/* ===== 品牌日志页面专属样式 ===== */
.page-news {
  --news-gold: #D4A843;
  --news-orange: #F26C4F;
  --news-dark: #0A1D3F;
  --news-mid: #1B3A6B;
  --news-light: #F5F5F5;
  --news-white: #FFFFFF;
  --news-text: #333333;
  --news-text-light: #E0E0E0;
  --news-gap: 24px;
  --news-radius: 4px;
  --news-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--news-gap);
  font-family: 'Open Sans', sans-serif;
  color: var(--news-text);
  line-height: 1.8;
}

/* 页面标题区 */
.page-news__hero {
  padding: 60px 0 48px;
  border-bottom: 2px solid var(--news-gold);
  margin-bottom: 48px;
  position: relative;
}

.page-news__hero::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background: var(--news-orange);
}

.page-news__hero-inner {
  max-width: 800px;
}

.page-news__title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  letter-spacing: 2px;
  line-height: 1.1;
  color: var(--news-dark);
  margin: 12px 0 16px;
  text-transform: uppercase;
}

.page-news__subtitle {
  font-size: 1.1rem;
  color: #555;
  max-width: 600px;
  font-weight: 400;
  margin: 0;
}

/* 通用区块头 */
.page-news__section-header {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid #ddd;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.page-news__section-header--dark {
  border-bottom-color: var(--news-mid);
}

.page-news__section-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  letter-spacing: 1px;
  color: var(--news-dark);
  margin: 0;
  line-height: 1.2;
}

.page-news__section-desc {
  font-size: 0.95rem;
  color: #777;
  margin: 0;
}

/* 精选文章区 */
.page-news__featured {
  margin-bottom: 64px;
}

.page-news__featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news__featured-card {
  background: var(--news-white);
  border: 1px solid #e8e8e8;
  border-radius: var(--news-radius);
  overflow: hidden;
  transition: box-shadow var(--news-transition), transform var(--news-transition);
  cursor: default;
  display: flex;
  flex-direction: column;
}

.page-news__featured-card:hover {
  box-shadow: 0 8px 28px rgba(10, 29, 63, 0.12);
  transform: translateY(-3px);
}

.page-news__featured-card--alt {
  border-color: var(--news-gold);
  border-width: 1px 1px 1px 3px;
}

.page-news__featured-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: #e0e0e0;
}

.page-news__featured-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--news-transition);
}

.page-news__featured-card:hover .page-news__featured-img {
  transform: scale(1.03);
}

.page-news__card-label {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--news-orange);
  color: #fff;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 2px;
  font-family: 'Oswald', sans-serif;
}

.page-news__featured-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

.page-news__card-number {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--news-gold);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
  opacity: 0.6;
}

.page-news__featured-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.5px;
  color: var(--news-dark);
  margin: 0 0 10px;
  line-height: 1.2;
}

.page-news__featured-summary {
  font-size: 0.95rem;
  color: #555;
  margin: 0 0 16px;
  flex: 1;
}

.page-news__read-link {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--news-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--news-transition), color var(--news-transition);
  align-self: flex-start;
}

.page-news__read-link:hover {
  gap: 12px;
  color: var(--news-dark);
}

.page-news__link-arrow {
  display: inline-block;
  transition: transform var(--news-transition);
}

.page-news__read-link:hover .page-news__link-arrow {
  transform: translateX(4px);
}

/* 专题索引区 */
.page-news__topics {
  margin-bottom: 64px;
  padding: 48px 0;
  background: var(--news-dark);
  border-radius: var(--news-radius);
  padding: 48px var(--news-gap);
}

.page-news__topics .page-news__section-title {
  color: var(--news-white);
}

.page-news__topics .page-news__section-desc {
  color: rgba(224, 224, 224, 0.8);
}

.page-news__topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: 8px;
}

.page-news__topic-group {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(212, 168, 67, 0.25);
  border-radius: var(--news-radius);
  padding: 24px;
  transition: background var(--news-transition), border-color var(--news-transition);
  display: flex;
  flex-direction: column;
}

.page-news__topic-group:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(212, 168, 67, 0.6);
}

.page-news__topic-icon {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 2px;
  margin-bottom: 16px;
  background: var(--news-mid);
}

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

.page-news__topic-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 1px;
  color: var(--news-gold);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-news__topic-desc {
  font-size: 0.9rem;
  color: rgba(224, 224, 224, 0.85);
  margin: 0 0 16px;
  line-height: 1.6;
}

.page-news__topic-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  flex: 1;
}

.page-news__topic-list li {
  padding: 6px 0;
  border-bottom: 1px solid rgba(212, 168, 67, 0.15);
}

.page-news__topic-list li:last-child {
  border-bottom: none;
}

.page-news__topic-link {
  color: rgba(224, 224, 224, 0.9);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--news-transition), padding-left var(--news-transition);
  display: block;
  padding: 2px 0;
}

.page-news__topic-link:hover {
  color: var(--news-gold);
  padding-left: 8px;
}

.page-news__topic-cta {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--news-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--news-transition), color var(--news-transition);
  align-self: flex-start;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(212, 168, 67, 0.2);
  width: 100%;
}

.page-news__topic-cta:hover {
  gap: 12px;
  color: var(--news-gold);
}

/* 专家专栏合集 */
.page-news__experts {
  margin-bottom: 64px;
}

.page-news__expert-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news__expert-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--news-white);
  border: 1px solid #e8e8e8;
  border-left: 3px solid var(--news-gold);
  border-radius: var(--news-radius);
  transition: box-shadow var(--news-transition), transform var(--news-transition);
  align-items: flex-start;
}

.page-news__expert-item:hover {
  box-shadow: 0 4px 16px rgba(10, 29, 63, 0.08);
  transform: translateX(4px);
}

.page-news__expert-avatar {
  width: 60px;
  height: 60px;
  min-width: 60px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--news-gold);
  background: var(--news-mid);
}

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

.page-news__expert-content {
  flex: 1;
  min-width: 0;
}

.page-news__expert-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.3px;
  color: var(--news-dark);
  margin: 0 0 6px;
  line-height: 1.2;
}

.page-news__expert-summary {
  font-size: 0.9rem;
  color: #666;
  margin: 0 0 10px;
  line-height: 1.6;
}

.page-news__expert-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news__expert-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--news-orange);
  background: rgba(242, 108, 79, 0.1);
  padding: 2px 10px;
  border-radius: 2px;
  font-family: 'Oswald', sans-serif;
}

.page-news__expert-link {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--news-dark);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--news-transition), color var(--news-transition);
}

.page-news__expert-link:hover {
  gap: 12px;
  color: var(--news-orange);
}

.page-news__expert-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #ddd;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.page-news__expert-note {
  font-size: 0.85rem;
  color: #888;
  font-style: italic;
  margin: 0;
  max-width: 600px;
}

.page-news__expert-about-link {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--news-gold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--news-transition), color var(--news-transition);
}

.page-news__expert-about-link:hover {
  gap: 12px;
  color: var(--news-dark);
}

/* 浏览更多 */
.page-news__more {
  padding: 40px 0 56px;
  text-align: center;
  border-top: 2px solid var(--news-gold);
}

.page-news__more-text {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--news-dark);
  margin: 0 0 20px;
}

.page-news__more-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ===== 响应式：平板 ===== */
@media (min-width: 640px) {
  .page-news {
    padding: 0 32px;
  }

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

  .page-news__featured-card:first-child {
    grid-column: 1 / -1;
  }

  .page-news__topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-news__expert-avatar {
    width: 80px;
    height: 80px;
    min-width: 80px;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 1024px) {
  .page-news {
    padding: 0 48px;
  }

  .page-news__hero {
    padding: 80px 0 56px;
    margin-bottom: 64px;
  }

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

  .page-news__featured-card:first-child {
    grid-column: auto;
  }

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

  .page-news__expert-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__expert-item {
    padding: 24px;
  }

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

  .page-news__featured-title {
    font-size: 1.5rem;
  }
}

/* ===== 响应式：大桌面 ===== */
@media (min-width: 1280px) {
  .page-news {
    padding: 0 64px;
  }

  .page-news__hero {
    padding: 100px 0 64px;
  }

  .page-news__title {
    font-size: 5rem;
  }
}

/* ===== 辅助类 ===== */
.text-gold {
  color: var(--news-gold);
}

.text-orange {
  color: var(--news-orange);
}

.page-news .btn {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 2px;
  transition: background var(--news-transition), color var(--news-transition), border-color var(--news-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  border: 2px solid transparent;
}

.page-news .btn-accent {
  background: var(--news-orange);
  color: #fff;
  border-color: var(--news-orange);
}

.page-news .btn-accent:hover {
  background: transparent;
  color: var(--news-orange);
  border-color: var(--news-orange);
}

.page-news .btn-outline {
  background: transparent;
  color: var(--news-dark);
  border-color: var(--news-dark);
}

.page-news .btn-outline:hover {
  background: var(--news-dark);
  color: var(--news-white);
  border-color: var(--news-dark);
}

/* ===== 窄屏安全 ===== */
@media (max-width: 400px) {
  .page-news {
    padding: 0 12px;
  }

  .page-news__featured-body {
    padding: 16px;
  }

  .page-news__expert-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
  }

  .page-news__expert-avatar {
    width: 50px;
    height: 50px;
    min-width: 50px;
  }

  .page-news__expert-meta {
    justify-content: center;
  }

  .page-news__topics {
    padding: 32px 12px;
  }

  .page-news__topic-group {
    padding: 16px;
  }
}