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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #ffffff;
    color: #333333;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    text-align: center;
    margin-bottom: 50px;
    padding: 30px 0;
    border-bottom: 1px solid #f0f0f0;
}

.company-name {
    font-size: 2.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
    font-weight: 300;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
}

.payment-section {
    text-align: center;
}

.section-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 40px;
    font-weight: 500;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.payment-card {
    background: #ffffff;
    border: 2px solid #e8f4f8;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.payment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-color: #1677FF;
}

.alipay-card:hover {
    border-color: #1677FF;
}

.wechat-card:hover {
    border-color: #07C160;
}

.payment-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.payment-card:hover .payment-icon {
    transform: scale(1.1);
}

.alipay-card .payment-icon {
    background: rgba(22, 119, 255, 0.1);
}

.wechat-card .payment-icon {
    background: rgba(7, 193, 96, 0.1);
}

.icon {
    width: 48px;
    height: 48px;
}

.payment-card h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 500;
}

.payment-card p {
    color: #7f8c8d;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.payment-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.alipay-btn {
    background: linear-gradient(135deg, #1677FF 0%, #0958d9 100%);
    box-shadow: 0 4px 15px rgba(22, 119, 255, 0.3);
}

.wechat-btn {
    background: linear-gradient(135deg, #07C160 0%, #06ad56 100%);
    box-shadow: 0 4px 15px rgba(7, 193, 96, 0.3);
}

.payment-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.alipay-btn:hover {
    box-shadow: 0 6px 20px rgba(22, 119, 255, 0.4);
}

.wechat-btn:hover {
    box-shadow: 0 6px 20px rgba(7, 193, 96, 0.4);
}

.info-section {
    background: #fafbfc;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.info-section h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 30px;
    font-weight: 500;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    border: 1px solid #e8f4f8;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    color: #52c41a;
    font-weight: bold;
    font-size: 18px;
}

.footer {
    background: #f8f9fa;
    padding: 40px 20px;
    border-radius: 16px;
    text-align: center;
    margin-top: auto;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-label {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.contact-value {
    color: #2c3e50;
    font-weight: 500;
}

.copyright {
    color: #95a5a6;
    font-size: 0.9rem;
    margin-top: 20px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    animation: modalSlideIn 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #bdc3c7;
    transition: color 0.3s ease;
}

.close:hover {
    color: #2c3e50;
}

.modal-content h3 {
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 1.6rem;
    font-weight: 500;
}

.qr-placeholder {
    margin-bottom: 30px;
}

.qr-code {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #6c757d;
    transition: all 0.3s ease;
}

.qr-code:hover {
    border-color: #1677FF;
    background: linear-gradient(135deg, rgba(22, 119, 255, 0.05) 0%, rgba(9, 88, 217, 0.05) 100%);
}

#payment-instruction {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.payment-info {
    text-align: left;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.payment-info p {
    margin: 10px 0;
    color: #495057;
    font-size: 0.95rem;
}

.payment-info strong {
    color: #2c3e50;
}

.confirm-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.confirm-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

@media (max-width: 768px) {
    .company-name {
        font-size: 1.8rem;
    }
    
    .payment-options {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 20% auto;
        padding: 30px 20px;
    }
}