/* ============ 品牌故事 / about 页面专属 ============ */

.page-about {
  background: var(--snow);
  color: var(--ink);
}

.page-about .breadcrumb {
  margin-top: 24px;
}

/* ---- 源自赛场边 ---- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 88px;
  border-bottom: 12px solid var(--ink);
  background: linear-gradient(120deg, var(--desert-gold) 0%, var(--snow) 68%, var(--sky) 100%);
}

.page-about .about-hero::before {
  content: "2016";
  position: absolute;
  right: -30px;
  bottom: -46px;
  z-index: 0;
  font-family: var(--font-display);
  font-size: 220px;
  line-height: 1;
  letter-spacing: -6px;
  color: rgba(14, 22, 36, 0.07);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .about-hero .eyebrow {
  color: var(--night);
}

.page-about .about-hero__copy p {
  max-width: 56ch;
}

.page-about .about-hero__copy .lead {
  margin-top: 12px;
}

.page-about .about-hero__media {
  position: relative;
  margin: 0;
  border: 4px solid var(--ink);
  background: var(--night);
  box-shadow: 12px 12px 0 0 var(--night);
  overflow: hidden;
}

.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid var(--desert-gold);
  z-index: 2;
  pointer-events: none;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-hero__caption {
  padding: 10px 12px;
  background: var(--night);
  color: var(--snow);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .about-hero__stats {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
}

.page-about .about-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 132px;
  padding: 16px 20px;
  border: 3px solid var(--ink);
  background: rgba(248, 249, 247, 0.78);
  box-shadow: 6px 6px 0 0 var(--night);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.page-about .about-hero__stat:hover,
.page-about .about-hero__stat:focus-within {
  transform: translate(-3px, -3px);
  background: var(--snow);
  box-shadow: 10px 10px 0 0 var(--sunset);
}

/* ---- 关键里程碑 ---- */

.page-about .about-milestones {
  position: relative;
  padding: 72px 0 80px;
  border-bottom: 12px solid var(--ink);
  background-color: var(--night);
  background-image:
    radial-gradient(circle, rgba(212, 162, 78, 0.24) 1.5px, transparent 2px),
    radial-gradient(circle, rgba(107, 181, 201, 0.14) 2.5px, transparent 3px);
  background-size: 52px 52px, 104px 104px;
  background-position: 8px 8px, 24px 24px;
  transition: background-position 0.8s ease;
  color: var(--snow);
}

.page-about .about-milestones:hover {
  background-position: 20px 20px, 40px 40px;
}

.page-about .about-milestones__head {
  margin-bottom: 64px;
}

.page-about .about-milestones .eyebrow {
  color: var(--desert-gold);
}

.page-about .about-milestones .section-title {
  color: var(--snow);
}

.page-about .about-milestones .lead {
  color: rgba(248, 249, 247, 0.78);
}

/* 时间线：移动端左线 */
.page-about .about-timeline {
  position: relative;
  padding: 8px 0 16px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 44px;
  width: 4px;
  transform: translateX(-50%);
  background: var(--desert-gold);
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  align-items: start;
  margin-bottom: 56px;
}

.page-about .about-timeline__year {
  position: relative;
  z-index: 2;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border: 3px solid var(--ink);
  border-radius: 50%;
  background: var(--desert-gold);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  box-shadow: 4px 4px 0 0 var(--sunset);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-timeline__card {
  border: 2px solid rgba(212, 162, 78, 0.75);
  background: linear-gradient(135deg, #223a63 0%, #16263f 100%);
  padding: 20px 22px;
  box-shadow: 6px 6px 0 0 rgba(212, 162, 78, 0.28);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  color: var(--desert-gold);
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
}

.page-about .about-timeline__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(248, 249, 247, 0.85);
}

.page-about .about-timeline__item:hover .about-timeline__year,
.page-about .about-timeline__item:focus-within .about-timeline__year {
  background: var(--sunset);
  color: var(--snow);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 0 var(--desert-gold);
}

.page-about .about-timeline__item:hover .about-timeline__card {
  transform: translate(-2px, -2px);
  border-color: var(--desert-gold);
  box-shadow: 10px 10px 0 0 rgba(242, 126, 77, 0.5);
}

/* 里程碑底部件 */
.page-about .about-milestones__bottom {
  margin-top: 72px;
  display: grid;
  gap: 24px;
  align-items: center;
  border: 4px solid var(--desert-gold);
  background: rgba(22, 38, 63, 0.9);
  padding: 24px;
}

.page-about .about-milestones__bottom h3 {
  margin: 0 0 10px;
  color: var(--snow);
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
}

.page-about .about-milestones__bottom p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(248, 249, 247, 0.8);
}

.page-about .about-milestones__data {
  margin: 0;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 0 var(--desert-gold);
}

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

/* ---- 我们相信什么 ---- */

.page-about .about-values {
  position: relative;
  padding: 72px 0 80px;
  border-bottom: 12px solid var(--ink);
  background: var(--snow);
}

.page-about .about-values .lead {
  max-width: 560px;
}

.page-about .about-values__grid {
  margin-top: 40px;
  display: grid;
  gap: 24px;
}

.page-about .about-values__card {
  position: relative;
  border: 3px solid var(--ink);
  background: var(--snow);
  box-shadow: 8px 8px 0 0 var(--rock);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-values__card:hover,
.page-about .about-values__card:focus-within {
  transform: translate(-4px, -4px);
  border-color: var(--desert-gold);
  background: var(--snow);
  box-shadow: 12px 12px 0 0 var(--desert-gold);
}

.page-about .about-values__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border: 2px solid var(--ink);
  background: var(--night);
  color: var(--desert-gold);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-about .about-values__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
}

.page-about .about-values__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-values .mountain-stripes {
  margin-top: 64px;
}

.page-about .about-values__photo {
  margin: 48px 0 0;
  border: 6px solid var(--ink);
  box-shadow: 12px 12px 0 0 var(--rock);
}

.page-about .about-values__photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 11;
}

.page-about .about-values__photo figcaption {
  padding: 12px 16px;
  background: var(--night);
  color: var(--snow);
  font-size: 14px;
  line-height: 1.6;
}

/* ---- 今天与明天 ---- */

.page-about .about-today {
  padding: 72px 0 96px;
  border-bottom: 12px solid var(--ink);
  background: linear-gradient(145deg, var(--desert-gold) 0%, var(--snow) 60%);
}

.page-about .about-today__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-about .about-today__panel {
  border: 4px solid var(--ink);
  padding: 28px;
  box-shadow: 10px 10px 0 0 rgba(14, 22, 36, 0.25);
}

.page-about .about-today__stats {
  background: var(--night);
  color: var(--snow);
}

.page-about .about-today__stats .eyebrow {
  color: var(--desert-gold);
}

.page-about .about-today__stats .section-title {
  color: var(--snow);
}

.page-about .about-today__stats-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.page-about .about-today__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  border: 2px solid rgba(212, 162, 78, 0.6);
  background: rgba(248, 249, 247, 0.06);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-today__stat:hover,
.page-about .about-today__stat:focus-within {
  transform: translate(-2px, -2px);
  border-color: var(--desert-gold);
  background: rgba(248, 249, 247, 0.1);
}

.page-about .about-today__stat .stat-number {
  color: var(--desert-gold);
  font-size: 24px;
}

.page-about .about-today__stat .label-tag {
  color: rgba(248, 249, 247, 0.75);
  font-size: 12px;
  white-space: nowrap;
}

.page-about .about-today__note {
  margin: 32px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(212, 162, 78, 0.5);
  color: rgba(248, 249, 247, 0.75);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-today__future p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
}

.page-about .about-today__links {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---- 桌面断点 ---- */

@media (min-width: 768px) {
  .page-about .about-timeline__item {
    grid-template-columns: 1fr 100px 1fr;
    gap: 24px;
    align-items: start;
  }

  .page-about .about-timeline__item:nth-child(odd) .about-timeline__card {
    grid-column: 3;
    grid-row: 1;
    text-align: left;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
  }

  .page-about .about-timeline__year {
    grid-column: 2;
    grid-row: 1;
    width: 88px;
    height: 88px;
    font-size: 20px;
  }

  .page-about .about-timeline::before {
    left: 50%;
  }

  .page-about .about-milestones__bottom {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 32px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 72px 0 104px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-about .about-values__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .page-about .about-today__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
  }

  .page-about .about-today__panel {
    padding: 36px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-today__stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}