/* 作用域隔离 */
    #what-we-do-section,
    #what-we-do-section * {
      box-sizing: border-box;
    }

    /* 整体大标题与卡片内标题换成优雅的高级衬线字体 */
    #what-we-do-section h2.serif-heading,
    #what-we-do-section h3.serif-card-title {
      font-family: 'Playfair Display', Georgia, serif !important;
    }

    #what-we-do-section p, 
    #what-we-do-section span, 
    #what-we-do-section li {
      font-family: 'Plus Jakarta Sans', sans-serif !important;
    }

    /* 内部白底面板 */
    .contrast-panel-white {
      background-color: #ffffff !important;
      border: 1px solid #ECE5DE !important;
      box-shadow: 0 4px 20px -2px rgba(80, 65, 45, 0.03);
    }