/* ============================================================
   news-card-v3.css — 新闻列表页卡片改版（封面图 + 标题）
   作用域：.resource-card-grid（新闻列表页 + 博客页，不影响 Insights 页）
   配套：index-CDPUSXeS.js 中注入的 .news-card-cover-wrap / img.news-card-cover
   ============================================================ */

/* 卡片：通铺封面图，去掉整体内边距 */
.resource-card-grid .resource-card {
  position: relative;
  padding: 0;
  min-height: 0;
  overflow: hidden;
  border: 1px solid #dbe8f7;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(36, 93, 160, 0.08);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.resource-card-grid .resource-card:hover {
  transform: translateY(-5px);
  border-color: #bcd7f5;
  box-shadow: 0 24px 48px rgba(7, 92, 255, 0.16);
}

/* 封面图容器 */
.resource-card-grid .news-card-cover-wrap {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #eef5fd, #dbe9f8);
}
.resource-card-grid .news-card-cover-wrap::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 38%;
  background: linear-gradient(180deg, rgba(6, 26, 52, 0) 0%, rgba(6, 26, 52, 0.26) 100%);
  pointer-events: none;
}
.resource-card-grid .news-card-cover {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.resource-card-grid .resource-card:hover .news-card-cover {
  transform: scale(1.06);
}

/* 文字区：分类 / 标题 / 摘要 / 按钮 */
.resource-card-grid .resource-card > .resource-type {
  margin: 18px 22px 0;
  padding: 5px 11px;
  border-radius: 999px;
  color: #3d6690;
  background: #eef6ff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.resource-card-grid .resource-card > h3 {
  margin: 12px 22px 10px;
  color: #0b2545;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.resource-card-grid .resource-card > p {
  flex: 1;
  margin: 0 22px 16px;
  color: #5b7392;
  font-size: 13px;
  line-height: 1.78;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.resource-card-grid .resource-card > button {
  align-self: flex-start;
  margin: 0 22px 22px;
  padding: 8px 0 0;
  border-top: 1px solid #eef3f9;
  width: calc(100% - 44px);
  justify-content: flex-start;
  color: #075cff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: gap 0.25s ease, color 0.25s ease;
}
.resource-card-grid .resource-card:hover > button {
  gap: 12px;
  color: #0546c4;
}

/* 无图兜底：未加载出封面时不塌陷 */
.resource-card-grid .resource-card > .resource-type:first-child {
  margin-top: 22px;
}

/* 平板 / 手机 */
@media (max-width: 1024px) {
  .resource-card-grid .news-card-cover-wrap {
    aspect-ratio: 16 / 9;
  }
}
@media (max-width: 720px) {
  .resource-card-grid .news-card-cover-wrap {
    aspect-ratio: 3 / 2;
  }
  .resource-card-grid .resource-card > h3 {
    font-size: 16px;
    margin: 10px 16px 8px;
  }
  .resource-card-grid .resource-card > .resource-type {
    margin: 14px 16px 0;
  }
  .resource-card-grid .resource-card > p {
    margin: 0 16px 14px;
    -webkit-line-clamp: 3;
  }
  .resource-card-grid .resource-card > button {
    margin: 0 16px 18px;
    width: calc(100% - 32px);
  }
}


/* ============================================================
   整卡可点击（2026-09-24）：卡片内注入的透明链接层
   配套：index-cards-v3.js 中 article 首个子元素
        <a class="resource-card-link" href="/news/<id>.html">
   效果：点封面 / 标题 / 摘要 / 空白处 均进入详情页，
        并支持中键、Ctrl+点击新标签页打开、键盘 Tab 聚焦
   ============================================================ */
.resource-card-grid .resource-card { position: relative; cursor: pointer; }
.resource-card-grid .resource-card > .resource-card-link {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  font-size: 0;
  text-decoration: none;
}
.resource-card-grid .resource-card > .resource-card-link:focus-visible {
  outline: 3px solid #075cff;
  outline-offset: 3px;
  border-radius: 14px;
}
/* 「了解更多」按钮保持在链接层之上：自身样式与点击行为不变 */
.resource-card-grid .resource-card > button { position: relative; z-index: 3; }