.page-about {
  --about-rule: #C9C4B2;
  --about-frame: rgba(255, 179, 0, 0.5);
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  background: var(--paper);
  padding: 48px 0 0;
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 56px;
}

.page-about .about-hero__crumb {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0 0 28px;
}

.page-about .about-hero__eyebrow {
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--pitch);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--amber);
  display: inline-block;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 22px;
}

.page-about .about-hero__intro {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0 0 34px;
  max-width: 62ch;
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  padding-top: 24px;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-fact__num {
  font-size: 26px;
  font-weight: 700;
  color: var(--pitch);
  line-height: 1;
}

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

.page-about .about-hero__visual {
  position: relative;
  background: var(--night);
  border: 1px solid var(--pitch);
  padding: 16px;
}

.page-about .about-hero__visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-hero__ribbon {
  background: var(--pitch);
  color: var(--amber);
  padding: 12px 20px;
  text-align: center;
}

.page-about .about-hero__ribbon .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* ============ 时间轴 ============ */
.page-about .about-timeline__figure {
  margin: 40px 0 56px;
  border: 1px solid var(--about-rule);
  background: var(--night);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 27px;
  width: 1px;
  background: var(--about-rule);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 64px;
  padding-bottom: 40px;
}

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

.page-about .about-timeline__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.page-about .about-timeline__ver {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--wine);
  color: var(--amber);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid var(--wine);
  letter-spacing: 0.04em;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-timeline__year {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.page-about .about-timeline__card {
  padding: 22px 22px 20px;
}

.page-about .about-timeline__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.45;
  color: var(--pitch);
  margin: 0 0 12px;
}

.page-about .about-timeline__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-about .about-timeline__diff {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  padding-top: 12px;
  border-top: 1px dashed var(--about-rule);
}

.page-about .about-timeline__diff .mono {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--wine);
  background: rgba(110, 27, 51, 0.09);
  padding: 2px 7px;
  margin-right: 8px;
}

/* ============ 团队 ============ */
.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 40px;
}

.page-about .about-team__figure {
  border: 1px solid var(--about-rule);
  background: var(--card);
}

.page-about .about-team__cards {
  display: grid;
  gap: 20px;
}

.page-about .about-role {
  padding: 24px;
}

.page-about .about-role__no {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--wine);
  margin: 0 0 10px;
}

.page-about .about-role__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  color: var(--pitch);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.page-about .about-role__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-about .about-role__effect {
  margin: 0;
  font-size: 14px;
  color: var(--pitch);
  background: rgba(0, 229, 160, 0.12);
  border-left: 3px solid var(--cyan);
  padding: 10px 12px;
}

.page-about .about-role__effect .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--pitch);
  margin-right: 8px;
}

.page-about .about-team__stats {
  margin-top: 40px;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
}

.page-about .about-stat__value {
  font-size: 26px;
  font-weight: 700;
  color: var(--pitch);
  line-height: 1.1;
}

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

/* ============ 流程 ============ */
.page-about .about-flow__figure {
  margin: 40px 0 48px;
  border: 1px solid var(--about-rule);
  background: var(--night);
}

.page-about .about-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-about .about-flow__step {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--card);
  border: 1px solid var(--about-rule);
  border-top: 3px solid var(--amber);
}

.page-about .about-flow__idx {
  display: block;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--amber);
  background: var(--pitch);
  padding: 3px 10px;
  margin-bottom: 16px;
  width: fit-content;
}

.page-about .about-flow__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--pitch);
  margin: 0 0 12px;
}

.page-about .about-flow__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0;
}

.page-about .about-flow__note {
  margin: 32px 0 0;
  padding: 18px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--stack);
  border-left: 4px solid var(--pitch);
}

/* ============ 对照 ============ */
.page-about .about-contrast__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-about .about-contrast__lead {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.86);
  margin: 22px 0 0;
  max-width: 62ch;
}

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

.page-about .about-contrast__panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.page-about .about-contrast__col {
  background: rgba(10, 31, 25, 0.55);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-contrast__col-title {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin: 0 0 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(0, 229, 160, 0.28);
}

.page-about .about-contrast__row {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-left: 2px solid rgba(255, 179, 0, 0.55);
}

.page-about .about-contrast__row--diff {
  background: rgba(233, 30, 99, 0.2);
  border-left-color: var(--magenta);
  color: #fff;
}

/* ============ 合作 ============ */
.page-about .sec-lead--onwine {
  color: rgba(255, 255, 255, 0.86);
}

.page-about .about-partners {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.page-about .about-partners__cell {
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.page-about .about-partners__num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--amber);
  line-height: 1.1;
  margin-bottom: 10px;
}

.page-about .about-partners__desc {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.page-about .about-partners__note {
  margin: 32px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
  padding-left: 18px;
  border-left: 2px solid var(--amber);
}

/* ============ 观察与规模 ============ */
.page-about .about-observation {
  margin-top: 40px;
}

.page-about .about-observation__item {
  padding: 26px 24px;
}

.page-about .about-observation__no {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pitch);
  background: rgba(0, 229, 160, 0.18);
  padding: 3px 9px;
  margin-bottom: 16px;
}

.page-about .about-observation__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.45;
  color: var(--pitch);
  margin: 0 0 12px;
}

.page-about .about-observation__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0;
}

.page-about .about-observation__cta {
  margin-top: 44px;
  padding: 30px 26px;
  background: var(--night);
  border-left: 4px solid var(--amber);
}

.page-about .about-observation__cta-text {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 24px;
  max-width: 68ch;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-about .about-hero__title {
    font-size: 34px;
  }
  .page-about .about-team__cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-role:last-child {
    grid-column: span 2;
  }
  .page-about .about-flow {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-partners {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 32px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: 64px;
  }
  .page-about .about-hero__grid {
    grid-template-columns: 7fr 4fr;
    gap: 56px;
    align-items: center;
    padding-bottom: 72px;
  }
  .page-about .about-hero__title {
    font-size: 42px;
  }
  .page-about .about-team {
    grid-template-columns: 4fr 7fr;
    gap: 48px;
    align-items: start;
  }
  .page-about .about-team__cards {
    grid-template-columns: 1fr;
  }
  .page-about .about-role:last-child {
    grid-column: auto;
  }
  .page-about .about-contrast__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }
  .page-about .about-timeline__item {
    width: 50%;
    padding-left: 0;
    padding-right: 48px;
  }
  .page-about .about-timeline::before {
    left: 50%;
  }
  .page-about .about-timeline__item--right {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 48px;
  }
  .page-about .about-timeline__item--left .about-timeline__node {
    left: auto;
    right: -28px;
  }
  .page-about .about-timeline__item--right .about-timeline__node {
    left: -28px;
  }
  .page-about .about-timeline__item--left {
    text-align: right;
  }
  .page-about .about-timeline__item--left .about-timeline__diff .mono {
    margin-right: 0;
    margin-left: 8px;
    order: 2;
  }
  .page-about .about-timeline__item--left .about-timeline__diff {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-start;
    align-items: baseline;
  }
  .page-about .about-timeline__item--left .about-timeline__card {
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__intro {
    font-size: 17px;
  }
  .page-about .about-timeline__title {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__ver,
  .page-about .about-timeline__card {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>