/* 添加表单加载和错误提示样式 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    display: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #e74c3c;
}
/* Banner样式 */
.product-banner {
    position: relative;
    color: white;
    padding: 150px 0 100px;
    margin-top: 70px;
    text-align: center;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 102, 204, 0.7);
    z-index: -1;
}

.product-banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.product-banner p {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto 30px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.success-message {
    display: none;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 15px;
    border-radius: 5px;
    margin-top: 15px;
}

.alert-message {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 5px;
}

    .alert-message.success {
        color: #155724;
        background-color: #d4edda;
        border-color: #c3e6cb;
    }

    .alert-message.error {
        color: #721c24;
        background-color: #f8d7da;
        border-color: #f5c6cb;
    }

/* 产品介绍样式 */
.product-intro {
    padding: 80px 0;
    background: #fff;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.intro-text {
    flex: 1;
}

    .intro-text h2 {
        font-size: 32px;
        color: #0066cc;
        margin-bottom: 20px;
    }

    .intro-text p {
        margin-bottom: 15px;
        line-height: 1.8;
    }

.intro-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    flex: 1 1 calc(50% - 20px);
    background: #f5f7fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #0066cc;
}

    .feature-item h3 {
        color: #0066cc;
        margin-bottom: 10px;
    }

.intro-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

    .intro-image img {
        width: 100%;
        height: auto;
        display: block;
    }

/* 功能模块样式 */
.product-features {
    padding: 80px 0;
    background: #f5f7fa;
}

.features-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

    .features-table th {
        background-color: #0066cc;
        color: white;
        padding: 15px;
        text-align: left;
        font-size: 18px;
    }

    .features-table td {
        padding: 15px;
        border-bottom: 1px solid #eee;
    }

.module-name {
    font-weight: bold;
    color: #0066cc;
    width: 20%;
}

.module-functions {
    width: 80%;
}

.function-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.function-tag {
    background: #f0f8ff;
    color: #0066cc;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 14px;
    border: 1px solid #d1e7ff;
}

/* 刀具管理可视化展示 */
.tool-management-visual {
    padding: 80px 0;
    background: #fff;
}

.visual-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.management-device {
    width: 200px;
    height: 250px;
    background: white;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #333;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

    .management-device:before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 10px;
        background: #0066cc;
    }

    .management-device h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .management-device p {
        font-size: 14px;
        text-align: center;
        padding: 0 10px;
    }

.device-icon {
    font-size: 60px;
    color: #0066cc;
    margin-bottom: 15px;
}

/* 系统对接展示 */
.system-integration {
    padding: 80px 0;
    background: #fff;
}

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

.integration-item {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eee;
}

    .integration-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        border-color: #0066cc;
    }

.integration-icon {
    font-size: 40px;
    color: #0066cc;
    margin-bottom: 15px;
}

.integration-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.integration-item p {
    color: #666;
    font-size: 14px;
}

/* 优势对比样式 */
.advantages {
    padding: 80px 0;
    background: #f5f7fa;
}

.advantages-content {
    display: flex;
    gap: 40px;
}

.before-after {
    flex: 1;
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

    .before-after h3 {
        text-align: center;
        color: #0066cc;
        margin-bottom: 30px;
        font-size: 24px;
    }

.comparison-item {
    margin-bottom: 25px;
}

    .comparison-item h4 {
        margin-bottom: 10px;
        color: #333;
    }

.before {
    background: #ffe6e6;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 10px;
    position: relative;
}

    .before:before {
        content: '传统方式';
        position: absolute;
        top: -10px;
        left: 10px;
        background: #ff6b6b;
        color: white;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 12px;
    }

.after {
    background: #e6ffe6;
    padding: 15px;
    border-radius: 4px;
    position: relative;
}

    .after:before {
        content: '使用TMS后';
        position: absolute;
        top: -10px;
        left: 10px;
        background: #4caf50;
        color: white;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 12px;
    }

.advantages-list {
    flex: 1;
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

    .advantages-list h3 {
        text-align: center;
        color: #0066cc;
        margin-bottom: 30px;
        font-size: 24px;
    }

.advantage-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

    .advantage-item i {
        color: #0066cc;
        font-size: 20px;
        margin-right: 15px;
        margin-top: 5px;
    }

/* 英文版样式 */
body.en {
    font-family: Arial, sans-serif;
}

.lang-zh {
    display: block;
}

.lang-en {
    display: none;
}

body.en .lang-zh {
    display: none;
}

body.en .lang-en {
    display: block;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .intro-content {
        flex-direction: column;
    }

    .advantages-content {
        flex-direction: column;
    }

    .features-table {
        display: block;
        overflow-x: auto;
    }
}

@media (max-width: 768px) {
    .product-banner h1 {
        font-size: 36px;
    }

    .product-banner p {
        font-size: 18px;
    }

    .industry-grid, .integration-grid {
        grid-template-columns: 1fr;
    }

    .feature-item {
        flex: 1 1 100%;
    }

    .visual-container {
        flex-direction: column;
    }
}
 /* 新增报价部分样式 */
        .pricing-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            padding: 80px 0;
            position: relative;
        }
        
        .pricing-cards {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 50px;
        }
        
        .pricing-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            padding: 40px 30px;
            width: 100%;
            max-width: 500px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }
        
        .pricing-card.basic {
            border-top: 5px solid #3498db;
        }
        
        .pricing-card.advanced {
            border-top: 5px solid #e74c3c;
            transform: scale(1.05);
        }
        
        .pricing-card.advanced:hover {
            transform: scale(1.05) translateY(-10px);
        }
        
        .pricing-card h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: #2c3e50;
        }
        
        .price-tag {
            font-size: 42px;
            font-weight: 700;
            margin: 25px 0;
            color: #2c3e50;
        }
        
        .price-tag span {
            font-size: 16px;
            font-weight: normal;
            color: #7f8c8d;
        }
        
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 30px 0;
        }
        
        .pricing-features li {
            padding: 12px 0;
            border-bottom: 1px solid #ecf0f1;
            position: relative;
            padding-left: 30px;
        }
        
        .pricing-features li:before {
            content: "✓";
            color: #2ecc71;
            position: absolute;
            left: 0;
            font-weight: bold;
        }
        
        .pricing-features li.disabled {
            color: #bdc3c7;
        }
        
        .pricing-features li.disabled:before {
            content: "−";
            color: #bdc3c7;
        }
        
        .pricing-btn {
            display: block;
            width: 100%;
            padding: 15px;
            text-align: center;
            background: #3498db;
            color: white;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: background 0.3s ease;
            margin-top: 20px;
            border: none;
            cursor: pointer;
            font-size: 16px;
        }
        
        .pricing-card.advanced .pricing-btn {
            background: #e74c3c;
        }
        
        .pricing-btn:hover {
            background: #2980b9;
        }
        
        .pricing-card.advanced .pricing-btn:hover {
            background: #c0392b;
        }
        
        .pricing-note {
            text-align: center;
            margin-top: 30px;
            color: #7f8c8d;
            font-size: 14px;
        }
        
        .recommended-badge {
            position: absolute;
            top: 20px;
            right: -30px;
            background: #e74c3c;
            color: white;
            padding: 5px 40px;
            transform: rotate(45deg);
            font-size: 12px;
            font-weight: bold;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .pricing-card.advanced {
                transform: scale(1);
            }
            
            .pricing-card.advanced:hover {
                transform: translateY(-10px);
            }
        }
        
        @media (max-width: 768px) {
            .pricing-cards {
                flex-direction: column;
                align-items: center;
            }
            
            .pricing-card {
                max-width: 100%;
            }
        }
/* 行业应用样式 */
.industry-applications {
    padding: 80px 0;
    background: #f5f7fa;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.industry-item {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

    .industry-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

.industry-icon {
    font-size: 50px;
    color: #0066cc;
    margin-bottom: 20px;
}

.industry-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.industry-item p {
    color: #666;
}

/* 系统对接展示 */
.system-integration {
    padding: 80px 0;
    background: #fff;
}

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

.integration-item {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eee;
}

    .integration-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        border-color: #0066cc;
    }

.integration-icon {
    font-size: 40px;
    color: #0066cc;
    margin-bottom: 15px;
}

.integration-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.integration-item p {
    color: #666;
    font-size: 14px;
}