/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "微软雅黑", Arial, sans-serif;
}

body {
    background-color: #f5f7fa;
    line-height: 1.6;
}

/* 容器样式 */
.container {
    width: 600px;
    margin: 50px auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.05);
}

/* 头部样式 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.user-info {
    text-align: right;
}

/* 标题样式 */
h2 {
    color: #4472C4;
    font-size: 22px;
    margin-bottom: 10px;
}

h3 {
    color: #333;
    font-size: 18px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: inline-block;
    width: 120px;
    color: #666;
    font-size: 14px;
    margin-right: 10px;
}

.form-group input,
.form-group select {
    width: calc(100% - 130px);
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn.primary {
    background-color: #4472C4;
    color: #fff;
}

.btn.primary:hover {
    background-color: #355a9a;
}

.btn.secondary {
    background-color: #f2f2f2;
    color: #666;
    margin-left: 10px;
}

.btn.secondary:hover {
    background-color: #e6e6e6;
}

.btn.download {
    background-color: #28a745;
    color: #fff;
    padding: 12px 30px;
    font-size: 16px;
}

.btn.download:hover {
    background-color: #218838;
}

.btn.logout {
    background-color: #dc3545;
    color: #fff;
    padding: 8px 15px;
    font-size: 13px;
}

.btn.logout:hover {
    background-color: #c82333;
}

/* 提示框样式 */
.alert {
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}