/* ============================================================
   品牌介绍页 · page-about
   ============================================================ */

.page-about {
  --about-ink-soft: rgba(242, 239, 230, 0.78);
  --about-ink-mute: rgba(242, 239, 230, 0.62);
  --about-barley-soft: rgba(216, 166, 60, 0.4);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs {
  margin-bottom: 24px;
}

.page-about .about-crumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-about .about-crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--steel);
}

.page-about .about-crumbs li + li::before {
  content: "/";
  color: rgba(143, 163, 192, 0.5);
}

.page-about .about-crumbs a {
  color: var(--steel);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-about .about-crumbs a:hover,
.page-about .about-crumbs a:focus-visible {
  color: var(--barley);
}

.page-about .about-crumbs li[aria-current="page"] {
  color: var(--barley);
}

/* ---------- 首屏分屏 ---------- */
.page-about .about-hero.sh-band {
  padding-top: 22px;
  padding-bottom: 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-hero.sh-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  padding-bottom: 76px;
}

.page-about .about-hero__split {
  display: grid;
  gap: 34px;
  margin-top: 8px;
}

@media (min-width: 1024px) {
  .page-about .about-hero__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: center;
    margin-top: 14px;
  }
}

.page-about .about-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--barley);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(33px, 5.6vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--prayer);
  overflow-wrap: break-word;
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--barley);
}

.page-about .about-hero__lead {
  margin: 24px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.82;
  color: rgba(242, 239, 230, 0.8);
}

.page-about .about-hero__lead--sub {
  margin-top: 14px;
  color: var(--steel);
  font-size: 14.5px;
}

.page-about .about-hero__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-strong);
  border-top-color: var(--barley);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 88px;
  height: 4px;
  background: var(--butter);
}

/* ---------- 主体区 ---------- */
.page-about .about-body {
  background: var(--ink-night);
  padding: 78px 0 96px;
}

@media (min-width: 1024px) {
  .page-about .about-body {
    padding: 104px 0 132px;
  }
}

.page-about .about-layout {
  display: grid;
  gap: 44px;
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 68px;
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-about .about-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 92px;
  }
}

/* ---------- 章节目录 ---------- */
.page-about .about-toc {
  padding-top: 16px;
  border-top: 1px solid var(--barley);
}

@media (min-width: 1024px) {
  .page-about .about-toc {
    position: sticky;
    top: calc(var(--bar-h) + 30px);
    max-height: calc(100vh - var(--bar-h) - 60px);
    overflow-y: auto;
  }
}

.page-about .about-toc__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-about .about-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

@media (min-width: 1024px) {
  .page-about .about-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }
}

.page-about .about-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 5px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--steel);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

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

.page-about .about-toc__link[aria-current="true"] {
  color: var(--barley);
}

.page-about .about-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--barley);
  opacity: 0.65;
}

/* ---------- 章节容器 ---------- */
.page-about .about-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 88px;
}

@media (min-width: 1024px) {
  .page-about .about-content {
    gap: 128px;
  }
}

.page-about .about-chapter {
  position: relative;
  scroll-margin-top: calc(var(--bar-h) + 36px);
}

.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 18px;
  align-items: end;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-chapter__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(42px, 6.4vw, 86px);
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: rgba(216, 166, 60, 0.14);
  -webkit-text-stroke: 1px var(--barley);
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--prayer);
  overflow-wrap: break-word;
}

.page-about .about-chapter__body {
  max-width: 68ch;
  margin-top: 30px;
}

.page-about .about-chapter__body p {
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--about-ink-soft);
}

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

.page-about .about-chapter__body p.about-chapter__lede {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.72;
  color: var(--prayer);
}

/* ---------- 三条栏目线 ---------- */
.page-about .about-lines {
  display: grid;
  gap: 30px;
  margin-top: 42px;
}

@media (min-width: 900px) {
  .page-about .about-lines {
    grid-template-columns: 1fr 1.18fr 0.92fr;
    gap: 32px;
    align-items: start;
  }

  .page-about .about-line:nth-child(2) {
    margin-top: 46px;
  }

  .page-about .about-line:nth-child(3) {
    margin-top: 18px;
  }
}

.page-about .about-line {
  border-top: 2px solid var(--line-strong);
  padding-top: 20px;
}

.page-about .about-line--a { border-top-color: var(--butter); }
.page-about .about-line--b { border-top-color: var(--barley); }
.page-about .about-line--c { border-top-color: var(--proof); }

.page-about .about-line .sh-tag {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-about .about-line__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  color: var(--prayer);
}

.page-about .about-line__text {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-line__scene {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--line-strong);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .about-lines__note {
  margin: 42px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .about-lines__note a,
.page-about .about-outro a {
  color: var(--barley);
  text-decoration: none;
  border-bottom: 1px solid var(--about-barley-soft);
  transition: border-color 180ms var(--ease);
}

.page-about .about-lines__note a:hover,
.page-about .about-lines__note a:focus-visible,
.page-about .about-outro a:hover,
.page-about .about-outro a:focus-visible {
  border-bottom-color: var(--barley);
}

/* ---------- 三组分工 ---------- */
.page-about .about-team {
  display: grid;
  gap: 34px;
  margin-top: 38px;
}

@media (min-width: 1024px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: 52px;
    align-items: start;
  }
}

.page-about .about-team__cols {
  display: grid;
  gap: 26px;
}

.page-about .about-team__col {
  position: relative;
  padding-left: 20px;
  border-left: 1px solid var(--line-strong);
}

.page-about .about-team__col::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 7px;
  width: 5px;
  height: 5px;
  background: var(--butter);
}

.page-about .about-team__role {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--barley);
}

.page-about .about-team__col p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-team__media {
  margin: 0;
  border: 1px solid var(--line);
}

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

.page-about .about-team__pace {
  margin: 34px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 三环节流程 ---------- */
.page-about .about-flow {
  list-style: none;
  margin: 42px 0 0;
  padding: 0 0 0 30px;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 34px;
}

.page-about .about-flow li {
  position: relative;
}

.page-about .about-flow li::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 6px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--barley);
  background: var(--ink-night);
}

.page-about .about-flow__step {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--barley);
}

.page-about .about-flow__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--prayer);
}

.page-about .about-flow li p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-note {
  margin-top: 46px;
  max-width: 68ch;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--barley);
  background: rgba(216, 166, 60, 0.06);
}

.page-about .about-note__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--barley);
}

.page-about .about-note p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-ink-soft);
}

/* ---------- 合作伙伴 ---------- */
.page-about .about-partners {
  display: grid;
  gap: 1px;
  margin-top: 38px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 768px) {
  .page-about .about-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-partners__group {
  background: var(--ink-night);
  padding: 26px 24px 28px;
}

.page-about .about-partners__head {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--prayer);
}

.page-about .about-partners__num {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--barley);
}

.page-about .about-partners__group p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-collab {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 768px) {
  .page-about .about-collab {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-collab li {
  background: var(--ink-night);
  padding: 24px 22px 26px;
}

.page-about .about-collab__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--butter);
}

.page-about .about-collab li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

/* ---------- 时间线 ---------- */
.page-about .about-tl {
  list-style: none;
  margin: 42px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--barley), rgba(216, 166, 60, 0.12));
}

.page-about .about-tl__item {
  position: relative;
  padding: 0 0 34px 38px;
}

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

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--barley);
  background: var(--ink-night);
}

.page-about .about-tl__date {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--barley);
}

.page-about .about-tl__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--prayer);
}

.page-about .about-tl__text {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-tl__media {
  margin: 46px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.page-about .about-tl__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  opacity: 0.72;
}

/* ---------- 收尾 ---------- */
.page-about .about-outro {
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 480px) {
  .page-about .about-body {
    padding: 64px 0 80px;
  }

  .page-about .about-content {
    gap: 76px;
  }

  .page-about .about-chapter__head {
    gap: 2px 12px;
  }

  .page-about .about-flow {
    padding-left: 22px;
  }

  .page-about .about-flow li::before {
    left: -28px;
  }

  .page-about .about-tl__item {
    padding-left: 30px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-toc__link,
  .page-about .about-crumbs a,
  .page-about .about-lines__note a,
  .page-about .about-outro a {
    transition: none;
  }
}
<<<END>>>