.page-news {
  --news-space: clamp(1.5rem, 4vw, 3rem);
  --news-pad: clamp(1rem, 3vw, 3rem);
  --news-title-size: clamp(1.8rem, 4.5vw, 3.5rem);
  --news-lead-size: clamp(0.95rem, 1.5vw, 1.15rem);
  --news-max: 1440px;

  max-width: var(--news-max);
  margin: 0 auto;
  padding: var(--news-pad);
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.page-news > * {
  position: relative;
  z-index: 1;
}

.page-news::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

.page-news a {
  color: inherit;
  text-decoration: none;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin: 0 0 0.5rem;
  color: var(--color-ink);
}

/* 面包屑 */
.page-news .news-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-gray);
  padding: 0.5rem 0 1.5rem;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--news-space);
}

.page-news .news-breadcrumb a {
  color: var(--color-blue);
  transition: color var(--ease);
}

.page-news .news-breadcrumb a:hover {
  color: var(--color-green);
}

.page-news .crumb-sep {
  opacity: 0.4;
}

.page-news .crumb-current {
  color: var(--color-ink);
  font-weight: 700;
}

/* 页头 */
.page-news .news-header {
  margin-bottom: calc(var(--news-space) * 1.5);
  max-width: 1080px;
}

.page-news .news-header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.page-news .meta-code {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-gold);
  background: var(--color-ink);
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.1em;
}

.page-news .meta-live {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.page-news .live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 8px var(--color-green);
}

.page-news .news-title {
  font-size: var(--news-title-size);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  border-left: 4px solid var(--color-blue);
  padding-left: 0.8rem;
}

.page-news .news-lead {
  font-size: var(--news-lead-size);
  color: var(--color-gray);
  max-width: 65ch;
  border-left: 4px solid var(--color-gold);
  padding-left: 0.8rem;
}

/* 章节头部 */
.page-news .news-section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 2px solid var(--color-ink);
  padding-bottom: 0.6rem;
  margin-bottom: 2rem;
  margin-top: var(--news-space);
}

.page-news .news-section-index {
  font-family: var(--font-data);
  color: var(--color-gold);
  font-size: 1.3rem;
  font-weight: 700;
}

.page-news .news-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0;
}

.page-news .news-section-meta {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 最新动态 - 精选卡片 */
.page-news .feature-card {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--color-blue);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-news .feature-img-wrap {
  line-height: 0;
  position: relative;
}

.page-news .feature-img {
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: cover;
}

.page-news .feature-body {
  padding: 1.5rem;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-news .feature-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.page-news .feature-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: #ffffff;
}

.page-news .feature-title a {
  color: #ffffff;
  transition: color var(--ease);
}

.page-news .feature-title a:hover {
  color: var(--color-gold);
}

.page-news .feature-excerpt {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.page-news .feature-foot {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 0.8rem;
}

/* 最新动态 - 流列表 */
.page-news .news-stream {
  margin-top: 2rem;
  border-top: 2px solid var(--color-ink);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 32px 80px 1fr;
  column-gap: 12px;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
  transition: background var(--ease);
}

.page-news .news-item:hover {
  background: rgba(0, 230, 118, 0.06);
}

.page-news .item-index {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 700;
}

.page-news .item-thumb img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  border-radius: 2px;
  display: block;
  border: 1px solid var(--color-line);
  transition: border-color var(--ease);
}

.page-news .news-item:hover .item-thumb img {
  border-color: var(--color-green);
}

.page-news .item-content {
  min-width: 0;
}

.page-news .item-tags {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
  flex-wrap: wrap;
}

.page-news .item-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.page-news .item-title a {
  display: inline-block;
  position: relative;
  transition: color var(--ease);
}

.page-news .item-title a::after {
  content: '→';
  margin-left: 0.4rem;
  display: inline-block;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--ease), transform var(--ease);
  color: var(--color-gold);
}

.page-news .item-title a:hover::after,
.page-news .item-title a:focus-visible::after {
  opacity: 1;
  transform: translateX(0);
}

.page-news .item-title a:hover {
  color: var(--color-blue);
}

.page-news .item-excerpt {
  font-size: 0.85rem;
  color: var(--color-gray);
  line-height: 1.5;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .item-time {
  grid-column: 3 / 4;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-gray);
  text-align: left;
  margin-top: 0.2rem;
}

.page-news .stream-more {
  display: block;
  text-align: right;
  font-family: var(--font-data);
  font-size: 0.85rem;
  padding: 1rem 0;
  color: var(--color-blue);
  border-bottom: 1px solid var(--color-line);
  transition: color var(--ease), background var(--ease);
}

.page-news .stream-more:hover {
  color: var(--color-green);
  background: rgba(0, 230, 118, 0.08);
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

/* 按日归档 */
.page-news .archive-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.page-news .archive-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  min-height: 200px;
  max-height: 400px;
}

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

.page-news .archive-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 25% 25%;
  opacity: 0.5;
  mix-blend-mode: multiply;
}

.page-news .archive-index {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.page-news .archive-row {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--color-line);
  transition: background var(--ease), border-color var(--ease);
}

.page-news .archive-row:hover {
  background: rgba(255, 179, 0, 0.1);
  border-bottom-color: var(--color-gold);
}

.page-news .archive-day {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-blue);
}

.page-news .archive-bar {
  height: 6px;
  background: var(--color-line);
  overflow: hidden;
  border-radius: 3px;
}

.page-news .bar-fill {
  display: block;
  height: 100%;
  background: var(--color-green);
  border-radius: 3px;
  transition: width var(--ease);
}

.page-news .archive-row--high .bar-fill {
  width: 100%;
}

.page-news .archive-row--mid .bar-fill {
  width: 65%;
}

.page-news .archive-row--low .bar-fill {
  width: 35%;
}

.page-news .archive-count {
  font-family: var(--font-data);
  font-size: 0.8rem;
  background: var(--color-ink);
  color: #ffffff;
  padding: 0.15em 0.6em;
  border-radius: 2px;
  white-space: nowrap;
}

.page-news .archive-note {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin: 0.8rem 0 0;
  padding: 0 0.5rem;
  border-left: 3px solid var(--color-gold);
}

/* 热点标签 */
.page-news .topics-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}

.page-news .topics-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  order: 2;
}

.page-news .news-tag-link {
  font-family: var(--font-data);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.5em 1em;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  background: var(--color-bg);
  color: var(--color-ink);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-news .news-tag-link:hover {
  background: var(--color-green);
  color: var(--color-ink);
  border-color: var(--color-green);
}

.page-news .news-tag-link--green {
  border-left: 3px solid var(--color-green);
}

.page-news .news-tag-link--gold {
  border-left: 3px solid var(--color-gold);
}

.page-news .news-tag-link--blue {
  border-left: 3px solid var(--color-blue);
}

.page-news .topics-bg {
  order: 1;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--color-line);
  max-height: 400px;
}

.page-news .topics-img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  display: block;
}

/* 页面级标签样式 */
.page-news .news-tag {
  display: inline-block;
  padding: 0.2em 0.7em;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 2px;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-news .news-tag--green {
  border-color: var(--color-green);
  color: var(--color-dark);
}

.page-news .news-tag--gold {
  border-color: var(--color-gold);
  color: #7a5200;
}

.page-news .news-tag--blue {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.page-news .news-tag:hover {
  background: var(--color-green);
  color: var(--color-ink);
  border-color: var(--color-green);
}

/* 底部导航 */
.page-news .news-sub-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  padding: var(--news-space) 0 0;
  border-top: 2px solid var(--color-ink);
  margin-top: var(--news-space);
}

.page-news .sub-link {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--color-blue);
  padding: 0.3rem 0.5rem;
  transition: background var(--ease), color var(--ease);
}

.page-news .sub-link:hover {
  background: var(--color-ink);
  color: var(--color-green);
  border-radius: 2px;
}

.page-news .sub-link-sep {
  color: var(--color-line);
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-news {
    padding: calc(var(--news-pad) * 1.2);
  }

  .page-news .news-header {
    margin-bottom: calc(var(--news-space) * 2);
  }

  .page-news .feature-card {
    grid-template-columns: 1.15fr 1fr;
  }

  .page-news .feature-body {
    padding: 2rem;
  }

  .page-news .feature-title {
    font-size: 2rem;
  }

  .page-news .news-item {
    grid-template-columns: 80px 120px 1fr 120px;
    column-gap: 16px;
    padding: 1.25rem 0;
  }

  .page-news .item-thumb img {
    width: 120px;
    height: 90px;
  }

  .page-news .item-time {
    grid-column: 4 / 5;
    text-align: right;
    margin-top: 0;
  }

  .page-news .archive-wrap {
    grid-template-columns: 4fr 6fr;
    gap: 0;
  }

  .page-news .archive-visual {
    border-radius: 4px 0 0 4px;
    border-right: none;
  }

  .page-news .archive-index {
    padding-left: 2rem;
  }

  .page-news .topics-wrap {
    grid-template-columns: 7fr 5fr;
    gap: 0;
    align-items: center;
  }

  .page-news .topics-cloud {
    order: 1;
    padding-right: 2rem;
  }

  .page-news .topics-bg {
    order: 2;
    border-radius: 0 4px 4px 0;
  }
}