.detail-hero {
      padding: 6rem 0 4rem;
      position: relative;
      overflow: hidden;
    }
    .detail-hero-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
      opacity: 0.06;
      background-size: 40px 40px;
      background-image:
        linear-gradient(to right, #4F46E5 1px, transparent 1px),
        linear-gradient(to bottom, #4F46E5 1px, transparent 1px);
    }
    .detail-hero-glow {
      position: absolute;
      top: -80px; right: -80px;
      width: 500px; height: 500px;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.25;
      background: radial-gradient(circle, var(--report-color, #4F46E5), transparent);
      z-index: 0;
    }
    .detail-hero-content { position: relative; z-index: 1; }

    .detail-layout {
      display: grid;
      grid-template-columns: 240px 1fr 220px;
      gap: 2.5rem;
      align-items: start;
    }
    @media (max-width: 1100px) {
      .detail-layout { grid-template-columns: 1fr; }
      .detail-toc { display: none; }
    }
    @media (max-width: 768px) {
      .detail-sidebar-left { display: none; }
    }

    /* 左侧信息面板 */
    .info-panel {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: sticky;
      top: 88px;
    }
    .info-panel-header {
      padding: 1.25rem;
      background: linear-gradient(135deg, var(--report-color, #4F46E5), var(--report-color-2, #7C3AED));
      color: white;
      text-align: center;
    }
    .info-panel-icon { font-size: 3rem; margin-bottom: 0.75rem; }
    .info-panel-list { padding: 0; list-style: none; }
    .info-panel-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 1.25rem;
      border-bottom: 1px solid var(--border);
      font-size: 0.875rem;
    }
    .info-panel-item:last-child { border-bottom: none; }
    .info-panel-label { color: var(--text-muted); }
    .info-panel-value { font-weight: 600; color: var(--text-title); text-align: right; max-width: 120px; }

    /* 主内容区 */
    .detail-main { min-width: 0; }
    .detail-section {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 2rem;
      margin-bottom: 1.5rem;
    }
    .detail-section-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 1.25rem;
      padding-bottom: 0.875rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 0.625rem;
    }
    .ds-icon {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(79,70,229,0.12), rgba(124,58,237,0.08));
      border-radius: var(--radius-md);
      font-size: 1rem;
    }
    .summary-text {
      font-size: 1.0625rem;
      line-height: 1.9;
      color: var(--text-body);
    }

    /* 封面 */
    .report-cover {
      height: 280px;
      border-radius: var(--radius-xl);
      position: relative;
      overflow: hidden;
      margin-bottom: 2rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .cover-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
      background-size: 40px 40px;
    }
    .cover-content {
      position: relative;
      z-index: 1;
      text-align: center;
      color: white;
      padding: 2rem;
    }
    .cover-icon { font-size: 4rem; margin-bottom: 1rem; }
    .cover-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; }
    .cover-sub { font-size: 1rem; opacity: 0.9; }

    /* 核心亮点 */
    .highlight-item {
      display: flex;
      align-items: flex-start;
      gap: 0.875rem;
      padding: 1rem 1.25rem;
      background: linear-gradient(135deg, rgba(79,70,229,0.04), rgba(124,58,237,0.02));
      border-radius: var(--radius-md);
      border-left: 3px solid var(--report-color, #4F46E5);
    }
    .hi-icon {
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--report-color, #4F46E5), #7C3AED);
      color: white;
      border-radius: 50%;
      font-size: 0.875rem;
      flex-shrink: 0;
    }

    /* 章节目录 */
    .chapter-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      padding: 1rem;
      background: var(--bg-subtle);
      border-radius: var(--radius-md);
      transition: all 0.2s ease;
    }
    .chapter-item:hover {
      background: rgba(79,70,229,0.06);
      transform: translateX(4px);
    }
    .chapter-num {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--report-color, #4F46E5), #7C3AED);
      color: white;
      border-radius: var(--radius-md);
      font-size: 0.875rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    /* 分享栏 */
    .share-bar {
      display: flex;
      gap: 0.75rem;
      flex-wrap: wrap;
    }
    .share-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.625rem 1.25rem;
      background: var(--bg-subtle);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      color: var(--text-body);
      font-size: 0.9375rem;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .share-btn:hover {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
    }

    /* 右侧目录 */
    .detail-toc {
      position: sticky;
      top: 88px;
    }
    .toc-nav {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 1.25rem;
    }
    .toc-title {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }
    .toc-item {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      padding: 0.5rem 0.625rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-size: 0.875rem;
      color: var(--text-body);
      transition: all 0.15s ease;
    }

    .toc-num {
      width: 24px;
      font-size: 0.75rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 加载状态 */
    .loading-container {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 400px;
    }
    .loading-spinner {
      width: 48px;
      height: 48px;
      border: 3px solid var(--border);
      border-top-color: var(--primary);
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }

    /* 错误状态 */
    .error-container {
      text-align: center;
      padding: 4rem 2rem;
    }
    .error-icon {
      font-size: 4rem;
      margin-bottom: 1rem;
    }