.page-about {
  --about-line: rgba(154, 143, 184, 0.22);
  --about-line-strong: rgba(154, 143, 184, 0.4);
  --about-body: rgba(244, 239, 230, 0.76);
  --about-body-soft: rgba(244, 239, 230, 0.62);
}

/* ---------- 首屏框景 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 8px 0 52px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 8%, rgba(56, 242, 224, 0.14), transparent 46%),
    radial-gradient(circle at 8% 92%, rgba(139, 92, 255, 0.2), transparent 54%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(154, 143, 184, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(154, 143, 184, 0.09) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-about .about-hero__frame {
  position: relative;
  padding: 24px 20px 28px;
  border: 1px solid var(--about-line-strong);
  background: linear-gradient(158deg, rgba(26, 16, 48, 0.94), rgba(11, 6, 20, 0.55));
  box-shadow: inset 0 0 60px rgba(139, 92, 255, 0.12);
}

.page-about .about-hero__frame::before,
.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--cyan);
  pointer-events: none;
}

.page-about .about-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-about .about-hero__frame::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-about .about-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 7.2vw, 50px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-wrap: balance;
  text-shadow: 0 0 28px rgba(56, 242, 224, 0.2);
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-body);
}

.page-about .about-hero__note {
  margin: 16px 0 0;
  color: var(--gold);
}

.page-about .about-hero__bars {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 15px;
  background: var(--panel-deep);
  min-width: 0;
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .about-stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

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

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

/* ---------- 章节公共头 ---------- */
.page-about .about-sectionhead {
  max-width: 46em;
}

.page-about .about-sectionhead h2 {
  margin: 14px 0 0;
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.32;
  font-weight: 800;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-sectionhead__lead {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--about-body);
}

.page-about .about-evolution,
.page-about .about-team,
.page-about .about-partners,
.page-about .about-honors,
.page-about .about-why {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-evolution {
  border-top: 0;
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--violet) 58%, var(--gold));
  opacity: 0.72;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 30px 34px;
  min-width: 0;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--cyan);
  background: var(--ink);
  transform: rotate(45deg);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-timeline__item:hover::before {
  border-color: var(--gold);
  box-shadow: 0 0 18px rgba(245, 200, 107, 0.55);
}

.page-about .about-timeline__mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
  border: 1px solid rgba(245, 200, 107, 0.36);
  padding: 2px 8px;
}

.page-about .about-timeline__title {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-timeline__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--about-body-soft);
}

/* ---------- 团队 ---------- */
.page-about .about-team__inner {
  display: grid;
  gap: 34px;
}

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

.page-about .about-crew {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-crew__item {
  padding: 16px 18px;
  border: 1px solid var(--about-line);
  border-left: 2px solid var(--violet);
  background: linear-gradient(120deg, rgba(26, 16, 48, 0.88), rgba(11, 6, 20, 0.42));
  min-width: 0;
}

.page-about .about-crew__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .about-crew__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-crew__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-crew__bar {
  margin: 12px 0 10px;
  height: 4px;
  background: rgba(154, 143, 184, 0.18);
  overflow: hidden;
}

.page-about .about-crew__bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-about .about-crew__item:nth-child(1) .about-crew__bar span {
  width: 46%;
}

.page-about .about-crew__item:nth-child(2) .about-crew__bar span {
  width: 31%;
}

.page-about .about-crew__item:nth-child(3) .about-crew__bar span {
  width: 23%;
}

.page-about .about-crew__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-body-soft);
}

.page-about .about-rhythm {
  margin-top: 28px;
  padding: 18px 18px 20px;
  border: 1px dashed var(--about-line-strong);
  background: rgba(14, 59, 58, 0.22);
}

.page-about .about-rhythm__label {
  margin: 0;
  color: var(--cyan);
}

.page-about .about-rhythm__steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: rhythm;
}

.page-about .about-rhythm__steps li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--about-body);
}

.page-about .about-rhythm__steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-about .about-rhythm__day {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold);
  margin-right: 8px;
  letter-spacing: 0.06em;
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__inner {
  display: grid;
  gap: 30px;
}

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

.page-about .about-partners__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-partners__list li {
  position: relative;
  padding: 14px 16px 14px 46px;
  border: 1px solid var(--about-line);
  background: rgba(26, 16, 48, 0.55);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--about-body);
  min-width: 0;
}

.page-about .about-partners__list strong {
  color: var(--paper);
  font-weight: 700;
  margin-right: 6px;
}

.page-about .about-partners__idx {
  position: absolute;
  left: 14px;
  top: 15px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  background: var(--cyan);
}

/* ---------- 荣誉 ---------- */
.page-about .about-honors__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-honors__item {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--about-line);
  background: linear-gradient(180deg, rgba(26, 16, 48, 0.7), rgba(11, 6, 20, 0.5));
  min-width: 0;
}

.page-about .about-honors__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-about .about-honors__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(245, 200, 107, 0.4);
  padding: 3px 8px;
}

.page-about .about-honors__item h3 {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-honors__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-body-soft);
}

/* ---------- 为什么选择我们 ---------- */
.page-about .about-why__grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-about .about-why__card {
  position: relative;
  padding: 20px 18px 20px 22px;
  border: 1px solid var(--about-line);
  border-right: 2px solid rgba(56, 242, 224, 0.35);
  background: rgba(11, 6, 20, 0.6);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  min-width: 0;
}

.page-about .about-why__card:hover {
  border-right-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(56, 242, 224, 0.18), 0 12px 34px rgba(11, 6, 20, 0.6);
}

.page-about .about-why__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-about .about-why__card h3 {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-why__card p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--about-body-soft);
}

.page-about .about-fold {
  margin-top: 26px;
  border: 1px solid var(--about-line);
  background: rgba(26, 16, 48, 0.5);
}

.page-about .about-fold summary {
  cursor: pointer;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  list-style: none;
}

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

.page-about .about-fold summary::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
  color: var(--mist);
}

.page-about .about-fold[open] summary::after {
  content: "－";
  color: var(--gold);
}

.page-about .about-fold ul {
  margin: 0;
  padding: 4px 20px 20px 38px;
  display: grid;
  gap: 10px;
}

.page-about .about-fold li {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--about-body);
}

.page-about .about-fold li::marker {
  color: var(--cyan);
}

.page-about .about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-honors__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .about-hero__frame {
    padding: 30px 28px 34px;
  }
}

@media (min-width: 980px) {
  .page-about .about-hero {
    padding: 16px 0 72px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 48px;
  }

  .page-about .about-evolution,
  .page-about .about-team,
  .page-about .about-partners,
  .page-about .about-honors,
  .page-about .about-why {
    padding: 76px 0;
  }

  .page-about .about-team__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-team__media {
    position: sticky;
    top: 32px;
  }

  .page-about .about-partners__inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-timeline {
    max-width: 820px;
  }

  .page-about .about-timeline::before {
    left: 9px;
  }

  .page-about .about-timeline__item {
    padding-left: 44px;
  }

  .page-about .about-timeline__item::before {
    left: 1px;
    width: 18px;
    height: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__item::before,
  .page-about .about-why__card {
    transition: none;
  }
}
<<<END>>>