.page-about {
  position: relative;
  background:
    radial-gradient(1100px 500px at 90% -8%, rgba(27, 58, 92, 0.7), rgba(8, 18, 31, 0) 68%),
    var(--ink-navy-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.page-about .pa-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 900px) {
  .page-about .pa-wrap { padding: 0 32px; }
}

.page-about .pa-sec {
  padding: 52px 0;
  position: relative;
}
@media (min-width: 900px) {
  .page-about .pa-sec { padding: 84px 0; }
}
.page-about .pa-sec--tight { padding: 44px 0; }
@media (min-width: 900px) {
  .page-about .pa-sec--tight { padding: 68px 0; }
}
.page-about .pa-sec--last { padding-bottom: 96px; }
@media (min-width: 900px) {
  .page-about .pa-sec--last { padding-bottom: 132px; }
}

/* ---------- 章节标题 ---------- */
.page-about .pa-sechead {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 30px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--haze-border);
}
.page-about .pa-sechead__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--celadon);
  flex: 0 0 auto;
}
.page-about .pa-sechead__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--paper);
}
@media (min-width: 900px) {
  .page-about .pa-sechead { margin-bottom: 40px; }
  .page-about .pa-sechead__title { font-size: 28px; }
}

/* ---------- 通用正文 ---------- */
.page-about .pa-body {
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 246, 251, 0.82);
}
.page-about .pa-body--wide { max-width: 44em; }
.page-about .pa-body p { margin: 0 0 1.05em; }
.page-about .pa-body p:last-child { margin-bottom: 0; }
.page-about .pa-body a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 162, 58, 0.42);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-about .pa-body a:hover,
.page-about .pa-body a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-about .pa-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 44px;
}
@media (min-width: 900px) {
  .page-about .pa-hero { padding: 56px 0 68px; }
}
.page-about .pa-hero::before {
  content: "";
  position: absolute;
  top: -170px;
  right: -20%;
  width: min(760px, 128%);
  height: 520px;
  background: linear-gradient(135deg, rgba(255, 162, 58, 0.17), rgba(142, 123, 255, 0.07) 46%, rgba(8, 18, 31, 0) 78%);
  transform: rotate(-11deg);
  pointer-events: none;
}
.page-about .pa-hero::after {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -130px;
  width: min(540px, 96%);
  height: 270px;
  background: linear-gradient(180deg, rgba(47, 208, 175, 0.15), rgba(8, 18, 31, 0));
  transform: rotate(6deg);
  pointer-events: none;
}
.page-about .pa-hero .pa-wrap {
  position: relative;
  z-index: 1;
}

.page-about .pa-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.page-about .pa-crumbs a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-about .pa-crumbs a:hover,
.page-about .pa-crumbs a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.page-about .pa-crumbs__sep { color: var(--haze-border); }
.page-about .pa-crumbs__current { color: var(--paper); }

.page-about .pa-hero__grid {
  display: grid;
  gap: 30px;
}
@media (min-width: 980px) {
  .page-about .pa-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.88fr);
    gap: 56px;
    align-items: end;
  }
}

.page-about .pa-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--amber);
  margin: 0 0 14px;
}
.page-about .pa-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 29px;
  line-height: 1.28;
  letter-spacing: -0.005em;
  margin: 0 0 18px;
  color: var(--paper);
}
@media (min-width: 768px) {
  .page-about .pa-hero__title { font-size: 39px; }
}
@media (min-width: 1100px) {
  .page-about .pa-hero__title { font-size: 46px; line-height: 1.2; }
}
.page-about .pa-hero__intro {
  margin: 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(242, 246, 251, 0.8);
}
@media (min-width: 768px) {
  .page-about .pa-hero__intro { font-size: 16px; }
}

.page-about .pa-readout {
  list-style: none;
  margin: 0;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
  background: rgba(27, 58, 92, 0.42);
  border: 1px solid var(--haze-border);
  border-radius: 3px;
  backdrop-filter: blur(8px);
}
.page-about .pa-readout__item {
  border-left: 2px solid var(--haze-border);
  padding-left: 12px;
  transition: border-color var(--t-mid) var(--ease);
}
.page-about .pa-readout__item:hover { border-left-color: var(--amber); }
.page-about .pa-readout__item--alt:hover { border-left-color: var(--celadon); }
.page-about .pa-readout__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.page-about .pa-readout__unit {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 3px;
}
.page-about .pa-readout__label {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

/* ---------- 品牌由来 ---------- */
.page-about .pa-origin__grid {
  display: grid;
  gap: 24px;
}
@media (min-width: 900px) {
  .page-about .pa-origin__grid {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }
}
.page-about .pa-origin__stamp {
  border: 1px solid var(--haze-border);
  border-left: 3px solid var(--amber);
  background: rgba(16, 35, 58, 0.62);
  padding: 18px 16px;
}
.page-about .pa-origin__stamp-year {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--amber);
  margin: 0;
}
.page-about .pa-origin__stamp-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.page-about .pa-audience {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
  max-width: 40em;
}
.page-about .pa-audience__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 12px 11px 14px;
  border-left: 1px solid var(--haze-border);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 246, 251, 0.86);
  transition: border-color var(--t-mid) var(--ease), background-color var(--t-mid) var(--ease);
}
.page-about .pa-audience__item:hover {
  border-left-color: var(--celadon);
  background: rgba(47, 208, 175, 0.06);
}
.page-about .pa-audience__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--celadon);
  flex: 0 0 auto;
}

/* ---------- 团队 ---------- */
.page-about .pa-team__grid {
  display: grid;
  gap: 16px;
}
@media (min-width: 960px) {
  .page-about .pa-team__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 18px;
  }
  .page-about .pa-team__panel--lead { grid-column: 1; grid-row: 1 / span 2; }
  .page-about .pa-team__panel--tech { grid-column: 2; grid-row: 1; }
  .page-about .pa-team__panel--ops { grid-column: 3; grid-row: 1; }
  .page-about .pa-team__figure { grid-column: 2 / span 2; grid-row: 2; }
}
.page-about .pa-team__panel {
  position: relative;
  padding: 22px 20px;
  background: var(--ink-navy-700);
  border: 1px solid var(--haze-border);
  border-top: 2px solid var(--haze-border);
  transition: border-color var(--t-mid) var(--ease);
}
.page-about .pa-team__panel:hover { border-top-color: var(--amber); }
.page-about .pa-team__panel--tech:hover { border-top-color: var(--celadon); }
.page-about .pa-team__panel--ops:hover { border-top-color: var(--violet); }
.page-about .pa-team__panel--lead {
  background: linear-gradient(180deg, rgba(255, 162, 58, 0.11), rgba(16, 35, 58, 0.96) 44%);
  border-top-color: var(--amber);
}
.page-about .pa-team__count {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
  margin: 0 0 8px;
}
.page-about .pa-team__panel--tech .pa-team__count { color: var(--celadon); }
.page-about .pa-team__panel--ops .pa-team__count { color: var(--violet); }
.page-about .pa-team__unit {
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--text-muted);
  margin-left: 4px;
}
.page-about .pa-team__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
  color: var(--paper);
}
.page-about .pa-team__panel > p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 246, 251, 0.78);
}
.page-about .pa-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-about .pa-team__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-muted);
}
.page-about .pa-team__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--haze-border);
}

/* ---------- 图片 ---------- */
.page-about .pa-figure {
  margin: 0;
  padding: 10px;
  background: var(--ink-navy-700);
  border: 1px solid var(--haze-border);
}
.page-about .pa-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .pa-figure__cap {
  margin: 10px 2px 0;
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}
.page-about .pa-tlfigure { margin-bottom: 34px; }

/* ---------- 时间轴 ---------- */
.page-about .pa-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-about .pa-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--amber), var(--celadon));
  opacity: 0.45;
}
.page-about .pa-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 0 0 26px 34px;
}
.page-about .pa-timeline__item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-navy-900);
  border: 2px solid var(--haze-border);
  transition: border-color var(--t-mid) var(--ease), background-color var(--t-mid) var(--ease);
}
.page-about .pa-timeline__item:hover::before {
  border-color: var(--amber);
  background: var(--amber);
}
.page-about .pa-timeline__item--green:hover::before {
  border-color: var(--celadon);
  background: var(--celadon);
}
.page-about .pa-timeline__year {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0;
  transition: color var(--t-mid) var(--ease);
}
.page-about .pa-timeline__item:hover .pa-timeline__year { color: var(--amber); }
.page-about .pa-timeline__item--green:hover .pa-timeline__year { color: var(--celadon); }
.page-about .pa-timeline__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 6px;
  color: var(--paper);
}
.page-about .pa-timeline__text {
  margin: 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 246, 251, 0.72);
  transition: color var(--t-mid) var(--ease);
}
.page-about .pa-timeline__item:hover .pa-timeline__text { color: rgba(242, 246, 251, 0.9); }
@media (min-width: 900px) {
  .page-about .pa-timeline::before { left: 127px; }
  .page-about .pa-timeline__item {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 0 38px;
    padding: 0 0 32px 0;
  }
  .page-about .pa-timeline__item::before { left: 121px; top: 7px; }
  .page-about .pa-timeline__year { text-align: right; padding-top: 2px; }
}

/* ---------- 内容生产 ---------- */
.page-about .pa-craft {
  position: relative;
  overflow: hidden;
  background: var(--ink-navy-700);
  border-top: 1px solid var(--haze-border);
  border-bottom: 1px solid var(--haze-border);
}
.page-about .pa-craft__bg {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  pointer-events: none;
}
.page-about .pa-craft__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-about .pa-craft .pa-wrap {
  position: relative;
  z-index: 1;
}
.page-about .pa-craft__grid {
  display: grid;
  gap: 26px;
}
@media (min-width: 900px) {
  .page-about .pa-craft__grid {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 56px;
    align-items: start;
  }
}
.page-about .pa-craft__side {
  border: 1px solid var(--haze-border);
  background: rgba(8, 18, 31, 0.55);
  padding: 18px 16px;
}
.page-about .pa-craft__side-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--text-muted);
}
.page-about .pa-sources {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-about .pa-source {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border: 1px solid var(--haze-border);
  color: var(--text-muted);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.page-about .pa-source:hover,
.page-about .pa-source:focus-visible {
  border-color: var(--celadon);
  color: var(--paper);
  background: rgba(47, 208, 175, 0.1);
}
.page-about .pa-craft__side-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-about .pa-flow {
  list-style: none;
  margin: 38px 0 0 8px;
  padding: 0 0 0 0;
  border-left: 1px solid var(--haze-border);
}
.page-about .pa-flow__item {
  position: relative;
  padding: 0 0 22px 24px;
}
.page-about .pa-flow__item:last-child { padding-bottom: 0; }
.page-about .pa-flow__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--ink-navy-700);
  border: 1px solid var(--amber);
  transform: rotate(45deg);
  transition: background-color var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.page-about .pa-flow__item:hover::before {
  background: var(--amber);
  border-color: var(--amber);
}
.page-about .pa-flow__step {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 5px;
}
.page-about .pa-flow__name {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 5px;
  color: var(--paper);
}
.page-about .pa-flow__desc {
  margin: 0;
  max-width: 36em;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 版本发布 ---------- */
.page-about .pa-release {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}
.page-about .pa-release__item {
  position: relative;
  padding-left: 20px;
}
.page-about .pa-release__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--ink-navy-900);
  border: 1px solid var(--celadon);
  transform: rotate(45deg);
  transition: border-color var(--t-mid) var(--ease), background-color var(--t-mid) var(--ease);
}
.page-about .pa-release__item:hover::before {
  border-color: var(--amber);
  background: var(--amber);
}
.page-about .pa-release__step {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.page-about .pa-release__name {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 6px;
  color: var(--paper);
}
.page-about .pa-release__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-muted);
}
@media (min-width: 900px) {
  .page-about .pa-release {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 20px;
    position: relative;
    padding-top: 32px;
  }
  .page-about .pa-release::before {
    content: "";
    position: absolute;
    top: 11px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--celadon-deep), var(--amber));
    opacity: 0.55;
  }
  .page-about .pa-release__item { padding-left: 0; }
  .page-about .pa-release__item::before {
    left: 0;
    top: -22px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--ink-navy-900);
    border: 2px solid var(--celadon);
    transform: none;
  }
}
.page-about .pa-release__foot {
  margin-top: 34px;
  padding: 18px 20px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 162, 58, 0.07);
}
.page-about .pa-release__foot p {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 246, 251, 0.82);
}
.page-about .pa-release__foot a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 162, 58, 0.42);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-about .pa-release__foot a:hover,
.page-about .pa-release__foot a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 覆盖与协作 ---------- */
.page-about .pa-reach__grid {
  display: grid;
  gap: 28px;
}
@media (min-width: 900px) {
  .page-about .pa-reach__grid {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}
.page-about .pa-reach__stat {
  border: 1px solid var(--haze-border);
  border-top: 2px solid var(--celadon);
  background: rgba(16, 35, 58, 0.72);
  padding: 20px 18px;
}
.page-about .pa-reach__num {
  font-family: var(--font-mono);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--celadon);
  margin: 0;
}
.page-about .pa-reach__num-label {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
}
.page-about .pa-reach__num-note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--haze-border);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 资质 ---------- */
.page-about .pa-creds {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--haze-border);
}
.page-about .pa-creds__item {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--haze-border);
  transition: background-color var(--t-mid) var(--ease);
}
.page-about .pa-creds__item:hover { background: rgba(27, 58, 92, 0.4); }
.page-about .pa-creds__num {
  flex: 0 0 auto;
  min-width: 2.4em;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
}
.page-about .pa-creds__label {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 246, 251, 0.84);
}

.page-about .pa-creds__foot {
  margin-top: 32px;
  display: grid;
  gap: 22px;
}
@media (min-width: 900px) {
  .page-about .pa-creds__foot {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 48px;
    align-items: start;
  }
}
.page-about .pa-creds__links {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-about .pa-creds__links a {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-decoration: none;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--haze-border);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}
.page-about .pa-creds__links a:hover,
.page-about .pa-creds__links a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
  padding-left: 6px;
}

/* ---------- 回到顶部 ---------- */
.page-about .pa-backtop {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 6;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  padding: 9px 12px;
  color: var(--text-muted);
  background: rgba(5, 9, 15, 0.88);
  border: 1px solid var(--haze-border);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-about .pa-backtop:hover,
.page-about .pa-backtop:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>