.page-about {
  --about-line: 1px solid var(--line);
  --about-rail-w: 208px;
  background:
    radial-gradient(90% 58% at 88% -8%, rgba(31, 107, 82, 0.38), rgba(10, 18, 32, 0) 62%),
    linear-gradient(178deg, var(--ink-0) 0%, var(--ink-1) 46%, var(--ink-0) 100%);
  color: var(--fog);
  overflow-x: clip;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: calc(var(--header-h) + clamp(16px, 3.4vw, 40px));
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 3.4vw, 36px);
  align-items: end;
}

@media (min-width: 820px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(230px, 4fr);
  }
}

.page-about .about-hero__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 8.6vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0.24em 0 0.4em;
  transform: skewX(-4deg);
  transform-origin: left bottom;
  text-wrap: balance;
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--lime);
  display: inline-block;
}

.page-about .about-hero__copy .lede {
  max-width: 32em;
  color: var(--fog);
  opacity: 0.92;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(16px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: 16px;
  border-top: var(--about-line);
}

.page-about .hero-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-about .hero-stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--lime);
  line-height: 1;
}

.page-about .hero-stat__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--moss);
}

.page-about .about-hero__media {
  border: var(--about-line);
  background: linear-gradient(160deg, rgba(14, 58, 44, 0.7), rgba(10, 18, 32, 0.9));
}

.page-about .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .media__caption {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--moss);
  padding: 10px 4px 0;
}

/* ---------- 主体两栏 ---------- */
.page-about .about-layout {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  margin-top: clamp(36px, 6vw, 88px);
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

.page-about .about-rail__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-3);
  margin: 0 0 12px;
}

.page-about .about-rail__list {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 0 0 8px;
  margin: 0;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  white-space: nowrap;
  padding: 6px 2px;
  font-size: 13.5px;
  color: var(--moss);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--fog);
}

.page-about .about-rail__link[aria-current="true"],
.page-about .about-rail__link.is-current {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-about .about-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.75;
}

@media (min-width: 960px) {
  .page-about .about-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }
  .page-about .about-rail__link {
    display: flex;
    width: 100%;
    padding: 8px 0 8px 14px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }
  .page-about .about-rail__link[aria-current="true"],
  .page-about .about-rail__link.is-current {
    border-left-color: var(--lime);
  }
}

/* ---------- 区块骨架 ---------- */
.page-about .about-block {
  border-top: var(--about-line);
  padding-block: clamp(34px, 5.4vw, 68px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .about-block:first-child {
  border-top: 0;
  padding-top: clamp(24px, 3.4vw, 40px);
}

.page-about .about-block__head {
  max-width: 48ch;
  margin-bottom: clamp(20px, 3.4vw, 38px);
}

.page-about .about-block__title {
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 6px 0 14px;
}

.page-about .about-block__head .body-text {
  color: var(--moss);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

/* ---------- 01 名字与主张 ---------- */
.page-about .origin {
  display: grid;
  gap: clamp(20px, 3.2vw, 36px);
}

@media (min-width: 880px) {
  .page-about .origin {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-about .origin__text p {
  margin: 0 0 1.1em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fog);
}

.page-about .origin__text p:last-child {
  margin-bottom: 0;
}

.page-about .origin__card {
  border: var(--about-line);
  background: linear-gradient(180deg, rgba(14, 58, 44, 0.55), rgba(7, 32, 25, 0.3));
  padding: clamp(16px, 2.4vw, 24px);
}

.page-about .origin__card .panel__head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ink-3);
  margin: 0 0 14px;
}

.page-about .origin__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .origin__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-about .origin__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

.page-about .about-rail-note {
  display: none;
}

@media (min-width: 880px) {
  .page-about .about-rail-note {
    display: block;
    writing-mode: vertical-rl;
    margin: 18px 0 0;
    color: var(--moss);
    letter-spacing: 0.3em;
  }
}

/* ---------- 02 时间线 ---------- */
.page-about .tl {
  position: relative;
  list-style: none;
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--ink-3), var(--line));
}

.page-about .tl__item {
  position: relative;
  padding-left: 30px;
  display: grid;
  gap: 2px;
}

.page-about .tl__dot {
  position: absolute;
  left: 0;
  top: 3px;
  width: 15px;
  height: 15px;
  background: var(--ink-1);
  border: 1px solid var(--ink-3);
}

.page-about .tl__item--now .tl__dot {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(217, 255, 60, 0.14);
}

.page-about .tl__ver {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--lime);
  line-height: 1.2;
}

.page-about .tl__span {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

@media (min-width: 760px) {
  .page-about .tl {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-about .tl::before {
    left: 0;
    right: 0;
    top: 7px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--ink-3), var(--lime) 68%, var(--ink-3));
    opacity: 0.6;
  }
  .page-about .tl__item {
    padding: 26px 14px 0 0;
  }
  .page-about .tl__dot {
    top: 0;
  }
}

.page-about .about-panels {
  border: var(--about-line);
  background: rgba(7, 32, 25, 0.45);
  padding: clamp(16px, 2.6vw, 28px);
}

.page-about .about-panels .tab-panel p {
  margin: 0 0 4px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

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

.page-about .phase__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--moss);
}

.page-about .phase__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 1px;
  background: var(--ink-3);
}

.page-about .about-band {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  border: var(--about-line);
  overflow: hidden;
}

.page-about .about-band .media__img {
  filter: saturate(0.9);
}

/* ---------- 03 团队 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .team-card {
  border: var(--about-line);
  background: linear-gradient(180deg, rgba(14, 58, 44, 0.5), rgba(7, 32, 25, 0.22));
  padding: clamp(16px, 2.4vw, 26px);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

.page-about .team-card__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  margin: 0 0 12px;
}

.page-about .team-card h3 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0 0 8px;
  color: var(--fog);
}

.page-about .team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--moss);
}

.page-about .flow {
  margin-top: clamp(18px, 3vw, 28px);
  border: var(--about-line);
  padding: 14px clamp(14px, 2vw, 20px);
  display: grid;
  gap: 10px;
  background: rgba(10, 18, 32, 0.4);
}

@media (min-width: 860px) {
  .page-about .flow {
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    align-items: center;
    gap: 0;
  }
}

.page-about .flow__step {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--fog);
}

.page-about .flow__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  letter-spacing: 0.1em;
}

@media (min-width: 860px) {
  .page-about .flow__step + .flow__step {
    border-left: var(--about-line);
    padding-left: 14px;
  }
}

/* ---------- 04 复核 ---------- */
.page-about .review {
  display: grid;
  gap: clamp(20px, 3.2vw, 36px);
}

@media (min-width: 860px) {
  .page-about .review {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

.page-about .review__media {
  border: var(--about-line);
  margin: 0;
  background: linear-gradient(150deg, rgba(31, 107, 82, 0.35), rgba(10, 18, 32, 0.9));
}

.page-about .review__text > .body-text {
  font-size: 15.5px;
  line-height: 1.85;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  color: var(--fog);
}

.page-about .acc__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--moss);
}

/* ---------- 05 覆盖 ---------- */
.page-about .cover-stats {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

@media (min-width: 700px) {
  .page-about .cover-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 26px);
  }
}

.page-about .cover-stat {
  border-top: 2px solid var(--ink-3);
  padding-top: 14px;
}

.page-about .cover-stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1;
  color: var(--lime);
}

.page-about .cover-stat__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--moss);
  margin-left: 0.4em;
}

.page-about .cover-stat__label {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fog);
}

.page-about .columns {
  display: grid;
  gap: clamp(14px, 2.4vw, 26px);
  border-top: var(--about-line);
  padding-top: clamp(18px, 2.6vw, 28px);
}

@media (min-width: 760px) {
  .page-about .columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .columns h3 {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--fog);
}

.page-about .columns h3::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  vertical-align: 2px;
  background: var(--lime);
}

.page-about .columns p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--moss);
}

/* ---------- 06 合作 ---------- */
.page-about .partner-list {
  border-top: var(--about-line);
  display: grid;
}

.page-about .partner-row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: var(--about-line);
  transition: background 0.25s var(--ease);
}

@media (min-width: 760px) {
  .page-about .partner-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 6px 24px;
    align-items: baseline;
    padding: 18px 4px;
  }
  .page-about .partner-row:hover {
    background: rgba(14, 58, 44, 0.4);
  }
}

.page-about .partner-row__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 2.4vw, 24px);
  letter-spacing: 0.02em;
  color: var(--lime);
  margin: 0;
}

.page-about .partner-row__body p {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--fog);
}

.page-about .partner-row__body span {
  display: block;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--moss);
}

/* ---------- 07 继续了解 ---------- */
.page-about .next-grid {
  display: grid;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-about .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .next-card {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 22px);
  border: var(--about-line);
  background: rgba(14, 58, 44, 0.26);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-about .next-card:hover,
.page-about .next-card:focus-visible {
  border-color: var(--lime);
  background: rgba(31, 107, 82, 0.3);
  transform: translateY(-2px);
}

.page-about .next-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
}

.page-about .next-card__title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-about .next-card__title::after {
  content: " →";
  color: var(--lime);
}

.page-about .next-card__desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--moss);
}

@media (max-width: 480px) {
  .page-about .about-hero__title {
    transform: skewX(-2deg);
  }
  .page-about .hero-stat__num {
    font-size: 20px;
  }
}
<<<END>>>