/* 全局样式 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
    background-color: #f4f4f4;
}

/* 容器样式 */
.container {
    max-width: 1800px;
    width: 95%;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 标题样式 */
h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

/* 输入框样式 */
input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

/* 手机号码输入框特殊样式 */
.phone-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    min-height: 300px;
    resize: vertical;
    font-family: Arial, sans-serif;
}

/* 按钮样式 */
button {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    margin-bottom: 10px;
}

button:hover {
    background-color: #45a049;
}

/* 数据库内容样式 */
#dbContent {
    overflow-x: auto;
}

#dbContent table {
    width: 100%;
    border-collapse: collapse;
}

#dbContent th, #dbContent td {
    border: 1px solid #ddd;
    padding: 4px;
    text-align: left;
    word-break: break-all;
}

#dbContent th {
    background-color: #f2f2f2;
    font-weight: bold;
}

#dbContent tr:nth-child(even) {
    background-color: #f9f9f9;
}