/* ===== 品牌档案 /profile/ ===== */
.page-about {
  background: var(--cx-rice);
}

/* --- 面包屑 --- */
.page-about .ab-crumb {
  padding-top: 18px;
}
.page-about .ab-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.6;
}
.page-about .ab-crumb li {
  color: var(--cx-grey);
}
.page-about .ab-crumb li + li::before {
  content: "›";
  margin: 0 7px;
  color: var(--cx-stain);
}
.page-about .ab-crumb a {
  color: var(--cx-amber-d);
  text-decoration: none;
}
.page-about .ab-crumb a:hover {
  text-decoration: underline;
}

/* --- 首屏 --- */
.page-about .ab-hero {
  position: relative;
  padding: 26px 0 0;
  overflow: hidden;
}
.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: 18px;
  right: 0;
  width: 58%;
  height: 260px;
  background: var(--cx-celadon-l);
  opacity: 0.55;
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}
.page-about .ab-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 96px;
  height: 96px;
  background: var(--cx-gold);
  opacity: 0.4;
  clip-path: polygon(0 0, 100% 0, 0 100%);
  z-index: 0;
  pointer-events: none;
}
.page-about .ab-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}
.page-about .ab-hero__title {
  margin: 12px 0 0;
  max-width: 16ch;
}
.page-about .ab-hero__lead {
  margin-top: 18px;
  max-width: 40ch;
  color: var(--cx-grey);
}
.page-about .ab-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  color: var(--cx-grey);
}
.page-about .ab-hero__facts li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-about .ab-hero__facts .cx-mono {
  font-size: 17px;
  font-weight: 700;
  color: var(--cx-ink);
  background: var(--cx-stain);
  padding: 2px 9px;
  border-radius: 4px 12px 6px 14px;
}
.page-about .ab-hero__media {
  margin: 0;
}
.page-about .ab-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--cx-ink);
  box-shadow: var(--cx-hard-ink);
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-about .ab-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 56px;
    align-items: end;
  }
}

/* --- 骨架：左标题柱 + 右窄栏 --- */
.page-about .ab-shell {
  display: grid;
  gap: 34px;
  padding-top: 56px;
  padding-bottom: 84px;
}
@media (min-width: 1000px) {
  .page-about .ab-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 64px 72px;
    align-items: start;
    padding-top: 88px;
    padding-bottom: 112px;
  }
}

/* --- 章节目录 --- */
.page-about .ab-toc {
  padding: 0 0 0 18px;
  border-left: 2px solid var(--cx-stain);
}
@media (min-width: 1000px) {
  .page-about .ab-toc {
    position: sticky;
    top: calc(var(--cx-header-h) + 28px);
  }
}
.page-about .ab-toc .cx-toc__title {
  margin: 0 0 14px;
  font-family: var(--cx-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cx-grey);
}
.page-about .ab-toc .cx-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .ab-toc .cx-toc__link {
  display: block;
  padding: 8px 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--cx-grey);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}
.page-about .ab-toc .cx-toc__link:hover {
  color: var(--cx-amber-d);
  transform: translateX(3px);
}
.page-about .ab-toc .cx-toc__link.is-active,
.page-about .ab-toc .cx-toc__link[aria-current="true"] {
  color: var(--cx-ink);
  font-weight: 700;
}

/* --- 章节通用 --- */
.page-about .ab-sec {
  scroll-margin-top: calc(var(--cx-header-h) + 24px);
  padding-bottom: 52px;
}
.page-about .ab-sec + .ab-sec {
  padding-top: 48px;
  border-top: 2px dashed var(--cx-stain);
}
.page-about .ab-sec:last-child {
  padding-bottom: 0;
}
.page-about .ab-sec__no {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 11px;
  font-family: var(--cx-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cx-ink);
  background: var(--cx-stain);
  border-radius: 4px 12px 6px 14px;
  opacity: 0.6;
  transition: opacity 0.3s ease, background-color 0.3s ease;
}
.page-about .ab-sec:target .ab-sec__no,
.page-about .ab-sec.is-on .ab-sec__no {
  opacity: 1;
  background: var(--cx-gold);
}
.page-about .ab-sec .cx-h2 {
  margin: 0 0 16px;
  max-width: 22ch;
}
.page-about .ab-sec__desc {
  margin: 0 0 22px;
  max-width: 40ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--cx-grey);
}
.page-about .ab-note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 4px solid var(--cx-celadon);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cx-grey);
  max-width: 42ch;
}

/* --- 四道手 --- */
.page-about .ab-steps {
  counter-reset: abstep;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .ab-steps li {
  counter-increment: abstep;
  position: relative;
  padding: 18px 20px 18px 62px;
  background: var(--cx-paper);
  border: 2px solid var(--cx-ink);
  box-shadow: 4px 4px 0 var(--cx-celadon-l);
  transition: box-shadow 0.24s ease, transform 0.24s ease;
}
.page-about .ab-steps li:hover {
  box-shadow: 2px 2px 0 var(--cx-celadon);
  transform: translate(2px, 2px);
}
.page-about .ab-steps li::before {
  content: counter(abstep, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 18px;
  padding: 2px 6px;
  font-family: var(--cx-mono);
  font-size: 12px;
  color: var(--cx-paper);
  background: var(--cx-celadon);
  border-radius: 3px 9px 4px 10px;
}
.page-about .ab-steps strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--cx-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--cx-ink);
}
.page-about .ab-steps span {
  display: block;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cx-grey);
}

/* --- 团队分工 --- */
.page-about .ab-roles {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--cx-paper);
  border: 2px solid var(--cx-ink);
}
.page-about .ab-roles li {
  padding: 20px;
  border-bottom: 2px solid var(--cx-ink);
}
.page-about .ab-roles li:last-child {
  border-bottom: 0;
}
.page-about .ab-roles__n {
  margin: 0;
  font-family: var(--cx-mono);
  font-size: 34px;
  line-height: 1;
  font-weight: 700;
  color: var(--cx-pine);
}
.page-about .ab-roles__label {
  margin: 8px 0 6px;
  font-family: var(--cx-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--cx-ink);
}
.page-about .ab-roles__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cx-grey);
}
@media (min-width: 720px) {
  .page-about .ab-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .ab-roles li {
    border-bottom: 0;
    border-right: 2px solid var(--cx-ink);
  }
  .page-about .ab-roles li:last-child {
    border-right: 0;
  }
}

/* --- 图文并排 --- */
.page-about .ab-split {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}
.page-about .ab-split__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cx-grey);
}
.page-about .ab-split__media {
  margin: 0;
}
.page-about .ab-split__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--cx-ink);
  box-shadow: var(--cx-hard);
  object-fit: cover;
}
@media (min-width: 800px) {
  .page-about .ab-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 36px;
    align-items: center;
  }
}

/* --- 时间线主题带 --- */
.page-about .ab-track {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 6px 2px 22px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.page-about .ab-track:focus-visible {
  outline: 2px dashed var(--cx-amber);
  outline-offset: 4px;
}
.page-about .ab-node {
  scroll-snap-align: start;
  flex: 0 0 78%;
  max-width: 290px;
  padding: 20px 20px 22px;
  background: var(--cx-paper);
  border: 2px solid var(--cx-ink);
  box-shadow: 6px 6px 0 var(--cx-celadon);
  transition: box-shadow 0.24s ease, transform 0.24s ease;
}
.page-about .ab-node:hover {
  box-shadow: 2px 2px 0 var(--cx-celadon);
  transform: translate(2px, 2px);
}
.page-about .ab-node__when {
  margin: 0;
  font-family: var(--cx-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cx-amber-d);
}
.page-about .ab-node__title {
  margin: 9px 0 10px;
  font-family: var(--cx-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cx-ink);
}
.page-about .ab-node__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cx-grey);
}
@media (min-width: 700px) {
  .page-about .ab-node {
    flex: 0 0 262px;
  }
}
.page-about .ab-timeline__media {
  margin: 32px 0 0;
}
.page-about .ab-timeline__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--cx-ink);
  box-shadow: var(--cx-hard);
  object-fit: cover;
}

/* --- 折叠面板 --- */
.page-about .ab-fold {
  margin: 0 0 16px;
  background: var(--cx-paper);
  border: 2px solid var(--cx-ink);
  box-shadow: 4px 4px 0 var(--cx-stain);
}
.page-about .ab-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  font-family: var(--cx-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--cx-ink);
  cursor: pointer;
  list-style: none;
}
.page-about .ab-fold > summary::-webkit-details-marker {
  display: none;
}
.page-about .ab-fold > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--cx-mono);
  font-size: 20px;
  color: var(--cx-amber);
}
.page-about .ab-fold[open] > summary::after {
  content: "–";
}
.page-about .ab-fold > summary:hover {
  background: #FBF3E4;
}
.page-about .ab-fold__body {
  padding: 6px 20px 20px;
  border-top: 2px dashed var(--cx-stain);
}
.page-about .ab-fold__body ul {
  margin: 14px 0 0;
  padding-left: 20px;
  list-style: none;
}
.page-about .ab-fold__body li {
  position: relative;
  margin: 0 0 10px;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cx-grey);
}
.page-about .ab-fold__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--cx-amber);
  border-radius: 50%;
}

/* --- 收尾指引 --- */
.page-about .ab-next {
  margin: 30px 0 0;
  padding: 20px 22px;
  background: var(--cx-paper);
  border-left: 6px solid var(--cx-amber);
  font-size: 15px;
  line-height: 1.9;
  color: var(--cx-grey);
}
.page-about .ab-next a {
  color: var(--cx-amber-d);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px dashed var(--cx-amber);
}
.page-about .ab-next a:hover {
  color: var(--cx-ink);
  border-bottom-color: var(--cx-ink);
}
<<<END>>>