.page-about {
  --about-hair: rgba(16, 35, 63, .12);
  --about-gold-line: rgba(242, 181, 49, .58);
  background: var(--cream);
  color: var(--navy);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs {
  padding: var(--sp-3) 0 0;
}

.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ink-mute);
}

.page-about .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-about .breadcrumbs li + li::before {
  content: "/";
  color: var(--line-strong);
}

.page-about .breadcrumbs a {
  color: var(--navy-2);
  font-weight: 600;
  text-decoration: none;
}

.page-about .breadcrumbs a:hover {
  color: var(--red);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: var(--sp-4) 0 var(--sp-5);
  background:
    radial-gradient(900px 420px at 92% -10%, rgba(226, 59, 46, .14), transparent 64%),
    radial-gradient(700px 380px at 4% 16%, rgba(242, 181, 49, .18), transparent 70%),
    linear-gradient(180deg, var(--cream) 0%, var(--sand) 100%);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-about .about-hero__text .eyebrow {
  margin-bottom: var(--sp-2);
}

.page-about .about-hero h1 {
  margin: 0 0 var(--sp-3);
  font-size: clamp(32px, 8.4vw, 68px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--navy);
}

.page-about .about-hero .lead {
  margin: 0 0 var(--sp-3);
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-about .about-hero__note {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 8px 16px;
  border: 1px solid var(--about-hair);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .68);
  font-size: 14px;
  color: var(--ink-soft);
}

.page-about .about-hero__note .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--about-hair);
  border-radius: var(--r-md);
  background: var(--about-hair);
}

.page-about .about-hero__facts .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--sp-3) var(--sp-2);
  background: var(--white);
}

.page-about .about-hero__facts .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .01em;
  color: var(--red);
}

.page-about .about-hero__facts .stat__label {
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ink-mute);
}

/* ---------- 版本刻度尺 ---------- */
.page-about .about-ruler {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .74);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-about .about-ruler__cap {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-about .about-ruler__list {
  display: flex;
  align-items: flex-end;
  gap: var(--sp-2);
  flex: 1 1 auto;
  min-width: 440px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-ruler__list li {
  position: relative;
  flex: 1 1 0;
  padding-top: 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--gray);
  white-space: nowrap;
}

.page-about .about-ruler__list li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 8px;
  background: rgba(16, 35, 63, .28);
  transform: translateX(-50%);
}

.page-about .about-ruler__list li.is-now {
  font-weight: 700;
  color: var(--red);
}

.page-about .about-ruler__list li.is-now::before {
  width: 3px;
  height: 11px;
  border-radius: var(--r-pill);
  background: var(--red);
}

/* ---------- 我们做什么 ---------- */
.page-about .about-what__list {
  display: grid;
  gap: var(--sp-3);
}

.page-about .about-what__item {
  padding: var(--sp-3);
  border-left: 6px solid var(--red);
  border-radius: var(--r-md);
  background: var(--sand);
}

.page-about .about-what__item:nth-child(2) {
  border-left-color: var(--navy-2);
}

.page-about .about-what__item:nth-child(3) {
  border-left-color: var(--gold);
}

.page-about .about-what__item h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--navy);
}

.page-about .about-what__item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 版本时间线 ---------- */
.page-about .about-tl__media {
  margin: var(--sp-4) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--navy);
}

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

.page-about .about-tl__media .media__caption {
  padding: 12px var(--sp-3);
  background: var(--navy);
  color: var(--cream-mute);
  font-size: 13px;
}

.page-about .about-timeline {
  margin-top: var(--sp-4);
}

.page-about .about-timeline .accordion__item {
  position: relative;
  padding: 0 0 var(--sp-4) var(--sp-4);
  border-left: 2px solid var(--about-gold-line);
}

.page-about .about-timeline .accordion__item:first-child {
  padding-top: 4px;
}

.page-about .about-timeline .accordion__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-timeline .accordion__item::before {
  content: "";
  position: absolute;
  top: 10px;
  left: -7px;
  width: 12px;
  height: 12px;
  border: 3px solid var(--gold);
  border-radius: 50%;
  background: var(--cream);
}

.page-about .about-timeline .accordion__trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .about-timeline .accordion__trigger:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-about .about-tl__pill {
  flex: 0 0 auto;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  background: var(--navy);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-about .about-tl__label {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--navy);
}

.page-about .about-timeline .accordion__icon {
  flex: 0 0 auto;
  color: var(--gray);
}

.page-about .about-timeline .accordion__panel {
  max-width: 70ch;
  padding-top: var(--sp-2);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-about .about-timeline .accordion__panel p {
  margin: 0 0 .9em;
}

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

.page-about .about-tl__gain {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  background: rgba(242, 181, 49, .2);
  color: var(--navy);
  font-size: 15px;
}

/* ---------- 编辑标准 ---------- */
.page-about .about-editorial {
  position: relative;
  overflow: hidden;
}

.page-about .about-editorial::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -140px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(242, 181, 49, .22);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-editorial .container {
  position: relative;
  z-index: 1;
}

.page-about .about-editorial .eyebrow {
  color: var(--gold);
}

.page-about .about-editorial .eyebrow::before {
  background: var(--gold);
}

.page-about .about-editorial .section-title {
  color: var(--cream);
}

.page-about .about-flow {
  display: grid;
  gap: var(--sp-3);
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-flow > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: var(--sp-2);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid rgba(253, 246, 236, .16);
}

.page-about .about-flow > li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-flow__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-about .about-flow h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream);
}

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

.page-about .about-editorial__figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

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

.page-about .about-editorial__figure .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cream-mute);
}

.page-about .about-fix {
  margin-top: var(--sp-3);
  padding: var(--sp-3);
  border: 1px solid rgba(242, 181, 49, .32);
  border-radius: var(--r-md);
  background: rgba(30, 58, 102, .55);
}

.page-about .about-fix h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--cream);
}

.page-about .about-fix p {
  margin: 0 0 var(--sp-2);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream-soft);
}

/* ---------- 团队构成 ---------- */
.page-about .about-team__bars {
  display: grid;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

.page-about .about-bar__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: 10px;
}

.page-about .about-bar__name {
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
}

.page-about .about-bar__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--red);
}

.page-about .about-bar__track {
  height: 14px;
  border-radius: var(--r-pill);
  background: rgba(16, 35, 63, .09);
  overflow: hidden;
}

.page-about .about-bar__fill {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  width: var(--about-w, 0%);
  transition: width .9s var(--ease);
}

.page-about .about-bar__fill--data {
  --about-w: 43%;
  background: linear-gradient(90deg, var(--red), #f0604f);
}

.page-about .about-bar__fill--edit {
  --about-w: 32%;
  background: linear-gradient(90deg, var(--navy), var(--navy-2));
}

.page-about .about-bar__fill--tech {
  --about-w: 25%;
  background: linear-gradient(90deg, #d99a1a, var(--gold));
}

.page-about .about-bar__note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 价值主张 ---------- */
.page-about .about-values {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.page-about .about-value {
  padding: var(--sp-3);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-lg);
  background: var(--white);
  transition: opacity .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-about .about-values:hover .about-value {
  opacity: .62;
}

.page-about .about-values .about-value:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-about .about-value__mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: var(--sp-2);
  border-radius: 12px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

.page-about .about-value--2 .about-value__mark {
  background: var(--navy);
  color: var(--gold);
}

.page-about .about-value--3 .about-value__mark {
  background: var(--gold);
  color: var(--navy);
}

.page-about .about-value--4 .about-value__mark {
  background: var(--neon);
  color: var(--navy);
}

.page-about .about-value h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--navy);
}

.page-about .about-value p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 荣誉 ---------- */
.page-about .about-honor__inner {
  align-items: center;
}

.page-about .about-honor__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--navy);
}

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

.page-about .about-honor__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-about .about-honor__body .section-title {
  margin-bottom: var(--sp-2);
}

.page-about .about-honor__list {
  display: grid;
  gap: var(--sp-2);
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-honor__list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .about-honor__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 12px;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--gold);
}

.page-about .about-honor__cta {
  margin-top: var(--sp-3) !important;
}

/* ---------- 编辑守则引语 ---------- */
.page-about .about-quote {
  padding: var(--sp-5) 0;
  background: var(--sand);
}

.page-about .about-quote blockquote {
  position: relative;
  margin: 0;
  padding: var(--sp-5) var(--sp-3) var(--sp-3);
  border: 1px solid rgba(242, 181, 49, .5);
  border-radius: var(--r-lg);
  background: var(--cream);
}

.page-about .about-quote__mark {
  position: absolute;
  top: -12px;
  left: var(--sp-3);
  margin: 0;
  font-family: serif;
  font-size: 88px;
  line-height: 1;
  color: var(--red);
}

.page-about .about-quote__text {
  margin: 0 0 var(--sp-2);
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -.015em;
  color: var(--navy);
}

.page-about .about-quote__by {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--gray);
}

/* ---------- 下一步 ---------- */
.page-about .about-next {
  padding-bottom: var(--sp-6);
}

.page-about .about-next__grid {
  display: grid;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.page-about .about-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-md);
  background: var(--white);
  color: var(--navy);
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.page-about .about-next__link:hover {
  border-color: var(--red);
  background: rgba(226, 59, 46, .05);
  transform: translateY(-2px);
}

.page-about .about-next__text {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-about .about-next__label {
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
}

.page-about .about-next__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-mute);
}

.page-about .about-next__arrow {
  flex: 0 0 auto;
  font-size: 20px;
  color: var(--red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__facts .stat {
    padding: var(--sp-4) var(--sp-3);
  }

  .page-about .about-what__item {
    padding: var(--sp-4) var(--sp-3);
  }

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

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

  .page-about .about-quote blockquote {
    padding: var(--sp-5) var(--sp-4) var(--sp-4);
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding: var(--sp-5) 0 var(--sp-6);
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-5);
    align-items: start;
  }

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

  .page-about .about-what__list {
    align-content: start;
  }

  .page-about .about-timeline .accordion__item {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    column-gap: var(--sp-3);
    padding-left: var(--sp-5);
  }

  .page-about .about-timeline .accordion__trigger {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-about .about-timeline .accordion__icon {
    position: absolute;
    right: 0;
    top: 6px;
  }

  .page-about .about-timeline .accordion__panel {
    grid-column: 2;
    grid-row: 1;
    padding-top: 4px;
  }

  .page-about .about-timeline .accordion__item::before {
    top: 14px;
  }

  .page-about .about-flow > li {
    grid-template-columns: 52px minmax(0, 1fr);
  }

  .page-about .about-team__bars {
    gap: var(--sp-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-bar__fill,
  .page-about .about-value,
  .page-about .about-next__link {
    transition: none;
  }

  .page-about .about-next__link:hover,
  .page-about .about-values .about-value:hover {
    transform: none;
  }
}