.page-about {
  --about-glow: rgba(61, 240, 192, 0.14);
  --about-warm: rgba(255, 138, 61, 0.16);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding-bottom: clamp(40px, 6vw, 80px);
  background:
    radial-gradient(120% 80% at 8% 0%, var(--about-glow), transparent 58%),
    radial-gradient(80% 60% at 100% 12%, var(--about-warm), transparent 62%);
}

.page-about .about-hero__inner {
  padding-top: clamp(96px, 14vw, 168px);
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-about .about-hero__crumb {
  margin-bottom: 4px;
}

.page-about .about-hero__eyebrow {
  color: var(--cyan);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--score-white);
  max-width: 18em;
  text-wrap: balance;
}

.page-about .about-hero__lead {
  max-width: 46em;
  color: var(--mist);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 8px 0 6px;
  background: var(--rule-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-fact {
  background: var(--ink-panel);
  padding: clamp(16px, 2.4vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-fact__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 4.6vw, 2.6rem);
  font-weight: 700;
  color: var(--cyan-bright);
  line-height: 1;
}

.page-about .about-fact__unit {
  font-size: 0.5em;
  margin-left: 2px;
  color: var(--cyan);
}

.page-about .about-fact__label {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-hero__media {
  margin: 6px 0 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-deep);
}

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

.page-about .about-hero__media .vsk-media__cap {
  padding: 14px clamp(16px, 3vw, 26px);
  background: rgba(2, 16, 12, 0.72);
  color: var(--mist);
  font-size: 0.86rem;
  line-height: 1.7;
}

/* ---------- 通用章节头 ---------- */
.page-about .about-section-head {
  max-width: 46em;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-about .about-section-head__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  line-height: 1.28;
  color: var(--score-white);
  text-wrap: balance;
}

.page-about .about-section-head__text {
  color: var(--mist);
  max-width: 40em;
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline {
  position: relative;
}

.page-about .about-year-filter {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-about .about-axis {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(22px, 3.2vw, 38px);
}

.page-about .about-axis::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--rule-line) 45%, var(--orange));
  opacity: 0.6;
  border-radius: var(--radius-pill);
}

.page-about .about-axis__item {
  position: relative;
  padding-left: 34px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: opacity 0.35s var(--ease-out);
}

.page-about .about-axis__item[hidden] {
  display: none;
}

.page-about .about-axis__marker {
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 5px rgba(61, 240, 192, 0.12);
}

.page-about .about-axis__item:nth-child(2n) .about-axis__marker {
  border-color: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 138, 61, 0.12);
}

.page-about .about-axis__stamp {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-axis__stamp .vsk-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-about .about-axis__tag {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
}

.page-about .about-axis__body {
  border-left: 2px solid transparent;
  padding-left: 0;
  transition: border-color 0.35s var(--ease-out), padding-left 0.35s var(--ease-out);
}

.page-about .about-axis__item:hover .about-axis__body {
  border-left-color: var(--cyan);
  padding-left: 16px;
}

.page-about .about-axis__title {
  color: var(--cyan-bright);
  margin-bottom: 8px;
}

.page-about .about-axis__body .vsk-text {
  color: var(--mist);
  max-width: 44em;
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  gap: clamp(26px, 4vw, 60px);
}

.page-about .about-team__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .about-team__aside .vsk-text {
  color: var(--mist);
}

.page-about .about-team__media {
  margin: 10px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-team__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) contrast(1.05);
}

.page-about .about-team__switch {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .about-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-about .about-team__item {
  padding: clamp(18px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--rule-line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: opacity 0.35s var(--ease-out);
}

.page-about .about-team__item:last-child {
  border-bottom: 1px solid var(--rule-line);
}

.page-about .about-team__item[hidden] {
  display: none;
}

.page-about .about-team__head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-about .about-team__index {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: var(--orange);
  letter-spacing: 0.1em;
  border: 1px solid rgba(255, 138, 61, 0.35);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}

.page-about .about-team__name {
  color: var(--score-white);
}

.page-about .about-team__desc {
  color: var(--mist);
  max-width: 44em;
}

.page-about .about-team__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

/* ---------- 版本规则 ---------- */
.page-about .about-rules__board {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-about .about-rules__badge {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-self: flex-start;
  padding: clamp(18px, 3vw, 28px) clamp(22px, 3.6vw, 38px);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(61, 240, 192, 0.12), rgba(255, 209, 102, 0.08));
  border: 1px solid rgba(61, 240, 192, 0.28);
}

.page-about .about-rules__badge-label {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .about-rules__badge-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-bright);
}

.page-about .about-rules__badge-sub {
  font-size: 0.86rem;
  color: var(--amber);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-about .about-rules__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rule-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-rules__step {
  background: var(--ink-deep);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: clamp(16px, 2.6vw, 24px);
}

.page-about .about-rules__step-num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink-panel);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
}

.page-about .about-rules__step-title {
  color: var(--score-white);
  margin-bottom: 6px;
}

.page-about .about-rules__step-text {
  color: var(--mist);
  margin: 0;
}

.page-about .about-rules__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

/* ---------- 合作生态 ---------- */
.page-about .about-partners__grid {
  gap: clamp(16px, 2.4vw, 26px);
}

.page-about .about-partners__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--ink-deep);
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 30px);
}

.page-about .about-partners__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-about .about-partners__title {
  color: var(--score-white);
}

.page-about .about-partners__text {
  color: var(--mist);
  margin: 0;
}

.page-about .about-honors {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  gap: 1px;
  background: var(--rule-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .about-honors__item {
  background: var(--ink-panel);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: clamp(14px, 2.2vw, 20px) clamp(18px, 3vw, 28px);
}

.page-about .about-honors__year {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-about .about-honors__text {
  margin: 0;
  color: var(--score-white);
  font-size: 0.96rem;
}

.page-about .about-partners__cta {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
}

/* ---------- 服务场景 ---------- */
.page-about .about-scenes__track {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--rule-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-scene {
  background: var(--ink-deep);
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  transition: background 0.4s var(--ease-out);
}

.page-about .about-scene:hover {
  background: var(--ink-panel);
}

.page-about .about-scene__time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border-left: 3px solid var(--orange);
  padding-left: 10px;
}

.page-about .about-scene__title {
  color: var(--score-white);
  margin-bottom: 8px;
}

.page-about .about-scene__content .vsk-text {
  color: var(--mist);
  margin: 0 0 12px;
  max-width: 46em;
}

.page-about .about-scene__link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--cyan-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(157, 255, 226, 0.4);
  padding-bottom: 2px;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-about .about-scene__link:hover,
.page-about .about-scene__link:focus-visible {
  color: var(--orange-soft);
  border-color: var(--orange);
}

.page-about .about-scenes__footer {
  margin-top: clamp(26px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.page-about .about-scenes__summary {
  color: var(--mist);
  max-width: 44em;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-about .about-scene {
    grid-template-columns: minmax(140px, 200px) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-scenes__footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.6fr);
    align-items: start;
  }

  .page-about .about-rules__board {
    display: grid;
    grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.4fr);
    grid-template-areas:
      "badge steps"
      "media steps";
    align-items: start;
    gap: clamp(24px, 3.6vw, 44px);
  }

  .page-about .about-rules__badge {
    grid-area: badge;
  }

  .page-about .about-rules__steps {
    grid-area: steps;
  }

  .page-about .about-rules__media {
    grid-area: media;
  }

  .page-about .about-axis {
    padding-left: 12px;
  }

  .page-about .about-axis__item {
    padding-left: 46px;
  }

  .page-about .about-axis::before {
    left: 19px;
  }

  .page-about .about-axis__marker {
    left: 12px;
  }
}

@media (min-width: 1280px) {
  .page-about .about-hero__lead {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-axis__body,
  .page-about .about-scene,
  .page-about .about-scene__link {
    transition: none;
  }
}
<<<END>>>