.page-about {
  --about-rail: 28px;
  --about-gap: 16px;
  --about-step: var(--neon);
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-data);
  overflow-x: clip;
}

@media (min-width: 768px) {
  .page-about {
    --about-rail: 56px;
    --about-gap: 32px;
  }
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero-shell {
  position: relative;
  padding: 24px 0 56px;
  background:
    radial-gradient(70% 120% at 82% 0%, rgba(53, 224, 176, 0.13), transparent 68%),
    radial-gradient(60% 110% at 8% 12%, rgba(124, 77, 255, 0.11), transparent 70%),
    linear-gradient(180deg, var(--night-deep) 0%, var(--night) 100%);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero {
  display: grid;
  gap: 36px;
  padding-top: 20px;
}

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 24px;
  }
}

.page-about .about-hero__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 12px 0 18px;
  color: var(--paper);
}

@media (min-width: 768px) {
  .page-about .about-hero__title {
    font-size: 42px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero__title {
    font-size: 50px;
  }
}

.page-about .about-hero__lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.86;
  margin: 0;
  max-width: 60ch;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 16px 20px;
}

.page-about .about-hero__fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.1;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.page-about .about-hero__fact-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--mist);
}

/* 赛季刻度视觉 */
.page-about .about-scale {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--panel) 0%, var(--night-deep) 100%);
  box-shadow: var(--shadow);
  padding: 22px 20px 26px;
}

.page-about .about-scale::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(154, 167, 180, 0.07) 0 1px,
    transparent 1px 34px
  );
  pointer-events: none;
}

.page-about .about-scale__label {
  position: relative;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .about-scale__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-scale__row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 78px;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-about .about-scale__year {
  font-size: 13px;
  color: var(--mist);
}

.page-about .about-scale__bar {
  display: block;
  height: 8px;
  background: linear-gradient(90deg, var(--grass), var(--neon));
  opacity: 0.85;
}

.page-about .about-scale__note {
  font-size: 12px;
  color: var(--mist);
  text-align: right;
}

.page-about .about-scale__row:nth-child(1) .about-scale__bar { width: 22%; }
.page-about .about-scale__row:nth-child(2) .about-scale__bar { width: 38%; }
.page-about .about-scale__row:nth-child(3) .about-scale__bar { width: 56%; }
.page-about .about-scale__row:nth-child(4) .about-scale__bar { width: 78%; }
.page-about .about-scale__row:nth-child(5) .about-scale__bar {
  width: 100%;
  background: linear-gradient(90deg, var(--blaze), var(--amber));
}

.page-about .about-scale__row--now .about-scale__year {
  color: var(--blaze);
  font-weight: 700;
}

.page-about .about-scale__row--now .about-scale__note {
  color: var(--blaze);
}

/* ---------- 通用章节 ---------- */
.page-about .about-sec {
  padding: 56px 0;
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 900px) {
  .page-about .about-sec {
    padding: 88px 0;
  }
}

.page-about .about-sec--last {
  border-bottom: 0;
  padding-bottom: 72px;
}

.page-about .about-sec .section__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 8px 0 12px;
}

@media (min-width: 768px) {
  .page-about .about-sec .section__title {
    font-size: 32px;
  }
}

.page-about .about-sec .section__lead {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
  max-width: 62ch;
  margin: 0 0 32px;
}

.page-about .about-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 32px 0 0;
  padding: 10px 14px;
  border-left: 2px solid var(--amber);
  background: rgba(255, 194, 75, 0.06);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 编年时间轴 ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-stage-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--about-rail) minmax(0, 1fr);
  column-gap: var(--about-gap);
  padding-bottom: 36px;
}

@media (min-width: 768px) {
  .page-about .about-stage-item {
    padding-bottom: 56px;
  }
}

.page-about .about-stage-item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  border-left: 1px dashed var(--line);
}

@media (min-width: 768px) {
  .page-about .about-stage-item::before {
    left: 27px;
  }
}

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

.page-about .about-stage-item:last-child::before {
  bottom: auto;
  height: 40px;
}

.page-about .about-stage-item__node {
  position: relative;
  z-index: 1;
  width: 14px;
  height: 14px;
  margin-top: 28px;
  justify-self: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--night);
}

.page-about .about-stage-item__node--done {
  background: var(--grass);
  border-color: var(--grass);
  box-shadow: 0 0 0 4px rgba(31, 169, 122, 0.16);
}

.page-about .about-stage-item__node--now {
  background: var(--blaze);
  border-color: var(--blaze);
  box-shadow: 0 0 0 5px rgba(255, 122, 26, 0.18);
}

/* 阶段面板 */
.page-about .about-stage {
  padding: 24px 20px 22px;
  transition: transform 320ms ease, border-color 320ms ease;
}

@media (min-width: 768px) {
  .page-about .about-stage {
    padding: 30px 32px 28px;
  }
}

.page-about .about-stage-item:hover .about-stage,
.page-about .about-stage-item:focus-within .about-stage {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-about .about-stage--now {
  border-color: rgba(255, 122, 26, 0.42);
}

.page-about .about-stage__grid {
  display: grid;
  gap: 18px;
}

@media (min-width: 900px) {
  .page-about .about-stage__grid {
    grid-template-columns: minmax(0, 1fr) 172px;
    gap: 32px;
    align-items: start;
  }
}

.page-about .about-stage__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.45;
  margin: 8px 0 12px;
  color: var(--paper);
}

@media (min-width: 768px) {
  .page-about .about-stage__title {
    font-size: 24px;
  }
}

.page-about .about-stage__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.82;
}

.page-about .about-stage__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .about-stage__figure {
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

@media (max-width: 899px) {
  .page-about .about-stage__figure {
    display: flex;
    align-items: baseline;
    gap: 12px;
  }
}

.page-about .about-stage__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .page-about .about-stage__num {
    font-size: 54px;
  }
}

.page-about .about-stage--now .about-stage__num {
  color: var(--blaze);
}

.page-about .about-stage__cap {
  margin-top: 10px;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-about .about-stage__media {
  margin-top: 24px;
}

/* ---------- 方法四步 ---------- */
.page-about .about-method {
  display: grid;
  gap: 0;
}

.page-about .about-method__step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-method__step:nth-child(1) { --about-step: var(--grass); }
.page-about .about-method__step:nth-child(2) { --about-step: var(--neon); }
.page-about .about-method__step:nth-child(3) { --about-step: var(--violet); }
.page-about .about-method__step:nth-child(4) { --about-step: var(--blaze); }

.page-about .about-method__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.2;
  color: var(--about-step);
  font-variant-numeric: tabular-nums;
}

.page-about .about-method__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-method__desc {
  grid-column: 2;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

@media (min-width: 1000px) {
  .page-about .about-method {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
  }

  .page-about .about-method__step {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    column-gap: 0;
    padding: 22px 0 0;
    border-bottom: 0;
    border-top: 2px solid var(--about-step);
  }

  .page-about .about-method__num {
    grid-row: auto;
    margin-bottom: 12px;
  }

  .page-about .about-method__desc {
    grid-column: 1;
  }
}

.page-about .about-method__media {
  margin-top: 36px;
}

@media (min-width: 1000px) {
  .page-about .about-method__media {
    margin-top: 56px;
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  row-gap: 40px;
}

.page-about .about-team .section__lead {
  margin-bottom: 8px;
}

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

@media (min-width: 700px) {
  .page-about .about-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

.page-about .about-role {
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-role__name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.02em;
}

.page-about .about-role__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-team__aside {
  padding-top: 8px;
}

.page-about .about-aside__title {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .about-aside__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-about .about-aside__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .about-aside__num {
  font-size: 20px;
  color: var(--paper);
}

.page-about .about-aside__text {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-aside__link {
  display: inline-block;
  font-size: 14px;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 176, 0.4);
  padding-bottom: 2px;
}

.page-about .about-aside__link:hover,
.page-about .about-aside__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 规模数字 ---------- */
.page-about .about-band {
  margin-top: 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(19, 39, 63, 0.9), rgba(11, 27, 51, 0.9));
}

.page-about .data-band__item {
  padding: 18px 4px;
}

.page-about .data-band__value {
  font-size: 30px;
}

@media (min-width: 768px) {
  .page-about .data-band__value {
    font-size: 38px;
  }
}

.page-about .data-band__label {
  font-size: 12.5px;
  line-height: 1.5;
}

.page-about .about-archive {
  margin-top: 56px;
  row-gap: 32px;
  align-items: start;
}

.page-about .about-archive__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.45;
  margin: 0 0 22px;
  color: var(--paper);
}

@media (min-width: 768px) {
  .page-about .about-archive__title {
    font-size: 26px;
  }
}

.page-about .about-archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-archive__item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

@media (max-width: 480px) {
  .page-about .about-archive__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }
}

.page-about .about-archive__num {
  font-size: 22px;
  color: var(--blaze);
}

.page-about .about-archive__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-archive__cta {
  margin: 28px 0 0;
}

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

/* ---------- 对外开放 ---------- */
.page-about .about-open {
  display: grid;
  gap: 20px;
}

@media (min-width: 900px) {
  .page-about .about-open {
    grid-template-columns: 1.35fr 1fr 1fr;
    gap: 24px;
  }
}

.page-about .about-open__item {
  padding: 24px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel) 0%, rgba(11, 27, 51, 0.6) 100%);
}

.page-about .about-open__item--lead {
  border-left: 2px solid var(--grass);
}

.page-about .about-open__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--paper);
}

.page-about .about-open__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-about .about-next {
  display: grid;
  gap: 24px;
  padding: 28px 22px;
  background: linear-gradient(120deg, var(--panel) 0%, var(--night-deep) 100%);
  border: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-about .about-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 40px 36px;
  }
}

.page-about .about-next__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 12px;
  color: var(--paper);
}

@media (min-width: 768px) {
  .page-about .about-next__title {
    font-size: 28px;
  }
}

.page-about .about-next__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}

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

.page-about .about-contact {
  display: grid;
  gap: 14px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px dashed var(--line);
}

@media (min-width: 900px) {
  .page-about .about-contact {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    column-gap: 32px;
  }

  .page-about .about-contact .copy-chip {
    grid-row: span 2;
  }
}

.page-about .about-contact__line {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-about .about-contact__line .num {
  font-size: 17px;
  color: var(--neon);
}

.page-about .about-contact__line--muted {
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-stage,
  .page-about .about-stage-item__node {
    transition: none;
    animation: none;
  }

  .page-about .about-stage-item:hover .about-stage,
  .page-about .about-stage-item:focus-within .about-stage {
    transform: none;
  }
}

/* ---------- 图片响应 ---------- */
.page-about .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-archive__media .media-frame__img {
  aspect-ratio: 1 / 1;
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>