.page-about {
  --about-grid-line: rgba(158, 240, 208, .12);
  --about-band: rgba(18, 59, 93, .55);
  background: var(--deep);
  color: var(--ink);
}

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

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 0 52px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(115% 130% at 92% -25%, rgba(123, 224, 179, .20) 0%, rgba(123, 224, 179, 0) 58%),
    linear-gradient(180deg, var(--night) 0%, var(--deep) 84%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 94%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 94%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  display: grid;
  gap: 14px;
}

.page-about .about-hero__title {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 7.6vw, 68px);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--foam);
}

.page-about .about-hero__hl {
  color: var(--neon);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-muted);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
  margin: 10px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--about-grid-line);
}

.page-about .about-hero__stat {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-about .about-hero__val {
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-family: var(--font-mono);
  color: var(--teal);
  line-height: 1;
}

.page-about .about-hero__val .data-num {
  font-size: clamp(26px, 5.4vw, 36px);
  font-weight: 700;
  color: var(--neon);
}

.page-about .about-hero__unit {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-muted);
}

.page-about .about-hero__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-faint);
}

/* ---------- 主布局 ---------- */
.page-about .about-layout {
  display: grid;
  gap: 32px;
  padding: 40px 0 64px;
}

.page-about .about-index {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .035);
}

.page-about .about-index__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-about .about-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: about-idx;
}

.page-about .about-index__list li {
  counter-increment: about-idx;
  min-width: 0;
}

.page-about .about-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .about-index__list a::before {
  content: counter(about-idx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--line-strong);
  outline: none;
}

.page-about .about-index__scale {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-about .about-index__scale-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.page-about .about-index__scale-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index__scale-list li {
  position: relative;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

.page-about .about-index__scale-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--line-strong);
}

.page-about .about-body {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-about .about-section {
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

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

/* ---------- 品牌自述 ---------- */
.page-about .story-grid {
  display: grid;
  gap: 26px;
}

.page-about .story-media {
  margin: 0;
}

.page-about .creed {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .creed__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border-left: 2px solid var(--palm);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(255, 255, 255, .04);
}

.page-about .creed__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon);
}

.page-about .creed__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--foam);
}

.page-about .creed__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* ---------- 数据维护 ---------- */
.page-about .method-band {
  margin-top: 22px;
  padding: 22px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background:
    linear-gradient(135deg, rgba(14, 122, 95, .24) 0%, rgba(18, 59, 93, .62) 56%, rgba(7, 26, 47, .25) 100%);
}

.page-about .method-steps {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .method-step {
  padding-left: 14px;
  border-left: 1px solid var(--line-strong);
}

.page-about .method-step__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--yellow);
}

.page-about .method-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--foam);
}

.page-about .method-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-muted);
}

.page-about .method-grid {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-about .method-grid .media-frame {
  margin: 0;
}

/* ---------- 赛季演进 ---------- */
.page-about .tline {
  position: relative;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .tline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon) 0%, rgba(123, 224, 179, .3) 62%, rgba(123, 224, 179, 0) 100%);
}

.page-about .tline__item {
  position: relative;
  padding: 0 0 26px 34px;
}

.page-about .tline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--deep);
  border: 2px solid var(--neon);
  box-shadow: 0 0 0 4px rgba(123, 224, 179, .08);
}

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

.page-about .tline__item:last-child::before {
  background: var(--palm);
  border-color: var(--neon);
  box-shadow: 0 0 0 4px rgba(14, 122, 95, .35);
}

.page-about .tline__season {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--neon);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  font-weight: 700;
}

.page-about .tline__title {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--foam);
}

.page-about .tline__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-muted);
}

/* ---------- 团队分工 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-about .role {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .035);
}

.page-about .role__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-about .role__icon {
  font-size: 15px;
  color: var(--neon);
}

.page-about .role__count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
}

.page-about .role__count .data-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--teal);
}

.page-about .role__title {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--foam);
}

.page-about .role__lead {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-muted);
}

.page-about .role__more summary {
  display: inline-block;
  cursor: pointer;
  font-size: 13px;
  color: var(--neon);
  list-style: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-about .role__more summary::-webkit-details-marker {
  display: none;
}

.page-about .role__more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-about .role__more[open] summary::before {
  content: "− ";
}

.page-about .role__more summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-about .role__more p {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-muted);
}

/* ---------- 合作与荣誉 ---------- */
.page-about .eco-grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-about .eco-cards {
  display: grid;
  gap: 14px;
}

.page-about .eco-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--about-band);
}

.page-about .eco-card h3 {
  margin: 10px 0 6px;
  font-size: 16px;
  color: var(--foam);
}

.page-about .eco-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-muted);
}

.page-about .eco-grid .media-frame {
  margin: 0;
}

.page-about .honor-band {
  margin-top: 26px;
  padding: 22px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-lg);
  background: rgba(7, 26, 47, .45);
}

.page-about .honor-band__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-about .honor-list {
  display: grid;
  gap: 18px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .honor {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-about .honor__mark {
  width: 32px;
  height: 32px;
  margin-top: 2px;
  border: 1px solid var(--neon);
  background: linear-gradient(150deg, rgba(123, 224, 179, .3) 0%, rgba(123, 224, 179, .02) 100%);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  transition: transform .25s var(--ease), background .25s var(--ease);
}

.page-about .honor:hover .honor__mark {
  transform: scale(1.1) rotate(12deg);
  background: linear-gradient(150deg, rgba(123, 224, 179, .55) 0%, rgba(123, 224, 179, .08) 100%);
}

.page-about .honor h4 {
  margin: 0 0 5px;
  font-size: 15px;
  color: var(--foam);
}

.page-about .honor p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-muted);
}

/* ---------- 下一步 ---------- */
.page-about .next-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .next-card {
  display: block;
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(165deg, rgba(14, 122, 95, .17) 0%, rgba(7, 26, 47, .55) 100%);
  color: var(--ink);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-about .next-card:hover,
.page-about .next-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: linear-gradient(165deg, rgba(14, 122, 95, .32) 0%, rgba(7, 26, 47, .45) 100%);
  outline: none;
}

.page-about .next-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-about .next-card h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  color: var(--foam);
}

.page-about .next-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-muted);
}

.page-about .next-card__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--neon);
}

.page-about .next-contact {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--yellow);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(242, 194, 48, .08);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-muted);
}

.page-about .next-contact a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-about .next-contact a:hover,
.page-about .next-contact a:focus-visible {
  color: var(--teal);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-about .about-hero__stat {
    padding: 0 18px;
    border-left: 1px solid var(--about-grid-line);
  }

  .page-about .about-hero__stat:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-about .method-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

  .page-about .honor-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 860px) {
  .page-about .about-hero {
    padding: 34px 0 64px;
  }

  .page-about .story-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .method-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 32px;
    align-items: start;
  }

  .page-about .eco-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 26px;
    align-items: start;
  }

  .page-about .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
    padding: 56px 0 80px;
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .about-section {
    padding: 40px 0 52px;
  }

  .page-about .method-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__list a,
  .page-about .next-card,
  .page-about .honor__mark {
    transition: none;
  }

  .page-about .next-card:hover,
  .page-about .next-card:focus-visible,
  .page-about .honor:hover .honor__mark {
    transform: none;
  }
}
<<<END>>>