/* ========== 行业观察 · 杂志式信息板 ========== */
.page-news {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 36px 16px 72px;
}

.page-news .breadcrumb {
  margin-bottom: 24px;
}

/* ---- 首屏导读 ---- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding: 10px 0 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  right: 0;
  top: 8px;
  width: 140px;
  height: 5px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-gold));
  transform: skewX(-18deg);
  z-index: -1;
}

.page-news .news-hero::after {
  content: "INSIGHTS";
  position: absolute;
  right: 0;
  top: -20px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  z-index: -1;
}

.page-news .news-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.6vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin: 14px 0 16px;
  max-width: 15em;
}

.page-news .news-hero-desc {
  color: var(--c-muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 60ch;
}

.page-news .news-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-hero-stats .stat-card {
  flex: 1 1 auto;
  min-width: 128px;
  padding: 14px 18px;
}

.page-news .news-hero-stats .stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1.2;
}

.page-news .news-hero-stats .stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* ---- 杂志式布局骨架 ---- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  margin-top: 40px;
}

/* ---- 左侧过滤栏 ---- */
.page-news .news-filter {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.page-news .news-filter-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 6px;
}

.page-news .news-filter-note {
  margin: 0 0 14px;
  font-size: 0.8rem;
  color: var(--c-muted);
}

.page-news .news-filter-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0 0 6px;
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-filter-list li {
  flex: 0 0 auto;
}

.page-news .filter-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  color: var(--c-muted);
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-news .filter-link:hover,
.page-news .filter-link:focus-visible {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

.page-news .filter-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-gold);
  opacity: 0.75;
}

.page-news .news-tag-title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-news .news-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-tag-chip {
  display: inline-flex;
  padding: 6px 12px;
  font-size: 0.82rem;
  color: var(--c-muted);
  text-decoration: none;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-news .news-tag-chip:hover,
.page-news .news-tag-chip:focus-visible {
  color: var(--c-gold);
  border-color: var(--c-gold);
  background: rgba(247, 183, 51, 0.08);
}

/* ---- 右侧文章流 ---- */
.page-news .news-feed {
  display: flex;
  flex-direction: column;
  gap: 44px;
  min-width: 0;
}

.page-news [id^="section-"] {
  scroll-margin-top: 84px;
}

.page-news .section-head {
  margin-bottom: 20px;
  padding-left: 14px;
  border-left: 3px solid var(--c-accent);
}

.page-news .section-title {
  margin: 0 0 6px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.page-news .section-desc {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.92rem;
}

/* ---- 文章卡片 ---- */
.page-news .post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--c-glass);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-news .post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 107, 53, 0.5);
  box-shadow: var(--shadow-panel);
}

.page-news .card-media {
  position: relative;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), transparent);
}

.page-news .card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.page-news .post-card:hover .card-media img {
  transform: scale(1.02);
}

.page-news .card-media-square {
  aspect-ratio: 1 / 1;
}

.page-news .card-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 22px 20px 20px;
}

.page-news .card-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: rgba(255, 107, 53, 0.12);
  border-radius: 999px;
}

.page-news .card-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.page-news .card-tag-gold {
  color: var(--c-gold);
  background: rgba(247, 183, 51, 0.12);
}

.page-news .card-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.25;
  margin: 0 0 12px;
}

.page-news .card-excerpt {
  margin: 0 0 14px;
  color: var(--c-muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-news .card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: var(--c-muted);
}

.page-news .card-link {
  margin-left: auto;
  color: var(--c-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: color 0.2s;
}

.page-news .card-link:hover,
.page-news .card-link:focus-visible {
  color: var(--c-gold);
}

/* ---- 摘要展开 ---- */
.page-news .card-details {
  margin: 0 0 10px;
}

.page-news .card-details summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-accent);
  padding: 6px 0;
}

.page-news .card-details summary::-webkit-details-marker {
  display: none;
}

.page-news .card-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
}

.page-news .card-details[open] summary::after {
  content: "–";
}

.page-news .card-details-content {
  margin-top: 4px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--c-accent);
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-news .card-details-content p {
  margin: 0 0 10px;
}

.page-news .card-details-content p:last-child {
  margin-bottom: 0;
}

/* ---- 宽幅专题与卡片行 ---- */
.page-news .post-card-featured {
  margin-bottom: 20px;
}

.page-news .post-card-featured .card-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.page-news .post-card-featured .card-excerpt {
  font-size: 1rem;
}

.page-news .card-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

/* ---- 产品更新日志 ---- */
.page-news .changelog-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-news .changelog-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  background: var(--c-glass);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 20px;
  overflow: hidden;
  transition: border-color 0.25s;
}

.page-news .changelog-item:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.page-news .changelog-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-news .changelog-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .changelog-version {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-gold);
  background: rgba(247, 183, 51, 0.12);
  border-radius: 6px;
  padding: 4px 10px;
}

.page-news .changelog-tag {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-news .changelog-features {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--c-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-news .changelog-features li {
  margin-bottom: 4px;
}

.page-news .changelog-media {
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  overflow: hidden;
}

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

/* ---- 数据专题网格 ---- */
.page-news .data-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-news .data-card .card-title,
.page-news .story-card .card-title {
  font-size: clamp(1.3rem, 2.4vw, 1.6rem);
}

/* ---- 信任提示 ---- */
.page-news .news-trust {
  margin-top: 6px;
}

.page-news .news-trust p {
  font-size: 0.9rem;
}

/* ---- 桌面端 ---- */
@media (min-width: 880px) {
  .page-news {
    padding: 48px 32px 96px;
  }

  .page-news .news-hero {
    padding: 20px 0 44px;
  }

  .page-news .news-hero-title {
    max-width: 14em;
  }

  .page-news .news-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-filter {
    position: sticky;
    top: 24px;
    padding: 24px 20px;
  }

  .page-news .news-filter-list {
    flex-direction: column;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 6px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-news .news-filter-list li {
    flex: auto;
  }

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

  .page-news .card-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .changelog-list {
    gap: 24px;
  }

  .page-news .changelog-item-with-media {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: center;
    gap: 24px;
  }

  .page-news .data-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
  }
}