:root {
      --primary: #1D7BFF;
      --primary-hover: #0056b3;
      --theme-silver: rgb(223,230,233);
      --dark-ink: #0B132B;
      --dark-blue: #1C2541;
      --light-bg: #F8FAFC;
      --text-main: #1E293B;
      --text-light: #64748B;
      --border-color: rgba(0,0,0,0.08);
      --card-bg: #ffffff;
      --transition: all 0.3s ease;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: var(--text-main);
      background-color: var(--light-bg);
      line-height: 1.6;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }

    
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { height: 40px; width: auto; object-fit: contain; }
    .logo span { font-size: 20px; font-weight: 800; color: var(--dark-ink); }
    .desktop-nav { display: flex; gap: 24px; }
    .desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-main); padding: 8px 0; border-bottom: 2px solid transparent; }
    .desktop-nav a:hover { color: var(--primary); border-bottom-color: var(--primary); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .nav-btn { background: var(--primary); color: #fff; padding: 10px 20px; border-radius: 6px; font-weight: 600; font-size: 14px; }
    .nav-btn:hover { background: var(--primary-hover); }
    .drawer-trigger { display: none; background: none; border: none; flex-direction: column; gap: 6px; cursor: pointer; }
    .drawer-trigger span { display: block; width: 25px; height: 2px; background: var(--dark-ink); }

    
    .mobile-drawer-overlay {
      position: fixed;
      top: 0; left: 0; width: 100vw; height: 100vh;
      background: rgba(0,0,0,0.5); z-index: 1999; opacity: 0; pointer-events: none; transition: var(--transition);
    }
    .mobile-drawer-overlay.active { opacity: 1; pointer-events: auto; }
    .mobile-drawer {
      position: fixed; top: 0; left: -300px; width: 300px; height: 100vh;
      background: #fff; z-index: 2000; box-shadow: 4px 0 20px rgba(0,0,0,0.15);
      transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column;
    }
    .mobile-drawer.active { left: 0; }
    .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
    .drawer-close { background: none; border: none; font-size: 28px; color: var(--text-light); cursor: pointer; }
    .drawer-nav { padding: 20px; display: flex; flex-direction: column; gap: 16px; overflow-y: auto; }
    .drawer-nav a { font-size: 16px; font-weight: 600; color: var(--text-main); padding: 10px 0; border-bottom: 1px solid rgba(0,0,0,0.03); }
    .drawer-nav a:hover { color: var(--primary); }
    .drawer-btn { margin-top: 10px; background: var(--primary); color: #fff; text-align: center; padding: 12px; border-radius: 6px; font-weight: 600; }

    
    .breadcrumb-wrapper {
      background: var(--theme-silver);
      padding: 15px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .breadcrumb-container {
      max-width: 1200px;
      margin: 0 auto;
      font-size: 14px;
      color: var(--text-light);
    }
    .breadcrumb-container a {
      color: var(--primary);
    }

    
    .list-layout {
      max-width: 1200px;
      margin: 40px auto 80px;
      padding: 0 20px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
    }

    .list-header {
      grid-column: span 2;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 10px;
    }

    .list-header h1 {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark-ink);
    }

    .list-header p {
      color: var(--text-light);
      margin-top: 8px;
    }

    
    .articles-list {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    .full-info-card {
      background: var(--card-bg);
      border-radius: 12px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      transition: var(--transition);
    }

    .full-info-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }

    .card-thumbnail {
      width: 240px;
      min-height: 180px;
      background-color: var(--theme-silver);
      flex-shrink: 0;
    }

    .card-thumbnail img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      flex-grow: 1;
    }

    .card-meta-top {
      display: flex;
      align-items: center;
      gap: 15px;
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 10px;
    }

    .card-meta-top span.category-badge {
      background: rgba(29,123,255,0.1);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    .card-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--dark-ink);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .card-title a:hover {
      color: var(--primary);
    }

    .card-summary {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 20px;
      line-height: 1.6;
    }

    .card-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      border-top: 1px solid rgba(0,0,0,0.03);
      padding-top: 12px;
    }

    .card-tags a {
      background: #F1F5F9;
      color: var(--text-light);
      padding: 3px 8px;
      border-radius: 4px;
      margin-right: 6px;
    }

    .card-tags a:hover {
      background: var(--primary);
      color: #fff;
    }

    
    .sidebar-modules {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

    .sidebar-widget {
      background: var(--card-bg);
      border-radius: 12px;
      border: 1px solid var(--border-color);
      padding: 24px;
    }

    .sidebar-widget h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark-ink);
      border-left: 4px solid var(--primary);
      padding-left: 10px;
      margin-bottom: 20px;
    }

    .widget-articles-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .widget-article-item {
      display: flex;
      gap: 12px;
      align-items: center;
    }

    .widget-thumb {
      width: 60px;
      height: 60px;
      border-radius: 6px;
      overflow: hidden;
      background-color: var(--theme-silver);
      flex-shrink: 0;
    }

    .widget-thumb img { width: 100%; height: 100%; object-fit: cover; }

    .widget-info {
      flex-grow: 1;
    }

    .widget-info h4 {
      font-size: 14px;
      font-weight: 600;
      line-height: 1.4;
      margin-bottom: 4px;
    }

    .widget-info p {
      font-size: 11px;
      color: var(--text-light);
    }

    
    .tag-cloud-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-cloud-wrapper a {
      background: #F1F5F9;
      color: var(--text-main);
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 13px;
    }

    .tag-cloud-wrapper a:hover {
      background: var(--primary);
      color: #fff;
    }

    
    .pagination-container {
      margin-top: 40px;
      display: flex;
      justify-content: center;
      gap: 8px;
    }

    .pagination-container a, .pagination-container span {
      display: inline-block;
      padding: 8px 16px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      background: var(--card-bg);
      font-weight: 600;
      font-size: 14px;
    }

    .pagination-container a:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    .pagination-container .current {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    .pagination-container .disabled {
      color: var(--text-light);
      pointer-events: none;
      background: rgba(0,0,0,0.02);
    }

    
    .site-footer { background: var(--dark-ink); color: #94A3B8; border-top: 1px solid rgba(255,255,255,0.05); }
    .footer-container { max-width: 1200px; margin: 0 auto; padding: 80px 20px 40px; display: flex; justify-content: space-between; gap: 60px; }
    .footer-brand { flex: 1; max-width: 400px; }
    .footer-brand .logo span { color: #fff; }
    .brand-desc { margin-top: 20px; font-size: 14px; line-height: 1.6; }
    .footer-links-grid { display: grid; grid-template-columns: repeat(3, 160px); gap: 40px; }
    .footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a { font-size: 14px; transition: var(--transition); }
    .footer-col ul li a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 30px 20px; max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; font-size: 13px; }

    @media (max-width: 1024px) {
      .list-layout { grid-template-columns: 1fr; }
      .list-header { grid-column: span 1; }
    }

    @media (max-width: 768px) {
      .desktop-nav, .nav-btn { display: none; }
      .drawer-trigger { display: flex; }
      .full-info-card { flex-direction: column; }
      .card-thumbnail { width: 100%; height: 200px; }
      .footer-container { flex-direction: column; gap: 40px; }
      .footer-links-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
      .footer-bottom { flex-direction: column; text-align: center; gap: 15px; }
    }