/* 专属 CSS：防平台默认中文乱码、等比例缩小小三角，保持精致感 */
  .sx-desc details summary::-webkit-details-marker { 
    font-size: 11px; 
    transform: scale(0.85);
  }
  .sx-desc details summary { 
    list-style-type: disclosure-closed; 
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    outline: none;
    cursor: pointer;
    user-select: none;
    line-height: 1.4;
  }
  .sx-desc details[open] summary { 
    list-style-type: disclosure-open; 
  }