/* Page19 Banner */
.page19-banner::before { background: linear-gradient(rgba(0,0,0,0.55), rgba(30,64,175,0.35)); }

/* Section Title */
.contact-info-col .section-title,
.contact-form-col .section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 28px;
  padding-bottom: 12px;
  position: relative;
  text-align: left;
}
.contact-info-col .section-title::after,
.contact-form-col .section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transform: none;
}
.section-title.center {
  text-align: center;
}
.section-title.center::after {
  left: 50%;
  transform: translateX(-50%);
}

/* Contact Section */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding: 60px 0;
  border-bottom: 1px solid var(--border-color);
}

/* Contact Info */
.info-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 32px;
}
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.info-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--secondary-color);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.info-item:hover .info-icon {
  background: var(--primary-color);
  color: #fff;
  box-shadow: 0 4px 12px rgba(30,64,175,0.2);
}
.info-detail h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 4px;
}
.info-detail p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.contact-qr {
  text-align: center;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px dashed var(--border-color);
}
.contact-qr p {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 10px;
}

/* Contact Form */
.contact-form {
  background: var(--secondary-color);
  padding: 36px;
  border-radius: var(--border-radius);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group .required {
  color: var(--accent-red);
  font-size: 14px;
}
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: var(--accent-red);
}
.contact-form .btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  margin-top: 4px;
  letter-spacing: 2px;
}

/* Article Section */
.article-section {
  padding: 50px 0 60px;
}

/* Article List Grid */
.list-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.list-content .article-card {
  flex-direction: column;
  margin-bottom: 0;
}
.list-content .article-card .card-thumb {
  width: 100%;
  height: 200px;
}
.list-content .article-card .card-body {
  padding: 20px;
}
.list-content .article-card .card-body h3 {
  font-size: 16px;
}
.list-content .article-card .card-body p {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* List Toolbar */
.list-toolbar {
  margin-bottom: 28px;
  display: flex;
  justify-content: center;
}

/* List Pagination */
.list-pagination {
  margin-top: 36px;
}

/* Responsive */
@media (max-width: 1024px) {
  .contact-section {
    gap: 36px;
  }
  .list-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .contact-section {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0;
  }
  .contact-info-col .section-title,
  .contact-form-col .section-title {
    font-size: 22px;
    margin-bottom: 20px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .list-content {
    grid-template-columns: 1fr;
  }
  .contact-form {
    padding: 24px 20px;
  }
  .info-list {
    gap: 22px;
    margin-bottom: 24px;
  }
}