/* ===== 品牌概况 /profile/ 页面专属样式 ===== */
.page-about .about-hero {
  padding: 28px 0 56px;
  border-bottom: 1px solid var(--c-black);
  background-image:
    linear-gradient(90deg, rgba(17, 17, 17, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 17, 17, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 32px;
}

.page-about .about-hero-copy {
  max-width: 820px;
}

.page-about .about-hero .page-title {
  margin: 4px 0 16px;
  font-size: 36px;
  line-height: 1.12;
}

.page-about .about-hero .page-lead {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
  margin-top: 28px;
}

.page-about .about-hero-note .data-panel {
  background: var(--c-white);
  border: 1px solid var(--c-black);
  box-shadow: 8px 8px 0 var(--c-black);
}

.page-about .about-hero-note .data-row {
  border-bottom: 1px solid var(--c-light);
}

/* ===== 品牌故事 ===== */
.page-about .about-story {
  padding: 64px 0 72px;
}

.page-about .about-story-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about .about-story-copy .eyebrow {
  margin-bottom: 10px;
}

.page-about .about-story-copy h2 {
  margin: 0 0 20px;
  font-size: 28px;
  line-height: 1.3;
}

.page-about .about-story-copy p {
  margin: 0 0 16px;
  color: var(--c-gray);
  line-height: 1.8;
}

.page-about .about-story-copy .arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-weight: 600;
  color: var(--c-black);
  text-decoration: none;
  border-bottom: 2px solid var(--c-black);
  padding-bottom: 4px;
  transition: color var(--transition), border-color var(--transition);
}

.page-about .about-story-copy .arrow-link:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-about .about-story-copy .arrow-link .arrow {
  transition: transform var(--transition);
}

.page-about .about-story-copy .arrow-link:hover .arrow {
  transform: translateX(4px);
}

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

.page-about .about-story-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.page-about .about-story-figure .media-caption {
  margin-top: 10px;
}

/* ===== 关键数据面板 ===== */
.page-about .about-stats {
  padding: 56px 0;
  background: var(--c-black);
}

.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.page-about .about-stat-card {
  background: #1b1b1b;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-top-width: 4px;
  padding: 28px 20px 24px;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.page-about .about-stat-card:hover {
  border-color: rgba(255, 255, 255, 0.38);
  background: #222;
  transform: translateY(-2px);
}

.page-about .about-stat-card:nth-child(1) {
  border-top-color: var(--c-orange);
}

.page-about .about-stat-card:nth-child(2) {
  border-top-color: var(--c-blue);
}

.page-about .about-stat-card:nth-child(3) {
  border-top-color: var(--c-green);
}

.page-about .about-stat-card:nth-child(4) {
  border-top-color: var(--c-blue);
}

.page-about .about-stat-num {
  margin: 0;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.08;
  color: var(--c-white);
}

.page-about .about-stat-label {
  margin: 10px 0 0;
  color: var(--c-mid);
  font-size: 14px;
  line-height: 1.5;
}

/* ===== 发展历程时间线 ===== */
.page-about .about-timeline {
  padding: 64px 0 72px;
  background-image:
    linear-gradient(90deg, rgba(27, 107, 143, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(27, 107, 143, 0.055) 1px, transparent 1px);
  background-size: 36px 36px;
}

.page-about .about-timeline .section-head {
  margin-bottom: 0;
}

.page-about .about-timeline-strip {
  position: relative;
  height: 160px;
  margin: 36px 0 48px;
  overflow: hidden;
}

.page-about .about-timeline-strip img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-timeline-strip-years {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  color: var(--c-white);
  background: linear-gradient(90deg, rgba(17, 17, 17, 0.42) 0%, rgba(17, 17, 17, 0.12) 50%, rgba(17, 17, 17, 0.42) 100%);
}

.page-about .about-timeline-strip-years span {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
}

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

.page-about .about-timeline-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 4px;
  bottom: 28px;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--c-blue) 0 6px, transparent 6px 12px);
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 52px;
  margin-bottom: 30px;
}

.page-about .about-timeline-node {
  position: absolute;
  left: 0;
  top: 2px;
  width: 32px;
  height: 28px;
}

.page-about .about-timeline-dot {
  position: absolute;
  top: 5px;
  left: 9px;
  width: 12px;
  height: 12px;
  background: var(--c-orange);
  border: 2px solid var(--c-white);
  box-shadow: 0 0 0 2px var(--c-orange);
  border-radius: 50%;
  z-index: 1;
}

.page-about .about-timeline-year {
  display: none;
}

.page-about .about-timeline-card {
  background: var(--c-white);
  border: 1px solid var(--c-mid);
  padding: 18px 18px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-about .about-timeline-card:hover,
.page-about .about-timeline-item:hover .about-timeline-card {
  border-color: var(--c-blue);
  box-shadow: 4px 4px 0 rgba(27, 107, 143, 0.12);
}

.page-about .about-timeline-card-year {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 8px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-white);
  background: var(--c-blue);
}

.page-about .about-timeline-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.4;
}

.page-about .about-timeline-card p {
  margin: 0;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 资质与认证 ===== */
.page-about .about-cert {
  padding: 64px 0;
  background: var(--c-light);
}

.page-about .about-cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 36px;
}

.page-about .about-cert-card {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--c-mid);
  padding: 30px 24px 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.page-about .about-cert-card:hover {
  border-color: var(--c-orange);
  box-shadow: 0 0 0 1px var(--c-orange);
  transform: translateY(-2px);
}

.page-about .about-cert-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border: 1px solid var(--c-black);
  color: var(--c-blue);
  background: var(--c-white);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.page-about .about-cert-card:hover .about-cert-icon {
  border-color: var(--c-orange);
  color: var(--c-white);
  background: var(--c-orange);
}

.page-about .about-cert-icon svg {
  width: 24px;
  height: 24px;
}

.page-about .about-cert-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.4;
}

.page-about .about-cert-card p {
  margin: 0;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.75;
}

/* ===== 团队与运营 ===== */
.page-about .about-team {
  padding: 72px 0;
}

.page-about .about-team-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

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

.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-team-copy .eyebrow {
  margin-bottom: 10px;
}

.page-about .about-team-copy h2 {
  margin: 0 0 20px;
  font-size: 28px;
  line-height: 1.3;
}

.page-about .about-team-copy > p {
  margin: 0 0 16px;
  color: var(--c-gray);
  line-height: 1.8;
}

.page-about .about-team-list {
  list-style: none;
  margin: 24px 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-team-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-mid);
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-team-list .tag {
  flex-shrink: 0;
}

.page-about .about-team-note {
  margin: 20px 0 24px;
  padding: 14px 16px;
  background: var(--c-light);
  border-left: 3px solid var(--c-green);
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-team-copy .arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--c-black);
  text-decoration: none;
  border-bottom: 2px solid var(--c-black);
  padding-bottom: 4px;
  transition: color var(--transition), border-color var(--transition);
}

.page-about .about-team-copy .arrow-link:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-about .about-team-copy .arrow-link .arrow {
  transition: transform var(--transition);
}

.page-about .about-team-copy .arrow-link:hover .arrow {
  transform: translateX(4px);
}

/* ===== 继续浏览卡片 ===== */
.page-about .about-nav {
  padding: 56px 0 72px;
  background: var(--c-light);
  border-top: 1px solid var(--c-black);
}

.page-about .about-nav-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 36px;
}

.page-about .about-nav-card {
  display: block;
  position: relative;
  padding: 26px 22px 22px;
  background: var(--c-white);
  border: 1px solid var(--c-black);
  color: var(--c-black);
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.page-about .about-nav-card:hover {
  background: var(--c-black);
  color: var(--c-white);
  transform: translateY(-2px);
}

.page-about .about-nav-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1;
  color: var(--c-blue);
  transition: color var(--transition);
}

.page-about .about-nav-card:hover .about-nav-num {
  color: var(--c-orange);
}

.page-about .about-nav-title {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.page-about .about-nav-text {
  display: block;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.7;
  transition: color var(--transition);
}

.page-about .about-nav-card:hover .about-nav-text {
  color: var(--c-mid);
}

.page-about .about-nav-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-weight: 600;
  font-size: 14px;
}

.page-about .about-nav-more .arrow {
  transition: transform var(--transition), color var(--transition);
}

.page-about .about-nav-card:hover .about-nav-more .arrow {
  transform: translateX(4px);
  color: var(--c-orange);
}

/* ===== 桌面端网格与版式 ===== */
@media (min-width: 1024px) {

  .page-about .about-hero {
    padding: 36px 0 72px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 64px;
    align-items: start;
    margin-top: 16px;
  }

  .page-about .about-hero .page-title {
    font-size: 52px;
    line-height: 1.08;
  }

  .page-about .about-hero .page-lead {
    font-size: 18px;
  }

  .page-about .about-story {
    padding: 88px 0;
  }

  .page-about .about-story-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 64px;
    align-items: center;
  }

  .page-about .about-story-copy h2,
  .page-about .about-team-copy h2 {
    font-size: 32px;
  }

  .page-about .about-stats {
    padding: 64px 0;
  }

  .page-about .about-stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-about .about-stat-num {
    font-size: 40px;
  }

  .page-about .about-timeline {
    padding: 88px 0 96px;
  }

  .page-about .about-timeline-strip {
    height: 260px;
    margin: 48px 0 64px;
  }

  .page-about .about-timeline-strip-years {
    padding: 0 72px;
  }

  .page-about .about-timeline-strip-years span {
    font-size: 34px;
  }

  .page-about .about-timeline-list {
    display: flex;
    gap: 24px;
  }

  .page-about .about-timeline-list::before {
    left: 4%;
    right: 4%;
    width: auto;
    top: 48px;
    bottom: auto;
    height: 2px;
    background: var(--c-blue);
  }

  .page-about .about-timeline-item {
    flex: 1;
    padding-left: 0;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
  }

  .page-about .about-timeline-node {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }

  .page-about .about-timeline-dot {
    position: relative;
    top: auto;
    left: auto;
    width: 14px;
    height: 14px;
    border-radius: 0;
    transform: rotate(45deg);
    box-shadow: 0 0 0 2px var(--c-orange);
  }

  .page-about .about-timeline-year {
    display: block;
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--c-gray);
  }

  .page-about .about-timeline-card {
    height: 100%;
    min-height: 150px;
    margin-top: 0;
    padding: 20px 20px 18px;
  }

  .page-about .about-cert {
    padding: 88px 0;
  }

  .page-about .about-cert-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
  }

  .page-about .about-team {
    padding: 96px 0;
  }

  .page-about .about-team-split {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 64px;
    align-items: center;
  }

  .page-about .about-team-list {
    gap: 14px;
  }

  .page-about .about-nav {
    padding: 72px 0 96px;
  }

  .page-about .about-nav-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
  }
}