/* 强制修复布局：头部、导航、注册框 全部 上下垂直排列 */
body {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
}
/* 注册区域独立成行，居中显示 */
.register-container {
    display: block !important;
    margin: 30px auto !important;
    float: none !important;
    clear: both !important;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    background-color: #ffffff;
}

.register-container {
    background: #fff;
    padding: 20px 25px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    width: 460px;
}

h2 {
    text-align: center;
    font-size: 20px;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    font-size: 14px;
    font-weight: bold;
    display: block;
    margin-bottom: 4px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 14px;
}



.form-group input:focus,
.form-group textarea:focus {
    border-color: #409eff;
    outline: none;
}

.error-message {
    color: #f56c6c;
    font-size: 12px;
    height: 16px;
    margin-top: 2px;
}

.radio-group {
    display: flex;
    gap: 12px;
    align-items: center;
}

.submit-group {
    text-align: center;
    margin-top: 18px;
}

.submit-button {
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
}

.submit-image {
    width: 110px;
    cursor: pointer;
    display: block;
}