.bcm2-sec {
      all: revert-layer;
      box-sizing: border-box;
      display: block;
      width: 100%;
      margin: 0;
      padding: 72px 24px;
      background-color: #f5f9fc;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: #1f2d3d;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    .bcm2-sec *,
    .bcm2-sec *::before,
    .bcm2-sec *::after { box-sizing: border-box; margin: 0; padding: 0; }

    .bcm2-sec__inner {
      max-width: 1080px;
      margin: 0 auto;
      width: 100%;
    }

    /* 小眉题 */
    .bcm2-sec__eyebrow {
      display: block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: #c0392b;
      margin-bottom: 16px;
    }

    /* 大标题（衬线体） */
    .bcm2-sec__title {
      font-family: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
      font-weight: 700;
      font-size: 44px;
      line-height: 1.18;
      color: #10263f;
      letter-spacing: -0.01em;
      max-width: 620px;
      margin-bottom: 22px;
    }

    /* 正文 */
    .bcm2-sec__text {
      font-size: 16px;
      color: #4a5a6a;
      max-width: 620px;
      margin-bottom: 44px;
    }

    /* 三张卡片 */
    .bcm2-sec__cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 36px;
    }
    .bcm2-sec__card {
      background: #ffffff;
      border: 1px solid #e3e9ef;
      border-radius: 8px;
      padding: 28px 24px;
    }
    .bcm2-sec__card-title {
      font-size: 18px;
      font-weight: 700;
      color: #10263f;
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .bcm2-sec__card-text {
      font-size: 15px;
      color: #4a5a6a;
    }

    /* 底部提示框 */
    .bcm2-sec__note {
      background: #fdf3e7;
      border-left: 4px solid #c0392b;
      border-radius: 4px;
      padding: 20px 24px;
      font-size: 15px;
      color: #4a5a6a;
    }
    .bcm2-sec__note strong {
      color: #1f2d3d;
      font-weight: 700;
    }

    /* ===== 平板端 ===== */
    @media (max-width: 991px) {
      .bcm2-sec { padding: 56px 20px; }
      .bcm2-sec__title { font-size: 36px; }
      .bcm2-sec__cards { grid-template-columns: 1fr; gap: 18px; }
    }

    /* ===== 手机端 ===== */
    @media (max-width: 600px) {
      .bcm2-sec { padding: 44px 18px; }
      .bcm2-sec__eyebrow { font-size: 11px; margin-bottom: 12px; }
      .bcm2-sec__title { font-size: 28px; margin-bottom: 16px; }
      .bcm2-sec__text { font-size: 15px; margin-bottom: 32px; }
      .bcm2-sec__card { padding: 22px 18px; }
      .bcm2-sec__note { padding: 16px 18px; font-size: 14px; }
    }