/* ===== 品牌档案页面专属样式 ===== */
.page-about {
  --about-hero-line: linear-gradient(135deg, rgba(0, 255, 135, 0.06), transparent 40%);
  background-color: var(--bg-deep);
  color: var(--text);
  overflow-x: hidden;
}

/* 面包屑 */
.page-about .breadcrumb {
  padding: calc(var(--header-h) + 1rem) 0 0.75rem;
  border-bottom: 1px solid var(--line);
}

/* 英雄区 */
.page-about .about-hero {
  position: relative;
  padding: var(--space-xl) 0 var(--space-2xl);
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 255, 135, 0.08), transparent 40%),
    linear-gradient(180deg, var(--bg-deep), var(--bg-dark));
}

.page-about .about-hero__container {
  display: grid;
  gap: calc(var(--space-lg) * 1.25);
}

.page-about .about-hero__text {
  order: 1;
}

.page-about .about-hero__media {
  order: 0;
  aspect-ratio: 16 / 9;
  box-shadow: 0 0 0 1px var(--line), 0 24px 48px rgba(0, 0, 0, 0.3);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4.25rem);
  line-height: 1.08;
  font-style: italic;
  letter-spacing: 0.01em;
  margin: var(--space-md) 0 var(--space-md);
  text-transform: uppercase;
}

.page-about .about-hero__title::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 4px;
  background: var(--accent);
  margin-top: var(--space-sm);
  border-radius: 2px;
}

.page-about .about-hero__lead {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 36em;
}

.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.page-about .about-hero__stat {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius);
  min-width: 100px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-hero__stat:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.page-about .about-hero__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--accent);
  font-style: italic;
  line-height: 1;
}

.page-about .about-hero__stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  display: block;
  margin-top: 0.35rem;
}

/* 使命区 */
.page-about .about-mission {
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

.page-about .about-mission__head {
  margin-bottom: var(--space-xl);
}

.page-about .about-mission__grid {
  display: grid;
  gap: var(--space-xl);
}

.page-about .about-mission__text p {
  margin-bottom: 1rem;
}

.page-about .about-mission__text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-mission__side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.page-about .about-mission__card {
  background: linear-gradient(135deg, var(--panel), var(--bg-deep));
  border: 1px solid var(--line);
  padding: var(--space-lg);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.page-about .about-mission__card::after {
  content: "";
  position: absolute;
  right: -20%;
  bottom: -40%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(0, 255, 135, 0.1), transparent 70%);
  pointer-events: none;
}

.page-about .about-mission__card-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
}

.page-about .about-mission__card-text {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.4rem;
}

/* 发展历程 */
.page-about .about-journey {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-deep), var(--bg-dark) 50%);
}

.page-about .about-journey__head {
  margin-bottom: var(--space-xl);
}

.page-about .about-timeline {
  position: relative;
  padding-left: 2rem;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--line));
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.3rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 255, 135, 0.12);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  translate: -4px 0;
}

.page-about .about-timeline__item:hover::before {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 6px rgba(255, 106, 0, 0.18);
}

.page-about .about-timeline__year {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--accent);
  margin-bottom: 0.3rem;
  transition: color 0.2s ease;
}

.page-about .about-timeline__item:hover .about-timeline__year {
  color: var(--accent-2);
}

.page-about .about-timeline__content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.page-about .about-timeline__content p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* 团队 */
.page-about .about-team {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg-dark), var(--bg-deep) 60%);
}

.page-about .about-team__head {
  margin-bottom: var(--space-xl);
}

.page-about .about-team__layout {
  display: grid;
  gap: var(--space-xl);
}

.page-about .about-team__media {
  aspect-ratio: 5 / 3;
  box-shadow: 0 0 0 1px var(--line);
}

.page-about .about-team__text {
  padding: var(--space-md) 0;
}

.page-about .about-team__text p {
  margin-bottom: 1rem;
}

.page-about .about-team__text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-team__roles {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.page-about .about-role {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: var(--space-lg);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-role:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.page-about .about-role__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  background: var(--bg-deep);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-role:hover .about-role__icon {
  color: var(--accent-2);
  border-color: var(--accent-2);
}

.page-about .about-role h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.page-about .about-role p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* 资质认证 */
.page-about .about-cert {
  background: var(--bg-dark);
  border-top: 1px solid var(--line);
}

.page-about .about-cert__head {
  margin-bottom: var(--space-xl);
}

.page-about .about-cert__grid {
  display: grid;
  gap: var(--space-md);
}

.page-about .about-cert__item {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: var(--space-lg);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-cert__item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.page-about .about-cert__icon {
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.page-about .about-cert__item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

.page-about .about-cert__item p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* 荣誉 */
.page-about .about-honor {
  border-top: 1px solid var(--line);
}

.page-about .about-honor__head {
  margin-bottom: var(--space-xl);
}

.page-about .about-honor__grid {
  display: grid;
  gap: var(--space-xl);
}

.page-about .about-honor__text p {
  margin-bottom: 1rem;
}

.page-about .about-honor__text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-honor__media {
  aspect-ratio: 3 / 2;
  box-shadow: 0 0 0 1px var(--line);
}

.page-about .about-honor__list {
  margin-top: var(--space-xl);
  display: grid;
  gap: var(--space-md);
}

.page-about .about-honor__item {
  display: flex;
  gap: var(--space-md);
  background: linear-gradient(135deg, var(--panel), var(--bg-deep));
  border: 1px solid var(--line);
  padding: var(--space-lg);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-honor__item:hover {
  border-color: var(--accent-2);
  transform: translateY(-2px);
}

.page-about .about-honor__badge {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--accent-2);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.3rem 0.7rem;
  height: fit-content;
  line-height: 1;
}

.page-about .about-honor__item-text h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.page-about .about-honor__item-text p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* CTA */
.page-about .about-cta {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 106, 0, 0.08), transparent 55%),
    linear-gradient(180deg, var(--bg-deep), var(--panel));
  text-align: center;
}

.page-about .about-cta__inner {
  padding: var(--space-2xl) 0;
}

.page-about .about-cta__inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-style: italic;
  margin-bottom: var(--space-md);
}

.page-about .about-cta__inner p {
  color: var(--muted);
  margin-bottom: var(--space-lg);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

/* 图片响应式 */
.page-about .media-frame img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-about .about-hero__container {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 3rem;
  }

  .page-about .about-hero__text {
    order: 0;
  }

  .page-about .about-hero__media {
    order: 1;
    height: 100%;
    min-height: 420px;
  }

  .page-about .about-hero__title {
    font-size: 4.25rem;
  }

  .page-about .about-mission__grid {
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
  }

  .page-about .about-timeline {
    padding-left: 3rem;
    max-width: 52rem;
  }

  .page-about .about-timeline::before {
    left: 18px;
  }

  .page-about .about-timeline__item::before {
    left: -3.4rem;
    width: 28px;
    height: 28px;
    border-width: 4px;
    translate: -7px 0;
  }

  .page-about .about-timeline__year {
    font-size: 1.8rem;
  }

  .page-about .about-team__layout {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-team__roles {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  .page-about .about-cert__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  .page-about .about-honor__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-honor__list {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
  }

  .page-about .about-honor__item {
    flex-direction: column;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero__stats {
    gap: var(--space-sm);
  }

  .page-about .about-hero__stat {
    padding: var(--space-md) 1rem;
    min-width: 120px;
  }

  .page-about .about-mission__side {
    grid-template-columns: 1fr;
    align-content: start;
    gap: var(--space-md);
  }
}