/* ===== 行业观察页专属样式 ===== */
.page-news {
  --masthead-min-height: 320px;
  --card-radius: 8px;
  --section-spacing: 3.5rem;
  --content-gap: 2rem;
  font-family: var(--font-body, 'Noto Serif SC', 'Songti SC', serif);
  color: #333;
  background-color: var(--winter-white, #F8F9FA);
}

/* ---- 报头区域 ---- */
.news-masthead {
  position: relative;
  min-height: var(--masthead-min-height, 320px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem 1rem 2rem;
  margin-bottom: var(--section-spacing);
  overflow: hidden;
  background-color: var(--slate, #2C3E50);
}

.masthead-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.masthead-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: 100%;
}

.masthead-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.85) 0%, rgba(44, 62, 80, 0.40) 100%);
}

.masthead-content {
  position: relative;
  z-index: 2;
  max-width: var(--content-max-width, 1200px);
  width: 100%;
  margin: 0 auto;
}

.masthead-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-small, 0.875rem);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1rem;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
}

.masthead-breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.2s;
}

.masthead-breadcrumb a:hover {
  color: var(--china-red, #D32F2F);
}

.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.4);
  margin: 0 0.2rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--china-red, #D32F2F);
  background: rgba(255, 255, 255, 0.12);
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  margin-bottom: 0.6rem;
}

.masthead-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--font-size-h1, 3rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin: 0 0 0.5rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.30);
}

.masthead-desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: var(--font-size-body, 1rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  line-height: 1.6;
  margin: 0;
}

.masthead-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--spring-green, #7EC850), var(--summer-blue, #2E86C1), var(--autumn-orange, #E67E22), var(--china-red, #D32F2F));
  z-index: 2;
}

/* ---- 通用章节头部 ---- */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: var(--content-max-width, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding: 0 1rem;
}

.section-number {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--china-red, #D32F2F);
  letter-spacing: 0.05em;
  line-height: 1;
}

.section-header h2 {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--font-size-h2, 2.25rem);
  font-weight: 700;
  color: var(--slate, #2C3E50);
  margin: 0;
  line-height: 1.2;
}

.header-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--clay, #A67B5B) 0%, transparent 100%);
  min-width: 40px;
}

/* ---- 最新动态 ---- */
.news-latest {
  max-width: var(--content-max-width, 1200px);
  margin: 0 auto var(--section-spacing);
  padding: 0 1rem;
}

.latest-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--content-gap);
}

.latest-card {
  display: flex;
  background: #fff;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.latest-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.10);
}

.card-season-bar {
  width: 8px;
  flex-shrink: 0;
}

.card-body {
  padding: 1.25rem 1.5rem;
  flex: 1;
}

.card-tag {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.card-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--font-size-h3, 1.75rem);
  font-weight: 700;
  color: var(--slate, #2C3E50);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.card-desc {
  font-size: var(--font-size-body, 1rem);
  color: var(--rock-gray, #707070);
  line-height: 1.6;
  margin: 0 0 0.75rem;
}

.card-meta {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: var(--font-size-small, 0.875rem);
  color: var(--clay, #A67B5B);
  letter-spacing: 0.04em;
}

/* ---- 评价反馈 ---- */
.news-reviews {
  max-width: var(--content-max-width, 1200px);
  margin: 0 auto var(--section-spacing);
  padding: 0 1rem;
}

.reviews-wrapper {
  perspective: 1000px;
}

.review-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  background: #fff;
  border-radius: 12px;
  padding: 2rem 2rem 1.8rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border-left: 6px solid var(--china-red, #D32F2F);
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.review-card:hover {
  transform: rotateY(2deg) scale(1.01);
  box-shadow: 0 10px 36px rgba(0,0,0,0.10);
}

.review-avatars {
  display: flex;
  align-items: center;
  gap: -8px;
  flex-shrink: 0;
}

.review-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  max-width: 100%;
  border: 3px solid var(--winter-white, #F8F9FA);
  margin-right: -12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.10);
}

.review-avatar:last-child {
  margin-right: 0;
}

.review-content {
  flex: 1;
  min-width: 200px;
}

.review-summary {
  font-size: var(--font-size-body, 1rem);
  color: #333;
  line-height: 1.7;
  margin: 0 0 1rem;
  font-style: italic;
}

.review-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.review-badge {
  display: inline-block;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--china-red, #D32F2F);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}

.review-source {
  font-size: var(--font-size-small, 0.875rem);
  color: var(--rock-gray, #707070);
}

.review-flip-hint {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clay, #A67B5B);
  opacity: 0.6;
  width: 100%;
  text-align: right;
  margin-top: 0.5rem;
}

/* ---- 季节服务趋势 ---- */
.news-trends {
  max-width: var(--content-max-width, 1200px);
  margin: 0 auto var(--section-spacing);
  padding: 0 1rem;
}

.trends-container {
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
  align-items: flex-start;
}

.trends-text {
  flex: 1;
}

.trends-season-label {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  display: inline-block;
  margin-bottom: 0.75rem;
  border-bottom: 3px solid currentColor;
  padding-bottom: 0.25rem;
}

.trends-desc {
  font-size: var(--font-size-body, 1rem);
  color: #333;
  line-height: 1.7;
  margin: 0 0 1.25rem;
}

.trends-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
}

.trends-points li {
  position: relative;
  padding-left: 1.2rem;
  font-size: var(--font-size-body, 1rem);
  color: var(--slate, #2C3E50);
  line-height: 1.5;
}

.trends-points li::before {
  content: "●";
  position: absolute;
  left: 0;
  color: var(--spring-green, #7EC850);
  font-size: 0.6rem;
  top: 0.3em;
}

.trends-visual {
  width: 100%;
  max-width: 600px;
  align-self: center;
}

.trends-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  display: block;
}

/* ---- 文章索引 ---- */
.news-index {
  max-width: var(--content-max-width, 1200px);
  margin: 0 auto var(--section-spacing);
  padding: 0 1rem;
}

.index-layout {
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
  align-items: stretch;
}

.index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.index-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: #fff;
  border-radius: var(--card-radius);
  border-left: 4px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.2s ease;
  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
}

.index-item:hover {
  border-left-color: var(--china-red, #D32F2F);
  background: #fefefe;
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.index-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex: 1;
  color: var(--slate, #2C3E50);
}

.index-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.index-link:hover .index-title {
  color: var(--china-red, #D32F2F);
}

.index-arrow {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 1.2rem;
  color: var(--clay, #A67B5B);
  transition: transform 0.2s ease, color 0.2s;
  flex-shrink: 0;
}

.index-link:hover .index-arrow {
  transform: translateX(4px);
  color: var(--china-red, #D32F2F);
}

.index-season {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
  margin-left: 1rem;
  opacity: 0.7;
}

.index-decoration {
  width: 100%;
  max-width: 200px;
  margin: 0 auto;
}

.index-img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  display: block;
}

/* ---- 媒体查询：平板及以上 ---- */
@media (min-width: 640px) {
  .news-masthead {
    padding: 2rem 2rem 2.5rem;
    min-height: 360px;
  }

  .masthead-title {
    font-size: calc(var(--font-size-h1, 3rem) + 0.5rem);
  }

  .masthead-desc {
    font-size: 1.1rem;
  }

  .section-header {
    padding: 0 2rem;
  }

  .news-latest,
  .news-reviews,
  .news-trends,
  .news-index {
    padding: 0 2rem;
  }

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

  .latest-card {
    flex-direction: column;
  }

  .card-season-bar {
    width: 100%;
    height: 6px;
  }

  .card-body {
    padding: 1.5rem 1.25rem 1.75rem;
  }

  .review-card {
    flex-wrap: nowrap;
    padding: 2rem 2.5rem;
  }

  .review-flip-hint {
    width: auto;
    margin-top: 0;
    align-self: flex-end;
  }

  .trends-container {
    flex-direction: row;
    align-items: center;
  }

  .trends-text {
    flex: 1;
  }

  .trends-visual {
    flex: 0 0 50%;
    max-width: 600px;
  }

  .index-layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .index-list {
    flex: 1;
  }

  .index-decoration {
    flex-shrink: 0;
    margin: 0.5rem 0 0 2rem;
  }
}

/* ---- 媒体查询：桌面 ---- */
@media (min-width: 1024px) {
  .news-masthead {
    min-height: 400px;
    padding: 2.5rem 3rem 3rem;
  }

  .masthead-title {
    font-size: calc(var(--font-size-h1, 3rem) + 1rem);
  }

  .section-header {
    padding: 0 3rem;
  }

  .news-latest,
  .news-reviews,
  .news-trends,
  .news-index {
    padding: 0 3rem;
  }

  .review-card {
    padding: 2.5rem 3rem;
  }

  .index-item {
    padding: 1.25rem 1.75rem;
  }
}

/* ---- 大幅桌面 ---- */
@media (min-width: 1280px) {
  .news-masthead {
    padding: 3rem 4rem 3.5rem;
  }

  .section-header {
    padding: 0 4rem;
  }

  .news-latest,
  .news-reviews,
  .news-trends,
  .news-index {
    padding: 0 4rem;
  }
}

/* ---- 减少动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .latest-card,
  .review-card,
  .index-item {
    transition: none;
  }

  .latest-card:hover,
  .review-card:hover,
  .index-item:hover {
    transform: none;
  }

  .index-link:hover .index-arrow {
    transform: none;
  }
}