/* ═══════════════════════════════════════════════
   品牌概况页 · page-about
   ═══════════════════════════════════════════════ */

.page-about {
  --about-axis: 79px;
  --card-shadow: 0 1px 0 rgba(42, 33, 27, .03), 0 14px 32px -22px rgba(42, 33, 27, .45);
  --hatch: repeating-linear-gradient(135deg, rgba(31, 61, 43, .05) 0 8px, transparent 8px 16px);
}

/* ── 面包屑 ── */
.page-about .breadcrumb {
  padding-top: 30px;
}

/* ── 通用标题 ── */
.page-about h2 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.5rem, 1rem + 2.2vw, 2.25rem);
  line-height: 1.32;
  color: var(--green);
  max-width: 22em;
}

.page-about h3 {
  font-weight: 600;
}

/* ═══ 首屏 ═══ */
.page-about .about-hero {
  padding: 36px 0 0;
}

.page-about .about-hero .eyebrow {
  margin: 0;
  color: var(--apricot-deep);
}

.page-about .about-hero h1 {
  margin: 18px 0 0;
  color: var(--green);
  max-width: 12em;
  letter-spacing: -.01em;
}

.page-about .about-hero__foot {
  margin-top: 38px;
  display: grid;
  gap: 34px;
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

/* 数据格 */
.page-about .about-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-stats > div {
  background: var(--paper);
  padding: 16px 16px 18px;
}

.page-about .about-stats dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--ink-soft);
}

.page-about .about-stats dd {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: 1.625rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--green);
}

@media (min-width: 900px) {
  .page-about .about-hero__foot {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
    margin-top: 46px;
  }
}

/* ═══ 通栏配图 ═══ */
.page-about .about-banner {
  margin: 56px 0 0;
  padding: 0;
}

.page-about .about-banner__frame {
  border: 1px solid var(--line);
  background: var(--hatch), var(--paper);
  overflow: hidden;
}

.page-about .about-banner__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 640;
  object-fit: cover;
}

.page-about .about-banner .media-caption {
  margin-top: 12px;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ═══ 我们做什么 ═══ */
.page-about .about-paths {
  align-self: start;
  border: 1px solid var(--line);
  border-top: 3px solid var(--apricot);
  background: var(--paper);
  padding: 24px 22px 26px;
  box-shadow: var(--card-shadow);
}

.page-about .about-paths h3 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  color: var(--green);
}

.page-about .path-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-about .path-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-about .path-list strong {
  display: block;
  font-size: 1rem;
  color: var(--green);
}

.page-about .path-list p {
  margin: 5px 0 0;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ═══ 服务范围 ═══ */
.page-about .about-reach__grid {
  margin-top: 44px;
  display: grid;
  gap: 36px;
}

.page-about .about-reach__chart {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 26px 24px 22px;
}

.page-about .reach-svg {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto;
}

.page-about .reach-ring {
  fill: none;
  stroke-width: 1.5;
}

.page-about .reach-ring--outer { stroke: var(--apricot); opacity: .6; }
.page-about .reach-ring--mid { stroke: var(--moss); stroke-dasharray: 5 7; }
.page-about .reach-ring--inner { stroke: var(--green); opacity: .65; }
.page-about .reach-core { fill: var(--green); opacity: .08; }
.page-about .reach-dot { fill: var(--green); }

.page-about .reach-label {
  fill: var(--green);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-about .reach-legend {
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .reach-legend > li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  font-size: .9375rem;
  color: var(--ink-soft);
}

.page-about .reach-legend b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .9375rem;
  color: var(--green);
}

.page-about .reach-legend .dot {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.page-about .reach-legend .dot--a { background: var(--apricot); }
.page-about .reach-legend .dot--b { background: var(--moss); }
.page-about .reach-legend .dot--c { background: var(--green); }

.page-about .about-reach__body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 34em;
}

.page-about .about-reach__body p + p {
  margin-top: 1em;
}

.page-about .reach-points {
  margin: 26px 0 0;
  padding: 22px 0 0;
  list-style: none;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
}

.page-about .reach-points > li {
  display: grid;
  grid-template-columns: 5.2em minmax(0, 1fr);
  gap: 14px;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-about .reach-points span {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--apricot-deep);
  padding-top: .18em;
}

@media (min-width: 900px) {
  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 56px;
    align-items: center;
    margin-top: 52px;
  }
}

/* ═══ 时间线 ═══ */
.page-about .tl {
  position: relative;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 20px;
  left: calc(var(--about-axis) - 1px);
  width: 2px;
  background: linear-gradient(180deg, var(--apricot) 0, var(--line) 24%, var(--line) 100%);
}

.page-about .tl__item {
  position: relative;
  padding-left: 96px;
  padding-bottom: 44px;
}

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

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: calc(var(--about-axis) - 7px);
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--apricot);
  box-shadow: 0 0 0 3px var(--cream);
  z-index: 1;
}

.page-about .tl__year {
  position: absolute;
  left: 0;
  top: 5px;
  width: 60px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: .875rem;
  letter-spacing: .06em;
  color: var(--apricot-deep);
}

.page-about .tl__card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  padding: 22px 24px 24px;
  box-shadow: var(--card-shadow);
}

.page-about .tl__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  color: var(--green);
}

.page-about .tl__card p {
  margin: 10px 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 40em;
}

.page-about .tl__figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: var(--hatch), var(--paper);
  overflow: hidden;
}

.page-about .tl__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 880 / 560;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-about .tl__item:nth-child(even) .tl__card {
    margin-left: 30px;
  }
}

@media (max-width: 719px) {
  .page-about .tl::before,
  .page-about .tl__item::before {
    display: none;
  }

  .page-about .tl__item {
    padding-left: 0;
    padding-bottom: 36px;
  }

  .page-about .tl__year {
    position: static;
    display: block;
    width: auto;
    text-align: left;
    margin-bottom: 10px;
  }
}

/* ═══ 团队 ═══ */
.page-about .about-team__lead {
  margin-top: 44px;
  display: grid;
  gap: 32px;
}

.page-about .about-team__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--hatch), var(--paper);
  overflow: hidden;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 640;
  object-fit: cover;
}

.page-about .about-team__panels {
  margin-top: 36px;
  display: grid;
  gap: 14px;
}

.page-about .about-team__panels > .panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
}

.page-about .about-team__panels > .panel:nth-child(1) { border-top: 3px solid var(--apricot); }
.page-about .about-team__panels > .panel:nth-child(2) { border-top: 3px solid var(--moss); }
.page-about .about-team__panels > .panel:nth-child(3) { border-top: 3px solid var(--green); }

.page-about .about-team__panels > .panel > summary {
  font-size: .9375rem;
  line-height: 1.6;
  color: var(--green);
}

.page-about .about-team__panels .panel-body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .page-about .about-team__lead {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
    margin-top: 52px;
  }

  .page-about .about-team__panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 44px;
  }
}

/* ═══ 做事方式 ═══ */
.page-about .about-way__list {
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-way__list > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-way__num {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  letter-spacing: .06em;
  line-height: 1.5;
  color: var(--apricot-deep);
}

.page-about .about-way__list h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  color: var(--green);
}

.page-about .about-way__list p {
  margin: 8px 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 44em;
}

@media (min-width: 760px) {
  .page-about .about-way__list > li {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 28px;
    padding: 30px 0;
  }
}

/* ═══ 尾部指引 ═══ */
.page-about .about-next {
  padding: 8px 0 96px;
}

.page-about .about-next__panel {
  background: var(--green);
  border: 1px solid var(--green-night);
  padding: 36px 26px 34px;
  display: grid;
  gap: 28px;
}

.page-about .about-next__panel .eyebrow {
  margin: 0;
  color: var(--apricot);
}

.page-about .about-next__panel h2 {
  margin: 12px 0 0;
  color: var(--cream);
  font-size: clamp(1.4rem, 1rem + 1.6vw, 1.9rem);
  max-width: 18em;
}

.page-about .about-next__links {
  display: grid;
  gap: 10px;
}

.page-about .about-next__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line-dark);
  color: var(--cream);
  font-size: .9375rem;
  text-decoration: none;
  transition: background-color .22s ease, border-color .22s ease, color .22s ease;
}

.page-about .about-next__links a:hover,
.page-about .about-next__links a:focus-visible {
  background: rgba(242, 166, 90, .16);
  border-color: var(--apricot);
  color: #FFFFFF;
}

.page-about .about-next__links a span {
  font-family: var(--font-mono);
  color: var(--apricot);
}

@media (min-width: 640px) {
  .page-about .about-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-next__panel {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: center;
    padding: 48px 44px;
  }
}

/* ═══ 动效降级 ═══ */
@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    transform: none !important;
    transition: none !important;
  }

  .page-about .about-next__links a {
    transition: none;
  }
}