/* 应用案例 页面样式（由原型导出） */
/* ============================================================
   应用案例列表页
   ============================================================ */
.cases-page { padding: 72px 0 100px; }

/* 行业筛选条 */
.case-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.case-chip {
  padding: 9px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--steel);
  background: #fff;
  border: 1px solid var(--gray-light);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s;
}
.case-chip:hover { border-color: var(--brand-red); color: var(--brand-red); }
.case-chip.active {
  background: var(--brand-red);
  border-color: var(--brand-red);
  color: #fff;
  box-shadow: 0 4px 14px rgba(200,16,46,0.25);
}

/* 案例网格 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  transition: all 0.3s;
  position: relative;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.case-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
  z-index: 2;
}
.case-card:hover { box-shadow: 0 16px 44px rgba(0,0,0,0.1); transform: translateY(-4px); }
.case-card:hover::after { transform: scaleX(1); }

.case-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--ink-soft);
}
.case-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.case-card:hover .case-card-img img { transform: scale(1.07); }
.case-card-img .ind-tag {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  background: rgba(20,23,28,0.75);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: 2px;
  border-left: 3px solid var(--brand-red);
}

.case-card-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.case-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.case-card:hover .case-card-body h3 { color: var(--brand-red); }
.case-card-body p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
  flex: 1;
}
.case-card-meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray);
}
.case-card-meta .more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--brand-red);
  font-weight: 600;
}

@media (max-width: 1024px) { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cases-grid { grid-template-columns: 1fr; } }