.eg-bonding {
    --blue: #0a2f6b;
    --blue-2: #125293;
    --cyan: #0b8996;
    --text: #26364a;
    --muted: #657589;
    --border: #dce5ef;
    --light: #f5f8fc;
    --white: #ffffff;
    --yellow-light: #fff4b8;
    --yellow-border: #e2c84c;

    max-width: 1180px;
    margin: 0 auto;
    padding: 68px 24px;
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    box-sizing: border-box;
  }

  .eg-bonding *,
  .eg-bonding *::before,
  .eg-bonding *::after {
    box-sizing: border-box;
  }

  .eg-bonding h2,
  .eg-bonding h3,
  .eg-bonding h4,
  .eg-bonding p {
    margin-top: 0;
  }

  /* 页面标题 */
  .eg-bonding__header {
    max-width: 860px;
    margin: 0 auto 48px;
    text-align: center;
  }

  .eg-bonding__eyebrow {
    margin-bottom: 10px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
  }

  .eg-bonding__header h2 {
    margin-bottom: 16px;
    color: var(--blue);
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.2;
  }

  .eg-bonding__intro {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 17px;
  }

  /* 产品结构区 */
  .eg-product-structure {
    margin-bottom: 62px;
    padding: 42px 32px;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 16px;
  }

  .eg-product-structure__header {
    max-width: 790px;
    margin: 0 auto 32px;
    text-align: center;
  }

  .eg-product-structure__header h3 {
    margin-bottom: 10px;
    color: var(--blue);
    font-size: 28px;
    line-height: 1.3;
  }

  .eg-product-structure__header p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 15px;
  }

  .eg-product-structure__grid {
    display: grid;
    grid-template-columns: 1fr 70px 1fr;
    gap: 24px;
    align-items: center;
  }

  .eg-structure-card {
    overflow: hidden;
    background: var(--white);
    border: 1px solid #d7e2ed;
    border-radius: 14px;
    box-shadow: 0 9px 25px rgba(24, 51, 82, 0.08);
  }

  .eg-structure-card__header {
    padding: 22px 24px;
    text-align: center;
    background: var(--blue);
  }

  .eg-structure-card__tag {
    display: inline-block;
    margin-bottom: 8px;
    padding: 4px 11px;
    color: var(--blue);
    background: var(--white);
    border-radius: 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.6px;
  }

  .eg-structure-card__header h4 {
    margin-bottom: 5px;
    color: var(--white);
    font-size: 21px;
  }

  .eg-structure-card__header p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
  }

  .eg-structure-card__body {
    padding: 25px;
  }

  .eg-visual-stack {
    max-width: 390px;
    margin: 0 auto;
  }

  .eg-visual-layer {
    padding: 15px 18px;
    text-align: center;
    border: 2px solid transparent;
    border-radius: 8px;
  }

  .eg-visual-layer strong {
    display: block;
    margin-bottom: 2px;
    font-size: 15px;
  }

  .eg-visual-layer small {
    display: block;
    font-size: 12px;
    line-height: 1.4;
  }

  .eg-visual-layer--glass {
    color: #184d83;
    background: #dff1ff;
    border-color: #72acd8;
  }

  .eg-visual-layer--adhesive {
    color: #776012;
    background: var(--yellow-light);
    border-color: var(--yellow-border);
  }

  .eg-visual-layer--sensor {
    color: #086d78;
    background: #d7f3f1;
    border-color: #45aaa9;
  }

  .eg-visual-layer--lcd {
    color: var(--white);
    background: #303c50;
    border-color: #172235;
  }

  .eg-layer-arrow {
    position: relative;
    height: 30px;
  }

  .eg-layer-arrow::before {
    position: absolute;
    top: 5px;
    left: 50%;
    width: 2px;
    height: 13px;
    background: #8ca1b5;
    content: "";
  }

  .eg-layer-arrow::after {
    position: absolute;
    bottom: 5px;
    left: calc(50% - 4px);
    width: 8px;
    height: 8px;
    border-right: 2px solid #8ca1b5;
    border-bottom: 2px solid #8ca1b5;
    transform: rotate(45deg);
    content: "";
  }

  .eg-lcd-boundary {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 17px 0;
    color: #c23a31;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
  }

  .eg-lcd-boundary::before,
  .eg-lcd-boundary::after {
    flex: 1;
    height: 1px;
    background: #e4a6a2;
    content: "";
  }

  .eg-structure-conversion {
    text-align: center;
  }

  .eg-structure-conversion__arrow {
    display: block;
    color: var(--cyan);
    font-size: 42px;
    font-weight: 700;
    line-height: 1;
  }

  .eg-structure-conversion__text {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.4;
  }

  .eg-structure-result {
    margin-top: 22px;
    padding: 14px 16px;
    text-align: center;
    border-radius: 8px;
  }

  .eg-structure-result--touch {
    color: #075f69;
    background: #e0f5f4;
    border: 1px solid #8dcecb;
  }

  .eg-structure-result--display {
    color: var(--blue);
    background: #e7eff9;
    border: 1px solid #9bb9d7;
  }

  .eg-structure-result strong {
    display: block;
    margin-bottom: 2px;
    font-size: 14px;
  }

  .eg-structure-result span {
    display: block;
    font-size: 12px;
  }

  .eg-product-structure__note {
    margin: 28px 0 0;
    padding: 16px 19px;
    color: #596b7f;
    background: var(--white);
    border-left: 4px solid var(--cyan);
    border-radius: 7px;
    font-size: 13px;
  }

  /* 通用区块标题 */
  .eg-bonding__section-title {
    max-width: 760px;
    margin: 0 auto 30px;
    text-align: center;
  }

  .eg-bonding__section-title h3 {
    margin-bottom: 8px;
    color: var(--blue);
    font-size: 28px;
    line-height: 1.3;
  }

  .eg-bonding__section-title p {
    margin-bottom: 0;
    color: var(--muted);
  }

  /* 三种贴合方法 */
  .eg-method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 21px;
    margin-bottom: 62px;
  }

  .eg-method {
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 9px 25px rgba(25, 51, 82, 0.07);
  }

  .eg-method__header {
    min-height: 150px;
    padding: 26px;
    color: var(--white);
    background: linear-gradient(135deg, var(--blue), var(--blue-2));
  }

  .eg-method__code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 54px;
    height: 29px;
    margin-bottom: 13px;
    padding: 0 10px;
    color: var(--blue);
    background: var(--white);
    border-radius: 15px;
    font-size: 12px;
    font-weight: 700;
  }

  .eg-method__header h4 {
    margin-bottom: 6px;
    color: var(--white);
    font-size: 20px;
  }

  .eg-method__header p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.77);
    font-size: 13px;
  }

  .eg-method__body {
    padding: 25px;
  }

  .eg-method__steps {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: bonding-steps;
  }

  .eg-method__steps li {
    position: relative;
    min-height: 54px;
    padding: 0 0 17px 39px;
    color: var(--muted);
    font-size: 13px;
    counter-increment: bonding-steps;
  }

  .eg-method__steps li::before {
    position: absolute;
    top: 0;
    left: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 27px;
    height: 27px;
    color: var(--white);
    background: var(--cyan);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    content: counter(bonding-steps);
  }

  .eg-method__steps li:not(:last-child)::after {
    position: absolute;
    top: 27px;
    bottom: 0;
    left: 13px;
    width: 1px;
    background: #bbccdc;
    content: "";
  }

  .eg-method__steps strong {
    display: block;
    color: var(--text);
    font-size: 14px;
  }

  /* 选择参考 */
  .eg-selection {
    margin-bottom: 62px;
  }

  .eg-selection__table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 13px;
  }

  .eg-selection__table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
  }

  .eg-selection__table th,
  .eg-selection__table td {
    padding: 17px 19px;
    text-align: left;
    border-bottom: 1px solid var(--border);
  }

  .eg-selection__table th {
    color: var(--white);
    background: var(--blue);
    font-size: 14px;
  }

  .eg-selection__table td {
    color: var(--muted);
    font-size: 14px;
  }

  .eg-selection__table td:first-child {
    color: var(--blue);
    font-weight: 700;
  }

  .eg-selection__table tr:last-child td {
    border-bottom: 0;
  }

  /* 优势和工艺管控 */
  .eg-bonding__two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin-bottom: 38px;
  }

  .eg-bonding__panel {
    padding: 29px;
    background: var(--light);
    border-radius: 12px;
  }

  .eg-bonding__panel h3 {
    margin-bottom: 16px;
    color: var(--blue);
    font-size: 21px;
  }

  .eg-bonding__list {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .eg-bonding__list li {
    position: relative;
    margin-bottom: 10px;
    padding-left: 23px;
    color: var(--muted);
    font-size: 14px;
  }

  .eg-bonding__list li:last-child {
    margin-bottom: 0;
  }

  .eg-bonding__list li::before {
    position: absolute;
    top: 1px;
    left: 0;
    color: var(--cyan);
    font-weight: 700;
    content: "✓";
  }

  /* 工程说明 */
  .eg-bonding__notice {
    margin-bottom: 38px;
    padding: 22px 25px;
    color: #655938;
    background: #fff9ec;
    border: 1px solid #efd9a7;
    border-left: 5px solid #d49a26;
    border-radius: 9px;
    font-size: 13px;
  }

  .eg-bonding__notice strong {
    color: #775315;
  }

  /* CTA */
  .eg-bonding__cta {
    padding: 40px 28px;
    text-align: center;
    background: linear-gradient(135deg, var(--blue), var(--blue-2));
    border-radius: 16px;
  }

  .eg-bonding__cta h3 {
    margin-bottom: 10px;
    color: var(--white);
    font-size: 27px;
  }

  .eg-bonding__cta p {
    max-width: 760px;
    margin: 0 auto 22px;
    color: rgba(255, 255, 255, 0.82);
  }

  .eg-bonding__button {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 24px;
    color: var(--blue);
    background: var(--white);
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
  }

  @media (max-width: 900px) {
    .eg-product-structure__grid,
    .eg-method-grid {
      grid-template-columns: 1fr;
    }

    .eg-structure-conversion {
      padding: 2px 0;
    }

    .eg-structure-conversion__arrow {
      transform: rotate(90deg);
    }
  }

  @media (max-width: 680px) {
    .eg-bonding {
      padding: 48px 16px;
    }

    .eg-product-structure {
      padding: 32px 16px;
    }

    .eg-structure-card__body {
      padding: 20px 16px;
    }

    .eg-bonding__two-column {
      grid-template-columns: 1fr;
    }
  }