/* ===== 品牌文化页 · page-about ===== */

.page-about {
  --about-space: clamp(56px, 9vw, 116px);
}

.page-about__hero {
  padding: clamp(28px, 5vw, 56px) 0 var(--about-space);
}

.page-about__band {
  padding: var(--about-space) 0;
}

/* ---------- 首屏：杂志封面式 ---------- */

.page-about .about-cover {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-about .about-cover__title {
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-about .about-cover__lede {
  margin: 22px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.95;
  max-width: 52ch;
  color: var(--muted);
}

.page-about .about-panel {
  background: var(--green-deep);
  border: 2px solid rgba(242, 244, 238, .22);
  box-shadow: var(--shadow-soft);
  padding: 22px 22px 24px;
}

.page-about .about-panel__head {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

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

.page-about .about-panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(242, 244, 238, .14);
}

.page-about .about-panel__row:last-of-type {
  border-bottom: 0;
}

.page-about .about-panel__key {
  font-size: 14px;
  color: var(--muted);
}

.page-about .about-panel__val {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-panel__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-panel__link:hover {
  color: var(--flag);
  border-color: var(--flag);
}

/* ---------- 首屏数字条 ---------- */

.page-about .about-figures {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(242, 244, 238, .16);
  border: 2px solid rgba(242, 244, 238, .16);
}

.page-about .about-figures__item {
  background: var(--night);
  padding: 20px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-figures__num {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-about .about-figures__label {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */

.page-about .about-chapter {
  display: grid;
  gap: 26px;
}

.page-about .about-chapter__index {
  display: block;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--blue);
  margin-bottom: 14px;
}

.page-about .section--paper .about-chapter__index {
  color: var(--green-mid);
}

.page-about .about-chapter__head h2 {
  margin: 0;
  line-height: 1.24;
  max-width: 22ch;
}

.page-about .about-chapter__body p {
  margin: 0 0 18px;
  line-height: 1.9;
  max-width: 64ch;
}

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

.page-about .about-lede {
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.9;
  max-width: 58ch;
}

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

.page-about .about-points li {
  position: relative;
  padding-left: 22px;
  line-height: 1.85;
  max-width: 62ch;
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 12px;
  height: 2px;
  background: var(--flag);
}

.page-about .about-note {
  margin-top: 26px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--flag);
  max-width: 62ch;
}

.page-about .about-note a {
  color: var(--blue);
}

/* ---------- 复核方法 ---------- */

.page-about .about-split {
  display: grid;
  gap: 28px;
  align-items: start;
}

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

.page-about .about-steps__item {
  border-left: 3px solid var(--blue);
  padding: 2px 0 4px 18px;
}

.page-about .about-steps__num {
  display: block;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--blue);
}

.page-about .about-steps__title {
  margin: 8px 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 46ch;
}

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

/* ---------- 团队卡片 ---------- */

.page-about .about-team {
  display: grid;
  gap: 18px;
  margin-top: 6px;
}

.page-about .about-team__card {
  background: var(--green-deep);
  border: 2px solid rgba(242, 244, 238, .2);
  box-shadow: var(--shadow-soft);
  padding: 22px 20px 24px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-team__card:hover,
.page-about .about-team__card:focus-within,
.page-about .about-team__card:focus {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
  border-color: var(--blue);
  outline: none;
}

.page-about .about-team__count {
  margin: 0;
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--flag);
}

.page-about .about-team__name {
  margin: 14px 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-team__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 时间轴 ---------- */

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--flag));
  opacity: .6;
}

.page-about .about-year {
  border-bottom: 1px solid rgba(242, 244, 238, .18);
}

.page-about .about-year > summary {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

.page-about .about-year > summary::-webkit-details-marker {
  display: none;
}

.page-about .about-year > summary:hover .about-year__num,
.page-about .about-year[open] > summary .about-year__num {
  color: var(--flag);
}

.page-about .about-year__num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-about .about-year__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-about .about-year__sign {
  justify-self: end;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-about .about-year[open] .about-year__sign {
  transform: rotate(-135deg);
}

.page-about .about-year__body p {
  margin: 0;
  padding-bottom: 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 56ch;
}

.page-about .about-archive {
  margin-top: 34px;
}

/* ---------- 年度报告 ---------- */

.page-about .about-report {
  display: grid;
  gap: 26px;
  margin-top: 6px;
}

.page-about .about-report__title {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--green-mid);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green-mid);
}

.page-about .about-report__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-report__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.85;
}

.page-about .about-report__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 8px;
  height: 8px;
  background: var(--blue);
}

.page-about .about-report__list--uses li::before {
  background: var(--flag);
}

/* ---------- 本地视角 ---------- */

.page-about .about-local {
  display: grid;
  gap: 28px;
}

.page-about .about-local__body h2 {
  margin: 0 0 18px;
  line-height: 1.24;
}

.page-about .about-local__body p {
  margin: 0 0 16px;
  line-height: 1.9;
  max-width: 56ch;
}

.page-about .about-local__body .btn {
  margin-top: 10px;
}

/* ---------- 收尾 ---------- */

.page-about__cta {
  padding: var(--about-space) 0;
}

.page-about .about-cta {
  max-width: 720px;
}

.page-about .about-cta h2 {
  margin: 0 0 18px;
  line-height: 1.26;
}

.page-about .about-cta p {
  margin: 0;
  line-height: 1.9;
  color: var(--muted);
  max-width: 56ch;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ---------- 焦点与动效 ---------- */

.page-about a:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__card,
  .page-about .about-year__num,
  .page-about .about-year__sign,
  .page-about .about-year > summary,
  .page-about .about-panel__link {
    transition: none;
  }

  .page-about .about-team__card:hover,
  .page-about .about-team__card:focus,
  .page-about .about-team__card:focus-within {
    transform: none;
  }
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 760px) {
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-report {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }
}

@media (min-width: 860px) {
  .page-about .about-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-about .about-timeline {
    padding-left: 36px;
  }

  .page-about .about-year > summary {
    grid-template-columns: 150px minmax(0, 1fr) 20px;
    gap: 24px;
    padding: 22px 0;
  }

  .page-about .about-year__num {
    font-size: 38px;
  }

  .page-about .about-year__body p {
    padding-left: 174px;
  }

  .page-about .about-local {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-about .about-cover {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: end;
  }

  .page-about .about-chapter {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 48px);
    row-gap: 34px;
  }

  .page-about .about-chapter__head {
    grid-column: 1 / span 4;
  }

  .page-about .about-chapter__body {
    grid-column: 5 / span 8;
  }
}
<<<END>>>