.page-about {
  --about-hero-bg-start: #0D1117;
  --about-hero-bg-end: #161B22;
  --about-shape-red: #E63946;
  --about-shape-blue: #1D3557;
  --about-shape-yellow: #F4A261;
  --about-card-border: #30363D;
  --about-stat-bg: rgba(22, 27, 34, 0.7);
  --about-trust-border: rgba(244, 162, 97, 0.3);

  max-width: var(--max-width-content, 1280px);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  position: relative;
  color: var(--color-text-primary, #E6EDF3);
}

/* ==============================
   面包屑
   ============================== */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-text-secondary, #8B949E);
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border, #30363D);
}

.page-about .breadcrumb-link {
  color: var(--color-text-secondary, #8B949E);
  text-decoration: none;
  transition: color var(--transition-speed, 0.25s);
}

.page-about .breadcrumb-link:hover,
.page-about .breadcrumb-link:focus-visible {
  color: var(--color-accent-yellow, #F4A261);
}

.page-about .breadcrumb-sep {
  color: var(--color-primary-red, #E63946);
  font-size: 0.6rem;
  opacity: 0.6;
}

.page-about .breadcrumb-current {
  color: var(--color-accent-yellow, #F4A261);
  font-weight: 600;
}

/* ==============================
   首屏：分屏海报
   ============================== */
.page-about .about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
  position: relative;
  padding-bottom: 2rem;
}

.page-about .about-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -1.5rem;
  right: -1.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--about-shape-red), var(--about-shape-blue), transparent);
}

.page-about .about-hero-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 2;
}

.page-about .about-hero-kicker {
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  letter-spacing: 0.15em;
  color: var(--color-accent-yellow, #F4A261);
  text-transform: uppercase;
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(244, 162, 97, 0.3);
  width: fit-content;
}

.page-about .about-hero-title {
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  line-height: 0.9;
  color: var(--color-text-primary, #E6EDF3);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, #E6EDF3 40%, var(--about-shape-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-about .about-hero-subtitle {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-lg, 1.25rem);
  line-height: 1.6;
  color: var(--color-text-secondary, #8B949E);
  max-width: 36ch;
  margin: 0.5rem 0 0.5rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* ==============================
   首屏 SVG 视觉（纯 CSS几何 + 占位图替代）
   ============================== */
.page-about .about-hero-visual {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 70% 40%, rgba(29, 53, 87, 0.3), transparent 70%);
  border-radius: var(--border-radius-lg, 12px);
  border: 1px solid var(--color-border, #30363D);
}

/* 使用占位图片作为视觉主体 */
.page-about .about-hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('{zhanqunpic:h:500w:600}') center/cover no-repeat;
  opacity: 0.85;
  transition: transform 0.4s ease;
  z-index: 1;
}

.page-about .about-hero-visual:hover::before {
  transform: scale(1.02);
}

/* 几何叠加层 */
.page-about .about-svg-shape {
  position: absolute;
  border-radius: 50%;
  z-index: 2;
  transition: transform 0.5s ease, opacity 0.5s ease;
  pointer-events: auto;
  cursor: default;
}

.page-about .about-svg-shape--1 {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle at 30% 30%, var(--about-shape-red), rgba(230, 57, 70, 0.2));
  top: 8%;
  right: 12%;
  opacity: 0.7;
  mix-blend-mode: screen;
}

.page-about .about-svg-shape--2 {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 70% 70%, var(--about-shape-blue), rgba(29, 53, 87, 0.1));
  bottom: 15%;
  left: 10%;
  opacity: 0.6;
  mix-blend-mode: screen;
}

.page-about .about-svg-shape--3 {
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at 50% 50%, var(--about-shape-yellow), transparent);
  top: 55%;
  left: 55%;
  opacity: 0.5;
  mix-blend-mode: overlay;
}

.page-about .about-svg-shape--1:hover,
.page-about .about-svg-shape--2:hover,
.page-about .about-svg-shape--3:hover {
  transform: rotate(12deg) scale(1.08);
}

.page-about .about-svg-shape:focus-visible {
  outline: 2px solid var(--about-shape-yellow);
  outline-offset: 4px;
}

/* 粒子点阵 */
.page-about .about-svg-dots {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    radial-gradient(circle, var(--about-shape-yellow) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.15;
  pointer-events: none;
}

/* 中心标签 */
.page-about .about-svg-label {
  position: absolute;
  z-index: 3;
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: 3.5rem;
  color: var(--color-text-primary, #E6EDF3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.15;
  transform: rotate(-6deg);
  pointer-events: none;
  text-shadow: 0 0 30px rgba(230, 57, 70, 0.3);
}

/* ==============================
   通用章节结构
   ============================== */
.page-about .about-section {
  margin-bottom: 4rem;
  position: relative;
}

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

.page-about .about-section-header {
  margin-bottom: 2.5rem;
  position: relative;
}

.page-about .about-section-title {
  font-size: var(--font-size-4xl, 2.2rem);
  margin: 0.75rem 0 0.5rem;
  color: var(--color-text-primary, #E6EDF3);
  position: relative;
  display: inline-block;
}

.page-about .about-section-title::before {
  content: '//';
  color: var(--color-primary-red, #E63946);
  margin-right: 0.5rem;
  font-weight: 400;
  opacity: 0.7;
}

.page-about .about-section-desc {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-md, 1rem);
  line-height: 1.7;
  color: var(--color-text-secondary, #8B949E);
  max-width: 60ch;
  margin-top: 0.5rem;
}

.page-about .tag-red {
  background: var(--color-primary-red, #E63946);
  color: #fff;
  padding: 0.2rem 0.8rem;
  font-size: var(--font-size-sm, 0.875rem);
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-block;
  border-radius: 2px;
}

/* ==============================
   品牌服务 —— 三卡片 + 配图
   ============================== */
.page-about .about-services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.page-about .about-service-card {
  background: var(--color-surface-dark, #161B22);
  border: 1px solid var(--about-card-border);
  border-radius: var(--border-radius-md, 8px);
  padding: 1.75rem 1.5rem;
  transition: border-color var(--transition-speed, 0.25s), transform var(--transition-speed, 0.25s), box-shadow var(--transition-speed, 0.25s);
  position: relative;
  overflow: hidden;
}

.page-about .about-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-primary-red, #E63946);
  transition: width var(--transition-speed, 0.25s) ease;
}

.page-about .about-service-card:hover {
  border-color: var(--about-shape-yellow);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.page-about .about-service-card:hover::before {
  width: 6px;
  background: var(--about-shape-yellow);
}

.page-about .about-service-card:focus-within {
  border-color: var(--about-shape-yellow);
  outline: none;
  box-shadow: 0 0 0 2px rgba(244, 162, 97, 0.3);
}

.page-about .about-service-card-icon {
  margin-bottom: 1rem;
  width: 48px;
  height: 48px;
}

.page-about .about-service-card-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-about .about-service-card-title {
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: var(--font-size-xl, 1.563rem);
  color: var(--color-text-primary, #E6EDF3);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-about .about-service-card-text {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.6;
  color: var(--color-text-secondary, #8B949E);
  margin: 0 0 1rem;
}

.page-about .about-service-card-tag {
  display: inline-block;
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.75rem;
  color: var(--about-shape-yellow);
  background: rgba(244, 162, 97, 0.1);
  padding: 0.2rem 0.7rem;
  border-radius: 2px;
  border: 1px solid rgba(244, 162, 97, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* 服务配图 */
.page-about .about-services-figure {
  margin: 0;
  border-radius: var(--border-radius-md, 8px);
  overflow: hidden;
  border: 1px solid var(--color-border, #30363D);
  background: var(--color-surface-dark, #161B22);
  position: relative;
}

.page-about .about-services-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.page-about .about-services-figure:hover .about-services-img {
  transform: scale(1.02);
}

.page-about .about-services-caption {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-text-secondary, #8B949E);
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--color-border, #30363D);
  font-style: italic;
}

/* ==============================
   本地化承诺 —— 数据 + 地图
   ============================== */
.page-about .about-local-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

.page-about .about-local-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-about .about-local-stat {
  background: var(--about-stat-bg);
  border-left: 3px solid var(--color-primary-red, #E63946);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--border-radius-sm, 4px) var(--border-radius-sm, 4px) 0;
  transition: border-color var(--transition-speed, 0.25s), background var(--transition-speed, 0.25s);
}

.page-about .about-local-stat:hover {
  border-left-color: var(--about-shape-yellow);
  background: rgba(22, 27, 34, 0.9);
}

.page-about .about-local-stat-num {
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: 2.8rem;
  line-height: 1;
  color: var(--color-primary-red, #E63946);
  display: block;
  margin-bottom: 0.25rem;
}

.page-about .about-local-stat-label {
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: var(--font-size-xl, 1.563rem);
  color: var(--color-text-primary, #E6EDF3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 0.35rem;
}

.page-about .about-local-stat-desc {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.6;
  color: var(--color-text-secondary, #8B949E);
  margin: 0;
}

/* 联系块 */
.page-about .about-local-contact {
  margin-top: 0.5rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border, #30363D);
  border-radius: var(--border-radius-md, 8px);
  background: var(--color-surface-dark, #161B22);
}

.page-about .about-local-contact-label {
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: var(--font-size-lg, 1.25rem);
  color: var(--color-accent-yellow, #F4A261);
  text-transform: uppercase;
  margin: 0 0 0.75rem;
  letter-spacing: 0.06em;
}

.page-about .about-local-contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-about .about-local-contact-item {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-text-secondary, #8B949E);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-about .about-local-contact-icon {
  width: 1.2rem;
  text-align: center;
  flex-shrink: 0;
}

.page-about .about-local-contact-link {
  color: var(--color-text-primary, #E6EDF3);
  text-decoration: none;
  transition: color var(--transition-speed, 0.25s);
}

.page-about .about-local-contact-link:hover,
.page-about .about-local-contact-link:focus-visible {
  color: var(--color-accent-yellow, #F4A261);
}

.page-about .about-local-contact-note {
  font-size: 0.75rem;
  color: var(--color-text-secondary, #8B949E);
  font-style: italic;
  margin: 0;
  opacity: 0.8;
}

/* 本地配图 */
.page-about .about-local-figure {
  margin: 0;
  border-radius: var(--border-radius-md, 8px);
  overflow: hidden;
  border: 1px solid var(--color-border, #30363D);
  background: var(--color-surface-dark, #161B22);
  position: relative;
}

.page-about .about-local-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.page-about .about-local-figure:hover .about-local-img {
  transform: scale(1.02);
}

.page-about .about-local-caption {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-text-secondary, #8B949E);
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--color-border, #30363D);
  font-style: italic;
}

/* ==============================
   信任区块
   ============================== */
.page-about .about-section--trust {
  margin-bottom: 2rem;
}

.page-about .about-trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 2.5rem 2rem;
  border: 1px solid var(--about-trust-border);
  border-radius: var(--border-radius-lg, 12px);
  background: radial-gradient(ellipse at 50% 30%, rgba(230, 57, 70, 0.05), transparent 70%);
  text-align: center;
}

.page-about .about-trust-icon {
  width: 64px;
  height: 64px;
  transition: transform 0.4s ease;
}

.page-about .about-trust-badge:hover .about-trust-icon {
  transform: rotate(-6deg) scale(1.05);
}

.page-about .about-trust-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-about .about-trust-title {
  font-family: var(--font-headings, 'Bebas Neue', sans-serif);
  font-size: var(--font-size-2xl, 1.5rem);
  color: var(--color-text-primary, #E6EDF3);
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  letter-spacing: 0.06em;
}

.page-about .about-trust-desc {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.7;
  color: var(--color-text-secondary, #8B949E);
  margin: 0;
  max-width: 45ch;
}

.page-about .about-trust-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.page-about .about-trust-link {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-accent-yellow, #F4A261);
  text-decoration: none;
  transition: color var(--transition-speed, 0.25s);
  padding: 0.2rem 0;
}

.page-about .about-trust-link:hover,
.page-about .about-trust-link:focus-visible {
  color: var(--color-text-primary, #E6EDF3);
  text-decoration: underline;
}

.page-about .about-trust-sep {
  color: var(--color-border, #30363D);
  font-size: 0.8rem;
}

/* ==============================
   响应式 - 平板 ≥ 768px
   ============================== */
@media (min-width: 768px) {
  .page-about {
    padding: 2.5rem 2rem 4rem;
  }

  .page-about .about-hero {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    min-height: 70vh;
  }

  .page-about .about-hero::after {
    left: -2rem;
    right: -2rem;
  }

  .page-about .about-hero-title {
    font-size: clamp(3.5rem, 6vw, 5.5rem);
  }

  .page-about .about-hero-visual {
    min-height: 440px;
  }

  .page-about .about-svg-label {
    font-size: 4.5rem;
  }

  .page-about .about-services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-about .about-local-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .page-about .about-local-stat {
    padding: 1.5rem 2rem;
  }

  .page-about .about-trust-badge {
    flex-direction: row;
    text-align: left;
    padding: 2.5rem 3rem;
  }

  .page-about .about-trust-links {
    justify-content: flex-start;
  }
}

/* ==============================
   响应式 - 桌面 ≥ 1024px
   ============================== */
@media (min-width: 1024px) {
  .page-about {
    padding: 3rem 2.5rem 5rem;
  }

  .page-about .about-hero {
    gap: 3rem;
  }

  .page-about .about-hero-visual {
    min-height: 500px;
  }

  .page-about .about-svg-shape--1 {
    width: 220px;
    height: 220px;
  }

  .page-about .about-svg-shape--2 {
    width: 150px;
    height: 150px;
  }

  .page-about .about-svg-shape--3 {
    width: 100px;
    height: 100px;
  }

  .page-about .about-svg-label {
    font-size: 5.5rem;
  }

  .page-about .about-services-grid {
    gap: 1.75rem;
  }

  .page-about .about-section-header {
    margin-bottom: 3rem;
  }

  .page-about .about-local-content {
    gap: 3rem;
  }
}

/* ==============================
   辅助功能：减少动效
   ============================== */
@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-about .about-hero-visual::before,
  .page-about .about-services-img,
  .page-about .about-local-img {
    transform: none !important;
  }

  .page-about .about-svg-shape:hover {
    transform: none !important;
  }
}