body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

.top-bar {
    background-color: white;
    color: black;
    padding: 10px 0;
    text-align: left;
    position: relative;
}

.top-bar-content {
    width: 80%;
    margin: 0 auto;
}

.top-bar h2 {
    margin: 0;
    font-size: 20px;
}

.blue-bar {
    height: 5px;
    background-color: #007bff;
    width: 100%;
    position: absolute;
    bottom: 0;
}

.auth-container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin: 20px auto;
    width: 80%;
    max-width: 400px;
}

.auth-header {
    text-align: center;
    margin-bottom: 20px;
}

.auth-header h1 {
    margin: 0;
    font-size: 24px;
}

.switch-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}

.switch-button {
    flex: 1;
    padding: 10px;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.3s, color 0.3s;
    background-color: transparent;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin: 0 5px;
    text-decoration: none;
    color: #333;
}

.switch-button:hover {
    border-color: #007bff;
    color: #007bff;
}

.form-container {
    display: none;
}

.form-container form {
    display: flex;
    flex-direction: column;
}

.form-container label {
    margin-bottom: 5px;
    font-size: 14px;
}

.form-container input {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
}

.form-container button {
    padding: 10px;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.3s, color 0.3s;
    background-color: transparent;
    border: 1px solid #ccc;
    border-radius: 5px;
    color: #333;
}

.form-container button:hover {
    border-color: #007bff;
    color: #007bff;
}

.form-container p {
    margin-top: 10px;
    font-size: 14px;
}

.form-container p a {
    color: #007bff;
    text-decoration: none;
}

.form-container p a:hover {
    text-decoration: underline;
}
.logo-section {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ccc;
    display: flex;
    justify-content: center;
    align-items: center;
}
.logo-container {
    text-align: center;
    background-color: #f4f4f4; /* 灰色背景 */
    padding: 10px; /* 内边距 */
    border-radius: 10px; /* 圆角 */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); /* 阴影效果 */
    display: inline-block; /* 确保容器大小适应内容 */
    width: 80px; /* 设置正方形宽度 */
    height: 80px; /* 设置正方形高度 */
}
.logo {
    font-size: 16px; /* 字体大小 */
    font-weight: bold;
    color: #007bff;
    margin-top: 5px; /* 增加顶部间距 */
}
.cloud {
    width: 40px; /* 圆形大小 */
    height: 40px; /* 圆形大小 */
    background-color: #007bff;
    border-radius: 50%;
    position: relative;
    margin: 0 auto; /* 居中显示 */
}
.cloud::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 50%;
}