.char-hero {
      background: linear-gradient(135deg, #4f39f6 0%, #7c3aed 50%, #2563eb 100%);
      color: #ffffff;
      padding: 3rem 1.5rem 4rem;
      text-align: center;
      border-radius: 0 0 2rem 2rem;
      position: relative;
    }
    .char-hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(8px);
      padding: 0.35rem 1.2rem;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 1rem;
      border: 1px solid rgba(255, 255, 255, 0.3);
    }
    .char-hero h1 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      line-height: 1.2;
      margin: 0 auto 0.75rem;
      max-width: 850px;
      letter-spacing: -0.02em;
    }
    .char-hero p {
      font-size: 1.1rem;
      color: rgba(255, 255, 255, 0.9);
      max-width: 650px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .char-map-container {
      max-width: 1100px;
      margin: -2.5rem auto 4rem;
      padding: 0 1.25rem;
      position: relative;
      z-index: 10;
    }

    .map-main-box {
      background: var(--surface, #ffffff);
      border: 1px solid var(--border, #e2e8f0);
      border-radius: 1.25rem;
      box-shadow: 0 12px 35px rgba(79, 57, 246, 0.08);
      padding: 2rem;
      margin-bottom: 2.5rem;
    }

    .map-filter-bar {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 1.75rem;
      align-items: center;
      justify-content: space-between;
    }

    .search-input-wrap {
      flex: 1;
      min-width: 250px;
      position: relative;
    }
    .search-input-wrap i {
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      color: #94a3b8;
    }
    .map-search-input {
      width: 100%;
      padding: 0.75rem 1rem 0.75rem 2.5rem;
      border: 1.5px solid var(--border, #e2e8f0);
      border-radius: 0.75rem;
      font-size: 0.95rem;
      outline: none;
      background: #f8fafc;
      box-sizing: border-box;
      transition: all 0.2s;
    }
    .map-search-input:focus {
      border-color: #4f39f6;
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 57, 246, 0.12);
    }

    .tab-pills {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
    }
    .tab-pill {
      padding: 0.6rem 1.15rem;
      border-radius: 0.6rem;
      border: 1px solid var(--border, #e2e8f0);
      background: #f8fafc;
      color: #475569;
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      transition: all 0.2s;
    }
    .tab-pill:hover {
      background: #ede9fe;
      color: #4f39f6;
      border-color: #ddd6fe;
    }
    .tab-pill.active {
      background: #4f39f6;
      color: #ffffff;
      border-color: #4f39f6;
    }

    .char-code-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
      gap: 1.5rem;
    }
    @media (max-width: 600px) {
      .char-code-grid {
        grid-template-columns: 1fr;
      }
    }

    .char-map-card {
      background: #0f172a;
      color: #f8fafc;
      border-radius: 1rem;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
      display: flex;
      flex-direction: column;
    }
    .card-code-header {
      background: #1e293b;
      padding: 0.85rem 1.25rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #334155;
    }
    .card-code-header h2 {
      margin: 0;
      font-size: 1.05rem;
      font-weight: 700;
      color: #fef08a;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .btn-copy-code {
      background: rgba(255, 255, 255, 0.1);
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 0.35rem 0.85rem;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      transition: all 0.2s;
    }
    .btn-copy-code:hover {
      background: #4f39f6;
      border-color: #4f39f6;
    }

    .code-content-wrap {
      padding: 1.25rem;
      overflow-x: auto;
      font-family: 'JetBrains Mono', Consolas, Monaco, monospace;
      font-size: 0.9rem;
      line-height: 1.8;
      max-height: 520px;
      overflow-y: auto;
    }
    .code-content-wrap pre {
      margin: 0;
      white-space: pre-wrap;
      word-break: break-word;
    }
    .json-key { color: #38bdf8; font-weight: 600; }
    .json-colon { color: #94a3b8; }
    .json-val { color: #4ade80; }
    .json-comma { color: #64748b; }

    .article-wrap {
      max-width: 900px;
      margin: 0 auto;
      padding: 1rem 0 3rem;
    }
    .cat-heading {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--text-main, #1e293b);
      margin: 2.5rem 0 1rem;
      border-bottom: 2px solid var(--border, #e2e8f0);
      padding-bottom: 0.5rem;
    }
    .guide-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 1.25rem;
      margin: 1.5rem 0 2.5rem;
    }
    .guide-card {
      background: var(--surface, #ffffff);
      border: 1px solid var(--border, #e2e8f0);
      border-radius: 0.85rem;
      padding: 1.4rem;
      box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    }
    .guide-card strong {
      display: block;
      color: #4f39f6;
      font-size: 1.1rem;
      margin-bottom: 0.4rem;
    }
    .guide-card p {
      color: var(--text-muted, #64748b);
      font-size: 0.92rem;
      line-height: 1.6;
      margin: 0;
    }