/* ============================================
   首页专属样式
   组件动画与交互效果
   ============================================ */

/* 噪点纹理叠加层 */
.noise::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: radial-gradient(rgba(255, 255, 255, 0.55) 0.45px, transparent 0.45px);
  background-size: 3px 3px;
  mix-blend-mode: soft-light;
}

/* 滚动显示动画 */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 子元素依次出现 */
.stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger > .reveal:nth-child(2) { transition-delay: 120ms; }
.stagger > .reveal:nth-child(3) { transition-delay: 240ms; }
.stagger > .reveal:nth-child(4) { transition-delay: 360ms; }

/* 卡片悬停上浮发光 */
.card-hover {
  transition:
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.4s ease,
    border-color 0.4s ease;
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow:
    0 0 0 1px rgba(124,92,255,0.25),
    0 28px 60px rgba(124,92,255,0.2),
    0 8px 24px rgba(0,0,0,0.3);
  border-color: rgba(124,92,255,0.35);
}

/* 图片悬停缩放 */
.img-zoom { overflow: hidden; }
.img-zoom img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.img-zoom:hover img {
  transform: scale(1.08);
}

/* 渐变动画文字 */
.text-gradient-animate {
  background: linear-gradient(90deg, #fff, #4dd7ff, #ff4fd8, #7c5cff, #fff);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 按钮光泽扫过动画 */
.btn-shimmer {
  position: relative;
  overflow: hidden;
}

.btn-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  animation: shimmer 3s ease-in-out infinite 1s;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 200%; }
}

/* 推荐卡片发光边框 */
.featured-glow {
  position: relative;
}

.featured-glow::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    var(--border-angle, 135deg),
    #7c5cff, #ff4fd8, #4dd7ff, #7c5cff
  );
  background-size: 300% 300%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: gradientShift 4s ease infinite;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.featured-glow:hover::before {
  opacity: 1;
}

/* 导航链接下划线动画 */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7c5cff, #ff4fd8);
  border-radius: 1px;
  transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
  left: 0;
}

/* 在线状态脉冲点 */
@keyframes statusPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.status-dot {
  animation: statusPulse 2s ease-in-out infinite;
}

/* 数据统计数字入场动画 */
.stat-number {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat-number.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-stat > .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-stat > .reveal:nth-child(2) { transition-delay: 100ms; }
.stagger-stat > .reveal:nth-child(3) { transition-delay: 200ms; }
.stagger-stat > .reveal:nth-child(4) { transition-delay: 300ms; }

/* 品牌标签滚动轨道 */
.ticker-track {
  width: max-content;
  min-width: 200%;
}

/* 定价卡片悬停缩放 */
.price-pop {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-hover:hover .price-pop {
  transform: scale(1.05);
}

/* 徽章浮动动画 */
.badge-float {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* 分区分隔线发光 */
.glow-divider {
  position: relative;
}

.glow-divider::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,92,255,0.4), rgba(255,79,216,0.3), transparent);
}