:root {
      --primary-color: rgb(79,70,229);
      --primary-hover: #4338ca;
      --silver-white: #F8FAFC;
      --deep-ink: #0F172A;
      --slate-grey: #64748B;
      --border-color: #E2E8F0;
      --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
      --text-dark: #0F172A;
      --text-light: #64748B;
    }

    * { 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(--silver-white);
      color: var(--text-dark);
      line-height: 1.6;
    }
    a { text-decoration: none; color: inherit; transition: all 0.3s ease; }

    
    .header {
      position: fixed; top: 0; left: 0; width: 100%; height: 70px;
      background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      z-index: 1000; display: flex; align-items: center; justify-content: space-between; padding: 0 4%;
    }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 38px; width: auto; max-width: 160px; object-fit: contain; }
    .logo span { display: inline-block; font-size: 18px; font-weight: 800; color: var(--deep-ink); }
    .nav-list { display: flex; align-items: center; gap: 28px; list-style: none; }
    .nav-list a { font-size: 15px; font-weight: 500; color: var(--text-light); }
    .nav-list a:hover { color: var(--primary-color); }
    .nav-btn { background-color: var(--primary-color); color: #fff !important; padding: 8px 20px; border-radius: 50px; font-size: 14px !important; font-weight: 600 !important; }
    .nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
    .nav-toggle span { display: block; width: 24px; height: 2px; background-color: var(--deep-ink); margin: 5px 0; }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px); z-index: 1001; opacity: 0; visibility: hidden; transition: 0.3s; }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer { position: fixed; top: 0; left: -320px; width: 300px; height: 100%; background: #fff; z-index: 1002; box-shadow: 10px 0 30px rgba(0,0,0,0.1); transition: 0.3s; display: flex; flex-direction: column; padding: 24px; }
    .drawer.active { left: 0; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; font-size: 24px; color: var(--text-light); cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 16px; font-weight: 500; color: var(--text-dark); padding: 8px 0; border-bottom: 1px solid var(--border-color); }

    
    .category-hero {
      background: radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.05) 0%, rgba(248, 250, 252, 1) 90%);
      padding: 130px 4% 50px;
      border-bottom: 1px solid var(--border-color);
    }
    .breadcrumb {
      font-size: 14px; color: var(--slate-grey); margin-bottom: 16px;
      max-width: 1200px; margin-left: auto; margin-right: auto;
    }
    .breadcrumb a:hover { color: var(--primary-color); }
    .category-info { max-width: 1200px; margin: 0 auto; }
    .category-info h1 { font-size: 32px; font-weight: 800; color: var(--deep-ink); margin-bottom: 10px; }
    .category-info p { font-size: 16px; color: var(--slate-grey); }

    
    .main-layout {
      max-width: 1200px; margin: 60px auto; display: grid; grid-template-columns: 2.5fr 1fr; gap: 40px; padding: 0 4%;
    }

    
    .list-wrapper { display: flex; flex-direction: column; gap: 30px; }
    .list-item {
      background: #fff; border-radius: 16px; border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow); overflow: hidden; display: flex; gap: 24px; padding: 20px;
      transition: all 0.3s ease;
    }
    .list-item:hover { transform: translateY(-4px); box-shadow: 0 15px 35px rgba(0,0,0,0.06); }
    .list-item-img {
      width: 240px; height: 160px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: var(--border-color);
    }
    .list-item-img img { width: 100%; height: 100%; object-fit: cover; }
    .list-item-content { display: flex; flex-direction: column; flex-grow: 1; }
    .list-item-title { font-size: 20px; font-weight: 700; color: var(--deep-ink); margin-bottom: 10px; line-height: 1.4; }
    .list-item-title:hover { color: var(--primary-color); }
    .list-item-summary { font-size: 14px; color: var(--slate-grey); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .list-item-meta { display: flex; gap: 16px; font-size: 12px; color: var(--slate-grey); margin-top: auto; }

    
    .sidebar { display: flex; flex-direction: column; gap: 40px; }
    .widget { background: #fff; border-radius: 16px; padding: 24px; border: 1px solid var(--border-color); }
    .widget-title { font-size: 18px; font-weight: 700; color: var(--deep-ink); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-color); }
    
    
    .sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .sidebar-tag { font-size: 12px; background: #F1F5F9; color: var(--text-light); padding: 6px 12px; border-radius: 6px; }
    .sidebar-tag:hover { background: var(--primary-color); color: #fff; }

    
    .pagination { display: flex; justify-content: center; gap: 8px; margin-top: 50px; }
    .pagination-item { padding: 8px 16px; border-radius: 6px; background: #fff; border: 1px solid var(--border-color); font-size: 14px; color: var(--text-light); }
    .pagination-item:hover { border-color: var(--primary-color); color: var(--primary-color); }
    .pagination-item.current { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
    .pagination-item.disabled { opacity: 0.5; pointer-events: none; }

    
    .footer { background: var(--deep-ink); color: #fff; padding: 80px 4% 40px; margin-top: 100px;}
    .footer-grid { max-width: 1200px; margin: 0 auto 60px; display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }
    .footer-brand .logo span { color: #fff; }
    .footer-brand p { color: var(--slate-grey); font-size: 14px; margin-top: 20px; }
    .footer-links h5 { font-size: 16px; font-weight: 700; margin-bottom: 24px; }
    .footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a { color: var(--slate-grey); font-size: 14px; }
    .footer-links a:hover { color: #fff; }
    .footer-contact p { color: var(--slate-grey); font-size: 14px; margin-bottom: 12px; }
    .footer-bottom { max-width: 1200px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--slate-grey); }

    @media(max-width: 1024px) {
      .main-layout { grid-template-columns: 1fr; }
      .sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
    }
    @media(max-width: 768px) {
      .header { padding: 0 6%; }
      .nav-list { display: none; }
      .nav-toggle { display: block; }
      .list-item { flex-direction: column; }
      .list-item-img { width: 100%; height: 200px; }
      .sidebar { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    }