.page-about {
  --about-rail-w: 236px;
  background: var(--k-deep);
  color: var(--k-cream);
  font-family: var(--k-sans);
}

.page-about .k-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--k-mist);
}

.page-about .k-breadcrumb a {
  color: var(--k-mist);
  text-decoration: none;
  transition: color 0.2s var(--k-ease);
}

.page-about .k-breadcrumb a:hover,
.page-about .k-breadcrumb a:focus-visible {
  color: var(--k-gold);
}

.page-about .k-breadcrumb [aria-current="page"] {
  color: var(--k-gold);
}

.page-about .k-breadcrumb__sep {
  color: rgba(185, 196, 194, 0.45);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 58px);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34%;
  right: -18%;
  width: min(760px, 92vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 55% 45%, rgba(245, 154, 35, 0.22), rgba(210, 59, 46, 0.14) 45%, transparent 72%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-about .about-hero__split {
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  align-items: center;
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  font-size: clamp(2.1rem, 5.4vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--k-cream);
}

.page-about .about-hero__accent {
  color: var(--k-amber);
  font-weight: 900;
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.85;
  font-weight: 300;
  color: rgba(247, 243, 234, 0.82);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__fact {
  border-top: 2px solid var(--k-red);
  padding-top: 10px;
}

.page-about .about-hero__fact:nth-child(2) {
  border-top-color: var(--k-amber);
}

.page-about .about-hero__fact:nth-child(3) {
  border-top-color: var(--k-teal-light);
}

.page-about .about-hero__fact-num {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--k-gold);
  font-variant-numeric: tabular-nums;
}

.page-about .about-hero__fact-label {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--k-mist);
}

.page-about .about-hero__media {
  margin: 0;
  border-radius: var(--k-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 208, 138, 0.24);
  background: linear-gradient(150deg, rgba(210, 59, 46, 0.35), rgba(30, 90, 85, 0.5));
  box-shadow: 0 34px 80px -46px rgba(210, 59, 46, 0.72);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 色带 ---------- */
.page-about .about-rule {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--k-red), var(--k-amber) 46%, var(--k-teal-light));
  opacity: 0.9;
}

/* ---------- 主体两栏 ---------- */
.page-about .about-body {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(52px, 7vw, 96px);
}

.page-about .about-flow {
  min-width: 0;
}

/* ---------- 左侧索引 ---------- */
.page-about .about-rail__inner {
  display: grid;
  gap: 12px;
}

.page-about .about-rail__label {
  margin: 0;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(185, 196, 194, 0.72);
}

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-rail__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(185, 196, 194, 0.22);
  color: var(--k-mist);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.25s var(--k-ease), border-color 0.25s var(--k-ease), background 0.25s var(--k-ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--k-cream);
  border-color: var(--k-amber);
  background: rgba(245, 154, 35, 0.1);
}

.page-about .about-rail__link[aria-current="true"] {
  color: var(--k-gold);
  border-color: var(--k-amber);
  background: rgba(245, 154, 35, 0.16);
}

.page-about .about-rail__idx {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--k-red);
  font-variant-numeric: tabular-nums;
}

.page-about .about-rail__scale {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: rgba(185, 196, 194, 0.7);
}

.page-about .about-rail__top {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--k-mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(185, 196, 194, 0.4);
  transition: color 0.2s var(--k-ease), border-color 0.2s var(--k-ease);
}

.page-about .about-rail__top:hover,
.page-about .about-rail__top:focus-visible {
  color: var(--k-gold);
  border-color: var(--k-gold);
}

/* ---------- 章节通用 ---------- */
.page-about .about-block {
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid rgba(185, 196, 194, 0.16);
}

.page-about .about-flow > .about-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-block__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.page-about .about-block__num {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  font-weight: 200;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--k-red);
  font-variant-numeric: tabular-nums;
}

.page-about .about-block__title {
  margin: 8px 0 0;
  font-size: clamp(1.45rem, 3.4vw, 2.2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--k-cream);
}

.page-about .about-prose {
  min-width: 0;
}

.page-about .about-prose p {
  margin: 0 0 16px;
  font-size: clamp(1rem, 1.4vw, 1.06rem);
  line-height: 1.85;
  font-weight: 300;
  color: rgba(247, 243, 234, 0.84);
}

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

/* ---------- 01 起点 ---------- */
.page-about .about-origin {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: 22px;
}

.page-about .about-note {
  margin: 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--k-amber);
}

.page-about .about-note__quote {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--k-cream);
}

.page-about .about-note__meta {
  margin: 12px 0 0;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--k-mist);
}

/* ---------- 02 时间线 ---------- */
.page-about .about-timeline {
  position: relative;
  margin: 26px 0 0;
  padding: 0 0 0 34px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--k-red), var(--k-amber) 52%, var(--k-teal-light));
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 26px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 18px;
  height: 18px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--k-deep);
  border: 2px solid var(--k-amber);
}

.page-about .about-timeline__year {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--k-amber);
}

.page-about .about-timeline__title {
  margin: 6px 0 6px;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--k-cream);
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.8;
  font-weight: 300;
  color: rgba(185, 196, 194, 0.95);
}

/* ---------- 图文 ---------- */
.page-about .about-figure {
  margin: 26px 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--k-radius);
  border: 1px solid rgba(185, 196, 194, 0.18);
  object-fit: cover;
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--k-mist);
}

/* ---------- 03 覆盖 ---------- */
.page-about .about-panel {
  margin-top: 24px;
  padding: clamp(20px, 3.5vw, 36px);
  border-radius: var(--k-radius);
}

.page-about .about-panel--cream {
  background: var(--k-cream);
  color: var(--k-deep);
}

.page-about .about-panel__intro {
  margin: 0;
  font-size: clamp(0.98rem, 1.4vw, 1.06rem);
  line-height: 1.8;
  font-weight: 400;
  color: rgba(11, 31, 36, 0.82);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  background: rgba(11, 31, 36, 0.14);
  border-radius: 14px;
  overflow: hidden;
}

.page-about .about-stats__item {
  padding: 18px 16px;
  background: var(--k-cream);
}

.page-about .about-stats__num {
  display: block;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--k-red);
  font-variant-numeric: tabular-nums;
}

.page-about .about-stats__item:nth-child(2) .about-stats__num {
  color: var(--k-amber);
}

.page-about .about-stats__item:nth-child(3) .about-stats__num {
  color: var(--k-teal);
}

.page-about .about-stats__item:nth-child(4) .about-stats__num {
  color: var(--k-red-deep);
}

.page-about .about-stats__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(11, 31, 36, 0.68);
}

.page-about .about-scenes {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-scenes__item {
  padding-top: 12px;
  border-top: 2px solid var(--k-red);
}

.page-about .about-scenes__item:nth-child(2) {
  border-top-color: var(--k-amber);
}

.page-about .about-scenes__item:nth-child(3) {
  border-top-color: var(--k-teal);
}

.page-about .about-scenes__item:nth-child(4) {
  border-top-color: var(--k-red-deep);
}

.page-about .about-scenes__name {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--k-deep);
}

.page-about .about-scenes__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(11, 31, 36, 0.76);
}

/* ---------- 04 团队 ---------- */
.page-about .about-crew {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-about .about-crew__figure {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-about .about-crew__num {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--k-amber);
  font-variant-numeric: tabular-nums;
}

.page-about .about-crew__unit {
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--k-mist);
}

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

.page-about .about-crew__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(185, 196, 194, 0.18);
}

.page-about .about-crew__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-crew__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(210, 59, 46, 0.18);
  border: 1px solid rgba(210, 59, 46, 0.5);
  color: var(--k-gold);
  font-size: 12px;
  font-weight: 700;
}

.page-about .about-crew__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--k-cream);
}

.page-about .about-crew__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  font-weight: 300;
  color: rgba(185, 196, 194, 0.95);
}

.page-about .about-partners {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 2px solid var(--k-red);
}

.page-about .about-partners__title {
  margin: 0 0 10px;
  font-size: clamp(1.1rem, 2vw, 1.32rem);
  font-weight: 800;
  color: var(--k-cream);
}

.page-about .about-partners__text {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.82;
  font-weight: 300;
  color: rgba(247, 243, 234, 0.82);
}

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

.page-about .about-topics li {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(245, 154, 35, 0.4);
  background: rgba(245, 154, 35, 0.1);
  color: var(--k-cream);
  font-size: 12.5px;
  letter-spacing: 0.03em;
}

/* ---------- 05 资质 ---------- */
.page-about .about-creds {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-creds__item {
  display: grid;
  gap: 8px;
  padding: 20px 0 20px 18px;
  border-left: 3px solid var(--k-amber);
  border-bottom: 1px solid rgba(185, 196, 194, 0.16);
}

.page-about .about-creds__item:nth-child(2) {
  border-left-color: var(--k-red);
}

.page-about .about-creds__item:nth-child(3) {
  border-left-color: var(--k-teal-light);
}

.page-about .about-creds__item:nth-child(4) {
  border-left-color: var(--k-gold);
}

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

.page-about .about-creds__mark {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--k-amber);
}

.page-about .about-creds__title {
  margin: 0 0 7px;
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--k-cream);
}

.page-about .about-creds__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  font-weight: 300;
  color: rgba(247, 243, 234, 0.8);
}

.page-about .about-trust-line {
  margin: 22px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  font-weight: 300;
  color: var(--k-mist);
}

.page-about .about-trust-line a {
  color: var(--k-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 208, 138, 0.45);
}

.page-about .about-trust-line a:hover,
.page-about .about-trust-line a:focus-visible {
  color: var(--k-amber);
  border-color: var(--k-amber);
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  grid-column: 1 / -1;
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--k-radius);
  border: 1px solid rgba(255, 208, 138, 0.28);
  background:
    radial-gradient(circle at 88% 10%, rgba(245, 154, 35, 0.35), transparent 56%),
    linear-gradient(135deg, var(--k-red-deep), var(--k-deep) 64%);
}

.page-about .about-cta__title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--k-cream);
}

.page-about .about-cta__text {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 0.97rem;
  line-height: 1.8;
  font-weight: 300;
  color: rgba(247, 243, 234, 0.85);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-cta .k-btn--ghost {
  color: var(--k-cream);
  border-color: rgba(247, 243, 234, 0.45);
}

.page-about .about-cta .k-btn--ghost:hover,
.page-about .about-cta .k-btn--ghost:focus-visible {
  color: var(--k-deep);
  background: var(--k-cream);
  border-color: var(--k-cream);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 560px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .about-block__head {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }
}

@media (min-width: 860px) {
  .page-about .about-origin {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(24px, 3.5vw, 48px);
    align-items: start;
  }

  .page-about .about-crew {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-about .about-creds__item {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-about .about-hero__split {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-about .about-rail__inner {
    position: sticky;
    top: 104px;
    gap: 14px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-rail__link {
    border-radius: 10px;
    border-color: transparent;
    border-left: 2px solid rgba(185, 196, 194, 0.22);
    padding: 8px 12px;
    white-space: normal;
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible,
  .page-about .about-rail__link[aria-current="true"] {
    border-left-color: var(--k-amber);
  }

  .page-about .about-rail__scale {
    flex-direction: column;
    gap: 8px;
    margin-top: 4px;
    padding-left: 12px;
    border-left: 1px solid rgba(185, 196, 194, 0.22);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-rail__link,
  .page-about .about-rail__top,
  .page-about .about-cta .k-btn--ghost {
    transition: none;
  }
}
<<<END>>>