.page-about {
  background: var(--night-indigo);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs {
  padding-top: clamp(1.1rem, 3vw, 1.9rem);
}
.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.page-about .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--neon-purple);
}
.page-about .breadcrumb a {
  color: var(--ink-muted);
  text-decoration: none;
}
.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--laser-pink);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-block: clamp(2rem, 5vw, 3.4rem) clamp(2.75rem, 7vw, 5rem);
}
.page-about .about-hero-inner {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-hero h1 {
  margin: 0 0 1.2rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7.4vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-about .about-hero h1 em {
  font-style: normal;
  font-weight: 200;
  color: var(--electric-blue);
  text-shadow: 0 0 26px rgba(53, 196, 240, 0.45);
}
.page-about .about-lede {
  max-width: 34em;
  margin: 0 0 1.7rem;
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  line-height: 1.78;
  color: var(--ink-muted);
}
.page-about .about-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 2rem;
}

.page-about .about-quick {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid rgba(168, 85, 247, 0.24);
  border-radius: var(--radius-sm);
  background: rgba(168, 85, 247, 0.24);
  overflow: hidden;
}
.page-about .about-quick > div {
  background: var(--card-purple);
  padding: 0.85rem 1rem;
}
.page-about .about-quick dt {
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.page-about .about-quick dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.16rem;
  color: var(--gold);
}

/* 首屏视觉 */
.page-about .about-hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 1.1rem;
  min-height: 268px;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid rgba(168, 85, 247, 0.32);
  border-radius: var(--radius);
  background:
    radial-gradient(62% 56% at 78% 18%, rgba(255, 79, 216, 0.3), transparent 70%),
    radial-gradient(56% 52% at 16% 82%, rgba(53, 196, 240, 0.24), transparent 72%),
    linear-gradient(155deg, var(--card-purple), var(--night-indigo));
  overflow: hidden;
}
.page-about .about-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(243, 238, 255, 0.05) 0 1px,
    transparent 1px 4px
  );
}
.page-about .about-hero-tag {
  position: absolute;
  top: 1rem;
  left: 1.15rem;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--laser-pink);
}
.page-about .about-pixel {
  position: absolute;
  top: 1.05rem;
  right: 1.15rem;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--gold);
  box-shadow:
    16px 0 0 rgba(168, 85, 247, 0.85),
    32px 0 0 rgba(53, 196, 240, 0.85);
  animation: about-pixel-bob 1.5s ease-in-out infinite;
}
@keyframes about-pixel-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}
.page-about .about-stairs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
}
.page-about .about-stairs i {
  display: block;
  height: 14px;
  border-radius: 3px;
  background: rgba(183, 170, 217, 0.26);
}
.page-about .about-stairs i:nth-child(1) { width: 30%; background: rgba(183, 170, 217, 0.3); }
.page-about .about-stairs i:nth-child(2) { width: 40%; background: rgba(201, 123, 74, 0.55); }
.page-about .about-stairs i:nth-child(3) { width: 50%; background: rgba(169, 183, 198, 0.6); }
.page-about .about-stairs i:nth-child(4) { width: 62%; background: rgba(224, 179, 74, 0.6); }
.page-about .about-stairs i:nth-child(5) { width: 74%; background: rgba(127, 212, 232, 0.65); }
.page-about .about-stairs i:nth-child(6) { width: 86%; background: rgba(168, 85, 247, 0.75); }
.page-about .about-stairs i:nth-child(7) {
  width: 100%;
  background: linear-gradient(90deg, var(--neon-purple), var(--gold));
  box-shadow: 0 0 18px rgba(255, 198, 77, 0.5);
}
.page-about .about-hero-visual-note {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

/* ---------- 章节导航 ---------- */
.page-about .about-toc {
  padding-block: 0.85rem;
  border-block: 1px solid rgba(168, 85, 247, 0.22);
  background: linear-gradient(90deg, rgba(36, 21, 70, 0.72), rgba(6, 34, 43, 0.6));
}
.page-about .about-toc-inner {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-about .about-toc-inner::-webkit-scrollbar {
  display: none;
}
.page-about .about-toc-inner a {
  flex: 0 0 auto;
  padding: 0.42rem 0.9rem;
  border: 1px solid rgba(183, 170, 217, 0.26);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.page-about .about-toc-inner a:hover,
.page-about .about-toc-inner a:focus-visible,
.page-about .about-toc-inner a.is-active {
  color: var(--ink);
  border-color: var(--neon-purple);
  background: rgba(168, 85, 247, 0.2);
  box-shadow: 0 0 14px rgba(168, 85, 247, 0.3);
}

/* ---------- 通用区块 ---------- */
.page-about .about-section {
  position: relative;
  padding-block: clamp(3.25rem, 8vw, 6rem);
}
.page-about .about-band--teal {
  background: var(--deep-teal);
  clip-path: polygon(0 3vw, 100% 0, 100% 100%, 0 100%);
  padding-top: calc(clamp(3.25rem, 8vw, 6rem) + 3vw);
}
.page-about .about-band--wine {
  background: var(--wine);
  clip-path: polygon(0 0, 100% 3vw, 100% 100%, 0 100%);
  padding-top: calc(clamp(3.25rem, 8vw, 6rem) + 1.5vw);
}
.page-about .about-band--timeline {
  background: linear-gradient(170deg, var(--deep-teal), var(--night-indigo) 78%);
  clip-path: polygon(0 2.5vw, 100% 0, 100% 100%, 0 100%);
  padding-top: calc(clamp(3.25rem, 8vw, 6rem) + 2.5vw);
  overflow: hidden;
}
.page-about .about-band--cta {
  background:
    radial-gradient(70% 100% at 12% 0%, rgba(168, 85, 247, 0.28), transparent 68%),
    radial-gradient(60% 100% at 92% 100%, rgba(53, 196, 240, 0.2), transparent 70%),
    var(--card-purple);
}

.page-about .about-grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-sec-head {
  max-width: 44rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
}
.page-about .about-section h2 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.4vw, 2.85rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.page-about .about-sub {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--ink-muted);
}

.page-about .prose p {
  margin: 0 0 1rem;
  font-size: 0.99rem;
  line-height: 1.8;
  color: var(--ink-muted);
}
.page-about .prose p:last-child {
  margin-bottom: 0;
}
.page-about .prose a,
.page-about .about-sync a,
.page-about .about-step-body a {
  color: var(--electric-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .prose a:hover,
.page-about .prose a:focus-visible,
.page-about .about-sync a:hover,
.page-about .about-sync a:focus-visible,
.page-about .about-step-body a:hover,
.page-about .about-step-body a:focus-visible {
  color: var(--laser-pink);
}

/* 卡片 */
.page-about .card {
  border: 1px solid rgba(168, 85, 247, 0.24);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--card-purple), rgba(21, 11, 46, 0.9));
  padding: clamp(1.15rem, 2.6vw, 1.65rem);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.page-about .card:hover {
  transform: translateY(-2px);
  border-color: rgba(168, 85, 247, 0.52);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.22);
}
.page-about .card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--ink);
}
.page-about .card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-muted);
}

/* 品牌起点 */
.page-about .about-pillars {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-pillar-num {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--laser-pink);
}
.page-about .about-pillar--wide {
  background: linear-gradient(120deg, rgba(58, 16, 36, 0.85), rgba(36, 21, 70, 0.95));
  border-color: rgba(255, 198, 77, 0.32);
}

/* ---------- 场地分区 ---------- */
.page-about .about-zones-media {
  margin: 0 0 clamp(1.5rem, 4vw, 2.4rem);
}
.page-about .media img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-about .about-zones-media img {
  border-radius: var(--radius);
  border: 1px solid rgba(53, 196, 240, 0.3);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.45);
}
.page-about .media-caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--ink-muted);
}

.page-about .about-zone-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-zone {
  padding: clamp(1.2rem, 3vw, 1.85rem);
  border-radius: 26px 8px 26px 8px;
  border: 1px solid rgba(183, 170, 217, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.page-about .about-zone:hover {
  transform: scale(1.02);
  border-color: rgba(255, 79, 216, 0.5);
  box-shadow: 0 12px 34px rgba(255, 79, 216, 0.2);
}
.page-about .about-zone h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--ink);
}
.page-about .about-zone p {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(243, 238, 255, 0.82);
}
.page-about .about-zone--a {
  background: linear-gradient(140deg, rgba(53, 196, 240, 0.3), rgba(36, 21, 70, 0.92));
  border-radius: 8px 30px 8px 30px;
}
.page-about .about-zone--b {
  background: linear-gradient(140deg, rgba(168, 85, 247, 0.3), rgba(21, 11, 46, 0.94));
  border-radius: 30px 30px 30px 6px;
}
.page-about .about-zone--c {
  background: linear-gradient(140deg, rgba(255, 79, 216, 0.26), rgba(58, 16, 36, 0.92));
  border-radius: 6px 30px 30px 30px;
}
.page-about .about-zone--d {
  background: linear-gradient(140deg, rgba(255, 198, 77, 0.24), rgba(6, 34, 43, 0.94));
  border-radius: 30px 6px 30px 30px;
}

/* ---------- 段位体系 ---------- */
.page-about .about-ranks-layout {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-rank-ladder {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  counter-reset: rank;
}
.page-about .about-rank {
  position: relative;
  padding: 0.85rem 1rem 1.05rem;
  border-radius: var(--radius-sm);
  background: rgba(21, 11, 46, 0.55);
  border: 1px solid rgba(183, 170, 217, 0.16);
  transition: background 0.18s ease, border-color 0.18s ease;
}
.page-about .about-rank:hover {
  background: rgba(36, 21, 70, 0.85);
  border-color: rgba(168, 85, 247, 0.45);
}
.page-about .about-rank-main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.7rem;
  align-items: baseline;
}
.page-about .about-rank-num {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
}
.page-about .about-rank h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--ink);
}
.page-about .about-rank p {
  grid-column: 2;
  margin: 0.3rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-muted);
}
.page-about .about-rank-gauge {
  display: block;
  margin-top: 0.7rem;
  height: 4px;
  border-radius: 2px;
  background: rgba(183, 170, 217, 0.2);
}
.page-about .about-rank:nth-child(1) .about-rank-gauge { width: 16%; background: #6b7a8f; }
.page-about .about-rank:nth-child(2) .about-rank-gauge { width: 26%; background: #c97b4a; }
.page-about .about-rank:nth-child(3) .about-rank-gauge { width: 36%; background: #a9b7c6; }
.page-about .about-rank:nth-child(4) .about-rank-gauge { width: 50%; background: #e0b34a; }
.page-about .about-rank:nth-child(5) .about-rank-gauge { width: 64%; background: #7fd4e8; }
.page-about .about-rank:nth-child(6) .about-rank-gauge { width: 80%; background: var(--neon-purple); }
.page-about .about-rank:nth-child(7) .about-rank-gauge {
  width: 96%;
  background: linear-gradient(90deg, var(--neon-purple), var(--gold));
  box-shadow: 0 0 14px rgba(255, 198, 77, 0.55);
}
.page-about .about-rank--top {
  border-color: rgba(255, 198, 77, 0.42);
  background: linear-gradient(120deg, rgba(58, 16, 36, 0.9), rgba(36, 21, 70, 0.9));
}
.page-about .about-rank--top h3 {
  color: var(--gold);
}

.page-about .about-ranks-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-about .about-ranks-media {
  margin: 0;
}
.page-about .about-ranks-media img {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 79, 216, 0.3);
}
.page-about .about-settle {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 198, 77, 0.32);
  background: rgba(21, 11, 46, 0.6);
}
.page-about .about-settle p {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--ink-muted);
}

/* ---------- 升段路径 ---------- */
.page-about .about-tracks {
  display: grid;
  gap: clamp(1.2rem, 3vw, 1.8rem);
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-track {
  padding: clamp(1.15rem, 3vw, 1.7rem);
  border-radius: var(--radius);
  border: 1px solid rgba(168, 85, 247, 0.26);
  background: linear-gradient(165deg, rgba(36, 21, 70, 0.95), rgba(21, 11, 46, 0.9));
}
.page-about .about-track-head h3 {
  margin: 0.7rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--ink);
}
.page-about .about-track-head p {
  margin: 0 0 1.2rem;
  font-size: 0.89rem;
  line-height: 1.75;
  color: var(--ink-muted);
}
.page-about .about-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-about .about-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.7rem;
  padding-left: 0.85rem;
  border-left: 2px solid rgba(53, 196, 240, 0.42);
}
.page-about .about-step-num {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--electric-blue);
  padding-top: 0.15rem;
}
.page-about .about-step-body h4 {
  margin: 0 0 0.3rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}
.page-about .about-step-body p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--ink-muted);
}

/* ---------- 场内场外 ---------- */
.page-about .about-sync-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.page-about .about-sync {
  padding: 1.05rem 1.15rem;
  border-left: 3px solid var(--neon-purple);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(21, 11, 46, 0.6);
  transition: background 0.18s ease, border-color 0.18s ease;
}
.page-about .about-sync:hover {
  background: rgba(36, 21, 70, 0.85);
  border-left-color: var(--laser-pink);
}
.page-about .about-sync-idx {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
}
.page-about .about-sync h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}
.page-about .about-sync p {
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
  line-height: 1.74;
  color: var(--ink-muted);
}
.page-about .about-sync a {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.page-about .about-sync a::after {
  content: " →";
}

/* ---------- 时间线 ---------- */
.page-about .about-rail-bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
  pointer-events: none;
}
.page-about .about-rail-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(1.3);
}
.page-about .about-band--timeline .shell,
.page-about .about-rail-wrap {
  position: relative;
  z-index: 1;
}
.page-about .about-rail-wrap {
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-block: clamp(0.5rem, 2vw, 1.2rem) clamp(1.4rem, 4vw, 2.4rem);
  scrollbar-width: thin;
  scrollbar-color: var(--neon-purple) transparent;
}
.page-about .about-rail-wrap::-webkit-scrollbar {
  height: 5px;
}
.page-about .about-rail-wrap::-webkit-scrollbar-thumb {
  background: var(--neon-purple);
  border-radius: 3px;
}
.page-about .about-rail-wrap:focus-visible {
  outline: 2px solid var(--electric-blue);
  outline-offset: 3px;
}
.page-about .about-rail {
  position: relative;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0.4rem var(--gutter) 0.6rem;
  list-style: none;
  min-width: max-content;
}
.page-about .about-rail::before {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  top: calc(0.4rem + 7px);
  height: 2px;
  background: linear-gradient(90deg, var(--electric-blue), var(--neon-purple), var(--laser-pink));
  opacity: 0.6;
}
.page-about .about-node {
  position: relative;
  flex: 0 0 min(76vw, 258px);
  scroll-snap-align: start;
  padding-top: 2.3rem;
}
.page-about .about-node-tick {
  position: absolute;
  top: 0.4rem;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--night-indigo);
  border: 2px solid var(--electric-blue);
  box-shadow: 0 0 12px rgba(53, 196, 240, 0.65);
}
.page-about .about-node-stage {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--laser-pink);
}
.page-about .about-node h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}
.page-about .about-node p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--ink-muted);
}

/* ---------- 玩家与团队 ---------- */
.page-about .about-people {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.2rem);
  grid-template-columns: minmax(0, 1fr);
}
.page-about .about-people-col {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid rgba(168, 85, 247, 0.22);
  border-radius: var(--radius);
  background: rgba(36, 21, 70, 0.55);
}
.page-about .about-people-col > h3 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}
.page-about .about-people-note {
  margin: 0.9rem 0 0;
  font-size: 0.87rem;
  line-height: 1.74;
  color: var(--ink-muted);
}
.page-about .about-ring-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.3rem;
}
.page-about .about-ring {
  --p: 60;
  position: relative;
  display: grid;
  align-content: center;
  place-items: center;
  gap: 0.12rem;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: conic-gradient(
    var(--electric-blue) calc(var(--p) * 1%),
    rgba(183, 170, 217, 0.16) 0
  );
  box-shadow: 0 0 26px rgba(53, 196, 240, 0.28);
}
.page-about .about-ring::after {
  content: "";
  position: absolute;
  inset: 13px;
  border-radius: 50%;
  background: var(--night-indigo);
}
.page-about .about-ring-num,
.page-about .about-ring-cap {
  position: relative;
  z-index: 1;
}
.page-about .about-ring-num {
  font-size: 1.42rem;
  font-weight: 500;
  color: var(--gold);
}
.page-about .about-ring-cap {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}
.page-about .about-people-facts {
  flex: 1 1 11rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.page-about .about-people-facts dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.page-about .about-people-facts dd {
  margin: 0.18rem 0 0;
  font-size: 1rem;
  color: var(--ink);
}

.page-about .about-team {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.page-about .about-team-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.5rem;
}
.page-about .about-team-name {
  grid-column: 1;
  font-size: 0.87rem;
  color: var(--ink);
}
.page-about .about-team-num {
  grid-column: 2;
  font-size: 0.8rem;
  color: var(--gold);
}
.page-about .about-team-bar {
  grid-column: 1 / -1;
  display: block;
  height: 5px;
  width: var(--w, 30%);
  border-radius: 3px;
  background: linear-gradient(90deg, var(--neon-purple), var(--electric-blue));
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.4);
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  max-width: 46rem;
}
.page-about .about-cta h2 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.6vw, 2.9rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.page-about .about-cta p {
  margin: 0 0 1.6rem;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--ink-muted);
}
.page-about .about-cta .about-cta-row {
  margin-bottom: 0;
}

/* ---------- 渐进增强 ---------- */
.js .page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js .page-about [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-about .about-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-pillar--wide {
    grid-column: span 2;
  }
}

@media (min-width: 760px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.78fr);
    gap: clamp(2rem, 4vw, 3.2rem);
  }
  .page-about .about-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(1.8rem, 4vw, 3.2rem);
    align-items: start;
  }
  .page-about .about-grid .about-sec-head {
    margin-bottom: 0;
    position: sticky;
    top: 1.5rem;
  }
  .page-about .about-zone-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-about .about-zone--a { grid-column: span 4; }
  .page-about .about-zone--b { grid-column: span 2; }
  .page-about .about-zone--c { grid-column: span 2; }
  .page-about .about-zone--d { grid-column: span 4; }
  .page-about .about-people {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-ranks-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-about .about-tracks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-about .about-track:nth-child(2) {
    margin-top: 2.4rem;
  }
  .page-about .about-track:nth-child(3) {
    margin-top: 0.9rem;
  }
  .page-about .about-node {
    flex: 0 0 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  .js .page-about [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>

.page-about {
  --w: 1rem;
}