.page-news {
  --news-section-gap: 56px;
  --news-card-pad: 24px;
  --news-radius-lg: 28px;
  --news-radius-md: 18px;
  background: var(--clr-fog);
  padding-bottom: 72px;
  font-family: var(--font-body);
  color: var(--clr-dark);
  overflow-x: hidden;
}

.page-news .breadcrumb {
  padding: 20px 4px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-dark);
}

.page-news .breadcrumb a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: opacity var(--ease);
}

.page-news .breadcrumb a:hover {
  opacity: 0.75;
}

.page-news .breadcrumb__sep {
  margin: 0 10px;
  color: var(--clr-line);
}

.page-news__shell {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  position: relative;
  background: var(--clr-darker);
  color: var(--clr-white);
  border-radius: 0 0 var(--news-radius-lg) var(--news-radius-lg);
  padding: 40px 20px 36px;
  margin-top: 12px;
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 96, 54, 0.38), transparent 70%);
  top: -90px;
  right: -90px;
  pointer-events: none;
}

.page-news .news-masthead::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary) 0%, var(--clr-accent) 100%);
  opacity: 0.9;
}

.page-news .news-masthead__overline {
  display: block;
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 1;
  color: var(--clr-primary);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-news .news-masthead h1 {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 40px);
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 720px;
  letter-spacing: 0.5px;
}

.page-news .news-masthead__lead {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 680px;
  margin: 0 0 24px;
}

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

.page-news .news-masthead__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--clr-white);
}

.page-news .news-masthead__chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-success);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.25);
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  margin-top: var(--news-section-gap);
  scroll-margin-top: 88px;
}

.page-news .section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.page-news .section-head__index {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  color: var(--clr-primary);
}

.page-news .section-head__title {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.5px;
  margin: 0;
  color: var(--clr-dark);
}

.page-news .section-head__line {
  flex: 1;
  min-width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-primary) 0%, var(--clr-line) 100%);
}

/* ---------- 头条卡片 ---------- */
.page-news .featured-card {
  background: var(--clr-white);
  border-radius: var(--news-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-news .featured-card__media img,
.page-news .report-card__media img,
.page-news .expert-card__media img,
.page-news .version-card__media img {
  width: 100%;
  height: auto;
  display: block;
  max-width: 100%;
}

.page-news .featured-card__body {
  padding: var(--news-card-pad);
}

.page-news .featured-card__body h3 {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  color: var(--clr-dark);
  margin: 12px 0 10px;
}

.page-news .featured-card__body p {
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 16px;
}

.page-news .featured-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 18px;
  font-family: var(--font-data);
  font-size: 12px;
  color: #666;
}

.page-news .featured-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 版本迭代 ---------- */
.page-news .versions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .version-card {
  background: var(--clr-white);
  border-radius: var(--news-radius-md);
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--clr-line);
  padding: var(--news-card-pad);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .version-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(44, 44, 44, 0.12);
}

.page-news .version-card--main {
  border-left: 4px solid var(--clr-primary);
  padding: 0;
  overflow: hidden;
  background: var(--clr-white);
}

.page-news .version-card--main .version-card__body {
  padding: var(--news-card-pad);
}

.page-news .version-card__media img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
}

.page-news .version-tag {
  display: inline-block;
  background: var(--clr-fog);
  color: var(--clr-dark);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  margin-bottom: 10px;
}

.page-news .version-tag--current {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.page-news .version-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.2;
  margin: 0 0 10px;
  color: var(--clr-dark);
}

.page-news .version-card p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 12px;
}

.page-news .version-card__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--clr-dark);
}

.page-news .version-card__link {
  display: inline-block;
  margin-top: 4px;
  color: var(--clr-primary);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: color var(--ease);
}

.page-news .version-card__link:hover {
  color: var(--clr-accent);
}

/* ---------- 数据报告 ---------- */
.page-news .reports-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .report-card {
  background: var(--clr-white);
  border-radius: var(--news-radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  padding: var(--news-card-pad);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .report-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(44, 44, 44, 0.12);
}

.page-news .report-card--media {
  padding: 0;
}

.page-news .report-card--media .report-card__body {
  padding: var(--news-card-pad);
}

.page-news .report-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.25;
  color: var(--clr-dark);
  margin: 10px 0 8px;
}

.page-news .report-card p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 16px;
}

.page-news .report-card__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  border-top: 1px solid var(--clr-line);
  padding-top: 14px;
}

.page-news .report-card__stats .data-label,
.page-news .report-card__stats .data-value {
  display: block;
}

.page-news .report-card__stats .data-label {
  font-size: 12px;
  color: #888;
  margin-bottom: 4px;
}

.page-news .report-card__stats .data-value {
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 700;
  color: var(--clr-dark);
}

/* ---------- 专家专栏 ---------- */
.page-news .experts-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .expert-card {
  background: var(--clr-white);
  border-radius: var(--news-radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--news-card-pad);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .expert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(44, 44, 44, 0.12);
}

.page-news .expert-card--media {
  padding: 0;
  overflow: hidden;
}

.page-news .expert-card--media .expert-card__body {
  padding: var(--news-card-pad);
}

.page-news .expert-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.25;
  color: var(--clr-dark);
  margin: 10px 0 8px;
}

.page-news .expert-card p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 12px;
}

.page-news .expert-card__link {
  color: var(--clr-primary);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: color var(--ease);
}

.page-news .expert-card__link:hover {
  color: var(--clr-accent);
}

/* ---------- 视频集锦 ---------- */
.page-news .videos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .video-card {
  background: var(--clr-white);
  border-radius: var(--news-radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .video-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(44, 44, 44, 0.12);
}

.page-news .video-card__thumb {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-news .video-card__thumb--primary {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #FF9A62 100%);
}

.page-news .video-card__thumb--dark {
  background: linear-gradient(135deg, var(--clr-darker) 0%, #4a4a4a 100%);
}

.page-news .video-card__thumb--accent {
  background: linear-gradient(135deg, #F5C400 0%, var(--clr-accent) 100%);
}

.page-news .video-card__play {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(2px);
  position: relative;
  transition: transform 0.25s ease, background 0.25s ease;
}

.page-news .video-card__play::before {
  content: '';
  position: absolute;
  left: 21px;
  top: 17px;
  border-left: 18px solid var(--clr-white);
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
}

.page-news .video-card:hover .video-card__play {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.32);
}

.page-news .video-card__duration {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(26, 26, 26, 0.8);
  color: var(--clr-white);
  font-family: var(--font-data);
  font-size: 12px;
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

.page-news .video-card__body {
  padding: var(--news-card-pad);
}

.page-news .video-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.25;
  color: var(--clr-dark);
  margin: 10px 0 8px;
}

.page-news .video-card p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-news__shell {
    padding: 0 32px;
  }

  .page-news .news-masthead {
    padding: 56px 40px 44px;
  }

  .page-news .news-masthead__overline {
    font-size: 76px;
  }

  .page-news .news-masthead h1 {
    font-size: 38px;
  }

  .page-news .news-masthead__lead {
    font-size: 16px;
    max-width: 700px;
  }

  .page-news .news-section {
    margin-top: 72px;
  }

  .page-news .section-head__title {
    font-size: 30px;
  }

  .page-news .featured-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
  }

  .page-news .featured-card__media {
    min-height: 100%;
  }

  .page-news .featured-card__media img {
    height: 100%;
    min-height: 360px;
    object-fit: cover;
  }

  .page-news .featured-card__body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-news .featured-card__body h3 {
    font-size: 26px;
  }

  .page-news .versions-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .version-card--main {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 2fr 3fr;
  }

  .page-news .version-card--main .version-card__media {
    height: 100%;
  }

  .page-news .version-card--main .version-card__media img {
    height: 100%;
    object-fit: cover;
    max-height: none;
  }

  .page-news .reports-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .report-card--media {
    grid-row: span 2;
  }

  .page-news .report-card--media img {
    height: 280px;
    object-fit: cover;
  }

  .page-news .experts-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .expert-card--media {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
  }

  .page-news .expert-card--media .expert-card__media img {
    height: 100%;
    object-fit: cover;
    min-height: 240px;
  }

  .page-news .videos-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-news__shell {
    padding: 0 40px;
  }

  .page-news .news-masthead h1 {
    font-size: 42px;
  }

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

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

  .page-news .report-card--media {
    grid-row: span 1;
  }

  .page-news .report-card--media img {
    height: 220px;
    object-fit: cover;
  }

  .page-news .experts-list {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-news .expert-card--media {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 2fr;
  }

  .page-news .version-card--main {
    grid-template-columns: 1fr 1.4fr;
  }
}