/* ===== 品牌档案页 · 页面专属样式 ===== */

/* 页头区域 */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 72px;
  border-bottom: var(--border-w) solid var(--gold);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--pitch) 0 62%, var(--gold) 62% 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -80px;
  width: 380px;
  height: 380px;
  border: 3px solid rgba(0, 166, 81, .3);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 166, 81, .18) 0%, transparent 68%);
}

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

.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  margin-top: 40px;
}

.page-about .about-hero__stat {
  border-left: 3px solid var(--gold);
  padding-left: 14px;
}

.page-about .about-hero__num {
  display: block;
  font-family: var(--font-num);
  font-size: 2.2rem;
  line-height: 1.1;
  color: var(--gold);
}

.page-about .about-hero__label {
  display: block;
  margin-top: 4px;
  font-size: .82rem;
  letter-spacing: .04em;
  opacity: .72;
}

/* 品牌故事 */
.page-about .about-story {
  padding: 72px 0;
  background: var(--white);
}

.page-about .about-story__inner {
  display: grid;
  gap: 48px;
}

.page-about .about-story__content p {
  line-height: 1.75;
  margin-bottom: 16px;
}

.page-about .about-story__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.page-about .about-story__media {
  position: relative;
  border: var(--border-w) solid var(--ink);
  box-shadow: 10px 10px 0 var(--pitch);
  background: var(--mist);
}

.page-about .about-story__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-story__badge {
  position: absolute;
  top: -18px;
  right: 18px;
  background: var(--midnight);
  color: var(--champagne);
  font-family: var(--font-num);
  font-size: .82rem;
  letter-spacing: .16em;
  padding: 8px 14px;
  border: 2px solid var(--gold);
}

/* 数据能力 */
.page-about .about-data {
  position: relative;
  padding: 72px 0;
  background: var(--midnight);
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 36px 36px;
}

.page-about .about-data__head {
  max-width: 680px;
  margin-bottom: 48px;
}

.page-about .about-data__head p:last-child {
  opacity: .82;
  line-height: 1.75;
}

.page-about .about-data__steps {
  display: grid;
  gap: 20px;
  margin-bottom: 48px;
}

.page-about .about-data__step {
  background: rgba(18, 41, 74, .72);
  border: 1px solid rgba(201, 162, 39, .35);
  padding: 28px 24px 24px;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-about .about-data__step:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .25);
}

.page-about .about-data__step-num {
  display: block;
  font-family: var(--font-num);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 16px;
}

.page-about .about-data__step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 8px;
}

.page-about .about-data__step p {
  font-size: .92rem;
  line-height: 1.7;
  opacity: .8;
}

.page-about .about-data__figure {
  border: 3px solid var(--gold);
  background: rgba(255, 255, 255, .06);
  margin-bottom: 28px;
}

.page-about .about-data__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-data__fig-notes {
  border-top: 1px solid rgba(201, 162, 39, .35);
  padding: 12px 16px;
}

.page-about .about-data__fig-notes summary {
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  color: var(--champagne);
}

.page-about .about-data__fig-notes p {
  margin-top: 10px;
  font-size: .9rem;
  line-height: 1.7;
  opacity: .8;
}

.page-about .about-data__chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-about .about-data__chips .mbx-chip {
  background: rgba(255, 255, 255, .08);
  border-left: 3px solid var(--gold);
  padding: 16px;
}

.page-about .about-data__chips .mbx-chip__label {
  display: block;
  font-size: .75rem;
  letter-spacing: .08em;
  opacity: .65;
  margin-bottom: 6px;
}

.page-about .about-data__chips .mbx-chip__value {
  font-family: var(--font-num);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--sprout);
}

/* 发展里程碑 */
.page-about .about-milestones {
  padding: 72px 0;
  background: var(--mist);
  border-top: var(--border-w) solid var(--gold);
}

.page-about .about-milestones__head {
  max-width: 520px;
  margin-bottom: 48px;
}

.page-about .about-milestones__head p:last-child {
  opacity: .72;
}

.page-about .about-milestones__timeline {
  position: relative;
}

.page-about .about-milestone {
  position: relative;
  padding: 0 0 40px 28px;
  margin-left: 7px;
  border-left: 3px solid var(--gold);
}

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

.page-about .about-milestone::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 4px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--midnight);
  transition: transform .22s ease, background-color .22s ease;
}

.page-about .about-milestone:hover::before {
  transform: scale(1.3);
  background: var(--pitch);
  border-color: var(--gold);
}

.page-about .about-milestone__year {
  display: block;
  font-family: var(--font-num);
  font-size: 1.9rem;
  line-height: 1.1;
  color: var(--midnight);
  transition: color .2s ease, letter-spacing .2s ease;
}

.page-about .about-milestone:hover .about-milestone__year {
  color: var(--pitch-deep);
  letter-spacing: .08em;
}

.page-about .about-milestone__body {
  margin-top: 8px;
  padding: 10px 14px;
  border-left: 2px solid transparent;
  transition: background .22s ease, border-color .22s ease;
}

.page-about .about-milestone:hover .about-milestone__body {
  background: rgba(201, 162, 39, .08);
  border-left-color: var(--gold);
}

.page-about .about-milestone__body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.page-about .about-milestone__body p {
  font-size: .92rem;
  line-height: 1.7;
  opacity: .72;
}

/* 团队与价值观 */
.page-about .about-team {
  padding: 72px 0;
  background: var(--white);
  border-top: 1px solid var(--mist);
}

.page-about .about-team__inner {
  display: grid;
  gap: 48px;
}

.page-about .about-team__content p {
  line-height: 1.75;
  margin-bottom: 16px;
}

.page-about .about-team__values {
  list-style: none;
  margin: 24px 0 32px;
  display: grid;
  gap: 14px;
}

.page-about .about-team__value {
  padding: 18px 20px;
  border: 2px solid var(--mist);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.page-about .about-team__value:hover {
  transform: translateX(6px);
  border-color: var(--pitch);
  box-shadow: 5px 5px 0 rgba(0, 166, 81, .14);
}

.page-about .about-team__value-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .about-team__value-num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--gold);
}

.page-about .about-team__value-head h3 {
  font-size: 1.08rem;
  font-weight: 700;
}

.page-about .about-team__value p {
  margin-top: 10px;
  font-size: .92rem;
  line-height: 1.65;
  opacity: .8;
  margin-bottom: 0;
}

.page-about .about-team__media {
  border: var(--border-w) solid var(--ink);
  box-shadow: 10px 10px 0 var(--gold);
  background: var(--mist);
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* 品牌承诺与联系 */
.page-about .about-trust {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  border-top: var(--border-w) solid var(--gold);
}

.page-about .about-trust::before {
  content: "";
  position: absolute;
  left: -100px;
  top: 50%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 3px solid rgba(201, 162, 39, .22);
}

.page-about .about-trust__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}

.page-about .about-trust__main p {
  opacity: .85;
  line-height: 1.8;
}

.page-about .about-trust__contact {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(201, 162, 39, .4);
  padding: 28px 24px;
}

.page-about .about-trust__contact h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.page-about .about-trust__contact > p {
  font-size: .9rem;
  opacity: .78;
  margin-bottom: 16px;
}

.page-about .about-trust__line {
  display: block;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(201, 162, 39, .35);
  font-family: var(--font-num);
  font-size: 1.05rem;
  color: var(--champagne);
}

.page-about .about-trust__note {
  font-size: .82rem;
  opacity: .6;
  margin-top: 16px;
}

/* 桌面端布局 */
@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 72px 0 96px;
  }

  .page-about .about-hero__stats {
    gap: 56px;
  }

  .page-about .about-story {
    padding: 96px 0;
  }

  .page-about .about-story__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-about .about-data {
    padding: 96px 0;
  }

  .page-about .about-data__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .about-data__chips {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-about .about-milestones {
    padding: 96px 0;
  }

  .page-about .about-milestones > .mbx-container {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
  }

  .page-about .about-milestones__head {
    margin-bottom: 0;
  }

  .page-about .about-team {
    padding: 96px 0;
  }

  .page-about .about-team__inner {
    grid-template-columns: 5fr 4fr;
    align-items: center;
  }

  .page-about .about-trust {
    padding: 96px 0;
  }

  .page-about .about-trust__inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}