body { margin:0; font-family: system-ui, sans-serif; color:#333; background:#f9f9f9; }
    .container { max-width:800px; margin:0 auto; padding:20px; }
    header { text-align:center; margin-bottom:30px; }
    header img { max-width:200px; }
    h1 { font-size:1.8rem; margin:20px 0 10px; }
    h2 { font-size:1.4rem; margin:30px 0 10px; }
    p { line-height:1.6; margin:10px 0; }
    ul, ol { margin:10px 0 20px 20px; }
    .btn { display:block; text-align:center; text-decoration:none; background:#0066cc; color:#fff;
          padding:12px; border-radius:6px; font-weight:600; margin:15px auto; width:80%; max-width:300px; }
    .rating { display:flex; align-items:center; font-size:1.1rem; color:#f5a623; }
    .rating span { margin-left:6px; color:#333; font-weight:600; }
    .coupon { background:#fffbe6; border:1px solid #f5d76e; padding:15px; border-radius:6px; margin-bottom:20px; }
    .coupon h3 { margin:0 0 10px; font-size:1.2rem; color:#b8860b; }
    .coupon-code { background:#f5d76e; padding:8px 12px; border-radius:4px; font-family:monospace; font-weight:700; display:inline-block; }
    footer { text-align:center; margin:40px 0 20px; font-size:0.9rem; color:#777; }

  .site-header {
    background: #fff;
    border-bottom: 1px solid #ddd;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .site-branding {
    display: flex;
    align-items: center;
  }
  .site-branding img {
    height: 40px;
    margin-right: 10px;
  }
  .site-nav a {
    margin: 0 8px;
    padding: 6px 8px;
    border-radius: 4px;
    background: #f0f4ff;
    font-weight: 500;
  }
  .site-nav a:hover {
    background: #e0e8ff;
  }
  .header-extra {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
  }
  .header-extra .thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #ccc;
  }
  .header-extra .keywords span {
    display: inline-block;
    background: #e6f7ff;
    padding: 4px 8px;
    margin: 2px;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #555;
  }

  .app-version {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    max-width: 400px;
    margin: 20px auto;
    font-family: system-ui, sans-serif;
  }
  .app-version h2 {
    margin-top: 0;
    font-size: 1.4rem;
    color: #1f2d3a;
  }
  .app-version ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 0;
  }
  .app-version li {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #f1f5f9;
  }
  .app-version li:last-child {
    border-bottom: none;
  }
  .app-version .label {
    color: #555;
  }
  .app-version .value {
    font-weight: 600;
    color: #333;
  }

  .site-footer {
    background: #f1f5f9;
    border-top: 1px solid #e2e8f0;
    padding: 24px 16px;
    text-align: center;
    font-family: system-ui, sans-serif;
    color: #555;
    margin-top: 40px;
  }
  .site-footer .footer-links {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .site-footer .footer-links a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
  }
  .site-footer .footer-links a:hover {
    text-decoration: underline;
  }
  .site-footer .copyright {
    font-size: 0.9rem;
    color: #777;
  }