.article-simple-page {
  padding: 28px 0 64px;
  background: #f4f6f9;
}

.article-simple-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.article-simple-card {
  background: #ffffff;
  border: 1px solid #e8edf3;
  border-radius: 8px;
  box-shadow: 0 10px 26px rgba(17, 41, 74, 0.04);
  overflow: hidden;
}

.article-simple-head {
  padding: 34px 56px 20px;
  background: #ffffff;
  color: #1f2937;
  border-bottom: 1px solid #eef2f6;
}

.article-simple-breadcrumb {
  margin-bottom: 18px;
  font-size: 13px;
  line-height: 20px;
  color: #8a97a6;
}

.article-simple-breadcrumb a {
  color: #6f7c8b;
}

.article-simple-head h1 {
  margin: 0;
  font-size: 38px;
  line-height: 1.28;
  font-weight: 700;
  color: #121a26;
  letter-spacing: -0.02em;
}

.article-simple-meta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  font-size: 14px;
  line-height: 22px;
  color: #7f8b99;
}

.article-simple-meta .meta-source {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eaf2ff;
  color: #165dca;
  font-weight: 700;
}

.article-simple-body {
  padding: 0 56px 42px;
}

.article-simple-lead {
  margin: 24px 0 0;
  color: #5f6b78;
  font-size: 18px;
  line-height: 32px;
}

.article-simple-cover {
  margin: 28px 0 34px;
  padding: 28px 30px;
  border-radius: 8px;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.2), transparent 36%),
    linear-gradient(135deg, #eef5ff 0%, #f8fbff 100%);
  border: 1px solid #dce8fb;
}

.article-simple-cover .cover-kicker {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.article-simple-cover .cover-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.5;
  font-weight: 700;
  color: #142132;
}

.article-simple-cover .cover-desc {
  margin: 12px 0 0;
  color: #5c6a79;
  font-size: 15px;
  line-height: 28px;
}

.article-simple-section {
  margin-bottom: 34px;
}

.article-simple-section:last-child {
  margin-bottom: 0;
}

.article-simple-section h2 {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.45;
  font-weight: 700;
  color: #121a26;
}

.article-simple-section h3 {
  margin: 22px 0 10px;
  font-size: 20px;
  line-height: 1.55;
  font-weight: 700;
  color: #1d2733;
}

.article-simple-section p {
  margin: 0 0 18px;
  color: #2f3c49;
  font-size: 18px;
  line-height: 1.95;
}

.article-simple-section p:last-child {
  margin-bottom: 0;
}

.article-simple-section ul {
  margin: 0;
  padding-left: 24px;
}

.article-simple-section li {
  margin-bottom: 12px;
  color: #2f3c49;
  font-size: 18px;
  line-height: 1.9;
}

.article-simple-section li:last-child {
  margin-bottom: 0;
}

.article-simple-quote {
  margin: 22px 0 0;
  padding: 18px 22px;
  border-left: 4px solid #1d4ed8;
  background: #f7faff;
  color: #31506d;
  font-size: 16px;
  line-height: 30px;
}

.article-simple-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.article-simple-links a {
  display: block;
  padding: 16px 18px;
  border: 1px solid #e6ebf1;
  border-radius: 6px;
  background: #fafcff;
  color: #182230;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.article-simple-links a:hover {
  border-color: #bfd4fb;
  background: #f4f8ff;
}

.article-simple-links strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  color: #142132;
}

.article-simple-links span {
  display: block;
  color: #667586;
  font-size: 14px;
  line-height: 24px;
}

.article-simple-back {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid #cad5e3;
  background: #ffffff;
  color: #1f2937;
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 768px) {
  .article-simple-page {
    padding: 18px 0 40px;
  }

  .article-simple-head {
    padding: 26px 20px 16px;
  }

  .article-simple-body {
    padding: 0 20px 30px;
  }

  .article-simple-head h1 {
    font-size: 29px;
  }

  .article-simple-lead,
  .article-simple-section p,
  .article-simple-section li {
    font-size: 16px;
    line-height: 30px;
  }

  .article-simple-section h2 {
    font-size: 24px;
  }

  .article-simple-section h3 {
    font-size: 18px;
  }

  .article-simple-cover {
    padding: 22px 18px;
  }

  .article-simple-cover .cover-title {
    font-size: 20px;
  }
}