/* ============================================================
   文章中心 · page-news
   ============================================================ */

.page-news {
  --news-gap: 1.25rem;
  --news-gap-lg: 1.5rem;
  --news-radius: var(--r-md);
}

/* —— 面包屑 —— */
.page-news .breadcrumb {
  padding-top: 1.25rem;
}

/* —— 首屏 —— */
.page-news .news-hero {
  position: relative;
  padding: 2rem 0 2.75rem;
  max-width: 46rem;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -2.5rem;
  right: -1rem;
  width: min(22rem, 70vw);
  height: min(22rem, 70vw);
  background: radial-gradient(circle at center, rgba(37, 222, 208, .06), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .news-hero .eyebrow {
  margin: 0 0 .5rem;
}

.page-news .news-hero .display {
  font-size: clamp(2.5rem, 11vw, 5rem);
  line-height: .95;
  letter-spacing: -.025em;
  font-weight: 800;
  margin: 0 0 1.25rem;
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 37rem;
  color: var(--text-2);
  font-size: 1.0625rem;
  line-height: 1.9;
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.25rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.page-news .stat {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.page-news .stat-num {
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold-2);
}

.page-news .stat-label {
  font-size: .8125rem;
  letter-spacing: .02em;
  color: var(--text-3);
}

/* —— 布局：侧栏 + 文章流 —— */
.page-news .news-layout {
  display: grid;
  gap: 2rem;
}

/* —— 侧栏 —— */
.page-news .news-aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-news .news-aside .eyebrow {
  margin: 0;
}

.page-news .news-aside__note {
  padding-top: 1rem;
  border-top: 1px solid var(--hair);
}

.page-news .news-aside__note p {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--text-3);
}

/* —— 筛选按钮 —— */
.page-news .filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-news .filter-btn {
  display: inline-flex;
  align-items: center;
  padding: .5rem .95rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--line-2);
  color: var(--text);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
  font-weight: 700;
}

/* —— 文章流 —— */
.page-news .news-stream {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

/* —— 文章卡片 —— */
.page-news .article-card {
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  transition: border-color .35s var(--ease);
}

.page-news .article-card:hover {
  border-color: var(--line-2);
}

.page-news .article-card .media {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 0;
}

.page-news .article-card .media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.page-news .article-card__body {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1.25rem;
}

.page-news .article-card__meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.page-news .article-card__title {
  margin: 0;
  font-size: 1.1875rem;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-news .article-card__desc {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--text-2);
}

.page-news .article-card .btn {
  align-self: flex-start;
  margin-top: .35rem;
}

/* —— 头条卡片 —— */
.page-news .article-card--lead {
  border-color: var(--line-2);
  background:
    linear-gradient(180deg, rgba(200, 165, 74, .07), transparent 42%),
    var(--panel-bg);
}

.page-news .article-card--lead .article-card__title {
  font-size: 1.5rem;
}

.page-news .article-card--lead .article-card__desc {
  font-size: 1rem;
}

/* —— CTA —— */
.page-news .news-cta {
  padding-top: 1rem;
}

.page-news .news-cta__inner {
  padding: clamp(1.75rem, 5vw, 3rem);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  background:
    linear-gradient(135deg, rgba(200, 165, 74, .10), transparent 55%),
    linear-gradient(315deg, rgba(37, 222, 208, .06), transparent 55%),
    var(--ink-800);
  box-shadow: var(--shadow-2);
}

.page-news .news-cta__inner .eyebrow {
  margin: 0;
}

.page-news .news-cta__title {
  margin: .75rem 0 1rem;
  font-size: clamp(1.375rem, 4vw, 1.875rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-news .news-cta__desc {
  margin: 0;
  max-width: 42rem;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

/* —— 中等屏幕：两栏文章流 —— */
@media (min-width: 760px) {
  .page-news .news-stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--news-gap-lg);
  }

  .page-news .article-card--lead {
    grid-column: 1 / -1;
  }

  .page-news .article-card--lead .article-card__title {
    font-size: 1.75rem;
  }
}

/* —— 宽屏：侧栏固定 + 头条横向 —— */
@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 2.75rem;
  }

  .page-news .news-aside {
    position: sticky;
    top: 7rem;
    align-self: start;
  }

  .page-news .filters {
    flex-direction: column;
    gap: .4rem;
  }

  .page-news .filter-btn {
    justify-content: flex-start;
  }

  .page-news .article-card--lead {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .article-card--lead .media {
    aspect-ratio: auto;
    height: 100%;
  }

  .page-news .article-card--lead .article-card__body {
    padding: 1.75rem 2rem;
    justify-content: center;
  }
}

/* —— 大屏：正文区再宽一档 —— */
@media (min-width: 1180px) {
  .page-news .news-hero {
    padding-top: 3rem;
  }

  .page-news .news-hero .display {
    font-size: 5.25rem;
  }

  .page-news .news-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 3.25rem;
  }
}