/* ================= 品牌坐标页 ================= */
.page-about {
  --axis-col: 40px;
  --axis-line-x: 20px;
}

@media (min-width: 768px) {
  .page-about {
    --axis-col: 72px;
    --axis-line-x: 36px;
  }
}

.page-about a:focus-visible,
.page-about button:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--fg-cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--fg-line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -46%;
  left: 50%;
  width: min(860px, 152%);
  aspect-ratio: 1 / 1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(108, 43, 217, 0.5) 0%, rgba(108, 43, 217, 0) 62%);
  pointer-events: none;
}

.page-about .about-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-about .about-hero h1 {
  margin: 0.28em 0 0.42em;
  max-width: 900px;
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 720px;
  color: var(--fg-ice);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  opacity: 0.92;
}

.page-about .hero-versions {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: clamp(16px, 2.5vw, 22px) 0 0;
  border-top: 1px solid var(--fg-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-about .hero-versions li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--fg-mist);
}

.page-about .hero-versions .mono {
  padding: 2px 8px;
  border: 1px solid rgba(34, 230, 230, 0.35);
  color: var(--fg-cyan);
  font-size: 0.78rem;
}

/* ---------- 竖直坐标轴 ---------- */
.page-about .axis-list {
  position: relative;
  padding-block: clamp(36px, 6vw, 72px) clamp(52px, 9vw, 110px);
}

.page-about .axis-list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--axis-line-x);
  width: 1px;
  background: linear-gradient(
    to bottom,
    rgba(34, 230, 230, 0) 0%,
    rgba(34, 230, 230, 0.55) 5%,
    rgba(34, 230, 230, 0.55) 94%,
    rgba(34, 230, 230, 0) 100%
  );
  pointer-events: none;
}

.page-about .axis-row {
  display: grid;
  grid-template-columns: var(--axis-col) minmax(0, 1fr);
  gap: clamp(12px, 2vw, 28px);
  padding-block: clamp(30px, 5vw, 58px);
}

.page-about .axis-marker {
  align-self: start;
  justify-self: center;
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 4px;
  background: var(--fg-void);
  border: 1px solid var(--fg-cyan);
  color: var(--fg-cyan);
  font-size: 10px;
  letter-spacing: 0.02em;
  box-shadow: 0 0 14px rgba(34, 230, 230, 0.35);
}

@media (min-width: 768px) {
  .page-about .axis-marker {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }
}

.page-about .axis-body {
  min-width: 0;
}

.page-about .axis-body > .eyebrow {
  margin: 0 0 0.7em;
}

.page-about .axis-body .display-2 {
  margin: 0 0 0.5em;
}

.page-about .axis-body .prose {
  max-width: 700px;
  margin: 0 0 1em;
}

.page-about .axis-body .prose:last-child {
  margin-bottom: 0;
}

.page-about .axis-note {
  max-width: 700px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--fg-mist);
}

.page-about .axis-note a {
  color: var(--fg-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 230, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .axis-note a:hover {
  color: var(--fg-ember);
  border-bottom-color: var(--fg-ember);
}

/* ---------- 01 规模数字 ---------- */
.page-about .fact-band {
  list-style: none;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--fg-line);
  border: 1px solid var(--fg-line-strong);
  overflow: hidden;
}

@media (min-width: 768px) {
  .page-about .fact-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .fact {
  min-width: 0;
  background: var(--fg-night);
  padding: clamp(16px, 2.6vw, 26px) clamp(14px, 2.2vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: background-color 0.25s ease;
}

.page-about .fact:hover {
  background: var(--fg-void);
}

.page-about .fact-num {
  font-family: var(--fg-font-index);
  font-size: clamp(1.55rem, 4.6vw, 2.35rem);
  font-weight: 700;
  line-height: 1;
  color: var(--fg-cyan);
  letter-spacing: -0.01em;
  text-shadow: 0 0 18px rgba(34, 230, 230, 0.3);
}

.page-about .fact-num em {
  font-style: normal;
  margin-left: 0.14em;
  font-size: 0.48em;
  color: var(--fg-mist);
  text-shadow: none;
}

.page-about .fact-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--fg-ice);
}

.page-about .fact-note {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--fg-mist);
}

/* ---------- 02 产品线 ---------- */
.page-about .about-media {
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  border: 1px solid var(--fg-line-strong);
}

.page-about .about-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-media--ring {
  max-width: 420px;
}

.page-about .line-block {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-about .line-block .filterbar {
  margin-bottom: 18px;
}

.page-about .line-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

@media (min-width: 900px) {
  .page-about .line-panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .line-panel:nth-child(2) {
    margin-top: 26px;
  }

  .page-about .line-panel:nth-child(3) {
    margin-top: 52px;
  }
}

.page-about .line-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--fg-night);
  border: 1px solid var(--fg-line-strong);
  border-left: 4px solid var(--fg-purple);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .line-panel[data-cat="screen"] {
  border-left-color: var(--fg-cyan);
}

.page-about .line-panel[data-cat="home"] {
  border-left-color: var(--fg-pink);
}

.page-about .line-panel[data-cat="enterprise"] {
  border-left-color: var(--fg-orange);
}

.page-about .line-panel:hover {
  transform: translateY(-4px);
  box-shadow: var(--fg-shadow-hard);
}

.page-about .line-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-about .line-panel__title {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--fg-ice);
}

.page-about .line-panel__ver {
  padding: 2px 8px;
  border: 1px solid rgba(34, 230, 230, 0.4);
  color: var(--fg-cyan);
  font-size: 0.78rem;
}

.page-about .line-panel__pos {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--fg-mist);
}

.page-about .line-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--fg-ice);
}

.page-about .line-panel__list li {
  position: relative;
  padding-left: 16px;
}

.page-about .line-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 1px;
  background: var(--fg-cyan);
}

.page-about .line-panel__link {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--fg-line);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--fg-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .line-panel__link:hover {
  color: var(--fg-ember);
}

/* ---------- 03 发展轨迹 ---------- */
.page-about .track {
  margin-top: clamp(22px, 3.5vw, 34px);
  border-top: 1px solid var(--fg-line-strong);
}

.page-about .track-node {
  border-bottom: 1px solid var(--fg-line);
}

.page-about .track-node > summary {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(14px, 2.2vw, 20px) 4px;
  cursor: pointer;
  list-style: none;
}

.page-about .track-node > summary::-webkit-details-marker {
  display: none;
}

.page-about .track-node > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--fg-font-index);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--fg-cyan);
}

.page-about .track-node[open] > summary::after {
  content: "−";
  color: var(--fg-pink);
}

.page-about .track-year {
  flex: 0 0 auto;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  color: var(--fg-cyan);
}

.page-about .track-label {
  font-size: clamp(1rem, 2.2vw, 1.16rem);
  font-weight: 700;
  color: var(--fg-ice);
}

.page-about .track-node .accordion__body {
  padding: 0 4px clamp(18px, 3vw, 26px);
}

.page-about .track-node .accordion__body p {
  margin: 0;
  max-width: 68ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--fg-mist);
}

/* ---------- 04 内容节奏 ---------- */
.page-about .cadence {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .cadence li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  background: var(--fg-night);
  border: 1px solid var(--fg-line-strong);
}

.page-about .cadence-num {
  font-family: var(--fg-font-index);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1;
  color: var(--fg-orange);
  min-width: 1.3em;
}

.page-about .cadence-label {
  font-size: 0.9rem;
  color: var(--fg-ice);
}

/* ---------- 05 团队 ---------- */
.page-about .team-figures {
  margin-top: clamp(20px, 3.5vw, 32px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--fg-line);
  border: 1px solid var(--fg-line-strong);
  overflow: hidden;
}

@media (min-width: 700px) {
  .page-about .team-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .team-figure {
  min-width: 0;
  padding: clamp(18px, 3vw, 26px);
  background: var(--fg-night);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .team-num {
  font-family: var(--fg-font-index);
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--fg-violet);
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.35);
}

.page-about .team-role {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--fg-ice);
}

.page-about .team-desc {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--fg-mist);
}

/* ---------- 06 生态与荣誉 ---------- */
.page-about .eco-cluster {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(18px, 3vw, 32px);
}

.page-about .eco-core {
  position: relative;
  flex: 0 0 auto;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  border: 1px solid var(--fg-cyan);
  background: radial-gradient(circle at 50% 38%, rgba(34, 230, 230, 0.18) 0%, rgba(5, 4, 10, 0) 72%);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 3px;
  box-shadow: 0 0 34px rgba(34, 230, 230, 0.2);
}

.page-about .eco-core::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 1px dashed rgba(34, 230, 230, 0.32);
}

.page-about .eco-core-num {
  font-family: var(--fg-font-index);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--fg-ice);
}

.page-about .eco-core-num em {
  font-style: normal;
  margin-left: 0.06em;
  font-size: 0.62em;
  color: var(--fg-cyan);
}

.page-about .eco-core-label {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--fg-mist);
}

.page-about .eco-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .eco-cat {
  padding: 9px 18px;
  border: 1px solid var(--fg-line-strong);
  font-size: 0.86rem;
  color: var(--fg-ice);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-about .eco-cat:hover {
  border-color: var(--fg-cyan);
  color: var(--fg-cyan);
  background: var(--fg-cyan-soft);
}

.page-about .honor-block {
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(22px, 3.5vw, 34px);
  border-top: 1px solid var(--fg-line);
}

.page-about .honor-block .prose {
  margin-bottom: 1.1em;
}

.page-about .honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 560px;
}

.page-about .honor-list li {
  position: relative;
  padding: 14px 18px 14px 42px;
  border-left: 3px solid var(--fg-pink);
  background: var(--fg-night);
  font-size: 0.94rem;
  color: var(--fg-ice);
}

.page-about .honor-list li::before {
  content: "★";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.82rem;
  color: var(--fg-pink);
}

@media (prefers-reduced-motion: reduce) {
  .page-about .line-panel,
  .page-about .fact,
  .page-about .eco-cat,
  .page-about .axis-note a {
    transition: none;
  }

  .page-about .line-panel:hover {
    transform: none;
  }
}
<<<END>>>