.page-about {
  --about-neon-soft: rgba(168, 85, 247, 0.22);
  --about-bolt-soft: rgba(45, 156, 219, 0.18);
  --about-amber-soft: rgba(245, 158, 11, 0.16);
  --about-track: rgba(196, 181, 253, 0.22);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(18px, 3.4vw, 32px) var(--edge) 0;
}

/* ---------- 通用章节 ---------- */
.page-about .section {
  padding: clamp(52px, 8vw, 108px) 0;
}

.page-about .section--tight {
  padding: clamp(40px, 6vw, 78px) 0;
}

.page-about .container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--edge);
}

.page-about .section__head {
  max-width: 68ch;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-about .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-about .display {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--paper);
  line-height: 1.14;
  margin: 0 0 18px;
  letter-spacing: -0.015em;
}

.page-about .display--xl {
  font-size: clamp(38px, 6.6vw, 76px);
}

.page-about .display--lg {
  font-size: clamp(28px, 4vw, 46px);
}

.page-about .lede {
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
  max-width: 66ch;
}

.page-about .mono-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(34px, 5vw, 68px);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-about .about-hero__copy .display--xl {
  margin-bottom: 22px;
}

.page-about .about-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-about .about-hero__meta .mono-tag {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(18, 18, 42, 0.7);
}

.page-about .about-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
  box-shadow: 0 26px 60px -30px var(--about-neon-soft);
}

.page-about .about-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 18, 0) 42%, var(--scrim) 100%);
  pointer-events: none;
}

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

.page-about .about-hero__cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper);
  padding: 6px 12px;
  border: 1px solid rgba(168, 85, 247, 0.55);
  border-radius: 999px;
  background: rgba(10, 10, 18, 0.72);
}

/* ---------- 起点与定位 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
  border-top: 1px solid var(--line);
  padding-top: clamp(28px, 4vw, 48px);
}

.page-about .about-origin__body p {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.9;
  color: var(--paper);
  margin: 0 0 18px;
}

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

.page-about .about-origin__sign {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--bolt);
  letter-spacing: 0.05em;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

/* ---------- 团队分工 ---------- */
.page-about .about-team {
  background: linear-gradient(180deg, var(--ink) 0%, var(--deep) 48%, var(--ink) 100%);
}

.page-about .about-team__grid {
  display: grid;
  gap: var(--gap);
}

.page-about .about-team__card {
  position: relative;
  padding: 26px 24px 22px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-about .about-team__card:hover,
.page-about .about-team__card:focus-within {
  transform: translateY(-5px);
  border-color: var(--neon);
  box-shadow: 0 22px 48px -26px var(--about-neon-soft);
}

.page-about .about-team__card .card__label {
  align-self: flex-start;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--amber);
  background: rgba(245, 158, 11, 0.08);
  letter-spacing: 0.08em;
}

.page-about .about-team__name {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.3vw, 27px);
  font-weight: 800;
  margin: 0;
  color: var(--paper);
}

.page-about .about-team__desc {
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
  margin: 0;
}

.page-about .about-team__more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  margin-top: 4px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .about-team__more:hover {
  color: var(--paper);
  border-color: var(--neon);
  background: rgba(168, 85, 247, 0.12);
}

.page-about .about-team__more .disclosure__icon {
  position: relative;
  width: 10px;
  height: 10px;
  flex: none;
}

.page-about .about-team__more .disclosure__icon::before,
.page-about .about-team__more .disclosure__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-about .about-team__more .disclosure__icon::before {
  left: 0;
  top: 4px;
  width: 10px;
  height: 2px;
}

.page-about .about-team__more .disclosure__icon::after {
  left: 4px;
  top: 0;
  width: 2px;
  height: 10px;
}

.page-about .about-team__more[aria-expanded="true"] .disclosure__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-about .about-team__panel {
  margin-top: 6px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.page-about .about-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-about .about-team__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .about-team__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--bolt);
}

.page-about .about-team__figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  position: relative;
}

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

.page-about .about-team__cap {
  position: absolute;
  right: 14px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(45, 156, 219, 0.55);
  background: rgba(10, 10, 18, 0.74);
}

/* ---------- 版本时间轴 ---------- */
.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon), var(--bolt) 55%, var(--line));
  border-radius: 2px;
}

.page-about .about-timeline__node {
  position: relative;
  display: grid;
  gap: 10px;
}

.page-about .about-timeline__node::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--neon);
  box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.14);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-about .about-timeline__node:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.18);
}

.page-about .about-timeline__year {
  display: inline-block;
  align-self: start;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(45, 156, 219, 0.1);
  border: 1px solid rgba(45, 156, 219, 0.4);
  color: var(--bolt);
  letter-spacing: 0.12em;
  font-weight: 700;
}

.page-about .about-timeline__card {
  padding: 20px 20px 18px;
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-about .about-timeline__node:hover .about-timeline__card {
  transform: translateX(4px);
  border-color: rgba(168, 85, 247, 0.6);
}

.page-about .about-timeline__card h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-timeline__card p {
  font-size: 14.5px;
  line-height: 1.84;
  color: var(--muted);
  margin: 0;
}

.page-about .about-timeline__figure {
  margin: clamp(30px, 4vw, 46px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  position: relative;
  background: var(--deep);
}

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

.page-about .about-timeline__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(168, 85, 247, 0.5);
  background: rgba(10, 10, 18, 0.74);
}

/* ---------- 更新节奏 ---------- */
.page-about .about-rhythm {
  background: var(--deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-rhythm__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-about .about-rhythm__head .lede {
  max-width: 58ch;
}

.page-about .about-rhythm__meter {
  display: grid;
  gap: 12px;
}

.page-about .about-rhythm__bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(196, 181, 253, 0.14);
  overflow: hidden;
}

.page-about .about-rhythm__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-about .about-rhythm__fill--neon {
  width: 88%;
  background: linear-gradient(90deg, var(--neon), var(--bolt));
}

.page-about .about-rhythm__fill--bolt {
  width: 62%;
  background: linear-gradient(90deg, var(--bolt), var(--cyan));
}

.page-about .about-rhythm__fill--amber {
  width: 42%;
  background: linear-gradient(90deg, var(--amber), var(--neon));
}

.page-about .about-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--gap);
}

.page-about .about-rhythm__item {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 10, 18, 0.6);
}

.page-about .about-rhythm__item .mono-tag {
  display: inline-block;
  color: var(--amber);
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.1);
  margin-bottom: 14px;
}

.page-about .about-rhythm__item h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-rhythm__item p {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
  margin: 0;
}

/* ---------- 服务范围 ---------- */
.page-about .about-region__grid {
  display: grid;
  gap: var(--gap);
}

.page-about .about-region__card {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(168, 85, 247, 0.09) 0%, rgba(10, 10, 18, 0.9) 60%);
  overflow: hidden;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.page-about .about-region__card--alt {
  background: linear-gradient(150deg, rgba(45, 156, 219, 0.1) 0%, rgba(10, 10, 18, 0.9) 60%);
}

.page-about .about-region__card:hover {
  transform: translateY(-4px);
  border-color: var(--neon);
}

.page-about .about-region__pin {
  position: absolute;
  right: 20px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 6px rgba(245, 158, 11, 0.14);
}

.page-about .about-region__card--alt .about-region__pin {
  background: var(--bolt);
  box-shadow: 0 0 0 6px rgba(45, 156, 219, 0.14);
}

.page-about .about-region__card .mono-tag {
  display: inline-block;
  color: var(--muted);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 16px;
}

.page-about .about-region__card h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-about .about-region__card p {
  font-size: 14.5px;
  line-height: 1.84;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-about .about-region__hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--bolt);
  letter-spacing: 0.03em;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  margin: 0;
}

.page-about .about-region__cta {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-region__cta a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 85, 247, 0.55);
  padding-bottom: 2px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .about-region__cta a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 合作与认可 ---------- */
.page-about .about-partner {
  background: radial-gradient(120% 90% at 12% 0%, rgba(168, 85, 247, 0.16) 0%, transparent 58%), var(--ink);
}

.page-about .about-partner__grid {
  display: grid;
  gap: var(--gap);
}

.page-about .about-partner__stat {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 18, 42, 0.72);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-about .about-partner__num {
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 700;
  color: var(--neon);
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-about .about-partner__label {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--paper);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-partner__stat p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.page-about .about-partner__strip {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3vw, 30px);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 20px;
  background: rgba(10, 10, 18, 0.5);
}

.page-about .about-partner__strip p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}

.page-about .about-partner__strip a:not(.btn) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.5);
}

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

/* ---------- 滚动显现兜底 ---------- */
.page-about [data-reveal] {
  opacity: 1;
}

.page-about.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.page-about.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .page-about.js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 980px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(30px, 5vw, 70px);
  }

  .page-about .about-origin__intro .display--lg {
    margin-bottom: 0;
  }

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

  .page-about .about-timeline__list {
    padding-left: 28px;
  }

  .page-about .about-timeline__node {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-about .about-timeline__node::before {
    left: -28px;
    top: 10px;
  }

  .page-about .about-timeline__year {
    margin-top: 2px;
    text-align: center;
  }

  .page-about .about-rhythm__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-about .about-rhythm__meter {
    grid-column: 1;
    margin-top: 8px;
  }

  .page-about .about-rhythm__list {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

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

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

@media (min-width: 1240px) {
  .page-about .about-timeline__node {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 28px;
  }
}
<<<END>>>