.article-topbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(10, 26, 52, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-topbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

.article-back-link:hover {
  color: #bcd6ff;
}

.article-top-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2c5aa0, #163c7a);
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(44, 90, 160, 0.24);
}

.article-top-btn:hover {
  transform: translateY(-2px);
}

.article-hero {
  position: relative;
  height: 72vh;
  min-height: 520px;
  overflow: hidden;
}

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

.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8, 20, 41, 0.82),
    rgba(8, 20, 41, 0.28)
  );
  z-index: 1;
}

.article-hero-content {
  position: absolute;
  left: 50%;
  bottom: 70px;
  transform: translateX(-50%);
  width: calc(100% - 140px);
  max-width: 1280px;
  z-index: 2;
  color: #ffffff;
}

.article-category {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.article-hero-content h1 {
  font-size: 56px;
  line-height: 1.08;
  max-width: 900px;
  margin-bottom: 22px;
}

.article-meta {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-layout {
  background: linear-gradient(180deg, #f8fbff 0%, #eef3fa 100%);
  padding: 90px 70px;
}

.article-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2fr) 370px;
  gap: 34px;
  align-items: start;
}

.article-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 28px;
  padding: 42px;
  box-shadow: 0 18px 50px rgba(18, 47, 95, 0.1);
}

.article-intro {
  font-size: 20px;
  line-height: 1.9;
  color: #334a68;
  margin-bottom: 26px;
  font-weight: 500;
}

.article-card h2 {
  font-size: 32px;
  color: #18355f;
  margin: 38px 0 18px;
  line-height: 1.25;
}

.article-card p {
  font-size: 17px;
  line-height: 1.95;
  color: #556579;
  margin-bottom: 18px;
}

.article-quote {
  margin: 34px 0;
  padding: 28px 30px;
  border-left: 4px solid #2c5aa0;
  background: linear-gradient(
    135deg,
    rgba(44, 90, 160, 0.08),
    rgba(22, 60, 122, 0.04)
  );
  border-radius: 18px;
  color: #23416d;
  font-size: 19px;
  line-height: 1.8;
  font-weight: 600;
}

.article-image-block {
  margin: 34px 0;
  border-radius: 22px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 14px 36px rgba(18, 47, 95, 0.1);
}

.article-image-block img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

.article-image-caption {
  padding: 16px 20px;
  font-size: 14px;
  color: #6c7b8d;
  background: #ffffff;
}

.article-list {
  margin: 18px 0 26px 22px;
  color: #556579;
}

.article-list li {
  margin-bottom: 12px;
  padding-left: 6px;
  line-height: 1.9;
  font-size: 17px;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 28px 24px;
  box-shadow: 0 14px 36px rgba(18, 47, 95, 0.08);
  border: 1px solid rgba(44, 90, 160, 0.08);
}

.sidebar-card h3 {
  font-size: 22px;
  color: #18355f;
  margin-bottom: 16px;
}

.sidebar-card p {
  font-size: 15px;
  line-height: 1.8;
  color: #617286;
  margin-bottom: 16px;
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  color: #556579;
  line-height: 1.8;
}

.sidebar-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2c5aa0;
}

.sidebar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  background: linear-gradient(135deg, #2c5aa0, #163c7a);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
}

.related-link-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-link-list a {
  text-decoration: none;
  color: #1d4278;
  font-size: 15px;
  font-weight: 600;
}

.related-link-list a:hover {
  color: #2c5aa0;
}

.article-cta {
  padding: 90px 70px;
  background: linear-gradient(
    135deg,
    rgba(16, 43, 84, 0.98),
    rgba(27, 72, 138, 0.95)
  );
  color: #ffffff;
  text-align: center;
}

.article-cta-container {
  max-width: 920px;
  margin: 0 auto;
}

.article-cta-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #b8d3ff;
  margin-bottom: 14px;
}

.article-cta h2 {
  font-size: 42px;
  line-height: 1.18;
  margin-bottom: 16px;
}

.article-cta p {
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 28px;
}

.article-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.article-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 999px;
  background: #ffffff;
  color: #153a74;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
}

.article-cta-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
}

.article-footer {
  background: #0e2445;
  color: #ffffff;
  padding: 24px 20px;
}

.article-footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.article-footer p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.article-designed-by a {
  color: #9dc2ff;
  text-decoration: none;
  font-weight: 600;
}

.article-designed-by a:hover {
  color: #ffffff;
}

@media (max-width: 1100px) {
  .article-container {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    order: 2;
  }
}

@media (max-width: 768px) {
  .article-topbar-container,
  .article-layout,
  .article-cta {
    padding-left: 22px;
    padding-right: 22px;
  }

  .article-topbar-container {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .article-hero {
    min-height: 460px;
    height: 62vh;
  }

  .article-hero-content {
    width: calc(100% - 44px);
    bottom: 34px;
  }

  .article-hero-content h1 {
    font-size: 34px;
    line-height: 1.18;
  }

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

  .article-card {
    padding: 28px 20px;
    border-radius: 22px;
  }

  .article-intro {
    font-size: 17px;
    line-height: 1.8;
  }

  .article-card h2 {
    font-size: 26px;
  }

  .article-card p,
  .article-list li {
    font-size: 15px;
    line-height: 1.85;
  }

  .article-image-block img {
    height: 240px;
  }

  .sidebar-card {
    border-radius: 20px;
    padding: 24px 18px;
  }

  .article-cta h2 {
    font-size: 30px;
  }

  .article-cta p {
    font-size: 16px;
    line-height: 1.8;
  }

  .article-footer-container {
    flex-direction: column;
    text-align: center;
  }
}