.page-news {
  --news-sidebar: 280px;
  --news-gap: 40px;
  background: var(--color-bg);
  color: var(--color-text);
}

/* ========== Hero ========== */
.page-news .news-hero {
  padding: 40px 0 8px;
  overflow-wrap: break-word;
}

.page-news .news-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: 10px 0 14px;
}

.page-news .hero-desc {
  max-width: 660px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin: 0;
}

.page-news .news-hero::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transform: skewX(-24deg);
  border-radius: 2px;
}

/* ========== 横幅 ========== */
.page-news .news-banner {
  position: relative;
  margin: 28px 0 48px;
  border-radius: var(--radius-main);
  overflow: hidden;
  border: 1px solid var(--color-border);
  line-height: 0;
}

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

.page-news .banner-caption {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--color-primary);
  color: var(--color-text-light);
  font-family: var(--font-data);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* ========== 布局 ========== */
.page-news .news-layout {
  display: grid;
  gap: 32px;
}

.page-news .news-stream {
  min-width: 0;
}

.page-news .news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  order: -1;
}

/* ========== 侧边栏 ========== */
.page-news .sidebar-card {
  background: var(--color-text-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-main);
  padding: 22px 20px;
  box-shadow: var(--shadow-card);
}

.page-news .sidebar-card h2,
.page-news .sidebar-card h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.3;
}

.page-news .sidebar-card h2 {
  font-size: 1.125rem;
  margin: 0 0 4px;
}

.page-news .sidebar-card h3 {
  font-size: 1rem;
  margin: 0 0 8px;
}

.page-news .sidebar-intro {
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0 0 16px;
}

.page-news .filter-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .filter-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-news .filter-chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-light);
}

.page-news .filter-chip.is-gold {
  border-color: var(--color-gold);
}

.page-news .filter-chip.is-gold:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-primary);
}

.page-news .sidebar-card.data-card {
  background: linear-gradient(155deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border: none;
  color: var(--color-text-light);
}

.page-news .sidebar-card.data-card h3 {
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.page-news .card-svg {
  display: block;
  margin-bottom: 14px;
  color: var(--color-accent);
}

.page-news .sidebar-card.data-card .data-label {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  margin: 12px 0 2px;
}

.page-news .sidebar-card.data-card .data-value {
  color: var(--color-gold);
  font-size: 1.4rem;
  line-height: 1.2;
  margin: 0;
}

.page-news .quick-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .quick-links li + li {
  margin-top: 4px;
}

.page-news .quick-links a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-news .quick-links a:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

/* ========== 文章区块标题 ========== */
.page-news .news-section {
  margin-bottom: 56px;
  scroll-margin-top: 24px;
}

.page-news .news-section-heading {
  position: relative;
  padding: 0 0 0 18px;
  margin-bottom: 28px;
}

.page-news .news-section-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 6px;
  background: linear-gradient(160deg, var(--color-accent), var(--color-gold));
  transform: skewX(-12deg);
  border-radius: 2px;
}

.page-news .news-section-heading h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--color-primary);
  margin: 0 0 4px;
}

.page-news .news-section-heading p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text);
  margin: 0;
}

/* ========== 时间轴 ========== */
.page-news .news-list {
  position: relative;
}

.page-news .news-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent) 0%, var(--color-primary-light) 70%, transparent 100%);
  opacity: 0.35;
}

.page-news .news-item {
  position: relative;
  padding-left: 48px;
  margin-bottom: 28px;
  scroll-margin-top: 24px;
}

.page-news .news-item:last-child {
  margin-bottom: 0;
}

.page-news .timeline-dot {
  position: absolute;
  left: 8px;
  top: 30px;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  background: var(--color-bg);
  border-radius: 50%;
  z-index: 1;
}

.page-news .timeline-dot svg {
  width: 10px;
  height: 10px;
}

/* ========== 文章卡片 ========== */
.page-news .news-card {
  position: relative;
  background: var(--color-text-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-main);
  padding: 22px 20px 18px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .news-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(11, 31, 58, 0.1);
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-neutral);
}

.page-news .priority-high::before {
  background: var(--color-accent);
}

.page-news .priority-mid::before {
  background: var(--color-primary-light);
}

.page-news .priority-low::before {
  background: linear-gradient(to bottom, var(--color-neutral), var(--color-border));
}

.page-news .news-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .date-block {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-data);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 3px 10px;
  white-space: nowrap;
}

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .news-tags .tag {
  font-size: 0.75rem;
}

.page-news .news-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--color-primary);
  margin: 0 0 8px;
}

.page-news .news-card > p {
  font-size: 0.925rem;
  line-height: 1.75;
  color: var(--color-text);
  margin: 0 0 14px;
}

/* ========== 缩略图 ========== */
.page-news .news-thumb {
  margin: 0 0 14px;
  border-radius: 10px 4px 10px 4px;
  overflow: hidden;
  background: var(--color-border);
  line-height: 0;
}

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

.page-news .news-thumb.wide img {
  max-height: 420px;
}

/* ========== 阅读全文 ========== */
.page-news .news-details {
  border-top: 1px dashed var(--color-border);
  margin-top: 6px;
}

.page-news .news-details summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 8px 0 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-light);
  list-style: none;
  transition: color 0.2s ease;
}

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

.page-news .news-details summary::before {
  content: "＋";
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 0.9rem;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: 50%;
}

.page-news .news-details[open] summary::before {
  content: "−";
}

.page-news .news-details summary:hover {
  color: var(--color-accent);
}

.page-news .details-body {
  padding: 14px 8px 6px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text);
}

.page-news .details-body h4 {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 16px 0 6px;
}

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

.page-news .details-body ul {
  margin: 8px 0 10px;
  padding-left: 18px;
}

.page-news .details-body li {
  margin-bottom: 6px;
}

/* ========== 滚动显现 ========== */
.page-news [data-reveal] {
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.page-news [data-reveal].is-revealed {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal],
  .page-news .news-card,
  .page-news .filter-chip {
    transition: none !important;
  }
}

/* ========== 响应式：平板/桌面 ========== */
@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-sidebar) minmax(0, 1fr);
    align-items: start;
    gap: var(--news-gap);
  }

  .page-news .news-sidebar {
    order: 0;
    position: sticky;
    top: 24px;
  }

  .page-news .news-card {
    padding: 26px 24px 20px;
  }
}

/* ========== 响应式：窄屏 ========== */
@media (max-width: 560px) {
  .page-news .news-hero h1 {
    font-size: 1.6rem;
  }

  .page-news .news-item {
    padding-left: 36px;
  }

  .page-news .news-list::before {
    left: 11px;
  }

  .page-news .timeline-dot {
    left: 4px;
  }

  .page-news .news-card {
    padding: 18px 14px 14px;
  }

  .page-news .news-thumb.wide img {
    max-height: 280px;
  }

  .page-news .banner-caption {
    font-size: 0.78rem;
  }
}