/* ══════════════════════════════════════════
   关于我们 · 与诚聘/服务页同一套体系
   ══════════════════════════════════════════ */

.page-about {
  --about-radius: 14px;
  --about-radius-sm: 11px;
  --about-shadow: 0 1px 2px rgba(17, 17, 17, 0.02), 0 8px 28px rgba(17, 17, 17, 0.05);
  --about-shadow-hover: 0 12px 36px rgba(207, 56, 52, 0.1), 0 16px 40px rgba(17, 17, 17, 0.05);
}

/* ── Hero · two-column（同 join / service）── */
.page-about .page-hero__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 400px);
  gap: 48px;
  align-items: center;
}
.page-about .page-hero__copy {
  min-width: 0;
}
.page-about .page-hero__lead {
  max-width: none;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
  letter-spacing: 0.02em;
}
.page-about .page-hero__panel {
  position: relative;
  padding: 22px 22px 20px;
  border: 1px solid var(--inner-line);
  border-radius: var(--about-radius);
  background: linear-gradient(152deg, rgba(255, 255, 255, 0.96) 0%, rgba(253, 248, 247, 0.88) 100%);
  box-shadow: var(--about-shadow);
  overflow: hidden;
}
.page-about .page-hero__panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), rgba(207, 56, 52, 0.08));
}
.page-about .page-hero__panel-deco {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 180px;
  height: 180px;
  pointer-events: none;
}
.page-about .page-hero__panel-deco span {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(207, 56, 52, 0.1);
}
.page-about .page-hero__panel-deco span:nth-child(1) {
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(207, 56, 52, 0.06) 0%, transparent 65%);
}
.page-about .page-hero__panel-deco span:nth-child(2) {
  inset: 18px;
  border-color: rgba(207, 56, 52, 0.14);
}
.page-about .page-hero__panel-deco span:nth-child(3) {
  inset: 36px;
  border-color: rgba(207, 56, 52, 0.08);
  background: radial-gradient(circle, rgba(207, 56, 52, 0.04) 0%, transparent 70%);
}
.page-about .page-hero__panel-label {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 14px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.page-about .page-hero__metrics {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.page-about .page-hero__metrics li {
  padding: 12px 10px;
  text-align: center;
  border: 1px solid var(--inner-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.85);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.page-about .page-hero__metrics li:hover {
  border-color: rgba(207, 56, 52, 0.14);
  box-shadow: 0 4px 12px rgba(17, 17, 17, 0.04);
}
.page-about .page-hero__metrics strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  color: var(--red);
  line-height: 1.2;
  margin-bottom: 3px;
  letter-spacing: 0.02em;
}
.page-about .page-hero__metrics span {
  display: block;
  font-size: 10px;
  line-height: 1.4;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.page-about .page-hero__tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--inner-line);
}
.page-about .page-hero__tags span {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--inner-line);
  color: var(--ink-2);
  letter-spacing: 0.02em;
}

/* ── Main · full width cards（同 join）── */
.page-about .about-main .page-main {
  gap: 20px;
}
.page-about .content-card {
  scroll-margin-top: 120px;
  padding: 34px 36px 36px;
  background: linear-gradient(168deg, #fff 0%, #fefdfb 55%, #fff 100%);
  box-shadow: var(--about-shadow);
  transition: box-shadow 0.32s, border-color 0.32s;
}
.page-about .content-card:hover {
  box-shadow: var(--about-shadow-hover);
}
.page-about .content-card h2 {
  margin-bottom: 0;
  padding-bottom: 16px;
}

/* 重置嵌套 h3，避免 content-card 全局样式干扰 */
.page-about .culture-card h3,
.page-about .timeline-item h3 {
  margin-top: 0;
  padding-left: 0;
}
.page-about .culture-card h3::before,
.page-about .timeline-item h3::before {
  display: none;
}

/* ── 页内锚点导航 ── */
.page-about .about-nav {
  position: sticky;
  top: 64px;
  z-index: 40;
  background: rgba(250, 248, 246, 0.92);
  border-bottom: 1px solid var(--inner-line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.page-about .about-nav__inner {
  display: flex;
  gap: 4px;
  padding: 10px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.page-about .about-nav__inner::-webkit-scrollbar {
  display: none;
}
.page-about .about-nav a {
  flex-shrink: 0;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background 0.22s, color 0.22s, border-color 0.22s;
  -webkit-tap-highlight-color: transparent;
}
.page-about .about-nav a:hover {
  color: var(--red);
  background: rgba(207, 56, 52, 0.04);
}
.page-about .about-nav a.is-active {
  color: var(--red);
  font-weight: 600;
  background: #fff;
  border-color: rgba(207, 56, 52, 0.16);
  box-shadow: 0 2px 8px rgba(17, 17, 17, 0.04);
}

/* lead 段落（同 join-lead / svc-lead）*/
.page-about .content-card > .about-lead {
  margin: 14px 0 18px;
  padding: 14px 16px 14px 13px;
  border: none;
  border-left: 2px solid rgba(207, 56, 52, 0.35);
  border-radius: 0 10px 10px 0;
  background: linear-gradient(90deg, var(--inner-accent-soft) 0%, transparent 100%);
  font-size: 13px;
  line-height: 1.82;
  color: var(--ink-2);
  max-width: none;
}

/* ── Highlights（同 join-highlights）── */
.page-about .about-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 0 0 22px;
}
.page-about .about-highlight {
  padding: 14px 12px;
  text-align: center;
  border: 1px solid var(--inner-line);
  border-radius: var(--about-radius-sm);
  background: linear-gradient(168deg, #fff 0%, var(--inner-surface-2) 100%);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.page-about .about-highlight:hover {
  border-color: rgba(207, 56, 52, 0.14);
  box-shadow: 0 4px 14px rgba(17, 17, 17, 0.04);
}
.page-about .about-highlight strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--red);
  line-height: 1.2;
  margin-bottom: 4px;
}
.page-about .about-highlight span {
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* ── Intro panel ── */
.page-about .intro-panel {
  margin-top: 4px;
  align-items: stretch;
}
.page-about .intro-panel__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.page-about .intro-panel__lead {
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.88;
}
.page-about .intro-panel__visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  min-height: 260px;
  padding: 22px 20px;
  border-radius: var(--about-radius-sm);
  border: 1px solid var(--inner-line);
  background: linear-gradient(168deg, #fff 0%, var(--inner-surface-2) 100%);
  box-shadow: var(--about-shadow);
}
.page-about .intro-panel__visual-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.page-about .intro-panel__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .intro-panel__stats li {
  padding: 14px 10px;
  text-align: center;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--inner-line);
}
.page-about .intro-panel__stats strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--red);
  line-height: 1.2;
  margin-bottom: 4px;
}
.page-about .intro-panel__stats span {
  display: block;
  font-size: 11px;
  color: var(--ink-3);
  line-height: 1.4;
}
.page-about .intro-panel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-about .intro-panel__tags span {
  font-size: 10px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--inner-line);
  color: var(--ink-2);
}
.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .about-facts li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--inner-line);
  border-radius: 10px;
  background: var(--inner-surface-2);
  font-size: 12.5px;
  line-height: 1.58;
  color: var(--ink-2);
  transition: background 0.22s, border-color 0.22s;
}
.page-about .about-facts li:hover {
  background: #fff;
  border-color: rgba(207, 56, 52, 0.12);
}
.page-about .about-facts li::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  margin-top: 0.5em;
  border-radius: 50%;
  background: var(--red);
  opacity: 0.65;
}
/* ── Culture · 保持三列 ── */
.page-about .culture-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 4px;
}
.page-about .culture-card {
  padding: 18px 16px;
  background: linear-gradient(168deg, #fff 0%, var(--inner-surface-2) 100%);
  transition: transform 0.28s, box-shadow 0.28s, border-color 0.28s, background 0.28s;
}
.page-about .culture-card:hover {
  background: #fff;
}
.page-about .culture-card::before {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  transition: background 0.28s, border-color 0.28s;
}
.page-about .culture-card:hover::before {
  background-color: var(--red);
  border-color: var(--red);
  background-image: none;
}
.page-about .culture-card:nth-child(1):hover::before {
  background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.8'%3E%3Cpath d='M12 2l2.4 7.4H22l-6 4.6 2.3 7-6.3-4.6L5.7 21l2.3-7-6-4.6h7.6z'/%3E%3C/svg%3E") center/18px no-repeat;
}
.page-about .culture-card:nth-child(2):hover::before {
  background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.8'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3C/svg%3E") center/18px no-repeat;
}
.page-about .culture-card:nth-child(3):hover::before {
  background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.8'%3E%3Cpath d='M12 3l8 4v6c0 5-3.5 8.5-8 10-4.5-1.5-8-5-8-10V7z'/%3E%3C/svg%3E") center/18px no-repeat;
}

/* ── Timeline ── */
.page-about .timeline {
  margin-top: 4px;
  padding-top: 4px;
}
.page-about .timeline-item {
  padding-bottom: 22px;
}
.page-about .timeline-item__body {
  padding: 22px 24px;
  background: linear-gradient(168deg, #fff 0%, var(--inner-surface-2) 100%);
}
.page-about .timeline-item:first-child .timeline-item__body {
  border-color: rgba(207, 56, 52, 0.14);
  box-shadow: 0 4px 16px rgba(207, 56, 52, 0.06);
}
.page-about .timeline-item h3 {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--inner-line);
}
.page-about .timeline-item h3 em {
  margin-right: 8px;
}

/* ── Partners ── */
.page-about .partner-grid {
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 4px;
}
.page-about .partner-item {
  justify-content: flex-start;
  text-align: left;
  padding: 13px 14px;
  font-size: 12.5px;
  background: linear-gradient(168deg, #fff 0%, var(--inner-surface-2) 100%);
}
.page-about .partner-item span {
  width: 30px;
  height: 30px;
  font-size: 11px;
  border-radius: 9px;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.page-about .partner-item:hover span {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}

/* ── CTA（同 join-cta 浅色风格）── */
.page-about .about-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  background: linear-gradient(128deg, #fff 0%, #fff9f8 50%, #fff 100%);
  border: 1px solid rgba(207, 56, 52, 0.12);
  border-radius: var(--about-radius);
  box-shadow: var(--about-shadow);
  position: relative;
  overflow: hidden;
}
.page-about .about-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), rgba(207, 56, 52, 0.1));
}
.page-about .about-cta__label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 5px;
}
.page-about .about-cta__label::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--red);
}
.page-about .about-cta p {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
}
.page-about .about-cta__link {
  padding: 9px 18px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
  background: var(--red);
  border: 1px solid var(--red);
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(207, 56, 52, 0.22);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s, color 0.25s;
}
.page-about .about-cta__link:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(207, 56, 52, 0.28);
  color: #fff;
}
.page-about .about-cta__link--ghost {
  color: var(--ink-2);
  background: #fff;
  border-color: var(--inner-line);
  box-shadow: none;
}
.page-about .about-cta__link--ghost:hover {
  border-color: rgba(207, 56, 52, 0.2);
  color: var(--red);
  box-shadow: 0 2px 8px rgba(17, 17, 17, 0.04);
}

@media (max-width: 1100px) {
  .page-about .page-hero__wrap {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .page-about .page-hero__panel {
    max-width: 520px;
  }
  .page-about .about-highlights {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .partner-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .page-about .about-nav {
    top: 56px;
  }
  .page-about .about-nav a {
    font-size: 12px;
    padding: 7px 14px;
  }
  .page-about .content-card {
    scroll-margin-top: 108px;
    padding: 24px 22px;
  }
  .page-about .about-facts {
    grid-template-columns: 1fr;
  }
  .page-about .culture-grid {
    grid-template-columns: 1fr;
  }
  .page-about .intro-panel {
    grid-template-columns: 1fr;
  }
  .page-about .intro-panel__visual {
    min-height: 0;
    padding: 18px 16px;
  }

  .page-about .intro-panel__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .page-about .intro-panel__stats strong {
    font-size: 18px;
  }
  .page-about .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-cta__actions {
    width: 100%;
  }
  .page-about .about-cta__link {
    flex: 1;
    text-align: center;
    min-width: calc(50% - 4px);
  }
}