/* 基础样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f9f9f9;
}

h1, h2 {
    color: #333;
    margin: 20px 0;
}

/* 容器样式 */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

 

/* 表单样式 */
form {
    margin: 20px 0;
    padding: 15px;
    background: #f5f5f5;
    border-radius: 5px;
}

input, select, button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

button {
    background: #007BFF;
    color: white;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

th {
    background: #f0f0f0;
}

/* 响应式表格 */
@media (max-width: 600px) {
    table, thead, tbody, th, td, tr {
        display: block;
    }

    th {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    tr {
        border: 1px solid #ccc;
    }

    td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 50%;
    }

    td:before {
        position: absolute;
        top: 6px;
        left: 6px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        content: attr(data-label);
    }
}

/* 组件样式 */
.component {
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #f8f9fa;
}

.component select,
.component input {
    margin-right: 10px;
}

.component button {
    background: #dc3545;
    padding: 5px 10px;
}

.component button:hover {
    background: #c82333;
}

/* 响应式布局 */
@media (max-width: 768px) {
    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    nav a {
        display: block;
        margin: 10px 0;
    }

    .container {
        padding: 10px;
    }

    form {
        padding: 10px;
    }

    input, select, button {
        font-size: 14px;
    }

}