.page-about {
  --about-panel: rgba(7, 26, 22, 0.72);
  --about-line: rgba(216, 168, 78, 0.22);
  background: var(--ink);
  color: var(--porcelain);
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-sans);
  font-weight: 900;
  color: var(--porcelain);
}

.page-about h2 {
  font-size: clamp(1.45rem, 4vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 8px 0 12px;
}

.page-about h3 {
  font-size: 1.02rem;
  line-height: 1.4;
  margin: 0 0 8px;
}

.page-about .section {
  padding: 40px 0;
}

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

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 32px;
  background: linear-gradient(152deg, var(--ink-deep) 0%, var(--ink) 62%, #0d2f27 100%);
  border-bottom: 2px solid var(--line-amber);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -55%;
  width: 58%;
  height: 165%;
  background: linear-gradient(180deg, rgba(216, 168, 78, 0.14), rgba(216, 168, 78, 0));
  clip-path: polygon(42% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-about .breadcrumb {
  margin-bottom: 16px;
}

.page-about .about-hero-copy h1 {
  font-size: clamp(1.95rem, 7.4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 10px 0 18px;
}

.page-about .about-hero-copy h1 em {
  display: block;
  font-style: normal;
  color: var(--amber-light);
}

.page-about .about-lede {
  max-width: 58ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .rank-glyph {
  display: grid;
  gap: 7px;
  align-content: end;
  padding-bottom: 6px;
}

.page-about .rank-glyph span {
  height: 12px;
  background: rgba(216, 168, 78, 0.16);
  border-left: 3px solid var(--line-amber-strong);
}

.page-about .rank-glyph span:nth-child(1) { width: 32%; }
.page-about .rank-glyph span:nth-child(2) { width: 40%; }
.page-about .rank-glyph span:nth-child(3) { width: 48%; }
.page-about .rank-glyph span:nth-child(4) { width: 57%; }
.page-about .rank-glyph span:nth-child(5) { width: 65%; }
.page-about .rank-glyph span:nth-child(6) { width: 74%; }
.page-about .rank-glyph span:nth-child(7) { width: 83%; }
.page-about .rank-glyph span:nth-child(8) { width: 92%; }
.page-about .rank-glyph span:nth-child(9) {
  width: 100%;
  background: var(--amber);
  box-shadow: 3px 3px 0 rgba(7, 26, 22, 0.6);
}

.page-about .about-figures {
  position: relative;
  z-index: 1;
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--line-amber);
}

/* ---------- 品牌历程 ---------- */
.page-about .section-head {
  max-width: 780px;
  margin-bottom: 30px;
}

.page-about .section-head p {
  margin: 0;
  max-width: 66ch;
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--text-dim);
}

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

.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 4px solid var(--line-amber-strong);
  display: grid;
  gap: 22px;
}

.page-about .timeline-item {
  position: relative;
}

.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--amber);
  border: 2px solid var(--ink-deep);
  transform: rotate(45deg);
}

.page-about .timeline-year {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  background: rgba(216, 168, 78, 0.12);
  border: 1px solid var(--line-amber);
  padding: 2px 8px;
  margin-bottom: 8px;
}

.page-about .timeline-title {
  font-size: 1rem;
  margin: 0 0 6px;
}

.page-about .timeline-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-about .media-frame {
  border: 2px solid var(--line-amber);
  background: var(--ink-deep);
  box-shadow: var(--shadow-hard-sm);
  margin: 0;
}

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

.page-about .media-frame figcaption {
  padding: 10px 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--line-amber);
}

/* ---------- 主体双栏 ---------- */
.page-about .about-layout {
  gap: 26px;
}

.page-about .about-main {
  display: grid;
  gap: 26px;
  min-width: 0;
}

.page-about .about-block {
  padding: 22px 18px 24px;
  border: 2px solid var(--line-amber);
  background: linear-gradient(180deg, rgba(7, 26, 22, 0.92), rgba(11, 38, 32, 0.7));
  box-shadow: var(--shadow-hard-sm);
  min-width: 0;
}

.page-about .block-head {
  margin-bottom: 20px;
}

.page-about .block-head p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 段位侧栏 ---------- */
.page-about .rank-panel {
  padding: 18px 16px 14px;
  border: 2px solid var(--line-amber);
  background: var(--about-panel);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .rank-panel .panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line-amber-strong);
}

.page-about .rank-panel .panel-title {
  font-size: 1.02rem;
  letter-spacing: 0.05em;
  margin: 0;
  color: var(--porcelain);
}

.page-about .rank-panel .panel-meta {
  font-size: 0.76rem;
  color: var(--amber);
}

.page-about .rank-hint {
  margin: 12px 0 4px;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-about .rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .rank-summary {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 2px;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid rgba(216, 168, 78, 0.16);
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-about .rank-summary:hover {
  background: rgba(216, 168, 78, 0.08);
  border-bottom-color: var(--amber);
}

.page-about .rank-index {
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-about .rank-name {
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-about .rank-note {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.page-about .rank-item[open] .rank-name {
  color: var(--amber-light);
}

.page-about .rank-item[open] .rank-summary {
  border-bottom-color: var(--amber);
}

.page-about .rank-body p {
  margin: 8px 2px 14px;
  padding-left: 10px;
  border-left: 2px solid var(--line-amber-strong);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 固定玩法 ---------- */
.page-about .format-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .format-card {
  display: flex;
  flex-direction: column;
  padding: 16px 16px 18px;
  border: 1px solid var(--line-amber);
  border-top: 3px solid var(--amber);
  background: rgba(11, 38, 32, 0.66);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-about .format-card:hover,
.page-about .format-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-amber-strong);
  background: rgba(11, 38, 32, 0.96);
}

.page-about .format-index {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--celadon);
  margin-bottom: 8px;
}

.page-about .format-name {
  font-size: 1rem;
  margin: 0 0 10px;
}

.page-about .format-rank {
  margin: 0 0 6px;
  font-size: 0.86rem;
  color: var(--text-dim);
}

.page-about .format-rank strong {
  font-size: 1.15rem;
  color: var(--amber-light);
  margin-right: 4px;
}

.page-about .format-extra {
  margin: 0 0 10px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--celadon);
}

.page-about .format-room {
  margin: auto 0 0;
  padding-top: 8px;
  border-top: 1px dashed rgba(216, 168, 78, 0.28);
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--text-dim);
  opacity: 0.6;
  transition: opacity 0.18s var(--ease), color 0.18s var(--ease);
}

.page-about .format-card:hover .format-room,
.page-about .format-card:focus-within .format-room {
  opacity: 1;
  color: var(--amber-light);
}

/* ---------- 房间分层 ---------- */
.page-about .room-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .room-item {
  padding: 14px 15px 15px;
  border-left: 3px solid var(--line-amber-strong);
  background: rgba(11, 38, 32, 0.5);
}

.page-about .room-rule {
  margin: 8px 0 6px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--amber-light);
}

.page-about .room-desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-about .tag--amber {
  background: rgba(216, 168, 78, 0.16);
  color: var(--amber-light);
  border: 1px solid var(--line-amber-strong);
}

.page-about .badge-split {
  display: grid;
  gap: 20px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line-amber);
}

.page-about .badge-copy h3 {
  margin-bottom: 10px;
}

.page-about .badge-copy p {
  margin: 0 0 12px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-about .about-badges {
  max-width: 340px;
  width: 100%;
  margin: 0 auto;
}

.page-about .inline-link {
  display: inline-block;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--line-amber-strong);
  padding-bottom: 1px;
  font-size: 0.88rem;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .inline-link:hover,
.page-about .inline-link:focus-visible {
  color: var(--amber-light);
  border-bottom-color: var(--amber-light);
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 22px;
}

.page-about .team-copy p {
  margin: 0 0 14px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-about .team-stats {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .team-stats li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(216, 168, 78, 0.1);
  border: 1px solid var(--line-amber);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.page-about .team-stats .mono {
  font-size: 1.1rem;
  color: var(--amber-light);
}

/* ---------- 记分牌 ---------- */
.page-about .scoreboard {
  display: grid;
  gap: 2px;
  background: var(--line-amber);
  border: 2px solid var(--line-amber);
}

.page-about .score-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 14px;
  background: var(--ink-deep);
  transition: background-color 0.18s var(--ease);
}

.page-about .score-row:hover {
  background: rgba(11, 38, 32, 0.95);
}

.page-about .score-num {
  font-size: 1.15rem;
  color: var(--amber);
  line-height: 1.2;
}

.page-about .score-body h3 {
  font-size: 0.98rem;
  margin: 0 0 6px;
}

.page-about .score-body p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-about .value-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--cinnabar);
  background: rgba(181, 70, 51, 0.1);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--warm-gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .format-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .room-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .score-row {
    grid-template-columns: 56px minmax(0, 1fr);
    padding: 18px 20px;
  }
}

@media (min-width: 760px) {
  .page-about .section {
    padding: 56px 0;
  }
  .page-about .about-hero {
    padding: 52px 0 44px;
  }
  .page-about .about-block {
    padding: 28px 26px 30px;
  }
  .page-about .badge-split {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: center;
  }
  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: end;
  }
  .page-about .history-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 40px;
  }
  .page-about .about-main {
    gap: 30px;
  }
}

@media (min-width: 1024px) {
  .page-about .format-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 861px) {
  .page-about .about-layout {
    grid-template-columns: 288px minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }
  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    align-self: start;
  }
}
<<<END>>>