/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 增强文本样式 - 加强阴影和轻微动态效果 */
.enhanced-text {
    font-size: 1.5em;
    position: relative;
    color: #fff;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.5),
        0 0 12px rgba(103, 58, 183, 0.7);
    animation: subtle-glow 2s infinite alternate;
}

@keyframes subtle-glow {
    0% {
        text-shadow: 
            0 2px 4px rgba(0, 0, 0, 0.8),
            0 4px 8px rgba(0, 0, 0, 0.5),
            0 0 12px rgba(103, 58, 183, 0.7);
        transform: translateY(0);
    }
    100% {
        text-shadow: 
            0 3px 6px rgba(0, 0, 0, 0.9),
            0 6px 12px rgba(0, 0, 0, 0.6),
            0 0 16px rgba(123, 31, 162, 0.8);
        transform: translateY(-2px);
    }
}

/* 使用说明样式 */
.instructions {
    background-color: #ffffff;
    padding: 40px 20px;
    margin-bottom: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.instructions h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8em;
    color: #333;
    position: relative;
    padding-bottom: 15px;
}

.instructions h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #6a11cb, #2575fc);
    border-radius: 3px;
}

.instructions-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.instruction-step {
    display: flex;
    align-items: center;
    background-color: white;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.06);
    border: 1px solid #e0e0e0;
    flex: 1;
    min-width: 250px;
    max-width: 450px;
    box-sizing: border-box;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(106, 17, 203, 0.2);
    border: 3px solid #ffffff;
}

/* 数字样式已统一设置在.step-number类中 */

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.3em;
    color: #333;
    font-weight: 600;
}

.step-content p {
    margin-bottom: 12px;
    line-height: 1.6;
    color: #555;
    font-size: 0.95em;
}

.step-content .tip {
    color: #ff6b6b;
    font-weight: 500;
    background-color: #fff5f5;
    padding: 10px 14px;
    border-radius: 6px;
    display: inline-block;
    font-size: 0.9em;
    border-left: 3px solid #ff6b6b;
}

body {
    font-family: 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: #2c3e50;
    background-color: #f8fafc;
    font-size: 16px;
    /* 添加网格纹背景效果 - 增加颜色深度 */
    background-image: 
        linear-gradient(rgba(156, 163, 175, 0.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(156, 163, 175, 0.2) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: 0 0, 0 0;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #3949ab, #673ab7);
    padding: 70px 20px 80px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    position: relative;
    text-align: center;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.1), transparent 70%);
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, rgba(255,255,255,0.3), rgba(255,255,255,0));
}

header h1 {
    font-size: 3.2em;
    font-weight: 700;
    letter-spacing: -1px;
    color: #ffffff;
    margin: 0 auto 20px;
    display: inline-block;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

header h2 {
    font-size: 1.8em;
    font-weight: 600;
    color: #ffffff;
    margin: 0 auto 15px;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

header p {
    font-size: 1.2em;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* 主内容样式 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.intro {
    background: #ffffff;
    padding: 60px 40px;
    margin-bottom: 60px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #3949ab, #673ab7);
}

.intro h2 {
    color: #3949ab;
    margin-bottom: 25px;
    font-size: 2.5em;
    font-weight: 700;
    position: relative;
    padding-bottom: 20px;
}

.intro h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3949ab, #673ab7);
    border-radius: 2px;
}

.intro p {
    font-size: 1.3em;
    color: #4a5568;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 功能卡片样式 */
.features-container {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 30px;
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 0 20px;
}

.features {
    padding: 60px 0;
    margin-bottom: 60px;
    text-align: center;
}

.features h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 1.8em;
    position: relative;
}

/* 快速操作区块样式 */
.actions {
    background-color: #ffffff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.actions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #5c6bc0, #8e24aa);
}

.actions h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 1.8em;
    font-weight: 600;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #5c6bc0;
}

/* 按钮容器样式，使按钮横向排列 */
.action-buttons-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 0;
}

/* 按钮样式 */
.action-button {
    display: inline-block;
    padding: 20px 36px;
    background: linear-gradient(135deg, #3949ab, #673ab7);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 280px;
    text-align: center;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-size: 1.1em;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(57, 73, 171, 0.3);
}

.action-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #8e24aa, #5c6bc0);
    transition: left 0.3s ease;
    z-index: -1;
}

/* 按钮悬停效果 */
.action-button:hover {
    background: #3949ab;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(57, 73, 171, 0.4);
}

/* 响应式设计 - 小屏幕时自动调整 */
@media (max-width: 768px) {
    .action-buttons-container {
        flex-direction: column;
        align-items: center;
    }
    
    .action-button {
        width: 100%;
        max-width: 300px;
    }
}

/* 商品卡片样式 */
.products {
    background: #ffffff;
    padding: 60px 40px;
    margin-bottom: 60px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #3949ab, #673ab7);
}

.products h2 {
    text-align: center;
    color: #3949ab;
    margin-bottom: 40px;
    font-size: 2.5em;
    font-weight: 700;
    position: relative;
    padding-bottom: 20px;
}

.products h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3949ab, #673ab7);
    border-radius: 2px;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    margin: 20px auto 0;
    max-width: 100%;
    justify-content: center;
}

.product-card {
    background: #ffffff;
    border-radius: 8px;
    padding: 15px;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    width: 100%;
    min-width: 120px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 200px;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    border-color: #cbd5e0;
}

.product-card.featured {
    border: 2px solid #667eea;
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(to right, #ff6b6b, #ee5a24);
    color: white;
    padding: 4px 12px;
    border-radius: 0 8px 0 12px;
    font-size: 10px;
    font-weight: bold;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
    transform: translateY(0);
    white-space: nowrap;
    animation: pulse 2s infinite;
}

.product-card h3 {
    text-align: center;
    color: #3949ab;
    margin-bottom: 8px;
    font-size: 1em;
    font-weight: 700;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-price {
    text-align: center;
    font-size: 1.3em;
    font-weight: 700;
    color: #e91e63;
    margin: 8px 0 6px;
    letter-spacing: -0.5px;
    min-height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-price span {
    font-size: 14px;
    color: #666;
    margin-left: 3px;
}

.product-discount {
    text-align: center;
    color: #e74c3c;
    font-size: 11px;
    margin-bottom: 12px;
    font-weight: 500;
    min-height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.product-features li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    color: #4a5568;
    font-size: 1.05em;
    line-height: 1.6;
}

.product-button {
    display: block;
    text-align: center;
    padding: 8px;
    background: linear-gradient(135deg, #5c6bc0, #8e24aa);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.9em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    margin-top: auto;
    width: 100%;
}

.product-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #8e24aa, #5c6bc0);
    transition: left 0.3s ease;
    z-index: -1;
}

.product-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.product-button.featured-button {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    margin-top: auto;
    width: 100%;
}

/* 商品卡片响应式设计 */
  @media (max-width: 768px) {
          .product-cards {
              grid-template-columns: repeat(2, 1fr);
          }
          
          .featured-badge {
              font-size: 9px;
              padding: 3px 8px;
          }
      }
      
      @media (max-width: 480px) {
          .product-cards {
              grid-template-columns: 1fr;
          }
      }
  
  @media (max-width: 1200px) {
    .product-cards {
        grid-template-columns: repeat(4, 1fr);
    }
    
    @media (max-width: 992px) {
        .product-cards {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    
    .product-card {
        width: 100%;
    }
    
    .product-card.featured {
        transform: none;
    }
    
    .featured-badge {
        font-size: 12px;
        padding: 6px 15px;
    }
    
    .features-container {
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .why-us-container {
        gap: 20px;
    }
    
    .why-item {
        padding: 30px 20px;
    }
    
    .intro,
    .products,
    .steps,
    .why-us,
    .trust,
    .invoice,
    .instructions {
        padding: 30px 20px;
        margin-bottom: 30px;
    }
}

.feature-card {
    flex: 1;
    background: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
    min-width: 200px;
    text-align: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #5c6bc0, #8e24aa);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    border-color: #cbd5e0;
}

.feature-card h3 {
    color: #3949ab;
    margin-bottom: 16px;
    font-size: 1.6em;
    font-weight: 700;
    line-height: 1.3;
}

.feature-card p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 1.05em;
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    color: #2c3e50;
    padding: 60px 0;
    text-align: center;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    position: relative;
    margin-top: 80px;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #3949ab, #673ab7);
}

footer p {
    margin: 0;
    font-size: 1.1em;
    opacity: 0.9;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* 通知弹窗样式 */
.notification {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: #fff;
    color: #333;
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.07);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #5c6bc0, #8e24aa);
}

.notification.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* 三步完成充值样式 */
.steps {
    background-color: #ffffff;
    padding: 40px 20px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.steps::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #3949ab, #673ab7);
}

.steps h2 {
    text-align: center;
    color: #3949ab;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.steps h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #3949ab, #673ab7);
    border-radius: 2px;
}

.steps-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 15px;
}

.step-item {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.4s ease;
    position: relative;
    flex: 1;
    min-width: 220px;
    max-width: 300px;
    text-align: center;
    border: 1px solid #f0e6ff;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(106, 17, 203, 0.12);
    border-color: #6a11cb;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: white;
    border-radius: 50%;
    font-size: 1.5em;
    font-weight: bold;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(106, 17, 203, 0.2);
    border: 3px solid #ffffff;
}

.step-item h3 {
    color: #3949ab;
    margin-bottom: 15px;
    font-size: 1.3em;
    font-weight: 700;
    line-height: 1.3;
}

.step-item p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95em;
    margin-bottom: 0;
    font-weight: 400;
}

/* 为什么选择我们样式 */
.why-us {
    background-color: #ffffff;
    padding: 40px 20px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #e91e63, #9c27b0);
}

.why-us h2 {
    text-align: center;
    color: #e91e63;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.why-us h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #e91e63, #9c27b0);
    border-radius: 2px;
}

.why-us-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.why-item {
    flex: 1;
    min-width: 180px;
    padding: 30px 20px;
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.08), rgba(156, 39, 176, 0.12));
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid rgba(233, 30, 99, 0.2);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    text-align: center;
}

.why-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
    border-color: rgba(233, 30, 99, 0.3);
}

.why-item h3 {
    color: #e91e63;
    margin-bottom: 15px;
    font-size: 1.3em;
    font-weight: 700;
    line-height: 1.2;
}

.why-item p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95em;
}

/* 客户真实评价 */
.testimonials {
    background-color: #ffffff;
    padding: 60px 20px;
    text-align: center;
    border-radius: 12px;
    margin: 40px auto;
    max-width: 1200px;
}

.testimonials h2 {
    color: #3949ab;
    font-size: 2.2em;
    margin-bottom: 15px;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.testimonials h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    margin: 15px auto 0;
    border-radius: 3px;
}

.testimonials-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.testimonial-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px;
    flex: 1;
    min-width: 280px;
    max-width: calc(33.333% - 20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 2px solid #f0e6ff;
    transition: all 0.4s ease;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(106, 17, 203, 0.15);
    border-color: #6a11cb;
}

.testimonial-image {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 1;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.testimonial-image img {
    max-width: 100%;
    height: auto;
    display: block;
    transition: all 0.3s ease;
}

.testimonial-image:hover img {
    transform: scale(1.02);
}

.testimonial-card:hover .testimonial-image {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    border-color: #6a11cb;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .testimonial-card {
        max-width: 100%;
        margin-bottom: 20px;
    }
}

.wechat-banner {
    background-color: #fff9c4;
    border-radius: 12px;
    padding: 15px 20px;
    margin: 40px auto;
    max-width: 1200px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.wechat-content p {
    font-size: 16px;
    color: #333;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.wechat-id {
    background-color: #ffc107;
    color: #333;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
/* 视频按钮样式 */
.video-button {
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
    font-size: inherit;
    text-align: center;
    transition: transform 0.3s ease;
}

.video-button:hover {
    transform: translateY(-3px);
}

/* 模态框样式 - 简化且明确的弹出窗口实现 */
.modal {
    display: none; /* 默认隐藏 */
    position: fixed;
    z-index: 9999; /* 确保在所有元素之上 */
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8); /* 半透明黑色背景 */
    overflow: hidden;
    animation: modalFadeIn 0.3s ease;
    /* 居中容器 */
    display: flex;
    justify-content: center;
    align-items: center;
    /* 防止被覆盖 */
    box-sizing: border-box;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow: hidden;
}

@keyframes modalSlideIn {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #fff;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10000;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-button:hover {
    color: #ff6b6b;
    background-color: rgba(0, 0, 0, 0.7);
}

/* 视频样式 */
#tutorialVideo {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 80vh;
    }
    
    .close-button {
        font-size: 28px;
        top: 10px;
        right: 15px;
        width: 35px;
        height: 35px;
    }
}

/* 悬浮客服图标样式 */
.floating-service {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.service-icon {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.icon-circle {
    width: 70px;
    height: 70px;
    background-color: #ff4500;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.5);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(255, 69, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 69, 0, 0);
    }
}

.icon-circle:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(255, 69, 0, 0.6);
}

.icon-text {
    font-size: 30px;
    font-weight: bold;
}

.service-info {
    background-color: #ffeb3b;
    padding: 12px 16px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid #ffc107;
    max-width: 220px;
    overflow: visible;
    opacity: 1;
    white-space: nowrap;
    font-weight: bold;
}

.service-info p {
    margin: 0;
    font-size: 16px;
    color: #333;
    font-weight: bold;
}

.service-info .wechat-id {
    color: #07c160;
    font-size: 18px;
    font-weight: bold;
    margin-top: 4px;
}

/* 客户评价区域样式已优化 */

/* 信任保障样式 */

/* 响应式设计优化 */
@media (max-width: 768px) {
    /* 悬浮客服图标在手机端优化 */
    .floating-service {
        bottom: 20px;
        right: 20px;
    }
    
    .icon-circle {
        width: 60px;
        height: 60px;
    }
    
    .icon-text {
        font-size: 26px;
    }
    
    .service-info {
        max-width: 180px;
        padding: 10px 14px;
    }
    
    .service-info p {
        font-size: 14px;
    }
    
    .service-info .wechat-id {
        font-size: 16px;
    }
    
    /* 整体页面响应式优化 */
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .pricing-cards, .features-container, .steps-container, .testimonials-container {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .pricing-card, .feature-card, .step-card, .testimonial-card {
        max-width: 100%;
        width: 100%;
    }
    
    .hero-content {
        text-align: center;
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .wechat-banner {
        margin: 20px 15px;
        padding: 12px 15px;
    }
    
    .wechat-content p {
        font-size: 14px;
        flex-direction: column;
        gap: 8px;
    }
    
    footer {
        text-align: center;
        padding: 20px 15px;
        font-size: 14px;
    }
}
.trust {
    background: linear-gradient(135deg, #f8fafc, #f0f9ff);
    padding: 40px 20px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.trust::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #00bcd4, #2196f3);
}

.trust h2 {
    text-align: center;
    color: #00bcd4;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.trust h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00bcd4, #2196f3);
    border-radius: 2px;
}

.trust-content {
    max-width: 800px;
    margin: 0 auto;
}

.trust-content ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.trust-content li {
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.1), rgba(2, 136, 209, 0.1));
    border-radius: 10px;
    transition: all 0.3s ease;
    font-size: 1em;
    color: #2c3e50;
    border: 1px solid rgba(0, 188, 212, 0.2);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    position: relative;
    padding-left: 60px;
}

.trust-content li:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.15), rgba(2, 136, 209, 0.15));
    border-color: rgba(0, 188, 212, 0.3);
}

.trust-content li::before {
    content: '✅';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #00bcd4, #2196f3);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    box-shadow: 0 4px 12px rgba(0, 188, 212, 0.3);
}

/* 正规发票服务样式 */
.invoice {
    background: #ffffff;
    padding: 40px 20px;
    border-radius: 16px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.invoice h2 {
    text-align: center;
    color: #4ade80;
    margin-bottom: 25px;
    font-size: 2em;
    font-weight: 700;
    position: relative;
}

.invoice h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 3px;
    background: linear-gradient(90deg, #a7f3d0, #4ade80, #a7f3d0);
    border-radius: 2px;
}

.invoice-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border: 1px solid #d1fae5;
    text-align: center;
}

.invoice-content p {
    margin-bottom: 20px;
    line-height: 1.6;
    color: #166534;
    font-size: 1.1em;
    font-weight: 500;
}

.invoice-content p:last-child {
    margin-bottom: 0;
}
}

/* 使用说明样式 */
.instructions {
    background-color: #ffffff;
    padding: 40px 20px;
    margin-bottom: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.instructions h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8em;
    color: #333;
    position: relative;
    padding-bottom: 15px;
}

.instructions h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #6a11cb, #2575fc);
    border-radius: 3px;
}

.instructions-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.instruction-step {
    display: flex;
    align-items: center;
    background-color: white;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.06);
    border: 1px solid #e0e0e0;
    flex: 1;
    min-width: 250px;
    max-width: 450px;
    box-sizing: border-box;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(106, 17, 203, 0.2);
    border: 3px solid #ffffff;
}

/* 数字样式已统一设置在.step-number类中 */

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.3em;
    color: #333;
    font-weight: 600;
}

.step-content p {
    margin-bottom: 12px;
    line-height: 1.6;
    color: #555;
    font-size: 0.95em;
}

.step-content .tip {
    color: #ff6b6b;
    font-weight: 500;
    background-color: #fff5f5;
    padding: 10px 14px;
    border-radius: 6px;
    display: inline-block;
    font-size: 0.9em;
    border-left: 3px solid #ff6b6b;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .features-container {
        flex-wrap: wrap;
    }
    
    .feature-card {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .why-us-container {
        flex-wrap: wrap;
    }
    
    .why-item {
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 767px) {
    header {
        padding: 40px 15px;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    main {
        padding: 20px 15px;
    }
    
    .intro h2,
    .features h2,
    .steps h2,
    .why-us h2,
    .trust h2,
    .invoice h2,
    .instructions h2 {
        font-size: 1.5em;
    }
    
    .step-item,
    .why-item {
        min-width: 100%;
    }
}

@media (max-width: 768px) {
    header {
        padding: 40px 20px;
    }
    
    header h1 {
        font-size: 2em;
        letter-spacing: 0;
    }
    
    main {
        padding: 20px 15px;
    }
    
    .intro {
        padding: 30px 20px;
    }
    
    .intro h2 {
        font-size: 1.5em;
    }
    
    .products h2,
    .features h2,
    .steps h2,
    .why-us h2,
    .trust h2,
    .invoice h2,
    .instructions h2 {
        font-size: 1.5em;
        padding-bottom: 10px;
    }
    
    .products h2::after,
    .features h2::after,
    .steps h2::after,
    .why-us h2::after,
    .trust h2::after,
    .invoice h2::after,
    .instructions h2::after {
        width: 40px;
        height: 2px;
    }
    
    .action-button {
        padding: 14px 20px;
        min-width: 180px;
        font-size: 0.95em;
    }
    
    .action-buttons-container {
        gap: 15px;
    }
    
    .products-grid {
        gap: 20px;
    }
    
    .product-card {
        padding: 20px;
    }
    
    .step-item,
    .feature-card {
        padding: 20px 15px;
    }
    
    .intro,
    .products,
    .steps,
    .why-us,
    .trust,
    .invoice,
    .instructions {
        padding: 25px 15px;
        margin-bottom: 25px;
        border-radius: 6px;
    }
    
    .steps-container,
    .why-us-container {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }
    
    .step-item {
        max-width: 100%;
    }
    
    .instructions-content {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .instruction-step {
        max-width: 100%;
        margin-bottom: 20px;
    }
    
    .instruction-step:last-child {
        margin-bottom: 0;
    }
}

/* 我们的承诺样式 */
.trust {
    background: #f8fafc;
    padding: 40px 20px;
    border-radius: 16px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.trust h2 {
    text-align: center;
    color: #3b82f6;
    margin-bottom: 25px;
    font-size: 2em;
    font-weight: 700;
    position: relative;
}

.trust h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 3px;
    background: linear-gradient(90deg, #93c5fd, #3b82f6, #93c5fd);
    border-radius: 2px;
}

.trust-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

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

.trust-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    border: 1px solid #e5e7eb;
    position: relative;
    padding-left: 45px;
    transition: all 0.3s ease;
}

.trust-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.check-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    z-index: 2;
}

.check-icon.second {
    left: 22px;
    background: #3b82f6;
    z-index: 1;
}

.trust-card p {
    margin: 0;
    font-size: 14px;
    color: #374151;
    line-height: 1.5;
}

.trust-badge {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 2px solid #dbeafe;
    text-align: center;
    width: 200px;
}

.badge-icon {
    margin-bottom: 15px;
}

.trust-badge h3 {
    margin: 0 0 10px 0;
    color: #1e40af;
    font-size: 18px;
    font-weight: 600;
}

.trust-badge p {
    margin: 0;
    color: #64748b;
    font-size: 14px;
}

/* 正规发票服务样式 */
.invoice {
    background-color: #ffffff;
    padding: 60px 40px;
    border-radius: 12px;
    margin-bottom: 60px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.invoice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #4caf50, #2196f3);
}

.invoice h2 {
    text-align: center;
    color: #4caf50;
    margin-bottom: 40px;
    font-size: 2.5em;
    font-weight: 700;
    position: relative;
    padding-bottom: 20px;
}

.invoice h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4caf50, #2196f3);
    border-radius: 2px;
}

.invoice-content {
    max-width: 750px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.15), rgba(33, 150, 243, 0.15));
    padding: 40px;
    border-radius: 12px;
    position: relative;
    border: 1px solid rgba(76, 175, 80, 0.2);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.invoice-content::before {
    content: '📄';
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4caf50, #2196f3);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
}

.invoice-content p {
    margin-bottom: 25px;
    line-height: 1.8;
    color: #2c3e50;
    text-align: center;
    position: relative;
    z-index: 1;
    font-size: 1.1em;
}

.invoice-content p:last-child {
    margin-bottom: 0;
    font-weight: 500;
}

.invoice-content a {
    color: #5c6bc0;
    text-decoration: none;
    font-weight: bold;
    background-color: rgba(92, 107, 192, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.invoice-content a:hover {
    background-color: #5c6bc0;
    color: white;
    transform: translateY(-1px);
}

/* 使用说明样式 */
.instructions {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
}

.instructions h2 {
    text-align: center;
    color: #6a11cb;
    margin-bottom: 35px;
    font-size: 2.2em;
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.instructions h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, #6a11cb, #2575fc);
    border-radius: 2px;
}

.instructions-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.instruction-step {
    display: flex;
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
    border: 1px solid #e0e0e0;
    flex: 1;
    min-width: 250px;
    max-width: 450px;
    box-sizing: border-box;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(106, 17, 203, 0.2);
    border: 3px solid #ffffff;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.3em;
    color: #333;
    font-weight: 600;
}

.step-content p {
    margin-bottom: 12px;
    line-height: 1.6;
    color: #555;
    font-size: 0.95em;
}

.step-content .tip {
    color: #ff6b6b;
    font-weight: 500;
    background-color: #fff5f5;
    padding: 10px 14px;
    border-radius: 6px;
    display: inline-block;
    font-size: 0.9em;
    border-left: 3px solid #ff6b6b;
}