.page-about {
  background: var(--color-deep-purple);
  color: var(--color-cream);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-about ::selection {
  background: rgba(212, 175, 55, 0.35);
  color: #fff;
}

.page-about section[id] {
  scroll-margin-top: 84px;
}

.page-about .about-hero-inner,
.page-about .about-inner {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.page-about .page-section {
  padding: 72px 0;
}

/* ========== 首屏 ========== */
.page-about .about-hero {
  position: relative;
  padding: 40px 0 64px;
  background:
    radial-gradient(circle at 82% 18%, rgba(212, 175, 55, 0.16) 0%, transparent 34%),
    linear-gradient(130deg, var(--color-deep-purple) 0%, var(--color-purple-smoke) 58%, rgba(30, 58, 138, 0.82) 130%);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 52%;
  height: 100%;
  background: linear-gradient(115deg, transparent 8%, rgba(30, 58, 138, 0.38) 100%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: '';
  position: absolute;
  top: -140px;
  right: -90px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.20) 0%, transparent 68%);
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: rgba(245, 240, 230, 0.62);
}

.page-about .breadcrumb a {
  color: var(--color-gold-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb a:hover {
  color: var(--color-gold);
  text-decoration: underline;
}

.page-about .breadcrumb-sep {
  color: rgba(245, 240, 230, 0.38);
}

.page-about .about-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-about .about-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-size: clamp(1.85rem, 4.6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--color-cream);
  letter-spacing: 0.01em;
}

.page-about .about-hero-lead {
  margin: 0;
  max-width: 660px;
  font-size: 0.98rem;
  color: rgba(245, 240, 230, 0.82);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 36px;
  margin-top: 36px;
}

.page-about .about-hero-media {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .about-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 22px 60px rgba(26, 10, 46, 0.5);
  transition: transform 0.45s ease, box-shadow 0.45s ease;
}

.page-about .about-hero-media:hover .about-hero-img {
  transform: scale(1.02);
  box-shadow: 0 28px 72px rgba(26, 10, 46, 0.65);
}

.page-about .about-hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-about .hero-metric {
  padding: 14px 10px;
  text-align: center;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(212, 175, 55, 0.26);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-about .metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gold);
}

.page-about .metric-label {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: rgba(245, 240, 230, 0.72);
}

.page-about .about-scroll-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.86rem;
  color: var(--color-gold-light);
  text-decoration: none;
  border-bottom: 1px dashed rgba(212, 175, 55, 0.55);
  padding-bottom: 3px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .about-scroll-link:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* ========== 章节标题 ========== */
.page-about .section-header {
  margin-bottom: 34px;
}

.page-about .section-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-terracotta);
  margin-bottom: 10px;
}

.page-about .section-eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-about .section-header h2 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.24;
  color: inherit;
}

.page-about .section-lead {
  margin: 0;
  max-width: 640px;
  font-size: 0.96rem;
  color: rgba(245, 240, 230, 0.74);
}

/* ========== 01 品牌使命 ========== */
.page-about .about-mission {
  position: relative;
  background: var(--color-cream);
  color: var(--color-charcoal);
}

.page-about .about-mission::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-terracotta));
  border-radius: 2px;
}

.page-about .about-mission .section-eyebrow {
  color: var(--color-terracotta);
}

.page-about .about-mission .section-lead {
  color: rgba(17, 24, 39, 0.68);
}

.page-about .mission-grid {
  display: grid;
  gap: 18px;
}

.page-about .mission-card {
  background: #FFFFFF;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 16px;
  padding: 26px 24px;
  box-shadow: 0 10px 28px rgba(26, 10, 46, 0.07);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about .mission-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(26, 10, 46, 0.12);
}

.page-about .mission-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  margin-bottom: 16px;
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-gold-light), #E8D9A8);
  color: var(--color-deep-purple);
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.page-about .mission-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-charcoal);
}

.page-about .mission-card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.72);
}

.page-about .mission-cta {
  margin: 34px 0 0;
  font-size: 0.95rem;
  color: rgba(17, 24, 39, 0.68);
}

.page-about .mission-cta a {
  color: var(--color-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-mission .btn-secondary {
  background: transparent;
  color: var(--color-purple-smoke);
  border-color: var(--color-purple-smoke);
}

/* ========== 02 发展历程 ========== */
.page-about .about-timeline {
  background:
    radial-gradient(circle at 82% 18%, rgba(212, 175, 55, 0.10) 0%, transparent 34%),
    linear-gradient(180deg, var(--color-deep-purple) 0%, var(--color-purple-smoke) 100%);
}

.page-about .about-timeline .section-number {
  color: var(--color-gold);
}

.page-about .timeline-wrap {
  margin-top: 40px;
}

.page-about .timeline-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .timeline-list::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 19px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, rgba(212, 175, 55, 0.20), rgba(212, 175, 55, 0.85) 30%, rgba(212, 175, 55, 0.85) 70%, rgba(212, 175, 55, 0.20));
}

.page-about .timeline-item {
  position: relative;
  padding-left: 58px;
  margin-bottom: 40px;
}

.page-about .timeline-item:last-child {
  margin-bottom: 0;
}

.page-about .timeline-marker {
  position: absolute;
  left: 11px;
  top: 10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 4px solid var(--color-deep-purple);
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.22);
}

.page-about .timeline-meta {
  margin-bottom: 10px;
}

.page-about .timeline-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--color-gold-light);
}

.page-about .timeline-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.24);
  border-radius: 16px;
  padding: 22px 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-about .timeline-card:hover {
  transform: translateY(-3px);
  border-color: rgba(212, 175, 55, 0.6);
  background: rgba(255, 255, 255, 0.075);
}

.page-about .timeline-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--color-gold-light);
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.78);
}

.page-about .timeline-cta {
  margin: 44px 0 0;
  font-size: 0.95rem;
  color: rgba(245, 240, 230, 0.7);
}

.page-about .timeline-cta a {
  color: var(--color-gold);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ========== 03 资质与服务保障 ========== */
.page-about .about-certs {
  background:
    linear-gradient(rgba(212, 175, 55, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px),
    var(--color-purple-smoke);
  background-size: 36px 36px;
}

.page-about .about-certs .section-number {
  color: var(--color-gold);
}

.page-about .certs-grid {
  display: grid;
  gap: 18px;
}

.page-about .cert-card {
  background: rgba(26, 10, 46, 0.34);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: 16px;
  padding: 26px 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-about .cert-card:hover {
  transform: translateY(-3px);
  border-color: rgba(212, 175, 55, 0.55);
}

.page-about .cert-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.26), rgba(212, 175, 55, 0.08));
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: var(--color-gold-light);
}

.page-about .cert-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-cream);
}

.page-about .cert-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.68;
  color: rgba(245, 240, 230, 0.76);
}

/* ========== 04 团队与文化 ========== */
.page-about .about-team {
  position: relative;
  background: var(--color-cream);
  color: var(--color-charcoal);
}

.page-about .about-team::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-gold));
  border-radius: 2px;
}

.page-about .about-team .section-eyebrow {
  color: var(--color-terracotta);
}

.page-about .about-team .section-lead {
  color: rgba(17, 24, 39, 0.68);
}

.page-about .team-layout {
  display: grid;
  gap: 32px;
}

.page-about .team-media {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 18px 44px rgba(26, 10, 46, 0.14);
}

.page-about .team-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.page-about .team-media:hover img {
  transform: scale(1.03);
}

.page-about .team-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .team-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
  line-height: 1.68;
  color: rgba(17, 24, 39, 0.76);
}

.page-about .team-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--color-gold), #C9A432);
}

.page-about .team-list strong {
  color: var(--color-charcoal);
  font-weight: 700;
}

.page-about .team-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 8px;
}

.page-about .text-link {
  display: inline-block;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}

.page-about .text-link:hover {
  color: var(--color-gold);
}

/* ========== 05 福建本地化 ========== */
.page-about .about-fujian {
  background:
    radial-gradient(circle at 14% 82%, rgba(74, 124, 89, 0.14) 0%, transparent 42%),
    linear-gradient(180deg, var(--color-deep-purple) 0%, rgba(26, 10, 46, 0.96) 100%);
  border-top: 1px solid rgba(212, 175, 55, 0.22);
}

.page-about .about-fujian .section-number {
  color: var(--color-gold);
}

.page-about .fujian-media {
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 28px;
  border: 1px solid rgba(212, 175, 55, 0.28);
}

.page-about .fujian-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.page-about .fujian-media:hover img {
  transform: scale(1.03);
}

.page-about .fujian-grid {
  display: grid;
  gap: 16px;
}

.page-about .fujian-block {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 16px;
  padding: 22px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-about .fujian-block h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-gold);
}

.page-about .fujian-block p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.68;
  color: rgba(245, 240, 230, 0.82);
}

.page-about .fujian-note {
  margin: 28px 0 0;
  max-width: 760px;
  font-size: 0.92rem;
  color: rgba(245, 240, 230, 0.66);
}

.page-about .fujian-note a {
  color: var(--color-gold);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ========== 按钮与共享类覆盖 ========== */
.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, color 0.22s ease;
}

.page-about .btn:hover {
  transform: translateY(-2px);
}

.page-about .btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, #C9A432 100%);
  color: var(--color-deep-purple);
  border: none;
  box-shadow: 0 10px 26px rgba(212, 175, 55, 0.28);
}

.page-about .btn-primary:hover {
  box-shadow: 0 14px 34px rgba(212, 175, 55, 0.4);
}

.page-about .btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-gold);
  border: 1px solid rgba(212, 175, 55, 0.62);
}

.page-about .btn-secondary:hover {
  background: rgba(212, 175, 55, 0.12);
}

/* ========== 滚动时间线渐入（渐进增强） ========== */
@keyframes about-rise {
  from {
    opacity: 0.3;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports (animation-timeline: view()) {
  .page-about .timeline-item {
    animation: about-rise linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}

/* ========== 桌面端布局 ========== */
@media (min-width: 700px) {
  .page-about .about-hero {
    padding: 52px 0 72px;
  }

  .page-about .about-hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-about .mission-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .fujian-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .section-header {
    margin-bottom: 40px;
  }

  .page-about .section-number {
    font-size: 3.6rem;
  }

  .page-about .timeline-item {
    padding-left: 64px;
  }

  .page-about .timeline-list::before {
    left: 23px;
  }

  .page-about .timeline-marker {
    left: 15px;
    width: 18px;
    height: 18px;
  }

  .page-about .team-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.18fr 0.82fr;
    align-items: center;
    gap: 48px;
  }

  .page-about .about-hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .mission-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .certs-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .section-header {
    display: grid;
    grid-template-columns: 130px 1fr;
    column-gap: 28px;
    margin-bottom: 48px;
  }

  .page-about .section-number {
    grid-column: 1;
    grid-row: 1 / 4;
    font-size: 4.8rem;
    padding-top: 2px;
  }

  .page-about .section-header > *:not(.section-number) {
    grid-column: 2;
  }

  .page-about .section-lead {
    max-width: 620px;
  }

  /* 时间线桌面左右交替 */
  .page-about .timeline-list::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .timeline-item {
    width: 50%;
    padding-left: 0;
    padding-right: 60px;
    margin-bottom: 48px;
  }

  .page-about .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 60px;
  }

  .page-about .timeline-marker {
    left: auto;
    right: -9px;
    top: 26px;
  }

  .page-about .timeline-item:nth-child(even) .timeline-marker {
    left: -9px;
    right: auto;
  }

  .page-about .timeline-meta {
    text-align: right;
  }

  .page-about .timeline-item:nth-child(even) .timeline-meta {
    text-align: left;
  }

  .page-about .timeline-card {
    text-align: left;
  }

  .page-about .fujian-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}