.page-about {
  --about-line: rgba(143, 163, 184, 0.16);
  --about-copper-line: rgba(192, 138, 62, 0.38);
  --about-surface: rgba(14, 36, 64, 0.55);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 20px 0 4px;
}

.page-about .about-hero__frame {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 24px 24px;
  border: 1px solid var(--about-copper-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 130% at 100% 0%, rgba(55, 230, 212, 0.1), transparent 58%),
    linear-gradient(158deg, rgba(14, 36, 64, 0.96), rgba(5, 11, 20, 0.96));
}

.page-about .about-hero__frame::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--copper-bright), var(--neon) 62%, transparent);
}

.page-about .about-hero__copy {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__frame h1 {
  margin: 12px 0 0;
  font-size: 28px;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-hero__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
}

.page-about .about-hero__stat {
  padding: 13px 14px 12px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: var(--about-surface);
}

.page-about .about-hero__stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--amber);
}

.page-about .about-hero__unit {
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--slate);
}

.page-about .about-hero__stat-label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 品牌历程 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 24px;
}

.page-about .about-origin__copy p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .about-origin__copy .section__title {
  margin-top: 10px;
}

.page-about .about-origin__media {
  margin: 0;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-deep);
}

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

.page-about .about-origin__media .media__caption {
  padding: 10px 14px 12px;
  font-size: 12px;
  color: var(--slate);
  border-top: 1px solid var(--about-line);
}

/* ---------- 时间轴 ---------- */
.page-about .about-rail {
  position: relative;
  margin: 34px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .about-rail::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--copper-bright), rgba(55, 230, 212, 0.5) 72%, transparent);
}

.page-about .about-rail__item {
  position: relative;
  padding-bottom: 26px;
}

.page-about .about-rail__item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--copper-bright);
  box-shadow: 0 0 0 4px rgba(192, 138, 62, 0.12);
}

.page-about .about-rail__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-about .about-rail__title {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--mist);
}

.page-about .about-rail__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 固定分类玩家 ---------- */
.page-about .about-players__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-players__item {
  position: relative;
  padding: 18px 16px 18px 18px;
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(14, 36, 64, 0.72), rgba(5, 11, 20, 0.72));
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .about-players__item:hover,
.page-about .about-players__item:focus-within {
  transform: translateY(-2px);
  border-left-color: var(--neon);
}

.page-about .about-players__index {
  display: block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--copper-bright);
}

.page-about .about-players__name {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-about .about-players__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 团队与分工 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-about .about-team__media {
  margin: 0;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-deep);
}

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

.page-about .about-team__media .media__caption {
  padding: 10px 14px 12px;
  font-size: 12px;
  color: var(--slate);
  border-top: 1px solid var(--about-line);
}

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

.page-about .about-team__card {
  padding: 20px 18px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: var(--about-surface);
  transition: border-color 200ms var(--ease);
}

.page-about .about-team__card:hover {
  border-color: var(--about-copper-line);
}

.page-about .about-team__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.01em;
}

.page-about .about-team__unit {
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--slate);
}

.page-about .about-team__role {
  margin: 10px 0 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-about .about-team__card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__cols {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-about .about-partners__col {
  padding: 22px 20px;
  border: 1px solid var(--about-copper-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(192, 138, 62, 0.14), transparent 60%),
    linear-gradient(160deg, rgba(14, 36, 64, 0.9), rgba(5, 11, 20, 0.9));
}

.page-about .about-partners__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 600;
  line-height: 1;
  color: var(--copper-bright);
}

.page-about .about-partners__col-title {
  margin: 12px 0 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-partners__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-about .about-partners__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 资质与荣誉 ---------- */
.page-about .about-honors__grid {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-about .about-honors__media {
  margin: 0;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-deep);
}

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

.page-about .about-honors__media .media__caption {
  padding: 10px 14px 12px;
  font-size: 12px;
  color: var(--slate);
  border-top: 1px solid var(--about-line);
}

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

.page-about .about-honors__card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  background: var(--about-surface);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-about .about-honors__card:hover,
.page-about .about-honors__card:focus-within {
  transform: translateY(-2px);
  border-color: var(--neon);
  box-shadow: 0 10px 30px rgba(55, 230, 212, 0.1);
}

.page-about .about-honors__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-about .about-honors__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-about .about-honors__card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 服务区域与结算基准 ---------- */
.page-about .about-region__inner {
  display: grid;
  gap: 22px;
  padding: 26px 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(200deg, rgba(14, 36, 64, 0.85), rgba(5, 11, 20, 0.9));
}

.page-about .about-region__copy p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .about-region__copy .section__title {
  margin-top: 10px;
}

.page-about .about-region__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.page-about .about-region__fact {
  padding: 14px 12px 13px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: rgba(5, 11, 20, 0.6);
}

.page-about .about-region__fact-key {
  display: block;
  font-size: 12px;
  line-height: 1.5;
  color: var(--slate);
}

.page-about .about-region__fact-val {
  display: block;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--neon);
}

/* ---------- 结尾引导 ---------- */
.page-about .about-cta {
  padding-bottom: 46px;
}

.page-about .about-cta__inner {
  display: grid;
  gap: 18px;
  padding: 26px 20px;
  border: 1px solid var(--about-copper-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(110% 140% at 100% 100%, rgba(240, 138, 60, 0.16), transparent 58%),
    linear-gradient(150deg, rgba(14, 36, 64, 0.92), rgba(5, 11, 20, 0.95));
}

.page-about .about-cta__title {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-cta__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__frame {
    padding: 30px 26px 28px 30px;
  }

  .page-about .about-hero__frame h1 {
    font-size: 34px;
  }

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

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

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

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

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: 26px;
  }

  .page-about .about-hero__frame {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 34px;
    padding: 38px 36px 34px 42px;
  }

  .page-about .about-hero__frame h1 {
    font-size: 40px;
  }

  .page-about .about-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: center;
    margin-top: 0;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-rail {
    margin-top: 44px;
    padding-left: 34px;
  }

  .page-about .about-rail::before {
    left: 8px;
  }

  .page-about .about-rail__item {
    padding-bottom: 32px;
    max-width: 76ch;
  }

  .page-about .about-rail__item::before {
    left: -34px;
    width: 12px;
    height: 12px;
  }

  .page-about .about-rail__year {
    font-size: 22px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 26px;
    align-items: start;
  }

  .page-about .about-team__cards {
    grid-template-columns: 1fr;
  }

  .page-about .about-honors__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 26px;
    align-items: start;
  }

  .page-about .about-region__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 34px;
    padding: 34px 32px;
  }

  .page-about .about-region__facts {
    align-content: start;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 30px;
    padding: 32px 34px;
  }

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

@media (min-width: 1100px) {
  .page-about .about-hero__frame h1 {
    font-size: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-players__item,
  .page-about .about-honors__card,
  .page-about .about-team__card {
    transition: none;
  }

  .page-about .about-players__item:hover,
  .page-about .about-honors__card:hover {
    transform: none;
  }
}