.page-about {
  --about-bg-dark: #0A0F1E;
  --about-warm: #F5F1E9;
  --about-card-bg: #FFFFFF;
  --about-number-color: #FF7F2A;
  --about-accent: #FF7F2A;
  --about-text-muted: #6C8EB2;
  --about-border-radius: 8px;
  --about-max-width: 1200px;
  --about-padding: 1.5rem;
}

/* === 首屏Intro（斜切深色背景） === */
.page-about__intro {
  position: relative;
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  padding: 4rem 0 6rem;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
  overflow: hidden;
}
.page-about__intro-bg {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  z-index: 0;
}
.page-about__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about__intro-content {
  position: relative;
  z-index: 1;
  max-width: var(--about-max-width);
  margin: 0 auto;
  padding: 0 var(--about-padding);
}
.breadcrumb {
  font-family: var(--font-small);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}
.breadcrumb__link {
  color: var(--color-accent);
  text-decoration: none;
}
.breadcrumb__link:hover {
  text-decoration: underline;
}
.breadcrumb__sep {
  margin: 0 0.5rem;
}
.page-about__page-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.5rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
  line-height: 1.1;
  transform: skewX(-3deg);
  display: inline-block;
}
.page-about__intro-text {
  font-family: var(--font-body);
  font-size: 1.15rem;
  max-width: 40rem;
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
}

/* === 通用section === */
.page-about__section {
  padding: 3rem 0;
}
.page-about__section .container {
  max-width: var(--about-max-width);
  margin: 0 auto;
  padding: 0 var(--about-padding);
}
.page-about__number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3rem;
  color: var(--about-number-color);
  display: block;
  margin-bottom: 0.25rem;
  line-height: 1;
  transform: skewX(-5deg);
}
.section__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  transform: skewX(-3deg);
  display: inline-block;
}

/* === 品牌宣言区块（左右非对称） === */
.page-about__section--declaration {
  background: var(--about-warm);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  padding-bottom: 5rem;
}
.page-about__declaration-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-about__declaration-left {
  flex: 1;
}
.page-about__declaration-text p {
  font-family: var(--font-body);
  line-height: 1.7;
  color: #1A1A1A;
  margin-bottom: 1rem;
}
.page-about__btn {
  margin-top: 1.5rem;
}
.page-about__declaration-right {
  flex: 1;
}
.page-about__service-card {
  background: var(--about-card-bg);
  border-radius: var(--about-border-radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  overflow: hidden;
  transition: var(--transition-base);
  position: relative;
}
.page-about__service-card:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
  transform: translateY(-4px);
}
.page-about__card-visual {
  overflow: hidden;
}
.page-about__card-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-about__card-content {
  padding: 1.5rem;
}
.page-about__card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.page-about__card-content p {
  color: #333;
  line-height: 1.6;
}
.page-about__card-detail {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-secondary);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
/* 悬停展示详细描述：用hover显示hidden内容 */
.page-about__service-card:hover .page-about__card-detail {
  display: block !important;
}

/* === 地理位置区块 === */
.page-about__section--location {
  background: var(--color-bg-light);
}
.page-about__location-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-about__location-info {
  flex: 1;
}
.page-about__location-info p {
  font-family: var(--font-body);
  line-height: 1.7;
  color: #1A1A1A;
  margin-bottom: 1rem;
}
.page-about__location-map {
  flex: 1;
}
.page-about__map-link {
  display: block;
  border: 2px solid var(--color-secondary);
  border-radius: var(--about-border-radius);
  transition: var(--transition-fast);
}
.page-about__map-link:hover {
  border-color: var(--color-accent);
}
.page-about__map-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* 地图放大（:target） */
.page-about__map-zoom {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}
.page-about__map-zoom:target {
  display: flex;
}
.page-about__map-zoom-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.page-about__map-zoom-img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--about-border-radius);
  box-shadow: 0 0 40px rgba(255,127,42,0.3);
}
.page-about__map-close {
  position: absolute;
  top: -2rem;
  right: 0;
  color: #fff;
  font-size: 2.5rem;
  font-weight: 700;
  text-decoration: none;
  line-height: 1;
}
.page-about__map-close:hover {
  color: var(--color-accent);
}

/* === 信任陈述区块 === */
.page-about__section--trust {
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  text-align: center;
  padding: 4rem 0;
  clip-path: polygon(0 10%, 100% 0, 100% 100%, 0 100%);
  margin-top: -2rem;
}
.page-about__trust-statement {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.3rem;
  font-style: italic;
  max-width: 40rem;
  margin: 0 auto 1rem;
  line-height: 1.5;
  color: var(--color-accent);
}
.page-about__trust-source {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* === 响应式：桌面端 >= 768px === */
@media (min-width: 768px) {
  .page-about__declaration-inner {
    flex-direction: row;
    align-items: stretch;
  }
  .page-about__declaration-left {
    flex: 1.2;
    padding-right: 2rem;
  }
  .page-about__declaration-right {
    flex: 1;
    display: flex;
    align-items: center;
  }
  .page-about__location-inner {
    flex-direction: row;
    align-items: center;
  }
  .page-about__location-info {
    flex: 1;
    padding-right: 2rem;
  }
  .page-about__location-map {
    flex: 1;
  }
}
@media (min-width: 1024px) {
  .page-about__intro {
    padding: 5rem 0 8rem;
  }
  .page-about__page-title {
    font-size: 4rem;
  }
  .page-about__declaration-inner {
    gap: 3rem;
  }
}

.page-about {
  --color-text-muted: var(--color-text-secondary);
}