/* ===== 页面专属：品牌日志 .page-news ===== */
.page-news {
  --news-border-accent: 4px solid var(--color-secondary, #cfa144);
  --news-timeline-line: 3px solid var(--color-secondary, #cfa144);
  --news-card-shadow: var(--shadow-heavy, 8px 8px 0 rgba(0,0,0,0.15));
  --news-transition: var(--transition-speed, 0.3s ease);

  display: block;
  width: 100%;
  max-width: 100%;
  background-color: var(--color-bg-light, #f5f5f0);
  color: var(--color-text, #1a1a1a);
  font-family: var(--font-body, Georgia, serif);
  line-height: 1.7;
  padding: 0;
  margin: 0;
}

/* 容器 */
.page-news__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* 面包屑 */
.page-news__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid var(--color-secondary, #cfa144);
}
.page-news__breadcrumb-link {
  color: var(--color-primary, #004d40);
  text-decoration: none;
  transition: color var(--news-transition);
}
.page-news__breadcrumb-link:hover,
.page-news__breadcrumb-link:focus-visible {
  color: var(--color-secondary, #cfa144);
  outline: 2px solid var(--color-accent, #8b2252);
  outline-offset: 2px;
}
.page-news__breadcrumb-sep {
  color: var(--color-accent, #8b2252);
  font-weight: bold;
}
.page-news__breadcrumb-current {
  color: var(--color-text, #1a1a1a);
  font-weight: bold;
}

/* 页面头部 */
.page-news__header {
  margin-bottom: 3rem;
  padding: 0 0 1.5rem;
  border-bottom: var(--news-border-accent);
}
.page-news__title {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 2.8rem;
  font-weight: bold;
  color: var(--color-primary, #004d40);
  margin: 0 0 0.5rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-news__subtitle {
  font-family: var(--font-body, Georgia, serif);
  font-size: 1.15rem;
  color: #444;
  margin: 0;
  max-width: 600px;
}

/* 标签页导航 */
.page-news__tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 2.5rem;
  border-bottom: 4px solid var(--color-primary, #004d40);
  list-style: none;
  padding: 0;
}
.page-news__tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem 0.7rem;
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text, #1a1a1a);
  background: transparent;
  border: none;
  border-bottom: 4px solid transparent;
  margin-bottom: -4px;
  cursor: pointer;
  transition: all var(--news-transition);
  position: relative;
  white-space: nowrap;
}
.page-news__tab-btn:hover,
.page-news__tab-btn:focus-visible {
  color: var(--color-secondary, #cfa144);
  outline: 2px solid var(--color-accent, #8b2252);
  outline-offset: -2px;
}
.page-news__tab-btn[aria-selected="true"] {
  color: var(--color-primary, #004d40);
  border-bottom-color: var(--color-secondary, #cfa144);
  background: rgba(0,77,64,0.04);
}
.page-news__tab-index {
  font-size: 0.75rem;
  color: var(--color-accent, #8b2252);
  opacity: 0.8;
}
.page-news__tab-label {
  font-size: 1.05rem;
}

/* 标签面板 */
.page-news__tab-panel {
  display: none;
  padding: 1.5rem 0 0.5rem;
  animation: pageNewsFadeIn 0.45s ease forwards;
}
.page-news__tab-panel[data-active] {
  display: block;
}
@keyframes pageNewsFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 面板头部 */
.page-news__panel-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-accent, #8b2252);
}
.page-news__panel-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 4px;
  flex-shrink: 0;
  background: var(--color-bg-dark, #00251a);
  padding: 4px;
}
.page-news__panel-title {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-primary, #004d40);
  margin: 0;
  line-height: 1.2;
  text-transform: uppercase;
}
.page-news__panel-desc {
  font-family: var(--font-body, Georgia, serif);
  font-size: 1rem;
  color: #555;
  margin: 0;
  width: 100%;
}

/* 时间线布局（版本更新） */
.page-news__timeline {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  position: relative;
  padding-left: 2.2rem;
}
.page-news__timeline::before {
  content: '';
  position: absolute;
  left: 0.6rem;
  top: 0;
  bottom: 0;
  width: var(--news-timeline-line);
  background: var(--color-secondary, #cfa144);
  border-radius: 2px;
}
.page-news__timeline-item {
  position: relative;
  padding: 1.2rem 1.5rem;
  background: #ffffff;
  border: 3px solid var(--color-primary, #004d40);
  box-shadow: var(--news-card-shadow);
  transition: box-shadow var(--news-transition), transform var(--news-transition);
}
.page-news__timeline-item:hover {
  box-shadow: 10px 10px 0 rgba(0,77,64,0.2);
  transform: translate(-2px, -2px);
}
.page-news__timeline-marker {
  position: absolute;
  left: -2.2rem;
  top: 1.5rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-secondary, #cfa144);
  border: 3px solid var(--color-primary, #004d40);
  z-index: 2;
}
.page-news__timeline-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-news__item-title {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--color-primary, #004d40);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-news__item-summary {
  font-family: var(--font-body, Georgia, serif);
  font-size: 0.95rem;
  color: #444;
  margin: 0.2rem 0 0.4rem;
}
.page-news__item-toggle {
  align-self: flex-start;
  font-size: 0.85rem;
  padding: 0.3rem 1rem;
  font-family: var(--font-heading, Impact, sans-serif);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: background var(--news-transition), transform var(--news-transition);
}
.page-news__item-toggle:focus-visible {
  outline: 3px solid var(--color-accent, #8b2252);
  outline-offset: 2px;
}
.page-news__item-toggle[aria-expanded="true"] {
  background: var(--color-primary, #004d40);
  color: var(--color-text-light, #ffffff);
}
.page-news__item-detail {
  margin-top: 0.6rem;
  padding-top: 0.8rem;
  border-top: 2px dashed var(--color-secondary, #cfa144);
  font-size: 0.95rem;
  color: #333;
  line-height: 1.6;
}
.page-news__item-detail[hidden] {
  display: none;
}
.page-news__item-detail p {
  margin: 0 0 0.6rem;
}

/* 内部链接 */
.page-news__internal-link {
  color: var(--color-link, #cfa144);
  text-decoration: underline;
  font-weight: 600;
  transition: color var(--news-transition);
}
.page-news__internal-link:hover,
.page-news__internal-link:focus-visible {
  color: var(--color-accent, #8b2252);
  outline: 2px solid var(--color-accent, #8b2252);
  outline-offset: 2px;
}

/* 卡片网格（行业观察） */
.page-news__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}
.page-news__insight-card {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 3px solid var(--color-primary, #004d40);
  box-shadow: var(--news-card-shadow);
  overflow: hidden;
  transition: box-shadow var(--news-transition), transform var(--news-transition);
}
.page-news__insight-card:hover {
  box-shadow: 10px 10px 0 rgba(0,77,64,0.18);
  transform: translate(-2px, -2px);
}
.page-news__insight-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 3px solid var(--color-secondary, #cfa144);
}
.page-news__insight-body {
  padding: 1.2rem 1.4rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.page-news__insight-title {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-primary, #004d40);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-news__insight-text {
  font-family: var(--font-body, Georgia, serif);
  font-size: 0.95rem;
  color: #444;
  margin: 0;
  line-height: 1.6;
  flex: 1;
}

/* 品牌动态网格 */
.page-news__brand-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-news__brand-block {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 3px solid var(--color-primary, #004d40);
  box-shadow: var(--news-card-shadow);
  overflow: hidden;
  transition: box-shadow var(--news-transition), transform var(--news-transition);
}
.page-news__brand-block:hover {
  box-shadow: 10px 10px 0 rgba(0,77,64,0.18);
  transform: translate(-2px, -2px);
}
.page-news__brand-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  border-bottom: 3px solid var(--color-accent, #8b2252);
}
.page-news__brand-content {
  padding: 1.2rem 1.4rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.page-news__brand-title {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--color-primary, #004d40);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-news__brand-text {
  font-family: var(--font-body, Georgia, serif);
  font-size: 0.95rem;
  color: #444;
  margin: 0;
  line-height: 1.6;
  flex: 1;
}

/* 联系提示 */
.page-news__contact-note {
  margin-top: 2.5rem;
  padding: 1.2rem 1.6rem;
  background: var(--color-bg-dark, #00251a);
  border: 3px solid var(--color-secondary, #cfa144);
  box-shadow: var(--shadow-heavy-accent, 8px 8px 0 rgba(139,34,82,0.25));
  color: var(--color-text-light, #ffffff);
}
.page-news__contact-text {
  font-family: var(--font-body, Georgia, serif);
  font-size: 1rem;
  margin: 0;
  line-height: 1.7;
}
.page-news__email-link {
  color: var(--color-secondary, #cfa144);
  text-decoration: underline;
  font-weight: 600;
  transition: color var(--news-transition);
}
.page-news__email-link:hover,
.page-news__email-link:focus-visible {
  color: #e8b85e;
  outline: 2px solid var(--color-secondary, #cfa144);
  outline-offset: 2px;
}

/* 底部装饰 */
.page-news__footer-deco {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-primary, #004d40);
  flex-wrap: wrap;
}
.page-news__deco-img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  opacity: 0.3;
  transition: opacity var(--news-transition);
}
.page-news__deco-img:hover {
  opacity: 0.7;
}
.page-news__deco-text {
  font-family: var(--font-heading, Impact, sans-serif);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary, #004d40);
  margin: 0;
}

/* ===== 滚动显现动效 ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 媒体查询：平板及以上 ===== */
@media (min-width: 640px) {
  .page-news__container {
    padding: 2.5rem 2rem 5rem;
  }
  .page-news__title {
    font-size: 3.2rem;
  }
  .page-news__tab-btn {
    padding: 1rem 2.2rem 0.8rem;
    font-size: 1.1rem;
  }
  .page-news__tab-btn .page-news__tab-index {
    font-size: 0.85rem;
  }
  .page-news__tab-btn .page-news__tab-label {
    font-size: 1.1rem;
  }
  .page-news__panel-header {
    flex-wrap: nowrap;
  }
  .page-news__panel-desc {
    width: auto;
    flex: 1;
  }
  .page-news__card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news__brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news__insight-img {
    height: 180px;
  }
  .page-news__brand-img {
    height: 200px;
  }
}

/* ===== 媒体查询：桌面 ===== */
@media (min-width: 960px) {
  .page-news__container {
    padding: 3rem 2.5rem 6rem;
  }
  .page-news__title {
    font-size: 3.8rem;
  }
  .page-news__subtitle {
    font-size: 1.25rem;
  }
  .page-news__tab-nav {
    gap: 0.5rem;
  }
  .page-news__tab-btn {
    padding: 1.1rem 2.8rem 0.9rem;
    font-size: 1.15rem;
  }
  .page-news__tab-btn .page-news__tab-index {
    font-size: 0.9rem;
  }
  .page-news__tab-btn .page-news__tab-label {
    font-size: 1.15rem;
  }
  .page-news__card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .page-news__brand-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.2rem;
  }
  .page-news__timeline {
    padding-left: 3rem;
  }
  .page-news__timeline::before {
    left: 0.8rem;
  }
  .page-news__timeline-marker {
    left: -3rem;
    width: 16px;
    height: 16px;
  }
  .page-news__panel-title {
    font-size: 2.2rem;
  }
  .page-news__insight-img {
    height: 200px;
  }
  .page-news__brand-img {
    height: 220px;
  }
  .page-news__footer-deco {
    margin-top: 5rem;
    gap: 1.5rem;
  }
}

/* ===== 窄屏安全 ===== */
@media (max-width: 420px) {
  .page-news__container {
    padding: 1.2rem 0.8rem 3rem;
  }
  .page-news__title {
    font-size: 2rem;
  }
  .page-news__tab-btn {
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    white-space: normal;
    word-break: break-word;
  }
  .page-news__tab-btn .page-news__tab-label {
    font-size: 0.85rem;
  }
  .page-news__tab-btn .page-news__tab-index {
    font-size: 0.7rem;
  }
  .page-news__timeline {
    padding-left: 1.6rem;
  }
  .page-news__timeline-marker {
    left: -1.6rem;
    width: 10px;
    height: 10px;
    top: 1.2rem;
  }
  .page-news__timeline-item {
    padding: 0.8rem 1rem;
  }
  .page-news__insight-img {
    height: 150px;
  }
  .page-news__brand-img {
    height: 160px;
  }
  .page-news__deco-img {
    width: 100px;
    height: 100px;
  }
  .page-news__panel-icon {
    width: 60px;
    height: 60px;
  }
}

```

.page-news {
  --color-link: currentColor;
}