.page-about {
  position: relative;
  overflow-x: clip;
  isolation: isolate;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--fh-font-display);
}

/* ---------- 通用区块小标题 ---------- */
.page-about .about-head {
  max-width: 64ch;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-about .about-head h2 {
  font-size: var(--fh-h2);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 0.85rem;
}

.page-about .about-head p {
  margin: 0;
  color: var(--fh-muted);
  line-height: 1.8;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(1.2rem, 3vw, 2.4rem);
}

.page-about .about-hero__frame {
  display: grid;
  gap: var(--fh-gap);
  padding: clamp(1.1rem, 3vw, 2rem);
  border: 1px solid var(--fh-line);
  border-radius: var(--fh-radius);
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(255, 77, 26, 0.16), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(30, 144, 255, 0.14), transparent 62%),
    var(--fh-surface-2);
}

.page-about .about-hero__rail {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-left: 3px solid var(--fh-orange);
  padding-left: 0.9rem;
}

.page-about .about-hero__rail p {
  margin: 0;
  font-size: var(--fh-note);
  line-height: 1.65;
  color: var(--fh-muted);
}

.page-about .about-hero__main h1 {
  font-size: clamp(2.05rem, 7vw, 4.3rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

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

.page-about .about-hero__main .fh-lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(0.98rem, 1.5vw, 1.12rem);
  line-height: 1.85;
  color: var(--fh-muted);
}

.page-about .about-hero__figures {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 3.5vw, 2.75rem);
  margin: clamp(1.3rem, 3vw, 1.9rem) 0 0;
  padding-top: clamp(1rem, 2.4vw, 1.4rem);
  border-top: 1px solid var(--fh-line);
}

.page-about .about-figure {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.page-about .about-figure strong {
  font-family: var(--fh-font-mono);
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1;
  color: var(--fh-ink);
  letter-spacing: -0.02em;
}

.page-about .about-figure__unit {
  font-size: 0.48em;
  color: var(--fh-orange);
  margin-left: 0.16em;
  letter-spacing: 0;
}

.page-about .about-figure span:last-child {
  margin-top: 0.4rem;
  font-size: var(--fh-note);
  letter-spacing: 0.05em;
  color: var(--fh-muted-soft);
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--fh-radius-sm);
  overflow: hidden;
  border: 1px solid var(--fh-line);
  background: linear-gradient(120deg, rgba(30, 144, 255, 0.16), rgba(142, 45, 226, 0.12));
}

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

.page-about .about-hero__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem 1rem 0.8rem;
  font-size: var(--fh-note);
  color: var(--fh-silver);
  background: linear-gradient(to top, rgba(7, 6, 15, 0.92), transparent);
}

/* ---------- 品牌历程时间轴 ---------- */
.page-about .about-track__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.7rem;
}

.page-about .about-track__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.65rem;
  bottom: 1.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--fh-orange), var(--fh-blue) 52%, rgba(30, 144, 255, 0));
}

.page-about .about-track__item {
  position: relative;
  display: grid;
  gap: 0.45rem;
  padding-bottom: clamp(1.5rem, 4vw, 2.3rem);
  outline: none;
}

.page-about .about-track__item::before {
  content: "";
  position: absolute;
  left: -1.7rem;
  top: 0.45rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--fh-black);
  border: 2px solid var(--fh-orange);
}

.page-about .about-track__item:focus-visible::before {
  box-shadow: 0 0 0 4px rgba(200, 255, 61, 0.45);
}

.page-about .about-track__mark {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0;
}

.page-about .about-track__year {
  font-family: var(--fh-font-mono);
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--fh-orange);
}

.page-about .about-track__phase {
  font-size: var(--fh-note);
  letter-spacing: 0.12em;
  color: var(--fh-muted-soft);
}

.page-about .about-track__body h3 {
  margin: 0 0 0.45rem;
  font-size: var(--fh-h3);
  font-weight: 800;
  line-height: 1.28;
}

.page-about .about-track__body > p {
  margin: 0;
  color: var(--fh-muted);
  line-height: 1.8;
}

.page-about .about-track__detail {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.38s ease, opacity 0.3s ease;
}

.page-about .about-track__detail > div {
  overflow: hidden;
}

.page-about .about-track__detail p {
  margin: 0.7rem 0 0;
  padding-left: 0.8rem;
  border-left: 2px solid var(--fh-line-strong);
  font-size: var(--fh-note);
  line-height: 1.75;
  color: var(--fh-muted-soft);
}

.page-about .about-track__item:hover .about-track__detail,
.page-about .about-track__item:focus-within .about-track__detail {
  grid-template-rows: 1fr;
  opacity: 1;
}

/* ---------- 平台能力 ---------- */
.page-about .about-what__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .about-what__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem 1.1rem;
  padding: clamp(1rem, 2.6vw, 1.5rem) 0;
  border-top: 1px solid var(--fh-line);
}

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

.page-about .about-what__no {
  font-family: var(--fh-font-mono);
  font-size: var(--fh-note);
  letter-spacing: 0.12em;
  color: var(--fh-cyan);
  padding-top: 0.28rem;
}

.page-about .about-what__body h3 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.3;
}

.page-about .about-what__body p {
  margin: 0;
  color: var(--fh-muted);
  line-height: 1.8;
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-about .about-team__text > p {
  margin: 0;
  color: var(--fh-muted);
  line-height: 1.85;
  max-width: 58ch;
}

.page-about .about-team__text h2 {
  font-size: var(--fh-h2);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 0.9rem;
}

.page-about .about-team__roles {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-about .about-team__roles li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 0;
  border-bottom: 1px dashed var(--fh-line);
}

.page-about .about-team__num {
  font-family: var(--fh-font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--fh-lime);
  line-height: 1;
}

.page-about .about-team__role {
  font-size: var(--fh-note);
  line-height: 1.65;
  color: var(--fh-muted);
}

.page-about .about-team__role::first-line {
  color: var(--fh-ink);
}

.page-about .about-team__visual {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--fh-radius);
  overflow: hidden;
  border: 1px solid var(--fh-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--fh-cut)), calc(100% - var(--fh-cut)) 100%, 0 100%);
}

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

.page-about .about-team__note {
  margin: 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--fh-blue);
  font-size: var(--fh-note);
  line-height: 1.75;
  color: var(--fh-muted-soft);
}

/* ---------- 新疆电竞文化 ---------- */
.page-about .about-xinjiang {
  position: relative;
  padding-top: clamp(3rem, 8vw, 6rem);
}

.page-about .about-peaks {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: clamp(120px, 22vw, 260px);
  fill: rgba(142, 45, 226, 0.16);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-xinjiang__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-about .about-xinjiang__text h2 {
  font-size: var(--fh-h2);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 0.9rem;
}

.page-about .about-xinjiang__text p {
  margin: 0 0 0.95rem;
  color: var(--fh-muted);
  line-height: 1.85;
}

.page-about .about-xinjiang__facts {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.9rem;
}

.page-about .about-xinjiang__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.9rem;
  border: 1px solid var(--fh-line);
  border-radius: var(--fh-radius-sm);
  background: var(--fh-surface);
}

.page-about .about-xinjiang__facts strong {
  font-family: var(--fh-font-mono);
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 700;
  color: var(--fh-sand);
  line-height: 1;
}

.page-about .about-xinjiang__facts span {
  font-size: var(--fh-note);
  line-height: 1.6;
  color: var(--fh-muted-soft);
}

.page-about .about-xinjiang__figure {
  margin: 0;
  border-radius: var(--fh-radius);
  overflow: hidden;
  border: 1px solid var(--fh-line);
  background: linear-gradient(140deg, rgba(142, 45, 226, 0.2), rgba(224, 164, 88, 0.12));
}

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

.page-about .about-xinjiang__figure figcaption {
  padding: 0.75rem 1rem;
  font-size: var(--fh-note);
  color: var(--fh-muted);
  border-top: 1px solid var(--fh-line);
}

/* ---------- 合作与认可 ---------- */
.page-about .about-eco__tabs {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.6rem);
}

.page-about .about-eco__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .about-eco__tab {
  appearance: none;
  font: inherit;
  font-size: var(--fh-note);
  letter-spacing: 0.05em;
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--fh-line-strong);
  background: transparent;
  color: var(--fh-muted);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-about .about-eco__tab:hover {
  border-color: var(--fh-orange);
  color: var(--fh-ink);
}

.page-about .about-eco__tab[aria-selected="true"] {
  background: var(--fh-orange);
  border-color: var(--fh-orange);
  color: #14060A;
  font-weight: 700;
}

.page-about .about-eco__panel {
  padding-left: clamp(0.9rem, 3vw, 1.5rem);
  border-left: 3px solid var(--fh-blue);
}

.page-about .about-eco__panel[hidden] {
  display: none;
}

.page-about .about-eco__num {
  margin: 0 0 0.55rem;
  font-family: var(--fh-font-mono);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 700;
  color: var(--fh-cyan);
  letter-spacing: -0.01em;
}

.page-about .about-eco__panel p {
  margin: 0;
  color: var(--fh-muted);
  line-height: 1.85;
  max-width: 72ch;
}

.page-about .about-honors {
  margin-top: clamp(2rem, 5vw, 3.2rem);
}

.page-about .about-honors__title {
  margin: 0 0 1rem;
  font-size: var(--fh-note);
  letter-spacing: 0.18em;
  color: var(--fh-muted-soft);
  font-weight: 600;
}

.page-about .about-honor {
  border-top: 1px solid var(--fh-line);
}

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

.page-about .about-honor__trigger {
  appearance: none;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(0.95rem, 2.4vw, 1.35rem) 0;
  background: none;
  border: 0;
  font: inherit;
  text-align: left;
  color: var(--fh-ink);
  cursor: pointer;
}

.page-about .about-honor__label {
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  font-weight: 600;
  line-height: 1.5;
}

.page-about .about-honor__icon {
  flex: none;
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--fh-line-strong);
  color: var(--fh-lime);
  font-size: 0.95rem;
  transition: transform 0.28s ease, border-color 0.28s ease;
}

.page-about .about-honor__trigger[aria-expanded="true"] .about-honor__icon {
  transform: rotate(45deg);
  border-color: var(--fh-lime);
}

.page-about .about-honor__body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.34s ease;
}

.page-about .about-honor__trigger[aria-expanded="true"] + .about-honor__body {
  max-height: 14rem;
}

.page-about .about-honor__body p {
  margin: 0 0 1.1rem;
  color: var(--fh-muted);
  line-height: 1.85;
  max-width: 70ch;
}

/* ---------- 结尾行动 ---------- */
.page-about .about-next__inner {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border: 1px solid var(--fh-line);
  border-radius: var(--fh-radius);
  background:
    linear-gradient(115deg, rgba(255, 77, 26, 0.18), rgba(30, 144, 255, 0.12) 62%, transparent),
    var(--fh-surface-2);
}

.page-about .about-next__text h2 {
  font-size: var(--fh-h2);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 0.8rem;
}

.page-about .about-next__text p {
  margin: 0;
  color: var(--fh-muted);
  line-height: 1.85;
  max-width: 58ch;
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-content: start;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-about .about-what__item {
    grid-template-columns: 4rem 1fr;
    gap: 1.4rem;
  }

  .page-about .about-xinjiang__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* ---------- 桌面版式 ---------- */
@media (min-width: 1000px) {
  .page-about .about-hero__frame {
    grid-template-columns: 3fr 9fr;
    column-gap: var(--fh-gap);
    row-gap: clamp(1.4rem, 3vw, 2.2rem);
  }

  .page-about .about-hero__rail {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-hero__main {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-hero__figure {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .page-about .about-track__item {
    grid-template-columns: minmax(150px, 2.6fr) 9.4fr;
    column-gap: var(--fh-gap);
    align-items: start;
  }

  .page-about .about-track__mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .page-about .about-what__list {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(1.5rem, 4vw, 3.5rem);
  }

  .page-about .about-what__item:nth-child(odd) {
    padding-right: clamp(0.5rem, 2vw, 1.5rem);
  }

  .page-about .about-what__item:nth-child(even) {
    transform: translateY(1.6rem);
  }

  .page-about .about-team__grid {
    grid-template-columns: 6fr 6fr;
    align-items: start;
  }

  .page-about .about-team__visual {
    margin-top: 3rem;
  }

  .page-about .about-xinjiang__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-about .about-xinjiang__figure {
    margin-top: 2.4rem;
  }

  .page-about .about-next__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-about .about-next__actions {
    justify-content: flex-end;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-track__detail,
  .page-about .about-honor__body,
  .page-about .about-honor__icon,
  .page-about .about-eco__tab {
    transition: none;
  }
}