:root {
      --primary: rgb(147, 51, 234);
      --glacier-blue: #1D7BFF;
      --silver-white: #F8FAFC;
      --deep-ink: #0B0F19;
      --text-main: #F1F5F9;
      --text-muted: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
      --card-bg: rgba(15, 23, 42, 0.6);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--deep-ink);
      color: var(--text-main);
      line-height: 1.8;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s; }

    
    header {
      background: rgba(11, 15, 25, 0.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 70px;
    }
    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 100%;
    }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { height: 40px; width: auto; object-fit: contain; }
    .logo span { font-size: 18px; font-weight: 800; color: var(--silver-white); }
    .nav-list { display: flex; gap: 30px; list-style: none; }
    .nav-list a { font-size: 15px; font-weight: 500; color: var(--text-muted); }
    .nav-list a:hover { color: var(--glacier-blue); }
    .menu-toggle { display: none; background: none; border: none; color: var(--silver-white); font-size: 24px; cursor: pointer; }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(4px); z-index: 998; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .mobile-drawer { position: fixed; top: 0; left: -300px; width: 300px; height: 100%; background: var(--deep-ink); border-right: 1px solid var(--border-color); z-index: 999; padding: 30px 20px; display: flex; flex-direction: column; gap: 40px; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
    .mobile-drawer.active { left: 0; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; }
    .drawer-close { background: none; border: none; color: var(--text-muted); font-size: 24px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 18px; font-weight: 600; color: var(--text-main); padding: 10px 0; border-bottom: 1px solid var(--border-color); }

    
    .breadcrumb-bar {
      background: rgba(255, 255, 255, 0.02);
      border-bottom: 1px solid var(--border-color);
      padding: 15px 20px;
    }
    .breadcrumb-container {
      max-width: 1200px;
      margin: 0 auto;
      font-size: 14px;
      color: var(--text-muted);
    }
    .breadcrumb-container a { color: var(--text-muted); }
    .breadcrumb-container a:hover { color: var(--glacier-blue); }

    
    .article-container {
      max-width: 900px;
      margin: 50px auto 100px;
      padding: 0 20px;
    }
    .article-header {
      margin-bottom: 40px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 30px;
    }
    .article-header h1 {
      font-size: 34px;
      line-height: 1.3;
      color: var(--silver-white);
      margin-bottom: 20px;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .article-meta span a { color: var(--glacier-blue); }

    .article-content {
      font-size: 16px;
      color: var(--text-main);
      margin-bottom: 60px;
    }
    .article-content p {
      margin-bottom: 25px;
    }
    .article-content img {
      border-radius: 8px;
      margin: 20px 0;
      box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    
    .prev-next {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 20px 0;
      margin-bottom: 60px;
      gap: 20px;
    }
    .prev-next a {
      max-width: 48%;
      font-size: 14px;
      color: var(--text-muted);
    }
    .prev-next a:hover { color: var(--glacier-blue); }

    
    .related-section h3 {
      font-size: 22px;
      color: var(--silver-white);
      margin-bottom: 30px;
      border-left: 4px solid var(--primary);
      padding-left: 10px;
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .related-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
    }
    .related-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
    }
    .related-body {
      padding: 15px;
    }
    .related-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--silver-white);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    
    footer {
      background: #060913;
      border-top: 1px solid var(--border-color);
      padding: 80px 20px 30px;
      color: var(--text-muted);
    }
    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-brand { display: flex; flex-direction: column; gap: 20px; }
    .footer-brand p { font-size: 14px; max-width: 300px; }
    .footer-links h4 { color: var(--silver-white); font-size: 16px; font-weight: 600; margin-bottom: 20px; }
    .footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a { font-size: 14px; }
    .footer-links a:hover { color: var(--glacier-blue); }
    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding-top: 30px;
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
    }

    @media (max-width: 768px) {
      .nav-list { display: none; }
      .menu-toggle { display: block; }
      .related-grid { grid-template-columns: 1fr; }
      .prev-next { flex-direction: column; }
      .prev-next a { max-width: 100%; }
      .footer-container { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 15px; }
    }