.page-about {
  --about-pad: clamp(20px, 2.6vw, 34px);
}

/* ===================== 首屏 ===================== */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 3.6vw, 48px) 0 clamp(34px, 4.6vw, 62px);
  background:
    radial-gradient(900px 460px at 6% -12%, rgba(255, 106, 26, .22), transparent 62%),
    radial-gradient(720px 420px at 98% 10%, rgba(53, 215, 192, .16), transparent 66%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 52, 98, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 52, 98, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(720px 460px at 18% 8%, #000 0%, transparent 76%);
  mask-image: radial-gradient(720px 460px at 18% 8%, #000 0%, transparent 76%);
  pointer-events: none;
}

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

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
  margin-top: clamp(22px, 3vw, 40px);
}

.page-about .about-hero__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--neon);
  text-transform: uppercase;
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  max-width: 16em;
}

.page-about .about-hero__lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--bright);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__side {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.page-about .about-hero__annotation {
  margin: 4px 0 0;
  color: var(--mist);
  flex: 0 0 auto;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.page-about .about-hero__stats > div {
  padding: 14px 16px;
  background: rgba(19, 26, 58, .9);
}

.page-about .about-hero__stats dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-about .about-hero__stats dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.05;
  color: var(--bright);
}

@media (min-width: 980px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
    align-items: end;
  }
}

@media (max-width: 719px) {
  .page-about .about-hero__annotation {
    display: none;
  }
}

/* ===================== 面板流 ===================== */
.page-about .about-flow {
  display: grid;
  gap: 24px;
  padding: clamp(26px, 3.6vw, 48px) 0 clamp(40px, 5vw, 76px);
  overflow-x: clip;
}

/* ===================== 起点 ===================== */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-about .about-origin__media {
  margin: 0;
  border-radius: 4px 4px 4px 30px;
}

.page-about .about-origin__body p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--bright);
  max-width: 38em;
}

.page-about .about-origin__facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-origin__facts li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-origin__facts li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 8px;
  height: 8px;
  background: var(--orange);
  transform: rotate(45deg);
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: start;
  }
}

/* ===================== 城市与赛区 ===================== */
.page-about .about-map__frame {
  position: relative;
  margin: 6px 0 clamp(22px, 2.8vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  overflow: hidden;
}

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

.page-about .about-map__frame figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 38px 20px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--bright);
  background: linear-gradient(180deg, transparent, rgba(10, 14, 36, .94));
}

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

.page-about .about-regions__item {
  position: relative;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(53, 215, 192, .1), rgba(19, 26, 58, .62));
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-about .about-regions__item::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 10px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 106, 26, .6), transparent);
  opacity: 0;
  transition: opacity .22s var(--ease);
}

.page-about .about-regions__item:hover {
  transform: translateY(-6px);
  border-color: rgba(53, 215, 192, .55);
}

.page-about .about-regions__item:hover::after {
  opacity: 1;
}

.page-about .about-regions__name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--bright);
}

.page-about .about-regions__count {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 8px 0 10px;
}

.page-about .about-regions__num {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--neon);
}

.page-about .about-regions__unit {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-about .about-regions__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-map__note {
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--cyan);
  font-size: 15px;
  line-height: 1.85;
  color: var(--bright);
  max-width: 44em;
}

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

@media (min-width: 1080px) {
  .page-about .about-regions {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ===================== 赛季时间轴 ===================== */
.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--orange), var(--cyan) 48%, rgba(184, 255, 60, .55));
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 38px;
  margin-bottom: 20px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 20px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, .14);
}

.page-about .about-timeline__item:last-child {
  margin-bottom: 0;
}

.page-about .about-timeline__season {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--neon);
}

.page-about .about-timeline__card {
  padding: 16px 18px 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  background: rgba(24, 32, 74, .74);
  box-shadow: var(--shadow-card);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-about .about-timeline__card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 154, 77, .55);
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bright);
}

.page-about .about-timeline__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-timeline__item {
    width: calc(50% - 30px);
    padding-left: 0;
    margin-bottom: 26px;
    transform: skewX(-6deg);
  }

  .page-about .about-timeline__item > * {
    transform: skewX(6deg);
  }

  .page-about .about-timeline__item::before {
    left: auto;
    right: -36px;
    top: 22px;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: auto;
  }

  .page-about .about-timeline__item:nth-child(even)::before {
    right: auto;
    left: -36px;
  }
}

/* ===================== 回看链路（纸白面板） ===================== */
.page-about .about-replay .section-title {
  color: var(--ink);
}

.page-about .about-replay .section-lead {
  color: #3B4470;
}

.page-about .about-flowline {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-flowline__step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(16, 22, 58, .1);
  border-radius: var(--radius);
  background: #ffffff;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-about .about-flowline__step:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 26px rgba(16, 22, 58, .1);
}

.page-about .about-flowline__idx {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--orange);
}

.page-about .about-flowline__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-about .about-flowline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #4A537E;
}

@media (min-width: 900px) {
  .page-about .about-flowline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ===================== 团队 ===================== */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(24px, 3vw, 42px);
}

.page-about .about-team__roles {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-about .about-team__role {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

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

.page-about .about-team__role-idx {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--orange);
  padding-top: 3px;
}

.page-about .about-team__role-name {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bright);
}

.page-about .about-team__role p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-team__note {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bright);
}

.page-about .about-team__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-2);
}

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

.page-about .about-team__media figcaption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

@media (min-width: 960px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-about .about-team__media {
    position: sticky;
    top: 24px;
  }
}

/* ===================== 生态与荣誉 ===================== */
.page-about .about-eco__stats {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-eco__stat {
  position: relative;
  padding: 20px 18px 20px 24px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  background: rgba(19, 26, 58, .76);
  box-shadow: var(--shadow-card);
}

.page-about .about-eco__stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 0 3px 3px 0;
}

.page-about .about-eco__stat--orange::before {
  background: var(--orange);
}

.page-about .about-eco__stat--cyan::before {
  background: var(--cyan);
}

.page-about .about-eco__stat--neon::before {
  background: var(--neon);
}

.page-about .about-eco__num {
  display: block;
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  color: var(--bright);
}

.page-about .about-eco__unit {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-about .about-eco__stat p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-eco__subtitle {
  margin: clamp(28px, 3.4vw, 42px) 0 14px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bright);
}

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

.page-about .about-honors__item {
  border-top: 3px solid var(--orange-soft);
}

.page-about .about-honors__item:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-about .about-honors__item h4 {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bright);
}

.page-about .about-honors__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-about .about-eco__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* ===================== 合作路径 ===================== */
.page-about .about-paths {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-paths__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(255, 106, 26, .1), rgba(24, 32, 74, .68) 55%);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-about .about-paths__item:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 154, 77, .55);
}

.page-about .about-paths__item h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--bright);
}

.page-about .about-paths__item p {
  margin: 0;
  flex: 1;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-paths__link {
  align-self: flex-start;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 215, 192, .45);
  padding-bottom: 2px;
}

.page-about .about-paths__link:hover {
  color: var(--neon);
  border-bottom-color: rgba(184, 255, 60, .6);
}

.page-about .about-join__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 26px;
  padding: 20px 22px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  background: rgba(24, 32, 74, .72);
  box-shadow: var(--shadow-card);
}

.page-about .about-join__cta p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bright);
}

@media (min-width: 820px) {
  .page-about .about-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-regions__item,
  .page-about .about-timeline__card,
  .page-about .about-flowline__step,
  .page-about .about-paths__item {
    transition: opacity .2s linear;
  }

  .page-about .about-regions__item:hover,
  .page-about .about-timeline__card:hover,
  .page-about .about-flowline__step:hover,
  .page-about .about-paths__item:hover {
    transform: none;
  }

  .page-about .about-timeline__item {
    transform: none;
  }

  .page-about .about-timeline__item > * {
    transform: none;
  }
}