/* ============ 品牌理念页 /values/ ============ */
.page-about {
  --about-gap: 26px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--edge);
  background:
    radial-gradient(130% 100% at 86% 0%, rgba(59, 255, 155, 0.13), transparent 58%),
    linear-gradient(180deg, #0C1D38 0%, #050B18 78%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background: repeating-linear-gradient(0deg, rgba(220, 237, 247, 0.05) 0 1px, transparent 1px 4px);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 30px;
  padding-bottom: 38px;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 20ch;
}

.page-about .about-hero__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 6px;
  margin-top: 22px;
  background: var(--signal);
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* 三段式数据小结条 */
.page-about .about-summary {
  position: relative;
  z-index: 1;
  border-top: var(--edge);
  background: rgba(12, 29, 56, 0.78);
}

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

.page-about .about-summary__item {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 16px 0;
  border-bottom: 2px solid var(--steel);
}

.page-about .about-summary__item:last-child {
  border-bottom: 0;
}

.page-about .about-summary__value {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--signal);
}

.page-about .about-summary__value--orange {
  color: var(--orange);
}

.page-about .about-summary__label {
  flex: 1 1 140px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 我们为球迷做的事 ---------- */
.page-about .about-focus {
  background: var(--ink);
}

.page-about .about-focus__intro p {
  max-width: 52ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-about .about-focus__intro p strong {
  color: var(--signal);
  font-weight: 600;
}

.page-about .about-focus__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .about-focus__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-about .about-focus__item {
  padding: 16px 18px 18px;
  background: var(--panel);
  border: var(--edge);
  margin-top: -2px;
  transition: box-shadow var(--ease), transform var(--ease);
}

.page-about .about-focus__item:first-child {
  margin-top: 0;
}

.page-about .about-focus__item:hover,
.page-about .about-focus__item:focus-within {
  position: relative;
  z-index: 1;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-soft);
}

.page-about .about-focus__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-focus__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 覆盖规模与更新节奏 ---------- */
.page-about .about-scale {
  border-top: var(--edge);
  background: linear-gradient(180deg, #050B18 0%, #0A1728 100%);
}

.page-about .about-scale__grid {
  display: grid;
  gap: 24px;
}

.page-about .about-scale__media {
  margin: 0;
}

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

.page-about .about-scale__stat {
  padding: 18px 16px 20px;
  background: var(--panel);
  border-top: 2px solid var(--steel);
  border-left: 2px solid var(--steel);
}

.page-about .about-scale__stat:nth-child(odd) {
  border-left: 0;
}

.page-about .about-scale__stat:nth-child(-n + 2) {
  border-top: 0;
}

.page-about .about-scale__num {
  display: block;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(40px, 10vw, 60px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--signal);
}

.page-about .about-scale__stat:nth-child(2) .about-scale__num {
  color: var(--orange);
}

.page-about .about-scale__stat:nth-child(4) .about-scale__num {
  color: var(--violet);
}

.page-about .about-scale__unit {
  display: block;
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--frost);
}

.page-about .about-scale__stat p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 数据来源与复核 ---------- */
.page-about .about-source {
  background: var(--ink);
}

.page-about .about-source__grid {
  gap: 26px;
}

.page-about .about-source__table-wrap {
  overflow-x: auto;
}

.page-about .about-source__media {
  margin: 0;
}

/* ---------- 产品迭代历程 ---------- */
.page-about .about-timeline {
  border-top: var(--edge);
  background:
    linear-gradient(180deg, rgba(122, 92, 255, 0.06), transparent 320px),
    var(--ink);
}

.page-about .milestones {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
}

.page-about .milestones::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--steel);
}

.page-about .milestone {
  position: relative;
  padding: 0 0 24px 34px;
}

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

.page-about .milestone__node {
  position: absolute;
  left: 0;
  top: 14px;
  width: 20px;
  height: 20px;
  background: var(--ink);
  border: 2px solid var(--signal);
  transition: background var(--ease);
}

.page-about .milestone__card {
  padding: 18px 18px 20px;
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--ease), transform var(--ease);
}

.page-about .milestone:hover .milestone__card,
.page-about .milestone:focus-within .milestone__card {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.page-about .milestone:hover .milestone__node {
  background: var(--signal);
}

.page-about .milestone__year {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-about .milestone__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-about .milestone__text {
  margin: 0;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .milestone__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
}

/* ---------- 团队与协作生态 ---------- */
.page-about .about-collab {
  background: var(--ink);
}

.page-about .collab__wrap {
  display: grid;
  gap: 26px;
}

.page-about .collab__main {
  min-width: 0;
}

.page-about .collab__main .tabs__panel h3 {
  margin: 18px 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-about .collab__main .tabs__panel p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .collab__facts {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .collab__facts li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-about .collab__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

.page-about .collab__media {
  margin: 0;
}

/* ---------- 长期服务承诺 ---------- */
.page-about .about-promise {
  border-top: var(--edge);
  background: linear-gradient(180deg, #0A1728 0%, #050B18 100%);
}

.page-about .about-promise__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-promise__lead p {
  max-width: 52ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-promise__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

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

.page-about .about-promise__item {
  position: relative;
  padding: 18px 18px 20px 62px;
  background: var(--panel);
  border: var(--edge);
  transition: box-shadow var(--ease), transform var(--ease);
}

.page-about .about-promise__item:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-soft);
}

.page-about .about-promise__idx {
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--signal-dim);
}

.page-about .about-promise__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-promise__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 收束数据带 ---------- */
.page-about .about-band {
  border-top: var(--edge);
  background: rgba(12, 29, 56, 0.85);
}

.page-about .about-band__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-about .about-band__cell {
  padding: 13px 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
  border-bottom: 2px solid var(--steel);
}

.page-about .about-band__cell:last-child {
  border-bottom: 0;
}

.page-about .about-band__cell:first-child {
  color: var(--signal);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 768px) {
  .page-about .about-hero__inner {
    padding-top: 46px;
    padding-bottom: 54px;
  }

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

  .page-about .about-summary__item {
    padding: 22px 24px;
    border-bottom: 0;
    border-left: 2px solid var(--steel);
  }

  .page-about .about-summary__item:first-child {
    padding-left: 0;
    border-left: 0;
  }

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

  .page-about .about-band__cell {
    padding: 14px 20px;
    border-bottom: 0;
    border-left: 2px solid var(--steel);
  }

  .page-about .about-band__cell:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .about-focus__grid {
    align-items: start;
    gap: 44px;
  }

  .page-about .about-scale__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
    gap: 32px;
  }

  .page-about .about-source__grid {
    align-items: start;
    gap: 36px;
  }

  /* 纵向交替时间轴 */
  .page-about .milestones {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 56px;
    row-gap: 4px;
  }

  .page-about .milestones::before {
    left: calc(50% - 1px);
  }

  .page-about .milestone {
    padding: 0 0 34px;
  }

  .page-about .milestone:nth-child(odd) {
    grid-column: 1;
  }

  .page-about .milestone:nth-child(even) {
    grid-column: 2;
  }

  .page-about .milestone__node {
    left: auto;
    right: -38px;
    top: 16px;
  }

  .page-about .milestone:nth-child(even) .milestone__node {
    left: -38px;
    right: auto;
  }

  .page-about .collab__wrap {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
    gap: 40px;
  }

  .page-about .collab__media {
    position: sticky;
    top: 104px;
  }

  .page-about .about-promise__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
    gap: 48px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-scale__num {
    font-size: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-focus__item,
  .page-about .milestone__card,
  .page-about .milestone__node,
  .page-about .about-promise__item {
    transition: none;
  }

  .page-about .about-focus__item:hover,
  .page-about .about-focus__item:focus-within,
  .page-about .milestone:hover .milestone__card,
  .page-about .about-promise__item:hover {
    transform: none;
  }
}
<<<END>>>