body.ui-style-7 {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.section {
  transition: box-shadow 0.3s ease;
}

.section:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.video-card {
  transition: all 0.3s ease;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.2);
}

.video-card h3 a {
  transition: color 0.2s ease;
}

.video-card h3 a:hover {
  color: #2563eb;
}

.nav-links a {
  transition: all 0.2s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #2563eb;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-links a:hover::after {
  width: 80%;
}

h1 {
  position: relative;
  padding-bottom: 15px;
}

h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
}

h2 {
  color: #1e40af;
  margin-bottom: 15px;
  font-size: 20px;
}

p {
  line-height: 1.8;
  margin-bottom: 12px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 768px) {
  .nav-links a::after {
    display: none;
  }

  h1::after {
    width: 40px;
    height: 2px;
  }
}