body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  cursor: pointer;
  font-family: 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
  overflow: hidden;
  background: #fce4ec;
}

.page {
  position: relative;
  width: 100%;
  height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  overflow: hidden;
  background: #fff0f5;
}

.bg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.bg-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: bgFade 12s infinite;
}
.bg-1 {
  background-image: url('/ai/img/1.png');
  animation-delay: 0s;
}
.bg-2 {
  background-image: url('/ai/img/2.png');
  animation-delay: 6s;
}

@keyframes bgFade {
  0% { opacity: 0; }
  10% { opacity: 0.85; }
  45% { opacity: 0.85; }
  55% { opacity: 0; }
  100% { opacity: 0; }
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,182,193,0.4) 100%);
  z-index: 1;
}

.hero {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 12vh;
  height: 100%;
  box-sizing: border-box;
  text-align: center;
  color: #4a1a2e;
  text-shadow: 0 2px 8px rgba(255,200,210,0.6);
}

.app-logo {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(233,30,99,0.3);
  margin-bottom: 8px;
  object-fit: cover;
  background: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}

.app-name {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
  margin: 4px 0 6px;
  color: #880e4f;
  text-shadow: 0 2px 12px rgba(255,255,255,0.5);
}

.tagline {
  font-size: 16px;
  font-weight: 500;
  color: #ad1457;
  margin: 0 0 10px;
  letter-spacing: 1px;
  background: rgba(255,255,255,0.3);
  padding: 4px 18px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.guide-text {
  font-size: 13px;
  color: #7f3f5a;
  margin: 4px 0 12px;
  opacity: 0.8;
  font-weight: 400;
}

.download-btn {
  display: inline-block;
  padding: 14px 56px;
  background: linear-gradient(135deg, #e91e63, #f06292);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: 0 8px 28px rgba(233,30,99,0.5);
  text-decoration: none;
  letter-spacing: 2px;
  transition: transform 0.2s, box-shadow 0.2s;
  margin: 4px 0 18px;
  border: none;
  cursor: pointer;
  position: relative;
  top: 0;
}
.download-btn:active {
  transform: scale(0.96);
  box-shadow: 0 4px 16px rgba(233,30,99,0.6);
}

.social-proof {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(6px);
  padding: 6px 16px;
  border-radius: 30px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.avatar-stack {
  display: flex;
  margin-right: 4px;
}
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -8px;
  object-fit: cover;
  background: #f8bbd0;
}
.avatar:first-child {
  margin-left: 0;
}

.online-count {
  font-size: 13px;
  font-weight: 500;
  color: #6a1b3a;
  background: rgba(255,255,255,0.3);
  padding: 2px 10px;
  border-radius: 12px;
}

.badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(2px);
}
.badge.verified {
  color: #2e7d32;
  border: 1px solid #66bb6a;
}
.badge.distance {
  color: #4a148c;
  border: 1px solid #ce93d8;
}

.match-tip {
  font-size: 14px;
  color: #880e4f;
  font-weight: 500;
  background: rgba(255,255,255,0.4);
  padding: 6px 18px;
  border-radius: 30px;
  backdrop-filter: blur(4px);
  margin-top: 4px;
  box-shadow: 0 2px 10px rgba(233,30,99,0.1);
  animation: pulse 2.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

/* 手机适配 */
@media (max-width: 420px) {
  .app-name { font-size: 24px; }
  .download-btn { padding: 12px 44px; font-size: 18px; }
  .tagline { font-size: 14px; }
  .hero { padding-top: 10vh; }
  .app-logo { width: 64px; height: 64px; }
}