/* 作用域隔离 */
    #why-linkstar-section,
    #why-linkstar-section * {
      box-sizing: border-box;
      font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    }

    /* 经典衬线标题 */
    #why-linkstar-section h2.serif-main-title,
    #why-linkstar-section h3.serif-card-title {
      font-family: 'Playfair Display', Georgia, serif !important;
      letter-spacing: -0.015em !important;
    }

    body, #why-linkstar-section {
      background-color: #17191E !important;
      color: #F8F3ED !important;
    }

    /* 修复大标题行高 */
    #why-linkstar-section h2.hero-title-spaced {
      line-height: 1.35 !important;
    }

    /* 对比表格行底线 */
    .comparison-row {
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: background-color 0.3s ease;
    }
    .comparison-row:hover {
      background-color: rgba(255, 255, 255, 0.02);
    }

    /* 按钮动态高光动效 */
    .btn-shine {
      position: relative;
      overflow: hidden;
    }
    .btn-shine::after {
      content: '';
      position: absolute;
      top: -50%;
      left: -60%;
      width: 25%;
      height: 200%;
      background: rgba(255, 255, 255, 0.35);
      transform: rotate(25deg);
      transition: all 0.75s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .btn-shine:hover::after {
      left: 140%;
    }