* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

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

/* 顶部导航 */
.header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

/* 横幅 */
.banner {
    background: #f5f5f5;
    padding: 50px 0;
    text-align: center;
}

.banner-content h1 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.banner-content .highlight {
    color: #00bcd4;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

.banner-content p {
    color: #7f8c8d;
    margin-bottom: 5px;
}

.banner-images {
    margin-top: 30px;
}

.banner-images img {
    max-width: 100%;
    height: auto;
}

/* 关于我们 */
.about {
    padding: 60px 0;
    text-align: center;
}

.about h2 {
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 20px;
}

.about p {
    color: #7f8c8d;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
    width: 120px;
}

.feature-item .icon {
    font-size: 30px;
    color: #00bcd4;
    margin-bottom: 10px;
}

.feature-item h3 {
    font-size: 14px;
    color: #2c3e50;
}

/* 产品展示 */
.products {
    padding: 60px 0;
    background: #f9f9f9;
}

.products h2 {
    text-align: center;
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 40px;
}

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

.product-item {
    background: #fff;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product-item img {
    max-width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 15px;
}

.product-item h3 {
    font-size: 14px;
    color: #2c3e50;
}

/* 新闻动态 */
.news {
    padding: 60px 0;
}

.news h2 {
    text-align: center;
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 40px;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.main-news {
    background: #fff;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.main-news img {
    max-width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 15px;
}

.main-news h3 {
    font-size: 16px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.main-news p {
    color: #7f8c8d;
    font-size: 14px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    background: #fff;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.news-item h3 {
    font-size: 14px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.news-item p {
    color: #7f8c8d;
    font-size: 12px;
}

/* 页脚 */
.footer {
    background: #222;
    color: #fff;
    padding: 30px 0;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left h3 {
    font-size: 16px;
    margin-bottom: 15px;
}

.footer-left p {
    font-size: 12px;
    line-height: 1.6;
    max-width: 500px;
}

.footer-right {
    text-align: right;
}

.contact-btn {
    background: #ff4444;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 15px;
}

.contact-info p {
    font-size: 12px;
    margin-bottom: 5px;
}

/* ICP备案号极简样式 */
.icp-footer {
    text-align: center; /* 居中显示 */
    padding: 15px 0;    /* 上下留白，不拥挤 */
    font-size: 14px;    /* 合规字号 */
    color: #666;        /* 浅灰色，不突兀 */
}
.icp-footer a {
    color: #666;        /* 链接颜色和文字一致 */
    text-decoration: none; /* 去掉下划线 */
}
.icp-footer a:hover {
    text-decoration: underline; /* 鼠标悬浮加下划线，提示可点击 */
}