body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f9fbff;
}

/* 通用容器，控制最大宽度并居中 */
.container {
    max-width: 1000px;   /* 可以改成 1000px 或 1100px，看你喜欢 */
    margin: 0 auto;      /* 居中 */
    padding: 0 20px;     /* 左右留白 */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 顶部导航栏 */
.header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    padding: 15px 0;
}
.logo img {
    height: 50px;
}
.nav {
    display: flex;
    width: 100%;       /* 占满父容器 */
}

.nav a {
    flex: 1;            /* 平分导航栏 */
    text-align: center; /* 文字居中 */
    text-decoration: none;
    color: #007bff;     /* 默认文字颜色 */
    font-size: 16px;    /* 字体放大 */
    font-weight: 500;   /* 稍微加粗 */
    padding: 10px 0;    /* 上下留白 */
    transition: color 0.3s ease; /* 平滑过渡 */
}

.nav a:hover {
    color: #ff6600;     /* 鼠标悬停变色 */
}


/* 背景图 + 搜索 */
.hero {
    background: url('/../Public/img/background.jpg.svg') no-repeat center center/cover;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
}
.search-box {
    width: 90%;
    max-width: 500px;
}
.search-box input {
    width: 100%;
    padding: 12px 20px;
    border-radius: 30px;
    border: 1px solid #ddd;
    font-size: 16px;
    outline: none;
}

/* 产品按钮 */
.products .container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}
.products {
    margin: 40px 10px;
}
.products a {
    padding: 12px 20px;
    border: 1px solid #007bff;
    border-radius: 10px;
    text-decoration: none;
    font-size: 16px;
    color: #007bff;
    transition: all 0.3s;
}
.products a:hover {
    background: #007bff;
    color: #fff;
}
.products a.primary {
    background: #007bff;
    color: #fff;
}

/* 底部备案信息 */
.footer {
    padding: 20px 0;
    background: #f2f2f2;
    font-size: 14px;
    color: #666;
    text-align: center;
}
.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer li {
    display: inline-block;
    margin: 0 10px;
}
.footer img {
    width: 20px;
    height: auto;
    vertical-align: middle;
    margin-right: 5px;
}
.footer a {
    color: #666;
    text-decoration: none;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
        align-items: center;
    }
    .nav {
        margin-top: 10px;
        gap: 10px;
    }
    .hero {
        height: 200px;
    }
    .products .container {
        flex-direction: column;
        align-items: center;
    }
    .products a {
        width: 80%;
        margin: 10px 0;
        text-align: center;
    }
}
/* 底部备案信息 */
.footer {
    padding: 20px 0;
    background: #f2f2f2;
    font-size: 14px;
    color: #666;
    text-align: center;
}

/* 底部容器也限制宽度 */
.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;   /* 整体居中 */
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;             /* 横向排列 */
    gap: 20px;                 /* 项目之间间距 */
    align-items: center;
}

.footer li {
    display: flex;             /* li 内部图片+文字横向排列 */
    align-items: center;
    gap: 5px;
}

.footer img {
    width: 20px;
    height: auto;
    vertical-align: middle;
}

.footer a {
    color: #666;
    text-decoration: none;
}