/* ===== 品牌总览页 · 专属样式 ===== */

.page-about {
  --about-rail-w: 190px;
  --about-gap: 28px;
  background: var(--cream);
  color: var(--brown);
  overflow-x: clip;
}

/* --- 首屏 --- */
.page-about .about-hero {
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(200, 149, 47, .18), rgba(200, 149, 47, 0) 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--cream);
  padding-top: calc(var(--header-h) + 38px);
}

.page-about .about-hero__inner {
  padding-bottom: 44px;
}

.page-about .about-hero .breadcrumbs {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
  margin: 0 0 26px;
}

.page-about .about-hero .breadcrumbs a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 149, 47, .55);
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-hero .breadcrumbs a:hover,
.page-about .about-hero .breadcrumbs a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 5.2vw, 46px);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  max-width: 20em;
  color: var(--paper);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

.page-about .about-hero__media {
  margin: 0;
  display: block;
  line-height: 0;
  border-top: 1px solid rgba(200, 149, 47, .32);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

/* --- 骨架：侧边索引 + 内容流 --- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-block: 50px 72px;
  align-items: start;
}

.page-about .about-rail {
  background: var(--ink);
  border: 1px solid var(--ink-2);
  border-radius: 3px;
  box-shadow: var(--shadow-ink);
  padding: 20px 16px 18px;
}

.page-about .about-rail__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-ink);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-about .about-rail .rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-rail .rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px 8px 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-rail .rail__link:hover,
.page-about .about-rail .rail__link:focus-visible {
  color: var(--paper);
  background: var(--ink-2);
  border-left-color: var(--amber);
}

.page-about .about-rail .rail__link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-about .about-rail .rail__num {
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

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

/* --- 通用区块 --- */
.page-about .about-section {
  margin-bottom: 74px;
}

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

.page-about .about-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--seal);
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 33px);
  line-height: 1.26;
  letter-spacing: -.01em;
  margin: 0 0 22px;
  max-width: 22em;
  color: var(--brown);
}

.page-about .about-prose p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.88;
  color: var(--brown);
}

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

/* --- 结构图 --- */
.page-about .about-figure {
  margin: 32px 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  box-shadow: var(--shadow-1);
}

.page-about .about-figure figcaption {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(36, 28, 21, .68);
}

/* --- 八栏目清单 --- */
.page-about .about-taxonomy {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  overflow: hidden;
}

.page-about .about-taxonomy__item {
  position: relative;
  background: var(--paper);
  padding: 20px 22px 22px 26px;
  transition: background-color var(--dur) var(--ease);
}

.page-about .about-taxonomy__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 22px;
  width: 3px;
  background: var(--amber);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-about .about-taxonomy__item:hover {
  background: #fff;
}

.page-about .about-taxonomy__item:hover::before {
  opacity: 1;
}

.page-about .about-taxonomy__num {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .1em;
}

.page-about .about-taxonomy__title {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--brown);
}

.page-about .about-taxonomy__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(36, 28, 21, .78);
}

/* --- 时间轴 --- */
.page-about .about-timeline {
  list-style: none;
  margin: 34px 0 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--amber), rgba(200, 149, 47, .22));
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 34px;
}

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

.page-about .about-timeline__node {
  position: absolute;
  left: -30px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--amber);
  box-shadow: 0 0 0 3px var(--cream);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-timeline__item:hover .about-timeline__node {
  background: var(--seal);
  border-color: var(--seal);
}

.page-about .about-timeline__year {
  margin: 0 0 5px;
  font-size: 14px;
  letter-spacing: .1em;
}

.page-about .about-timeline__title {
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--brown);
}

.page-about .about-timeline__text {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.86;
  color: rgba(36, 28, 21, .8);
}

/* --- 横向数据带 --- */
.page-about .about-band {
  position: relative;
  margin: 0 0 74px;
  padding: 34px 26px 30px 32px;
  background: var(--ink);
  color: var(--cream);
  border-radius: 3px;
  box-shadow: var(--shadow-ink);
  overflow: hidden;
}

.page-about .about-band::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--amber) 0%, var(--seal) 55%, var(--celadon) 100%);
}

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

.page-about .about-band__value {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--amber);
}

.page-about .about-band__label {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .about-diagram {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 26px;
}

.page-about .about-diagram__cells rect {
  fill: rgba(154, 174, 193, .14);
  stroke: rgba(154, 174, 193, .42);
  stroke-width: 1;
}

.page-about .about-diagram__cells--now rect {
  fill: rgba(200, 149, 47, .2);
  stroke: rgba(200, 149, 47, .75);
}

.page-about .about-diagram__arrow {
  stroke: var(--amber);
  stroke-width: 2;
  fill: none;
}

.page-about .about-diagram__head {
  fill: var(--amber);
}

.page-about .about-diagram__text {
  fill: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
}

/* --- 服务节点 --- */
.page-about .about-nodes {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-nodes__item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--celadon);
  border-radius: 3px;
  padding: 18px 20px 20px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-nodes__item:hover {
  transform: translateY(-2px);
  border-color: var(--line-amber);
  border-left-color: var(--amber);
  box-shadow: var(--shadow-1);
}

.page-about .about-nodes__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
}

.page-about .about-nodes__name {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.4;
  color: var(--brown);
}

.page-about .about-nodes__tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--seal);
  border: 1px solid rgba(166, 58, 42, .38);
  border-radius: 2px;
}

.page-about .about-nodes__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(36, 28, 21, .78);
}

.page-about .about-highlight {
  position: relative;
  margin: 24px 0 0;
  padding: 16px 20px 16px 22px;
  background: rgba(200, 149, 47, .09);
  border-left: 4px solid var(--ember);
  border-radius: 0 3px 3px 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--brown);
}

/* --- 团队 --- */
.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 4px;
}

.page-about .about-split__media {
  margin: 0;
}

.page-about .about-split__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  box-shadow: var(--shadow-1);
}

.page-about .about-split__media figcaption {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 2px solid var(--celadon);
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(36, 28, 21, .66);
}

.page-about .about-crew {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-crew__item {
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-about .about-crew__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--brown);
}

.page-about .about-crew__name::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 8px;
  background: var(--amber);
}

.page-about .about-crew__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(36, 28, 21, .78);
}

.page-about .about-cadence {
  margin-top: 40px;
  padding: 26px 24px;
  background: var(--cream);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  box-shadow: var(--shadow-1);
}

.page-about .about-cadence__title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--brown);
}

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

.page-about .about-cadence__item {
  font-size: 15px;
  line-height: 1.86;
  color: rgba(36, 28, 21, .82);
}

.page-about .about-cadence__key {
  display: inline-block;
  min-width: 4.2em;
  margin-right: 10px;
  padding: 1px 8px;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: rgba(200, 149, 47, .28);
  border-radius: 2px;
}

.page-about .about-cadence__foot {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.86;
  color: rgba(36, 28, 21, .74);
}

.page-about .about-cadence__foot a {
  color: var(--seal);
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 58, 42, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-cadence__foot a:hover,
.page-about .about-cadence__foot a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* --- 关键数字 --- */
.page-about .about-metrics {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-metrics__item {
  padding: 20px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-metrics__item:hover {
  border-color: var(--line-amber);
  box-shadow: var(--shadow-1);
}

.page-about .about-metrics__label {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: rgba(36, 28, 21, .62);
}

.page-about .about-metrics__value {
  margin: 0;
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}

.page-about .about-metrics__value span {
  font-size: 14px;
  font-weight: 400;
  color: rgba(36, 28, 21, .7);
  margin-left: 4px;
}

.page-about .about-metrics__track {
  display: block;
  margin-top: 14px;
  height: 6px;
  background: rgba(154, 174, 193, .28);
  border-radius: 999px;
  overflow: hidden;
}

.page-about .about-metrics__bar {
  display: block;
  height: 100%;
  width: var(--fill, 50%);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--celadon) 0%, var(--amber) 100%);
}

/* --- 卡住怎么办 --- */
.page-about .about-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  counter-reset: none;
}

.page-about .about-steps__item {
  position: relative;
  padding: 24px 22px 24px 26px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-steps__item:hover {
  transform: translateY(-2px);
  border-color: var(--line-amber);
  box-shadow: var(--shadow-2);
}

.page-about .about-steps__num {
  display: block;
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: .12em;
}

.page-about .about-steps__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.4;
  color: var(--brown);
}

.page-about .about-steps__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.86;
  color: rgba(36, 28, 21, .8);
}

.page-about .about-steps__link {
  display: inline-block;
  font-size: 14px;
  color: var(--seal);
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 58, 42, .45);
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-steps__link:hover,
.page-about .about-steps__link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-about .about-tail {
  margin-top: 34px;
  padding: 24px 24px 26px;
  background: linear-gradient(120deg, rgba(200, 149, 47, .12), rgba(78, 127, 110, .12));
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--amber);
  border-radius: 0 3px 3px 0;
}

.page-about .about-tail__text {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.86;
  color: var(--brown);
}

/* --- 平板 --- */
@media (min-width: 720px) {
  .page-about .about-taxonomy {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-nodes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: 32px;
  }

  .page-about .about-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* --- 桌面 --- */
@media (min-width: 1000px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 52px);
  }

  .page-about .about-hero__inner {
    padding-bottom: 56px;
  }

  .page-about .about-layout {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 54px;
    padding-block: 74px 96px;
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h-solid) + 22px);
  }

  .page-about .about-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* --- 大屏 --- */
@media (min-width: 1280px) {
  .page-about .about-taxonomy__item {
    padding: 22px 26px 24px 30px;
  }

  .page-about .about-band {
    padding: 40px 34px 34px 40px;
  }
}
<<<END>>>

.page-about {
  --fill: currentColor;
}