.page-about {
  --about-gap: clamp(24px, 4vw, 56px);
  --about-pad: clamp(26px, 4vw, 42px);
  background: var(--ink);
}

.page-about .about-crumb {
  padding-top: 16px;
}

/* 分屏骨架 */
.page-about .about-shell {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .about-rail {
  padding: clamp(18px, 3vw, 34px) 0 clamp(8px, 2vw, 16px);
  min-width: 0;
}

.page-about .about-flow {
  min-width: 0;
  padding-top: clamp(6px, 2vw, 18px);
}

@media (min-width: 900px) {
  .page-about .about-shell {
    display: grid;
    grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
    gap: var(--about-gap);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-top: clamp(28px, 3vw, 44px);
  }

  .page-about .about-flow {
    padding-top: clamp(28px, 3vw, 44px);
  }
}

/* 左栏叙事 */
.page-about .about-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  transform: skewX(-1.5deg);
}

.page-about .about-lede {
  margin: 16px 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(243, 247, 242, 0.78);
  max-width: 40ch;
}

.page-about .about-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  line-height: 1.1;
  color: var(--lime);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--stone);
}

.page-about .about-jump {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-jump li {
  border-bottom: 1px solid var(--line);
}

.page-about .about-jump__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  font-size: 0.94rem;
  color: var(--white);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-about .about-jump__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--stone);
  transition: color 0.18s var(--ease);
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link:focus-visible {
  color: var(--lime);
  padding-left: 8px;
}

.page-about .about-jump__link:hover .about-jump__num,
.page-about .about-jump__link:focus-visible .about-jump__num {
  color: var(--lime);
}

.page-about .about-jump__link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-about .about-rail__cta {
  display: inline-block;
  margin-top: 24px;
}

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

.page-about .about-hero {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

/* 章节 */
.page-about .about-chapter {
  padding: var(--about-pad) 0;
  border-top: 1px solid var(--line);
}

.page-about .about-chapter:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .about-chapter__num {
  font-size: clamp(1.9rem, 4.6vw, 2.6rem);
  color: var(--lime);
  opacity: 0.45;
  line-height: 1;
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.4vw, 1.95rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-chapter__body {
  margin-top: 16px;
  min-width: 0;
}

.page-about .about-text {
  margin: 0 0 14px;
  font-size: 0.97rem;
  line-height: 1.8;
  color: rgba(243, 247, 242, 0.8);
  max-width: 68ch;
}

.page-about .about-callout {
  margin-top: 18px;
  padding: 16px 18px;
  background: linear-gradient(150deg, var(--panel), rgba(30, 90, 60, 0.4));
  clip-path: var(--cut);
}

.page-about .about-callout p {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(243, 247, 242, 0.86);
}

/* 横向时间轴 */
.page-about .about-tl {
  display: flex;
  gap: 12px;
  margin: 20px 0 0;
  padding: 6px 2px 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-tl__item {
  position: relative;
  flex: 0 0 208px;
  padding: 16px 16px 18px;
  background: var(--panel);
  clip-path: var(--cut);
  scroll-snap-align: start;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--lime), rgba(214, 255, 63, 0) 72%);
}

.page-about .about-tl__item:hover,
.page-about .about-tl__item:focus-within {
  transform: translateY(-3px);
  background: linear-gradient(160deg, var(--panel), rgba(30, 90, 60, 0.55));
}

.page-about .about-tl__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.01em;
}

.page-about .about-tl__label {
  margin: 6px 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-tl__note {
  margin: 8px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--stone);
}

/* 团队 */
.page-about .about-crew {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-crew__card {
  padding: 16px 18px 18px;
  background: var(--panel);
  clip-path: var(--cut-sm);
}

.page-about .about-crew__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-crew__card h3 {
  margin: 10px 0 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-crew__card p {
  margin: 6px 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--stone);
}

@media (min-width: 620px) {
  .page-about .about-crew {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 流程 */
.page-about .about-pipeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-step {
  position: relative;
  padding: 15px 18px 17px;
  background: linear-gradient(160deg, var(--panel) 40%, rgba(30, 90, 60, 0.42));
  clip-path: var(--cut-sm);
  transition: background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .about-step::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 12px;
  width: 18px;
  height: 2px;
  background: var(--lime);
  opacity: 0.65;
  transform: rotate(-38deg);
}

.page-about .about-step:hover,
.page-about .about-step:focus-within {
  transform: translateY(-2px);
  background: linear-gradient(160deg, var(--moss), var(--panel));
}

.page-about .about-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-about .about-step h3 {
  margin: 8px 0 0;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-step p {
  margin: 6px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--stone);
}

@media (min-width: 640px) {
  .page-about .about-pipeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-pipeline__media {
  margin: 22px 0 0;
}

/* 新旧对照 */
.page-about .about-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-compare__col {
  padding: 18px 18px 20px;
  clip-path: var(--cut);
}

.page-about .about-compare__col--old {
  background: linear-gradient(165deg, rgba(185, 109, 78, 0.22), var(--panel) 70%);
}

.page-about .about-compare__col--new {
  background: linear-gradient(165deg, rgba(214, 255, 63, 0.12), var(--panel) 72%);
}

.page-about .about-compare__col h3 {
  margin: 12px 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-compare__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-compare__list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 9px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(243, 247, 242, 0.78);
}

.page-about .about-compare__list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--stone);
}

.page-about .about-compare__col--new .about-compare__list li::before {
  background: var(--lime);
}

.page-about .about-compare__hl {
  color: var(--lime);
  font-weight: 700;
}

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

.page-about .about-compare__media {
  margin: 22px 0 0;
}

/* 服务范围 */
.page-about .about-reach {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 12px;
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
}

.page-about .about-reach__item {
  padding: 14px 14px 16px;
  background: var(--panel);
  clip-path: var(--cut-sm);
}

.page-about .about-reach__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1.15;
  color: var(--white);
}

.page-about .about-reach__label {
  display: block;
  margin-top: 6px;
  font-size: 0.76rem;
  color: var(--stone);
}

.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}
</｜｜DSML｜｜ parameter>
</invoke>