/* ==========================================
   蔚蓝 Banner 轮播图样式
   ========================================== */

.weilan-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 960;
  overflow: hidden;
}

.weilan-banner-container {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.weilan-banner .swiper {
  width: 100%;
  height: 100%;
}

.weilan-banner .swiper-slide {
  position: relative;
  width: 100%;
  height: -webkit-fill-available;
  overflow: hidden;
}

/* 回退方案：为不支持 mask-image 的浏览器添加渐变遮罩层 */
@supports not (mask-image: linear-gradient(to bottom, black, transparent)) {
  .weilan-banner .swiper-slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
      to bottom,
      transparent 0%,
      transparent 60%,
      rgba(0, 0, 0, 0.8) 100%
    );
    pointer-events: none;
    z-index: 1;
  }
}

.weilan-banner .banner-bg-wrapper {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.weilan-banner .banner-bg-wrapper .banner-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  z-index: 0;
  /* WebKit 浏览器兼容性 (Safari, Chrome 旧版本) */
  -webkit-mask-image: linear-gradient(
    to bottom,
    var(--color-primary) 60%,
    transparent 100%
  );
  -webkit-mask-size: 100% 100%;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  /* 标准属性 (现代浏览器) */
  mask-image: linear-gradient(
    to bottom,
    var(--color-primary) 60%,
    transparent 100%
  );
  mask-size: 100% 100%;
  mask-position: center;
  mask-repeat: no-repeat;
}

.weilan-banner .banner-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  z-index: 0;
  /* WebKit 浏览器兼容性 (Safari, Chrome 旧版本) */
  -webkit-mask-image: linear-gradient(
    to bottom,
    var(--color-primary) 60%,
    transparent 100%
  );
  -webkit-mask-size: 100% 100%;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  /* 标准属性 (现代浏览器) */
  mask-image: linear-gradient(
    to bottom,
    var(--color-primary) 60%,
    transparent 100%
  );
  mask-size: 100% 100%;
  mask-position: center;
  mask-repeat: no-repeat;
}

/* ==========================================
   Banner 内容区域
   ========================================== */

.weilan-banner .banner-content {
  position: relative;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  text-align: center;
  color: var(--text-color-light);
  transform: translateY(-50%);
  padding: var(--spacing-9xl) 0;
}

.container-background {
  padding: var(--spacing-xl) 10%;
  background: linear-gradient(
    90deg,
    rgba(17, 60, 153, 0) 0%,
    rgba(11, 98, 193, 1) 43.84%,
    rgba(17, 60, 153, 0) 88.09%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.weilan-banner .banner-title {
  color: var(--text-color-light);
  text-shadow: 3px 3px 0px rgba(12, 24, 65, 0.6);
  animation: fadeInUp 0.8s ease;
  font-weight: 600;
  line-height: 116%;
}

.border-line {
  width: 60%;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    var(--text-color-light) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  margin: var(--spacing-sm);
}

.weilan-banner .banner-description {
  font-size: var(--font-size-xl);
  line-height: 1.4;
  color: var(--text-color-light);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.weilan-banner .btn-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-top: 2rem;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.weilan-banner .banner-content-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-lg);
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  color: var(--text-color-light);
  text-decoration: none;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 联系按钮样式 - 主按钮 */
.weilan-banner .banner-content-btn.contact-btn {
  border-radius: 6px;
  background: var(--primary-gradient-270);
}

.weilan-banner .banner-content-btn.contact-btn:hover {
}

/* 定制按钮样式 - 次要按钮 */
.weilan-banner .banner-content-btn.custom-btn {
  border-radius: 6px;
  background: var(--primary-gradient-270);
}

.weilan-banner .banner-content-btn.custom-btn:hover {
}

.weilan-banner .banner-content-btn .iconfont {
  font-size: 0.875rem;
  transition: transform 0.3s ease;
}

.weilan-banner .banner-content-btn:hover .iconfont {
  transform: translateX(4px);
}

/* ==========================================
   切换按钮导航
   ========================================== */

.weilan-banner .swiper-navigation-buttons {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  pointer-events: none;
  z-index: 99;
}

/* ==========================================
   动画效果
   ========================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   响应式设计
   ========================================== */

@media screen and (max-width: 1024px) {
  .weilan-banner .swiper-navigation-buttons {
    display: none;
  }
}

@media screen and (max-width: 992px) {
  .weilan-banner {
    aspect-ratio: auto;
  }
  .weilan-banner .banner-content {
    /* transform: none; */
  }
}

@media screen and (max-width: 767px) {
  .container-background {
    padding-left: 0px;
    padding-right: 0px;
  }
}

@media screen and (max-width: 576px) {
}