.page-about {
  --about-line: linear-gradient(180deg, var(--gold) 0%, var(--flame) 58%, rgba(255, 90, 31, 0) 100%);
  --about-body: rgba(244, 236, 225, 0.8);
  --about-body-soft: rgba(244, 236, 225, 0.68);
  background: var(--ink);
  color: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-about .about-top {
  padding-block: 36px 4px;
}

.page-about .about-top__grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-about .about-top h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 14px 0 18px;
  color: var(--bone);
  max-width: 20ch;
}

.page-about .about-top .lede {
  font-size: 16px;
  line-height: 1.78;
  color: var(--about-body);
  max-width: 62ch;
  margin: 0;
}

.page-about .about-top__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 22px 18px 18px;
  background: var(--glass);
  border: 1px solid var(--rule);
  border-radius: 1px;
}

.page-about .about-top__stats::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bronze), var(--gold) 46%, var(--flame));
}

.page-about .about-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 5vw, 30px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.page-about .about-stat__value--flame { color: var(--flame); }
.page-about .about-stat__value--gold { color: var(--gold); }

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 11.5px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--lime);
}

@media (min-width: 900px) {
  .page-about .about-top {
    padding-block: 52px 8px;
  }
  .page-about .about-top__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 56px;
    margin-top: 40px;
  }
  .page-about .about-top__stats {
    padding: 26px 22px 22px;
  }
}

/* ---------- 主体布局：窄栏目录 + 宽内容区 ---------- */
.page-about .about-main-section {
  padding-block: 48px 80px;
}

.page-about .about-layout {
  display: grid;
  gap: 36px;
}

.page-about .about-toc {
  display: none;
}

.page-about .about-toc .toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-about .about-toc .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-toc .toc__link {
  display: block;
  margin-left: -20px;
  padding: 4px 0 4px 18px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--lime);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .about-toc .toc__link:hover,
.page-about .about-toc .toc__link:focus-visible {
  color: var(--bone);
}

.page-about .about-toc .toc__link[aria-current="true"] {
  color: var(--flame);
  border-left-color: var(--flame);
}

@media (min-width: 980px) {
  .page-about .about-layout {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
  }
  .page-about .about-toc {
    display: block;
    position: sticky;
    top: 132px;
    padding-left: 20px;
    border-left: 1px solid var(--rule);
  }
  .page-about .about-main-section {
    padding-block: 64px 104px;
  }
}

/* ---------- 章节 ---------- */
.page-about .about-content {
  min-width: 0;
}

.page-about .about-chapter {
  padding: 46px 0 52px;
  border-top: 1px solid var(--rule);
}

.page-about .about-chapter:first-child {
  border-top: 0;
  padding-top: 2px;
}

.page-about .about-chapter .index-tag {
  color: var(--gold);
}

.page-about .about-chapter h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 10px 0 20px;
  max-width: 22ch;
  color: var(--bone);
}

.page-about .about-chapter p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--about-body);
  max-width: 66ch;
  margin: 0 0 16px;
}

.page-about .about-chapter > p:last-child {
  margin-bottom: 0;
}

/* ---------- 赛季时间轴 ---------- */
.page-about .season-timeline {
  position: relative;
  margin-top: 30px;
}

.page-about .season-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: var(--about-line);
}

.page-about .season-item {
  position: relative;
  padding-left: 42px;
  padding-bottom: 42px;
}

.page-about .season-item:last-child {
  padding-bottom: 0;
}

.page-about .season-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
  z-index: 1;
}

.page-about .season-item--current::before {
  background: var(--flame);
  border-color: var(--flame);
  box-shadow: 0 0 0 5px rgba(255, 90, 31, 0.16);
}

.page-about .season-item__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--flame);
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.page-about .season-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.32;
  color: var(--bone);
  margin: 0 0 10px;
}

.page-about .season-item__text {
  font-size: 15px;
  line-height: 1.78;
  color: var(--about-body-soft);
  max-width: 60ch;
  margin: 0;
}

.page-about .season-item__media {
  margin-top: 20px;
  max-width: 560px;
}

@media (min-width: 980px) {
  .page-about .season-item {
    padding-left: 50px;
    padding-bottom: 54px;
  }
  .page-about .season-item::before {
    left: 4px;
  }
  .page-about .season-timeline::before {
    left: 10px;
  }
}

/* ---------- 团队构成 ---------- */
.page-about .team-roster {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-about .team-roster__count {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  margin-bottom: 12px;
}

.page-about .team-roster__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--bone);
  margin: 0 0 8px;
}

.page-about .team-roster__desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--about-body-soft);
  margin: 0;
}

@media (min-width: 760px) {
  .page-about .team-roster {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 34px;
  }
  .page-about .team-roster__item {
    padding: 4px 24px;
    border-left: 1px solid var(--rule);
  }
  .page-about .team-roster__item:first-child {
    padding-left: 0;
    border-left: 0;
  }
  .page-about .team-roster__item:last-child {
    padding-right: 0;
  }
}

/* ---------- 比赛日节奏 ---------- */
.page-about .cadence-list {
  list-style: none;
  margin: 28px 0 22px;
  padding: 0;
}

.page-about .cadence-list__item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--rule);
}

.page-about .cadence-list__item:first-child {
  border-top: 1px dashed var(--rule);
}

.page-about .cadence-list__time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-about .cadence-list__body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--bone);
  margin: 0 0 5px;
}

.page-about .cadence-list__body p {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--about-body-soft);
  margin: 0;
  max-width: 62ch;
}

@media (min-width: 720px) {
  .page-about .cadence-list__item {
    grid-template-columns: 164px minmax(0, 1fr);
    align-items: baseline;
    gap: 0 30px;
    padding: 20px 0;
  }
}

/* ---------- 数据与译名 ---------- */
.page-about .about-notes {
  margin-top: 26px;
  border-top: 1px solid var(--rule);
}

.page-about .about-notes__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
}

.page-about .about-notes__key {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-about .about-notes__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ---------- 结尾品牌区 ---------- */
.page-about .about-closing {
  margin-top: 24px;
  background: var(--ink-deep);
}

.page-about .about-closing__media {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.page-about .about-closing__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  filter: saturate(0.72) brightness(0.72);
}

.page-about .about-closing__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 9, 8, 0.22) 0%, rgba(11, 9, 8, 0.72) 74%, var(--ink-deep) 100%);
}

.page-about .about-closing__inner {
  padding-block: 32px 68px;
}

.page-about .about-closing__inner h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 12px 0 18px;
  max-width: 24ch;
  color: var(--bone);
}

.page-about .about-closing__inner > p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--about-body-soft);
  max-width: 62ch;
  margin: 0 0 26px;
}

.page-about .about-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 16px 18px;
  background: var(--glass-strong);
  border-left: 3px solid var(--gold);
  margin-bottom: 26px;
}

.page-about .about-contact__label {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--lime);
  flex: 1 0 100%;
}

.page-about .about-contact__value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--bone);
  word-break: break-all;
}

.page-about .about-contact__btn {
  appearance: none;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--gold);
  font-family: inherit;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  padding: 7px 14px;
  border-radius: 1px;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .about-contact__btn:hover,
.page-about .about-contact__btn:focus-visible {
  color: var(--flame);
  border-color: var(--flame);
}

.page-about .about-contact__feedback {
  font-size: 12.5px;
  color: var(--jade);
  letter-spacing: 0.06em;
}

.page-about .about-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-about .about-closing__media {
    height: 320px;
  }
  .page-about .about-closing__inner {
    padding-block: 44px 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-toc .toc__link,
  .page-about .about-contact__btn {
    transition: none;
  }
}
</main>