/* ===== index.css — 首页企业级样式 ===== */

.index-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.index-about-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.index-about-photo {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 280px;
  box-shadow: var(--shadow-md);
}
.index-about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.index-about-card-corporate {
  background: var(--primary);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.08);
}
.index-about-card-corporate .corp-eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 12px;
}
.index-about-card-corporate .corp-name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.35;
}
.index-about-card-corporate .corp-en {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
  font-family: 'Inter', sans-serif;
  margin-bottom: 28px;
}

.index-about-stats-overlay {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
}
.iab-stat-item {
  flex: 1;
  padding: 20px 16px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.iab-stat-item:last-child { border-right: none; }
.iab-stat-num {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  font-family: 'Inter', sans-serif;
  line-height: 1;
}
.iab-stat-num em { font-style: normal; color: var(--accent-light); font-size: 0.85rem; }
.iab-stat-lab { display: block; font-size: 0.68rem; color: rgba(255,255,255,0.5); margin-top: 6px; letter-spacing: 0.05em; }

.index-about-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 16px;
}
.iab-pillar {
  background: var(--white);
  padding: 16px 12px;
  text-align: center;
  transition: var(--transition);
}
.iab-pillar:hover { background: var(--bg-section); }
.iab-pillar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  color: var(--accent);
}
.iab-pillar-label {
  font-size: 0.72rem;
  color: var(--text-gray);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.index-about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 24px 0 32px;
}
.iaf-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-gray);
  padding: 12px 14px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.iaf-item:hover { border-color: var(--accent); }
.iaf-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--accent);
  color: var(--white);
  border-radius: 2px;
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Products — white corporate cards */
.index-prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.index-prod-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  border-top: 3px solid var(--card-accent, var(--accent));
}
.index-prod-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(30, 107, 140, 0.25);
}

.ipc-icon-wrap {
  margin-bottom: 18px;
  color: var(--card-accent, var(--accent));
}
.ipc-cat {
  font-size: 0.68rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  margin-bottom: 8px;
}
.ipc-name {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
  line-height: 1.4;
}
.ipc-desc {
  font-size: 0.84rem;
  color: var(--text-gray);
  line-height: 1.75;
  margin-bottom: 16px;
  flex: 1;
}
.ipc-specs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.ipc-specs span {
  background: var(--bg-section);
  color: var(--text-gray);
  border: 1px solid var(--border);
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.ipc-arrow {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.index-prod-card:hover .ipc-arrow { gap: 10px; }

/* News — editorial layout */
.index-news-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: start;
}

.index-news-featured {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  transition: var(--transition);
}
.index-news-featured:hover { box-shadow: var(--shadow-md); }

.inf-header {
  padding: 32px 28px;
  background: var(--primary) center / cover no-repeat;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}
.inf-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,24,40,0.3) 0%, transparent 60%);
}
.inf-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
  width: fit-content;
}
.inf-title-inline {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.45;
  position: relative;
  z-index: 1;
}
.inf-body { padding: 24px 28px; }
.inf-date { font-size: 0.76rem; color: var(--text-light); margin-bottom: 10px; }
.inf-title {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 12px;
}
.inf-excerpt { font-size: 0.86rem; color: var(--text-gray); line-height: 1.8; margin-bottom: 16px; }
.inf-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent);
}
.index-news-featured:hover .inf-link { color: var(--primary); }

.index-news-list { display: flex; flex-direction: column; gap: 12px; }

.index-news-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-decoration: none;
  transition: var(--transition);
}
.index-news-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(30,107,140,0.3); }

.ini-date-block {
  min-width: 48px;
  padding: 8px 0;
  text-align: center;
  flex-shrink: 0;
  border-right: 2px solid var(--accent);
  padding-right: 14px;
}
.ini-day { font-size: 1.15rem; font-weight: 700; color: var(--primary); font-family: 'Inter'; line-height: 1; }
.ini-month { font-size: 0.65rem; color: var(--text-light); letter-spacing: 0.05em; }

.ini-content { flex: 1; min-width: 0; }
.ini-cat {
  font-size: 0.68rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.ini-title {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.index-news-item:hover .ini-title { color: var(--primary); }

@media (max-width: 1024px) {
  .index-about-grid { grid-template-columns: 1fr; gap: 48px; }
  .index-about-pillars { grid-template-columns: repeat(2, 1fr); }
  .index-prod-grid { grid-template-columns: repeat(2, 1fr); }
  .index-news-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .index-prod-grid { grid-template-columns: 1fr; }
  .index-about-features { grid-template-columns: 1fr; }
  .index-about-pillars { grid-template-columns: repeat(2, 1fr); }
}