/* ========== 核心：全屏背景，消除左右留白 ========== */
  .tv-who-section {
    position: relative !important;
    width: 100vw !important;
    left: 50% !important;
    margin-left: -50vw !important;
    margin-right: -50vw !important;
    padding: 40px 0 !important;
    background-color: #fbf9f8 !important;
    box-sizing: border-box !important;
    font-family: 'Inter', sans-serif !important;
    overflow: hidden !important;
  }

  .tv-who-inner {
    max-width: 1280px !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
    box-sizing: border-box !important;
  }

  /* ========== PC端完全保留原版样式 ========== */
  .tv-who-header {
    text-align: center;
    margin-bottom: 64px;
  }

  .tv-who-header h2 {
    font-family: 'Manrope', 'Inter', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    color: #1b1c1c;
    letter-spacing: -0.02em;
    margin: 0 0 16px 0;
  }

  .tv-who-divider {
    width: 80px;
    height: 6px;
    background-color: #0057bf;
    border-radius: 999px;
    margin: 0 auto;
  }

  .tv-who-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
  }

  @media (min-width: 768px) {
    .tv-who-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .tv-who-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(193, 198, 215, 0.12);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    display: flex;
    flex-direction: column;
  }

  .tv-who-card:hover {
    box-shadow: 0 16px 48px rgba(0,0,0,0.1);
    transform: translateY(-4px);
  }

  .tv-who-icon {
    font-family: 'Material Symbols Outlined';
    font-size: 40px;
    color: #0057bf;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    line-height: 1;
    margin-bottom: 24px;
    display: block;
  }

  .tv-who-card h3 {
    font-family: 'Manrope', 'Inter', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: #1b1c1c;
    margin: 0 0 16px 0;
  }

  .tv-who-card p {
    font-size: 0.95rem;
    color: #414754;
    line-height: 1.7;
    margin: 0;
  }

  /* ========== 手机端专属优化：3个一行 + 文字清晰不拥挤 ========== */
  @media (max-width: 767px) {
    .tv-who-section {
      padding: 20px 0 !important;
    }

    .tv-who-inner {
      padding: 0 8px !important;
    }

    .tv-who-header {
      margin-bottom: 32px !important;
    }

    .tv-who-header h2 {
      font-size: clamp(1.2rem, 4vw, 1.6rem) !important;
      margin-bottom: 12px !important;
    }

    .tv-who-divider {
      width: 60px !important;
      height: 4px !important;
    }

    /* 核心：手机端强制3个一行 */
    .tv-who-grid {
      grid-template-columns: repeat(3, 1fr) !important;
      gap: 8px !important;
    }

    /* 卡片瘦身：减小内边距，适应小屏幕 */
    .tv-who-card {
      padding: 16px 12px !important;
      border-radius: 8px !important;
    }

    /* 图标缩小 */
    .tv-who-icon {
      font-size: 28px !important;
      margin-bottom: 12px !important;
    }

    /* 标题自适应缩小，保持清晰 */
    .tv-who-card h3 {
      font-size: clamp(0.75rem, 2vw, 0.9rem) !important;
      margin-bottom: 8px !important;
      line-height: 1.2 !important;
    }

    /* 正文自适应缩小，行高优化，不拥挤 */
    .tv-who-card p {
      font-size: clamp(0.65rem, 1.6vw, 0.8rem) !important;
      line-height: 1.4 !important;
    }
  }