.page-news {
  --feed-side: 280px;
  --row-gap: 1px;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 85% -120px, rgba(0, 212, 255, 0.12), transparent 60%),
    var(--bg-deep);
}

/* ===== Hero ===== */
.page-news .insight-hero {
  position: relative;
  padding: 32px 0 44px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-news .hero-copy {
  position: relative;
  z-index: 1;
  max-width: 68ch;
}
.page-news .hero-dataflow {
  position: absolute;
  inset: 0 0 0 0;
  width: 100%;
  height: 100%;
  min-height: 240px;
  pointer-events: none;
  opacity: 0.9;
}
.page-news .insight-hero h1 {
  margin: 12px 0 16px;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.page-news .h1-mark {
  display: inline-block;
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 0.38em;
  font-weight: 400;
  color: var(--accent-blue);
  vertical-align: middle;
  letter-spacing: 0.12em;
}
.page-news .section-lead {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 66ch;
}

/* ===== 分类导航 ===== */
.page-news .news-list-wrap {
  padding: 48px 0 12px;
}
.page-news .news-categories {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
  background: var(--bg-card);
  margin-bottom: 28px;
}
.page-news .news-categories h2,
.page-news .news-feed h2,
.page-news .featured-head h2,
.page-news .subscribe-copy h2 {
  font-size: 1.6rem;
  margin: 10px 0 8px;
  letter-spacing: -0.01em;
}
.page-news .cat-lead {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0 0 20px;
  max-width: 60ch;
}
.page-news .news-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.page-news .filter-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid rgba(0, 212, 255, 0.55);
  border-radius: 999px;
  background: transparent;
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  cursor: pointer;
  transition: background 0.1s var(--ease), color 0.1s var(--ease), border-color 0.1s var(--ease);
}
.page-news .filter-label em {
  font-style: normal;
  opacity: 0.75;
  font-size: 0.72rem;
}
.page-news .filter-label:hover {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--accent-blue);
}
.page-news .filter-input:checked + .filter-label {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #0B0F19;
}
.page-news .filter-input:focus-visible + .filter-label {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 最新动态 ===== */
.page-news .news-feed {
  padding: 0 0 48px;
}
.page-news .feed-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.page-news .feed-note {
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
}
.page-news .feed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news .news-articles {
  display: grid;
  gap: var(--row-gap);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-news .news-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 20px 18px;
  background: var(--bg-card);
  border-left: 2px solid transparent;
  transition: border-color 0.1s var(--ease), background 0.1s var(--ease);
}
.page-news .news-row:hover {
  background: rgba(17, 24, 39, 0.88);
  border-left-color: var(--accent);
}
.page-news .news-row-index {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.page-news .time-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.35);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.page-news .news-cat {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--accent-blue);
  border: 1px solid rgba(0, 212, 255, 0.4);
  padding: 2px 8px;
  border-radius: 999px;
}
.page-news .news-row-body {
  min-width: 0;
}
.page-news .news-title {
  margin: 0 0 6px;
  font-size: 1.08rem;
  line-height: 1.55;
}
.page-news .news-title::before {
  content: "#";
  font-family: var(--font-mono);
  color: var(--accent-blue);
  margin-right: 4px;
}
.page-news .news-excerpt {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.75;
  max-width: 72ch;
}
.page-news .news-row-arrow {
  display: none;
  align-items: center;
  justify-content: flex-end;
  color: var(--text-dim);
  font-size: 1.2rem;
}
.page-news .news-row:hover .news-row-arrow {
  color: var(--accent);
}

/* ===== 最新动态侧栏 ===== */
.page-news .feed-aside {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
}
.page-news .feed-aside .media-frame {
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.page-news .feed-aside img {
  display: block;
  width: 100%;
  height: auto;
}
.page-news .feed-aside figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-news .feed-aside figcaption::before {
  content: "◆";
  color: var(--grad-a);
  font-size: 0.6rem;
}
.page-news .aside-stats {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.page-news .aside-stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(120deg, var(--grad-a), var(--grad-b));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.page-news .aside-stat-label {
  color: var(--text-dim);
  font-size: 0.76rem;
  line-height: 1.5;
}

/* ===== 推荐阅读 ===== */
.page-news .news-featured {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 15, 25, 0.3), var(--bg-deep));
}
.page-news .featured-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}
.page-news .feature-grid {
  gap: 22px;
  margin: 0;
}
.page-news .feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.1s var(--ease), transform 0.1s var(--ease), box-shadow 0.1s var(--ease);
}
.page-news .feature-card::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--grad-a), var(--grad-b));
  transform: scaleX(0.6);
  transform-origin: left;
  transition: transform 0.1s var(--ease);
}
.page-news .feature-card:nth-child(2) {
  transform: rotate(0.6deg);
}
.page-news .feature-card:nth-child(3) {
  transform: rotate(-0.5deg);
}
.page-news .feature-card:hover {
  border-color: rgba(0, 255, 136, 0.5);
  transform: rotate(0deg) translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}
.page-news .feature-card:hover::before {
  transform: scaleX(1);
}
.page-news .feature-media img {
  display: block;
  width: 100%;
  height: auto;
}
.page-news .feature-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px;
}
.page-news .feature-tag {
  align-self: flex-start;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  border: 1px solid rgba(0, 255, 136, 0.4);
  padding: 3px 10px;
  border-radius: 999px;
}
.page-news .feature-title {
  margin: 0 0 10px;
  font-size: 1.2rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
}
.page-news .feature-excerpt {
  margin: 0 0 18px;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.75;
}
.page-news .feature-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ===== 订阅更新 ===== */
.page-news .news-subscribe {
  padding: 12px 0 64px;
}
.page-news .subscribe-panel {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}
.page-news .subscribe-panel::after {
  content: "";
  position: absolute;
  right: -44px;
  top: -44px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.14), transparent 68%);
  pointer-events: none;
}
.page-news .subscribe-copy h2 {
  margin: 10px 0 10px;
}
.page-news .subscribe-copy p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 0 0 6px;
  max-width: 62ch;
}
.page-news .subscribe-copy strong {
  color: var(--accent);
}
.page-news .subscribe-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  border-left: 2px solid var(--line);
  padding-left: 12px;
}
.page-news .subscribe-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  z-index: 1;
}
.page-news .subscribe-hint {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px dashed rgba(0, 255, 136, 0.45);
  border-radius: 999px;
  padding: 5px 12px;
}
.page-news .contact-line {
  font-size: 0.8rem;
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-news .contact-line:hover {
  color: var(--text);
}

/* ===== 分类过滤渐进增强 ===== */
.page-news .news-list-wrap:has(#filter-preview:checked) .news-articles .news-row:not([data-cat="preview"]),
.page-news .news-list-wrap:has(#filter-report:checked) .news-articles .news-row:not([data-cat="report"]),
.page-news .news-list-wrap:has(#filter-update:checked) .news-articles .news-row:not([data-cat="update"]),
.page-news .news-list-wrap:has(#filter-data:checked) .news-articles .news-row:not([data-cat="data"]) {
  display: none;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-news .news-row {
    grid-template-columns: 170px 1fr 28px;
    align-items: start;
  }
  .page-news .news-row-index {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .page-news .news-row-arrow {
    display: flex;
    margin-top: 4px;
  }
}

@media (min-width: 820px) {
  .page-news .subscribe-panel {
    grid-template-columns: 1.6fr 1fr;
    align-items: center;
  }
  .page-news .subscribe-actions {
    align-items: flex-end;
  }
  .page-news .featured-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
  .page-news .featured-head .section-lead {
    max-width: 40ch;
    text-align: right;
  }
}

@media (min-width: 860px) {
  .page-news .feed-grid {
    grid-template-columns: 1fr var(--feed-side);
    align-items: start;
  }
  .page-news .feed-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
  .page-news .feed-note {
    max-width: 38ch;
    text-align: right;
  }
}

@media (max-width: 520px) {
  .page-news .hero-dataflow {
    opacity: 0.5;
  }
  .page-news .subscribe-panel {
    padding: 22px;
  }
  .page-news .feature-card:nth-child(2),
  .page-news .feature-card:nth-child(3) {
    transform: none;
  }
}