.page-about {
  background: var(--c-mist);
}

.page-about .about-inner {
  max-width: 1120px;
  margin-inline: auto;
}

.page-about .exh-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ========== Hero 定场区 ========== */
.page-about .about-hero {
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 107, 44, 0.18), transparent 26%),
    linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-2) 70%, var(--c-navy-3) 100%);
  color: var(--c-white);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding: clamp(44px, 7vw, 84px) clamp(20px, 5vw, 56px) clamp(44px, 7vw, 72px);
  position: relative;
  overflow: hidden;
}

.page-about .about-hero-inner {
  max-width: 1120px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-about .about-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.page-about .about-breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.page-about .about-breadcrumb a:hover {
  color: var(--c-accent);
}

.page-about .about-breadcrumb-sep {
  color: rgba(255, 255, 255, 0.3);
  font-family: var(--font-number);
}

.page-about .about-hero-copy {
  flex: 1 1 auto;
}

.page-about .about-hero-kicker {
  margin: 0 0 12px;
  font-family: var(--font-number);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-about .about-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(42px, 8vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-about .about-hero-lead {
  max-width: 42em;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta-solid {
  background: var(--c-accent);
  color: var(--c-white);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.page-about .about-cta-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(255, 107, 44, 0.35);
}

.page-about .about-hero .pill-btn--ghost {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.3);
}

.page-about .about-hero-plaque {
  flex: 1 1 auto;
  position: relative;
  background: rgba(20, 38, 75, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 44px 22px 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  backdrop-filter: blur(10px);
}

.page-about .about-hero-art {
  position: absolute;
  top: 14px;
  right: 12px;
  width: 92px;
  height: 60px;
  opacity: 0.55;
  pointer-events: none;
}

.page-about .about-plaque-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-plaque-num {
  font-family: var(--font-number);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--c-white);
}

.page-about .about-plaque-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.58);
}

.page-about .about-hero-note {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

.page-about .about-hero-note::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
  background: var(--c-accent);
}

/* ========== 品牌故事 ========== */
.page-about .about-story {
  padding: clamp(64px, 9vw, 110px) clamp(20px, 4vw, 48px);
}

.page-about .about-story-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-about .about-story-copy .exh-tag {
  margin-bottom: 12px;
}

.page-about .about-story h2 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.2;
  color: var(--c-navy);
}

.page-about .about-story-lead {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.85;
  color: var(--c-navy-4);
}

.page-about .about-story-copy p:not(.about-story-lead) {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-about .about-story-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.page-about .about-metric {
  background: var(--c-white);
  border: 1px solid var(--c-silver);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  box-shadow: var(--shadow-card);
}

.page-about .about-metric strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-number);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: var(--c-navy);
}

.page-about .about-metric span {
  font-size: 13px;
  color: var(--c-gray);
}

.page-about .about-story-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.page-about .about-story-caption {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--c-gray);
}

/* ========== 发展里程碑 ========== */
.page-about .about-milestones {
  background:
    radial-gradient(circle at 90% 8%, rgba(26, 48, 95, 0.9), transparent 30%),
    linear-gradient(160deg, var(--c-navy-2) 0%, var(--c-navy) 100%);
  color: var(--c-white);
  padding: clamp(48px, 7vw, 88px) clamp(20px, 4vw, 48px);
}

.page-about .about-milestones .exh-tag,
.page-about .about-honors .exh-tag {
  background: rgba(255, 107, 44, 0.14);
  color: var(--c-accent);
}

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

.page-about .about-section-head h2 {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.25;
  color: var(--c-navy);
}

.page-about .about-milestones .about-section-head h2,
.page-about .about-honors .about-section-head h2 {
  color: var(--c-white);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-about .about-tl-item {
  position: relative;
  padding: 0 0 34px 34px;
}

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

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 15px;
  bottom: -4px;
  width: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.page-about .about-tl-item:last-child::before {
  display: none;
}

.page-about .about-tl-node {
  position: absolute;
  left: 4px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 5px rgba(255, 107, 44, 0.2);
  transition: box-shadow 0.3s var(--ease);
}

.page-about .about-tl-item:hover .about-tl-node {
  box-shadow: 0 0 0 9px rgba(255, 107, 44, 0.24);
}

.page-about .about-tl-year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-number);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.page-about .about-tl-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.4;
  color: var(--c-white);
}

.page-about .about-tl-item p {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.66);
}

.page-about .about-milestone-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.5);
  padding-bottom: 4px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .about-milestone-link:hover {
  color: var(--c-white);
  border-color: var(--c-accent);
}

/* ========== 团队与文化 ========== */
.page-about .about-team {
  padding: clamp(64px, 9vw, 110px) clamp(20px, 4vw, 48px);
}

.page-about .about-team-layout {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.page-about .about-team-card {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-about .about-team-card--main {
  overflow: hidden;
  background: var(--c-white);
  border: 1px solid var(--c-silver);
  transition: transform 0.3s var(--ease);
}

.page-about .about-team-card--main:hover {
  transform: translateY(-4px);
}

.page-about .about-team-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--c-silver);
}

.page-about .about-team-card-body {
  padding: 22px 24px 26px;
}

.page-about .about-team-card-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 22px;
  line-height: 1.35;
  color: var(--c-navy);
}

.page-about .about-team-card-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-about .about-team-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.page-about .about-team-card--mini {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 124px;
  padding: 22px 18px;
  background: var(--c-white);
  border: 1px solid var(--c-silver);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-team-card--mini:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 34px rgba(10, 20, 40, 0.1);
}

.page-about .about-mini-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-number);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--c-accent);
}

.page-about .about-team-card--mini p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-gray);
}

.page-about .about-team-quote {
  margin: 48px 0 0;
  padding: 20px 24px;
  background: var(--c-white);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius-lg);
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-navy-4);
  box-shadow: var(--shadow-card);
}

/* ========== 合作与荣誉 ========== */
.page-about .about-honors {
  background:
    radial-gradient(circle at 15% 85%, rgba(255, 107, 44, 0.1), transparent 32%),
    linear-gradient(150deg, var(--c-navy-3) 0%, var(--c-navy-2) 100%);
  color: var(--c-white);
  padding: clamp(56px, 8vw, 96px) clamp(20px, 4vw, 48px);
}

.page-about .about-honor-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .about-honor-copy p {
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.74);
}

.page-about .about-honor-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-honor-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--c-white);
}

.page-about .about-honor-list li span {
  flex: 0 0 78px;
  font-family: var(--font-number);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-accent);
  padding-top: 3px;
}

.page-about .about-honor-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-honors .pill-btn--ghost {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.3);
}

.page-about .about-honor-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 60px rgba(10, 20, 40, 0.4);
}

/* ========== 桌面端布局 ========== */
@media (min-width: 900px) {
  .page-about .about-hero-inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 64px;
  }

  .page-about .about-hero-copy {
    max-width: 620px;
  }

  .page-about .about-hero-plaque {
    flex: 0 0 340px;
  }

  .page-about .about-story-grid {
    grid-template-columns: 5fr 6fr;
    gap: 72px;
  }

  .page-about .about-timeline {
    flex-direction: row;
    justify-content: space-between;
    gap: 36px;
    position: relative;
  }

  .page-about .about-timeline::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.16);
  }

  .page-about .about-tl-item {
    flex: 1 1 0;
    padding: 40px 24px 0 0;
    margin: 0;
  }

  .page-about .about-tl-item::before {
    display: none;
  }

  .page-about .about-tl-node {
    top: -1px;
    left: 0;
  }

  .page-about .about-tl-item p {
    max-width: none;
  }

  .page-about .about-team-layout {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
    gap: 24px;
  }

  .page-about .about-honor-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }
}