/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
    color: #333;
}
.container {
    width: 1000px;
    margin: 0 auto;
}

/* 导航栏样式 */
.header {
    height: 80px;
    background-color: #fff;
    border-bottom: 1px solid #eee;
}
.nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100%;
}
.nav-item {
    list-style: none;
}
.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: bold;
}
.nav-link:hover {
    color: #0066ff;
}

/* 主要内容样式 */
.main-content {
    padding: 40px 0;
}
.section {
    margin-bottom: 40px;
}
.section-title {
    font-size: 24px;
    color: #000;
    text-align: center;
    margin-bottom: 20px;
}
.section-line {
    width: 100px;
    height: 2px;
    background-color: #0066ff;
    margin: 0 auto 40px;
}

/* 产品网格样式 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.product-item {
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 5px;
}
.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 15px;
}
.product-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}
.product-description {
    font-size: 14px;
    line-height: 1.5;
}

/* 联系信息样式 */
.contact-info {
    display: flex;
    gap: 40px;
}
.contact-details {
    flex: 1;
}
.contact-item {
    margin-bottom: 20px;
}
.contact-label {
    font-weight: bold;
    margin-bottom: 5px;
}
.contact-form {
    flex: 1;
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 5px;
}
.form-group {
    margin-bottom: 15px;
}
.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
.form-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
}
.form-textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    resize: vertical;
    min-height: 100px;
}
.form-button {
    background-color: #0066ff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 3px;
    cursor: pointer;
}
.form-button:hover {
    background-color: #0052cc;
}

/* 页脚样式 */
.footer {
    background-color: #f5f5f5;
    padding: 10px 0;
    border-top: 1px solid #eee;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.footer-text {
    margin: 0;
    font-size: 14px;
    color: #666;
    text-align: center;
}

.footer-beian {
    margin: 5px 0 0 0;
    font-size: 14px;
    color: #666;
    text-align: center;
}

.beian-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: #666;
}

.beian-link:hover {
    color: #0066ff;
}

.beian-icon {
    width: 16px;
    height: 16px;
    margin-right: 5px;
    vertical-align: middle;
}