/* ===== 品牌概况页专属样式 ===== */
.page-about {
  --about-number-size: 120px;
  --about-number-color: var(--accent-gold, #D4A843);
  --about-card-radius: 4px;
  --about-grid-gap: 24px;
  --about-max-width: 1120px;
  display: block;
  width: 100%;
  max-width: var(--about-max-width);
  margin: 0 auto;
  padding: 40px 20px 80px;
  font-family: var(--font-body, 'Open Sans', sans-serif);
  color: var(--text-dark, #333);
  position: relative;
}

/* 面包屑 */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.3px;
  margin-bottom: 48px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(212, 168, 67, 0.2);
}

.page-about .breadcrumb-link {
  color: var(--accent-gold, #D4A843);
  text-decoration: none;
  transition: color 0.2s;
}

.page-about .breadcrumb-link:hover {
  color: var(--accent-orange, #F26C4F);
}

.page-about .breadcrumb-sep {
  color: var(--accent-gold, #D4A843);
  opacity: 0.5;
  font-size: 10px;
}

.page-about .breadcrumb-current {
  color: var(--text-dark, #333);
  font-weight: 600;
}

/* 通用章节结构 */
.page-about .story-section {
  position: relative;
  padding: 60px 0 40px;
  margin-bottom: 16px;
}

.page-about .section-number-gold {
  position: absolute;
  top: 10px;
  left: 0;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: var(--about-number-size);
  font-weight: 700;
  line-height: 1;
  color: var(--about-number-color);
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-about .section-inner {
  position: relative;
  z-index: 1;
}

.page-about .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-gold, #D4A843);
  border: 1px solid var(--accent-gold, #D4A843);
  padding: 4px 12px 4px 8px;
  margin-bottom: 16px;
}

.page-about .tag-number {
  font-size: 14px;
  background: var(--accent-gold, #D4A843);
  color: #0A1D3F;
  padding: 0 6px;
  line-height: 1.6;
  font-weight: 700;
}

.page-about .section-heading {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.5px;
  color: var(--primary-dark, #0A1D3F);
  margin: 0 0 16px;
}

.page-about .section-desc {
  font-size: 16px;
  line-height: 1.7;
  color: #555;
  max-width: 640px;
  margin-bottom: 32px;
}

.page-about .section-lead {
  font-size: 17px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 16px;
}

.page-about .section-body {
  font-size: 15px;
  line-height: 1.8;
  color: #666;
}

/* ---- 01 品牌故事 ---- */
.page-about .story-brand {
  padding-top: 20px;
  margin-bottom: 40px;
}

.page-about .story-brand .section-inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-about .story-brand .section-text-col {
  flex: 1;
}

.page-about .story-brand .section-image-col {
  flex-shrink: 0;
}

.page-about .story-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid var(--accent-gold, #D4A843);
  border-radius: var(--about-card-radius);
  display: block;
  box-shadow: 0 4px 20px rgba(10, 29, 63, 0.08);
}

/* ---- 02 核心服务 ---- */
.page-about .story-services {
  background: var(--bg-light, #F5F5F5);
  margin-left: -20px;
  margin-right: -20px;
  padding-left: 20px;
  padding-right: 20px;
  border-top: 3px solid var(--accent-gold, #D4A843);
  border-bottom: 1px solid rgba(212, 168, 67, 0.15);
}

.page-about .story-services .section-header-block {
  margin-bottom: 32px;
}

.page-about .services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .service-card {
  background: var(--bg-white, #fff);
  border: 1px solid #e8e8e8;
  border-radius: var(--about-card-radius);
  padding: 28px 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  cursor: default;
}

.page-about .service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(10, 29, 63, 0.12);
  border-color: var(--accent-gold, #D4A843);
}

.page-about .card-front {
  position: relative;
  z-index: 1;
}

.page-about .card-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border: 2px solid var(--accent-gold, #D4A843);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.page-about .card-icon::before {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  background: var(--accent-gold, #D4A843);
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.page-about .card-icon-compare::before {
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 3H4v18h6V3zm10 0h-6v18h6V3z'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 3H4v18h6V3zm10 0h-6v18h6V3z'/%3E%3C/svg%3E");
}

.page-about .card-icon-review::before {
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 2L2 7v10l10 5 10-5V7L12 2zm0 3.3l6.2 3.1-6.2 3.1-6.2-3.1L12 5.3zM4 16.3V9.6l7 3.5v6.7l-7-3.5zm16 0l-7 3.5v-6.7l7-3.5v6.7z'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 2L2 7v10l10 5 10-5V7L12 2zm0 3.3l6.2 3.1-6.2 3.1-6.2-3.1L12 5.3zM4 16.3V9.6l7 3.5v6.7l-7-3.5zm16 0l-7 3.5v-6.7l7-3.5v6.7z'/%3E%3C/svg%3E");
}

.page-about .card-icon-expert::before {
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 12c2.2 0 4-1.8 4-4s-1.8-4-4-4-4 1.8-4 4 1.8 4 4 4zm0 2c-2.7 0-8 1.3-8 4v2h16v-2c0-2.7-5.3-4-8-4z'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 12c2.2 0 4-1.8 4-4s-1.8-4-4-4-4 1.8-4 4 1.8 4 4 4zm0 2c-2.7 0-8 1.3-8 4v2h16v-2c0-2.7-5.3-4-8-4z'/%3E%3C/svg%3E");
}

.page-about .card-title {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--primary-dark, #0A1D3F);
  margin: 0 0 10px;
}

.page-about .card-brief {
  font-size: 14px;
  line-height: 1.7;
  color: #666;
  margin: 0;
}

.page-about .card-detail {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed #ddd;
  font-size: 14px;
  line-height: 1.7;
  color: #555;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.page-about .service-card:hover .card-detail {
  max-height: 200px;
  opacity: 1;
}

.page-about .btn-link {
  display: inline-block;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--accent-gold, #D4A843);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
  margin-top: 8px;
}

.page-about .btn-link:hover {
  color: var(--accent-orange, #F26C4F);
  border-bottom-color: var(--accent-orange, #F26C4F);
}

/* ---- 02b 服务视觉配图 ---- */
.page-about .story-services-visual {
  padding-top: 0;
  margin-top: -16px;
}

.page-about .visual-card {
  position: relative;
}

.page-about .visual-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--about-card-radius);
  display: block;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 16px rgba(10, 29, 63, 0.06);
}

.page-about .visual-caption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  font-size: 13px;
  color: #888;
  border-left: 3px solid var(--accent-gold, #D4A843);
  padding-left: 12px;
}

.page-about .caption-number {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-gold, #D4A843);
}

.page-about .caption-text {
  font-style: italic;
}

/* ---- 03 数据驱动 ---- */
.page-about .story-data {
  background: var(--primary-dark, #0A1D3F);
  margin-left: -20px;
  margin-right: -20px;
  padding-left: 20px;
  padding-right: 20px;
  padding-top: 80px;
  padding-bottom: 60px;
  color: var(--text-primary, #E0E0E0);
  border-top: 3px solid var(--accent-gold, #D4A843);
  position: relative;
}

.page-about .story-data .section-number-gold {
  opacity: 0.06;
  color: var(--accent-gold, #D4A843);
}

.page-about .story-data .section-tag {
  border-color: rgba(212, 168, 67, 0.5);
}

.page-about .story-data .section-heading {
  color: #fff;
}

.page-about .story-data .section-desc {
  color: rgba(224, 224, 224, 0.85);
}

.page-about .story-data .section-desc,
.page-about .story-data .data-text p {
  color: rgba(224, 224, 224, 0.85);
}

.page-about .story-data .btn-link {
  color: var(--accent-gold, #D4A843);
}

.page-about .story-data .btn-link:hover {
  color: var(--accent-orange, #F26C4F);
}

.page-about .data-showcase {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-about .data-chart {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 168, 67, 0.15);
  border-radius: var(--about-card-radius);
  padding: 28px 20px;
}

.page-about .chart-bar-group {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-about .chart-bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  transition: opacity 0.2s;
}

.page-about .chart-bar-item:hover {
  opacity: 0.9;
}

.page-about .chart-bar-item:hover .bar-fill {
  background: var(--accent-orange, #F26C4F);
}

.page-about .bar-label {
  flex-shrink: 0;
  width: 80px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(224, 224, 224, 0.9);
  text-align: right;
}

.page-about .bar-track {
  flex: 1;
  height: 14px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.page-about .bar-fill {
  display: block;
  height: 100%;
  background: var(--accent-gold, #D4A843);
  border-radius: 2px;
  transition: background 0.3s ease, width 0.6s ease;
}

.page-about .bar-value {
  flex-shrink: 0;
  width: 40px;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-gold, #D4A843);
}

.page-about .chart-note {
  margin-top: 24px;
  font-size: 12px;
  color: rgba(224, 224, 224, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
}

.page-about .data-text p {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ---- 04 本地视角 ---- */
.page-about .story-local {
  padding-top: 60px;
}

.page-about .local-showcase {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-about .local-image-block {
  position: relative;
  flex-shrink: 0;
}

.page-about .local-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--about-card-radius);
  display: block;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 16px rgba(10, 29, 63, 0.06);
}

.page-about .local-img-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--primary-dark, #0A1D3F);
  color: var(--accent-gold, #D4A843);
  padding: 4px 12px;
  border: 1px solid var(--accent-gold, #D4A843);
}

.page-about .local-text-block {
  flex: 1;
}

.page-about .local-exhibit-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-about .exhibit-number {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-gold, #D4A843);
  text-transform: uppercase;
}

.page-about .exhibit-line {
  flex: 1;
  height: 1px;
  background: var(--accent-gold, #D4A843);
  opacity: 0.3;
}

.page-about .local-subheading {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--primary-dark, #0A1D3F);
  margin: 0 0 14px;
  letter-spacing: 0.3px;
}

.page-about .local-text-block p {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 14px;
}

/* ---- 底部联系提示 ---- */
.page-about .story-connect {
  padding: 40px 0 20px;
  border-top: 1px solid rgba(212, 168, 67, 0.2);
  margin-top: 32px;
}

.page-about .connect-block {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-light, #F5F5F5);
  padding: 24px 28px;
  border-left: 4px solid var(--accent-gold, #D4A843);
}

.page-about .connect-number {
  font-family: var(--font-heading, 'Oswald', sans-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-gold, #D4A843);
  line-height: 1;
  flex-shrink: 0;
}

.page-about .connect-text {
  font-size: 14px;
  line-height: 1.7;
  color: #555;
  margin: 0;
}

.page-about .connect-link {
  color: var(--accent-gold, #D4A843);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.page-about .connect-link:hover {
  color: var(--accent-orange, #F26C4F);
  border-bottom-color: var(--accent-orange, #F26C4F);
}

.page-about .connect-info {
  font-weight: 600;
  color: var(--primary-dark, #0A1D3F);
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-about {
    padding: 48px 40px 100px;
  }

  .page-about .story-brand .section-inner {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }

  .page-about .story-brand .section-text-col {
    flex: 1.1;
  }

  .page-about .story-brand .section-image-col {
    flex: 0.9;
  }

  .page-about .story-image {
    max-width: 600px;
  }

  .page-about .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .service-card {
    padding: 32px 28px;
  }

  .page-about .data-showcase {
    flex-direction: row;
    gap: 48px;
    align-items: flex-start;
  }

  .page-about .data-chart {
    flex: 1;
    padding: 32px 28px;
  }

  .page-about .data-text {
    flex: 1;
    padding-top: 8px;
  }

  .page-about .local-showcase {
    flex-direction: row;
    gap: 48px;
    align-items: center;
  }

  .page-about .local-image-block {
    flex: 1;
  }

  .page-about .local-text-block {
    flex: 1;
  }

  .page-about .story-services,
  .page-about .story-data {
    margin-left: -40px;
    margin-right: -40px;
    padding-left: 40px;
    padding-right: 40px;
  }

  .page-about .story-data {
    padding-top: 100px;
    padding-bottom: 80px;
  }

  .page-about .section-number-gold {
    font-size: 160px;
    top: -10px;
  }

  .page-about .section-heading {
    font-size: 42px;
  }

  .page-about .section-tag {
    font-size: 14px;
  }

  .page-about .breadcrumb {
    font-size: 14px;
    margin-bottom: 64px;
  }

  .page-about .story-connect {
    padding: 48px 0 24px;
  }

  .page-about .connect-block {
    padding: 28px 36px;
  }
}

@media (min-width: 1200px) {
  .page-about {
    padding: 60px 80px 120px;
  }

  .page-about .story-services,
  .page-about .story-data {
    margin-left: -80px;
    margin-right: -80px;
    padding-left: 80px;
    padding-right: 80px;
  }

  .page-about .section-number-gold {
    font-size: 200px;
  }
}