body {
    margin: 0;
    font-family: 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0f141a 0%, #0b0f14 60%, #070a0d 100%);
    color: #d9e1e8;
    overflow-x: hidden;
    position: relative;
  }
  
  /* Subtle Tech Grid Background */
  body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: url('Akbackground.avif') center/cover no-repeat;
    opacity: 0.06;
    pointer-events: none;
    z-index: -1;
  }
  
  /* Links */
  a {
    color: #00c2ff;
    text-decoration: none;
    transition: 0.3s ease;
  }
  
  a:hover {
    color: #66e0ff;
    text-shadow: 0 0 8px rgba(0, 194, 255, 0.6);
  }
  
  /* Header */
  
  header {
    background-color: rgba(255, 255, 255, 0.85);
    padding: 60px 20px;
    text-align: center;
    border-bottom: 2px solid #0786ad;
    backdrop-filter: blur(5px);
    background-image: url('Akheader.jpg');
    background-size: cover;
  }
  header ul {
    list-style: none;
    padding: 0;
    margin: 25px 0 0;
    display: flex;
    justify-content: center;
    gap: 35px;
  }
  
  header h1 {
    font-size: 3rem;
    margin: 0;
    color: #00c8ff;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 600;
  }
  
  header p {
    font-size: 1.1rem;
    color: #9fb3c8;
    margin-top: 15px;
    letter-spacing: 1px;
  }
  
  /* Main Content */
  main {
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
  }
  
  section {
    margin-bottom: 70px;
    padding: 30px;
    background: rgba(18, 24, 31, 0.8);
    border: 1px solid rgba(0, 194, 255, 0.2);
    border-left: 4px solid #00c2ff;
    backdrop-filter: blur(6px);
    box-shadow: 0 0 25px rgba(0,0,0,0.6);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards;
  }
  
  section:nth-of-type(1) { animation-delay: 0.3s; }
  section:nth-of-type(2) { animation-delay: 0.6s; }
  
  @keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
  }
  
  h2 {
    color: #00c2ff;
    margin-bottom: 20px;
    font-weight: 500;
    border-bottom: 1px solid rgba(0, 194, 255, 0.4);
    padding-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  
  /* Trailer Video */
  .trailer {
    text-align: center;
  }
  
  .trailer-video {
    width: 100%;
    max-width: 800px;
    height: 450px;
    border-radius: 6px;
    border: 1px solid rgba(0, 194, 255, 0.5);
    box-shadow: 0 0 30px rgba(0, 194, 255, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    filter: brightness(0.95) contrast(1.05);
  }
  
  .trailer-video:hover {
    transform: scale(1.02);
    box-shadow: 0 0 40px rgba(0, 194, 255, 0.4);
  }
  
  /* Summary */
  .summary {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #c7d4df;
  }
  
  /* Footer */
  footer {
    background: #0a0f14;
    text-align: center;
    padding: 25px;
    border-top: 1px solid rgba(0, 194, 255, 0.3);
    font-size: 0.9rem;
    color: #7f95a8;
  }
  
  /* Arknights Tactical Button */
  .btn {
    display: inline-block;
    padding: 14px 30px;
    background: linear-gradient(to right, #00c2ff, #007ea7);
    color: #ffffff;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    margin-top: 20px;
  }
  
  .btn:hover {
    background: linear-gradient(to right, #00e1ff, #0099cc)
  }