.page-about {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}
.page-about img {
  max-width: 100%;
  height: auto;
}
.page-about .about-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========= 首屏 ========= */
.page-about .about-hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--navy);
  padding: 24px 20px 48px;
}
.page-about .about-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.page-about .about-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(75deg, rgba(11, 29, 43, 0.92) 0%, rgba(26, 107, 60, 0.72) 54%, rgba(29, 53, 87, 0.45) 100%);
  pointer-events: none;
}
.page-about .about-hero__crumbs {
  position: absolute;
  top: 18px;
  left: 20px;
  z-index: 3;
  margin: 0;
  padding: 6px 12px;
  background: rgba(11, 29, 43, 0.55);
  border-left: 3px solid var(--neon);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-light);
  white-space: nowrap;
}
.page-about .about-hero__crumbs a {
  color: var(--ink-light);
  text-decoration: none;
}
.page-about .about-hero__crumbs a:hover {
  color: var(--neon);
}
.page-about .about-hero__crumb-sep {
  margin: 0 8px;
  opacity: 0.6;
}
.page-about .about-hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 130px;
}
.page-about .about-hero__eyebrow {
  font-family: var(--font-head);
  font-size: 0.82rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 20px;
}
.page-about .about-hero__title {
  margin: 0;
}
.page-about .about-hero__title-main {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(3.2rem, 11vw, 8.5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--ink-light);
  text-shadow: 0 4px 32px rgba(0, 230, 118, 0.22);
}
.page-about .about-hero__title-sub {
  display: inline-block;
  margin-top: 18px;
  padding: 6px 14px;
  font-family: var(--font-head);
  font-size: 0.92rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--neon);
  border: 1px solid rgba(0, 230, 118, 0.45);
  transform: skewX(-6deg);
}
.page-about .about-hero__lead {
  max-width: 580px;
  margin: 26px 0 0;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink-light);
}
.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 540px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}
.page-about .about-hero__stat {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.page-about .about-hero__stat .stat-number {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.3rem, 4.5vw, 2.4rem);
  line-height: 1.2;
  color: var(--neon);
}
.page-about .about-hero__stat > span:last-child {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: rgba(232, 244, 234, 0.72);
  margin-top: 2px;
}
.page-about .about-hero__note {
  position: absolute;
  top: 76px;
  left: 20px;
  z-index: 2;
  padding: 6px 12px;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon);
  background: rgba(11, 29, 43, 0.45);
  border-right: 2px solid var(--neon);
}

/* ========= 章节公共 ========= */
.page-about .about-section {
  padding: 72px 0 60px;
}
.page-about .about-map {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-about .about-tactics {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.page-about .about-team {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-about .about-section__head {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  margin-bottom: 48px;
}
.page-about .about-section__no {
  flex-shrink: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(3.4rem, 7vw, 5.6rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--green);
}
.page-about .about-section__heading {
  padding-top: 4px;
}
.page-about .about-section__kicker {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 8px;
}
.page-about .about-section__heading h2 {
  font-family: var(--font-head);
  font-size: clamp(1.65rem, 3.4vw, 2.7rem);
  line-height: 1.2;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

/* ========= 时间线：球场地图 ========= */
.page-about .about-timeline {
  position: relative;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--green);
  opacity: 0.22;
}
.page-about .about-timeline__item {
  position: relative;
  padding-left: 34px;
  margin-bottom: 28px;
}
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(0, 230, 118, 0.15);
}
.page-about .about-timeline__marker {
  margin-bottom: 10px;
}
.page-about .about-timeline__year {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--green);
  letter-spacing: 0.04em;
}
.page-about .about-timeline__panel {
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  box-shadow: 6px 6px 0 rgba(26, 107, 60, 0.07);
}
.page-about .about-timeline__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.page-about .about-timeline__top h3 {
  font-family: var(--font-head);
  font-size: 1.28rem;
  font-weight: 700;
  margin: 0 0 3px;
  line-height: 1.3;
}
.page-about .about-timeline__sub {
  font-size: 0.83rem;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin: 0;
}
.page-about .about-timeline__btn {
  flex-shrink: 0;
  padding: 4px 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--green);
  font-family: var(--font-head);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transform: skewX(-6deg);
  transition: background 0.2s ease, color 0.2s ease;
}
.page-about .about-timeline__btn:hover {
  background: var(--green);
  color: #fff;
}
.page-about .about-timeline__detail {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink);
}
.page-about .about-timeline__detail p {
  margin: 0;
}

/* ========= 战术板 ========= */
.page-about .about-tactics__layout {
  display: grid;
  gap: 28px;
  margin-bottom: 52px;
}
.page-about .about-tactics__lead {
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 0 0 24px;
}
.page-about .about-tactics__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.page-about .about-tactics__facts li {
  padding: 12px 16px;
  background: var(--bg);
  border-left: 3px solid var(--red);
  font-size: 0.9rem;
  white-space: nowrap;
}
.page-about .about-tactics__facts .stat-number {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--red);
  margin-right: 4px;
}
.page-about .about-tactics__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: 8px 8px 0 rgba(26, 107, 60, 0.08);
}
.page-about .about-steps__hint {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.55;
}
.page-about .about-steps {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 20px 20px 4px;
  margin: 0 -20px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.page-about .about-step {
  flex: 0 0 248px;
  scroll-snap-align: start;
  background: var(--bg);
  border: 1px solid var(--line);
  border-top: 4px solid var(--green);
  padding: 22px;
}
.page-about .about-step__no {
  font-family: var(--font-num);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--red);
}
.page-about .about-step h3 {
  font-family: var(--font-head);
  font-size: 1.12rem;
  line-height: 1.35;
  margin: 10px 0 8px;
}
.page-about .about-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ========= 更衣室 ========= */
.page-about .about-team__roster {
  display: grid;
  gap: 16px;
  margin-bottom: 48px;
}
.page-about .about-team__card {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-bottom: 4px solid var(--navy);
  box-shadow: 6px 6px 0 rgba(29, 53, 87, 0.07);
}
.page-about .about-team__card .stat-number {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  line-height: 1;
  color: var(--green);
}
.page-about .about-team__card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin: 14px 0 8px;
}
.page-about .about-team__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.85;
}
.page-about .about-team__partner {
  display: grid;
  gap: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 20px;
  box-shadow: 8px 8px 0 rgba(26, 107, 60, 0.07);
}
.page-about .about-team__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .about-team__partners h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  margin: 0 0 14px;
}
.page-about .about-team__partners p {
  margin: 0 0 18px;
  font-size: 0.95rem;
  line-height: 1.85;
}
.page-about .about-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .about-team__list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 0.92rem;
}
.page-about .about-team__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--neon);
  transform: rotate(-45deg);
}

/* ========= 承诺与联系 ========= */
.page-about .about-promise {
  background: var(--green);
  color: var(--ink-light);
  padding: 72px 0;
}
.page-about .about-promise__inner {
  display: grid;
  gap: 44px;
}
.page-about .about-promise__kicker {
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0;
}
.page-about .about-promise__main h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.16;
  margin: 14px 0 20px;
  color: var(--ink-light);
  font-weight: 700;
}
.page-about .about-promise__lead {
  max-width: 580px;
  margin: 0 0 32px;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(232, 244, 234, 0.92);
}
.page-about .about-promise__btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.page-about .about-promise__btn-row .btn {
  display: inline-block;
  padding: 13px 22px;
  font-family: var(--font-head);
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1.2;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.page-about .about-promise__btn-row .btn-primary {
  background: var(--red);
  border: 2px solid var(--red);
  color: #fff;
}
.page-about .about-promise__btn-row .btn-primary:hover {
  background: #d32f3f;
  border-color: #d32f3f;
  transform: translateY(-2px);
}
.page-about .about-promise__btn-row .btn-outline {
  border: 2px solid var(--ink-light);
  color: var(--ink-light);
}
.page-about .about-promise__btn-row .btn-outline:hover {
  background: var(--ink-light);
  color: var(--green);
  transform: translateY(-2px);
}
.page-about .about-promise__contact {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 28px;
}
.page-about .about-promise__contact h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  margin: 0 0 22px;
  color: var(--ink-light);
}
.page-about .about-promise__contact .contact-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 18px 0 4px;
}
.page-about .about-promise__contact p {
  margin: 4px 0;
  font-size: 0.95rem;
  color: rgba(232, 244, 234, 0.9);
}
.page-about .about-promise__note {
  margin-top: 20px;
  font-size: 0.85rem;
  opacity: 0.7;
}
.page-about .about-promise__link {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-head);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon);
  padding-bottom: 4px;
}

/* ========= 桌面端 ========= */
@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 32px 40px 64px;
  }
  .page-about .about-hero__crumbs {
    top: 28px;
    left: 40px;
  }
  .page-about .about-hero__note {
    top: 50%;
    left: auto;
    right: 32px;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    background: none;
    border-right: none;
    font-size: 13px;
    letter-spacing: 0.5em;
  }
  .page-about .about-hero__content {
    padding-top: 160px;
  }
  .page-about .about-hero__stats {
    max-width: 580px;
  }

  .page-about .about-section {
    padding: 96px 0 80px;
  }
  .page-about .about-section__head {
    margin-bottom: 64px;
  }

  .page-about .about-timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
    padding-top: 28px;
  }
  .page-about .about-timeline::before {
    left: 10px;
    right: 10px;
    top: 28px;
    bottom: auto;
    width: auto;
    height: 2px;
  }
  .page-about .about-timeline__item {
    padding-left: 0;
    margin-bottom: 0;
  }
  .page-about .about-timeline__item::before {
    left: 0;
    top: 22px;
    width: 14px;
    height: 14px;
  }
  .page-about .about-timeline__panel {
    border-left: 1px solid var(--line);
    border-top: 4px solid var(--green);
  }

  .page-about .about-tactics__layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
    margin-bottom: 64px;
  }
  .page-about .about-tactics__img {
    height: 100%;
  }
  .page-about .about-steps__hint {
    display: none;
  }
  .page-about .about-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    overflow: visible;
    margin: 0;
    padding: 0;
    scroll-snap-type: none;
  }
  .page-about .about-step {
    flex: none;
  }

  .page-about .about-team__roster {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 64px;
  }
  .page-about .about-team__partner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 0;
  }
  .page-about .about-team__img {
    height: 100%;
    min-height: 360px;
    object-fit: cover;
  }
  .page-about .about-team__partners {
    padding: 36px;
  }

  .page-about .about-promise {
    padding: 96px 0;
  }
  .page-about .about-promise__inner {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
  }
}