/* ===== 底部：联系我们模块统一样式 ===== */

.page-index-last-screen {
  --footer-primary: #e53e3e;
  --footer-secondary: #e53e3e;
  --footer-dark: #0a0e27;
  --footer-darker: #050816;
  --footer-text-primary: #e53e3e;
  --footer-text-secondary: #cbd5e1;
  --footer-text-on-light: #ffffff;
  --footer-text-muted-on-light: rgba(255, 255, 255, 0.72);
  --footer-gradient-primary: linear-gradient(135deg, #e53e3e 0%, #e53e3e 100%);

  color: var(--footer-text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.page-index-last-screen *,
.page-index-last-screen *::before,
.page-index-last-screen *::after {
  box-sizing: border-box;
}

.page-index-last-screen a {
  color: inherit;
  text-decoration: none;
}

.page-index-last-screen img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-index-last-screen .container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-index-last-screen .section {
  padding: 100px 0;
  position: relative;
}

.page-index-last-screen .section-dark {
  background: var(--footer-dark);
  color: var(--footer-text-primary);
}

.page-index-last-screen .section-head {
  text-align: center;
  margin-bottom: 64px;
}

.page-index-last-screen .section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 24px;
  letter-spacing: -1px;
}

.page-index-last-screen .section-sub {
  font-size: 18px;
  color: var(--footer-text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 共建低空安全新生态：大图背景 + 居中文案 */
.page-index-last-screen .ecosystem {
  min-height: 68vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(5, 8, 22, 0.72), rgba(10, 79, 255, 0.22)),
    url("../image/lunbo_4.jpg") center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 96px 24px;
}

.page-index-last-screen .ecosystem::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 15%, rgba(0, 212, 255, 0.22), transparent 30%),
    radial-gradient(circle at 20% 80%, rgba(10, 79, 255, 0.25), transparent 34%);
  pointer-events: none;
}

.page-index-last-screen .ecosystem-content {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
}

.page-index-last-screen .ecosystem-title {
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 22px;
  line-height: 1.15;
  color: #fff;
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.page-index-last-screen .ecosystem-desc {
  max-width: 820px;
  margin: 0 auto;
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.88);
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
}

.page-index-last-screen .back-to-top {
  position: absolute;
  right: 38px;
  bottom: 34px;
  width: 56px;
  height: 56px;
  padding: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  z-index: 2;
}

.page-index-last-screen .back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  background: #fff;
}

/* 联系我们，获取专属方案：白底 + 双电话按钮 */
.page-index-last-screen .contact-bgc {
  position: relative;
  overflow: hidden;
  background: rgba(5, 8, 22, 1);
  color: var(--footer-text-on-light);
  padding: 48px 0 42px;
  border-top: 1px solid rgba(15, 23, 42, 0.0);
}

.page-index-last-screen .contact-bgc::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 79, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 79, 255, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 78%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 78%, transparent);
  pointer-events: none;
}

.page-index-last-screen .contact-bgc .container {
  position: relative;
  z-index: 1;
}

.page-index-last-screen .contact-bgc .section-head {
  margin-bottom: 0;
}

.page-index-last-screen .contact-bgc .section-head p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.9;
}


.page-index-last-screen .contact-bgc .section-title {
  color: var(--footer-text-on-light);
  font-size: clamp(30px, 4.5vw, 34px);
  margin-bottom: 18px;
}

.page-index-last-screen .contact-bgc .section-sub {
  color: var(--footer-text-muted-on-light);
  font-size: 17px;
  max-width: 760px;
}

.page-index-last-screen .footer-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.page-index-last-screen .footer-cta-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  padding: 15px 30px;
  border-radius: 999px;
  background: var(--footer-gradient-primary);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.3px;
  box-shadow: none;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-index-last-screen .footer-cta-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(229, 62, 62, 0.28) 45%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}

.page-index-last-screen .footer-cta-btn:hover {
  color: #fff;
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: none;
  /* removed */
}

.page-index-last-screen .footer-cta-btn:hover::before {
  transform: translateX(120%);
}

/* ===== 底部：三列联系我们模块 ===== */
.page-index-last-screen .footer-info {
  padding: 64px 0 56px;
  background: var(--footer-dark);
}

.page-index-last-screen .footer-info__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 64px;
}

.page-index-last-screen .footer-info__col {
  flex: 0 1 auto;
  min-width: 200px;
}

.page-index-last-screen .footer-info__title {
  font-size: 18px;
  font-weight: 400;
  color: #ffffff;
  margin: 0 0 20px;
}

.page-index-last-screen .footer-qr {
  width: 110px;
  height: 110px;
  overflow: hidden;
}

.page-index-last-screen .footer-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.page-index-last-screen .footer-info__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-index-last-screen .footer-info__list li {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 10px;
}

.page-index-last-screen .footer-info__links a {
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s;
}

.page-index-last-screen .footer-info__links a:hover {
  color: #ffffff;
}

@media (max-width: 767px) {
  .page-index-last-screen .footer-info {
    padding: 44px 0 36px;
  }

  .page-index-last-screen .footer-info__grid {
    flex-direction: column;
    gap: 32px;
  }

  .page-index-last-screen .footer-info__col {
    min-width: 0;
  }
}

/* 页脚版权 */
.page-index-last-screen .site-footer {
  background: rgba(5, 8, 22, 1);
  color: rgba(255, 255, 255, 0.72);
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.page-index-last-screen .footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 24px;
}

.page-index-last-screen .footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.8;
}

/* 响应式适配 */
@media (max-width: 991px) {
  .page-index-last-screen .ecosystem {
    min-height: 56vh;
    padding: 78px 20px;
  }

  .page-index-last-screen .ecosystem-title {
    font-size: clamp(30px, 7vw, 46px);
  }

  .page-index-last-screen .ecosystem-desc {
    font-size: 16px;
  }

  .page-index-last-screen .contact-bgc {
    padding: 74px 0 68px;
  }

  .page-index-last-screen .contact-bgc .section-title {
    font-size: clamp(28px, 6vw, 40px);
  }

  .page-index-last-screen .footer-cta-buttons {
    gap: 14px;
  }

  .page-index-last-screen .footer-cta-btn {
    min-width: 190px;
    padding: 14px 24px;
    font-size: 16px;
  }
}

@media (max-width: 575px) {
  .page-index-last-screen .container {
    padding: 0 18px;
  }

  .page-index-last-screen .section-head {
    margin-bottom: 36px;
  }

  .page-index-last-screen .ecosystem {
    min-height: 48vh;
    padding: 64px 16px;
  }

  .page-index-last-screen .ecosystem-title {
    font-size: 30px;
    letter-spacing: 0;
  }

  .page-index-last-screen .ecosystem-desc {
    font-size: 15px;
    line-height: 1.8;
  }

  .page-index-last-screen .back-to-top {
    right: 18px;
    bottom: 18px;
    width: 46px;
    height: 46px;
    padding: 10px;
  }

  .page-index-last-screen .contact-bgc {
    padding: 60px 0 56px;
  }

  .page-index-last-screen .contact-bgc .section-title {
    font-size: 28px;
  }

  .page-index-last-screen .contact-bgc .section-sub {
    font-size: 15px;
  }

  .page-index-last-screen .footer-cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .page-index-last-screen .footer-cta-btn {
    width: 100%;
    min-width: 0;
    padding: 14px 20px;
    font-size: 15px;
  }

  .page-index-last-screen .site-footer {
    padding: 12px 0;
  }

  .page-index-last-screen .footer-bottom p {
    font-size: 13px;
  }
}