/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 紧急通知栏 */
.urgent-banner {
  background: linear-gradient(90deg, #f59e0b, #d97706);
  color: white;
  padding: 8px 0;
  text-align: center;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1001;
  animation: urgentPulse 2s infinite;
}

.urgent-banner .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.urgent-icon {
  font-size: 1.2rem;
  animation: bounce 1s infinite;
}

.urgent-text {
  font-weight: 600;
  font-size: 0.9rem;
}

.urgent-btn {
  background: white;
  color: #f59e0b;
  border: none;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.urgent-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

@keyframes urgentPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

/* 导航栏 */












.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 35px;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s;
}


/* 移动端完全移除top属性 */
@media (max-width: 768px) {
  .navbar {
    top: 105px;
  }
}



.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.nav-brand {
  display: flex;
  flex-direction: column;
}

.nav-brand h1 {
  color: #2563eb;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.nav-tagline {
  font-size: 0.7rem;
  color: #666;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
}

.nav-menu a:hover {
  color: #2563eb;
  transform: translateY(-2px);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: #2563eb;
  transition: all 0.3s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* 英雄区域升级版 */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 140px 0 100px;
  margin-top: 105px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.pain-points {
  background: rgba(255, 255, 255, 0.15);
  padding: 2rem;
  border-radius: 16px;
  margin-bottom: 2rem;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.pain-points h2 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.pain-list p {
  margin-bottom: 0.8rem;
  opacity: 0.9;
  padding-left: 1rem;
  position: relative;
}

.solution-intro {
  margin-top: 1.5rem;
  text-align: center;
  padding: 1rem;
  background: rgba(245, 158, 11, 0.2);
  border-radius: 8px;
}

.solution-intro h3 {
  font-size: 1.1rem;
  color: #fbbf24;
}

.hero-title h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(45deg, #fff, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.trust-badges {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: nowrap;
}

.badge {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.hero-features {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem 1.5rem;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.feature-item:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.25);
}

.feature-item.highlight {
  background: rgba(245, 158, 11, 0.3);
  border: 1px solid rgba(245, 158, 11, 0.5);
}

.feature-icon {
  font-size: 1.5rem;
}

.feature-content {
  display: flex;
  flex-direction: column;
}

.feature-content strong {
  font-size: 1rem;
  margin-bottom: 2px;
}

.feature-content small {
  font-size: 0.8rem;
  opacity: 0.8;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.urgency-text {
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.9;
  animation: urgentBlink 2s infinite;
}

@keyframes urgentBlink {
  0%,
  100% {
    opacity: 0.9;
  }
  50% {
    opacity: 1;
  }
}

.cta-button {
  padding: 1.2rem 2.5rem;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-button.primary {
  background: linear-gradient(45deg, #f59e0b, #d97706);
  color: white;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.cta-button.primary:hover {
  background: linear-gradient(45deg, #d97706, #b45309);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.6);
}

.cta-button.secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.cta-button.secondary:hover {
  background: white;
  color: #2563eb;
  transform: translateY(-3px);
}

.cta-button.large {
  padding: 1.5rem 3rem;
  font-size: 1.2rem;
}

.cta-button.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.hero-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.delivery-illustration {
  position: relative;
  width: 350px;
  height: 350px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 2rem;
}

.delivery-person {
  font-size: 5rem;
  animation: float 3s ease-in-out infinite;
}

.package {
  position: absolute;
  top: 15%;
  right: 15%;
  font-size: 2.5rem;
  animation: bounce 2s ease-in-out infinite;
}

.home {
  position: absolute;
  bottom: 15%;
  left: 15%;
  font-size: 2.5rem;
}

.success-indicator {
  position: absolute;
  top: 10%;
  left: 10%;
  font-size: 2rem;
  color: #10b981;
  animation: successPulse 1.5s infinite;
}

@keyframes successPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

.stats-overlay {
  display: flex;
  gap: 2rem;
}

.stat-item {
  text-align: center;
  background: rgba(255, 255, 255, 0.15);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fbbf24;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* 核心价值升级版 */
.core-values {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.value-card {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2563eb, #3b82f6);
}

.value-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.value-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.value-card h3 {
  font-size: 1.6rem;
  color: #2563eb;
  margin-bottom: 1rem;
  font-weight: 700;
}

.value-desc {
  color: #666;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.value-details ul {
  list-style: none;
  text-align: left;
}

.value-details li {
  padding: 0.5rem 0;
  color: #555;
  font-weight: 500;
}

/* 社会证明 */
.social-proof {
  padding: 80px 0;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  color: white;
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-card {
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card .stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: #fbbf24;
  display: block;
  margin-bottom: 0.5rem;
}

.stat-card .stat-label {
  font-size: 1rem;
  opacity: 0.9;
  font-weight: 500;
}

/* 服务优势升级版 */
.advantages {
  padding: 100px 0;
  background: white;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  color: #2563eb;
  margin-bottom: 4rem;
  font-weight: 800;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #f59e0b, #d97706);
  border-radius: 2px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.advantage-item {
  text-align: center;
  padding: 2.5rem;
  background: white;
  border-radius: 16px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s;
  border: 1px solid #f1f5f9;
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
  border-color: #2563eb;
}

.advantage-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.advantage-item h4 {
  font-size: 1.3rem;
  color: #2563eb;
  margin-bottom: 1rem;
  font-weight: 700;
}

.advantage-item p {
  color: #666;
  line-height: 1.7;
  font-size: 1rem;
}

/* 价格对比升级版 */
.pricing {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.pricing-comparison {
  max-width: 1000px;
  margin: 0 auto;
}

.comparison-header {
  text-align: center;
  margin-bottom: 3rem;
}

.comparison-header h3 {
  font-size: 2rem;
  color: #2563eb;
  margin-bottom: 1rem;
  font-weight: 700;
}

.comparison-header p {
  font-size: 1.2rem;
  color: #666;
}

.pricing-table {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.pricing-table table {
  width: 100%;
  border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
  padding: 1.5rem;
  text-align: center;
  border-bottom: 1px solid #e5e7eb;
}

.pricing-table th {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}

.old-price {
  color: #ef4444;
  text-decoration: line-through;
  font-weight: 600;
}

.new-price {
  color: #f59e0b;
  font-weight: 800;
  font-size: 1.2rem;
}

.save-amount {
  color: #10b981;
  font-weight: 700;
  font-size: 1.1rem;
}

.save-percent {
  color: #10b981;
  font-weight: 800;
  font-size: 1.1rem;
}

.pricing-benefits {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  font-weight: 600;
  color: #2563eb;
}

.benefit-icon {
  color: #10b981;
  font-size: 1.2rem;
}

/* 用户证言升级版 */
.testimonials {
  padding: 100px 0;
  background: white;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  border: 1px solid #f1f5f9;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.testimonial-card.featured {
  border: 2px solid #f59e0b;
  position: relative;
}

.testimonial-card.featured::before {
  content: "🔥 热门推荐";
  position: absolute;
  top: -10px;
  left: 20px;
  background: #f59e0b;
  color: white;
  padding: 5px 15px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.testimonial-avatar {
  font-size: 3rem;
  flex-shrink: 0;
}

.testimonial-info h4 {
  color: #2563eb;
  margin-bottom: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.rating {
  margin-bottom: 0.3rem;
}

.location {
  font-size: 0.9rem;
  color: #666;
}

.testimonial-content p {
  color: #555;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.testimonial-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: #10b981;
  font-weight: 600;
}

/* 限时优惠升级版 */
.offers {
  padding: 100px 0;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.offers::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="sparkle" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="40" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23sparkle)"/></svg>');
  opacity: 0.3;
}

.offers .container {
  position: relative;
  z-index: 1;
}

.offers .section-title {
  color: white;
}

.offers-countdown {
  text-align: center;
  margin-bottom: 3rem;
}

.offers-countdown h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.countdown-timer {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.time-unit {
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  min-width: 80px;
}

.time-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: #fbbf24;
}

.time-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

.offers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.offer-card {
  background: rgba(255, 255, 255, 0.15);
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  transition: all 0.3s;
}

.offer-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.2);
}

.offer-card.premium {
  border: 2px solid #fbbf24;
  background: rgba(251, 191, 36, 0.2);
}

.offer-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: #ef4444;
  color: white;
  padding: 5px 15px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.offer-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.offer-card h4 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.offer-value {
  font-size: 1.2rem;
  color: #fbbf24;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.offer-details {
  margin-bottom: 2rem;
}

.offer-details p {
  margin-bottom: 0.5rem;
  opacity: 0.9;
  font-weight: 500;
}

.offer-btn {
  background: white;
  color: #10b981;
  border: none;
  padding: 1rem 2rem;
  border-radius: 25px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  width: 100%;
}

.offer-btn:hover {
  background: #f0f9ff;
  transform: translateY(-2px);
}

.offer-btn.secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.offer-btn.secondary:hover {
  background: white;
  color: #10b981;
}

/* 服务保障 */
.guarantee {
  padding: 100px 0;
  background: white;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.guarantee-item {
  text-align: center;
  padding: 2.5rem;
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
  border-radius: 16px;
  transition: all 0.3s;
  border: 1px solid #e2e8f0;
}

.guarantee-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-color: #2563eb;
}

.guarantee-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.guarantee-item h4 {
  font-size: 1.3rem;
  color: #2563eb;
  margin-bottom: 1rem;
  font-weight: 700;
}

.guarantee-item p {
  color: #666;
  line-height: 1.7;
}

/* 使用步骤升级版 */
.steps {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.steps-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.step-item {
  text-align: center;
  max-width: 250px;
  position: relative;
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}

.step-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.step-number {
  width: 50px;
  height: 50px;
  background: linear-gradient(45deg, #2563eb, #3b82f6);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 1.5rem;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.step-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.step-item h4 {
  color: #2563eb;
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 1.2rem;
}

.step-item p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.step-time {
  background: #10b981;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 15px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
}

.step-arrow {
  font-size: 2.5rem;
  color: #2563eb;
  font-weight: bold;
  align-self: center;
}

.steps-note {
  text-align: center;
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  margin: 0 auto;
}

.steps-note p {
  color: #666;
  font-size: 1rem;
  margin: 0;
}

/* 二维码展示区 */
.qr-codes {
  padding: 80px 0;
  background: white;
}

.qr-container {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.qr-item {
  text-align: center;
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  max-width: 300px;
}

.qr-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.qr-image {
  width: 200px;
  height: 200px;
  margin: 0 auto 1.5rem;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.qr-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qr-item h4 {
  font-size: 1.3rem;
  color: #2563eb;
  margin-bottom: 1rem;
  font-weight: 700;
}

.qr-item p {
  color: #666;
  line-height: 1.6;
}

/* 立即行动升级版 */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="stars" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
  opacity: 0.3;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-urgency h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
  animation: urgentShake 3s infinite;
}

@keyframes urgentShake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-2px);
  }
  75% {
    transform: translateX(2px);
  }
}

.cta-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  font-weight: 500;
}

.cta-benefits {
  margin-bottom: 3rem;
}

.benefit-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.benefit-row span {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.contact-info {
  background: rgba(255, 255, 255, 0.1);
  padding: 3rem;
  border-radius: 20px;
  backdrop-filter: blur(15px);
  max-width: 800px;
  margin: 0 auto 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
}

.contact-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.contact-details strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.contact-details p {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.contact-details small {
  opacity: 0.8;
  font-size: 0.9rem;
}

.trust-indicators {
  opacity: 0.9;
  font-size: 1rem;
}

/* 页脚升级版 */
.footer {
  background: linear-gradient(135deg, #1f2937, #111827);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
}

.footer-brand h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: #2563eb;
}

.footer-brand p {
  margin-bottom: 1.5rem;
  opacity: 0.8;
  font-size: 1.1rem;
}

.footer-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-stats span {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-services h4 {
  color: #fbbf24;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.footer-services p {
  margin-bottom: 0.8rem;
  opacity: 0.8;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.link-group h4 {
  color: #fbbf24;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.link-group a {
  display: block;
  color: white;
  text-decoration: none;
  opacity: 0.8;
  transition: all 0.3s;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.link-group a:hover {
  opacity: 1;
  color: #2563eb;
  transform: translateX(5px);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
}

.footer-promise {
  text-align: center;
  margin-bottom: 1rem;
}

.footer-promise p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.footer-copyright {
  text-align: center;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
  transition: all 0.3s ease;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  visibility: hidden;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.back-to-top:hover {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

.back-to-top:active {
  transform: translateY(-1px);
}

/* 响应式设计 - 移动端适配 */
@media (max-width: 768px) {
  .back-to-top {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .back-to-top {
    width: 35px;
    height: 35px;
    font-size: 1rem;
    bottom: 15px;
    right: 15px;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .urgent-banner .container {
    flex-direction: column;
    gap: 0.5rem;
  }

  .urgent-text {
    font-size: 0.8rem;
  }

  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 80px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-title h1 {
    font-size: 2.2rem;
  }

  .hero-features {
    justify-content: center;
  }

  .feature-item {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .value-cards {
    grid-template-columns: 1fr;
  }

  .advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-header {
    flex-direction: column;
    text-align: center;
  }

  .offers-grid {
    grid-template-columns: 1fr;
  }

  .countdown-timer {
    gap: 0.5rem;
  }

  .time-unit {
    min-width: 60px;
    padding: 0.8rem;
  }

  .time-number {
    font-size: 1.5rem;
  }

  .guarantee-grid {
    grid-template-columns: 1fr;
  }

  .steps-container {
    flex-direction: column;
    align-items: center;
  }

  .step-arrow {
    transform: rotate(90deg);
  }

  .qr-container {
    gap: 2rem;
  }

  .qr-image {
    width: 150px;
    height: 150px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-button {
    width: 100%;
    max-width: 300px;
  }

  .benefit-row {
    flex-direction: column;
    gap: 1rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .contact-item {
    justify-content: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-title h1 {
    font-size: 1.8rem;
  }

  .feature-item {
    font-size: 0.9rem;
    padding: 0.8rem 1.2rem;
  }

  .value-card,
  .advantage-item,
  .testimonial-card,
  .offer-card,
  .guarantee-item {
    padding: 1.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .cta-urgency h2 {
    font-size: 2rem;
  }

  .pricing-table th,
  .pricing-table td {
    padding: 1rem 0.5rem;
    font-size: 0.9rem;
  }

  .qr-image {
    width: 120px;
    height: 120px;
  }
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 加载动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* 特殊效果 */
.animate-number {
  display: inline-block;
}

/* 涟漪效果 */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* 导航菜单移动端 */
.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  gap: 1rem;
  border-radius: 0 0 12px 12px;
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
}
