.page-news {
  --label-num-size: 2.4rem;
  --entry-gap: 1.5rem;
  --cover-max-w: 480px;
  display: block;
  background-color: var(--bg-cream, #FDF5E6);
  color: var(--text-dark, #2C1E16);
  font-family: var(--font-body, Helvetica, Arial, sans-serif);
  line-height: 1.6;
  padding-bottom: 4rem;
}

/* ===== 面包屑 ===== */
.page-news .breadcrumb {
  padding: 1.25rem 0 0.5rem;
  font-size: 0.85rem;
  color: var(--text-soft, #5A4A3A);
  letter-spacing: 0.02em;
}
.page-news .breadcrumb a {
  color: var(--accent-orange, #E85D3A);
  text-decoration: none;
  transition: color var(--transition, 0.3s ease);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--kiwi-green, #8BC34A);
  text-decoration: underline;
}
.page-news .breadcrumb span[aria-current="page"] {
  font-weight: 600;
  color: var(--text-dark, #2C1E16);
}

/* ===== 刊头 ===== */
.page-news__masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 2rem 3rem;
  padding: 1.5rem 0 3rem;
  border-bottom: 2px solid var(--kiwi-green, #8BC34A);
  margin-bottom: 1.5rem;
}
.page-news__masthead-text {
  flex: 1 1 260px;
}
.page-news__masthead-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 0.5rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.page-news__masthead-desc {
  font-size: 1.05rem;
  color: var(--text-soft, #5A4A3A);
  max-width: 540px;
  margin: 0;
}
.page-news__masthead-visual {
  flex: 0 0 auto;
}
.page-news__masthead-img {
  display: block;
  width: 120px;
  height: auto;
  max-width: 100%;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(44, 30, 22, 0.12);
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

/* ===== 筛选栏 ===== */
.page-news__filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.25rem 0 1.75rem;
}
.page-news__filter-btn {
  font-family: var(--font-body, Helvetica, Arial, sans-serif);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 1.2rem;
  border: 1.5px solid var(--text-soft, #5A4A3A);
  background: transparent;
  color: var(--text-soft, #5A4A3A);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition, 0.3s ease);
}
.page-news__filter-btn:hover,
.page-news__filter-btn:focus-visible {
  border-color: var(--accent-orange, #E85D3A);
  color: var(--accent-orange, #E85D3A);
}
.page-news__filter-btn.is-active {
  background: var(--accent-orange, #E85D3A);
  border-color: var(--accent-orange, #E85D3A);
  color: #fff;
}

/* ===== 区块标签 ===== */
.page-news__section-label {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.page-news__label-num {
  font-family: var(--font-heading, Georgia, serif);
  font-size: var(--label-num-size);
  font-weight: 700;
  color: var(--accent-orange, #E85D3A);
  line-height: 1;
  opacity: 0.7;
}
.page-news__section-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark, #2C1E16);
  margin: 0;
  line-height: 1.2;
}

/* ===== 最新日志 —— 封面 ===== */
.page-news__latest {
  padding-bottom: 2rem;
}
.page-news__latest-cover {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 4px 20px rgba(44, 30, 22, 0.06);
}
.page-news__cover-img {
  flex: 0 0 auto;
  width: 100%;
  max-width: var(--cover-max-w);
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  aspect-ratio: 400 / 250;
  box-shadow: 0 4px 12px rgba(44, 30, 22, 0.1);
}
.page-news__cover-summary {
  flex: 1 1 240px;
}
.page-news__cover-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--kiwi-green, #8BC34A);
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}
.page-news__cover-tag[data-tag="update"] {
  background: var(--accent-orange, #E85D3A);
}
.page-news__cover-title {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 0.6rem;
  line-height: 1.25;
}
.page-news__cover-desc {
  font-size: 0.95rem;
  color: var(--text-soft, #5A4A3A);
  margin: 0 0 1rem;
  max-width: 480px;
}
.page-news__cover-link {
  display: inline-block;
  font-weight: 600;
  color: var(--accent-orange, #E85D3A);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  transition: border-color var(--transition, 0.3s ease);
}
.page-news__cover-link:hover,
.page-news__cover-link:focus-visible {
  border-bottom-color: currentColor;
}

/* ===== 日志条目列表 ===== */
.page-news__entry-list {
  display: flex;
  flex-direction: column;
  gap: var(--entry-gap);
}
.page-news__entry {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.25rem 0;
  position: relative;
}
.page-news__entry-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.page-news__entry-num {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-orange, #E85D3A);
  line-height: 1;
  min-width: 1.8rem;
}
.page-news__entry-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kiwi-green, #8BC34A);
  background: rgba(139, 195, 74, 0.12);
  padding: 0.15rem 0.7rem;
  border-radius: 999px;
}
.page-news__entry-tag[data-tag="update"] {
  color: var(--accent-orange, #E85D3A);
  background: rgba(232, 93, 58, 0.1);
}
.page-news__entry-content {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: flex-start;
}
.page-news__entry-thumb {
  flex: 0 0 auto;
  width: 120px;
  height: auto;
  border-radius: 6px;
  object-fit: cover;
  aspect-ratio: 150 / 100;
  box-shadow: 0 2px 8px rgba(44, 30, 22, 0.08);
}
.page-news__entry-text {
  flex: 1 1 200px;
}
.page-news__entry-heading {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.2rem;
  font-weight: 700;
  font-style: italic;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 0.4rem;
  line-height: 1.3;
}
.page-news__entry-excerpt {
  font-size: 0.92rem;
  color: var(--text-soft, #5A4A3A);
  margin: 0 0 0.5rem;
}
.page-news__entry-link {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--accent-orange, #E85D3A);
  text-decoration: none;
  transition: color var(--transition, 0.3s ease);
}
.page-news__entry-link:hover,
.page-news__entry-link:focus-visible {
  color: var(--kiwi-green, #8BC34A);
  text-decoration: underline;
}
.page-news__entry-line {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--kiwi-green, #8BC34A);
  opacity: 0.3;
  margin-top: 0.25rem;
}

/* ===== 版本更新记录 ===== */
.page-news__updates {
  background: rgba(44, 30, 22, 0.03);
  padding-top: 4rem;
  padding-bottom: 4rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}
.page-news__updates-desc {
  font-size: 1rem;
  color: var(--text-soft, #5A4A3A);
  max-width: 560px;
  margin: -0.5rem 0 2rem;
}
.page-news__updates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}
.page-news__update-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
  box-shadow: 0 4px 16px rgba(44, 30, 22, 0.05);
  border-left: 4px solid var(--kiwi-green, #8BC34A);
  transition: transform var(--transition, 0.3s ease), box-shadow var(--transition, 0.3s ease);
}
.page-news__update-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(44, 30, 22, 0.08);
}
.page-news__update-version {
  display: inline-block;
  font-family: var(--font-heading, Georgia, serif);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--accent-orange, #E85D3A);
  padding: 0.2rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}
.page-news__update-heading {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark, #2C1E16);
  margin: 0 0 0.75rem;
  line-height: 1.3;
}
.page-news__update-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-news__update-list li {
  font-size: 0.88rem;
  color: var(--text-soft, #5A4A3A);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.4;
}
.page-news__update-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--kiwi-green, #8BC34A);
  font-weight: 600;
}

/* ===== 行业观察索引 ===== */
.page-news__insights {
  padding-top: 1rem;
  padding-bottom: 3rem;
}
.page-news__insights-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3rem;
  align-items: flex-start;
}
.page-news__insights-text {
  flex: 1 1 280px;
}
.page-news__insights-intro {
  font-size: 1rem;
  color: var(--text-soft, #5A4A3A);
  margin: 0 0 1.5rem;
  max-width: 480px;
}
.page-news__insights-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.page-news__insights-item {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.page-news__insights-icon {
  font-size: 0.7rem;
  color: var(--accent-orange, #E85D3A);
  flex-shrink: 0;
}
.page-news__insights-link {
  font-weight: 500;
  color: var(--text-dark, #2C1E16);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.3s ease), color var(--transition, 0.3s ease);
}
.page-news__insights-link:hover,
.page-news__insights-link:focus-visible {
  color: var(--accent-orange, #E85D3A);
  border-bottom-color: var(--accent-orange, #E85D3A);
}
.page-news__insights-visual {
  flex: 0 0 auto;
}
.page-news__insights-img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
  aspect-ratio: 300 / 200;
  box-shadow: 0 6px 20px rgba(44, 30, 22, 0.08);
}

/* ===== 移动端优先适配 ===== */
@media (max-width: 480px) {
  .page-news__masthead-title {
    font-size: 2rem;
  }
  .page-news__masthead-img {
    width: 80px;
  }
  .page-news__section-title {
    font-size: 1.4rem;
  }
  .page-news__label-num {
    font-size: 1.8rem;
  }
  .page-news__cover-title {
    font-size: 1.25rem;
  }
  .page-news__entry-thumb {
    width: 80px;
  }
  .page-news__entry-heading {
    font-size: 1rem;
  }
  .page-news__updates-grid {
    grid-template-columns: 1fr;
  }
  .page-news__insights-layout {
    flex-direction: column;
  }
  .page-news__insights-img {
    max-width: 100%;
  }
  .page-news__cover-img {
    max-width: 100%;
  }
}

@media (min-width: 481px) and (max-width: 767px) {
  .page-news__masthead-title {
    font-size: 2.4rem;
  }
  .page-news__cover-img {
    max-width: 100%;
  }
  .page-news__updates-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 768px) {
  .page-news__entry-content {
    flex-wrap: nowrap;
  }
  .page-news__entry-thumb {
    width: 150px;
  }
  .page-news__latest-cover {
    flex-wrap: nowrap;
  }
  .page-news__cover-img {
    max-width: var(--cover-max-w);
  }
  .page-news__insights-layout {
    flex-wrap: nowrap;
  }
}