.page-about {
  background: var(--ink-800);
  color: var(--paper);
}

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

/* ---------- 刊头 ---------- */
.page-about .about-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 36px) 0 clamp(38px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(93, 224, 208, 0.12), transparent 62%),
    radial-gradient(90% 80% at 92% 6%, rgba(200, 255, 61, 0.09), transparent 58%),
    var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-about .about-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(126, 147, 139, 0.16) 1px, transparent 1px);
  background-size: clamp(58px, 8vw, 112px) 100%;
  opacity: 0.6;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-about .about-masthead > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-kicker {
  margin: clamp(18px, 3vw, 30px) 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 86px);
  line-height: 1;
  letter-spacing: -0.035em;
  margin: 16px 0 22px;
  max-width: 17ch;
}

.page-about .about-h1 em {
  font-style: normal;
  color: var(--lime);
}

.page-about .about-lede {
  max-width: 64ch;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--sand);
  margin: 0;
}

.page-about .about-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  list-style: none;
  margin: 28px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--smoke);
}

.page-about .about-meta li {
  position: relative;
  padding-left: 14px;
}

.page-about .about-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  background: var(--lime);
  transform: rotate(45deg);
}

/* ---------- 章节锚点导航 ---------- */
.page-about .about-jump {
  background: var(--ink-700);
  border-bottom: 1px solid var(--line);
}

.page-about .jump-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .jump-list::-webkit-scrollbar {
  display: none;
}

.page-about .jump-link {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sand);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .jump-link:hover,
.page-about .jump-link:focus-visible {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
}

/* ---------- 通用章节 ---------- */
.page-about .about-sec {
  padding: clamp(38px, 6.5vw, 86px) 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 66px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(126, 147, 139, 0.42);
  margin-bottom: 10px;
}

@supports (-webkit-text-stroke: 1px red) {
  .page-about .about-num {
    color: transparent;
    -webkit-text-stroke: 1px rgba(200, 255, 61, 0.75);
  }
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.8vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
  max-width: 22ch;
}

.page-about .about-sec-head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-about .about-sec-lede {
  margin: 0;
  max-width: 58ch;
  color: var(--sand);
  line-height: 1.75;
}

@media (min-width: 880px) {
  .page-about .about-sec-head {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
  .page-about .about-sec-head .about-num {
    margin-bottom: 0;
    margin-top: 4px;
  }
}

.page-about .about-sec p {
  line-height: 1.78;
}

/* ---------- 01 品牌宣言 ---------- */
.page-about .about-lead-grid {
  display: grid;
  gap: 32px;
}

.page-about .about-lead-copy p {
  margin: 0 0 16px;
  max-width: 66ch;
  color: var(--sand);
}

.page-about .about-lead-copy .btn {
  margin-top: 8px;
}

.page-about .about-lead-visual {
  display: grid;
  gap: 16px;
}

.page-about .about-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--ink-700);
}

.page-about .about-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 13, 20, 0.72), rgba(5, 13, 20, 0.05) 55%);
  pointer-events: none;
}

.page-about .about-figure img {
  width: 100%;
  object-fit: cover;
}

.page-about .about-figure--wide img {
  aspect-ratio: 16 / 10;
}

.page-about .about-figure--band img {
  aspect-ratio: 16 / 10;
}

.page-about .about-figure--tall img {
  aspect-ratio: 4 / 5;
  height: 100%;
}

.page-about .about-cap {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  z-index: 1;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--sand);
}

.page-about .about-facts {
  padding: 18px 20px 20px;
}

.page-about .facts-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-about .facts-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .fact-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px solid var(--glass-line);
}

.page-about .fact-row dt {
  font-size: 13px;
  color: var(--sand);
}

.page-about .fact-row dd {
  margin: 0;
  font-size: 13px;
  color: var(--paper);
  text-align: right;
}

@media (min-width: 900px) {
  .page-about .about-lead-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
  .page-about .about-facts {
    position: sticky;
    top: 92px;
  }
}

/* ---------- 02 观赛动线 ---------- */
.page-about .flow-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .flow-step {
  background: var(--ink-800);
  padding: 20px 18px 24px;
  position: relative;
}

.page-about .flow-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 2px;
  background: var(--cyan);
}

.page-about .flow-index {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-about .flow-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sand);
}

@media (min-width: 760px) {
  .page-about .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .flow-step {
    padding: 24px 20px 28px;
  }
}

/* ---------- 03 发展历程 ---------- */
.page-about .tl-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .tl-item {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--line);
  position: relative;
}

.page-about .tl-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: 62px;
  top: 26px;
  width: 7px;
  height: 7px;
  background: var(--ink-800);
  border: 2px solid var(--lime);
  border-radius: 50%;
}

.page-about .tl-year {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lime);
  padding-top: 4px;
}

.page-about .tl-body h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.35;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-about .tl-body p {
  margin: 0;
  font-size: 14px;
  color: var(--sand);
  max-width: 62ch;
}

@media (min-width: 820px) {
  .page-about .tl-item {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 34px;
    padding: 26px 0 28px;
  }
  .page-about .tl-item::before {
    left: 128px;
    top: 32px;
  }
  .page-about .tl-year {
    font-size: 20px;
    letter-spacing: -0.01em;
  }
}

/* ---------- 04 团队分工 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 32px;
}

.page-about .team-copy p {
  margin: 0 0 16px;
  max-width: 62ch;
  color: var(--sand);
}

.page-about .team-copy .about-figure {
  margin-top: 22px;
}

.page-about .role-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-content: start;
}

.page-about .role-item {
  background: var(--ink-700);
  padding: 18px 18px 20px;
}

.page-about .role-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.page-about .role-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.3;
  margin: 0;
  color: var(--paper);
}

.page-about .role-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sand);
}

@media (min-width: 940px) {
  .page-about .team-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 05 内容与技术 ---------- */
.page-about .std-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .std-item {
  display: grid;
  gap: 6px;
  padding: 16px 0 18px;
  border-top: 1px solid var(--line);
}

.page-about .std-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .std-item p {
  margin: 0;
  font-size: 14px;
  color: var(--sand);
  max-width: 70ch;
}

.page-about .std-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

@media (min-width: 760px) {
  .page-about .std-item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
    padding: 20px 0 22px;
  }
  .page-about .std-label {
    font-size: 13px;
    letter-spacing: 0.08em;
  }
}

/* ---------- 06 场馆协作 ---------- */
.page-about .venue-grid {
  display: grid;
  gap: 28px;
}

.page-about .venue-copy p {
  margin: 0 0 16px;
  max-width: 64ch;
  color: var(--sand);
}

.page-about .venue-list {
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .venue-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  color: var(--paper);
  padding: 10px 12px;
  background: var(--ink-600);
  border-left: 2px solid var(--cyan);
}

.page-about .venue-list .mono {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .venue-cta-text {
  font-size: 14px;
  color: var(--smoke);
  padding-top: 4px;
}

.page-about .venue-copy .btn {
  margin-top: 6px;
}

@media (min-width: 900px) {
  .page-about .venue-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }
  .page-about .about-figure--tall img {
    aspect-ratio: 4 / 5;
  }
}

/* ---------- 07 长期运营 ---------- */
.page-about .num-strip {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .num-cell {
  background: var(--ink-700);
  padding: 18px 18px 20px;
  position: relative;
}

.page-about .num-cell::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  width: 24px;
  height: 2px;
  background: var(--warm);
}

.page-about .num-cell dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
  margin-bottom: 8px;
}

.page-about .num-cell dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
}

.page-about .num-val {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-about .num-unit {
  font-size: 12px;
  color: var(--smoke);
  letter-spacing: 0.06em;
}

@media (min-width: 620px) {
  .page-about .num-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-about .num-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 收尾行动区 ---------- */
.page-about .about-next {
  background: var(--lime);
  color: var(--ink-900);
  padding: clamp(38px, 6vw, 76px) 0;
}

.page-about .next-eyebrow {
  color: rgba(7, 26, 22, 0.62);
  margin: 0 0 10px;
}

.page-about .next-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.2vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  max-width: 20ch;
}

.page-about .next-lede {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(7, 26, 22, 0.78);
}

.page-about .next-links {
  display: grid;
  gap: 10px;
}

.page-about .next-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  text-decoration: none;
  color: var(--ink-900);
  background: rgba(7, 26, 22, 0.05);
  border: 1px solid rgba(7, 26, 22, 0.32);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .next-link:hover,
.page-about .next-link:focus-visible {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--lime);
}

@media (min-width: 700px) {
  .page-about .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

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

/* ---------- 滚动显现 ---------- */
.page-about [data-reveal] {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .page-about .js-reveal [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.36s var(--ease), transform 0.36s var(--ease);
  }
  .page-about .js-reveal [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .page-about .about-figure--wide img,
  .page-about .about-figure--band img {
    aspect-ratio: 4 / 3;
  }
}
<<<END>>>