.page-about {
  --ha-warm: rgba(216, 199, 168, 0.18);
  --ha-panel-soft: rgba(15, 43, 49, 0.72);
}

.page-about .ha-crumb {
  padding-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-about .ha-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2.2rem) 0 clamp(2.4rem, 6vw, 4rem);
  border-bottom: 1px solid var(--hy-line);
}

.page-about .ha-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-about .ha-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-about .ha-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 95% at 8% 0%, var(--ha-warm), transparent 58%),
    linear-gradient(180deg, rgba(8, 26, 31, 0.62), var(--hy-night) 86%);
}

.page-about .ha-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-about .ha-hero__title {
  margin: 0.6rem 0 0;
  font-family: var(--hy-font-head);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--hy-paper);
  max-width: 16em;
}

.page-about .ha-hero__intro {
  margin: 1rem 0 0;
  max-width: 40ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--hy-mist);
}

.page-about .ha-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-about .ha-facts {
  background: var(--ha-panel-soft);
  border: 1px solid var(--hy-line);
  border-radius: var(--hy-radius-l);
  padding: 1.2rem 1.3rem 1rem;
}

.page-about .ha-facts__cap {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--hy-gold);
}

.page-about .ha-facts__list {
  margin: 0;
}

.page-about .ha-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--hy-line);
}

.page-about .ha-facts__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .ha-facts__row dt {
  font-size: 0.82rem;
  color: var(--hy-mist);
}

.page-about .ha-facts__row dd {
  margin: 0;
  font-size: 1rem;
  color: var(--hy-paper);
  letter-spacing: 0.02em;
}

.page-about .ha-body {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  padding: clamp(2rem, 5vw, 3.2rem) 0 clamp(3rem, 7vw, 4.6rem);
}

.page-about .ha-toc {
  display: none;
}

.page-about .ha-toc__cap {
  margin: 0 0 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--hy-mist);
}

.page-about .ha-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
  border-left: 1px solid var(--hy-line);
}

.page-about .ha-toc__link {
  display: block;
  margin-left: -1px;
  padding: 0.2rem 0 0.2rem 0.9rem;
  border-left: 2px solid transparent;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--hy-mist);
  text-decoration: none;
  transition: color 0.2s var(--hy-ease), border-color 0.2s var(--hy-ease);
}

.page-about .ha-toc__link:hover,
.page-about .ha-toc__link:focus-visible,
.page-about .ha-toc__link[aria-current="true"] {
  color: var(--hy-gold);
  border-left-color: var(--hy-signal);
}

.page-about .ha-section {
  padding-top: clamp(1.6rem, 3.6vw, 2.2rem);
  border-top: 1px solid var(--hy-line);
}

.page-about .ha-section + .ha-section {
  margin-top: clamp(2rem, 5vw, 3.2rem);
}

.page-about .ha-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1rem;
  margin-bottom: 1.1rem;
}

.page-about .ha-idx {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  letter-spacing: 0.04em;
  color: var(--hy-gold);
}

.page-about .ha-section__title {
  margin: 0;
  flex: 1 1 16rem;
  font-family: var(--hy-font-head);
  font-weight: 700;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--hy-paper);
}

.page-about .ha-section__note {
  margin: 0;
  flex: 0 0 auto;
  font-size: 0.78rem;
  color: var(--hy-mist);
}

.page-about .hy-prose {
  margin: 0 0 1rem;
  color: var(--hy-mist);
}

.page-about .ha-note {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: 1.4rem;
  padding: 1rem 1.15rem;
  border-radius: var(--hy-radius-m);
  background: rgba(28, 66, 72, 0.35);
  border-left: 2px solid var(--hy-gold);
}

.page-about .ha-note p {
  margin: 0;
  flex: 1 1 16rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--hy-paper);
}

/* 时间轴 */
.page-about .ha-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .ha-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--hy-gold), var(--hy-line) 42%, var(--hy-line));
}

.page-about .ha-tl {
  position: relative;
  padding: 0 0 1.5rem 1.8rem;
}

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

.page-about .ha-tl::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--hy-gold);
  box-shadow: 0 0 0 4px rgba(227, 168, 78, 0.14);
  transition: box-shadow 0.22s var(--hy-ease), transform 0.22s var(--hy-ease);
}

.page-about .ha-tl:hover::before {
  transform: scale(1.18);
  box-shadow: 0 0 0 7px rgba(227, 168, 78, 0.2);
}

.page-about .ha-tl--now::before {
  background: var(--hy-signal);
  box-shadow: 0 0 0 5px rgba(255, 106, 61, 0.18);
}

.page-about .ha-tl__body {
  padding: 0.55rem 0.85rem;
  margin-left: -0.85rem;
  border-radius: var(--hy-radius-m);
  transition: background 0.22s var(--hy-ease);
}

.page-about .ha-tl:hover .ha-tl__body {
  background: rgba(15, 43, 49, 0.66);
}

.page-about .ha-tl__year {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--hy-gold);
}

.page-about .ha-tl--now .ha-tl__year {
  color: var(--hy-signal);
}

.page-about .ha-tl__title {
  margin: 0.24rem 0 0.3rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--hy-paper);
}

.page-about .ha-tl__desc {
  margin: 0;
  max-width: 42ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--hy-mist);
}

/* 团队 */
.page-about .ha-team {
  margin-top: 1.4rem;
}

.page-about .ha-team__bar {
  display: flex;
  width: 100%;
  height: 44px;
  border-radius: var(--hy-radius-pill);
  overflow: hidden;
  border: 1px solid var(--hy-line);
}

.page-about .ha-team__seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--hy-font-mono);
  font-size: 0.72rem;
  color: var(--hy-night);
  transition: filter 0.2s var(--hy-ease);
}

.page-about .ha-team__seg:hover {
  filter: brightness(1.14);
}

.page-about .ha-team__seg span {
  display: none;
}

.page-about .ha-team__seg--a {
  flex: 26 1 0;
  background: var(--hy-gold);
}

.page-about .ha-team__seg--b {
  flex: 18 1 0;
  background: var(--hy-mist);
}

.page-about .ha-team__seg--c {
  flex: 12 1 0;
  background: var(--hy-mint);
}

.page-about .ha-team__seg--d {
  flex: 12 1 0;
  background: var(--hy-sand);
}

.page-about .ha-team__roles {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-about .ha-role {
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--hy-line);
  border-radius: var(--hy-radius-m);
  background: rgba(15, 43, 49, 0.42);
  transition: border-color 0.2s var(--hy-ease), background 0.2s var(--hy-ease);
}

.page-about .ha-role:hover {
  border-color: rgba(227, 168, 78, 0.55);
  background: rgba(15, 43, 49, 0.78);
}

.page-about .ha-role__num {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--hy-gold);
  letter-spacing: 0.02em;
}

.page-about .ha-role__name {
  margin: 0.4rem 0 0.35rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--hy-paper);
}

.page-about .ha-role__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--hy-mist);
}

/* 图像 */
.page-about .ha-figure {
  margin: 1.5rem 0 0;
}

.page-about .ha-figure img {
  max-width: 100%;
  height: auto;
}

/* 服务网络 */
.page-about .ha-net {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-about .ha-net__item {
  padding: 0.95rem 1.05rem;
  border-left: 2px solid var(--hy-mist);
  background: rgba(28, 66, 72, 0.28);
  border-radius: 0 var(--hy-radius-m) var(--hy-radius-m) 0;
}

.page-about .ha-net__title {
  margin: 0 0 0.3rem;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--hy-paper);
}

.page-about .ha-net__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--hy-mist);
}

/* 生态 */
.page-about .ha-eco {
  margin-top: 1.4rem;
  display: grid;
  gap: 0.9rem;
}

.page-about .ha-eco__item {
  padding: 1.05rem 1.1rem 1.15rem;
  border: 1px solid var(--hy-line);
  border-radius: var(--hy-radius-l);
  background: linear-gradient(160deg, rgba(15, 43, 49, 0.85), rgba(8, 26, 31, 0.6));
}

.page-about .ha-eco__title {
  margin: 0.65rem 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--hy-paper);
}

.page-about .ha-eco__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--hy-mist);
}

/* 资质 */
.page-about .ha-tags {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .ha-cred {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

.page-about .ha-cred__cell {
  padding: 1.05rem 1.15rem;
  border-radius: var(--hy-radius-m);
  background: rgba(28, 66, 72, 0.32);
  border-top: 1px solid var(--hy-line);
}

.page-about .ha-cred__num {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  line-height: 1.1;
  color: var(--hy-sand);
  letter-spacing: -0.01em;
}

.page-about .ha-cred__label {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.82rem;
  color: var(--hy-paper);
}

.page-about .ha-cred__desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--hy-mist);
}

/* 流程与结尾 */
.page-about .ha-flow {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-about .ha-flow__step {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.95rem;
  border: 1px dashed var(--hy-line);
  border-radius: var(--hy-radius-pill);
  font-size: 0.88rem;
  color: var(--hy-paper);
  transition: border-color 0.2s var(--hy-ease), border-style 0.2s var(--hy-ease);
}

.page-about .ha-flow__step:hover {
  border-style: solid;
  border-color: var(--hy-gold);
}

.page-about .ha-flow__step .hy-mono {
  font-size: 0.74rem;
  color: var(--hy-gold);
  letter-spacing: 0.1em;
}

.page-about .ha-cta {
  margin-top: 1.8rem;
  padding: clamp(1.2rem, 4vw, 1.8rem);
  border-radius: var(--hy-radius-l);
  background:
    radial-gradient(110% 130% at 0% 0%, var(--ha-warm), transparent 62%),
    var(--hy-panel);
  border: 1px solid var(--hy-line);
  display: grid;
  gap: 1.2rem;
}

.page-about .ha-cta__text h3 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  font-weight: 700;
  color: var(--hy-paper);
}

.page-about .ha-cta__text p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--hy-mist);
}

.page-about .ha-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.page-about .ha-link {
  font-size: 0.86rem;
  color: var(--hy-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--hy-ease);
}

.page-about .ha-link:hover {
  border-bottom-color: var(--hy-signal);
}

@media (min-width: 620px) {
  .page-about .ha-team__seg span {
    display: inline;
  }

  .page-about .ha-team__roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .ha-role:nth-child(even) {
    transform: translateY(14px);
  }

  .page-about .ha-net {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ha-eco {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .ha-eco__item:nth-child(2) {
    transform: translateY(16px);
  }

  .page-about .ha-eco__item:nth-child(4) {
    transform: translateY(16px);
  }

  .page-about .ha-cred {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ha-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-about .ha-flow__step {
    justify-content: center;
  }
}

@media (min-width: 900px) {
  .page-about .ha-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(258px, 320px);
    align-items: end;
  }

  .page-about .ha-hero__intro {
    font-size: 1.05rem;
  }

  .page-about .ha-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-about .ha-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-about .ha-body {
    grid-template-columns: 158px minmax(0, 1fr);
    align-items: start;
  }

  .page-about .ha-toc {
    display: block;
    position: sticky;
    top: calc(var(--hy-header-h) + 28px);
  }

  .page-about .ha-tl {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 1.2rem;
    padding-left: 2rem;
  }

  .page-about .ha-tl__year {
    padding-top: 0.62rem;
    text-align: right;
  }

  .page-about .ha-tl__body {
    margin-left: 0;
  }
}
<<<END>>>