.matrix-back-link {
  position: fixed;
  top: 92px;
  left: 24px;
  z-index: 99999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 107, 26, 0.34);
  border-radius: 999px;
  background: rgba(15, 17, 21, 0.88);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  color: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  backdrop-filter: blur(14px);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.matrix-back-link:hover,
.matrix-back-link:focus-visible {
  border-color: #ff6b1a;
  background: #ff6b1a;
  color: #fff;
  outline: none;
  transform: translateX(-2px);
}

.matrix-back-link span {
  font-size: 18px;
}

.product-page--headerless .matrix-back-link {
  top: 24px;
}

/*
 * Unified secondary-page navigation
 * Mirrors the AI proposal page: topic identity on the left,
 * in-page anchors on the right, and the matrix back link on row two.
 */
.mif-subnav {
  position: sticky !important;
  top: 0 !important;
  left: auto !important;
  z-index: 99990 !important;
  width: 100vw !important;
  min-height: 72px !important;
  height: 72px !important;
  margin: 0 0 0 calc(50% - 50vw) !important;
  padding: 0 max(24px, calc((100vw - 1240px) / 2)) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 28px !important;
  border: 0 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 0 !important;
  background: rgba(7, 11, 17, 0.9) !important;
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.2) !important;
  color: #f7f8fa !important;
  backdrop-filter: blur(20px) saturate(135%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(135%) !important;
  transform: none !important;
  pointer-events: auto !important;
}

.mif-subnav.mif-subnav--fixed {
  position: fixed !important;
}

body:has(.mif-subnav--fixed) {
  padding-top: 72px !important;
}

.mif-subnav > .mif-subnav__inner {
  width: 100% !important;
  max-width: 1240px !important;
  min-height: 72px !important;
  margin: 0 auto !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 28px !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.mif-subnav .mif-subnav__brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 11px !important;
  flex: 0 0 auto !important;
  padding: 0 !important;
  border: 0 !important;
  color: #fff !important;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif !important;
  font-size: 15px !important;
  font-weight: 800 !important;
  letter-spacing: 0.02em !important;
  line-height: 1.2 !important;
  white-space: nowrap !important;
}

.mif-topic-icon {
  width: 36px !important;
  height: 36px !important;
  flex: 0 0 36px !important;
  border-radius: 14px !important;
  background:
    radial-gradient(circle at 68% 28%, #fff 0 10%, transparent 11%),
    linear-gradient(135deg, #ff7a18, #24c47a) !important;
  box-shadow: 0 10px 30px rgba(255, 122, 24, 0.25) !important;
}

.mif-subnav .mif-topic-text {
  display: inline !important;
  width: auto !important;
  height: auto !important;
  padding: 0 !important;
  border: 0 !important;
  color: #fff !important;
  background: none !important;
  font: inherit !important;
}

.mif-subnav .mif-subnav__links {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: clamp(16px, 2vw, 27px) !important;
  height: 72px !important;
  margin: 0 0 0 auto !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: #aeb5c0 !important;
  overflow: visible !important;
}

.mif-subnav .mif-subnav__links a {
  position: relative !important;
  display: inline-flex !important;
  align-items: center !important;
  min-height: 42px !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: #aeb5c0 !important;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  letter-spacing: 0 !important;
  line-height: 1 !important;
  white-space: nowrap !important;
  box-shadow: none !important;
}

.mif-subnav .mif-subnav__links a:hover,
.mif-subnav .mif-subnav__links a.active,
.mif-subnav .mif-subnav__links a.is-active {
  color: #fff !important;
}

.mif-subnav .mif-subnav__links a::after {
  content: "" !important;
  position: absolute !important;
  right: 50% !important;
  bottom: 4px !important;
  left: 50% !important;
  width: auto !important;
  height: 2px !important;
  background: #ff7a18 !important;
  box-shadow: none !important;
  transform: none !important;
  transition: right 180ms ease, left 180ms ease !important;
}

.mif-subnav .mif-subnav__links a.active::after,
.mif-subnav .mif-subnav__links a.is-active::after {
  right: 0 !important;
  left: 0 !important;
}

/* The URL hash wins over legacy per-page active-state scripts. */
body:has(main [id]:target) .mif-subnav .mif-subnav__links a {
  color: #aeb5c0 !important;
}

body:has(#contact:target) .mif-subnav .mif-subnav__links a {
  color: #aeb5c0 !important;
}

body:has(main [id]:target) .mif-subnav .mif-subnav__links a::after {
  right: 50% !important;
  left: 50% !important;
}

body:has(#contact:target) .mif-subnav .mif-subnav__links a::after {
  right: 50% !important;
  left: 50% !important;
}

body:has(#top:target) .mif-subnav a[href="#top"],
body:has(#overview:target) .mif-subnav a[href="#overview"],
body:has(#intro:target) .mif-subnav a[href="#intro"],
body:has(#product-story:target) .mif-subnav a[href="#product-story"],
body:has(#idea:target) .mif-subnav a[href="#idea"],
body:has(#agents:target) .mif-subnav a[href="#agents"],
body:has(#positioning:target) .mif-subnav a[href="#positioning"],
body:has(#features:target) .mif-subnav a[href="#features"],
body:has(#capabilities:target) .mif-subnav a[href="#capabilities"],
body:has(#workflow:target) .mif-subnav a[href="#workflow"],
body:has(#solution:target) .mif-subnav a[href="#solution"],
body:has(#products:target) .mif-subnav a[href="#products"],
body:has(#experience:target) .mif-subnav a[href="#experience"],
body:has(#scenes:target) .mif-subnav a[href="#scenes"],
body:has(#scenarios:target) .mif-subnav a[href="#scenarios"],
body:has(#contact:target) .mif-subnav a[href="#contact"] {
  color: #fff !important;
}

body:has(#top:target) .mif-subnav a[href="#top"]::after,
body:has(#overview:target) .mif-subnav a[href="#overview"]::after,
body:has(#intro:target) .mif-subnav a[href="#intro"]::after,
body:has(#product-story:target) .mif-subnav a[href="#product-story"]::after,
body:has(#idea:target) .mif-subnav a[href="#idea"]::after,
body:has(#agents:target) .mif-subnav a[href="#agents"]::after,
body:has(#positioning:target) .mif-subnav a[href="#positioning"]::after,
body:has(#features:target) .mif-subnav a[href="#features"]::after,
body:has(#capabilities:target) .mif-subnav a[href="#capabilities"]::after,
body:has(#workflow:target) .mif-subnav a[href="#workflow"]::after,
body:has(#solution:target) .mif-subnav a[href="#solution"]::after,
body:has(#products:target) .mif-subnav a[href="#products"]::after,
body:has(#experience:target) .mif-subnav a[href="#experience"]::after,
body:has(#scenes:target) .mif-subnav a[href="#scenes"]::after,
body:has(#scenarios:target) .mif-subnav a[href="#scenarios"]::after,
body:has(#contact:target) .mif-subnav a[href="#contact"]::after {
  right: 0 !important;
  left: 0 !important;
}

.mif-subnav .mif-subnav__cta {
  min-height: 42px !important;
  padding: 0 18px !important;
  border: 1px solid rgba(255, 122, 24, 0.45) !important;
  border-radius: 999px !important;
  background: linear-gradient(135deg, #ff7a18, #ff9548) !important;
  color: #fff !important;
  box-shadow: 0 9px 24px rgba(255, 122, 24, 0.2) !important;
}

.mif-subnav .menu-button,
.mif-subnav .menu-toggle {
  display: none !important;
}

body:has(.mif-subnav) .matrix-back-link {
  top: 91px;
}

body:has(.mif-subnav) main [id],
body:has(.mif-subnav) footer[id] {
  scroll-margin-top: 96px;
}

@media (max-width: 720px) {
  .matrix-back-link {
    top: 76px;
    left: 14px;
    min-height: 38px;
    padding: 0 13px;
    font-size: 13px;
  }

  .product-page--headerless .matrix-back-link {
    top: 14px;
  }

  .mif-subnav {
    min-height: 64px !important;
    height: 64px !important;
    padding: 0 14px !important;
  }

  body:has(.mif-subnav--fixed) {
    padding-top: 64px !important;
  }

  .mif-subnav > .mif-subnav__inner {
    min-height: 64px !important;
  }

  .mif-subnav .mif-subnav__brand {
    font-size: 13px !important;
  }

  .mif-topic-icon {
    width: 30px !important;
    height: 30px !important;
    flex-basis: 30px !important;
    border-radius: 11px !important;
  }

  .mif-subnav .mif-subnav__links {
    height: 64px !important;
  }

  .mif-subnav .mif-subnav__links a:not(.mif-subnav__cta) {
    display: none !important;
  }

  .mif-subnav .mif-subnav__cta {
    display: inline-flex !important;
    min-height: 38px !important;
    padding: 0 14px !important;
    font-size: 13px !important;
  }

  body:has(.mif-subnav) .matrix-back-link {
    top: 76px;
  }
}