.category__header {
  background-color: var(--color-off-white);
  border-bottom: 1px solid var(--border-color);
  padding: 24px 0;
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
}

.category__header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  max-width: 1300px;
  width: 1300px;
}

.category__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary-dark);
}

.category__breadcrumb a {
  color: var(--text-primary-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

.category__breadcrumb a:hover {
  color: var(--color-primary);
}

.category__breadcrumb i {
  font-size: 12px;
}

.category__search-form {
  position: relative;
  width: 100%;
  max-width: 350px;
}

.category__search-form input {
  width: 100%;
  padding: 10px 40px 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-px);
  font-size: 14px;
  outline: none;
}

.category__search-form button {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary-dark);
  cursor: pointer;
  font-size: 18px;
}

.category__main {
  display: flex;
  width: 100%;
  justify-content: center;
}

.category__container {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 100px;
  align-items: start;
  width: 1300px;
  max-width: 1300px;
  margin: 0 auto 60px auto;
}

.category__btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
  margin-bottom: 20px;
}

.category__btn-back:hover {
  color: var(--text-primary-dark);
}

.category__info h1 {
  font-size: 28px;
  color: var(--text-primary-dark);
  margin-bottom: 8px;
}

.category__info p {
  font-size: 16px;
  color: var(--text-secondary-dark);
  margin-bottom: 32px;
  line-height: 1.5;
}

.category__empty {
  text-align: center;
  padding: 48px 24px;
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  color: var(--text-secondary-dark);
}

.category__empty i {
  font-size: 40px;
  margin-bottom: 12px;
}

.category__articles-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.category__article-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background-color: var(--color-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.category__article-card:hover {
  border-color: var(--border-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.category__article-body h2 {
  font-size: 18px;
  color: var(--text-primary-dark);
  margin-bottom: 6px;
  transition: color 0.2s;
}

.category__article-card:hover .category__article-body h2 {
  color: var(--color-primary);
}

.category__article-body p {
  font-size: 14px;
  color: var(--text-secondary-dark);
  line-height: 1.5;
}

.category__article-arrow {
  color: var(--text-secondary-dark);
  font-size: 18px;
  transition: transform 0.2s;
}

.category__article-card:hover .category__article-arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}

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

.category__sidebar-box {
  background-color: var(--color-off-white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px 20px;
}

.category__sidebar-box h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary-dark);
  margin: 0 0 8px 0;
}

.category__sidebar-box > p {
  font-size: 0.88rem;
  color: var(--text-secondary-dark);
  line-height: 1.5;
  margin: 0 0 24px 0;
}

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

.category__contact-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-white);
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.category__contact-card:hover {
  border-color: var(--border-color);
  transform: translateX(3px);
  box-shadow: 0px 2px 8px rgba(16, 24, 40, 0.04);
}

.category__contact-icon {
  font-size: 1.35rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.category__contact-info {
  text-align: left;
}

.category__contact-info h4 {
  color: var(--text-primary-dark);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 1px 0;
}

.category__contact-info p {
  color: var(--text-secondary-dark);
  font-size: 0.78rem;
  margin: 0;
}

.category__contact-card--highlight {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.category__contact-card--highlight:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateX(3px);
  box-shadow: 0px 4px 12px rgba(13, 110, 253, 0.25);
}

.category__contact-card--highlight .category__contact-icon {
  color: var(--color-white);
}

.category__contact-card--highlight .category__contact-info h4 {
  color: var(--text-primary-light);
}

.category__contact-card--highlight .category__contact-info p {
  color: var(--text-secondary-light);
}

@media (max-width: 1368px) {
  .category__header-main,
  .category__container {
    width: 100%;
    padding: 0 24px;
    box-sizing: border-box;
  }

  .category__container {
    gap: 48px;
  }
}

@media (max-width: 1024px) {
  .category__container {
    grid-template-columns: 1fr 280px;
    gap: 32px;
  }

  .category__info h1 {
    font-size: 24px;
  }

  .category__info p {
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  .category__header {
    padding: 20px 0;
  }

  .category__header-main {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .category__search-form {
    max-width: 100%;
  }

  .category__container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .category__info h1 {
    font-size: 22px;
  }

  .category__info p {
    font-size: 15px;
  }

  .category__sidebar {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .category__header-main,
  .category__container {
    padding: 0 16px;
  }

  .category__breadcrumb {
    flex-wrap: wrap;
    font-size: 13px;
  }

  .category__btn-back {
    font-size: 14px;
  }

  .category__info h1 {
    font-size: 20px;
  }

  .category__info p {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .category__article-card {
    padding: 16px;
  }

  .category__article-body h2 {
    font-size: 16px;
  }

  .category__article-body p {
    font-size: 13px;
  }

  .category__article-arrow {
    display: none;
  }

  .category__sidebar-box {
    padding: 18px 16px;
  }

  .category__contact-card {
    padding: 12px;
  }

  .category__contact-icon {
    font-size: 1.2rem;
  }

  .category__empty {
    padding: 32px 16px;
  }
}