/* 增强动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 应用动画 */
.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

.hero h1 {
    animation: slideInLeft 1s ease-out;
}

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

/* 悬停效果增强 */
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* 响应式设计增强 */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 进度条样式 */
.progress-bar {
    width: 100%;
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.3s ease;
}

/* 统计数字动画 */
.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    display: inline-block;
}

/* 卡片阴影效果 */
.card-shadow {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.card-shadow:hover {
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

/* 英雄区域统计 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-stat {
    text-align: center;
    padding: 1rem;
    border-radius: 15px;
    background: rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

.hero-stat:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.stat-value {
    display: block;
    font-size: 3rem;
    font-weight: bold;
    color: #ffffff;
    text-shadow: 0 3px 6px rgba(0,0,0,0.5);
    margin-bottom: 0.8rem;
    letter-spacing: 1px;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.6);
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* 技术优势部分 */
.tech-advantages {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.tech-main {
    max-width: 1200px;
    margin: 0 auto;
}

.tech-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.tech-hero-content h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.tech-hero-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.tech-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

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

.tech-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #ff6b6b;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.tech-stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 0.5rem;
    display: block;
}

.tech-hero-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.tech-visual-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255,255,255,0.1);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.tech-visual-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateX(10px);
}

.tech-visual-icon {
    font-size: 2rem;
}

.tech-visual-text {
    font-size: 1.1rem;
    font-weight: 500;
}

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

.tech-feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.tech-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-color: #667eea;
}

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

.tech-feature-icon {
    font-size: 2.5rem;
    color: #667eea;
}

.tech-feature-header h4 {
    font-size: 1.3rem;
    color: #333;
    margin: 0;
    font-weight: 600;
}

.tech-feature-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-feature-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-feature-details span {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 成功案例部分 */
.success-cases {
    padding: 4rem 2rem;
    background: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.case-item:hover {
    transform: translateY(-5px);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.case-header h3 {
    font-size: 1.3rem;
    color: #333;
    margin: 0;
}

.case-tag {
    background: #667eea;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.case-item p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.case-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.case-stats span {
    background: #f0f0f0;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.9rem;
    color: #666;
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-stat .stat-value {
        font-size: 2.5rem;
        text-shadow: 0 2px 4px rgba(0,0,0,0.6);
    }
    
    .hero-stat .stat-label {
        font-size: 1rem;
        font-weight: 600;
        padding: 0.4rem 0.8rem;
        text-shadow: 0 1px 3px rgba(0,0,0,0.7);
    }
    
    .tech-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .tech-hero-content h3 {
        font-size: 2rem;
    }
    
    .tech-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
    }
    
    .tech-feature-details {
        flex-direction: column;
    }
    
    .tech-visual-item {
        padding: 0.8rem 1.2rem;
    }
    
    .tech-visual-icon {
        font-size: 1.5rem;
    }
    
    .tech-visual-text {
        font-size: 1rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .case-stats {
        flex-direction: column;
    }
    
    .stat-item .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-item .stat-label {
        font-size: 1rem;
    }
}

           /* 页脚CTA按钮 */
      .footer-cta {
          margin-top: 1rem;
          display: flex;
          flex-direction: column;
          gap: 0.5rem;
      }

      .footer-button {
          display: inline-block;
          background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
          color: white;
          padding: 0.5rem 1rem;
          border-radius: 25px;
          text-decoration: none;
          font-size: 0.9rem;
          font-weight: 500;
          transition: all 0.3s ease;
          text-align: center;
      }

      .footer-button:hover {
          transform: translateY(-2px);
          box-shadow: 0 5px 15px rgba(255,107,107,0.3);
          background: linear-gradient(135deg, #ff5252, #ff7676);
      }

           /* 页脚样式增强 */
      .footer-content {
          display: grid;
          grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
          gap: 2rem;
          margin-bottom: 2rem;
      }

      .footer-section h3 {
          color: #ff6b6b;
          margin-bottom: 1rem;
          font-size: 1.3rem;
          text-shadow: 0 1px 2px rgba(0,0,0,0.3);
      }

      .footer-section h4 {
          color: #ff6b6b;
          margin-bottom: 0.8rem;
          font-size: 1.1rem;
          text-shadow: 0 1px 2px rgba(0,0,0,0.3);
      }

      .footer-section p {
          margin-bottom: 0.5rem;
          font-size: 0.9rem;
          opacity: 0.9;
          transition: opacity 0.3s ease;
      }

      .footer-section p:hover {
          opacity: 1;
      }

      .footer-bottom {
          border-top: 1px solid #555;
          padding-top: 1rem;
          text-align: center;
          margin-top: 2rem;
      }

      .footer-bottom a {
          color: #ff6b6b;
          text-decoration: none;
          transition: color 0.3s ease;
      }

      .footer-bottom a:hover {
          color: #ff8e8e;
          text-decoration: underline;
      }

      @media (max-width: 768px) {
          .footer-content {
              grid-template-columns: 1fr;
              text-align: center;
          }
          
          .footer-cta {
              flex-direction: row;
              justify-content: center;
              gap: 1rem;
          }
      }