/* 通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'Heiti SC', tahoma, arial, 'Hiragino Sans GB', sans-serif;
    color: #333;
    line-height: 1.5;
}

.w {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Banner 样式 */
.banner {
    width: 100%;
    height: 400px;
    position: relative;
    overflow: hidden;
}

.banner_img {
    width: 100%;
    height: 100%;
    position: relative;
}

.banner_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.banner_img:hover img {
    transform: scale(1.05);
}

.banner_text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 1;
}

.banner_text h1 {
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* 产品内容样式 */
.detail {
    padding: 40px 0;
}

.product1 {
    margin-bottom: 40px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    transition: transform 0.3s ease;
}

.product1:hover {
    transform: translateY(-5px);
}

.product_title1 h2 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eee;
}

.product_content1 p {
    margin-bottom: 20px;
    line-height: 1.8;
    text-align: justify;
}

.product_content1_img {
    text-align: center;
    margin: 20px 0;
}

.product_content1_img img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product_content1_img img:hover {
    transform: scale(1.02);
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 40px 0 0;
}

.container-footer-all {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-body {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.colum1, .colum2, .colum3 {
    flex: 1;
    min-width: 300px;
    margin-bottom: 20px;
    padding: 0 20px;
}

.colum1 h1, .colum2 h1, .colum3 h1 {
    font-size: 1.5em;
    margin-bottom: 20px;
}

.colum1 p {
    line-height: 1.6;
}

.colum2 .row {
    margin-bottom: 15px;
}

.colum2 a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.colum2 a:hover {
    color: #ddd;
}

.colum3 .row2 {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.colum3 img {
    width: 20px;
    margin-right: 10px;
}

.container-footer {
    background-color: #222;
    padding: 20px 0;
}

.footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.copyright {
    color: #fff;
    margin: 10px 0;
    display: inline-block;
}

.copyright a {
    color: #fff;
    text-decoration: none;
    margin: 0 5px;
    transition: color 0.3s ease;
}

.copyright a:hover {
    color: #ddd;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .w {
        padding: 0 15px;
    }
}

@media (max-width: 992px) {
    .banner {
        height: 300px;
    }
    
    .banner_text h1 {
        font-size: 2em;
    }
    
    .product_title1 h2 {
        font-size: 1.5em;
    }
}

@media (max-width: 768px) {
    .banner {
        height: 250px;
    }
    
    .banner_text h1 {
        font-size: 1.8em;
    }
    
    .container-body {
        flex-direction: column;
    }
    
    .colum1, .colum2, .colum3 {
        width: 100%;
    }
    
    .footer {
        text-align: center;
        padding: 10px 20px;
    }
}

@media (max-width: 576px) {
    .banner {
        height: 200px;
    }
    
    .banner_text h1 {
        font-size: 1.5em;
    }
    
    .product1 {
        padding: 20px;
    }
    
    .product_title1 h2 {
        font-size: 1.3em;
    }
}