/* =========================================================
   聚淼成型科技 - Hero Banner 样式（v3.0 Final）
   含：动态光圈 + 中文域名展示 + 响应式优化
========================================================= */
.jumiao-hero-banner {
  width: 100%;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0048a8 0%, #0b6cff 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.jumiao-hero-banner .hero-inner {
  max-width: 1000px;
  padding: 40px 20px;
  z-index: 2;
  position: relative;
}

.jumiao-hero-banner h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}

.jumiao-hero-banner p {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.btn-hero {
  background: #fff;
  color: #0b6cff;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  display: inline-block;
  transition: all 0.3s ease;
}
.btn-hero:hover {
  background: #e8f0ff;
  transform: translateY(-2px);
}

/* ===== 动态光圈背景 ===== */
.jumiao-hero-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.15) 0%, transparent 70%);
  animation: heroPulse 8s ease-in-out infinite;
  z-index: 1;
}
@keyframes heroPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 1; }
}

/* ===== 中文域名展示条 ===== */
.hero-domain-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  text-align: center;
  color: #fff;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.5px;
  padding: 10px 0;
  backdrop-filter: blur(4px);
  z-index: 3;
}
.hero-domain-bar strong {
  color: #ffeb3b;
  font-weight: 600;
}

/* ===== 手机端优化 ===== */
@media (max-width: 768px) {
  .jumiao-hero-banner {
    height: auto;
    padding: 80px 20px;
    overflow-x: hidden;
  }
  .jumiao-hero-banner h1 {
    font-size: 30px;
  }
  .jumiao-hero-banner p {
    font-size: 16px;
    margin-bottom: 25px;
  }
  .btn-hero {
    padding: 12px 28px;
    font-size: 15px;
  }
  .hero-domain-bar {
    font-size: 14px;
    padding: 8px 0;
  }
}

/* 安全：防止全局样式干扰 */
.jumiao-hero-banner * {
  box-sizing: border-box;
  max-width: 100%;
}