/* ===== 新闻动态页专属样式 ===== */
.page-news {
  --news-card-bg: #FFFFFF;
  --news-card-line: #D8D2C5;
  --news-panel-line: #1D3B5C;
  --news-text-body: #4A3F35;
  --news-slate-hover: #112640;
  background:
    linear-gradient(90deg, rgba(10, 26, 47, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(10, 26, 47, 0.035) 1px, transparent 1px),
    var(--color-bg-secondary);
  background-size: 44px 44px;
  color: var(--color-text-on-light);
  overflow-x: hidden;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ===== 页头 ===== */
.page-news .news-hero {
  background: var(--color-bg-primary);
  border-bottom: 4px solid var(--color-accent);
  color: var(--color-text-on-dark);
  padding: 28px 20px 56px;
  position: relative;
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.35;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -40px;
  width: 180px;
  height: 140px;
  background: var(--color-accent-alt);
  transform: skewX(-24deg);
  opacity: 0.85;
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
}

.page-news .news-breadcrumb {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-news .news-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.page-news .news-breadcrumb a:hover,
.page-news .news-breadcrumb a:focus-visible {
  border-bottom-color: var(--color-accent);
  color: #FFFFFF;
}

.page-news .news-breadcrumb__sep {
  color: var(--color-grid);
}

.page-news .news-hero__kicker {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-grid);
  padding: 6px 10px;
  background: rgba(10, 26, 47, 0.6);
}

.page-news .news-hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(34px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--color-text-on-dark);
  margin: 18px 0 16px;
  max-width: 900px;
}

.page-news .news-hero__lead {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 640px;
  margin: 0;
}

.page-news .news-hero__indicators {
  display: flex;
  gap: 6px;
  margin-top: 24px;
}

.page-news .news-hero__ind {
  width: 28px;
  height: 3px;
  background: var(--color-grid);
}

.page-news .news-hero__ind:first-child {
  background: var(--color-accent);
  width: 44px;
}

/* ===== 布局 ===== */
.page-news .news-layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  position: relative;
  z-index: 1;
}

/* ===== 侧边栏 ===== */
.page-news .news-sidebar {
  background: var(--color-bg-primary);
  border: 1px solid var(--news-panel-line);
  color: var(--color-text-on-dark);
  padding: 20px;
  position: relative;
  box-shadow: 6px 6px 0 rgba(10, 26, 47, 0.08);
}

.page-news .news-sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 4px;
  background: var(--color-accent);
}

.page-news .news-sidebar__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-grid);
}

.page-news .news-sidebar__label {
  font-family: var(--font-headline);
  font-size: 18px;
  color: var(--color-text-on-dark);
}

.page-news .news-sidebar__code {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-news .news-cats {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-cats li {
  flex-shrink: 0;
}

.page-news .news-cats__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border: 1px solid var(--color-grid);
  color: var(--color-text-on-dark);
  font-size: 14px;
  font-family: var(--font-body);
  text-decoration: none;
  transition: background var(--transition-speed) ease, border-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.page-news .news-cats__link:hover,
.page-news .news-cats__link:focus-visible {
  border-color: var(--color-accent);
  background: rgba(0, 230, 118, 0.12);
  color: var(--color-accent);
}

.page-news .news-cats__link.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 700;
}

.page-news .news-cats__dot {
  width: 6px;
  height: 6px;
  border-radius: 0;
  background: var(--color-accent);
  flex-shrink: 0;
}

.page-news .news-cats__dot--version { background: var(--color-accent); }
.page-news .news-cats__dot--insight { background: var(--color-data-blue); }
.page-news .news-cats__dot--preview { background: var(--color-accent-alt); }
.page-news .news-cats__dot--notice { background: var(--color-muted); }

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--color-grid);
  border-bottom: 1px solid var(--color-grid);
}

.page-news .news-stats__item {
  text-align: left;
  padding-left: 10px;
  border-left: 2px solid var(--color-grid);
}

.page-news .news-stats__item:first-child {
  padding-left: 0;
  border-left: 0;
}

.page-news .news-stats__num {
  display: block;
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.page-news .news-stats__label {
  display: block;
  font-size: 11px;
  color: var(--color-muted);
  margin-top: 6px;
  line-height: 1.4;
}

.page-news .news-tip {
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid var(--color-grid);
  padding: 14px;
}

.page-news .news-tip__title {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: 0 0 8px;
}

.page-news .news-tip p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-news .news-tip a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-speed) ease;
}

.page-news .news-tip a:hover,
.page-news .news-tip a:focus-visible {
  border-bottom-color: var(--color-accent);
}

/* ===== 文章流 ===== */
.page-news .news-main {
  min-width: 0;
}

.page-news .news-section {
  scroll-margin-top: 80px;
  margin-bottom: 48px;
}

.page-news .news-section__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-bg-primary);
}

.page-news .news-section__num {
  font-family: var(--font-data);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--color-bg-primary);
}

.page-news .news-section__titles {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
}

.page-news .news-section__titles h2 {
  font-family: var(--font-headline);
  font-size: 24px;
  margin: 0;
  color: var(--color-text-on-light);
}

.page-news .news-section__sub {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

/* ===== 置顶文章 ===== */
.page-news .news-featured {
  background: var(--news-card-bg);
  border: 1px solid var(--news-card-line);
  box-shadow: 8px 8px 0 rgba(10, 26, 47, 0.1);
  margin-bottom: 24px;
  scroll-margin-top: 80px;
}

.page-news .news-featured__media {
  position: relative;
  line-height: 0;
}

.page-news .news-featured__media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: center;
}

.page-news .data-pill--top {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 700;
  border: 0;
}

.page-news .news-featured__body {
  padding: 20px;
}

.page-news .news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 12px;
}

.page-news .news-meta__num,
.page-news .news-card__num {
  font-family: var(--font-data);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-grid);
}

.page-news .news-meta__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  border: 1px solid transparent;
  line-height: 1.4;
}

.page-news .news-meta__tag--version {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}

.page-news .news-meta__tag--insight {
  background: var(--color-data-blue);
  color: #FFFFFF;
}

.page-news .news-meta__tag--preview {
  background: var(--color-accent-alt);
  color: #FFFFFF;
}

.page-news .news-meta__tag--notice {
  background: var(--color-bg-primary);
  color: var(--color-text-on-dark);
  border-color: var(--color-grid);
}

.page-news .news-meta__time {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-muted);
}

.page-news .news-featured__title {
  font-family: var(--font-headline);
  font-size: 22px;
  line-height: 1.3;
  margin: 0 0 12px;
}

.page-news .news-featured__title a,
.page-news .news-card__title a {
  color: var(--color-text-on-light);
  text-decoration: none;
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 0% 2px;
  transition: background-size var(--transition-speed) ease, color var(--transition-speed) ease;
}

.page-news .news-featured__title a:hover,
.page-news .news-featured__title a:focus-visible,
.page-news .news-card__title a:hover,
.page-news .news-card__title a:focus-visible {
  background-size: 100% 2px;
  color: var(--color-bg-primary);
}

.page-news .news-featured__summary {
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-text-body);
  margin: 0 0 16px;
}

.page-news .btn--sm {
  padding: 8px 16px;
  font-size: 14px;
}

/* ===== 文章列表 ===== */
.page-news .news-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .news-card {
  background: var(--news-card-bg);
  border: 1px solid var(--news-card-line);
  padding: 20px;
  position: relative;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease, transform var(--transition-speed) ease;
  scroll-margin-top: 80px;
}

.page-news .news-card:hover,
.page-news .news-card:focus-within {
  border-color: var(--color-bg-primary);
  box-shadow: 4px 4px 0 rgba(10, 26, 47, 0.08);
  transform: translateY(-2px);
}

.page-news .news-card--with-img {
  padding: 0;
  overflow: hidden;
}

.page-news .news-card--with-img .news-card__body {
  padding: 20px;
}

.page-news .news-card__media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.page-news .news-card__meta {
  display: flex;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.page-news .news-card__meta > div {
  display: flex;
  align-items: center;
  gap: 8px 12px;
  flex-wrap: wrap;
}

.page-news .news-card__title {
  font-family: var(--font-headline);
  font-size: 18px;
  line-height: 1.35;
  margin: 0 0 10px;
}

.page-news .news-card__summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-body);
  margin: 0;
}

/* ===== 热门主题 ===== */
.page-news .hot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .hot-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-grid);
  color: var(--color-text-on-dark);
  padding: 20px 20px 20px 24px;
  text-decoration: none;
  position: relative;
  display: block;
  transition: border-color var(--transition-speed) ease, background var(--transition-speed) ease;
}

.page-news .hot-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
}

.page-news .hot-card:hover,
.page-news .hot-card:focus-visible {
  border-color: var(--color-accent);
  background: var(--news-slate-hover);
}

.page-news .hot-card__rank {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 14px;
}

.page-news .hot-card h3 {
  font-family: var(--font-headline);
  font-size: 18px;
  margin: 0 0 8px;
  color: var(--color-text-on-dark);
}

.page-news .hot-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

/* ===== 响应式增强 ===== */
@media (min-width: 768px) {
  .page-news .news-layout {
    padding: 32px 24px 64px;
  }

  .page-news .news-featured__media img {
    height: 320px;
  }

  .page-news .news-card__media img {
    height: 200px;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero {
    padding: 40px 32px 72px;
  }

  .page-news .news-hero h1 {
    font-size: 64px;
  }

  .page-news .news-hero__lead {
    font-size: 17px;
  }

  .page-news .news-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 36px;
    padding: 40px 32px 72px;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 24px;
  }

  .page-news .news-cats {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    overflow: visible;
  }

  .page-news .news-cats__link {
    justify-content: flex-start;
    padding: 10px 12px;
  }

  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-card--with-img .news-card__media img {
    height: 180px;
  }

  .page-news .news-featured {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
  }

  .page-news .news-featured__media img {
    height: 100%;
    min-height: 320px;
  }

  .page-news .news-featured__body {
    padding: 28px;
  }

  .page-news .news-featured__title {
    font-size: 26px;
  }

  .page-news .news-section__titles h2 {
    font-size: 28px;
  }

  .page-news .news-section__num {
    font-size: 56px;
  }

  .page-news .hot-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-news .hot-card--main {
    grid-column: 1 / -1;
  }
}