/* about.css */

/* ===========================================
   关于我们页面顶部 Banner
   =========================================== */
.about-page-hero {
  min-height: 480px;
  padding-bottom: 40px;
  padding-top: calc(var(--header-h) + 30px);
}

.about-page-hero .page-hero-bg {
  background-size: 100% auto;
  background-position: left top;
}

.about-mission { background: var(--c-white); }
.mission-layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 80px;
  align-items: start;
}
.mission-text .section-label { margin-bottom: 12px; }
.mission-text h2 { font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 20px; }
.mission-text p { font-size: 0.95rem; color: var(--c-text-light); line-height: 1.8; margin-bottom: 16px; }
.mission-text blockquote {
  border-left: 3px solid var(--c-gold);
  padding: 12px 20px;
  margin: 28px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--c-dark);
  font-style: italic;
  background: rgba(245,158,11,0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.quote-author {
  font-size: 0.82rem;
  color: var(--c-text-light);
  margin-bottom: 0 !important;
  padding-left: 20px;
}

.mission-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-self: center;
}
.m-stat {
  background: var(--c-dark);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.m-stat:first-child { background: var(--c-gold); }
.m-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-white);
  line-height: 1;
  margin-bottom: 8px;
}
.m-stat:first-child strong { color: var(--c-dark); }
.m-stat span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.m-stat:first-child span { color: rgba(10,22,40,0.6); }

/* ABOUT COMPANY */
.about-company { background: var(--c-white); }

.company-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 0 auto 40px;
  max-width: 400px;
}
.company-title::before,
.company-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-gold);
}
.company-title {
  font-size: 1.4rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--c-gold-dark);
  white-space: nowrap;
  margin-bottom: 40px;
}

.company-text {
  max-width: 960px;
  margin: 0 auto;
}
.company-text p {
  font-size: 0.95rem;
  color: var(--c-text-light);
  line-height: 2;
  text-indent: 2em;
  margin-bottom: 24px;
}
.company-text p:last-child {
  margin-bottom: 0;
}

/* PRODUCTION LINE */
.about-production { background: var(--c-off-white); }

.production-intro {
  max-width: 960px;
  margin: 0 auto 40px;
}
.production-intro p {
  font-size: 0.95rem;
  color: var(--c-text-light);
  line-height: 2;
  text-indent: 2em;
  margin-bottom: 16px;
}
.production-intro p:last-child {
  margin-bottom: 0;
}

.production-subtitle {
  font-size: 1.1rem;
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--c-gold-dark);
  margin-bottom: 24px;
  padding-left: 14px;
  border-left: 3px solid var(--c-gold);
}

.production-process-img {
  max-width: 100%;
}
.production-process-img img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .production-process-img img {
    border-radius: var(--radius);
  }
}

/* QUALITY MANAGEMENT */
.about-quality { background: var(--c-white); }

.quality-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}
.quality-text p {
  font-size: 0.95rem;
  color: var(--c-text-light);
  line-height: 2;
  text-indent: 2em;
  margin-bottom: 16px;
}
.quality-text p:last-child {
  margin-bottom: 0;
}
.quality-images img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .quality-layout { grid-template-columns: 1fr; }
}

/* TIMELINE */
.about-timeline { background: var(--c-off-white); }

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--c-gray-200);
  transform: translateX(-50%);
}

.tl-item {
  display: grid;
  grid-template-columns: 1fr 40px 1fr;
  align-items: center;
  gap: 0;
  margin-bottom: 48px;
}
.tl-item.right .tl-year { order: 3; text-align: left; }
.tl-item.right .tl-dot { order: 2; }
.tl-item.right .tl-content { order: 1; text-align: right; }

.tl-year {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-gray-200);
  text-align: right;
  padding-right: 24px;
  transition: color 0.3s;
}
.tl-item:hover .tl-year { color: var(--c-gold); }

.tl-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--c-gold);
  border: 3px solid var(--c-off-white);
  box-shadow: 0 0 0 3px var(--c-gold);
  margin: 0 auto;
  z-index: 1;
  flex-shrink: 0;
}

.tl-content {
  padding-left: 24px;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  margin-left: 24px;
  transition: var(--transition);
}
.tl-item.right .tl-content {
  margin-left: 0;
  margin-right: 24px;
  text-align: right;
}
.tl-item:hover .tl-content { box-shadow: var(--shadow-md); }

.tl-content h3 {
  font-size: 1rem;
  font-family: var(--font-sans);
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--c-dark);
}
.tl-content p {
  font-size: 0.88rem;
  color: var(--c-text-light);
  line-height: 1.7;
}

/* TEAM */
.about-team { background: var(--c-white); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-gray-200);
  transition: var(--transition);
}
.team-card:hover {
  border-color: var(--c-gold);
  box-shadow: 0 8px 32px rgba(245,158,11,0.12);
  transform: translateY(-4px);
}
.team-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--c-dark);
  color: var(--c-gold);
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.team-card h3 {
  font-size: 1.05rem;
  font-family: var(--font-sans);
  font-weight: 700;
  margin-bottom: 4px;
}
.team-title {
  font-size: 0.78rem;
  color: var(--c-gold-dark);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.team-card p:not(.team-title) {
  font-size: 0.82rem;
  color: var(--c-text-light);
  line-height: 1.7;
}

/* CERTS */
.about-certs { background: var(--c-off-white); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.cert-item {
  text-align: center;
  padding: 28px 16px;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.cert-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cert-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--c-dark);
  margin-bottom: 8px;
}
.cert-item p {
  font-size: 0.75rem;
  color: var(--c-text-light);
}

/* Responsive */
@media (max-width: 1024px) {
  .mission-layout { gap: 48px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .mission-layout { grid-template-columns: 1fr; }
  .mission-stats { order: -1; }
  .timeline::before { left: 20px; }
  .tl-item { grid-template-columns: 40px 1fr; }
  .tl-year { display: none; }
  .tl-item.right .tl-content { text-align: left; margin: 0 0 0 24px; order: 1; }
  .tl-item.right .tl-dot { order: 0; }
  .tl-dot { margin: 0; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .team-grid { grid-template-columns: 1fr 1fr; }
}