/* ===== 品牌故事页专属样式 · page-about ===== */
.page-about {
  --about-gold-glow: rgba(212, 175, 55, 0.12);
  --about-red-glow: rgba(198, 40, 40, 0.10);
  --about-card-radius: 16px;
  --about-timeline-width: 4px;
  --about-node-size: 18px;
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: var(--color-bg, #1A1A2E);
  color: var(--color-text-body, #E0E0E0);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  line-height: 1.7;
  padding: 0 16px 48px;
  position: relative;
  overflow-x: hidden;
}

/* 面包屑 */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 12px;
  font-size: 0.85rem;
  color: var(--color-text-body, #B0B0B0);
  max-width: var(--max-width, 1200px);
  width: 100%;
  margin: 0 auto;
}
.page-about .breadcrumb-item {
  color: var(--color-text-body, #B0B0B0);
  text-decoration: none;
  transition: color 0.2s;
}
.page-about .breadcrumb-item:hover {
  color: var(--color-primary, #D4AF37);
}
.page-about .breadcrumb-item.active {
  color: var(--color-primary, #D4AF37);
  font-weight: 600;
  pointer-events: none;
}
.page-about .breadcrumb-separator {
  color: var(--color-primary-dark, #B8860B);
  user-select: none;
}

/* 通用章节头 */
.page-about .section-label {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.9rem;
  color: var(--color-primary, #D4AF37);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  opacity: 0.7;
}
.page-about h2 {
  font-family: var(--font-heading, 'Noto Serif SC', serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-text-primary, #FFD700);
  margin: 0 0 12px;
  line-height: 1.2;
}
.page-about .section-intro {
  font-size: 1.05rem;
  color: var(--color-text-body, #C0C0C0);
  max-width: 600px;
  margin: 0 0 40px;
  line-height: 1.6;
}

/* ===== HERO ===== */
.page-about .about-hero {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 24px 0 40px;
  max-width: var(--max-width, 1200px);
  width: 100%;
  margin: 0 auto;
  position: relative;
}
.page-about .about-hero::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -10%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, var(--about-gold-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.page-about .hero-text {
  position: relative;
  z-index: 1;
}
.page-about .hero-kicker {
  display: inline-block;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.8rem;
  color: var(--color-accent, #00BCD4);
  letter-spacing: 0.15em;
  padding: 4px 12px;
  border: 1px solid var(--color-border, rgba(212, 175, 55, 0.3));
  border-radius: 4px;
  background: rgba(0, 188, 212, 0.06);
  margin-bottom: 16px;
}
.page-about h1 {
  font-family: var(--font-heading, 'Noto Serif SC', serif);
  font-size: clamp(2.4rem, 7vw, 4rem);
  font-weight: 700;
  color: var(--color-text-primary, #FFD700);
  line-height: 1.15;
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}
.page-about .hero-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-body, #D0D0D0);
  max-width: 500px;
  margin: 0 0 24px;
  line-height: 1.7;
}
.page-about .hero-emblems {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .emblem-item {
  font-size: 0.9rem;
  color: var(--color-primary, #D4AF37);
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 24px;
  padding: 6px 16px;
  letter-spacing: 0.02em;
}
.page-about .hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}
.page-about .hero-image-frame {
  position: relative;
  display: inline-block;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border, rgba(212, 175, 55, 0.3));
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(212, 175, 55, 0.08);
}
.page-about .hero-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 350 / 500;
}
.page-about .hero-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, transparent 50%, rgba(198, 40, 40, 0.04) 100%);
  pointer-events: none;
}

/* ===== 十年征程 · 时间轴 ===== */
.page-about .journey-section {
  padding: 48px 0;
  max-width: var(--max-width, 1200px);
  width: 100%;
  margin: 0 auto;
}
.page-about .timeline-wrapper {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-about .timeline {
  position: relative;
  padding-left: 28px;
  flex: 1;
}
.page-about .timeline::before {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 11px;
  width: var(--about-timeline-width);
  background: linear-gradient(to bottom, var(--color-primary, #D4AF37), var(--color-secondary, #C62828), var(--color-primary, #D4AF37));
  border-radius: 2px;
  opacity: 0.6;
}
.page-about .timeline-node {
  position: relative;
  display: flex;
  gap: 20px;
  padding-bottom: 36px;
}
.page-about .timeline-node:last-child {
  padding-bottom: 0;
}
.page-about .node-marker {
  position: absolute;
  left: -28px;
  top: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 28px;
}
.page-about .node-dot {
  width: var(--about-node-size);
  height: var(--about-node-size);
  border-radius: 50%;
  background: var(--color-primary, #D4AF37);
  border: 3px solid var(--color-bg, #1A1A2E);
  box-shadow: 0 0 0 2px var(--color-primary, #D4AF37), 0 4px 12px rgba(212, 175, 55, 0.3);
  flex-shrink: 0;
  z-index: 1;
  transition: transform 0.3s, box-shadow 0.3s;
}
.page-about .timeline-node:hover .node-dot {
  transform: scale(1.2);
  box-shadow: 0 0 0 3px var(--color-primary, #D4AF37), 0 6px 20px rgba(212, 175, 55, 0.4);
}
.page-about .node-line {
  display: none;
}
.page-about .node-content {
  flex: 1;
}
.page-about .node-phase {
  display: block;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.95rem;
  color: var(--color-primary, #D4AF37);
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}
.page-about .node-desc {
  font-size: 0.95rem;
  color: var(--color-text-body, #C8C8C8);
  margin: 0;
  line-height: 1.6;
}
.page-about .timeline-image {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 8px;
}
.page-about .timeline-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--color-border, rgba(212, 175, 55, 0.2));
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  aspect-ratio: 250 / 200;
}

/* ===== 财神文化 ===== */
.page-about .culture-section {
  padding: 48px 0;
  max-width: var(--max-width, 1200px);
  width: 100%;
  margin: 0 auto;
}
.page-about .culture-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-about .culture-card {
  background: var(--color-surface, #16213E);
  border-radius: var(--about-card-radius);
  padding: 28px 24px;
  border: 1px solid var(--color-border, rgba(212, 175, 55, 0.15));
  box-shadow: var(--card-shadow, 0 4px 20px rgba(0,0,0,0.4));
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.page-about .culture-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-stack-shadow, 0 8px 32px rgba(0,0,0,0.5));
  border-color: rgba(212, 175, 55, 0.35);
}
.page-about .card-icon {
  margin-bottom: 12px;
  opacity: 0.8;
}
.page-about .card-icon svg {
  display: block;
  width: 44px;
  height: 44px;
}
.page-about .card-number {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(212, 175, 55, 0.15);
  letter-spacing: 0.02em;
  transition: color 0.3s;
}
.page-about .culture-card:hover .card-number {
  color: rgba(212, 175, 55, 0.35);
}
.page-about .card-title {
  font-family: var(--font-heading, 'Noto Serif SC', serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary, #FFD700);
  margin: 0 0 10px;
  line-height: 1.3;
}
.page-about .card-desc {
  font-size: 0.92rem;
  color: var(--color-text-body, #C0C0C0);
  margin: 0;
  line-height: 1.65;
}

/* ===== 用户信赖 ===== */
.page-about .trust-section {
  padding: 48px 0;
  max-width: var(--max-width, 1200px);
  width: 100%;
  margin: 0 auto;
}
.page-about .trust-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.page-about .trust-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-about .trust-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.page-about .trust-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary, #D4AF37);
  color: var(--color-bg, #1A1A2E);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 2px;
}
.page-about .trust-item strong {
  display: block;
  font-family: var(--font-heading, 'Noto Serif SC', serif);
  font-size: 1.05rem;
  color: var(--color-text-primary, #FFD700);
  font-weight: 600;
  margin-bottom: 4px;
}
.page-about .trust-item p {
  font-size: 0.92rem;
  color: var(--color-text-body, #C8C8C8);
  margin: 0;
  line-height: 1.6;
}
.page-about .trust-cta {
  align-self: flex-start;
  margin-top: 12px;
  background: transparent;
  border: 1.5px solid var(--color-secondary, #C62828);
  color: var(--color-secondary, #C62828);
  padding: 10px 28px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.page-about .trust-cta:hover {
  background: var(--color-secondary, #C62828);
  color: #fff;
}
.page-about .trust-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-about .trust-image-frame {
  position: relative;
  display: inline-block;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-primary, #D4AF37);
  box-shadow: 0 0 30px var(--about-gold-glow), 0 4px 20px rgba(0,0,0,0.3);
}
.page-about .trust-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 150 / 150;
}
.page-about .trust-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(212, 175, 55, 0.08), transparent 60%);
  pointer-events: none;
}

/* ===== 内部链接 ===== */
.page-about .about-links {
  padding: 48px 0 16px;
  max-width: var(--max-width, 1200px);
  width: 100%;
  margin: 0 auto;
}
.page-about .links-heading {
  font-family: var(--font-heading, 'Noto Serif SC', serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text-primary, #FFD700);
  margin: 0 0 24px;
  line-height: 1.2;
}
.page-about .links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-about .link-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--color-surface, #16213E);
  border-radius: 14px;
  padding: 22px 24px;
  border: 1px solid var(--color-border, rgba(212, 175, 55, 0.12));
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.page-about .link-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary, #D4AF37);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}
.page-about .link-card-number {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.85rem;
  color: var(--color-accent, #00BCD4);
  opacity: 0.6;
}
.page-about .link-card-title {
  font-family: var(--font-heading, 'Noto Serif SC', serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary, #FFD700);
}
.page-about .link-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-body, #AAB);
  line-height: 1.4;
}
.page-about .link-card-arrow {
  position: absolute;
  right: 20px;
  bottom: 20px;
  font-size: 1.2rem;
  color: var(--color-primary, #D4AF37);
  transition: transform 0.2s;
}
.page-about .link-card:hover .link-card-arrow {
  transform: translateX(4px);
}

/* ===== 滚动高亮（渐进增强） ===== */
.page-about [data-scroll-section] {
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.page-about .section-active {
  opacity: 1;
  transform: translateY(0);
}
.page-about [data-scroll-section]:not(.section-active) {
  opacity: 0.96;
  transform: translateY(0);
}

/* ===== 桌面端（≥768px） ===== */
@media (min-width: 768px) {
  .page-about {
    padding: 0 32px 64px;
  }
  .page-about .about-hero {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 40px 0 60px;
    gap: 48px;
  }
  .page-about .hero-text {
    flex: 1;
    max-width: 580px;
  }
  .page-about .hero-visual {
    flex: 0 0 auto;
  }
  .page-about .hero-image-frame {
    width: 350px;
  }
  .page-about .timeline-wrapper {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
  .page-about .timeline {
    padding-left: 32px;
  }
  .page-about .timeline::before {
    left: 13px;
  }
  .page-about .node-marker {
    left: -32px;
  }
  .page-about .timeline-image {
    padding-top: 12px;
  }
  .page-about .culture-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-about .culture-card {
    padding: 32px 28px;
  }
  .page-about .trust-layout {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }
  .page-about .trust-content {
    gap: 24px;
  }
  .page-about .trust-visual {
    flex: 0 0 180px;
  }
  .page-about .links-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .page-about .link-card {
    padding: 28px 26px;
  }
}

/* ===== 大桌面端（≥1024px） ===== */
@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 60px 0 80px;
  }
  .page-about h1 {
    font-size: 3.6rem;
  }
  .page-about .journey-section,
  .page-about .culture-section,
  .page-about .trust-section,
  .page-about .about-links {
    padding: 64px 0;
  }
  .page-about .culture-grid {
    gap: 28px;
  }
}

/* ===== 超大桌面端（≥1200px） ===== */
@media (min-width: 1200px) {
  .page-about .about-hero {
    gap: 64px;
  }
  .page-about .timeline-wrapper {
    gap: 64px;
  }
}