:root {
      --primary-color: rgb(9, 132, 227);
      --primary-glow: rgba(9, 132, 227, 0.15);
      --dark-ink: #050a18;
      --glacier-blue: #1D7BFF;
      --silver-white: #f5f7fa;
      --text-main: #333333;
      --text-muted: #666666;
      --border-color: #e2e8f0;
      --card-bg: #ffffff;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: 'Helvetica Neue', Arial, 'PingFang SC', sans-serif;
      color: var(--text-main);
      background-color: var(--silver-white);
      line-height: 1.6;
    }
    a { text-decoration: none; color: inherit; }
    
    header {
      background: rgba(255, 255, 255, 0.95);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(10px);
    }
    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }
    .logo img {
      display: block;
      height: 40px;
      width: auto;
      max-width: 160px;
      object-fit: contain;
    }
    .logo span {
      display: inline-block;
      font-size: 18px;
      font-weight: 800;
      color: #111;
    }
    .nav-menu { display: flex; gap: 24px; align-items: center; }
    .nav-menu a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      transition: color 0.3s;
    }
    .nav-menu a:hover { color: var(--primary-color); }
    .menu-toggle {
      display: none;
      font-size: 24px;
      background: none;
      border: none;
      cursor: pointer;
    }

    
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      z-index: 998;
      display: none;
      opacity: 0;
    }
    .drawer-overlay.active { display: block; opacity: 1; }
    .drawer-nav {
      position: fixed;
      top: 0;
      left: -280px;
      width: 280px;
      height: 100%;
      background: var(--dark-ink);
      color: #fff;
      z-index: 999;
      padding: 30px 20px;
      display: flex;
      flex-direction: column;
      gap: 30px;
      transition: left 0.3s ease;
    }
    .drawer-nav.active { left: 0; }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      padding-bottom: 15px;
    }
    .drawer-header .logo span { color: #fff; }
    .drawer-close {
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }
    .drawer-menu-list { display: flex; flex-direction: column; gap: 20px; }
    .drawer-menu-list a { font-size: 16px; color: #cbd5e1; }

    
    .page-banner {
      background: radial-gradient(circle at top, #0b1c3c 0%, var(--dark-ink) 100%);
      color: #fff;
      padding: 60px 20px;
      text-align: center;
    }
    .page-banner h1 { font-size: 32px; font-weight: 800; margin-bottom: 10px; }
    .breadcrumbs {
      display: flex;
      justify-content: center;
      gap: 8px;
      font-size: 14px;
      color: #cbd5e1;
    }
    .breadcrumbs a:hover { color: var(--primary-color); }

    
    .list-wrapper {
      max-width: 1200px;
      margin: 50px auto;
      padding: 0 20px;
      display: grid;
      grid-template-columns: 3fr 1fr;
      gap: 40px;
    }

    
    .article-stream { display: flex; flex-direction: column; gap: 30px; }
    .list-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      box-shadow: 0 4px 6px rgba(0,0,0,0.01);
      transition: all 0.3s;
    }
    .list-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.03);
    }
    .list-card-img {
      width: 260px;
      min-height: 180px;
      background: #eaeef6;
      flex-shrink: 0;
    }
    .list-card-img img { width: 100%; height: 100%; object-fit: cover; }
    .list-card-body { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }
    .list-card-tags { display: flex; gap: 8px; margin-bottom: 10px; }
    .list-card-tag {
      font-size: 11px;
      background: rgba(9, 132, 227, 0.08);
      color: var(--primary-color);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .list-card-title { font-size: 20px; font-weight: 700; color: #111; margin-bottom: 10px; }
    .list-card-summary { font-size: 14px; color: var(--text-muted); margin-bottom: 15px; }
    .list-card-meta {
      margin-top: auto;
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: #94a3b8;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    
    .sidebar-section {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      margin-bottom: 30px;
    }
    .sidebar-title {
      font-size: 16px;
      font-weight: 700;
      color: #111;
      border-left: 4px solid var(--primary-color);
      padding-left: 10px;
      margin-bottom: 20px;
    }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-item {
      font-size: 12px;
      background: #f1f5f9;
      color: var(--text-muted);
      padding: 6px 12px;
      border-radius: 50px;
    }
    .tag-item:hover {
      background: var(--primary-color);
      color: #fff;
    }

    
    .pagination-container {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 40px;
    }
    .page-btn {
      padding: 10px 16px;
      border: 1px solid var(--border-color);
      background: #fff;
      border-radius: 6px;
      font-size: 14px;
      cursor: pointer;
    }
    .page-btn.current {
      background: var(--primary-color);
      color: #fff;
      border-color: var(--primary-color);
    }
    .page-btn.disabled {
      color: #cbd5e1;
      cursor: not-allowed;
    }

    
    footer {
      background-color: #0b1329;
      color: #94a3b8;
      padding: 60px 20px 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .footer-grid {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-logo-area .logo span { color: #fff; }
    .footer-desc { margin: 15px 0; font-size: 14px; line-height: 1.6; }
    .footer-links h4 { color: #fff; font-size: 16px; margin-bottom: 20px; }
    .footer-links ul { list-style: none; }
    .footer-links ul li { margin-bottom: 10px; }
    .footer-links ul li a { font-size: 14px; transition: color 0.3s; }
    .footer-links ul li a:hover { color: #fff; }
    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      flex-wrap: wrap;
      gap: 15px;
    }

    @media (max-width: 992px) {
      .list-wrapper { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .menu-toggle { display: block; }
      .list-card { flex-direction: column; }
      .list-card-img { width: 100%; height: 180px; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    }