:root {
      --primary-color: #1D7BFF;
      --secondary-color: rgb(75,85,99);
      --dark-color: #0B132B;
      --light-color: #F8F9FA;
      --border-color: #E2E8F0;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
      --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1);
      --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.15);
      --radius: 12px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #1E293B;
      background-color: var(--light-color);
      line-height: 1.6;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; display: block; }
    .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
    
    
    header {
      background-color: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-inner {
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .logo img {
      height: 38px;
      width: auto;
      max-width: 160px;
      object-fit: contain;
    }
    .logo span {
      font-size: 18px;
      font-weight: 800;
      color: var(--dark-color);
    }
    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 30px;
    }
    .nav-desktop a {
      font-size: 15px;
      font-weight: 500;
      color: var(--secondary-color);
    }
    .nav-desktop a:hover, .nav-desktop a.active {
      color: var(--primary-color);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 15px;
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
    }
    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--dark-color);
      margin: 5px 0;
    }

    
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0,0,0,0.5);
      z-index: 200;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
    }
    .drawer {
      position: fixed;
      top: 0;
      left: -300px;
      width: 280px;
      height: 100%;
      background-color: #FFF;
      z-index: 201;
      padding: 30px 20px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer.active { left: 0; }
    .drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }
    .drawer-nav a {
      font-size: 16px;
      font-weight: 600;
      color: var(--secondary-color);
      padding: 10px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .drawer-close {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
    }

    
    .list-hero {
      background: linear-gradient(135deg, #0B132B 0%, #1C2541 100%);
      color: #FFF;
      padding: 60px 0;
      margin-bottom: 40px;
    }
    .breadcrumbs {
      font-size: 14px;
      color: #94A3B8;
      margin-bottom: 15px;
    }
    .breadcrumbs a { color: #D2E4FF; }
    .list-hero h1 {
      font-size: 32px;
      font-weight: 800;
    }

    .main-grid {
      display: grid;
      grid-template-columns: 8fr 4fr;
      gap: 40px;
      margin-bottom: 80px;
    }

    
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .article-card-horizontal {
      background-color: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      display: grid;
      grid-template-columns: 4fr 8fr;
      transition: var(--transition);
    }
    .article-card-horizontal:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .article-card-horizontal img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .article-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-card-meta {
      display: flex;
      gap: 15px;
      font-size: 13px;
      color: var(--secondary-color);
      margin-bottom: 10px;
    }
    .article-card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark-color);
      margin-bottom: 10px;
    }
    .article-card-desc {
      font-size: 14px;
      color: var(--secondary-color);
      margin-bottom: 20px;
    }
    .article-card-tags {
      display: flex;
      gap: 8px;
    }
    .article-card-tag {
      font-size: 12px;
      background-color: var(--light-color);
      border: 1px solid var(--border-color);
      padding: 3px 10px;
      border-radius: 4px;
    }

    
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .sidebar-widget {
      background-color: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
    }
    .sidebar-widget h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark-color);
      margin-bottom: 15px;
      border-bottom: 2px solid var(--primary-color);
      padding-bottom: 8px;
      display: inline-block;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .tag-cloud a {
      font-size: 12px;
      background-color: var(--light-color);
      padding: 6px 12px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
    }
    .tag-cloud a:hover {
      background-color: var(--primary-color);
      color: #FFF;
    }

    
    .pagination {
      display: flex;
      justify-content: center;
      gap: 10px;
      margin-top: 40px;
    }
    .pagination a, .pagination span {
      padding: 8px 16px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      background-color: #FFF;
      font-weight: 600;
    }
    .pagination .active {
      background-color: var(--primary-color);
      color: #FFF;
      border-color: var(--primary-color);
    }

    
    footer {
      background-color: #0F172A;
      color: #94A3B8;
      padding: 70px 0 30px 0;
      border-top: 1px solid #1E293B;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand .logo span { color: #FFF; }
    .footer-brand p { margin-top: 15px; line-height: 1.6; }
    .footer-col h4 { color: #FFF; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-col ul { display: flex; flex-direction: column; gap: 12px; }
    .footer-col a:hover { color: #FFF; }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
    }

    @media (max-width: 991px) {
      .nav-desktop { display: none; }
      .menu-toggle { display: block; }
      .main-grid { grid-template-columns: 1fr; }
      .article-card-horizontal { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }