.page-about {
  --about-anim: .22s ease;
  background: var(--bg);
}

/* ===== Hero 首屏 ===== */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  color: var(--footer-ink);
  background: linear-gradient(140deg, #1D3557 0%, #101D31 100%);
  padding: 7.5rem 1.5rem 3.25rem;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 320px;
  height: 480px;
  background: var(--brand);
  transform: rotate(14deg);
  opacity: .14;
  border-radius: 24px;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--highlight) 100%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
}

.page-about .about-hero .breadcrumbs__list {
  color: rgba(253, 246, 227, .72);
}

.page-about .about-hero .breadcrumbs__link {
  color: rgba(253, 246, 227, .72);
}

.page-about .about-hero .breadcrumbs__link:hover {
  color: #FFFFFF;
}

.page-about .about-hero .breadcrumbs__current {
  color: rgba(253, 246, 227, .95);
}

.page-about .about-hero__kicker {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 1.75rem 0 0;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand);
  font-size: .95rem;
}

.page-about .about-hero__inner h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: .7rem 0 1rem;
  color: var(--footer-ink);
}

.page-about .about-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(253, 246, 227, .82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 1.75rem;
}

.page-about .about-hero .btn--ghost {
  background: rgba(253, 246, 227, .12);
  color: #FDF6E3;
  border-color: rgba(253, 246, 227, .32);
}

.page-about .about-hero .btn--primary {
  box-shadow: 0 12px 24px rgba(0, 0, 0, .28);
}

.page-about .about-hero__stats {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 1.25rem;
  max-width: 820px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 -6px 0 rgba(255, 255, 255, .14), 0 24px 40px rgba(0, 0, 0, .28);
}

.page-about .about-hero__stats div {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .9rem 1.1rem;
}

.page-about .about-hero__stats dt {
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .about-hero__stats dd {
  margin: .2rem 0 0;
  font-family: var(--font-number);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--deep);
}

/* ===== 杂志布局 ===== */
.page-about .about-layout {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

@media (min-width: 960px) {
  .page-about .about-layout {
    display: grid;
    grid-template-columns: minmax(0, 230px) minmax(0, 1fr);
    gap: 3.75rem;
    align-items: start;
    padding-top: 3.5rem;
  }
}

/* ===== 章节索引 ===== */
.page-about .about-index {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  box-shadow: 0 12px 28px rgba(29, 53, 87, .08);
}

.page-about .about-index__label {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--deep);
  font-weight: 700;
  font-size: 1rem;
  margin: 0;
}

.page-about .about-index__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  padding: .4rem .2rem;
  border-bottom: 2px solid transparent;
  transition: color var(--about-anim), border-color var(--about-anim);
}

.page-about .about-index__link span {
  font-family: var(--font-number);
  font-weight: 700;
  color: var(--brand);
}

.page-about .about-index__link:hover {
  color: var(--deep);
  border-bottom-color: var(--brand);
}

.page-about .about-index__note {
  margin: 1rem 0 0;
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px dashed var(--border);
  padding-top: .75rem;
}

@media (min-width: 960px) {
  .page-about .about-index {
    position: sticky;
    top: 6.5rem;
    align-self: start;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: .15rem;
    margin-top: 1.2rem;
  }

  .page-about .about-index__link {
    padding: .55rem .2rem;
  }
}

/* ===== 章节通用 ===== */
.page-about .about-article {
  min-width: 0;
}

.page-about .about-section {
  margin-bottom: 5rem;
  scroll-margin-top: 6.5rem;
}

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

.page-about .about-section__header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 2rem;
}

.page-about .about-section__num {
  font-family: var(--font-number);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--brand);
}

.page-about .about-section__kicker {
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .3rem;
}

.page-about .about-section__header h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.15;
  color: var(--deep);
}

/* ===== 品牌故事 ===== */
.page-about .about-story__grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-story__copy p {
  margin: 0 0 1.1rem;
  max-width: 68ch;
  line-height: 1.75;
  color: var(--ink);
}

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

.page-about .about-story__figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  align-self: start;
  box-shadow: 0 10px 26px rgba(29, 53, 87, .08);
}

.page-about .about-story__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 12px;
}

.page-about .about-story__figure figcaption {
  font-size: .82rem;
  line-height: 1.55;
  color: var(--muted);
  margin-top: .8rem;
}

.page-about .about-story__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  padding: 0;
  margin: 1.5rem 0 0;
}

.page-about .about-story__tags li {
  border: 1px dashed var(--deep);
  color: var(--deep);
  background: rgba(29, 53, 87, .04);
  border-radius: 999px;
  padding: .32rem .85rem;
  font-size: .82rem;
  font-weight: 600;
}

@media (min-width: 860px) {
  .page-about .about-story__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

/* ===== 发展历程时间轴 ===== */
.page-about .about-timeline {
  --tl-line: 1.25rem;
  position: relative;
  border-left: 3px solid var(--border);
  padding-left: var(--tl-line);
  margin: 2.25rem 0 3rem;
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 2.4rem;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: 5px;
  left: calc(-1 * var(--tl-line) - 10px);
  width: 14px;
  height: 14px;
  background: var(--brand);
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 3px var(--brand);
  transform: rotate(45deg);
  border-radius: 3px;
}

.page-about .about-timeline__marker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem .8rem;
  margin-bottom: .45rem;
}

.page-about .about-timeline__year {
  font-family: var(--font-number);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--deep);
  letter-spacing: .02em;
}

.page-about .about-timeline__version {
  background: var(--brand);
  color: #FFFFFF;
  border-radius: 999px;
  padding: .1rem .7rem;
  font-family: var(--font-number);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  transition: transform var(--about-anim), box-shadow var(--about-anim);
}

.page-about .about-timeline__item:hover .about-timeline__version {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 107, 53, .5);
}

.page-about .about-timeline__body h3 {
  margin: 0 0 .4rem;
  font-size: 1.15rem;
  color: var(--ink);
}

.page-about .about-timeline__body p {
  margin: 0;
  max-width: 64ch;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 860px) {
  .page-about .about-timeline {
    --tl-line: 2rem;
  }

  .page-about .about-timeline__marker {
    flex-wrap: nowrap;
  }

  .page-about .about-timeline__version {
    font-size: .78rem;
  }
}

/* ===== 增长数据面板 ===== */
.page-about .about-growth {
  position: relative;
  overflow: hidden;
  margin-top: 3rem;
  background: var(--deep);
  color: var(--footer-ink);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: grid;
  gap: 1.5rem;
}

.page-about .about-growth::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 200px;
  height: 200px;
  background: var(--brand);
  opacity: .14;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-about .about-growth > * {
  position: relative;
  z-index: 1;
}

.page-about .about-growth__figure {
  margin: 0;
}

.page-about .about-growth__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.page-about .about-growth__figure figcaption {
  margin-top: .55rem;
  font-size: .8rem;
  color: rgba(253, 246, 227, .68);
}

.page-about .about-growth__text h3 {
  margin: 0 0 .6rem;
  font-size: 1.3rem;
  color: var(--footer-ink);
}

.page-about .about-growth__text p {
  margin: 0;
  max-width: 52ch;
  line-height: 1.7;
  color: rgba(253, 246, 227, .78);
  font-size: .95rem;
}

.page-about .about-growth__stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin: 1.25rem 0 0;
  padding: 0;
}

.page-about .about-growth__stats li {
  background: rgba(253, 246, 227, .1);
  border-left: 3px solid var(--brand);
  padding: .7rem 1rem;
  border-radius: 0 10px 10px 0;
}

.page-about .about-growth__stats strong {
  display: block;
  font-family: var(--font-number);
  font-size: 1.55rem;
  line-height: 1.2;
  color: var(--highlight);
}

.page-about .about-growth__stats span {
  font-size: .8rem;
  color: rgba(253, 246, 227, .74);
}

@media (min-width: 840px) {
  .page-about .about-growth {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: center;
    padding: 2rem;
  }
}

/* ===== 团队文化 ===== */
.page-about .about-culture__grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

.page-about .about-culture__figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem;
  box-shadow: 0 10px 26px rgba(29, 53, 87, .08);
}

.page-about .about-culture__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
}

.page-about .about-culture__figure figcaption {
  font-size: .8rem;
  color: var(--muted);
  margin-top: .7rem;
  text-align: center;
}

.page-about .about-culture__copy p {
  margin: 0 0 1.1rem;
  line-height: 1.75;
  color: var(--ink);
  max-width: 64ch;
}

.page-about .about-culture__copy p:last-of-type {
  margin-bottom: 0;
}

.page-about .about-culture__values {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-about .about-culture__values li {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--deep);
  padding: .35rem .85rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(29, 53, 87, .06);
}

.page-about .about-culture__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  background: rgba(42, 157, 143, .08);
  border-left: 4px solid var(--success);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
}

.page-about .about-culture__note p {
  margin: 0;
  max-width: 60ch;
  line-height: 1.65;
  color: var(--ink);
  font-size: .95rem;
}

@media (min-width: 800px) {
  .page-about .about-culture__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 2rem;
  }
}

/* ===== 联系引导 ===== */
.page-about .about-connect {
  display: grid;
  gap: 1.5rem;
}

.page-about .about-connect__card {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--footer-ink);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.page-about .about-connect__card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  background: var(--brand);
  transform: rotate(12deg);
  opacity: .16;
}

.page-about .about-connect__card > * {
  position: relative;
  z-index: 1;
}

.page-about .about-connect__card h3 {
  margin: 0 0 .6rem;
  font-size: 1.35rem;
  color: var(--footer-ink);
}

.page-about .about-connect__card > p {
  margin: 0;
  max-width: 46ch;
  line-height: 1.7;
  color: rgba(253, 246, 227, .78);
  font-size: .95rem;
}

.page-about .about-connect__meta {
  list-style: none;
  display: grid;
  gap: .55rem;
  margin: 1.25rem 0 1.5rem;
  padding: 0;
}

.page-about .about-connect__meta li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px dashed rgba(253, 246, 227, .22);
  padding-bottom: .5rem;
  font-size: .92rem;
  color: var(--footer-ink);
}

.page-about .about-connect__meta span {
  color: rgba(253, 246, 227, .62);
  font-size: .82rem;
  white-space: nowrap;
}

.page-about .about-connect__links {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 10px 26px rgba(29, 53, 87, .08);
}

.page-about .about-connect__links h3 {
  margin: 0 0 .5rem;
  font-size: 1.2rem;
  color: var(--deep);
}

.page-about .about-connect__links > p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.65;
}

.page-about .about-connect__links ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.page-about .about-connect__links li {
  border-bottom: 1px dashed var(--border);
}

.page-about .about-connect__links li:last-child {
  border-bottom: 0;
}

.page-about .about-connect__links a {
  display: block;
  padding: .75rem .25rem;
  color: var(--deep);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--about-anim), padding-left var(--about-anim);
}

.page-about .about-connect__links a:hover {
  color: var(--brand);
  padding-left: .75rem;
}

@media (min-width: 800px) {
  .page-about .about-connect {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }
}