.page-about {
  --about-hero-font: clamp(3.2rem, 8vw, 6rem);
  --about-card-border: 2px solid var(--gold);
  --about-card-shadow: 0 0 0 1px rgba(245, 197, 24, 0.25);
  --about-section-gap: 3rem;
  color: var(--light-text);
}

/* 面包屑 */
.page-about .breadcrumbs {
  position: relative;
  z-index: 2;
  max-width: var(--site-max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--mid-gray);
}
.page-about .breadcrumbs a {
  color: var(--gold);
  text-decoration: none;
  margin-right: 0.5rem;
}
.page-about .breadcrumbs a::after {
  content: "›";
  margin-left: 0.5rem;
  color: var(--mid-gray);
}
.page-about .breadcrumbs span[aria-current] {
  color: var(--light-text);
  font-weight: 600;
}

/* 品牌故事 */
.page-about .about-hero {
  position: relative;
  background-color: var(--deep-blue);
  overflow: hidden;
  min-height: 70vh;
  display: flex;
  align-items: center;
}
.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-about .about-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  display: block;
}
.page-about .about-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.92) 30%, rgba(245, 197, 24, 0.12) 100%);
  pointer-events: none;
}
.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  padding: 3rem 1.25rem 4rem;
}
.page-about .about-hero__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.3rem 1rem;
  margin-bottom: 1.2rem;
}
.page-about .about-hero__title {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  font-size: clamp(1.8rem, 4vw, 3rem);
  text-transform: uppercase;
  color: var(--light-text);
  margin: 0 0 0.5rem;
  line-height: 1.1;
}
.page-about .about-hero__manifesto {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: var(--about-hero-font);
  line-height: 1.05;
  color: var(--gold);
  margin: 0 0 1.5rem;
  max-width: 10ch;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  transform: skewX(-4deg);
  transform-origin: left center;
}
.page-about .about-hero__text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 56ch;
  margin-bottom: 2rem;
  color: rgba(240, 240, 240, 0.9);
}
.page-about .about-hero__link {
  display: inline-block;
}
.page-about .btn--ghost {
  border: 1.5px solid var(--gold);
  color: var(--gold);
  background: transparent;
  padding: 0.65rem 1.8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.page-about .btn--ghost:hover,
.page-about .btn--ghost:focus {
  background: var(--gold);
  color: var(--deep-blue);
}

/* 核心服务 */
.page-about .about-services {
  background-color: var(--dark-bg);
  padding: var(--about-section-gap) 0;
}
.page-about .services-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.page-about .services-header__icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 4px;
  flex-shrink: 0;
}
.page-about .services-header__title {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}
.page-about .services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-about .service-card {
  background: var(--card-bg);
  border: 2px solid rgba(245, 197, 24, 0.3);
  outline: 2px solid rgba(245, 197, 24, 0.08);
  outline-offset: 4px;
  padding: 1.5rem 1.5rem 1.8rem;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-about .service-card:hover {
  border-color: var(--gold);
  box-shadow: 0 0 24px rgba(245, 197, 24, 0.3);
}
.page-about .service-card__number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.4rem;
  opacity: 0.7;
}
.page-about .service-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--light-text);
  margin: 0 0 0.6rem;
  line-height: 1.2;
}
.page-about .service-card__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--deep-blue);
  background: var(--gold);
  padding: 0.2rem 0.8rem;
  border-radius: 0;
  cursor: pointer;
  transition: opacity var(--transition);
  margin-bottom: 0.75rem;
}
.page-about .service-card__badge:hover {
  opacity: 0.85;
}
.page-about .badge--success {
  background: var(--success-green);
  color: var(--dark-text);
}
.page-about .service-card__summary {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(240, 240, 240, 0.85);
  margin: 0 0 0.8rem;
}
.page-about .service-card__detail {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(240, 240, 240, 0.7);
  border-top: 1px solid rgba(245, 197, 24, 0.15);
  padding-top: 0.8rem;
  margin-top: 0.2rem;
}
.page-about .service-card__detail p {
  margin: 0;
}
.page-about .services-footer {
  text-align: center;
  margin-top: 2.5rem;
}
.page-about .btn--primary {
  display: inline-block;
  background: var(--flame-red);
  color: var(--light-text);
  padding: 0.7rem 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: none;
  transition: opacity var(--transition);
}
.page-about .btn--primary:hover,
.page-about .btn--primary:focus {
  opacity: 0.88;
}

/* 用户场景 */
.page-about .about-scenario {
  background-color: var(--deep-blue);
  padding: var(--about-section-gap) 0;
  border-top: 2px solid rgba(245, 197, 24, 0.15);
  border-bottom: 2px solid rgba(245, 197, 24, 0.15);
}
.page-about .scenario__title {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 2rem;
}
.page-about .scenario__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.page-about .scenario__image-wrap {
  background: var(--dark-bg);
  border: 2px solid rgba(245, 197, 24, 0.2);
  padding: 0.5rem;
  transform: rotate(-1deg);
  transition: transform var(--transition);
}
.page-about .scenario__image-wrap:hover {
  transform: rotate(0deg);
}
.page-about .scenario__image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-about .scenario__text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(240, 240, 240, 0.9);
}
.page-about .scenario__text p {
  margin: 0 0 1.2rem;
}
.page-about .scenario__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.page-about .scenario__tags .badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.25rem 0.9rem;
  background: transparent;
}
.page-about .scenario__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.page-about .scenario__links .btn--ghost {
  border-color: rgba(245, 197, 24, 0.5);
  color: var(--light-text);
  font-size: 0.8rem;
  padding: 0.5rem 1.4rem;
}
.page-about .scenario__links .btn--ghost:hover {
  border-color: var(--gold);
  color: var(--deep-blue);
}

/* 移动端优先 —— 桌面增强 */
@media (min-width: 768px) {
  .page-about .about-hero {
    min-height: 60vh;
  }
  .page-about .about-hero__inner {
    padding: 4rem 2rem 5rem;
  }
  .page-about .about-hero__manifesto {
    max-width: 12ch;
  }
  .page-about .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
  }
  .page-about .service-card {
    padding: 1.8rem 1.8rem 2rem;
  }
  .page-about .scenario__content {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__inner {
    padding: 5rem 2rem 6rem;
  }
  .page-about .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .service-card {
    padding: 2rem 1.5rem 2.2rem;
  }
  .page-about .scenario__content {
    gap: 3.5rem;
  }
}

/* 超大屏留白 */
@media (min-width: 1400px) {
  .page-about .about-hero__inner {
    padding: 6rem 2rem 7rem;
  }
}