-left: 18px;
}

.manual-section h3::before {
  position: absolute;
  top: 0.42em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-pink);
  content: "";
}

.manual-section p {
  line-height: 1.9;
}

.manual-section .table-scroll {
  margin: 30px 0;
}

.manual-section pre {
  position: relative;
  margin: 30px 0;
  padding-top: 46px;
}

.manual-section pre::before {
  position: absolute;
  top: 17px;
  left: 20px;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-coral);
  box-shadow: 17px 0 0 var(--color-warning), 34px 0 0 var(--color-lime);
  content: "";
}

.tool-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0;
}

.tool-matrix article {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.tool-matrix article:nth-child(2) {
  background: var(--color-panel-raised);
}

.tool-matrix article:nth-child(3) {
  background: var(--color-panel-alt);
}

.tool-matrix span {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: var(--color-lime);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 850;
}

.tool-matrix article:nth-child(2) span {
  background: var(--color-accent);
}

.tool-matrix article:nth-child(3) span {
  background: var(--color-pink);
}

.tool-matrix h3 {
  min-height: 3em;
  margin-bottom: 12px;
  padding-left: 0;
  font-size: 1.08rem;
}

.tool-matrix h3::before {
  display: none;
}

.tool-matrix p {
  margin: 0;
  font-size: 0.9rem;
}

.diagnostic-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0;
}

.diagnostic-flow div {
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.diagnostic-flow div:nth-child(2),
.diagnostic-flow div:nth-child(3) {
  background: var(--color-panel-raised);
}

.diagnostic-flow span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.diagnostic-flow div:nth-child(2) span {
  color: var(--color-pink);
}

.diagnostic-flow div:nth-child(3) span {
  color: var(--color-lime);
}

.diagnostic-flow div:nth-child(4) span {
  color: var(--color-coral);
}

.diagnostic-flow strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.diagnostic-flow p {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .deepdoc-hero-grid {
    grid-template-columns: 1fr;
  }

  .ai-route-board {
    width: min(100%, 650px);
    min-height: 450px;
  }

  .tool-matrix {
    grid-template-columns: 1fr;
  }

  .tool-matrix h3 {
    min-height: 0;
  }
}

@media (max-width: 700px) {
  .deepdoc-hero {
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .deepdoc-hero::before,
  .deepdoc-hero::after {
    display: none;
  }

  .ai-route-board {
    min-height: 0;
    padding: 22px;
    transform: none;
  }

  .route-board-head {
    margin-bottom: 26px;
  }

  .route-layer {
    width: 100%;
  }

  .route-connector,
  .route-connector-alt {
    height: 30px;
    margin-right: auto;
    margin-left: 30px;
  }

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

  .diagnostic-flow {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .deepdoc-link-row {
    width: 100%;
  }

  .deepdoc-link-row .btn {
    width: 100%;
  }

  .deepdoc-facts {
    align-items: stretch;
    flex-direction: column;
  }

  .deepdoc-facts .badge {
    width: 100%;
  }

  .route-board-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-tool-grid {
    grid-template-columns: 1fr;
  }

  .manual-preface {
    padding: 22px;
  }

  .manual-section {
    padding-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-route-board {
    transform: none;
  }
}