.page-about {
  --about-accent-1: var(--color-purple-bright);
  --about-accent-2: var(--color-green);
  position: relative;
  background-color: var(--color-space);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

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

.page-about a {
  color: var(--color-purple-bright);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about a:hover {
  color: var(--color-green);
}

.page-about :focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 3px;
}

/* 滚动进度条 */
.page-about .about-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-purple-bright), var(--color-green));
  box-shadow: 0 0 14px rgba(57, 255, 136, 0.45);
  z-index: 1300;
  pointer-events: none;
}

/* ===== Hero ===== */
.page-about .about-hero {
  position: relative;
  padding: 150px 20px 62px;
  min-height: 540px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(118deg, rgba(139, 92, 246, 0.32) 0%, rgba(12, 18, 41, 0.92) 48%, rgba(7, 11, 26, 0.98) 100%),
    repeating-linear-gradient(45deg, rgba(139, 92, 246, 0.045) 0 2px, transparent 2px 26px),
    var(--color-deep);
  border-bottom: 2px solid var(--color-line);
  overflow: hidden;
}

.page-about .about-hero__inner {
  max-width: 780px;
}

.page-about .about-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  margin-bottom: 38px;
}

.page-about .about-hero .breadcrumb__link {
  color: var(--color-text-dim);
}

.page-about .about-hero .breadcrumb__link:hover {
  color: var(--color-green);
}

.page-about .about-hero .breadcrumb__sep {
  color: var(--color-text-faint);
}

.page-about .about-hero .breadcrumb__current {
  color: var(--color-text);
  font-weight: 600;
}

.page-about .about-hero__kicker {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-about .about-hero__kicker::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--color-green);
  flex-shrink: 0;
}

.page-about .about-hero__title {
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--color-text);
}

.page-about .about-hero__lead {
  font-size: 1.06rem;
  max-width: 640px;
  color: var(--color-text-dim);
  margin: 0 0 34px;
  line-height: 1.85;
}

.page-about .about-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 580px;
}

.page-about .about-hero__stats li {
  background: rgba(16, 24, 56, 0.76);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-purple);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-hero__stats li:nth-child(even) {
  border-left-color: var(--color-green);
}

.page-about .about-hero__stats li:hover {
  background: rgba(22, 32, 72, 0.85);
  border-color: var(--color-line-green);
}

.page-about .about-hero__stats strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
}

.page-about .about-hero__stats span {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-dim);
  margin-top: 3px;
}

/* ===== 章节标题通用 ===== */
.page-about .section-heading {
  margin-bottom: 44px;
}

.page-about .section-heading__index {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-green);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.3em;
  margin-bottom: 14px;
}

.page-about .section-heading__index::after {
  content: "";
  width: 56px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-purple-bright), transparent);
  display: block;
}

.page-about .section-heading__title {
  font-size: clamp(1.85rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.16;
  color: var(--color-text);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.page-about .section-heading__intro {
  font-size: 0.98rem;
  color: var(--color-text-dim);
  max-width: 520px;
  margin: 0;
  line-height: 1.75;
}

/* ===== 品牌故事 ===== */
.page-about .about-story {
  position: relative;
  padding: 88px 0 58px;
}

.page-about .about-story__inner {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-story__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-box);
}

.page-about .about-story__media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 44%;
  background: linear-gradient(180deg, transparent, rgba(7, 11, 26, 0.78));
  pointer-events: none;
}

.page-about .about-story__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-story__content {
  position: relative;
}

.page-about .about-story__index {
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.28em;
  color: var(--color-green);
  display: block;
  margin-bottom: 16px;
}

.page-about .about-story__content h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  margin: 0 0 18px;
  line-height: 1.18;
  color: var(--color-text);
}

.page-about .about-story__quote {
  border-left: 4px solid var(--color-purple);
  background: var(--color-panel);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  margin: 0 0 24px;
  line-height: 1.65;
}

.page-about .about-story__body {
  color: var(--color-text-dim);
  margin-bottom: 14px;
  line-height: 1.85;
  font-size: 0.97rem;
}

.page-about .about-story__body:last-child {
  margin-bottom: 0;
}

/* ===== 发展里程碑 ===== */
.page-about .about-milestones {
  position: relative;
  padding: 72px 0 48px;
  background:
    linear-gradient(180deg, rgba(139, 92, 246, 0.08) 0%, transparent 34%),
    var(--color-space);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.page-about .about-timeline {
  list-style: none;
  margin: 58px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.55), rgba(57, 255, 136, 0.42));
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 52px 60px;
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__node {
  position: absolute;
  left: 20px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-deep);
  border: 3px solid var(--color-purple-bright);
  box-shadow: 0 0 0 6px rgba(139, 92, 246, 0.14);
  transform: translateX(-50%);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-about .about-timeline__item:nth-child(even) .about-timeline__node {
  border-color: var(--color-green);
  box-shadow: 0 0 0 6px rgba(57, 255, 136, 0.12);
}

.page-about .about-timeline__item:hover .about-timeline__node {
  border-color: var(--color-green);
  background: var(--color-purple-bright);
  box-shadow: 0 0 0 10px rgba(57, 255, 136, 0.18);
}

.page-about .about-timeline__panel {
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-left: 6px solid var(--color-purple);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  transition: box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.page-about .about-timeline__item:nth-child(even) .about-timeline__panel {
  border-left-color: var(--color-green);
}

.page-about .about-timeline__item:hover .about-timeline__panel {
  background: var(--color-panel-2);
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: var(--shadow-purple);
}

.page-about .about-timeline__year {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--color-purple-bright);
  margin-bottom: 10px;
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

.page-about .about-timeline__year::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
  display: inline-block;
}

.page-about .about-timeline__item:hover .about-timeline__year {
  color: var(--color-green);
  text-shadow: 0 0 16px rgba(57, 255, 136, 0.5);
}

.page-about .about-timeline__panel h3 {
  font-size: 1.18rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--color-text);
  line-height: 1.35;
}

.page-about .about-timeline__panel p {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

/* ===== 数据规模 ===== */
.page-about .about-data {
  padding: 80px 0 56px;
}

.page-about .about-data__summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0 0 48px;
}

.page-about .about-data__item {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 22px 12px 20px;
  text-align: center;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-data__item:hover {
  border-color: var(--color-purple);
  box-shadow: var(--shadow-purple);
  transform: translateY(-3px);
}

.page-about .about-data__item strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text);
}

.page-about .about-data__item span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-top: 6px;
}

.page-about .about-data__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .about-data__chart-wrap {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: 26px 20px;
  box-shadow: var(--shadow-box);
}

.page-about .about-data__chart-head h3 {
  font-size: 1.12rem;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--color-text);
}

.page-about .about-data__chart-head p {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  margin: 0 0 18px;
}

.page-about .about-data__chart-body img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  object-fit: cover;
  margin-bottom: 18px;
}

.page-about .about-data__bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 210px;
  padding: 18px 14px 10px;
  background:
    linear-gradient(180deg, rgba(139, 92, 246, 0.08) 1px, transparent 1px),
    var(--color-panel-2);
  background-size: 100% 25%;
  border: 1px solid rgba(139, 92, 246, 0.18);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.page-about .about-data__bar {
  flex: 1;
  min-width: 34px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
  cursor: default;
}

.page-about .about-data__bar i {
  display: block;
  width: 100%;
  height: var(--w);
  min-height: 16px;
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, var(--color-purple-bright), rgba(139, 92, 246, 0.24));
  transition: filter 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-data__bar.is-now i {
  background: linear-gradient(180deg, var(--color-green), rgba(57, 255, 136, 0.16));
  box-shadow: var(--shadow-green);
}

.page-about .about-data__bar:hover i {
  filter: brightness(1.28);
  box-shadow: var(--shadow-purple);
}

.page-about .about-data__bar-value {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-faint);
  text-align: center;
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 0.22s ease, color 0.22s ease;
}

.page-about .about-data__bar:hover .about-data__bar-value {
  opacity: 1;
  color: var(--color-green);
}

.page-about .about-data__bar-year {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  text-align: center;
  margin-top: 6px;
  letter-spacing: 0.02em;
}

.page-about .about-data__model {
  background:
    linear-gradient(145deg, rgba(139, 92, 246, 0.13), transparent 62%),
    var(--color-panel);
  border: 1px solid var(--color-line);
  border-top: 4px solid var(--color-purple);
  border-radius: var(--radius-xl);
  padding: 30px 26px;
}

.page-about .about-data__model h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 14px;
  color: var(--color-text);
}

.page-about .about-data__model p {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0 0 12px;
}

.page-about .about-data__model p:last-child {
  margin-bottom: 0;
}

/* ===== 团队介绍 ===== */
.page-about .about-team {
  padding: 72px 0 56px;
  background:
    linear-gradient(200deg, rgba(57, 255, 136, 0.06) 0%, transparent 42%),
    var(--color-space);
  border-top: 1px solid var(--color-line);
}

.page-about .about-team__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-team__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-box);
}

.page-about .about-team__media img {
  width: 100%;
  object-fit: cover;
}

.page-about .about-team__content h3 {
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.3;
  color: var(--color-text);
}

.page-about .about-team__content > p {
  color: var(--color-text-dim);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-about .about-team__roles {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-team__roles li {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-green);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-about .about-team__roles li:hover {
  background: var(--color-panel-2);
  border-color: var(--color-line-green);
}

.page-about .about-team__roles li:nth-child(2) {
  border-left-color: var(--color-purple);
}

.page-about .about-team__roles li:nth-child(3) {
  border-left-color: var(--color-purple-bright);
}

.page-about .about-team__roles strong {
  display: block;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 3px;
}

.page-about .about-team__roles span {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-about .about-team__ref {
  color: var(--color-text-dim);
  font-size: 0.93rem;
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--color-green);
}

/* ===== 资质与荣誉 ===== */
.page-about .about-cred {
  padding: 72px 0 60px;
  background:
    linear-gradient(120deg, rgba(139, 92, 246, 0.08), rgba(57, 255, 136, 0.04)),
    var(--color-space);
}

.page-about .about-cred__grid {
  display: grid;
  gap: 18px;
  margin-top: 44px;
}

.page-about .about-cred__card {
  position: relative;
  background: var(--color-panel);
  border: 2px solid rgba(139, 92, 246, 0.22);
  border-radius: var(--radius-lg);
  padding: 30px 24px 26px;
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.page-about .about-cred__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78px;
  height: 78px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.16), transparent 68%);
  border-radius: 0 0 0 100%;
  pointer-events: none;
}

.page-about .about-cred__card:hover {
  border-color: rgba(57, 255, 136, 0.48);
  box-shadow: var(--shadow-purple);
  transform: translateY(-3px);
}

.page-about .about-cred__card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 14px 0 8px;
  line-height: 1.3;
}

.page-about .about-cred__card p {
  color: var(--color-text-dim);
  font-size: 0.94rem;
  line-height: 1.78;
  margin: 0;
}

.page-about .about-cred__card .tag {
  display: inline-flex;
}

/* ===== CTA ===== */
.page-about .about-cta {
  padding: 40px 0 84px;
}

.page-about .about-cta__inner {
  position: relative;
  background:
    linear-gradient(135deg, rgba(139, 92, 246, 0.17), transparent 62%),
    linear-gradient(205deg, rgba(57, 255, 136, 0.08), transparent 46%),
    var(--color-panel);
  border: 2px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: 46px 28px 40px;
  overflow: hidden;
}

.page-about .about-cta__inner::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--color-purple-bright), var(--color-green), var(--color-purple));
}

.page-about .about-cta h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--color-text);
  line-height: 1.2;
}

.page-about .about-cta p {
  color: var(--color-text-dim);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 0 28px;
  max-width: 540px;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 桌面端 ===== */
@media (min-width: 860px) {
  .page-about .about-cred__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .about-story {
    padding: 104px 0 76px;
  }

  .page-about .about-story__inner {
    grid-template-columns: 1.08fr 1fr;
    gap: 64px;
  }

  .page-about .about-story__media img {
    min-height: 420px;
  }

  .page-about .about-milestones {
    padding: 92px 0 72px;
  }

  .page-about .about-timeline {
    margin-top: 64px;
  }

  .page-about .about-timeline__panel {
    padding: 26px 30px;
  }

  .page-about .about-team {
    padding: 92px 0 76px;
  }

  .page-about .about-team__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    min-height: 580px;
    padding-top: 176px;
    padding-bottom: 80px;
  }

  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-data {
    padding: 96px 0 72px;
  }

  .page-about .about-data__summary {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-about .about-data__grid {
    grid-template-columns: 1.5fr 0.9fr;
    gap: 36px;
  }

  .page-about .about-data__chart-wrap {
    padding: 30px 26px;
  }

  .page-about .about-data__model {
    padding: 36px 32px;
  }

  .page-about .about-cred {
    padding: 92px 0 76px;
  }

  .page-about .about-cta {
    padding: 36px 0 100px;
  }

  .page-about .about-cta__inner {
    padding: 56px 52px 48px;
  }
}

.page-about {
  --w: 1rem;
}