.page-about {
  --about-tree-line: rgba(155, 107, 255, .35);
  background: var(--bg-light);
  color: var(--text-dark);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-purple) 0%, #200B32 60%, var(--bg-crimson) 130%);
  color: var(--text-light);
  padding: 2rem 0 2.75rem;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-orange), var(--primary), var(--accent-cyan), var(--accent-magenta));
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -60px;
  bottom: -10%;
  width: 180px;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,.06) 0 1px, transparent 1px 10px);
  transform: skewX(-8deg);
  pointer-events: none;
}
.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}
.page-about .about-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.25rem;
  font-size: 13px;
  color: rgba(248,246,255,.6);
}
.page-about .about-crumbs__link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.page-about .about-crumbs__link:hover {
  text-decoration: underline;
}
.page-about .about-crumbs__sep {
  opacity: .6;
}
.page-about .about-crumbs__current {
  color: rgba(248,246,255,.8);
}
.page-about .about-hero__title {
  margin: 0 0 .75rem;
  font-size: clamp(1.85rem, 5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--text-light);
}
.page-about .about-hero__lead {
  margin: 0 0 1.4rem;
  max-width: 46rem;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(248,246,255,.82);
}
.page-about .about-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}
.page-about .about-hero__chips .status-badge {
  text-decoration: none;
}
.page-about .about-section-head {
  margin-bottom: 1.75rem;
}
.page-about .about-inline-link {
  color: var(--primary);
  font-weight: 600;
  text-underline-offset: 2px;
}

.page-about .about-scope {
  background: var(--bg-light);
  padding: 3.25rem 0;
}
.page-about .about-scope__grid {
  display: grid;
  gap: 1.25rem;
}
.page-about .about-scope__card {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
  min-width: 0;
}
.page-about .about-scope__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}
.page-about .about-scope__card-title {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.2;
  font-weight: 800;
}
.page-about .about-scope__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .7rem;
}
.page-about .about-scope__stat {
  background: rgba(16,16,32,.045);
  border-radius: 6px;
  padding: .8rem .65rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.page-about .about-scope__num {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  line-height: 1.05;
  font-weight: 700;
  color: var(--text-dark);
}
.page-about .about-scope__label {
  margin-top: .25rem;
  font-size: 12px;
  line-height: 1.3;
  color: var(--done-gray);
}
.page-about .about-scope__ids {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.page-about .about-scope__ids--column {
  flex-direction: column;
  align-items: flex-start;
  margin-top: .25rem;
}
.page-about .about-scope__ids--column .tag {
  white-space: normal;
}
.page-about .about-scope__exclude {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.page-about .about-scope__exclude li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 14px;
  line-height: 1.5;
}
.page-about .about-scope__exclude li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--accent-magenta);
}
.page-about .about-scope__exclude-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--done-gray);
}

.page-about .about-taxonomy {
  background: linear-gradient(160deg, var(--bg-purple) 0%, #1D0C31 60%, var(--bg-purple) 100%);
  color: var(--text-light);
  padding: 3.25rem 0;
}
.page-about .about-taxonomy .section-kicker,
.page-about .about-taxonomy .section-more {
  color: rgba(248,246,255,.72);
}
.page-about .about-taxonomy .section-title {
  color: var(--text-light);
}
.page-about .about-taxonomy__layout {
  display: grid;
  gap: 1.4rem;
}
.page-about .about-taxonomy__tree {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--radius);
  padding: 1.3rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.page-about .about-tree__level {
  background: rgba(255,255,255,.05);
  border-radius: 6px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
}
.page-about .about-tree__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
}
.page-about .about-tree__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--primary);
  background: rgba(0,219,255,.12);
  border: 1px solid rgba(0,219,255,.3);
  border-radius: 999px;
  padding: .2rem .55rem;
}
.page-about .about-tree__title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-light);
}
.page-about .about-tree__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(248,246,255,.65);
  white-space: nowrap;
}
.page-about .about-tree__link {
  width: 2px;
  height: 22px;
  margin-left: 30px;
  background: var(--about-tree-line);
}
.page-about .about-tree__clarity {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.page-about .about-tree__cell {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--bg-purple);
  background: #fff;
  border-radius: 4px;
  padding: .3rem .6rem;
}
.page-about .about-tree__tail {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(248,246,255,.72);
  border-left: 3px solid var(--accent-cyan);
  padding-left: .65rem;
}
.page-about .about-taxonomy__figure {
  margin: 0;
}
.page-about .about-taxonomy__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}
.page-about .about-taxonomy__figure figcaption {
  margin-top: .5rem;
  font-size: 12px;
  color: rgba(248,246,255,.55);
  text-align: center;
}

.page-about .about-update {
  background: var(--bg-light);
  padding: 3.25rem 0;
}
.page-about .about-update__flow {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.page-about .about-update__node {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
  min-width: 0;
}
.page-about .about-update__time {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--text-dark);
}
.page-about .about-update__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-magenta);
}
.page-about .about-update__count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--done-gray);
}
.page-about .about-update__line {
  width: 2px;
  height: 28px;
  margin: .1rem auto;
  background: linear-gradient(180deg, var(--accent-orange), var(--accent-cyan), var(--accent-magenta));
}
.page-about .about-update__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 1.3rem;
}
.page-about .about-update__note {
  margin: 1.5rem 0 0;
  border-left: 3px solid var(--accent-orange);
  padding-left: .75rem;
  font-size: 13px;
  line-height: 1.65;
  color: var(--done-gray);
}

.page-about .about-device {
  background: linear-gradient(150deg, var(--bg-crimson) 0%, var(--bg-purple) 130%);
  color: var(--text-light);
  padding: 3.25rem 0;
}
.page-about .about-device .section-kicker,
.page-about .about-device .section-more {
  color: rgba(248,246,255,.72);
}
.page-about .about-device .section-title {
  color: var(--text-light);
}
.page-about .about-device__body {
  display: grid;
  gap: 1.25rem;
}
.page-about .about-device__cards {
  display: grid;
  gap: 1rem;
}
.page-about .about-device__card {
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  padding: 1.15rem 1.2rem 1.35rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .45rem;
}
.page-about .about-device__card .button {
  margin-top: .35rem;
}
.page-about .about-device__mock {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .4rem;
}
.page-about .about-device__mock--phone {
  width: 34px;
  height: 60px;
  border: 3px solid var(--accent-cyan);
  border-radius: 8px;
}
.page-about .about-device__mock--phone .about-device__screen {
  width: 24px;
  height: 46px;
  border-radius: 2px;
  background: rgba(0,229,160,.25);
}
.page-about .about-device__mock--desktop {
  width: 68px;
  height: 48px;
  border: 3px solid var(--accent-orange);
  border-radius: 5px;
}
.page-about .about-device__mock--desktop .about-device__screen {
  width: 58px;
  height: 38px;
  border-radius: 2px;
  background: rgba(255,179,0,.18);
}
.page-about .about-device__mock--desktop .about-device__stand {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 4px;
  border-radius: 2px;
  background: var(--accent-orange);
}
.page-about .about-device__mock--tv {
  width: 78px;
  height: 52px;
  border: 3px solid var(--accent-magenta);
  border-radius: 4px;
}
.page-about .about-device__mock--tv .about-device__screen {
  width: 68px;
  height: 42px;
  border-radius: 2px;
  background: rgba(255,46,136,.15);
}
.page-about .about-device__mock--tv .about-device__leg {
  position: absolute;
  bottom: -13px;
  width: 30px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent-magenta);
}
.page-about .about-device__mock--tv .about-device__leg--left {
  left: 5px;
  transform: rotate(32deg);
}
.page-about .about-device__mock--tv .about-device__leg--right {
  right: 5px;
  transform: rotate(-32deg);
}
.page-about .about-device__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-light);
}
.page-about .about-device__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(248,246,255,.78);
}
.page-about .about-device__figure {
  margin: 0;
}
.page-about .about-device__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.page-about .about-search {
  background: linear-gradient(160deg, var(--bg-purple), #1B0A2E 60%, var(--bg-purple));
  color: var(--text-light);
  padding: 3.25rem 0;
}
.page-about .about-search .section-kicker,
.page-about .about-search .section-more {
  color: rgba(248,246,255,.72);
}
.page-about .about-search .section-title {
  color: var(--text-light);
}
.page-about .about-search__grid {
  display: grid;
  gap: 1rem;
}
.page-about .about-search__card {
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  background: rgba(255,255,255,.07);
  padding: 1.35rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  text-decoration: none;
  color: inherit;
  transition: transform 150ms ease, background-color 150ms ease;
}
.page-about .about-search__card:hover {
  background: rgba(255,255,255,.12);
  transform: translateY(-2px);
}
.page-about .about-search__index {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
}
.page-about .about-search__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-light);
}
.page-about .about-search__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(248,246,255,.76);
}
.page-about .about-search__card .status-badge {
  align-self: flex-start;
  margin-top: .35rem;
}

@media (min-width: 768px) {
  .page-about .about-scope__grid {
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
  }
  .page-about .about-taxonomy__layout {
    grid-template-columns: 1.1fr .9fr;
    align-items: start;
  }
  .page-about .about-update__flow {
    flex-direction: row;
    align-items: stretch;
  }
  .page-about .about-update__line {
    width: 56px;
    height: 2px;
    margin: 0;
    align-self: center;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-cyan), var(--accent-magenta));
  }
}

@media (min-width: 1024px) {
  .page-about .about-device__body {
    grid-template-columns: 1fr 360px;
    align-items: center;
  }
  .page-about .about-device__cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-search__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}