.page-about {
  --about-gap: clamp(18px, 2.6vw, 34px);
  --tl-year-col: 118px;
  display: block;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.5vw, 56px) 0 clamp(30px, 5vw, 68px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(31, 90, 76, 0.32) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(0deg, rgba(31, 90, 76, 0.2) 0 1px, transparent 1px 104px),
    radial-gradient(115% 85% at 88% -12%, rgba(63, 242, 210, 0.2), transparent 62%),
    linear-gradient(155deg, rgba(43, 42, 107, 0.5), rgba(4, 24, 20, 0) 72%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-about .about-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6.2vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--mist);
  max-width: 22ch;
}

.page-about .about-hero .lead {
  max-width: 60ch;
  color: var(--steel);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.85;
  margin: 0;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: end;
}

.page-about .about-stat {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--radius);
  border-left: 3px solid var(--neon);
  background: linear-gradient(150deg, rgba(17, 66, 54, 0.92), rgba(4, 24, 20, 0.55));
}

.page-about .about-stat:nth-child(2) {
  border-left-color: var(--amber);
}

.page-about .about-stat:nth-child(3) {
  border-left-color: var(--teal);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-about .about-stat__txt {
  display: block;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 赛季跳转 ---------- */

.page-about .jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 14px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-about .jump__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-about .jump__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .jump__list a {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 14px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--steel);
  text-decoration: none;
  transition: color 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .jump__list a:hover,
.page-about .jump__list a:focus-visible {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

/* ---------- 区块标题 ---------- */

.page-about .section-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-about .section-head h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-about .section-head p {
  margin: 0;
  color: var(--steel);
  line-height: 1.85;
}

/* ---------- 时间线 ---------- */

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(30px, 5vw, 62px);
}

.page-about .tl__item {
  position: relative;
  display: grid;
  gap: 12px;
  padding-left: 18px;
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--neon), rgba(63, 242, 210, 0));
  opacity: 0.45;
}

.page-about .tl__year {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .tl__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-about .tl__item:nth-child(3) .tl__num {
  color: var(--amber);
}

.page-about .tl__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-about .tl__body h3 {
  margin: 0 0 10px;
  font-size: clamp(1.12rem, 2.4vw, 1.5rem);
  line-height: 1.35;
  color: var(--mist);
}

.page-about .tl__body p {
  margin: 0 0 14px;
  max-width: 64ch;
  color: var(--steel);
  line-height: 1.85;
}

.page-about .tl__points {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .tl__points li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  color: var(--steel);
}

.page-about .tl__media {
  margin: 20px 0 18px;
  background: var(--turf);
  border-radius: var(--radius);
  overflow: hidden;
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
}

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

.page-about .tl__media .media__caption {
  padding: 10px 16px 14px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 团队 ---------- */

.page-about .team__layout {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .team__intro h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.25;
  color: var(--mist);
}

.page-about .team__intro > p {
  margin: 0 0 22px;
  color: var(--steel);
  line-height: 1.85;
}

.page-about .team__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--pitch);
}

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

.page-about .team__media .media__caption {
  padding: 10px 16px 14px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-about .team__roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .role {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius);
  border: 1px solid rgba(31, 90, 76, 0.75);
  background: var(--turf);
}

.page-about .role--b {
  background: rgba(30, 158, 138, 0.16);
}

.page-about .role--c {
  background: rgba(43, 42, 107, 0.52);
}

.page-about .role--d {
  background: rgba(110, 31, 58, 0.5);
}

.page-about .role__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-about .role h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--mist);
}

.page-about .role p:last-child {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 记录规则 ---------- */

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

.page-about .method__card {
  padding: clamp(20px, 2.8vw, 30px);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--neon);
  background: linear-gradient(168deg, rgba(17, 66, 54, 0.9), rgba(4, 24, 20, 0.6));
}

.page-about .method__card--b {
  border-top-color: var(--amber);
}

.page-about .method__card--c {
  border-top-color: var(--teal);
}

.page-about .method__card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--mist);
}

.page-about .method__card p {
  margin: 0 0 14px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .method__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

/* ---------- 杯赛 ---------- */

.page-about .cups__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-about .cups__copy h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.25;
  color: var(--mist);
}

.page-about .cups__copy > p {
  margin: 0 0 18px;
  color: var(--steel);
  line-height: 1.85;
}

.page-about .cups__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .cups__list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-about .cups__list .mono {
  flex: 0 0 auto;
  min-width: 58px;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  line-height: 1.1;
  color: var(--amber);
}

.page-about .cups__more {
  margin: 0;
  font-size: 0.94rem;
  color: var(--steel);
}

.page-about .cups__media {
  margin: 0;
  background: var(--indigo);
  border-radius: var(--radius-lg);
  overflow: hidden;
  clip-path: polygon(5% 0, 100% 4%, 95% 100%, 0 95%);
}

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

.page-about .cups__media .media__caption {
  padding: 10px 16px 14px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 合作伙伴 ---------- */

.page-about .partners__grid {
  display: grid;
  gap: 14px;
}

.page-about .partner {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius);
  border-left: 3px solid var(--teal);
  background: rgba(17, 66, 54, 0.62);
}

.page-about .partner__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.8vw, 2.2rem);
  line-height: 1;
  color: var(--neon);
}

.page-about .partner h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--mist);
}

.page-about .partner p:last-child {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .honors {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .honors__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(31, 90, 76, 0.9);
  background: rgba(4, 24, 20, 0.5);
}

.page-about .honors__item p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 季票业务 ---------- */

.page-about .ticket__inner {
  padding: clamp(26px, 4.4vw, 54px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 211, 122, 0.28);
  background:
    linear-gradient(135deg, rgba(110, 31, 58, 0.94), rgba(43, 42, 107, 0.86));
}

.page-about .ticket__inner h2 {
  margin: 10px 0 16px;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.25;
  color: var(--mist);
  max-width: 26ch;
}

.page-about .ticket__inner > p {
  margin: 0 0 20px;
  max-width: 66ch;
  color: rgba(234, 247, 242, 0.82);
  line-height: 1.85;
}

.page-about .ticket__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .ticket__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(234, 247, 242, 0.9);
}

.page-about .ticket__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-about .ticket__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 延伸阅读 ---------- */

.page-about .next h2 {
  margin: 0 0 22px;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.3;
  color: var(--mist);
}

.page-about .next__grid {
  display: grid;
  gap: 12px;
}

.page-about .next__card {
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--hair);
  background: rgba(10, 43, 35, 0.55);
  text-decoration: none;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-about .next__card:hover,
.page-about .next__card:focus-visible {
  border-color: var(--neon);
  background: rgba(17, 66, 54, 0.85);
  transform: translateY(-2px);
}

.page-about .next__k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-about .next__t {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--mist);
}

.page-about .next__d {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
    align-items: end;
  }

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

  .page-about .tl__item {
    grid-template-columns: var(--tl-year-col) minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 46px);
    padding-left: 0;
  }

  .page-about .tl__item::before {
    display: none;
  }

  .page-about .tl__year {
    position: sticky;
    top: 26px;
    align-self: start;
    display: block;
    text-align: right;
    padding-right: 22px;
    border-right: 1px solid var(--hair);
  }

  .page-about .tl__label {
    display: block;
    margin-top: 8px;
  }

  .page-about .method__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .method__card--b {
    margin-top: 30px;
  }

  .page-about .method__card--c {
    margin-top: 60px;
  }
}

@media (min-width: 960px) {
  .page-about .team__layout {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

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

  .page-about .role:first-child,
  .page-about .role:last-child {
    grid-column: span 2;
  }

  .page-about .cups__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

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

  .page-about .next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .next__card,
  .page-about .jump__list a {
    transition: none;
  }

  .page-about .next__card:hover,
  .page-about .next__card:focus-visible {
    transform: none;
  }
}