* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ========== 强化版星空背景 ========== */
.tech-highlights-section {
  width: 100%;
  min-height: 100vh;
  background: #0a0e17; /* 更深底色，星星对比更强烈 */
  position: relative;
  padding: 80px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.app-stars-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background-image: 
    radial-gradient(3px 3px at 20px 30px #ffffff, transparent 0),
    radial-gradient(3px 3px at 60px 70px #ffffff, transparent 0),
    radial-gradient(2px 2px at 50px 50px #ffffff, transparent 0),
    radial-gradient(2px 2px at 130px 80px #ffffff, transparent 0),
    radial-gradient(3px 3px at 90px 10px #ffffff, transparent 0),
    radial-gradient(2px 2px at 160px 120px #ffffff, transparent 0),
    radial-gradient(3px 3px at 200px 50px #ffffff, transparent 0),
    radial-gradient(1px 1px at 10px 10px #ffffff, transparent 0),
    radial-gradient(1px 1px at 150px 150px #ffffff, transparent 0),
    radial-gradient(1px 1px at 250px 80px #ffffff, transparent 0),
    radial-gradient(1px 1px at 300px 200px #ffffff, transparent 0),
    radial-gradient(1px 1px at 350px 100px #ffffff, transparent 0),
    radial-gradient(1px 1px at 400px 300px #ffffff, transparent 0);
  background-size: 150px 150px;
  opacity: 0.8;
  animation: starTwinkle 3s infinite alternate;
}

@keyframes starTwinkle {
  0% { opacity: 0.6; }
  100% { opacity: 0.9; }
}

.section-container {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.tech .section-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 40px 60px;
    transition: all 0.3s ease;
}
.tech.section.bg-section {
    background-image: url('/skin/images/xkbg.jpg');
    background-color: rgb(15 23 48);
    background-blend-mode: overlay; 
    position: relative;
    z-index: 1;
}
.tech.section.bg-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}
/* ========== 左侧样式（完全复刻你截图） ========== */
.features-left {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 18px;
  color: #94a3b8;
  margin-top: 8px;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-item {
  background: #1e293b;
  padding: 24px 30px;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-item.active,
.feature-item:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  transform: translateX(4px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
  border-color: transparent;
}

.check-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #8a2be2;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
}

.check-icon::after {
  content: "✓";
  color: #ffffff;
  font-size: 14px;
  font-weight: bold;
}

.feature-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.feature-content p {
  font-size: 16px;
  color: #cbd5e1;
  line-height: 1.5;
}

.cta-button {
  width: fit-content;
  padding: 16px 32px;
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
  border: none;
  border-radius: 30px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
}

/* ========== 右侧手机展示区 ========== */
.features-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-mockup {

}

#phone-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 32px;
  transition: opacity 0.3s ease;
}

@media (max-width: 992px) {
  .section-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-right {
    order: -1;
  }
  .tech .section-container{
	grid-template-columns: unset;
	padding:0;
	gap:20px;
  }
  .cta-button{
	  margin: 0 auto;
  }
}


.banner {
  position: relative;  
  overflow: hidden; 
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(/skin/images/banner.jpg) center/cover no-repeat;
  background-color: rgba(0, 0, 0, 0.8);
  background-blend-mode: multiply;
  z-index: 0; 
  pointer-events: none; 
}