body {
  	font-family: 'Noto Sans SC', sans-serif;
  	color: #2d3748;
  	background-color: #f8fafc;
  }

  .nav-link {
  	transition: all 0.3s ease;
  	position: relative;
  }

  .nav-link:hover {
  	color: #4f46e5;
  }

  .nav-link::after {
  	content: '';
  	position: absolute;
  	bottom: -2px;
  	left: 0;
  	width: 0;
  	height: 2px;
  	background-color: #4f46e5;
  	transition: width 0.3s ease;
  }

  .nav-link:hover::after {
  	width: 100%;
  }

  .hero-section {
  	background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
  }

  .card {
  	transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .card:hover {
  	transform: translateY(-5px);
  	box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.1);
  }

  .section-title {
  	position: relative;
  	display: inline-block;
  }

  .section-title::after {
  	content: '';
  	position: absolute;
  	bottom: -8px;
  	left: 0;
  	width: 50%;
  	height: 3px;
  	background-color: #4f46e5;
  }

  @media (max-width: 768px) {
  	.mobile-menu {
  		display: none;
  		opacity: 0;
  		transform: translateY(-10px);
  		transition: opacity 0.3s ease, transform 0.3s ease;
  	}

  	.mobile-menu.active {
  		display: block;
  		opacity: 1;
  		transform: translateY(0);
  	}
  }