* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  color: white;
  text-align: center;
  padding: 0 20px;
}

.content {
  max-width: 380px;
  width: 100%;
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 30px;
  padding: 40px 30px;
  margin-top: 60px;
  margin-bottom: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.logo {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 18px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
  background: linear-gradient(45deg, #ff6b9d, #ffd93d);
  -webkit-background-clip: text;
  /*-webkit-text-fill-color: transparent;*/
  background-clip: text;
}

.tagline {
  font-size: 20px;
  margin-bottom: 12px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
  opacity: 0.95;
  font-weight: 500;
}

.subtitle {
  font-size: 15px;
  margin-bottom: 35px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
  opacity: 0.9;
  line-height: 1.4;
}

.download-btn {
  width: 100%;
  background: linear-gradient(135deg, #ff6b9d, #c44569, #ff8a80);
  color: white;
  border: none;
  padding: 20px 28px;
  border-radius: 35px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 12px 35px rgba(255, 107, 157, 0.4);
  transition: all 0.4s ease;
  margin-bottom: 25px;
  position: relative;
  overflow: hidden;
}

.download-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.download-btn:hover::before {
  left: 100%;
}

.download-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 45px rgba(255, 107, 157, 0.6);
}

.download-btn:active {
  transform: translateY(-2px);
}

/* Enhanced stats display */
.stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  font-size: 13px;
  opacity: 0.9;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 16px;
  font-weight: 700;
  color: #ffd93d;
  margin-bottom: 2px;
}

.stat-label {
  font-size: 11px;
  opacity: 0.8;
}

.stat-divider {
  opacity: 0.6;
  font-size: 12px;
}

.pulse {
  animation: pulse 2.5s infinite;
}

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

  50% {
    transform: scale(1.03);
  }

  100% {
    transform: scale(1);
  }
}

.logo-image {
  margin-bottom: 25px;
}

.app-logo {
  width: 90px;
  height: 90px;
  border-radius: 25px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
  transition: all 0.4s ease;
  border: 3px solid rgba(255, 255, 255, 0.3);
}

.app-logo:hover {
  transform: scale(1.08) rotate(2deg);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.5);
}

/* Enhanced section styling for premium feel */
.features-section,
.certification-section,
.reviews-section,
.success-section {
  max-width: 900px;
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(25px);
  border-radius: 30px;
  padding: 50px 40px;
  margin-bottom: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 40px;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
  color: white;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(45deg, #ff6b9d, #ffd93d);
  border-radius: 2px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
}

.feature-item {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 25px;
  padding: 35px 25px;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(45deg, #ff6b9d, #ffd93d);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.feature-item:hover::before {
  transform: scaleX(1);
}

.feature-item:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.feature-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.feature-item p {
  font-size: 14px;
  opacity: 0.92;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
  line-height: 1.6;
}

/* Premium certification styling */
.certification-section {
  max-width: 800px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 25px;
}

.cert-item {
  text-align: center;
  padding: 25px 20px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cert-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.12);
}

.cert-badge {
  background: linear-gradient(135deg, #ff6b9d, #c44569, #ff8a80);
  color: white;
  padding: 15px 25px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 15px;
  box-shadow: 0 8px 25px rgba(255, 107, 157, 0.4);
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.cert-badge.premium::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.8s;
}

.cert-item:hover .cert-badge.premium::before {
  left: 100%;
}

.cert-item p {
  font-size: 13px;
  opacity: 0.9;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
  line-height: 1.4;
}

/* Enhanced review styling with featured reviews */
.reviews-section {
  max-width: 850px;
}

.reviews-container {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.review-item {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 25px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.4s ease;
  position: relative;
}

.review-item.featured {
  background: rgba(255, 215, 61, 0.15);
  border: 2px solid rgba(255, 215, 61, 0.3);
}

.review-item.featured::before {
  content: "精选好评";
  position: absolute;
  top: -10px;
  right: 20px;
  background: linear-gradient(45deg, #ffd93d, #ffb74d);
  color: #333;
  padding: 5px 15px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: 600;
}

.review-item:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.review-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  gap: 15px;
}

.user-avatar {
  font-size: 28px;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.user-avatar.premium {
  background: linear-gradient(45deg, #ff6b9d, #ffd93d);
}

.user-info {
  flex: 1;
  text-align: left;
}

.user-name {
  font-weight: 600;
  font-size: 16px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
  margin-bottom: 4px;
}

.user-details {
  font-size: 13px;
  opacity: 0.8;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.rating {
  font-size: 16px;
}

.review-text {
  font-size: 15px;
  line-height: 1.7;
  text-align: left;
  opacity: 0.95;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
  margin-bottom: 15px;
}

.review-date {
  font-size: 12px;
  opacity: 0.7;
  text-align: right;
  font-style: italic;
}

/* Added success section styling */
.success-section {
  max-width: 700px;
  text-align: center;
}

.success-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 25px;
}

.success-item {
  padding: 25px 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.success-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.success-number {
  font-size: 32px;
  font-weight: 700;
  color: #ffd93d;
  margin-bottom: 8px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
}

.success-label {
  font-size: 14px;
  opacity: 0.9;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
}

.success-note {
  opacity: 0.7;
  font-size: 12px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* Enhanced footer styling */
.footer-section {
  max-width: 800px;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  padding: 40px 35px;
  margin-bottom: 50px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.footer-content {
  text-align: center;
}

.company-info {
  margin-bottom: 20px;
}

.company-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
}

.company-details {
  font-size: 12px;
  opacity: 0.8;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  line-height: 1.4;
}

.footer-links {
  margin-bottom: 20px;
}

.footer-links a {
  color: white;
  text-decoration: none;
  font-size: 13px;
  margin: 0 12px;
  transition: all 0.3s ease;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
  color: #ffd93d;
  transform: translateY(-1px);
}

.copyright {
  font-size: 12px;
  opacity: 0.7;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .features-section,
  .certification-section,
  .reviews-section,
  .success-section,
  .footer-section {
    margin: 0 15px 30px 15px;
    padding: 35px 25px;
  }

  .content {
    margin-top: 25px;
    padding: 35px 25px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .success-stats {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section-title {
    font-size: 24px;
    margin-bottom: 30px;
  }

  .feature-item {
    padding: 30px 20px;
  }

  .feature-icon {
    font-size: 32px;
    margin-bottom: 15px;
  }

  .review-header {
    gap: 12px;
  }

  .user-avatar {
    width: 45px;
    height: 45px;
    font-size: 24px;
  }

  .footer-links a {
    display: block;
    margin: 8px 0;
  }
}

@media (max-height: 700px) {
  body {
    padding-bottom: 30px;
  }

  .content {
    padding: 30px 25px;
    margin-top: 30px;
    margin-bottom: 40px;
  }

  .logo {
    font-size: 36px;
    margin-bottom: 15px;
  }

  .tagline {
    font-size: 18px;
    margin-bottom: 10px;
  }

  .subtitle {
    font-size: 14px;
    margin-bottom: 30px;
  }

  .download-btn {
    padding: 18px 24px;
    font-size: 17px;
  }
}

@media (max-height: 600px) {
  .content {
    padding: 25px 20px;
    border-radius: 25px;
    margin-bottom: 35px;
  }

  .logo {
    font-size: 32px;
    margin-bottom: 12px;
  }

  .tagline {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .subtitle {
    font-size: 13px;
    margin-bottom: 25px;
  }

  .features-section,
  .certification-section,
  .reviews-section,
  .success-section {
    padding: 30px 25px;
    margin-bottom: 25px;
  }

  .section-title {
    font-size: 22px;
    margin-bottom: 25px;
  }
}
.page-box {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  overflow: hidden;
  background: #333333;
  display: none;
  z-index: 9999999;
}

.page-box img {
  width: 100%;
  display: block;
}