:root {
      --primary: rgb(255, 45, 85);
      --primary-hover: rgb(230, 30, 70);
      --primary-rgb: 255, 45, 85;
      --text-light: #F3F4F6;
      --text-muted: #9CA3AF;
      --text-dark: #1F2937;
      --body-bg: #F4F6F9;
      --card-bg: #FFFFFF;
      --glacier-cyan: #00F2FE;
    }

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

    
    header {
      background: rgba(11, 15, 25, 0.95);
      backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { height: 40px; width: auto; max-width: 160px; object-fit: contain; }
    .logo span { font-size: 20px; font-weight: 800; color: #FFF; white-space:nowrap; }
    .nav-menu { display: flex; align-items: center; gap: 30px; }
    .nav-menu a { color: var(--text-light); font-size: 15px; font-weight: 500; padding: 8px 0; border-bottom: 2px solid transparent; }
    .nav-menu a:hover { color: var(--glacier-cyan); border-bottom-color: var(--glacier-cyan); }
    .nav-trigger { display: none; background: none; border: none; color: #FFF; font-size: 24px; cursor: pointer; }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px); z-index: 2000; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
    .drawer { position: fixed; top: 0; left: -300px; width: 300px; height: 100%; background: #0B0F19; z-index: 2001; box-shadow: 5px 0 25px rgba(0,0,0,0.5); transition: all 0.3s ease; display: flex; flex-direction: column; padding: 24px; }
    .drawer.active { left: 0; }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 20px; }
    .drawer-close { background: none; border: none; color: #FFF; font-size: 28px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; overflow-y: auto; }
    .drawer-nav a { color: var(--text-light); font-size: 16px; font-weight: 500; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .drawer-nav a:hover { color: var(--glacier-cyan); padding-left: 10px; }

    
    .page-banner {
      background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
      color: #FFF;
      padding: 60px 20px;
      text-align: center;
    }
    .page-banner h1 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }

    
    .tag-index-wrap {
      max-width: 1000px;
      margin: 50px auto;
      padding: 0 20px;
    }
    .tag-index-card {
      background: #FFF;
      border-radius: 16px;
      padding: 40px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }
    .tag-index-card h2 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 24px;
      border-bottom: 1px solid #F3F4F6;
      padding-bottom: 12px;
    }
    .tag-cloud-elements {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }
    .tag-element {
      background: #F3F4F6;
      color: #4B5563;
      padding: 10px 20px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 500;
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .tag-element:hover {
      background: var(--primary);
      color: #FFF;
      transform: scale(1.05);
    }
    .tag-count-num {
      background: rgba(0,0,0,0.06);
      font-size: 11px;
      padding: 2px 6px;
      border-radius: 10px;
    }
    .tag-element:hover .tag-count-num {
      background: rgba(255,255,255,0.2);
    }

    
    footer {
      background: #0B0F19;
      color: var(--text-light);
      padding: 80px 20px 40px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-brand .logo { margin-bottom: 20px; }
    .footer-brand p { color: var(--text-muted); font-size: 14px; line-height: 1.7; }
    .footer-col h4 { font-size: 16px; font-weight: 700; color: #FFF; margin-bottom: 24px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a { color: var(--text-muted); font-size: 14px; }
    .footer-col ul li a:hover { color: var(--primary); }
    .footer-info-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-muted); margin-bottom: 12px; }
    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-links-bottom { display: flex; gap: 20px; }

    @media (max-width: 1024px) {
      .footer-container { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .nav-trigger { display: block; }
      .footer-container { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
    }