/* 发卡页面专用样式 */
.card-shop-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 80px 0;
    min-height: 100vh;
}

.card-shop-title {
    text-align: center;
    margin-bottom: 40px;
}

.card-shop-title .main {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
}

.card-shop-title .sub {
    font-size: 18px;
    color: #888;
    letter-spacing: 2px;
}

.card-shop-description {
    text-align: center;
    margin-bottom: 60px;
}

.card-shop-description p {
    font-size: 18px;
    color: #ccc;
    max-width: 600px;
    margin: 0 auto;
}

/* 卡片网格 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* 卡片样式 */
.card-item {
    background: linear-gradient(145deg, #2a2a2a, #1e1e1e);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.card-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #f7931e);
}

.card-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: #ff6b35;
}

.card-item.popular {
    border-color: #ff6b35;
    transform: scale(1.05);
}

.card-item.popular::before {
    background: linear-gradient(90deg, #ff6b35, #f7931e, #ff6b35);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.card-header {
    margin-bottom: 20px;
}

.card-header h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 10px;
    font-weight: bold;
}

.price {
    font-size: 36px;
    color: #ff6b35;
    font-weight: bold;
    margin-bottom: 5px;
}

.price-currency {
    font-size: 18px;
    vertical-align: top;
}

.card-content {
    margin-bottom: 25px;
}

.card-content p {
    color: #ccc;
    margin-bottom: 8px;
    font-size: 14px;
}

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

.card-features li {
    color: #aaa;
    margin-bottom: 5px;
    font-size: 14px;
    position: relative;
    padding-left: 20px;
}

.card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

.buy-btn {
    background: linear-gradient(45deg, #ff6b35, #f7931e);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.buy-btn:hover {
    background: linear-gradient(45deg, #e55a2b, #e8841a);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.4);
}

.buy-btn:active {
    transform: translateY(0);
}

/* 服务特色 */
.card-shop-features {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.card-shop-features h3 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 40px;
    font-weight: bold;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-item h4 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: bold;
}

.feature-item p {
    color: #ccc;
    font-size: 14px;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
    
    .card-item {
        padding: 20px;
    }
    
    .card-shop-title .main {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid #333;
    border-top: 4px solid #ff6b35;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误提示 */
.error-message {
    background: #f44336;
    color: white;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    text-align: center;
}

/* 成功提示 */
.success-message {
    background: #4CAF50;
    color: white;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    text-align: center;
}