/* ===== 品牌团队页 · page-about ===== */
.page-about {
  --about-cut: 18px;
  --about-line: rgba(12, 43, 37, .12);
  --about-line-light: rgba(246, 247, 242, .16);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-about .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-about .angled {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-cut)), calc(100% - var(--about-cut)) 100%, 0 100%);
  overflow: hidden;
  background: var(--green-2);
}

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

/* ---------- 面包屑（深色底上的处理） ---------- */
.page-about .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 34px);
  padding: 0;
  font-size: 13px;
  letter-spacing: .08em;
}

.page-about .breadcrumb-item {
  display: inline-flex;
  align-items: center;
}

.page-about .breadcrumb-item + .breadcrumb-item::before {
  content: "／";
  margin-right: 6px;
  color: rgba(246, 247, 242, .42);
}

.page-about .breadcrumb-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .breadcrumb-link:hover,
.page-about .breadcrumb-link:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

.page-about .breadcrumb-current {
  color: var(--yellow);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(96px, 12vw, 152px) 0 0;
  background:
    radial-gradient(120% 92% at 88% -12%, rgba(127, 216, 234, .20), rgba(12, 43, 37, 0) 58%),
    var(--green);
  color: var(--paper);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: clamp(78px, 10vw, 132px);
  right: -9%;
  width: min(48vw, 540px);
  height: 230px;
  background: repeating-linear-gradient(112deg, rgba(255, 210, 38, .22) 0 2px, transparent 2px 18px);
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-about .about-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-about .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-about .hero-title {
  margin: 0;
  font-size: clamp(31px, 6.2vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .hero-side {
  border-left: 2px solid var(--yellow);
  padding-left: clamp(16px, 2.2vw, 26px);
}

.page-about .hero-lead {
  margin: 0 0 12px;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: rgba(246, 247, 242, .87);
}

.page-about .hero-lead:last-of-type {
  margin-bottom: 0;
}

.page-about .hero-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 0;
}

.page-about .hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  border-left: 2px solid rgba(255, 210, 38, .55);
  padding-left: 11px;
}

.page-about .hero-stat-num {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--yellow);
}

.page-about .hero-stat-label {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(246, 247, 242, .72);
}

/* ---------- 年份坐标条 ---------- */
.page-about .year-rail-bar {
  position: relative;
  z-index: 1;
  margin-top: clamp(36px, 5.6vw, 64px);
  border-top: 1px solid var(--about-line-light);
  padding: 18px 0 clamp(24px, 3.4vw, 36px);
}

.page-about .year-rail-label {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--ice);
}

.page-about .year-rail {
  list-style: none;
  margin: 0;
  padding: 4px 2px 8px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(186px, 1fr);
  gap: 10px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-about .year-stop {
  min-width: 0;
}

.page-about .year-stop-link {
  display: flex;
  flex-direction: column;
  gap: 5px;
  height: 100%;
  padding: 15px 16px 18px;
  text-decoration: none;
  color: inherit;
  background: rgba(10, 14, 13, .30);
  border: 1px solid var(--about-line-light);
  border-left: 3px solid rgba(246, 247, 242, .28);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}

.page-about .year-stop-link:hover,
.page-about .year-stop-link:focus-visible {
  border-color: var(--yellow);
  border-left-color: var(--yellow);
  background: rgba(255, 210, 38, .10);
  transform: translateY(-2px);
}

.page-about .year-num {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
  letter-spacing: .02em;
}

.page-about .year-tag {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--paper);
}

.page-about .year-desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(246, 247, 242, .68);
}

/* ---------- 章节通用 ---------- */
.page-about .about-section {
  padding: clamp(46px, 7.5vw, 96px) 0;
  scroll-margin-top: 96px;
}

.page-about .about-section--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-section--ice {
  background: var(--ice-2);
  color: var(--ink);
}

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

.page-about .about-section--deep {
  background: var(--green-2);
  color: var(--paper);
}

.page-about .about-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px clamp(14px, 2.4vw, 26px);
  align-items: start;
  max-width: 800px;
  margin-bottom: clamp(28px, 4.2vw, 50px);
}

.page-about .about-coord {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 32px;
  padding: 0 10px;
  background: var(--yellow);
  color: var(--green);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .05em;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 100%, 0 100%);
}

.page-about .about-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-about .about-title {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--green);
}

.page-about .about-section--green .about-title,
.page-about .about-section--deep .about-title {
  color: var(--paper);
}

.page-about .about-section--green .about-kicker,
.page-about .about-section--deep .about-kicker {
  color: var(--ice);
}

.page-about .media-caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink);
}

.page-about .about-section--green .media-caption,
.page-about .about-section--deep .media-caption {
  color: rgba(246, 247, 242, .66);
}

/* ---------- 01 内容链路 ---------- */
.page-about .flow-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-about .flow-figure {
  margin: 0;
}

.page-about .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--about-line);
}

.page-about .flow-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-bottom: 1px solid var(--about-line);
  transition: padding-left .25s var(--ease);
}

.page-about .flow-no {
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .06em;
  padding-top: 4px;
}

.page-about .flow-name {
  margin: 0 0 6px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--green);
}

.page-about .flow-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 02 团队分工 ---------- */
.page-about .team-media {
  margin: 0 0 clamp(28px, 4vw, 46px);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
  align-items: start;
}

.page-about .team-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px) clamp(18px, 2.4vw, 26px);
  background: var(--green-2);
  border: 1px solid rgba(246, 247, 242, .14);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--yellow);
  background: rgba(23, 67, 58, .92);
  transform: translateY(-2px);
}

.page-about .team-no {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--yellow);
  margin-bottom: 12px;
}

.page-about .team-name {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.1vw, 21px);
  font-weight: 900;
  color: var(--paper);
}

.page-about .team-text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(246, 247, 242, .80);
}

.page-about .team-more summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--ice);
  padding-bottom: 3px;
  border-bottom: 1px dashed rgba(127, 216, 234, .55);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .team-more summary::-webkit-details-marker {
  display: none;
}

.page-about .team-more summary:hover,
.page-about .team-more summary:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

.page-about .team-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-about .team-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(246, 247, 242, .74);
}

.page-about .team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

/* ---------- 03 运营历程 ---------- */
.page-about .stage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
}

.page-about .stage-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 28px);
  background: var(--paper);
  border-left: 4px solid var(--yellow);
  scroll-margin-top: 110px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-about .stage-item:hover {
  transform: translateX(3px);
}

.page-about .stage-year {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--green);
  letter-spacing: .02em;
}

.page-about .stage-name {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 900;
  line-height: 1.32;
  color: var(--green);
}

.page-about .stage-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 04 复盘图表 ---------- */
.page-about .charts-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-about .charts-lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--ink);
}

.page-about .charts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-about .charts-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
}

.page-about .charts-mark {
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  background: var(--ice);
  border: 3px solid var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-about .charts-name {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 900;
  color: var(--green);
}

.page-about .charts-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-about .charts-figure {
  margin: 0;
}

/* ---------- 05 更新节奏 ---------- */
.page-about .schedule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--about-line-light);
}

.page-about .schedule-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--about-line-light);
  transition: background .25s var(--ease);
}

.page-about .schedule-when {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--yellow);
}

.page-about .schedule-name {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 900;
  color: var(--paper);
}

.page-about .schedule-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(246, 247, 242, .78);
}

/* ---------- 06 读者反馈 ---------- */
.page-about .about-section--last {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-about .feedback-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .feedback-text {
  margin: 0 0 14px;
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.82;
  color: var(--ink);
}

.page-about .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-about .feedback-aside {
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--ice-2);
  border-left: 4px solid var(--green);
}

.page-about .feedback-aside-title {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--green);
}

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

.page-about .feedback-link {
  display: block;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--green);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(12, 43, 37, .18);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .feedback-link:hover,
.page-about .feedback-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .stage-item {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 34px);
    align-items: baseline;
  }

  .page-about .schedule-row {
    grid-template-columns: 178px minmax(0, 1fr);
    gap: clamp(16px, 2.6vw, 32px);
    align-items: baseline;
  }

  .page-about .schedule-row:hover {
    background: rgba(255, 210, 38, .05);
  }

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

@media (min-width: 900px) {
  .page-about .hero-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-about .flow-layout {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  }

  .page-about .flow-figure {
    position: sticky;
    top: 108px;
  }

  .page-about .charts-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-about .feedback-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

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

  .page-about .team-card:nth-child(2) {
    margin-top: 34px;
  }

  .page-about .team-card:nth-child(3) {
    margin-top: 68px;
  }

  .page-about .team-media {
    margin-bottom: clamp(34px, 4vw, 56px);
  }
}
<<<END>>>