.page-about {
  --about-gap: clamp(16px, 2.4vw, 28px);
  --about-soft: rgba(40, 240, 200, 0.14);
}

.page-about .about-crumb {
  padding-top: clamp(14px, 2.2vw, 24px);
}

/* ========== 首屏 ========== */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 48px) clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--ho-line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ho-grid-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--ho-grid-faint) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 55%, transparent 100%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -44%;
  right: -20%;
  width: min(600px, 76vw);
  height: min(600px, 76vw);
  background: radial-gradient(circle at 50% 50%, var(--about-soft), transparent 66%);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-about .about-hero h1 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--ho-font-head);
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ho-text);
}

.page-about .about-hero .ho-lede {
  margin-top: 16px;
  max-width: 58ch;
  color: var(--ho-text);
}

.page-about .about-hero-note {
  margin: 16px 0 0;
  max-width: 52ch;
  padding-left: 12px;
  border-left: 2px solid var(--ho-amber);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ho-muted);
}

.page-about .about-jump {
  margin-top: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-jump a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--ho-line);
  background: rgba(12, 42, 32, 0.62);
  color: var(--ho-text);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-about .about-jump a .ho-num {
  font-size: 11px;
  color: var(--ho-cyan);
}

.page-about .about-jump a:hover,
.page-about .about-jump a:focus-visible {
  border-color: var(--ho-cyan);
  color: var(--ho-cyan-soft);
  transform: translateY(-1px);
}

/* 品牌速览面板 */
.page-about .about-facts {
  padding: 0;
  overflow: hidden;
}

.page-about .about-facts-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 13px 18px;
  border-bottom: 1px solid var(--ho-line);
  background: linear-gradient(115deg, rgba(40, 240, 200, 0.16), rgba(255, 176, 32, 0.06));
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ho-cyan-soft);
  text-transform: uppercase;
}

.page-about .about-facts-head .ho-num {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ho-amber);
  text-transform: none;
}

.page-about .about-facts-list {
  margin: 0;
  padding: 4px 18px 12px;
}

.page-about .about-fact {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--ho-grid);
}

.page-about .about-fact:last-child {
  border-bottom: 0;
}

.page-about .about-fact dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ho-muted);
}

.page-about .about-fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ho-text);
}

.page-about .about-fact dd strong {
  font-weight: 700;
  color: var(--ho-cyan);
}

.page-about .about-fact dd .ho-num {
  color: var(--ho-text);
}

/* ========== 章节通用 ========== */
.page-about .ho-section[id] {
  scroll-margin-top: 120px;
}

.page-about .about-lead {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: clamp(16.5px, 1.9vw, 19px);
  line-height: 1.75;
  color: var(--ho-text);
}

.page-about .about-body {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ho-muted);
}

.page-about .about-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--ho-line);
  background: var(--ho-line);
}

.page-about .about-points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 14px 16px;
  background: var(--ho-panel);
  font-size: 15px;
  line-height: 1.72;
  color: var(--ho-muted);
}

.page-about .about-points li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 9px;
  background: var(--ho-cyan);
}

.page-about .about-points b {
  font-weight: 700;
  color: var(--ho-text);
}

/* ========== 媒体 ========== */
.page-about .about-media-row {
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-about .about-media-row img,
.page-about .about-media-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ========== 版本时间线 ========== */
.page-about .about-timeline-wrap {
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-about .about-timeline-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ho-line);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ho-muted);
  text-transform: uppercase;
}

.page-about .about-timeline-head .ho-num {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ho-amber);
  text-transform: none;
}

.page-about .about-timeline {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}

.page-about .about-timeline::-webkit-scrollbar {
  height: 5px;
}

.page-about .about-timeline::-webkit-scrollbar-thumb {
  background: var(--ho-turf);
}

.page-about .about-node {
  position: relative;
  flex: 0 0 min(292px, 80vw);
  scroll-snap-align: start;
  padding: 30px 22px 24px;
  border-top: 1px solid var(--ho-line);
  border-right: 1px solid var(--ho-line);
  background: linear-gradient(180deg, rgba(40, 240, 200, 0.07), rgba(12, 42, 32, 0.4) 44%, transparent 100%);
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-about .about-node:last-child {
  border-right: 0;
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 22px;
  width: 9px;
  height: 9px;
  background: var(--ho-turf);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

.page-about .about-node:hover,
.page-about .about-node:focus-within {
  border-color: rgba(40, 240, 200, 0.42);
  background: linear-gradient(180deg, rgba(40, 240, 200, 0.16), rgba(12, 42, 32, 0.55) 46%, transparent 100%);
  transform: translateY(-4px);
}

.page-about .about-node:hover::before,
.page-about .about-node:focus-within::before {
  background: var(--ho-cyan);
  box-shadow: 0 0 0 5px rgba(40, 240, 200, 0.14);
}

.page-about .about-node-ver {
  margin: 0;
  font-family: var(--ho-font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ho-amber);
}

.page-about .about-node.is-current .about-node-ver {
  color: var(--ho-cyan);
}

.page-about .about-node-tag {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ho-muted);
}

.page-about .about-node h3 {
  margin: 10px 0 0;
  font-family: var(--ho-font-head);
  font-size: 18px;
  line-height: 1.4;
  color: var(--ho-text);
}

.page-about .about-node p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ho-muted);
}

.page-about .about-node h3 + p {
  margin-top: 10px;
}

/* ========== 团队 ========== */
.page-about .about-team-grid {
  margin-top: clamp(22px, 3.2vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-team-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--ho-line);
  background: var(--ho-panel);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-about .about-team-card:hover,
.page-about .about-team-card:focus-within {
  border-color: rgba(40, 240, 200, 0.45);
  background: #0E3126;
  transform: translateY(-4px);
}

.page-about .about-team-idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ho-cyan);
}

.page-about .about-team-card h3 {
  margin: 10px 0 0;
  font-family: var(--ho-font-head);
  font-size: 18px;
  color: var(--ho-text);
}

.page-about .about-team-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ho-muted);
}

/* ========== 多联赛订阅 ========== */
.page-about .about-split {
  margin-top: clamp(22px, 3.2vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-about .about-split-media {
  order: -1;
}

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

.page-about .about-split-body .about-lead {
  margin-top: 0;
}

/* ========== 场景 ========== */
.page-about .about-scenes {
  margin-top: clamp(22px, 3.2vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-scene {
  padding: 22px 20px 20px;
  border: 1px solid var(--ho-line);
  border-top: 2px solid var(--ho-cyan);
  background: var(--ho-panel);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-about .about-scene:nth-child(2) {
  border-top-color: var(--ho-amber);
}

.page-about .about-scene:nth-child(3) {
  border-top-color: var(--ho-score);
}

.page-about .about-scene:hover,
.page-about .about-scene:focus-within {
  transform: translateY(-4px);
  border-color: rgba(40, 240, 200, 0.4);
}

.page-about .about-scene-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ho-muted);
}

.page-about .about-scene h3 {
  margin: 10px 0 0;
  font-family: var(--ho-font-head);
  font-size: 18px;
  line-height: 1.42;
  color: var(--ho-text);
}

.page-about .about-scene p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ho-muted);
}

/* ========== 长期维护 ========== */
.page-about .about-maintain {
  margin-top: clamp(22px, 3.2vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--ho-line);
  background: var(--ho-line);
}

.page-about .about-maintain-item {
  padding: 20px;
  background: var(--ho-panel);
  transition: background 0.2s ease;
}

.page-about .about-maintain-item:hover {
  background: #0E3126;
}

.page-about .about-maintain-item h3 {
  margin: 0;
  font-family: var(--ho-font-head);
  font-size: 16px;
  color: var(--ho-cyan-soft);
}

.page-about .about-maintain-item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ho-muted);
}

/* ========== 收尾 ========== */
.page-about .about-cta {
  margin-top: clamp(26px, 3.6vw, 40px);
  padding: clamp(22px, 3.4vw, 36px);
  display: grid;
  gap: 20px;
  border: 1px solid rgba(40, 240, 200, 0.32);
  background: linear-gradient(115deg, rgba(40, 240, 200, 0.14), rgba(255, 90, 42, 0.07) 58%, transparent);
}

.page-about .about-cta-title {
  margin: 0;
  font-family: var(--ho-font-head);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ho-text);
}

.page-about .about-cta-text p {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ho-muted);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cta-actions .ho-btn {
  flex: 0 1 auto;
}

/* ========== 焦点与动效 ========== */
.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--ho-cyan);
  outline-offset: 3px;
}

/* ========== 响应式 ========== */
@media (min-width: 640px) {
  .page-about .about-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-about .about-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-about .about-maintain {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-about .about-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-about .about-split-media {
    order: 0;
  }

  .page-about .about-node {
    flex: 1 1 0;
    min-width: 0;
  }

  .page-about .about-timeline {
    overflow-x: visible;
  }
}

@media (min-width: 1080px) {
  .page-about .about-team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-jump a,
  .page-about .about-node,
  .page-about .about-node::before,
  .page-about .about-team-card,
  .page-about .about-scene {
    transition: none;
  }

  .page-about .about-jump a:hover,
  .page-about .about-node:hover,
  .page-about .about-team-card:hover,
  .page-about .about-scene:hover {
    transform: none;
  }
}