.page-about {
  --about-card-bg: rgba(255, 255, 255, 0.04);
  --about-card-border: rgba(255, 255, 255, 0.12);
  --about-grid-line: rgba(255, 255, 255, 0.045);
}

/* ===== Hero ===== */
.page-about-hero {
  position: relative;
  overflow: hidden;
  padding: 148px 0 56px;
  background: var(--navy);
  color: #fff;
}
.page-about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse at 82% 18%, #000 8%, transparent 70%);
  mask-image: radial-gradient(ellipse at 82% 18%, #000 8%, transparent 70%);
  pointer-events: none;
}
.page-about-hero__art {
  display: none;
}
.page-about-hero__inner {
  position: relative;
  z-index: 1;
}
.page-about-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 44px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}
.page-about-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-about-breadcrumb a:hover {
  color: var(--gold-bright);
}
.page-about-breadcrumb__sep {
  color: rgba(255, 255, 255, 0.35);
}
.page-about-breadcrumb__current {
  color: var(--gold-bright);
}
.page-about-hero__eyebrow {
  color: var(--gold-bright);
}
.page-about-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(46px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.page-about-hero__lead {
  max-width: 660px;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}
.page-about-hero__layout {
  display: grid;
  gap: 40px;
}
.page-about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.page-about-hero__stat {
  padding: 2px 0;
}
.page-about-hero__stat-num {
  display: block;
  font-size: 24px;
  line-height: 1.1;
  color: var(--gold-bright);
}
.page-about-hero__stat-label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.58);
}

/* ===== 品牌起源 ===== */
.page-about-origin {
  padding: 72px 0;
  background: #fff;
}
.page-about-origin__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about-origin__lead {
  margin: 16px 0 0;
  font-size: 18px;
  line-height: 1.7;
  color: var(--text);
}
.page-about-origin__body {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-about-origin__quote {
  position: relative;
  margin: 28px 0 0;
  padding: 20px 24px 20px 48px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(212, 175, 55, 0.02));
}
.page-about-origin__quote p {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--navy);
  font-weight: 500;
}
.page-about-origin__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-about-origin__figure {
  margin: 0;
}
.page-about-origin__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}
.page-about-origin__figure .figure__caption {
  margin-top: 10px;
}

/* ===== 发展历程 ===== */
.page-about-journey {
  position: relative;
  padding: 72px 0;
  background: var(--navy);
  color: rgba(255, 255, 255, 0.72);
}
.page-about-journey::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 64px;
  pointer-events: none;
}
.page-about-journey .site-container {
  position: relative;
  z-index: 1;
}
.page-about-journey__head {
  max-width: 720px;
}
.page-about-journey .eyebrow,
.page-about-trust .eyebrow {
  color: var(--gold-bright);
}
.page-about-journey .section-title,
.page-about-trust .section-title {
  color: #fff;
}
.page-about-journey__lead {
  color: rgba(255, 255, 255, 0.68);
}
.page-about-journey__route {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
}
.page-about-journey__route-line {
  flex: 0 0 120px;
  height: 1px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.55), rgba(212, 175, 55, 0.08));
}
.page-about-journey__timeline {
  position: relative;
  margin-top: 40px;
}
.page-about-journey__line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 2px;
  transform: translateX(-1px);
  background: linear-gradient(to bottom, var(--gold-soft), rgba(212, 175, 55, 0.05), var(--gold-soft));
}
.page-about-journey__item {
  position: relative;
  padding-left: 64px;
  padding-bottom: 28px;
}
.page-about-journey__dot {
  position: absolute;
  top: 30px;
  left: 24px;
  width: 14px;
  height: 14px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.18);
}
.page-about-journey__card {
  padding: 22px 24px;
  background: var(--about-card-bg);
  border: 1px solid var(--about-card-border);
  border-radius: var(--radius);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.page-about-journey__card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(212, 175, 55, 0.36);
}
.page-about-journey__year {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-bright);
}
.page-about-journey__card h3 {
  margin: 7px 0 10px;
  font-size: 19px;
  color: #fff;
}
.page-about-journey__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.66);
}
.page-about-journey__figure {
  margin: 44px 0 0;
}
.page-about-journey__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--about-card-border);
  border-radius: var(--radius);
  object-fit: cover;
}
.page-about-journey__figure .figure__caption {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.58);
}
.page-about-journey__more {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}
.page-about-journey__link {
  color: var(--gold-bright);
  text-decoration: none;
}
.page-about-journey__link:hover {
  text-decoration: underline;
}

/* ===== 服务理念 ===== */
.page-about-values {
  padding: 72px 0;
  background: var(--bg);
}
.page-about-values__head {
  max-width: 680px;
  margin-bottom: 40px;
}
.page-about-values__grid {
  display: grid;
  gap: 20px;
}
.page-about-values__card {
  position: relative;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-about-values__card:hover {
  border-color: rgba(212, 175, 55, 0.35);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.page-about-values__index {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-about-values__card h3 {
  margin: 8px 0 12px;
  font-size: 20px;
  color: var(--navy);
}
.page-about-values__card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.page-about-values__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-about-values__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}
.page-about-values__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}
.page-about-values__metric {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 16px;
  margin-top: 32px;
  padding: 28px 24px;
  background: var(--navy);
  border-radius: var(--radius);
}
.page-about-values__metric-num {
  display: block;
  font-size: 27px;
  line-height: 1.1;
  color: var(--gold-bright);
}
.page-about-values__metric-label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

/* ===== 中国区站点特色 ===== */
.page-about-local {
  padding: 72px 0;
  background: #fff;
}
.page-about-local__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about-local__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
}
.page-about-local__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.page-about-local__list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.page-about-local__list li:first-child {
  border-top: 1px solid var(--line);
}
.page-about-local__list-num {
  flex: 0 0 auto;
  margin-top: 2px;
  font-size: 13px;
  color: var(--gold);
}
.page-about-local__list-body strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  color: var(--navy);
}
.page-about-local__list-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}
.page-about-local__figure {
  margin: 0;
}
.page-about-local__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}
.page-about-local__figure .figure__caption {
  margin-top: 10px;
}

/* ===== 信任与资质 ===== */
.page-about-trust {
  position: relative;
  padding: 72px 0;
  background: radial-gradient(ellipse at 75% 12%, rgba(212, 175, 55, 0.14), transparent 55%), var(--navy);
}
.page-about-trust__grid {
  display: grid;
  gap: 16px;
  margin-top: 36px;
}
.page-about-trust__item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
}
.page-about-trust__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 54px;
  height: 54px;
  padding: 0 10px;
  border: 1px solid rgba(212, 175, 55, 0.32);
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.14);
  color: var(--gold-bright);
  font-size: 13px;
  font-weight: 500;
}
.page-about-trust__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.68);
}
.page-about-trust__item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  color: #fff;
}
.page-about-trust__note {
  margin: 28px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.62);
}
.page-about-trust__note a {
  color: var(--gold-bright);
  text-decoration: none;
}
.page-about-trust__note a:hover {
  text-decoration: underline;
}

/* ===== 动效 ===== */
@keyframes pageAboutRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: no-preference) {
  .page-about-hero__inner > .page-about-breadcrumb {
    animation: pageAboutRise 0.55s var(--ease) both;
  }
  .page-about-hero__layout > .page-about-hero__main {
    animation: pageAboutRise 0.7s var(--ease) both;
    animation-delay: 0.1s;
  }
  .page-about-hero__layout > .page-about-hero__stats {
    animation: pageAboutRise 0.7s var(--ease) both;
    animation-delay: 0.2s;
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-about-hero__inner > *,
  .page-about-values__card {
    animation: none !important;
    transition: none !important;
  }
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-about-hero {
    padding: 176px 0 84px;
  }
  .page-about-hero__art {
    display: block;
    position: absolute;
    top: 92px;
    right: -6%;
    width: 72%;
    max-width: 1200px;
    opacity: 0.55;
    pointer-events: none;
  }
  .page-about-hero__layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: end;
  }
  .page-about-hero__stats {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 0;
    padding-left: 30px;
    border-top: none;
    border-left: 1px solid rgba(255, 255, 255, 0.16);
  }
  .page-about-hero__stat {
    display: flex;
    align-items: baseline;
    gap: 12px;
  }
  .page-about-hero__stat-num {
    font-size: 32px;
  }
  .page-about-hero__stat-label {
    margin-top: 0;
  }

  .page-about-origin {
    padding: 96px 0;
  }
  .page-about-origin__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
  }

  .page-about-journey {
    padding: 104px 0;
  }
  .page-about-journey__route-line {
    flex-basis: 180px;
  }
  .page-about-journey__line {
    left: 50%;
  }
  .page-about-journey__item {
    width: 50%;
    padding-left: 0;
    padding-right: 56px;
    padding-bottom: 44px;
  }
  .page-about-journey__item:nth-child(even) {
    margin-left: 50%;
    padding-left: 56px;
    padding-right: 0;
  }
  .page-about-journey__dot {
    top: 34px;
    left: auto;
    right: -8px;
    transform: none;
  }
  .page-about-journey__item:nth-child(even) .page-about-journey__dot {
    right: auto;
    left: -8px;
  }

  .page-about-values {
    padding: 96px 0;
  }
  .page-about-values__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .page-about-values__metric {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 36px 32px;
  }

  .page-about-local {
    padding: 104px 0;
  }
  .page-about-local__grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 64px;
  }

  .page-about-trust {
    padding: 96px 0;
  }
  .page-about-trust__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1080px) {
  .page-about-origin__content,
  .page-about-local__content {
    padding-right: 24px;
  }
}