.page-news {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  padding: 0 0 72px;
}

.page-news .container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* ========== 面包屑 ========== */
.page-news .breadcrumb {
  padding: 20px 0 4px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 0;
}

.page-news .breadcrumb a {
  color: var(--moss);
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  text-decoration: underline;
}

.page-news .breadcrumb-sep {
  margin: 0 8px;
  color: var(--line);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ========== 页面头部 ========== */
.page-news .news-hero {
  padding: 28px 0 40px;
}

.page-news .news-hero-copy {
  max-width: 720px;
}

.page-news .eyebrow {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
  margin: 0 0 12px;
}

.page-news .page-title {
  font-family: var(--font-heading);
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--ink);
  margin: 0 0 18px;
}

.page-news .lede {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
  max-width: 64ch;
}

.page-news .news-hero-meta {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-news .stat-label {
  display: block;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.page-news .stat {
  display: block;
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-hero-media {
  margin: 28px 0 0;
}

.page-news .news-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 1;
  border: 1px solid var(--line);
}

/* ========== 分类筛选 ========== */
.page-news .news-filter {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 4px 0 28px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-filter::-webkit-scrollbar {
  display: none;
}

.page-news .news-filter-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex: none;
  margin-right: 4px;
}

.page-news .tag {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  background: var(--tag);
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
  flex: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .tag:hover,
.page-news .tag:focus-visible {
  background: var(--moss);
  color: var(--white);
}

.page-news .tag-active {
  background: var(--bg-deep);
  color: var(--white);
  border-color: var(--bg-deep);
}

/* ========== 最新发布 + 时间线 ========== */
.page-news .news-latest {
  padding: 8px 0 48px;
}

.page-news .news-section-head {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.page-news .news-section-head .eyebrow {
  margin-bottom: 6px;
}

.page-news .news-section-head h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.page-news .news-trust {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 10px 0 0;
  max-width: 72ch;
}

.page-news .news-timeline {
  position: relative;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 20px;
  bottom: 48px;
  width: 0;
  border-left: 2px dashed var(--line);
}

.page-news .timeline-item {
  position: relative;
  margin-left: 28px;
  margin-bottom: 40px;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--clay);
  z-index: 1;
}

.page-news .timeline-time {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  background: var(--bg);
  padding-right: 10px;
}

.page-news .timeline-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  padding: 20px;
}

.page-news .timeline-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.page-news .timeline-card-tags .tag {
  background: var(--tag);
  font-size: 11px;
  padding: 5px 10px;
}

.page-news .timeline-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-news .timeline-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.page-news .news-card-figure {
  margin: 0 0 16px;
}

.page-news .news-card-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .btn-data,
.page-news .btn-ghost {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--moss);
  text-decoration: none;
  border: 1px solid var(--moss);
  padding: 10px 16px;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-news .btn-data:hover,
.page-news .btn-ghost:hover {
  background: var(--moss);
  color: var(--white);
}

/* ========== 热门标签 ========== */
.page-news .news-tags {
  background: var(--bg-deep);
  padding: 48px 0;
}

.page-news .news-tags .eyebrow {
  color: var(--volt);
}

.page-news .news-tags h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 24px;
}

.page-news .news-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .tag-topic {
  font-size: 13px;
  padding: 10px 16px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-news .tag-topic:hover {
  transform: translateY(-2px);
}

.page-news .tag-clay {
  background: var(--clay);
  color: var(--white);
}

.page-news .tag-moss {
  background: var(--moss);
  color: var(--white);
}

.page-news .tag-deep {
  background: var(--bg-deep-2);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.16);
}

.page-news .tag-volt {
  background: transparent;
  color: var(--volt);
  border-color: var(--volt);
}

/* ========== 更新公告归档 ========== */
.page-news .news-archive {
  padding: 56px 0 0;
}

.page-news .news-archive-grid {
  display: grid;
  gap: 32px;
}

.page-news .news-archive-intro h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-news .news-archive-intro p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 20px;
  max-width: 52ch;
}

.page-news .archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-news .archive-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .archive-version {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--clay);
  min-width: 52px;
}

.page-news .archive-note {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
}

/* ========== 延伸阅读 ========== */
.page-news .news-connect {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-news .news-connect a {
  color: var(--moss);
  text-decoration: none;
  font-weight: 600;
}

.page-news .news-connect a:hover {
  text-decoration: underline;
}

/* ========== ≥720px ========== */
@media (min-width: 720px) {
  .page-news .news-hero {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 32px;
    align-items: start;
  }

  .page-news .news-hero-media {
    margin-top: 8px;
  }

  .page-news .news-card-figure img {
    max-height: 320px;
    width: 100%;
    object-fit: cover;
  }

  .page-news .news-archive-grid {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: start;
  }
}

/* ========== ≥960px ========== */
@media (min-width: 960px) {
  .page-news .news-hero {
    grid-template-columns: 8fr 6fr;
    gap: 56px;
  }

  .page-news .page-title {
    font-size: 52px;
  }

  .page-news .timeline-item {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 0 56px;
    margin-left: 0;
  }

  .page-news .timeline-item::before {
    left: 181px;
  }

  .page-news .news-timeline::before {
    left: 188px;
  }

  .page-news .timeline-time {
    text-align: right;
    margin-bottom: 0;
    padding-top: 8px;
    padding-right: 16px;
  }
}