/* =========================================
   Qualitell News Article
   Responsive: Desktop / Tablet / Mobile
========================================= */

.qualitell-article {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 24px 70px;
  font-family: Arial, "Helvetica Neue", "Microsoft YaHei", sans-serif;
  color: #333;
  box-sizing: border-box;
}

.qualitell-article * {
  box-sizing: border-box;
}

/* 正文 */
.qualitell-article p {
  max-width: 920px;
  margin: 0 auto 26px;
  font-size: 17px;
  line-height: 1.85;
  color: #444;
}

/* SEO 内链 */
.qualitell-article .seo-link {
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  transition: color 0.2s ease;
}

.qualitell-article .seo-link:hover {
  color: #0072e7;
  text-decoration: none;
}

/* 图片 */
.qualitell-article .article-image {
  width: 100%;
  margin: 42px auto 38px;
  text-align: center;
}

.qualitell-article .article-image img {
  display: block;
  width: 100%;
  max-width: 1100px;
  height: auto;
  margin: 0 auto;
  border-radius: 10px;
}

/* 双图区域 */
.qualitell-article .image-grid {
  max-width: 1100px;
  margin: 42px auto 38px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.qualitell-article .image-grid img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  border-radius: 10px;
}

/* 重点内容 */
.qualitell-article .highlight {
  max-width: 960px;
  margin: 38px auto;
  padding: 28px 32px;
  background: #f6f8fb;
  border-left: 4px solid #0072e7;
  border-radius: 0 8px 8px 0;
}

.qualitell-article .highlight p {
  max-width: none;
  margin: 0;
}

/* 新闻来源 */
.qualitell-article .source {
  max-width: 920px;
  margin: 34px auto;
  padding-top: 18px;
  border-top: 1px solid #e5e5e5;
  font-size: 13px;
  line-height: 1.6;
  color: #888;
  font-style: italic;
}

/* B2B 结尾 */
.qualitell-article .article-cta {
  max-width: 960px;
  margin: 50px auto 0;
  padding: 34px 38px;
  background: #f6f8fb;
  border-radius: 12px;
}

.qualitell-article .article-cta p {
  max-width: none;
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: #333;
}

/* Tablet */
@media (max-width: 991px) {

  .qualitell-article {
    padding: 20px 20px 55px;
  }

  .qualitell-article p {
    font-size: 16px;
  }

  .qualitell-article .article-image {
    margin-top: 34px;
    margin-bottom: 32px;
  }
}

/* Mobile */
@media (max-width: 600px) {

  .qualitell-article {
    padding: 10px 15px 45px;
  }

  .qualitell-article p {
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.8;
  }

  .qualitell-article .article-image {
    width: calc(100% + 10px);
    margin-left: -5px;
    margin-top: 28px;
    margin-bottom: 28px;
  }

  .qualitell-article .article-image img {
    border-radius: 6px;
  }

  .qualitell-article .image-grid {
    width: calc(100% + 10px);
    margin: 28px 0 28px -5px;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .qualitell-article .image-grid img {
    height: auto;
    min-height: 0;
    border-radius: 6px;
  }

  .qualitell-article .highlight {
    margin: 28px 0;
    padding: 20px 18px;
  }

  .qualitell-article .source {
    font-size: 12px;
  }

  .qualitell-article .article-cta {
    margin-top: 34px;
    padding: 24px 20px;
    border-radius: 8px;
  }

  .qualitell-article .article-cta p {
    font-size: 15px;
  }
}