/* 商务合作 */
.cooperation-hero {
  position: relative;
  /* 与招采页 .procurement-hero 一致的 banner 高度 */
  min-height: clamp(270px, 24vw, 370px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cooperation-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
}

.cooperation-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(0deg, rgba(30, 47, 73, 0) 0%, rgba(0, 70, 184, 1) 100%);
  pointer-events: none;
}

.cooperation-hero__content {
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: var(--spacing-lg) 0;
}

.cooperation-hero__title {
  margin: 0;
  font-size: 48px;
  line-height: 72px;
  font-weight: 600;
}

.cooperation-hero__title-desc {
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 20px;
  line-height: 30px;
  color: rgba(255, 255, 255, 0.92);
}

.cooperation-advantages {
  padding: 64px 0 80px;
}

.cooperation-advantages .section-title,
.cooperation-method .section-title,
.cooperation-contact .section-title {
  margin: 0 0 32px;
  text-align: center;
}

.cooperation-advantages .section-title,
.cooperation-method .section-title {
  font-size: 40px;
  line-height: 60px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.advantage-card {
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #fff 65%),
    linear-gradient(180deg, #9ec3fa 0%, rgba(204, 224, 255, 0) 100%);
  text-align: center;
  padding: 16px 0 16px;
  overflow: hidden;
}

.advantage-card__icon {
  width: 80px;
  height: 80px;
  object-fit: cover;
  margin: 0 auto;
}

.advantage-card__title {
  margin: 20px 0;
  font-size: 18px;
  line-height: 26px;
  font-weight: 600;
  color: #0052d6;
}

.advantage-card__text {
  margin: 0;
  padding: 0 24px;
  font-size: 16px;
  line-height: 24px;
  color: #535d6d;
  text-align: left;
}

.cooperation-method {
  position: relative;
  padding: 40px 0 48px;
  background: linear-gradient(180deg, #041939 0%, #041939 58%, #ffffff 58%, #ffffff 100%);
  overflow: hidden;
}

.cooperation-method::before,
.cooperation-method::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 12px solid rgba(255, 255, 255, 0.72);
  filter: blur(116px);
}

.cooperation-method::before {
  width: 199px;
  height: 238px;
  top: -86px;
  left: 72px;
  opacity: 0.5;
}

.cooperation-method::after {
  width: 275px;
  height: 275px;
  right: -56px;
  top: 72px;
}

.cooperation-method__inner {
  position: relative;
  z-index: 1;
}

.cooperation-method .section-title {
  color: #fff;
  margin-bottom: 28px;
  font-size: 40px;
  line-height: 60px;
}

.method-wrapper {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.method-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  min-height: 292px;
  padding: 42px 48px 36px;
  background: #fff;
}

.method-card__bg {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 0;
  width: calc(100% + 48px);
  height: calc(100% + 58px);
  transform: translate(-50%, -50%);
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
  opacity: 0;
}

.method-card--active {
  background-color: #0a4fd5;
}

.method-card--active .method-card__bg {
  opacity: 1;
}

.method-card__icon,
.method-card__title,
.method-card__text {
  position: relative;
  z-index: 1;
}

.method-card__icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  margin: 0 auto 18px;
}

.method-card__title {
  margin: 0 0 14px;
  font-size: 36px;
  line-height: 1;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.92);
}

.method-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: #535d6d;
}

.method-card--active .method-card__title {
  color: #fff;
}

.method-card--active .method-card__text {
  color: rgba(255, 255, 255, 0.78);
}

.cooperation-contact {
  position: relative;
  padding: 64px 0 80px;
  background: linear-gradient(135deg, #155dd1 0%, #1e90ff 100%);
  overflow: hidden;
}

.cooperation-contact__inner {
  position: relative;
  z-index: 1;
}

.cooperation-contact__title {
  margin-bottom: 12px;
  color: #fff;
  font-size: 36px;
  line-height: 54px;
}

.cooperation-contact__desc {
  margin: 0 auto 48px;
  max-width: 944px;
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
  font-size: 20px;
  line-height: 30px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.contact-card {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  text-align: center;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.contact-card__icon {
  font-size: 28px;
  line-height: 32px;
}

.contact-card__label {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
}

.contact-card__phone,
.contact-card__address {
  margin: 0;
  font-family: "D-DIN", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 22px;
  font-weight: 700;
}

.contact-card__qr {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 4px;
  margin-top: 8px;
}


@media (max-width: 1024px) {
  .cooperation-hero {
    min-height: clamp(180px, 30vw, 280px);
  }

  .cooperation-hero__title {
    font-size: 42px;
    line-height: 62px;
  }

  .cooperation-hero__title-desc {
    font-size: 18px;
    line-height: 28px;
  }

  .cooperation-advantages,
  .cooperation-method,
  .cooperation-contact {
    padding: 56px 0 64px;
  }

  .cooperation-method {
    background: linear-gradient(180deg, #041939 0%, #041939 52%, #ffffff 52%, #ffffff 100%);
  }

  .method-card {
    padding: 32px 28px;
  }

  .method-card__title {
    font-size: 30px;
  }

  .advantages-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .cooperation-hero {
    min-height: clamp(150px, 38vw, 240px);
  }

  .cooperation-hero__title {
    font-size: 32px;
    line-height: 46px;
  }

  .cooperation-hero__title-desc {
    font-size: 16px;
    line-height: 24px;
    gap: 12px;
  }

  .cooperation-advantages .section-title,
  .cooperation-method .section-title {
    font-size: 30px;
    line-height: 44px;
  }

  .cooperation-contact__title {
    font-size: 30px;
    line-height: 44px;
  }

  .cooperation-contact__desc {
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 32px;
  }

  .advantages-grid,
  .method-wrapper,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cooperation-method {
    padding: 36px 0 40px;
    background: linear-gradient(180deg, #041939 0%, #041939 46%, #ffffff 46%, #ffffff 100%);
  }

  .method-card {
    min-height: 0;
    padding: 24px 20px;
  }

  .method-card__icon {
    margin-bottom: 14px;
  }

  .method-card__title {
    font-size: 24px;
    margin-bottom: 10px;
  }

  .method-card__text {
    font-size: 13px;
    line-height: 20px;
  }

  .advantage-card__text {
    padding: 0 16px;
  }
}