/* ===== 品牌档案页面专属样式 ===== */
.page-about {
  --about-grid-color: rgba(255, 69, 0, 0.04);
  --about-glow: 0 0 30px rgba(255, 69, 0, 0.08);
  --about-ring-size: 80px;
  --about-ring-thickness: 6px;
  --about-card-min-height: 260px;
}

/* ---- 面包屑 ---- */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.8rem;
  color: var(--color-text-secondary, #B0B0C0);
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-about .breadcrumb a {
  color: var(--color-primary, #FF4500);
  text-decoration: none;
  transition: opacity var(--transition, 0.3s);
}
.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  opacity: 0.75;
  outline: 2px solid var(--color-primary, #FF4500);
  outline-offset: 2px;
}
.page-about .breadcrumb__sep {
  color: var(--color-text-secondary, #B0B0C0);
  user-select: none;
}
.page-about .breadcrumb__current {
  color: var(--color-text, #FFFFFF);
  font-weight: 600;
}

/* ---- 首屏 ---- */
.page-about .hero-about {
  position: relative;
  overflow: hidden;
  padding: 2rem 0 3rem;
  background:
    linear-gradient(135deg, var(--color-bg-dark, #0D0D0D) 0%, var(--color-bg-light, #1A1A2E) 100%);
}
.page-about .hero-about::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}
.page-about .hero-about__bg {
  position: absolute;
  top: -0.15em;
  right: -0.05em;
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: clamp(6rem, 28vw, 18rem);
  font-weight: 900;
  color: rgba(255, 69, 0, 0.06);
  line-height: 1;
  letter-spacing: 0.08em;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  text-shadow: 0 0 60px rgba(255, 69, 0, 0.12);
}
.page-about .hero-about__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-about .hero-about__brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-about .hero-about__title {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 900;
  color: var(--color-primary, #FF4500);
  letter-spacing: 0.04em;
  line-height: 1;
  margin: 0;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(255, 69, 0, 0.3);
}
.page-about .hero-about__subtitle {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  color: var(--color-accent, #FFD700);
  letter-spacing: 0.06em;
  margin: 0;
  text-transform: uppercase;
}
.page-about .hero-about__desc {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--color-text-secondary, #B0B0C0);
  line-height: 1.7;
  max-width: 36em;
  margin: 0;
}
.page-about .hero-about .btn {
  align-self: flex-start;
  margin-top: 0.5rem;
}

/* ---- 雷达图容器 ---- */
.page-about .radar-wrapper {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}
.page-about .radar-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 600px;
  border-radius: 12px;
  box-shadow: var(--shadow-neon, 0 0 12px rgba(255,69,0,0.3));
}
.page-about .radar-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.page-about .radar-label {
  position: absolute;
  left: calc(var(--dx, 0.5) * 100%);
  top: calc(var(--dy, 0.5) * 100%);
  transform: translate(-50%, -50%);
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  background: rgba(10, 31, 68, 0.85);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--color-border, rgba(255,69,0,0.4));
  backdrop-filter: blur(4px);
  pointer-events: auto;
  transition: background var(--transition, 0.3s), border-color var(--transition, 0.3s);
  white-space: nowrap;
}
.page-about .radar-label:hover,
.page-about .radar-label:focus-visible {
  background: var(--color-primary, #FF4500);
  border-color: var(--color-accent, #FFD700);
  outline: none;
}
.page-about .radar-detail {
  position: absolute;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition, 0.3s);
  max-width: 90%;
}
.page-about .radar-wrapper:hover .radar-detail,
.page-about .radar-wrapper:focus-within .radar-detail {
  opacity: 1;
}
.page-about .radar-detail__item {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.65rem;
  color: var(--color-text, #FFFFFF);
  background: rgba(0, 0, 0, 0.75);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  border: 1px solid var(--color-primary, #FF4500);
  backdrop-filter: blur(2px);
}

/* ---- 品牌使命 ---- */
.page-about .mission {
  padding: 3rem 0 2rem;
  background: var(--color-bg-dark, #0D0D0D);
  position: relative;
}
.page-about .mission::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border, rgba(255,69,0,0.4)), transparent);
}
.page-about .mission__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-about .mission__header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-about .mission__lead {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-accent, #FFD700);
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1.2;
}
.page-about .mission__body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-about .mission__text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-about .mission__text p {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 1rem;
  color: var(--color-text-secondary, #B0B0C0);
  line-height: 1.7;
  margin: 0;
  max-width: 48em;
}
.page-about .mission__values {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-about .value-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem;
  background: var(--color-surface, #1C1C3A);
  border: 1px solid var(--color-border, rgba(255,69,0,0.4));
  border-radius: 8px;
  transition: border-color var(--transition, 0.3s), box-shadow var(--transition, 0.3s);
}
.page-about .value-card:hover {
  border-color: var(--color-primary, #FF4500);
  box-shadow: var(--shadow-neon, 0 0 12px rgba(255,69,0,0.3));
}
.page-about .value-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}
.page-about .value-card__icon svg {
  display: block;
}
.page-about .value-card__title {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  letter-spacing: 0.04em;
  margin: 0;
  text-transform: uppercase;
}
.page-about .value-card__desc {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.85rem;
  color: var(--color-text-secondary, #B0B0C0);
  margin: 0;
  line-height: 1.5;
}
.page-about .mission__decoration {
  display: flex;
  justify-content: center;
  padding: 1rem 0;
}
.page-about .mission__server {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--color-border, rgba(255,69,0,0.25));
  box-shadow: var(--about-glow);
  opacity: 0.85;
}

/* ---- 服务范围 ---- */
.page-about .services-scope {
  padding: 3rem 0;
  background:
    linear-gradient(180deg, var(--color-bg-light, #1A1A2E) 0%, var(--color-bg-dark, #0D0D0D) 100%);
  position: relative;
}
.page-about .services-scope::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 69, 0, 0.03) 0%, transparent 60%),
    radial-gradient(circle at 80% 50%, rgba(255, 215, 0, 0.02) 0%, transparent 60%);
  pointer-events: none;
}
.page-about .services-scope__inner {
  position: relative;
  z-index: 1;
}
.page-about .services-scope__intro {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 1rem;
  color: var(--color-text-secondary, #B0B0C0);
  margin: 0 0 1.5rem;
  max-width: 36em;
}
.page-about .services-scope__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

/* ---- 服务卡片 + 环形进度条 ---- */
.page-about .service-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  min-height: var(--about-card-min-height, 260px);
  background: var(--color-surface, #1C1C3A);
  border: 1px solid var(--color-border, rgba(255,69,0,0.4));
  border-radius: 10px;
  transition: border-color var(--transition, 0.3s), box-shadow var(--transition, 0.3s);
  position: relative;
  overflow: hidden;
}
.page-about .service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary, #FF4500), transparent);
  opacity: 0;
  transition: opacity var(--transition, 0.3s);
}
.page-about .service-card:hover::after {
  opacity: 1;
}
.page-about .service-card:hover {
  border-color: var(--color-primary, #FF4500);
  box-shadow: var(--shadow-neon, 0 0 12px rgba(255,69,0,0.3));
}
.page-about .service-card__ring {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 0.25rem;
}
.page-about .ring-progress {
  --ring-size: var(--about-ring-size, 80px);
  --ring-thickness: var(--about-ring-thickness, 6px);
  width: var(--ring-size);
  height: var(--ring-size);
  border-radius: 50%;
  background: conic-gradient(
    var(--color-primary, #FF4500) 0deg calc(var(--percent, 0) * 3.6deg),
    var(--color-bg-light, #1A1A2E) calc(var(--percent, 0) * 3.6deg) 360deg
  );
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}
.page-about .ring-progress::before {
  content: '';
  position: absolute;
  width: calc(var(--ring-size) - var(--ring-thickness) * 2);
  height: calc(var(--ring-size) - var(--ring-thickness) * 2);
  border-radius: 50%;
  background: var(--color-surface, #1C1C3A);
  top: var(--ring-thickness);
  left: var(--ring-thickness);
}
.page-about .ring-progress__value {
  position: relative;
  z-index: 1;
  font-family: var(--font-data, 'Bebas Neue', monospace);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  line-height: 1;
}
.page-about .ring-progress__unit {
  font-size: 0.6em;
  color: var(--color-text-secondary, #B0B0C0);
  vertical-align: super;
}
.page-about .service-card__title {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  letter-spacing: 0.04em;
  margin: 0;
  text-transform: uppercase;
  text-align: center;
}
.page-about .service-card__desc {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.85rem;
  color: var(--color-text-secondary, #B0B0C0);
  line-height: 1.6;
  margin: 0;
  text-align: center;
  flex: 1;
}
.page-about .service-card__label {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-secondary, #B0B0C0);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  opacity: 0.6;
}

/* ---- 数据说明与联系方式 ---- */
.page-about .data-info {
  padding: 3rem 0;
  background: var(--color-bg-dark, #0D0D0D);
  position: relative;
}
.page-about .data-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent, #FFD700), transparent);
  opacity: 0.3;
}
.page-about .data-info__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-about .data-info__content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-about .data-info__map {
  order: -1;
}
.page-about .data-info__map-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 800px;
  border-radius: 10px;
  border: 1px solid var(--color-border, rgba(255,69,0,0.3));
  box-shadow: var(--about-glow);
}
.page-about .data-info__details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-about .data-info__block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-about .data-info__heading {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary, #FF4500);
  letter-spacing: 0.04em;
  margin: 0;
  text-transform: uppercase;
}
.page-about .data-info__text {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.95rem;
  color: var(--color-text-secondary, #B0B0C0);
  line-height: 1.6;
  margin: 0;
}
.page-about .data-info__text--small {
  font-size: 0.85rem;
}
.page-about .data-info__link {
  color: var(--color-primary, #FF4500);
  text-decoration: none;
  transition: color var(--transition, 0.3s);
}
.page-about .data-info__link:hover,
.page-about .data-info__link:focus-visible {
  color: var(--color-accent, #FFD700);
  text-decoration: underline;
  outline: none;
}
.page-about .data-info__note {
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.8rem;
  color: var(--color-text-secondary, #B0B0C0);
  opacity: 0.85;
  margin: 0.25rem 0 0;
}
.page-about .data-info__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

/* ---- 全局组件复用修饰 ---- */
.page-about .section-title {
  font-family: var(--font-heading, 'Bebas Neue', Impact, sans-serif);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  letter-spacing: 0.05em;
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
}
.page-about .section-title::after {
  content: '';
  display: block;
  width: 60%;
  height: 3px;
  margin-top: 0.3rem;
  background: linear-gradient(90deg, var(--color-primary, #FF4500), var(--color-accent, #FFD700));
  border-radius: 2px;
}
.page-about .container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  box-sizing: border-box;
  width: 100%;
}
.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.6rem;
  font-family: var(--font-body, Inter, system-ui, sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--color-primary, #FF4500);
  border: 1px solid var(--color-primary, #FF4500);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background var(--transition, 0.3s), box-shadow var(--transition, 0.3s), transform 0.15s;
  box-shadow: 0 0 10px rgba(255, 69, 0, 0.25);
}
.page-about .btn:hover,
.page-about .btn:focus-visible {
  background: #e63e00;
  box-shadow: 0 0 20px rgba(255, 69, 0, 0.5);
  transform: translateY(-1px);
  outline: none;
}
.page-about .btn--outline {
  background: transparent;
  color: var(--color-primary, #FF4500);
  border-color: var(--color-primary, #FF4500);
  box-shadow: none;
}
.page-about .btn--outline:hover,
.page-about .btn--outline:focus-visible {
  background: rgba(255, 69, 0, 0.1);
  box-shadow: 0 0 14px rgba(255, 69, 0, 0.2);
  transform: translateY(-1px);
}

/* ---- 响应式：桌面端 ---- */
@media (min-width: 768px) {
  .page-about .hero-about {
    padding: 3rem 0 4rem;
  }
  .page-about .hero-about__inner {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .page-about .hero-about__brand {
    flex: 1 1 45%;
    max-width: 520px;
  }
  .page-about .hero-about__visual {
    flex: 1 1 50%;
  }
  .page-about .hero-about__bg {
    font-size: clamp(10rem, 28vw, 22rem);
    right: -0.02em;
  }
  .page-about .radar-labels {
    display: block;
  }
  .page-about .radar-label {
    font-size: 0.75rem;
    padding: 0.25rem 0.7rem;
  }
  .page-about .radar-detail {
    bottom: 0.75rem;
    gap: 0.5rem;
  }
  .page-about .radar-detail__item {
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
  }

  .page-about .mission {
    padding: 4rem 0 3rem;
  }
  .page-about .mission__body {
    flex-direction: row;
    gap: 3rem;
    align-items: flex-start;
  }
  .page-about .mission__text {
    flex: 1 1 55%;
  }
  .page-about .mission__values {
    flex: 1 1 40%;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .page-about .mission__decoration {
    justify-content: flex-start;
    padding: 1rem 0 0;
  }
  .page-about .mission__server {
    max-width: 360px;
  }

  .page-about .services-scope {
    padding: 4rem 0;
  }
  .page-about .services-scope__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-about .service-card {
    padding: 1.75rem 1.5rem;
  }

  .page-about .data-info {
    padding: 4rem 0;
  }
  .page-about .data-info__content {
    flex-direction: row;
    gap: 3rem;
    align-items: flex-start;
  }
  .page-about .data-info__map {
    flex: 1 1 55%;
    order: 0;
  }
  .page-about .data-info__details {
    flex: 1 1 40%;
    gap: 1.75rem;
  }
  .page-about .data-info__cta {
    padding-top: 0.75rem;
  }
}

@media (min-width: 1024px) {
  .page-about .hero-about {
    padding: 4rem 0 5rem;
  }
  .page-about .hero-about__inner {
    gap: 4rem;
  }
  .page-about .services-scope__grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .page-about .service-card {
    min-height: var(--about-card-min-height, 260px);
  }
  .page-about .data-info__content {
    gap: 4rem;
  }
}

/* ---- 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 [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .page-about .radar-detail {
    opacity: 1 !important;
  }
  .page-about .service-card::after {
    opacity: 0 !important;
  }
}

.page-about {
  --dx: inherit;
  --dy: inherit;
  --percent: transparent;
}