.page-about {
  overflow-x: clip;
  --about-sheet-shadow: 0 24px 60px rgba(4, 7, 22, .5);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(24px, 4.5vw, 52px) clamp(34px, 6vw, 74px);
  background-image:
    radial-gradient(120% 86% at 88% 2%, rgba(56, 242, 226, .14), transparent 60%),
    radial-gradient(90% 72% at 2% 94%, rgba(255, 122, 26, .14), transparent 62%);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-hero__title {
  margin: .42em 0 .34em;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.2vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: .005em;
  color: var(--warm);
}

.page-about .about-hero__lede {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.13rem);
  line-height: 1.9;
  color: var(--mist);
}

.page-about .eyebrow {
  color: var(--cyan);
  letter-spacing: .16em;
}

.page-about .about-board {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(19, 26, 58, .94), rgba(11, 16, 38, .9));
  box-shadow: var(--shadow-1);
}

.page-about .about-board::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange) 58%, transparent);
}

.page-about .about-board__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-about .about-board__stamp {
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--mist);
  font-family: var(--font-mono);
}

.page-about .about-board__list {
  display: grid;
  gap: 0;
  margin: 14px 0 0;
}

.page-about .about-board__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px dashed var(--line-soft);
}

.page-about .about-board__row dt {
  font-size: .86rem;
  color: var(--mist);
}

.page-about .about-board__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--cyan);
}

/* ---------- 目录条 ---------- */
.page-about .about-index {
  margin-top: clamp(26px, 4vw, 44px);
  padding-block: 14px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(19, 26, 58, .42);
}

.page-about .about-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index__list .spy-link {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: .84rem;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t), background-color var(--t), border-color var(--t);
}

.page-about .about-index__list .spy-link:hover,
.page-about .about-index__list .spy-link:focus-visible {
  color: var(--warm);
  border-color: var(--line);
  background-color: rgba(56, 242, 226, .09);
}

.page-about .about-index__list .spy-link[aria-current="true"] {
  color: var(--ink-900);
  border-color: var(--cyan);
  background-color: var(--cyan);
}

/* ---------- 章节统一节奏 ---------- */
.page-about > .section {
  padding-block: clamp(32px, 5.4vw, 70px);
}

/* ---------- 01 时间线 ---------- */
.page-about .about-timeline {
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 34px) 32px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-900);
  box-shadow: 0 0 0 5px rgba(56, 242, 226, .09);
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 26px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), rgba(42, 53, 102, .12));
}

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

.page-about .about-timeline__item:last-child::after {
  content: none;
}

.page-about .about-timeline__mark {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-about .about-timeline__body h3 {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  line-height: 1.42;
  letter-spacing: .01em;
  color: var(--warm);
}

.page-about .about-timeline__body p {
  margin: 0;
  max-width: 64ch;
  font-size: .97rem;
  line-height: 1.88;
  color: var(--mist);
}

.page-about .about-origin__media {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

/* ---------- 02 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-about .about-team__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.6rem, 11vw, 6.4rem);
  line-height: .86;
  color: var(--cyan);
  text-shadow: 0 0 42px rgba(56, 242, 226, .32);
}

.page-about .about-team__cap {
  margin: 10px 0 0;
  font-size: .96rem;
  letter-spacing: .04em;
  color: var(--warm);
}

.page-about .about-team__note {
  margin: 16px 0 0;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--mist);
}

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

.page-about .about-team__role {
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--orange);
}

.page-about .about-team__role h3 {
  margin: 0 0 .42em;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: .02em;
  color: var(--warm);
}

.page-about .about-team__role p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 03 同步 ---------- */
.page-about .about-sync__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-about .about-sync__slots {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-about .about-sync__slot {
  flex: 1 1 168px;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(19, 26, 58, .62);
}

.page-about .about-sync__slot strong {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  letter-spacing: .04em;
  color: var(--orange);
}

.page-about .about-sync__slot span {
  display: block;
  margin-top: 8px;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .about-sync__media {
  margin: 0;
  border-radius: var(--r-lg);
  transform: rotate(-1.2deg);
}

/* ---------- 04 场馆（奶油纸感区块） ---------- */
.page-about .about-venues__sheet {
  padding: clamp(24px, 4vw, 52px);
  border-radius: clamp(22px, 3.6vw, 38px);
  background: var(--cream);
  color: var(--brown);
  box-shadow: var(--about-sheet-shadow);
}

.page-about .about-venues__eyebrow {
  margin: 0 0 12px;
  color: rgba(33, 23, 17, .58);
}

.page-about .about-venues__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: .005em;
  color: var(--brown);
}

.page-about .about-venues__lede {
  max-width: 68ch;
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.88;
  color: rgba(33, 23, 17, .78);
}

.page-about .about-venues__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(22px, 3.4vw, 34px);
}

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

.page-about .about-venues__media .media__caption {
  color: rgba(33, 23, 17, .66);
}

.page-about .about-venues__table {
  width: 100%;
  color: var(--brown);
  border-collapse: collapse;
}

.page-about .about-venues__table th,
.page-about .about-venues__table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(33, 23, 17, .16);
  color: inherit;
  text-align: left;
  vertical-align: top;
  font-size: .92rem;
  line-height: 1.7;
}

.page-about .about-venues__table thead th {
  color: rgba(33, 23, 17, .56);
  font-size: .8rem;
  letter-spacing: .08em;
  border-bottom-color: rgba(33, 23, 17, .34);
}

.page-about .about-venues__table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

.page-about .about-venues__table tbody tr:hover {
  background: rgba(33, 23, 17, .05);
}

/* ---------- 05 合作与荣誉 ---------- */
.page-about .about-partners__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-about .about-partners__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partner {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 4px 18px;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(150deg, rgba(19, 26, 58, .82), rgba(11, 16, 38, .66));
  transition: transform var(--t), border-color var(--t);
}

.page-about .about-partner:hover,
.page-about .about-partner:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-about .about-partner__num {
  grid-row: 1 / 3;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-about .about-partner h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: .01em;
  color: var(--warm);
}

.page-about .about-partner p:last-child {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-honors {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-lg);
  background: rgba(243, 233, 215, .055);
}

.page-about .about-honors .eyebrow {
  margin: 0 0 18px;
  color: var(--orange);
}

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

.page-about .about-honor {
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-about .about-honor__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-about .about-honor__text {
  margin: 6px 0 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 06 服务场景 ---------- */
.page-about .about-scenes__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-about .about-scene {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(19, 26, 58, .88), rgba(11, 16, 38, .74));
}

.page-about .about-scene::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -52px;
  width: 152px;
  height: 152px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 242, 226, .18), transparent 68%);
  pointer-events: none;
}

.page-about .about-scene:nth-child(2)::after {
  background: radial-gradient(circle, rgba(255, 122, 26, .2), transparent 68%);
}

.page-about .about-scene__mark {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-about .about-scene:nth-child(2) .about-scene__mark {
  color: var(--orange);
}

.page-about .about-scene h3 {
  margin: 10px 0 .55em;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  letter-spacing: .01em;
  color: var(--warm);
}

.page-about .about-scene > p {
  margin: 0;
  max-width: 56ch;
  font-size: .95rem;
  line-height: 1.86;
  color: var(--mist);
}

.page-about .about-scene > p.about-scene__link {
  margin: 16px 0 0;
}

.page-about .about-scene__link a {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(56, 242, 226, .5);
  color: var(--cyan);
  font-size: .9rem;
  text-decoration: none;
  transition: border-color var(--t), color var(--t);
}

.page-about .about-scene:nth-child(2) .about-scene__link a {
  border-bottom-color: rgba(255, 122, 26, .55);
  color: var(--orange);
}

.page-about .about-scene__link a:hover,
.page-about .about-scene__link a:focus-visible {
  border-bottom-color: currentColor;
  color: var(--warm);
}

/* ---------- 收尾行动区 ---------- */
.page-about .about-cta {
  margin-top: clamp(40px, 7vw, 86px);
  padding-block: clamp(34px, 5.4vw, 64px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(115deg, rgba(56, 242, 226, .16), rgba(11, 16, 38, 0) 46%),
    linear-gradient(295deg, rgba(255, 122, 26, .18), rgba(11, 16, 38, 0) 52%);
}

.page-about .about-cta__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-about .about-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2.3rem);
  line-height: 1.2;
  color: var(--warm);
}

.page-about .about-cta__text > p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: .97rem;
  line-height: 1.86;
  color: var(--mist);
}

.page-about .about-cta__text > p.about-cta__contact {
  display: inline-block;
  margin: 18px 0 0;
  padding: 8px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .02em;
  color: var(--cyan);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .about-team__roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-team__role:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 780px) {
  .page-about .about-timeline__item {
    padding-left: 172px;
  }
  .page-about .about-timeline__mark {
    position: absolute;
    left: 34px;
    top: 4px;
    width: 126px;
    margin: 0;
  }
}

@media (min-width: 820px) {
  .page-about .about-scenes__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }
  .page-about .about-scene:nth-child(1) {
    grid-column: 1 / 7;
  }
  .page-about .about-scene:nth-child(2) {
    grid-column: 7 / 13;
    margin-top: 44px;
  }
  .page-about .about-scene:nth-child(3) {
    grid-column: 2 / 12;
    margin-top: 14px;
  }
}

@media (min-width: 880px) {
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, .76fr);
  }
  .page-about .about-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(210px, .6fr) minmax(0, 1.4fr);
    align-items: start;
  }
  .page-about .about-venues__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-about .about-sync__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }
}

@media (min-width: 980px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.16fr) minmax(320px, .84fr);
  }
}

@media (max-width: 520px) {
  .page-about .about-board__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .page-about .about-partner {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-about .about-partner__num {
    grid-row: auto;
  }
  .page-about .about-partner p:last-child {
    grid-column: 1;
  }
  .page-about .about-sync__media {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-partner,
  .page-about .about-sync__media {
    transition: none;
    transform: none;
  }
}
<<<END>>>