/* ==========================================================
   page-about 品牌故事页专属样式
   移动端优先，全局变量引用自 site_kit.css_variables
   ========================================================== */
.page-about {
  --about-deep: #0A1128;
  --about-panel: #101B33;
  --about-edge: #243447;
  --about-accent: #00E676;
  --about-gold: #FFC400;
  --about-muted: #8A9BA8;
  --about-text: #F2F7FA;
  background-color: var(--about-deep);
  color: var(--about-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .about-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 96px;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 40px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--about-muted);
}

.page-about .breadcrumb a {
  color: var(--about-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--about-gold);
  outline: none;
}

.page-about .breadcrumb .breadcrumb-sep {
  color: var(--about-muted);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin: 0 0 104px;
  position: relative;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(0, 230, 118, 0.35);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 64px;
  height: 3px;
  background: var(--about-gold);
}

.page-about .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--about-accent);
  border-left: 3px solid var(--about-accent);
  padding-left: 12px;
  margin: 0 0 18px;
}

.page-about .about-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.2vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--about-text);
  transform: skewX(-2deg);
  transform-origin: left center;
  max-width: 12em;
}

.page-about .page-lead {
  font-size: 1.06rem;
  line-height: 1.75;
  color: var(--about-muted);
  max-width: 54ch;
  margin: 0 0 28px;
}

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

.page-about .about-hero-actions .btn {
  margin: 0;
}

.page-about .about-hero-figure {
  margin: 0;
  padding: 0;
  border: 3px solid var(--about-gold);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.55);
  background: var(--about-panel);
}

.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .figure-note {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--about-muted);
  text-align: right;
  border-top: 1px solid rgba(138, 155, 168, 0.25);
}

/* ---------- 通用区块节奏 ---------- */
.page-about .section {
  margin-bottom: 88px;
}

.page-about .section-head {
  margin: 0 0 30px;
  padding-left: 16px;
  position: relative;
}

.page-about .section-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--about-accent);
}

.page-about .section-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-accent);
  margin: 0 0 8px;
}

.page-about .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.6vw, 2.2rem);
  line-height: 1.2;
  margin: 0;
  color: var(--about-text);
  transform: skewX(-2deg);
  transform-origin: left center;
}

/* ---------- 品牌起源 ---------- */
.page-about .about-origin {
  background:
    repeating-linear-gradient(135deg, rgba(0, 230, 118, 0.02) 0, rgba(0, 230, 118, 0.02) 2px, transparent 2px, transparent 18px),
    var(--about-panel);
  border-top: 2px solid var(--about-accent);
  border-bottom: 2px solid var(--about-edge);
  padding: 36px 24px;
}

.page-about .about-origin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 32px;
}

.page-about .about-origin-copy p {
  margin: 0 0 18px;
  line-height: 1.75;
  color: var(--about-text);
}

.page-about .about-origin-copy .btn {
  margin-top: 12px;
}

.page-about .about-origin-fact {
  background: var(--about-deep);
  border: 3px solid var(--about-gold);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  margin: 0;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.35);
}

.page-about .about-fact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-muted);
  margin: 14px 0 4px;
}

.page-about .about-fact-num {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--about-accent);
  margin: 0 0 8px;
  line-height: 1;
}

.page-about .about-fact-unit {
  font-size: 1rem;
  color: var(--about-muted);
  margin-left: 6px;
}

/* ---------- 发展历程 & 时间轴 ---------- */
.page-about .about-journey {
  position: relative;
}

.page-about .about-journey-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-bottom: 28px;
}

.page-about .about-journey-timeline {
  list-style: none;
  margin: 0;
  padding: 6px 0 0;
}

.page-about .about-timeline-item {
  position: relative;
  margin: 0;
  padding: 0 0 44px 32px;
  border-left: 2px solid rgba(0, 230, 118, 0.4);
}

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

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--about-deep);
  border: 3px solid var(--about-accent);
}

.page-about .about-timeline-item--milestone {
  border-left: 3px solid var(--about-gold);
  background: linear-gradient(100deg, rgba(255, 196, 0, 0.12), rgba(255, 196, 0, 0.02) 75%);
  padding: 18px 18px 22px 34px;
  margin-left: -1px;
}

.page-about .about-timeline-item--milestone::before {
  left: -9px;
  width: 16px;
  height: 16px;
  background: var(--about-gold);
  border-color: var(--about-gold);
  box-shadow: 0 0 0 4px rgba(255, 196, 0, 0.18);
}

.page-about .about-timeline-item--milestone .timeline-title {
  color: var(--about-gold);
}

.page-about .timeline-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--about-accent);
  margin-bottom: 6px;
}

.page-about .timeline-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 8px;
  color: var(--about-text);
}

.page-about .timeline-desc {
  color: var(--about-muted);
  line-height: 1.65;
  font-size: 0.95rem;
}

.page-about .about-journey-figure {
  margin: 0;
  border: 2px solid var(--about-edge);
  background: var(--about-panel);
}

.page-about .about-journey-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-about .about-journey-figure .figure-note {
  border-top: 1px solid rgba(138, 155, 168, 0.25);
}

.page-about .about-journey-link {
  margin-top: 8px;
}

/* ---------- 服务理念 ---------- */
.page-about .about-values {
  background:
    linear-gradient(rgba(16, 27, 51, 0.8), rgba(16, 27, 51, 0.8)),
    repeating-linear-gradient(45deg, rgba(255, 196, 0, 0.06) 0, rgba(255, 196, 0, 0.06) 2px, transparent 2px, transparent 22px);
  border-top: 2px solid var(--about-gold);
  border-bottom: 2px solid var(--about-edge);
  padding: 36px 24px;
}

.page-about .about-values-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 32px 0 28px;
}

.page-about .about-value-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  border-left: 3px solid var(--about-accent);
  background: rgba(10, 17, 40, 0.72);
  padding: 24px 20px;
  margin: 0;
}

.page-about .about-value-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1;
  margin-top: 4px;
  flex-shrink: 0;
}

.page-about .about-value-copy h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 8px;
  color: var(--about-text);
}

.page-about .about-value-copy p {
  margin: 0;
  line-height: 1.65;
  color: var(--about-muted);
  font-size: 0.95rem;
}

.page-about .about-value-item:focus-within {
  background: rgba(0, 230, 118, 0.08);
}

.page-about .about-trust {
  border-top: 1px dashed rgba(0, 230, 118, 0.4);
  border-bottom: 1px dashed rgba(0, 230, 118, 0.4);
  padding: 20px 4px;
  margin-bottom: 28px;
}

.page-about .about-trust p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--about-text);
}

.page-about .about-values-link {
  margin-top: 4px;
}

/* ---------- 行业观察 ---------- */
.page-about .about-insight-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.page-about .about-insight-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .about-insight-item {
  position: relative;
  padding: 0 0 0 22px;
  margin: 0;
}

.page-about .about-insight-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--about-accent);
  transform: rotate(45deg);
}

.page-about .about-insight-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 8px;
  color: var(--about-text);
}

.page-about .about-insight-item p {
  margin: 0;
  line-height: 1.68;
  color: var(--about-muted);
  font-size: 0.95rem;
}

.page-about .about-insight-item:focus-within {
  background: rgba(0, 230, 118, 0.05);
}

.page-about .about-insight-text .btn {
  margin-top: 10px;
}

.page-about .about-insight-figure {
  margin: 0;
  border: 2px solid var(--about-gold);
  background: var(--about-panel);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.4);
}

.page-about .about-insight-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 按钮基调 ---------- */
.page-about .btn-accent {
  background: var(--about-accent);
  color: #071221;
  border: 2px solid var(--about-accent);
}

.page-about .btn-accent:hover,
.page-about .btn-accent:focus-visible {
  background: var(--about-gold);
  border-color: var(--about-gold);
}

.page-about .btn-ghost {
  background: transparent;
  color: var(--about-text);
  border: 2px solid rgba(242, 247, 250, 0.45);
}

.page-about .btn-ghost:hover,
.page-about .btn-ghost:focus-visible {
  border-color: var(--about-accent);
  color: var(--about-accent);
}

.page-about a:focus-visible {
  outline: 3px solid var(--about-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ==========================================================
   桌面布局
   ========================================================== */
@media (min-width: 900px) {
  .page-about .about-shell {
    padding: 40px 32px 120px;
  }

  .page-about .breadcrumb {
    margin-bottom: 56px;
  }

  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: center;
    margin-bottom: 120px;
  }

  .page-about .about-hero-figure {
    margin: 0;
  }

  .page-about .section {
    margin-bottom: 120px;
  }

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

  .page-about .about-origin {
    padding: 48px 40px;
  }

  .page-about .about-origin-grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 52px;
    align-items: stretch;
  }

  .page-about .about-origin-copy {
    padding-right: 12px;
  }

  .page-about .about-journey-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-journey-figure {
    position: sticky;
    top: 32px;
    margin: 24px 0 0;
  }

  .page-about .about-values {
    padding: 48px 40px;
  }

  .page-about .about-values-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 40px;
  }

  .page-about .about-value-item {
    flex-direction: column;
    gap: 14px;
    padding: 28px 24px;
  }

  .page-about .about-value-num {
    font-size: 1.8rem;
  }

  .page-about .about-insight-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-insight-figure {
    margin-top: 8px;
  }
}

/* 减少动态倾斜，适配动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-title,
  .page-about .section-title {
    transform: none;
  }

  .page-about .about-hero::before,
  .page-about .about-journey-layout,
  .page-about .about-insight-layout {
    transition: none;
  }
}