body {
    font-family: Arial, sans-serif;
    margin: 0 auto;
    max-width: 1200px;
    padding: 20px;
    text-align: center;
}

.breadcrumb {
    margin-bottom: 10px;
    text-align: left;
}

.breadcrumb a {
    text-decoration: none;
    color: #007BFF;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: #333;
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.brand-header-logo {
    width: 100px; /* 固定宽度 */
    height: auto; /* 高度自适应，保持长宽比 */
    max-width: 150px; /* 最大宽度限制 */
    max-height: 150px; /* 最大高度限制 */
    display: block;
}

.search-box {
    width: 100%;
    max-width: 400px;
    padding: 10px;
    margin: 10px auto;
    display: block;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.brand-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    justify-items: center;
    align-items: center;
    margin: 0 auto;
}

.brand-list li {
    text-align: center;
}

.brand-list img {
    max-width: 150px;
    max-height: 150px;
    width: auto;
    height: auto;
    display: block;
}

.brand-name {
    font-size: 48px;
    color: #333;
    word-break: break-all;
    max-width: 150px;
}

.folder-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    justify-items: center;
    margin: 0 auto;
}

.folder-item {
    text-align: center;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f9f9f9;
    width: 150px;
}

.folder-icon {
    font-size: 48px;
    display: block;
}

.folder-name {
    font-size: 16px;
    color: #333;
    word-break: break-all;
    max-width: 150px;
}

.folder-item a {
    text-decoration: none;
    color: #333;
}

.folder-item a:hover {
    color: #007BFF;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #007BFF;
}

/* 后台表单样式 */
form {
    margin-top: 20px;
}

input, select, button {
    display: block;
    margin: 10px 0;
    padding: 8px;
    width: 100%;
    max-width: 300px;
}

button {
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

/* ... 保持之前的样式不变，添加或修改以下内容 ... */

.management-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 20px auto;
    max-width: 1200px;
}

.dialog-box {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    background-color: #f9f9f9;
    text-align: left;
}

.dialog-box h2 {
    font-size: 18px;
    margin-bottom: 10px;
}

.dialog-box input,
.dialog-box select {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 8px;
    box-sizing: border-box; /* 确保宽度包含边框 */
}

.dialog-box button {
    width: 100%;
    padding: 8px;
}

.error {
    color: red;
    margin: 10px 0;
}

.success {
    color: green;
    margin: 10px 0;
}

/* ... 保持之前的样式不变，添加以下内容 ... */

.top-links {
    margin: 10px 0;
    text-align: right;
}

.top-links a {
    text-decoration: none;
    color: #007BFF;
}

.top-links a:hover {
    text-decoration: underline;
}

/* ... 保持之前的样式不变，添加以下内容 ... */

.not-found {
    margin: 20px 0;
    text-align: center;
}

.not-found form {
    margin-top: 10px;
}

.management-container h3 {
    font-size: 16px;
    margin-bottom: 10px;
}

.management-container p {
    margin: 5px 0;
}

.management-container button {
    padding: 4px 8px;
    font-size: 12px;
}