:root {
    --primary: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #C8E6C9;
    --secondary: #8D6E63;
    --secondary-dark: #6D4C41;
    --secondary-light: #D7CCC8;
    --text-primary: #333333;
    --text-secondary: #757575;
    --background: #F5F5F5;
    --card: #FFFFFF;
    --border: #E0E0E0;
    --success: #4CAF50;
    --error: #F44336;
    --info: #2196F3;
    --warning: #FFC107;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 10px 10px, rgba(76, 175, 80, 0.05) 1px, transparent 0),
        radial-gradient(circle at 20px 20px, rgba(141, 110, 99, 0.03) 1px, transparent 0);
    background-size: 30px 30px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 公告区域样式 */
.announcement-container {
    background-color: #FFF8E1;
    border: 1px solid #FFE082;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    position: relative;
    overflow: hidden;
}

.announcement-content {
    min-height: 40px;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.announcement-item {
    width: 100%;
    display: none;
    align-items: center;
    gap: 10px;
}

.announcement-item.active {
    display: flex;
}

.announcement-item i {
    color: #FF8F00;
}

.announcement-controls {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 5px;
}

.announcement-btn {
    background: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    color: #FF8F00;
    transition: var(--transition);
}

.announcement-btn:hover {
    background: white;
    transform: scale(1.1);
}

.announcement-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}

.announcement-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #FFE082;
    cursor: pointer;
    transition: var(--transition);
}

.announcement-indicator.active {
    background-color: #FF8F00;
    width: 24px;
    border-radius: 4px;
}

/* 轮播内容区域样式 */
.content-rotator {
    background-color: var(--card);
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    min-height: 200px;
    max-height: 300px;
}

.rotator-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rotator-item {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    flex-direction: column; /* 修改为列布局以支持标题 */
}

.rotator-item.active {
    display: flex;
}

.rotator-image {
    max-width: 1370px;
    max-height: 150px;
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.rotator-controls {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 5px;
}

.rotator-btn {
    background: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.rotator-btn:hover {
    background: white;
    transform: scale(1.1);
}

.rotator-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}

.rotator-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.rotator-dot.active {
    background-color: var(--primary);
    width: 30px;
    border-radius: 5px;
}

/* 轮播内容区域样式 - 修改为网格布局 */
.content-rotator {
    min-height: 300px;
    max-height: 300px;
}

.rotator-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    height: 100%;
    padding: 20px;
}

.rotator-item {
    display: none;
    width: 100%;
    height: 100%;
}

.rotator-item.active {
    display: block;
}

.rotator-text-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    padding: 20px;
    border-radius: 8px;
    background-color: var(--card);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.rotator-text-link:hover {
    background-color: rgba(76, 175, 80, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.rotator-text-content {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 100%;
}

.rotator-text-icon {
    font-size: 32px;
    color: var(--primary);
    flex-shrink: 0;
}

.rotator-text-info {
    flex: 1;
}

.rotator-text-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.rotator-text-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.rotator-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}

.rotator-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.rotator-dot.active {
    background-color: var(--primary);
    width: 30px;
    border-radius: 5px;
}

/* 轮播内容区域样式 - 新增标题样式 */
.content-rotator {
    min-height: 280px;
    max-height: 280px;
}

.rotator-title {
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 10px;
    text-align: center;
    padding: 0 10px;
    width: 100%;
}

.rotator-image {
    max-height: 180px;
}

/* 头部样式 - 一字布局（水平线性布局） */
.header {
    background-color: var(--card);
    box-shadow: var(--shadow);
    border-radius: 8px;
    margin: 15px 0;
    padding: 15px;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: space-between;
}

/* 语言切换按钮 */
.language-switch {
    margin-left: auto;
}

.language-switch .btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.language-switch .btn-sm:hover {
    background-color: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.language-switch .btn-sm i {
    margin-right: 5px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

.logo i {
    color: var(--primary);
    font-size: 24px;
}

.logo h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.music-player-container {
    flex-shrink: 0;
}

/* 材质包操作区域 */
.pack-operation-section {
    margin: 15px 0;
    background-color: var(--card);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.pack-operation-content {
    display: flex;
    gap: 20px;
    align-items: stretch;
}

.jar-drop-container {
    flex: 1;
    min-width: 300px;
}

.pack-controls-container {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.pack-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 200px;
}

/* JAR文件拖放区域 */
.jar-drop-area {
    background-color: var(--background);
    border: 2px dashed var(--border);
    border-radius: 8px;
    width: 100%;
    height: 100%;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    cursor: pointer;
}

.jar-drop-area:hover {
    border-color: var(--primary);
    background-color: rgba(76, 175, 80, 0.02);
}

.jar-drop-area.drag-over {
    border-color: var(--primary);
    background-color: rgba(76, 175, 80, 0.05);
}

.jar-drop-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
    padding: 20px;
}

.jar-drop-content i {
    color: var(--primary);
    transition: var(--transition);
}

.jar-drop-area:hover .jar-drop-content i {
    transform: scale(1.1);
}

.jar-drop-content h2 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.jar-drop-content p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}

.hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 5px;
    line-height: 1.3;
}

/* 按钮样式 */
.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    width: 100%;
    justify-content: center;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    background-color: var(--primary-light);
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}


/* 浏览区域 */
.browse-area {
    display: flex;
    gap: 20px;
    height: calc(100vh - 300px);
    min-height: 400px;
}

/* 文件夹树区域 */
.folder-tree-container {
    flex: 0 0 300px;
    background-color: var(--card);
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tree-controls {
    padding: 15px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tree-controls h3 {
    font-size: 16px;
    font-weight: 600;
}

.tree-content {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
}

/* 扁平化目录样式 */
.flat-directories {
    padding: 5px 0;
}

.directory-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.directory-item:hover {
    background-color: var(--primary-light);
}

.directory-item.selected {
    background-color: var(--primary-light);
    font-weight: 500;
    border-left: 3px solid var(--primary);
}

/* 根目录特殊样式 */
.directory-item.root-directory {
    background-color: rgba(76, 175, 80, 0.1);
    border-bottom: 1px solid var(--border);
    margin-bottom: 5px;
    font-weight: 600;
}

.directory-item.root-directory.selected {
    background-color: rgba(76, 175, 80, 0.2);
    border-left: 3px solid var(--primary);
}

.directory-item i {
    color: var(--warning);
    font-size: 14px;
    width: 16px;
}

/* 根目录图标使用不同的颜色 */
.directory-item.root-directory i {
    color: var(--primary);
}

.directory-path {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 资源预览区域 */
.resources-container {
    flex: 1;
    background-color: var(--card);
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.resources-header {
    padding: 15px;
    border-bottom: 1px solid var(--border);
}

.resources-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.search-container {
    position: relative;
    margin-bottom: 10px;
}

.search-input {
    width: 100%;
    padding: 8px 30px 8px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.clear-search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.clear-search-btn:hover {
    background-color: var(--background);
    color: var(--text-primary);
}

.current-path {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 搜索高亮样式 */
mark {
    background-color: #ffeb3b;
    color: #000;
    padding: 0 2px;
    border-radius: 2px;
}

/* 选择框美化样式 */
select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background-color: var(--card);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    appearance: none; /* 移除默认样式 */
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
    /* 添加玻璃拟态效果 */
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

select:hover {
    background-color: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 模态框中的表单组样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background-color: var(--card);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    /* 玻璃拟态效果 */
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    background-color: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.content-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
    align-content: flex-start;
    grid-auto-rows: minmax(200px, auto); /* 确保每行高度一致 */
}

/* 方形网格布局样式 */
.square-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

/* 文件项样式 */
.file-item {
    background-color: var(--background);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 200px; /* 增加最小高度以适应5行显示 */
}

.file-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.file-item-image {
    width: 100%;
    height: 120px; /* 稍微减小图片高度以适应更多行 */
    object-fit: contain;
    background-color: rgba(0, 0, 0, 0.03);
    padding: 8px;
}

.file-item-audio {
    width: 100%;
    padding: 8px;
    background-color: rgba(0, 0, 0, 0.03);
}

.file-item-info {
    padding: 8px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.file-item-name {
    font-weight: 500;
    font-size: 13px; /* 稍微减小字体以适应更多内容 */
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-path {
    font-size: 10px; /* 稍微减小字体以适应更多内容 */
    color: var(--text-secondary);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.file-item-menu {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    width: 20px; /* 稍微减小按钮大小 */
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.file-item-menu:hover {
    background-color: white;
    transform: scale(1.1);
}

.file-item-menu i {
    font-size: 10px; /* 稍微减小图标大小 */
    color: var(--text-secondary);
}

/* 空状态和加载状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    gap: 15px;
    text-align: center;
    padding: 20px;
}

.empty-state i {
    color: var(--secondary-light);
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--primary);
    gap: 10px;
}

.error {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--error);
    gap: 10px;
    text-align: center;
    padding: 20px;
}

/* 预览比较区域样式 */
.preview-comparison {
    display: flex;
    align-items: stretch;
    margin: 10px 0;
}

.preview-container {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin: 5px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
}

.preview-title {
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.preview-divider {
    width: 1px;
    background-color: #ddd;
    margin: 0 10px;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: rgba(255, 255, 255, 0.85); /* 浅色半透明背景 */
    backdrop-filter: blur(10px); /* 背景模糊效果 */
    -webkit-backdrop-filter: blur(10px); /* Safari兼容性 */
    width: 85%;
    max-width: 1000px;
    min-width: 700px;
    padding: 25px;
    margin: 2% auto;
    border-radius: 10px; /* 圆角 */
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1); /* 阴影效果 */
    border: 1px solid rgba(255, 255, 255, 0.2); /* 边框 */
    
    /* 添加过渡效果 */
    transition: var(--transition);
    
    /* 悬停效果 */
    &:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    }
    
    /* 确保预览区域适应大图片 */
    .preview-comparison {
        display: flex;
        gap: 20px;
    }
    
    .preview-container {
        flex: 1;
        min-height: 300px;
        max-height: 500px;
        overflow: auto;
        position: relative;
        
        /* 移除容器背景 */
        
        img {
            max-width: 100%;
            max-height: 400px;
            object-fit: contain;
            position: relative;
        }
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-modal:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.form-group textarea {
    resize: vertical;
}

/* 图标上传区域 */
.icon-upload-area {
    border: 2px dashed var(--border);
    border-radius: 4px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.icon-upload-area:hover {
    border-color: var(--primary);
    background-color: rgba(76, 175, 80, 0.02);
}

#preview-icon {
    max-width: 100%;
    max-height: 200px;
    border-radius: 4px;
    margin: 0 auto;
}

.icon-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

#preview-icon:not([style*="display: none"]) + #icon-placeholder {
    display: none;
}

/* 资源路径显示 */
.resource-path {
    background-color: var(--background);
    padding: 10px;
    border-radius: 4px;
    font-size: 13px;
    word-break: break-all;
    border: 1px solid var(--border);
}

/* 文件预览容器 */
.file-preview-container {
    margin-top: 15px;
    border-radius: 4px;
    overflow: hidden;
}

.file-preview {
    max-width: 100%;
    max-height: 200px;
    display: block;
    margin: 0 auto;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.audio-preview {
    width: 100%;
    margin-top: 10px;
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
}

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

/* 通知样式由JS动态添加 */

/* 响应式设计 - 一字布局和独立拖放区域 */
@media (max-width: 1200px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .logo {
        justify-content: center;
        width: 100%;
    }
    
    .music-player-container {
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .pack-controls {
        justify-content: center;
    }
    
    .jar-drop-area {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 12px;
    }
    
    .header-content {
        gap: 12px;
    }
    
    .pack-operation-section {
        padding: 15px;
    }
    
    .pack-controls {
        gap: 10px;
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .jar-drop-area {
        height: 160px;
    }
    
    .jar-drop-content {
        gap: 8px;
    }
    
    .jar-drop-content h2 {
        font-size: 1.1rem;
    }
    
    .jar-drop-content p {
        font-size: 0.8rem;
    }
    
    .hint {
        font-size: 0.7rem;
    }
    
    .music-player-container iframe {
        width: 100%;
        max-width: 300px;
        height: 66px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 10px;
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    .pack-operation-section {
        padding: 12px;
    }
    
    .pack-controls {
        gap: 8px;
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 12px;
        gap: 5px;
    }
    
    .jar-drop-area {
        height: 150px;
    }
    
    .jar-drop-content {
        gap: 6px;
    }
    
    .jar-drop-content i {
        font-size: 1.5rem;
    }
    
    .jar-drop-content h2 {
        font-size: 1rem;
    }
    
    .jar-drop-content p {
        font-size: 0.75rem;
    }
    
    .hint {
        font-size: 0.65rem;
    }
    
    .music-player-container iframe {
        width: 100%;
        max-width: 250px;
        height: 66px;
    }
}

/* 音乐播放器样式 */
.music-player-container {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        padding: 15px;
    }
    
    .controls {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .music-player-container iframe {
        width: 100%;
        max-width: 300px;
        height: 66px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 10px;
    }
    
    .controls {
        gap: 5px;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .music-player-container iframe {
        width: 100%;
        max-width: 250px;
        height: 66px;
    }
}

/* 音频转换功能样式 */
.audio-conversion-section {
    margin-top: 15px;
    padding: 15px;
    background-color: #f0f8ff;
    border-radius: 4px;
    border-left: 4px solid #4a6da7;
}

.audio-conversion-section h4 {
    margin-top: 0;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 8px;
}

.supported-formats {
    margin: 10px 0;
    padding: 8px;
    background-color: #e6f7ff;
    border-radius: 4px;
    font-size: 13px;
}

.supported-formats strong {
    color: #2c3e50;
}

.conversion-options {
    margin-top: 10px;
}

.conversion-options .btn {
    margin-right: 10px;
}

.conversion-progress {
    margin-top: 15px;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: #4a6da7;
    transition: width 0.3s ease;
}

#conversion-status {
    margin: 5px 0 0 0;
    font-size: 14px;
    color: #2c3e50;
    text-align: center;
}

/* 文件类型信息样式更新 */
.file-type-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background-color: #f0f8ff;
    border-radius: 4px;
    color: #0066cc;
    font-size: 14px;
    border-left: 4px solid #4a6da7;
}

/* 统计功能样式 */
.website-statistics-container {
    background-color: rgba(76, 175, 80, 0.1);
    border-top: 1px solid #4CAF50;
    padding: 10px 0;
    margin-top: 10px;
}

.website-statistics {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
}

.stats-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.stats-label {
    color: #666;
    font-weight: 500;
}

.stats-value {
    color: #4CAF50;
    font-weight: 600;
    min-width: 30px;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .website-statistics {
        flex-direction: column;
        gap: 5px;
        align-items: center;
    }
    
    .stats-item {
        gap: 8px;
    }
}

/* 响应式设计 - 材质包操作区域 */
@media (max-width: 1200px) {
    .pack-operation-content {
        flex-direction: column;
    }
    
    .jar-drop-container {
        min-width: 100%;
    }
    
    .pack-controls-container {
        width: 100%;
    }
    
    .pack-controls {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        min-width: 100%;
    }
    
    .btn {
        flex: 1;
        min-width: 150px;
    }
}

@media (max-width: 768px) {
    .pack-operation-section {
        padding: 15px;
    }
    
    .pack-controls {
        gap: 10px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 13px;
        min-width: 120px;
    }
    
    .jar-drop-area {
        min-height: 180px;
    }
    
    .jar-drop-content {
        gap: 8px;
    }
    
    .jar-drop-content h2 {
        font-size: 1.1rem;
    }
    
    .jar-drop-content p {
        font-size: 0.8rem;
    }
    
    .hint {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .pack-operation-section {
        padding: 12px;
    }
    
    .pack-controls {
        gap: 8px;
        flex-direction: column;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 12px;
        gap: 5px;
        min-width: 100%;
    }
    
    .jar-drop-area {
        min-height: 160px;
    }
    
    .jar-drop-content {
        gap: 6px;
    }
    
    .jar-drop-content i {
        font-size: 1.5rem;
    }
    
    .jar-drop-content h2 {
        font-size: 1rem;
    }
    
    .jar-drop-content p {
        font-size: 0.75rem;
    }
    
    .hint {
        font-size: 0.65rem;
    }
}