/* ============================================
   新闻动态 - 专属样式
   ============================================ */

/* ---------- 分类选择 ---------- */
.news-filter-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.news-filter-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy-800);
}
.news-filter-select {
  min-width: 180px;
  padding: 12px 40px 12px 18px;
  border: 1.5px solid var(--ink-100);
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy-800);
  background: var(--white);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a6b7c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: border-color var(--t-fast);
}
.news-filter-select:focus {
  outline: none;
  border-color: var(--blue-500);
}

/* ---------- 新闻列表 ---------- */
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.news-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px;
  color: var(--ink-300);
  font-size: 1rem;
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px;
  color: var(--ink-300);
}

.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(15,40,71,0.06);
  transition: all var(--t-med);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.news-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  overflow: hidden;
}
.news-cover .img-pattern.dark {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 30% 40%, rgba(29,109,229,0.3) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(16,185,129,0.15) 0%, transparent 50%),
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px, 28px 28px;
  transition: transform var(--t-med);
}
.news-card:hover .news-cover .img-pattern.dark { transform: scale(1.06); }
/* 上传的封面图（有 cover 时）铺满封面区 */
.news-cover .news-cover-img,
.news-detail-cover .news-cover-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--t-med);
}
.news-card:hover .news-cover .news-cover-img { transform: scale(1.06); }
.news-cat-badge {
  position: absolute;
  top: 16px; left: 16px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  color: var(--white);
  letter-spacing: 1px;
  z-index: 2;
}
.news-cat-badge.product { background: var(--blue-500); }
.news-cat-badge.industry { background: var(--amber-500); }
.news-cat-badge.policy { background: #6366f1; }
.news-cat-badge.company { background: var(--navy-600); }

.news-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-date {
  font-size: 0.8rem;
  color: var(--ink-300);
  margin-bottom: 10px;
}
.news-card h3 {
  font-size: 1.1rem;
  color: var(--navy-800);
  margin-bottom: 10px;
  font-weight: 700;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-summary {
  font-size: 0.88rem;
  color: var(--ink-500);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--ink-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--ink-300);
}
.news-read { color: var(--blue-500); font-weight: 600; }

/* ---------- 加载更多 ---------- */
.load-more-wrap { text-align: center; margin-top: 48px; }

/* ============================================
   新闻详情弹窗
   ============================================ */
.news-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.news-modal.open { display: flex; }
.news-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(3,32,30,0.7);
  backdrop-filter: blur(6px);
}
.news-modal-content {
  position: relative;
  z-index: 2;
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 760px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.4s var(--ease);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.news-modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--ink-500);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--t-fast);
  z-index: 3;
}
.news-modal-close:hover { background: var(--navy-800); color: var(--white); }

.news-detail-cover {
  width: 100%;
  aspect-ratio: 21/9;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  position: relative;
}
.news-detail-cover .img-pattern.dark {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 30% 40%, rgba(29,109,229,0.3) 0%, transparent 50%),
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px, 28px 28px;
}
.news-detail-body { padding: 36px 40px 40px; }
.news-detail-cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
  color: var(--white);
  margin-bottom: 16px;
}
.news-detail-body h2 {
  font-size: 1.6rem;
  color: var(--navy-800);
  margin-bottom: 14px;
  line-height: 1.4;
}
.news-detail-meta {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--ink-300);
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink-100);
}
.news-detail-content {
  font-size: 1rem;
  color: var(--ink-700);
  line-height: 2;
}
.news-detail-content p { margin-bottom: 18px; }
/* 正文内的图片/视频：限制不溢出容器；具体对齐由后台写入的内联 display/margin 控制 */
.news-detail-content img,
.news-detail-content video {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 992px) {
  .news-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .news-list { grid-template-columns: 1fr; }
  .news-filter-row { justify-content: flex-start; }
  .news-filter-label { width: 100%; }
  .news-detail-body { padding: 28px 24px 32px; }
  .news-detail-body h2 { font-size: 1.3rem; }
  .news-card h3 { font-size: 1rem; }
  .news-body { padding: 20px; }
  .news-filter-select { min-width: 150px; }
}

@media (max-width: 480px) {
  .news-list { gap: 18px; }
  .news-body { padding: 16px; }
  .news-card h3 { font-size: 0.95rem; }
  .news-summary { font-size: 0.82rem; -webkit-line-clamp: 2; }
  .news-date { font-size: 0.75rem; }
  .news-meta { font-size: 0.76rem; margin-top: 12px; padding-top: 12px; }
  .news-cat-badge { font-size: 0.68rem; padding: 4px 10px; top: 12px; left: 12px; }
  .news-filter-row { gap: 8px; margin-bottom: 32px; }
  .news-filter-label { font-size: 0.85rem; }
  .news-filter-select { min-width: 130px; padding: 10px 36px 10px 14px; font-size: 0.88rem; }
  .news-detail-body { padding: 22px 18px 26px; }
  .news-detail-body h2 { font-size: 1.15rem; }
  .news-detail-content { font-size: 0.92rem; line-height: 1.85; }
  .news-detail-meta { font-size: 0.78rem; gap: 14px; }
  .news-modal { padding: 12px; }
  .news-modal-close { width: 34px; height: 34px; top: 14px; right: 14px; }
}