/* ====== 品牌故事页专属样式 ====== */
.page-about {
  --about-shadow-deep: 8px 8px 0 rgba(10, 31, 68, 0.16);
  --about-shadow-orange: 10px 10px 0 rgba(255, 107, 0, 0.28);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  background-color: var(--color-deep);
  color: var(--color-text-inverse);
  padding: calc(var(--header-h) + 40px) 0 56px;
  overflow: hidden;
}
.page-about .about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 220px;
  height: 100%;
  background: linear-gradient(115deg, var(--color-primary) 0%, rgba(255,107,0,0) 78%);
  pointer-events: none;
}
.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}
.page-about .about-hero__grid {
  display: grid;
  gap: 40px;
  margin-top: 48px;
}
.page-about .about-hero__content .section-label {
  color: var(--color-neon);
}
.page-about .about-hero__content .page-hero__title {
  margin: 16px 0 20px;
  font-size: var(--size-h1);
}
.page-about .about-hero__content .page-hero__desc {
  max-width: 560px;
  color: rgba(255,255,255,0.8);
  font-size: 1.0625rem;
  line-height: 1.8;
}
.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  margin-top: 40px;
}
.page-about .about-hero__stat {
  min-width: 120px;
}
.page-about .about-hero__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 2.25rem;
  line-height: 1.1;
  color: var(--color-neon);
}
.page-about .about-hero__stat-label {
  display: block;
  margin-top: 4px;
  font-size: var(--size-small);
  color: rgba(255,255,255,0.66);
}
.page-about .about-hero__media {
  display: flex;
  align-items: center;
}
.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 3px solid var(--color-primary);
  box-shadow: 12px 12px 0 rgba(0,0,0,0.35);
}

/* ---------- 我们的起点 ---------- */
.page-about .about-origin {
  padding: 80px 0;
}
.page-about .about-origin__grid {
  display: grid;
  gap: 48px;
}
.page-about .about-origin__intro .section-title {
  margin: 14px 0 24px;
}
.page-about .about-origin__intro .lead {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.8;
}
.page-about .about-origin__intro p + p {
  margin-top: 16px;
}
.page-about .about-origin__intro .btn {
  margin-top: 28px;
}
.page-about .about-origin__principles {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-about .about-origin__card {
  position: relative;
  padding: 30px 26px 28px;
  background: var(--color-text-inverse);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-hard-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-about .about-origin__card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 10px 0 var(--color-text);
}
.page-about .about-origin__card-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 14px;
}

/* ---------- 发展里程碑 ---------- */
.page-about .about-milestone {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}
.page-about .about-milestone__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.13;
}
.page-about .about-milestone__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about .about-milestone .container {
  position: relative;
  z-index: 1;
}
.page-about .about-milestone__head {
  max-width: 680px;
}
.page-about .about-milestone__head .section-title {
  color: #fff;
  margin: 14px 0 18px;
}
.page-about .about-milestone__head .section-desc {
  color: rgba(255,255,255,0.7);
}
.page-about .about-milestone__track {
  position: relative;
  margin-top: 56px;
}
.page-about .about-milestone__item {
  position: relative;
  padding-left: 44px;
  padding-bottom: 40px;
}
.page-about .about-milestone__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 4px solid var(--color-bg-dark);
  box-shadow: 0 0 0 2px var(--color-primary);
  z-index: 2;
}
.page-about .about-milestone__item::after {
  content: '';
  position: absolute;
  left: 7px;
  top: 32px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-neon));
  opacity: 0.55;
}
.page-about .about-milestone__item:last-child::after {
  display: none;
}
.page-about .about-milestone__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.page-about .about-milestone__year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-neon);
}
.page-about .about-milestone__card {
  padding: 24px;
  border: 2px solid rgba(255,107,0,0.6);
  background: var(--color-surface-mid);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.page-about .about-milestone__card h3 {
  margin-bottom: 10px;
  font-family: var(--font-heading);
  font-size: var(--size-h3);
  font-weight: 900;
  color: #fff;
}
.page-about .about-milestone__card p {
  margin-bottom: 14px;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.76);
}
.page-about .about-milestone__item:hover .about-milestone__card {
  border-color: var(--color-neon);
  transform: translateY(-4px);
}
.page-about .about-milestone__hint {
  font-size: 0.8125rem;
  color: var(--color-primary);
}
.page-about .about-milestone__hint a {
  font-weight: 700;
  color: var(--color-neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 团队与规模 ---------- */
.page-about .about-team {
  padding: 80px 0;
}
.page-about .about-team__head {
  max-width: 660px;
  margin-bottom: 44px;
}
.page-about .about-team__head .section-title {
  color: #fff;
  margin: 14px 0 18px;
}
.page-about .about-team__head .section-desc {
  color: rgba(255,255,255,0.72);
}
.page-about .about-team__grid {
  display: grid;
  gap: 20px;
}
.page-about .about-team__card {
  padding: 28px 24px;
  border: 2px solid var(--color-grid);
  background: rgba(255,255,255,0.04);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.page-about .about-team__card:hover {
  border-color: var(--color-primary);
  transform: translateY(-6px);
}
.page-about .about-team__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--color-primary);
}
.page-about .about-team__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.page-about .about-team__card .card__title {
  margin-bottom: 10px;
  color: #fff;
  font-size: 1.25rem;
}
.page-about .about-team__card .card__body {
  color: rgba(255,255,255,0.72);
  font-size: 0.9375rem;
}
.page-about .about-team__card .card__body a {
  color: var(--color-neon);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .about-team__foot {
  margin-top: 44px;
  padding: 20px 24px;
  border-left: 4px solid var(--color-neon);
  background: rgba(200,255,0,0.06);
  color: rgba(255,255,255,0.85);
  font-size: 0.9375rem;
}
.page-about .about-team__foot a {
  color: var(--color-neon);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-honor {
  padding: 80px 0;
}
.page-about .about-honor__head {
  max-width: 720px;
  margin-bottom: 44px;
}
.page-about .about-honor__head .section-desc {
  margin-top: 18px;
}
.page-about .about-honor__grid {
  display: grid;
  gap: 48px;
}
.page-about .about-honor__stats {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-about .about-honor__stat-card {
  padding: 28px 24px;
  background: var(--color-text-inverse);
  border: 2px solid var(--color-deep);
  box-shadow: 6px 6px 0 rgba(10,31,68,0.12);
}
.page-about .about-honor__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 2rem;
  line-height: 1.2;
  color: var(--color-primary);
}
.page-about .about-honor__stat-label {
  display: block;
  margin: 6px 0 12px;
  font-weight: 700;
  color: var(--color-deep);
}
.page-about .about-honor__stat-card p {
  font-size: 0.9375rem;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 0;
}
.page-about .about-honor__badges {
  display: grid;
  gap: 28px;
}
.page-about .about-honor__badge {
  display: grid;
  gap: 24px;
  padding: 24px;
  background: var(--color-text-inverse);
  border: 2px solid var(--color-deep);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-about .about-honor__badge:hover {
  transform: translateY(-4px);
  box-shadow: 10px 10px 0 rgba(10,31,68,0.16);
}
.page-about .about-honor__badge-media {
  width: 132px;
  height: 132px;
  margin-inline: auto;
  border-radius: 50%;
  border: 3px solid var(--color-primary);
  overflow: hidden;
}
.page-about .about-honor__badge-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about .about-honor__seal {
  width: 132px;
  height: 132px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}
.page-about .about-honor__badge:hover .about-honor__seal {
  transform: rotate(-8deg) scale(1.04);
}
.page-about .about-honor__seal svg {
  width: 100%;
  height: 100%;
}
.page-about .about-honor__badge-body .tag {
  display: inline-block;
  margin-bottom: 12px;
}
.page-about .about-honor__badge-body h3 {
  margin-bottom: 10px;
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--color-text);
}
.page-about .about-honor__badge-body p {
  font-size: 0.9375rem;
  color: #4b5563;
  line-height: 1.7;
}
.page-about .about-honor__note {
  margin-top: 48px;
}
.page-about .about-honor__note a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 480px) {
  .page-about .about-hero__stats {
    gap: 48px;
  }
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: calc(var(--header-h) + 80px) 0 88px;
  }
  .page-about .about-hero__grid {
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: 56px;
  }
  .page-about .about-hero__content .page-hero__title {
    font-size: 3rem;
  }
  .page-about .about-origin {
    padding: 96px 0;
  }
  .page-about .about-origin__grid {
    grid-template-columns: 1fr 1.1fr;
    column-gap: 64px;
    align-items: start;
  }
  .page-about .about-origin__principles {
    padding-top: 36px;
    gap: 24px;
  }
  .page-about .about-origin__card:nth-child(2) {
    transform: translateX(20px);
  }
  .page-about .about-origin__card:nth-child(3) {
    transform: translateX(10px);
  }
  .page-about .about-origin__card:nth-child(2):hover {
    transform: translateX(20px) translateY(-4px);
  }
  .page-about .about-origin__card:nth-child(3):hover {
    transform: translateX(10px) translateY(-4px);
  }
  .page-about .about-milestone,
  .page-about .about-team,
  .page-about .about-honor {
    padding: 96px 0;
  }
  .page-about .about-team__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .page-about .about-honor__grid {
    grid-template-columns: 1fr 1.15fr;
    column-gap: 56px;
    align-items: start;
  }
  .page-about .about-honor__badge {
    grid-template-columns: 150px 1fr;
    align-items: center;
    gap: 28px;
  }
  .page-about .about-honor__badge-media,
  .page-about .about-honor__seal {
    margin-inline: 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-milestone__track::before {
    content: '';
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: 50%;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-neon));
    transform: translateX(-50%) skewX(-10deg);
    z-index: 1;
    opacity: 0.75;
  }
  .page-about .about-milestone__item {
    width: calc(50% - 40px);
    padding-left: 0;
  }
  .page-about .about-milestone__item:nth-child(odd) {
    margin-right: auto;
  }
  .page-about .about-milestone__item:nth-child(even) {
    margin-left: auto;
  }
  .page-about .about-milestone__item::before {
    left: auto;
    right: -46px;
    top: 18px;
    border-color: var(--color-bg-dark);
  }
  .page-about .about-milestone__item:nth-child(even)::before {
    right: auto;
    left: -46px;
  }
  .page-about .about-milestone__item::after {
    display: none;
  }
  .page-about .about-milestone__item:nth-child(odd) .about-milestone__meta {
    justify-content: flex-end;
  }
  .page-about .about-milestone__card {
    max-width: 460px;
  }
  .page-about .about-milestone__item:nth-child(odd) .about-milestone__card {
    margin-left: auto;
  }
  .page-about .about-milestone__item:nth-child(even) .about-milestone__card {
    margin-right: auto;
  }
  .page-about .about-team__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-origin__principles {
    gap: 32px;
  }
  .page-about .about-honor__badges {
    gap: 32px;
  }
}