/*
  可根据网站品牌色修改以下变量
  */
  .as-engineering-cta {
    --as-cta-bg: #f4f7f9;
    --as-cta-panel: #ffffff;
    --as-cta-accent: #0799a5;
    --as-cta-accent-hover: #087f8a;
    --as-cta-text: #182334;
    --as-cta-muted: #5f6b78;
    --as-cta-dark: #182334;
    --as-cta-border: #dce5eb;

    position: relative;
    width: 100%;
    padding: 84px 24px;
    overflow: hidden;
    background:
      linear-gradient(
        120deg,
        rgba(248, 250, 251, 1) 0%,
        rgba(243, 247, 249, 1) 58%,
        rgba(237, 244, 246, 1) 100%
      );
    box-sizing: border-box;
  }

  .as-engineering-cta,
  .as-engineering-cta * {
    box-sizing: border-box;
  }

  /* 背景工程网格装饰 */
  .as-engineering-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.12;
    background-image:
      linear-gradient(
        rgba(32, 63, 103, 0.08) 1px,
        transparent 1px
      ),
      linear-gradient(
        90deg,
        rgba(32, 63, 103, 0.08) 1px,
        transparent 1px
      );
    background-size: 48px 48px;
  }

  .as-engineering-cta::after {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -230px;
    top: -260px;
    border: 1px solid rgba(32, 63, 103, 0.10);
    border-radius: 50%;
    pointer-events: none;
  }

  .as-cta-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
    gap: 64px;
    align-items: center;
  }

  .as-cta-main {
    min-width: 0;
  }

  .as-cta-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    margin-bottom: 20px;
    padding: 6px 12px;
    border: 1px solid rgba(7, 153, 165, 0.35);
    border-radius: 999px;
    color: #087f8a;
    background: rgba(7, 153, 165, 0.08);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .as-cta-title {
    max-width: 780px;
    margin: 0;
    color: var(--as-cta-text);
    font-size: clamp(34px, 4vw, 52px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.025em;
  }

  .as-cta-description {
    max-width: 760px;
    margin: 24px 0 0;
    color: var(--as-cta-muted);
    font-size: 17px;
    line-height: 1.75;
  }

  .as-cta-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-top: 30px;
  }

  .as-cta-trust-item {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #344456;
    font-size: 14px;
    line-height: 1.5;
  }

  .as-cta-check {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 21px;
    height: 21px;
    border-radius: 50%;
    color: #ffffff;
    background: var(--as-cta-accent);
    font-size: 13px;
    font-weight: 800;
  }

  .as-cta-actions {
    margin-top: 38px;
  }

  .as-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    min-height: 56px;
    padding: 15px 24px;
    border: 1px solid var(--as-cta-accent);
    border-radius: 4px;
    color: #ffffff !important;
    background: var(--as-cta-accent);
    box-shadow: 0 14px 28px rgba(7, 153, 165, 0.18);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none !important;
    transition:
      background-color 0.22s ease,
      border-color 0.22s ease,
      transform 0.22s ease,
      box-shadow 0.22s ease;
  }

  .as-cta-button:hover,
  .as-cta-button:focus-visible {
    color: #ffffff !important;
    background: var(--as-cta-accent-hover);
    border-color: var(--as-cta-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 18px 32px rgba(7, 153, 165, 0.24);
  }

  .as-cta-button:focus-visible {
    outline: 3px solid rgba(7, 153, 165, 0.24);
    outline-offset: 4px;
  }

  .as-cta-arrow {
    font-size: 21px;
    line-height: 1;
    transition: transform 0.22s ease;
  }

  .as-cta-button:hover .as-cta-arrow {
    transform: translateX(4px);
  }

  .as-cta-note {
    margin: 14px 0 0;
    color: #74808d;
    font-size: 13px;
    line-height: 1.55;
  }

  .as-cta-side {
    padding: 34px;
    border: 1px solid var(--as-cta-border);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 24px 60px rgba(26, 54, 84, 0.10);
    backdrop-filter: blur(8px);
  }

  .as-cta-side-block {
    padding-bottom: 26px;
    border-bottom: 1px solid #e7ebef;
  }

  .as-cta-side-label {
    margin-bottom: 10px;
    color: #087f8a;
    font-size: 11px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: 0.13em;
    text-transform: uppercase;
  }

  .as-cta-side-title {
    margin: 0;
    color: var(--as-cta-dark);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.35;
  }

  .as-cta-document-list {
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
  }

  .as-cta-document-list li {
    position: relative;
    margin-top: 11px;
    padding-left: 22px;
    color: #536274;
    font-size: 14px;
    line-height: 1.55;
  }

  .as-cta-document-list li::before {
    content: "";
    position: absolute;
    left: 1px;
    top: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--as-cta-accent);
  }

  .as-cta-process {
    display: grid;
    gap: 20px;
    padding-top: 26px;
  }

  .as-cta-process-item {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
  }

  .as-cta-process-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 4px;
    color: #087f8a;
    background: #eaf7f8;
    font-size: 12px;
    font-weight: 800;
  }

  .as-cta-process-item strong {
    display: block;
    margin-top: 1px;
    color: var(--as-cta-dark);
    font-size: 14px;
    line-height: 1.45;
  }

  .as-cta-process-item p {
    margin: 5px 0 0;
    color: #697789;
    font-size: 13px;
    line-height: 1.55;
  }

  @media (max-width: 960px) {
    .as-engineering-cta {
      padding: 68px 22px;
    }

    .as-cta-container {
      grid-template-columns: 1fr;
      gap: 42px;
    }

    .as-cta-side {
      max-width: 720px;
    }
  }

  @media (max-width: 640px) {
    .as-engineering-cta {
      padding: 54px 18px;
    }

    .as-cta-title {
      font-size: 31px;
      line-height: 1.18;
    }

    .as-cta-description {
      margin-top: 18px;
      font-size: 15px;
      line-height: 1.7;
    }

    .as-cta-trust {
      display: grid;
      gap: 12px;
      margin-top: 24px;
    }

    .as-cta-actions {
      margin-top: 30px;
    }

    .as-cta-button {
      width: 100%;
      justify-content: space-between;
      padding: 15px 18px;
      text-align: left;
    }

    .as-cta-side {
      padding: 25px 21px;
    }

    .as-cta-side-title {
      font-size: 20px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .as-cta-button,
    .as-cta-arrow {
      transition: none;
    }
  }