.page-about {
  --about-line: rgba(201, 211, 208, 0.24);
  --about-pad: clamp(18px, 4vw, 40px);
  --about-gap: clamp(22px, 3.4vw, 44px);
  background:
    radial-gradient(130% 70% at 50% 0%, rgba(53, 242, 208, 0.09), transparent 62%),
    var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 88px);
  overflow-x: clip;
}

.page-about a:focus-visible,
.page-about button:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* 面包屑 */
.page-about .about-crumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 30px) var(--about-pad) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-about .about-crumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-about .about-crumb a:hover,
.page-about .about-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .about-crumb .breadcrumb__item:last-child {
  color: var(--paper);
}

/* 首屏 */
.page-about .about-hero {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(24px, 4.5vw, 56px) var(--about-pad) 0;
  position: relative;
}

.page-about .about-hero__kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 clamp(16px, 3vw, 26px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(20px, 3.5vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-hero__stamp {
  display: flex;
  align-items: center;
  gap: 14px;
  order: -1;
}

.page-about .about-hero__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(54px, 12vw, 120px);
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: var(--pine);
  -webkit-text-stroke: 1.4px rgba(201, 211, 208, 0.6);
  display: block;
}

.page-about .about-hero__rot {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--silver);
  line-height: 1.7;
  border-left: 1px solid var(--about-line);
  padding-left: 14px;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.6vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.04em;
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  color: var(--paper);
}

.page-about .about-hero .lede {
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.9;
  color: var(--silver);
  max-width: 38em;
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 记分条 */
.page-about .score-strip {
  list-style: none;
  margin: clamp(26px, 4.5vw, 50px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .score-strip > li {
  background: var(--coal);
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .score-strip__num {
  font-family: var(--font-mono);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-about .score-strip__label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
  letter-spacing: 0.03em;
}

/* 章节通用 */
.page-about .about-section {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(46px, 7.5vw, 100px) var(--about-pad) 0;
}

.page-about .about-section__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--about-line);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.4vw, 14px);
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-about .about-section h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--paper);
}

.page-about .about-section__intro {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--silver);
  max-width: 40em;
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-about .about-section p {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--silver);
  margin: 0 0 1.05em;
}

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

/* 图片 */
.page-about .about-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--coal);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-about .about-figure--banner img {
  aspect-ratio: 2 / 1;
}

.page-about .about-figure figcaption {
  padding: 12px 18px 16px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--silver);
  background: var(--coal);
  border-top: 1px solid rgba(201, 211, 208, 0.12);
}

/* 起点 */
.page-about .about-origin__grid {
  display: grid;
  gap: var(--about-gap);
  grid-template-columns: minmax(0, 1fr);
}

/* 时间线 */
.page-about .about-timeline .about-figure--banner {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 242, 208, 0.2) 58%, transparent);
}

.page-about .timeline__item {
  position: relative;
  padding-left: clamp(30px, 5vw, 44px);
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 208, 0.12);
}

.page-about .timeline__card {
  background: var(--coal);
  border: 1px solid var(--edge);
  border-radius: var(--radius-md);
  padding: clamp(18px, 2.6vw, 26px);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-about .timeline__card:hover {
  border-color: var(--edge-strong);
}

.page-about .timeline__year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin: 0 0 8px;
}

.page-about .timeline__card h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 23px);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-about .timeline__card p {
  font-size: 15px;
  margin: 0;
}

.page-about .timeline__more {
  margin-top: 14px;
  border-top: 1px dashed var(--about-line);
  padding-top: 12px;
}

.page-about .timeline__more summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

.page-about .timeline__more summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(53, 242, 208, 0.45);
  font-size: 12px;
  line-height: 1;
}

.page-about .timeline__more[open] summary::before {
  content: "−";
}

.page-about .timeline__more p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

/* 协作 */
.page-about .about-craft__grid {
  display: grid;
  gap: var(--about-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-roles {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-roles li {
  background: rgba(18, 54, 43, 0.62);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px;
  display: grid;
  gap: 4px;
}

.page-about .about-roles strong {
  font-family: var(--font-display);
  font-size: 15.5px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-roles span {
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-craft__note {
  background: var(--paper);
  color: var(--ink-text);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.85;
}

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

/* 标签页 */
.page-about .about-tabs {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-about .about-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-tabs .tab-button {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--edge-strong);
  background: transparent;
  color: var(--silver);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-about .about-tabs .tab-button:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-about .about-tabs .tab-button.is-on,
.page-about .about-tabs .tab-button[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-about .about-tabs .tab-panel {
  border-radius: var(--radius-md);
  border: 1px solid var(--edge);
  background: var(--coal);
  padding: clamp(18px, 2.8vw, 28px);
  font-size: 15px;
  line-height: 1.9;
  color: var(--silver);
}

.page-about .about-tabs .tab-panel:not(:first-of-type) {
  margin-top: 14px;
}

.page-about .about-tabs .tab-panel p:last-child {
  margin-bottom: 0;
}

.page-about .about-chips .tab-button {
  background: rgba(18, 54, 43, 0.5);
  border-color: var(--edge);
}

/* 荣誉 */
.page-about .about-honor {
  margin-top: clamp(20px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-md);
  border: 1px solid var(--edge);
  background:
    linear-gradient(135deg, rgba(53, 242, 208, 0.14), transparent 68%),
    var(--pine);
}

.page-about .about-honor__tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: var(--pill);
  padding: 6px 14px;
  line-height: 1.2;
}

.page-about .about-honor h3 {
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-honor p {
  font-size: 14.5px;
  line-height: 1.85;
  margin: 0;
  color: var(--silver);
  max-width: 46em;
}

/* 贵州 */
.page-about .about-guizhou__grid {
  display: grid;
  gap: var(--about-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-guizhou__art {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(5, 10, 9, 0.95), rgba(18, 54, 43, 0.55));
  padding: clamp(14px, 2vw, 20px);
}

.page-about .about-guizhou__art svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--cyan);
}

.page-about .about-guizhou__art figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--silver);
}

/* 下一步 */
.page-about .about-next__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
  background: var(--coal);
  border: 1px solid var(--edge);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  text-decoration: none;
  color: var(--paper);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-about .about-next__card:hover,
.page-about .about-next__card:focus-visible {
  background: var(--pine);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-about .about-next__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-about .about-next__title {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px);
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-about .about-next__arrow {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

/* 断点 */
@media (min-width: 720px) {
  .page-about .score-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 168px;
    align-items: start;
  }

  .page-about .about-hero__stamp {
    order: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    border-left: 1px solid var(--about-line);
    padding-left: 20px;
    text-align: left;
  }

  .page-about .about-hero__rot {
    border-left: 0;
    padding-left: 0;
    writing-mode: vertical-rl;
    letter-spacing: 0.28em;
    line-height: 1.4;
  }

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

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

  .page-about .about-guizhou__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-about .about-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-next__card,
  .page-about .timeline__card,
  .page-about .about-tabs .tab-button {
    transition: none;
  }

  .page-about .about-next__card:hover,
  .page-about .about-next__card:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>