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

.page-about .section {
  padding: 44px 0;
}

.page-about .media-frame img,
.page-about__local-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Hero 区域 */
.page-about__hero {
  position: relative;
  padding: 44px 0 52px;
  background: linear-gradient(135deg, var(--color-navy) 0%, #123a5c 55%, #0d2f4d 100%);
  color: var(--color-white);
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 60%, var(--color-highlight) 100%);
}

.page-about__hero::after {
  content: "";
  position: absolute;
  right: -70px;
  top: 24px;
  width: 220px;
  height: 220px;
  background: var(--color-primary);
  border-radius: 32px;
  opacity: 0.18;
  transform: rotate(24deg);
}

.page-about__hero .container {
  position: relative;
  z-index: 1;
}

.page-about__hero .breadcrumb {
  margin-bottom: 32px;
}

.page-about__hero .breadcrumb,
.page-about__hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.82);
}

.page-about__hero .breadcrumb a:hover,
.page-about__hero .breadcrumb a:focus-visible {
  color: var(--color-highlight);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-about__hero-copy {
  max-width: 800px;
}

.page-about__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-number);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-highlight);
}

.page-about__hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 44px;
  line-height: 1.05;
  color: var(--color-white);
  letter-spacing: 0.01em;
}

.page-about__lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}

.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-about__hero .btn-outline {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}

.page-about__hero .btn-outline:hover,
.page-about__hero .btn-outline:focus-visible {
  border-color: var(--color-highlight);
  color: var(--color-highlight);
}

.page-about__hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.page-about__stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 16px 8px;
  text-align: center;
  transition: background var(--transition), border-color var(--transition);
}

.page-about__stat:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 209, 0, 0.35);
}

.page-about__stat-num {
  display: block;
  font-family: var(--font-number);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-highlight);
}

.page-about__stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

/* 品牌故事 */
.page-about__story {
  background: var(--color-white);
}

.page-about__story-layout {
  display: grid;
  gap: 32px;
}

.page-about__story-media {
  position: relative;
}

.page-about__story-frame {
  box-shadow: 0 18px 40px rgba(10, 37, 64, 0.12);
}

.page-about__quote {
  margin: 16px 0 0;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 20px;
  text-align: center;
}

.page-about__story-copy .section-title {
  margin-bottom: 12px;
}

.page-about__story-copy h2,
.page-about__section-head h2,
.page-about__local-copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.2;
  color: var(--color-navy);
}

.page-about__story-copy p,
.page-about__local-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
}

.page-about__feature-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about__feature-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.page-about__feature-mark {
  flex: none;
  font-family: var(--font-number);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

.page-about__feature-list li span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text);
}

.page-about__feature-list strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  color: var(--color-navy);
}

/* 发展历程 */
.page-about__timeline-section {
  position: relative;
  background: linear-gradient(180deg, var(--color-bg) 0%, #eef2f5 100%);
}

.page-about__section-head {
  max-width: 700px;
  margin-bottom: 36px;
}

.page-about__section-head .section-title {
  margin-bottom: 10px;
}

.page-about__section-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
}

.page-about__section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.page-about__timeline-layout {
  display: grid;
  gap: 32px;
}

.page-about__timeline {
  display: flex;
  flex-direction: column;
}

.page-about__timeline-item {
  position: relative;
  padding: 0 0 36px 40px;
}

.page-about__timeline-item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: -4px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.page-about__timeline-item:last-child::before {
  display: none;
}

.page-about__timeline-node {
  position: absolute;
  left: 3px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-white);
  border: 5px solid var(--color-primary);
  box-shadow: 0 0 0 4px rgba(230, 0, 18, 0.14);
}

.page-about__timeline-item--now .page-about__timeline-node {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.18);
}

.page-about__timeline-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 2px 12px rgba(10, 37, 64, 0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-about__timeline-item--now .page-about__timeline-card {
  border-left-color: var(--color-accent);
}

.page-about__timeline-item:hover .page-about__timeline-card,
.page-about__timeline-item:focus-visible .page-about__timeline-card {
  transform: translateX(6px);
  border-left-color: var(--color-highlight);
  box-shadow: 0 10px 28px rgba(10, 37, 64, 0.12);
}

.page-about__timeline-year {
  margin: 0 0 4px;
  font-family: var(--font-number);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-about__timeline-item--now .page-about__timeline-year {
  color: var(--color-accent);
}

.page-about__timeline-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-navy);
}

.page-about__timeline-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
}

.page-about__timeline-card a,
.page-about__meta-links a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-about__timeline-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: start;
}

.page-about__timeline-img {
  box-shadow: 0 16px 36px rgba(10, 37, 64, 0.14);
}

.page-about__timeline-note {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-highlight);
  background: rgba(255, 209, 0, 0.14);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text);
}

/* 服务承诺 */
.page-about__commitment {
  background: var(--color-navy);
  color: var(--color-white);
}

.page-about__commitment .page-about__section-head .section-title {
  color: var(--color-white);
}

.page-about__commitment .page-about__section-head h2 {
  color: var(--color-white);
}

.page-about__commitment .page-about__section-head p {
  color: rgba(255, 255, 255, 0.8);
}

.page-about__commitment-grid {
  display: grid;
  gap: 16px;
}

.page-about__commitment-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about__commitment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.page-about__commitment-card--accent {
  background: linear-gradient(135deg, rgba(230, 0, 18, 0.92), rgba(255, 106, 0, 0.92));
  border-color: transparent;
}

.page-about__commitment-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-number);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-highlight);
}

.page-about__commitment-card--accent .page-about__commitment-num {
  color: var(--color-white);
}

.page-about__commitment-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-white);
}

.page-about__commitment-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

.page-about__commitment-bottom {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
}

/* 本地化服务 */
.page-about__local {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #fef3f1 0%, #ffffff 45%, #f2f5f7 100%);
  color: var(--color-navy);
}

.page-about__local-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
}

.page-about__landmark {
  position: absolute;
  right: -36px;
  bottom: -24px;
  height: 78%;
  width: auto;
}

.page-about__local-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.page-about__local-copy .section-title {
  margin-bottom: 10px;
}

.page-about__local-copy p {
  max-width: 620px;
}

.page-about__local-fans {
  position: relative;
  display: inline-block;
  max-width: 480px;
  margin-top: 20px;
}

.page-about__local-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(230, 0, 18, 0.18);
}

.page-about__local-slogan {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  text-align: center;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-size: 18px;
  letter-spacing: 0.04em;
  opacity: 1;
  transform: translateY(4px);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}

.page-about__local-cta {
  position: relative;
  align-self: end;
  overflow: hidden;
  background: var(--color-navy);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: var(--color-white);
}

.page-about__local-cta::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  transform: rotate(24deg);
}

.page-about__local-cta p {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.page-about__local-cta .btn {
  position: relative;
  z-index: 1;
}

/* 底部信息带 */
.page-about__meta-links {
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
}

.page-about__meta-links-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  font-size: 14px;
  color: var(--color-text);
}

.page-about__meta-links-inner p {
  margin: 0;
  line-height: 1.7;
}

.page-about__meta-links a:hover,
.page-about__meta-links a:focus-visible {
  color: var(--color-accent);
}

/* ===== 桌面响应式 ===== */
@media (min-width: 900px) {
  .page-about .section {
    padding: 72px 0;
  }

  .page-about__hero {
    padding: 88px 0 84px;
  }

  .page-about__hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 56px;
    align-items: center;
  }

  .page-about__hero h1 {
    font-size: 64px;
  }

  .page-about__hero-actions {
    margin-bottom: 0;
  }

  .page-about__stat {
    padding: 24px 12px;
  }

  .page-about__stat-num {
    font-size: 40px;
  }

  .page-about__story-layout {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }

  .page-about__story-copy h2,
  .page-about__section-head h2,
  .page-about__local-copy h2 {
    font-size: 34px;
  }

  .page-about__timeline-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
  }

  .page-about__section-head {
    margin-bottom: 48px;
  }

  .page-about__commitment-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about__commitment-num {
    font-size: 36px;
  }

  .page-about__local-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
  }

  .page-about__local-slogan {
    font-size: 20px;
  }

  .page-about__local-cta {
    padding: 36px 32px;
  }
}

/* ===== 悬停设备专属横幅动画 ===== */
@media (hover: hover) {
  .page-about__local-slogan {
    opacity: 0;
    transform: translateY(10px);
  }

  .page-about__local-fans:hover .page-about__local-slogan,
  .page-about__local-fans:focus-visible .page-about__local-slogan {
    opacity: 1;
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(230, 0, 18, 0.22);
  }
}