.page-about {
  --ab-pad-y: clamp(48px, 7vw, 92px);
  --ab-gap: clamp(20px, 3.4vw, 40px);
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-display);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
}

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

.page-about .crumb__link:hover,
.page-about .crumb__link:focus-visible {
  border-bottom-color: currentColor;
}

.page-about .crumb__sep {
  color: var(--steel);
}

.page-about .crumb__current {
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(44px, 6.5vw, 88px);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(50, 230, 214, 0.12) 0%, transparent 58%),
    linear-gradient(158deg, var(--ink) 0%, var(--indigo) 58%, var(--field) 100%);
  overflow: hidden;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(50, 230, 214, 0.055) 0 1px,
    transparent 1px 132px
  );
}

.page-about .ab-hero > .container {
  position: relative;
  z-index: 1;
}

.page-about .ab-hero__grid {
  display: grid;
  gap: var(--ab-gap);
  align-items: start;
}

.page-about .ab-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cream);
  max-width: 16ch;
}

.page-about .ab-hero__title em {
  font-style: normal;
  color: var(--cyan);
  box-shadow: inset 0 -0.18em 0 rgba(255, 107, 26, 0.55);
}

.page-about .ab-hero__lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.85;
  color: rgba(244, 238, 223, 0.85);
}

.page-about .ab-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-about .ab-meta > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 12px;
  border-left: 2px solid var(--steel);
}

.page-about .ab-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-about .ab-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-about .ab-hero__media {
  margin: 0;
  align-self: stretch;
}

.page-about .ab-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 斜切色带 ---------- */
.page-about .ab-band {
  height: 12px;
  background: linear-gradient(
    90deg,
    var(--orange) 0 26%,
    var(--wine) 26% 52%,
    var(--indigo) 52% 76%,
    var(--cyan) 76% 100%
  );
  clip-path: polygon(0 0, 100% 0, 100% 52%, 0 100%);
}

.page-about .ab-band--flip {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 52%);
}

/* ---------- 通用章节 ---------- */
.page-about .ab-sec {
  position: relative;
  padding-block: var(--ab-pad-y);
}

.page-about .ab-sec--ink {
  background: var(--ink);
}

.page-about .ab-sec--field {
  background: var(--field);
}

.page-about .ab-sec--indigo {
  background: var(--indigo);
}

.page-about .ab-sec--ink::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(50, 230, 214, 0.05) 0 1px,
    transparent 1px 148px
  );
}

.page-about .ab-sec > .container {
  position: relative;
  z-index: 1;
}

.page-about .ab-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 46px);
}

.page-about .ab-head__idx {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-about .ab-head__idx::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--orange);
}

.page-about .ab-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cream);
  max-width: 24ch;
}

.page-about .ab-head__note {
  margin: 0;
  max-width: 60ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--sand);
}

.page-about .ab-copy {
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(244, 238, 223, 0.86);
}

.page-about .ab-copy p {
  margin: 0;
}

.page-about .ab-copy p + p {
  margin-top: 1em;
}

.page-about .ab-copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 230, 214, 0.45);
}

.page-about .ab-copy a:hover,
.page-about .ab-copy a:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 01 品牌起点 ---------- */
.page-about .ab-profile {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-about .ab-quote {
  position: relative;
  padding: clamp(20px, 3vw, 30px) clamp(20px, 3vw, 32px);
  border: var(--edge);
  border-left: 6px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(7, 19, 26, 0.6);
  box-shadow: var(--shadow-hard);
  font-size: clamp(1.05rem, 1.7vw, 1.32rem);
  font-weight: 700;
  line-height: 1.62;
  color: var(--cream);
}

.page-about .ab-quote::after {
  content: "";
  position: absolute;
  right: 14px;
  bottom: 12px;
  width: 44px;
  height: 44px;
  border-right: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  pointer-events: none;
}

/* ---------- 02 双轴 ---------- */
.page-about .ab-axis {
  margin: 0;
  padding: clamp(12px, 2.6vw, 26px);
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  background: rgba(7, 19, 26, 0.62);
  box-shadow: var(--shadow-hard);
}

.page-about .ab-axis svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .ab-legend {
  display: grid;
  gap: 14px;
  margin: clamp(22px, 3.6vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-legend__item {
  padding: 20px 20px 22px;
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  background: rgba(14, 43, 38, 0.55);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .ab-legend__item:hover {
  transform: translate(-2px, -2px);
}

.page-about .ab-legend__item--league:hover {
  border-color: var(--orange);
}

.page-about .ab-legend__item--cup:hover {
  border-color: var(--wine);
}

.page-about .ab-legend__item--inter:hover {
  border-color: var(--cyan);
}

.page-about .ab-legend__n {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
}

.page-about .ab-legend__item--league .ab-legend__n {
  color: var(--orange);
}

.page-about .ab-legend__item--cup .ab-legend__n {
  color: #D8546A;
}

.page-about .ab-legend__item--inter .ab-legend__n {
  color: var(--cyan);
}

.page-about .ab-legend__k {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cream);
}

.page-about .ab-legend__d {
  margin: 8px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(244, 238, 223, 0.76);
}

/* ---------- 03 球队库 ---------- */
.page-about .ab-library {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-about .ab-library__figure {
  margin: 0;
}

.page-about .ab-library__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-about .ab-library__body {
  min-width: 0;
}

.page-about .ab-tagmatrix {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .ab-taggroup {
  padding: 16px 16px 18px;
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  background: rgba(7, 19, 26, 0.5);
}

.page-about .ab-taggroup__k {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0;
}

.page-about .ab-taggroup__k span {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--cream);
}

.page-about .ab-taggroup__k small {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sand);
}

.page-about .ab-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* ---------- 04 团队 ---------- */
.page-about .ab-work {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-about .ab-work__figure {
  margin: 0;
}

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

.page-about .ab-work__body {
  min-width: 0;
}

.page-about .ab-teams {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-team {
  padding: 16px 18px 18px;
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  background: rgba(7, 19, 26, 0.5);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .ab-team:hover {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
}

.page-about .ab-team__k {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .ab-team p {
  margin: 6px 0 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: rgba(244, 238, 223, 0.8);
}

.page-about .ab-work__note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 4px solid var(--orange);
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(244, 238, 223, 0.86);
}

.page-about .ab-work__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 230, 214, 0.45);
}

.page-about .ab-work__note a:hover,
.page-about .ab-work__note a:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 05 时间线 ---------- */
.page-about .ab-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-year {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 14px;
  padding-block: 20px;
  border-top: 1px solid var(--steel);
}

.page-about .ab-year:last-child {
  border-bottom: 1px solid var(--steel);
}

.page-about .ab-year__num {
  position: relative;
  margin: 0;
  padding-left: 15px;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.8rem);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-about .ab-year__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.34em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(50, 230, 214, 0.18);
}

.page-about .ab-year__body {
  min-width: 0;
}

.page-about .ab-year__k {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cream);
}

.page-about .ab-year__body p {
  margin: 7px 0 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(244, 238, 223, 0.78);
}

/* ---------- 06 联络 ---------- */
.page-about .ab-contact {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-about .ab-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  background: rgba(7, 19, 26, 0.55);
  box-shadow: var(--shadow-hard);
}

.page-about .ab-contact__list li {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
}

.page-about .ab-contact__list li + li {
  border-top: 1px solid var(--steel);
}

.page-about .ab-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-about .ab-contact__v {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-about .ab-contact__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 68ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: rgba(244, 238, 223, 0.8);
}

.page-about .ab-contact__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 230, 214, 0.45);
}

.page-about .ab-contact__note a:hover,
.page-about .ab-contact__note a:focus-visible {
  border-bottom-color: currentColor;
}

.page-about .ab-contact__cta {
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* ---------- 收尾 ---------- */
.page-about .ab-final {
  padding-block: clamp(36px, 5vw, 64px);
  background: linear-gradient(120deg, var(--field) 0%, var(--indigo) 100%);
  border-top: 2px solid var(--steel);
}

.page-about .ab-final__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 36px);
  border: 2px solid var(--steel);
  border-left: 8px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(7, 19, 26, 0.6);
  box-shadow: var(--shadow-hard);
}

.page-about .ab-final__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--cream);
  max-width: 34ch;
}

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

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

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

@media (min-width: 900px) {
  .page-about .ab-hero__grid {
    grid-template-columns: 1.06fr 0.94fr;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-about .ab-profile {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }

  .page-about .ab-library {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-about .ab-work {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-about .ab-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-about .ab-year {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 32px;
    padding-block: 26px;
  }

  .page-about .ab-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-about .ab-hero__title {
    max-width: 14ch;
  }

  .page-about .ab-head__title {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-legend__item,
  .page-about .ab-team {
    transition: none;
  }

  .page-about .ab-legend__item:hover,
  .page-about .ab-team:hover {
    transform: none;
  }
}