.card {
    margin-bottom: 1.5rem;
}

.tags {
    margin-top: 0.5rem;
}

.tags .badge {
    margin-right: 0.25rem;
}

.tool-card {
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(0,0,0,.125);
    height: 100%;
}

.tool-card .card-body {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
}

.tool-card .card-title {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-card .card-text {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
    /* 文本超出显示省略号 */
    display: -webkit-box;
    -webkit-line-clamp: 1;  /* 只显示一行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;  /* 显示省略号 */
    max-width: 24ch;  /* 限制最大字符数为24个 */
    white-space: nowrap;  /* 强制单行显示 */
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    cursor: pointer;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-height: 70px;
    padding: 0.75rem 1rem;
}

.categories {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 1rem;
}

.categories .btn {
    border-radius: 20px;
    padding: 0.375rem 1rem;
}

.category-header {
    padding: 1rem 0;
}

.category-header h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.category-header p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.category-header hr {
    margin: 0;
    border-color: #eee;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50 !important;
    letter-spacing: 0.5px;
    padding: 0.5rem 0;
}

.navbar-brand:hover {
    color: #3498db !important;
    transition: color 0.3s ease;
}

.navbar {
    padding: 0.5rem 0;
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid #eee;
}

/* 可选：添加渐变背景 */
.navbar-brand span {
    background: linear-gradient(45deg, #2c3e50, #3498db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

/* 管理后台表格样式 */
.table td.text-end .btn-group {
    display: inline-flex;
    gap: 0.25rem;
}

.table td.text-end .btn {
    padding: 0.25rem 0.75rem;
}

/* 可选：鼠标悬停时的效果 */
.table td.text-end .btn:hover {
    transform: translateY(-1px);
    transition: transform 0.2s;
}

/* 分类导航样式 */
.category-nav {
    position: sticky;
    top: 1rem;
}

.category-nav .list-group-item {
    border-left: none;
    border-right: none;
    padding: 1rem;
}

.category-nav .list-group-item.active {
    background-color: #f8f9fa;
    border-color: #dee2e6;
    color: #2c3e50;
    font-weight: 600;
}

.category-nav .list-group-item:hover {
    background-color: #f8f9fa;
}

.category-nav small {
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* 调整工具卡片在三列布局下的样式 */
.row-cols-md-3 .tool-card {
    height: 100%;
}

/* 工具提示框样式 */
.tool-tooltip {
    font-size: 0.9rem;
    max-width: 300px;
    text-align: left;
    padding: 0.25rem;
    line-height: 1.5;
}

/* 自定义 Bootstrap 提示框样式 */
.tooltip-inner {
    max-width: 300px;
    padding: 0.75rem;
    background-color: rgba(33, 37, 41, 0.95);
    backdrop-filter: blur(4px);
    border-radius: 0.5rem;
}

/* 分类操作图标样式 */
.category-actions {
    opacity: 0.6;
    transition: opacity 0.2s;
}

.list-group-item:hover .category-actions {
    opacity: 1;
}

.category-actions .btn-link {
    text-decoration: none;
}

.category-actions .btn-link:hover {
    transform: scale(1.2);
    transition: transform 0.2s;
}

.category-actions .fa-edit:hover {
    color: #ffc107 !important;
}

.category-actions .fa-trash:hover {
    color: #dc3545 !important;
}

/* 工具操作图标样式 */
.tool-actions {
    opacity: 0.6;
    transition: opacity 0.2s;
}

.tool-card:hover .tool-actions {
    opacity: 1;
}

.tool-actions .btn-link {
    text-decoration: none;
}

.tool-actions .btn-link:hover {
    transform: scale(1.2);
    transition: transform 0.2s;
}

.tool-actions .fa-edit:hover {
    color: #ffc107 !important;
}

.tool-actions .fa-trash:hover {
    color: #dc3545 !important;
}

/* 分类工具数量徽章样式 */
.badge {
    font-weight: normal;
    font-size: 0.85rem;
}

.list-group-item .badge {
    background-color: #e9ecef !important;
    color: #6c757d !important;
}

.list-group-item:hover .badge {
    background-color: #dee2e6 !important;
}

/* 移动端导航栏优化 */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .navbar {
        padding: 0.5rem 1rem;
    }
}

/* 移动端分类导航优化 */
@media (max-width: 768px) {
    .category-nav {
        position: static;
        margin-bottom: 1rem;
    }
    
    .list-group-item {
        padding: 0.75rem;
    }
}

/* 移动端工具卡片优化 */
@media (max-width: 768px) {
    .tool-card {
        margin-bottom: 1rem;
    }
    
    .tool-card .card-body {
        padding: 0.75rem;
    }
    
    .tool-card .card-title {
        font-size: 1rem;
    }
    
    .tool-card .card-text {
        font-size: 0.85rem;
        -webkit-line-clamp: 3;
    }
    
    .tags .badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

/* 移动端间距优化 */
@media (max-width: 768px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .row {
        margin-left: -5px;
        margin-right: -5px;
    }
    
    .col, [class*="col-"] {
        padding-left: 5px;
        padding-right: 5px;
    }
}

/* 移动端触摸优化 */
@media (max-width: 768px) {
    .tool-card:hover {
        transform: none;
        box-shadow: none;
    }
    
    .tool-actions, .category-actions {
        opacity: 1;
    }
    
    .btn, .nav-link {
        padding: 0.5rem 0.75rem;
        min-height: 44px; /* 确保触摸目标足够大 */
    }
}

/* 移动端搜索框优化 */
@media (max-width: 768px) {
    .search-box {
        margin: 0.5rem 0;
    }
    
    .search-box input {
        font-size: 16px; /* 防止 iOS 自动缩放 */
        padding: 0.5rem;
    }
}

/* 移动端滚动优化 */
@media (max-width: 768px) {
    .category-nav {
        max-height: 200px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}
 
/* 自定义滚动条样式 */
::-webkit-scrollbar {
    width: 2px;  /* 滚动条宽度 */
}

::-webkit-scrollbar-track {
    background: #ffffff;  /* 轨道背景色 */
    border-radius: 1px;
}

::-webkit-scrollbar-thumb {
    background: #e0e0e0;  /* 滑颜色（浅灰色） */
    border-radius: 1px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d0d0d0;  /* 悬停时的颜色 */
}

/* 确保滚动条始终显示 */
html {
    overflow-y: scroll;
    scrollbar-width: thin;  /* Firefox */
    scrollbar-color: #e0e0e0 #ffffff;  /* Firefox */
}

body {
    min-height: 101vh;  /* 确保页面内容足够长以显示滚动条 */
}

/* 工具卡片布局 */
.tool-card .card-body {
    display: flex;
    align-items: center;
    padding: 1rem;
}

.tool-logo {
    flex: 0 0 40px;
    margin-right: 1rem;
}

.tool-info {
    flex: 1;
    min-width: 0;
}

/* Logo 样式 */
.tool-logo img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border: 1px solid #eee;
    border-radius: 4px;
}

.default-logo {
    width: 40px;
    height: 40px;
    background-color: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #6c757d;
}

/* 工具卡片基础样式 */
.tool-card {
    height: 100%;
}

/* 工具卡片布局 */
.tool-card .card-body {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
}

/* Logo 容器样式 */
.tool-logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

/* Logo 图片样式 */
.tool-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 1px solid #eee;
    border-radius: 4px;
}

/* 默认Logo样式 */
.default-logo {
    width: 100%;
    height: 100%;
    background-color: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #6c757d;
}

/* 工具信息区域样式 */
.tool-info {
    flex: 1;
    min-width: 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .tool-logo {
        width: 32px;
        height: 32px;
    }
    
    .tool-card .card-body {
        padding: 0.75rem;
        gap: 0.75rem;
    }
}

/* 管理页面工具卡片样式 */
.admin-tools .tool-card .card-body {
    padding: 1rem;
}

.admin-tools .tool-info {
    flex: 1;
    min-width: 0;
}

.admin-tools .tool-actions {
    flex-shrink: 0;
}

.admin-tools .card-title {
    font-size: 1rem;
    margin-right: 1rem;
}

.admin-tools .tool-logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

/* 工具详情页样式 */
.tool-detail-logo {
    flex-shrink: 0;
}

.tool-detail-logo img,
.tool-detail-logo .default-logo {
    width: 80px;
    height: 80px;
}

.tool-detail-info {
    flex: 1;
}

.tool-title {
    font-size: 1.75rem;
    color: #2c3e50;
}

.tool-description {
    font-size: 1rem;
    line-height: 1.6;
}

.tool-meta .badge {
    font-weight: normal;
    padding: 0.5rem 1rem;
}

/* 链接列表样式 */
.list-group-item {
    transition: background-color 0.2s;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

.list-group-item i {
    opacity: 0.6;
}

.list-group-item:hover i {
    opacity: 1;
}

/* 工具详情页直达按钮样式 */
.tool-header .btn-primary {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
    background-color: #3498db;  /* 更浅的蓝色 */
    border-color: #3498db;
    color: #fff;
}

.tool-header .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);  /* 匹配按钮颜色的阴影 */
    background-color: #2980b9;  /* 悬停时稍深 */
    border-color: #2980b9;
}

.tool-header .btn-primary:active {
    background-color: #2980b9;
    border-color: #2980b9;
    transform: translateY(0);
}

.tool-header .btn-primary:focus {
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);  /* 更浅的焦点阴影 */
}

/* 移动端适配 */
@media (max-width: 768px) {
    .tool-header .card-body {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .tool-header .tool-detail-logo {
        margin-bottom: 1rem;
    }
    
    .tool-header .btn-primary {
        margin-top: 1rem;
        margin-left: 0 !important;
        width: 100%;
    }
}

/* 后台管理侧边栏样式 */
.sidebar {
    min-height: calc(100vh - 60px);
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    padding-top: 1rem;
}

.sidebar .nav-link {
    color: #333;
    padding: 0.75rem 1rem;
    border-radius: 0.25rem;
    margin: 0.2rem 0;
}

.sidebar .nav-link:hover {
    background-color: #f8f9fa;
}

.sidebar .nav-link.active {
    background-color: #e9ecef;
    color: #2c3e50;
    font-weight: 500;
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
}

/* 分类管理页面样式 */
.table td {
    vertical-align: middle;
}

.table .btn-sm {
    padding: 0.25rem 0.5rem;
}

.table .badge {
    font-size: 0.875rem;
    padding: 0.5em 0.75em;
}

.table .fas {
    width: 16px;
    text-align: center;
}

/* 禁用按钮样式 */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 后台管理导航栏样式 */
.navbar {
    min-height: 70px;
    padding: 0.75rem 1rem;
}

.navbar-brand {
    font-size: 1.5rem;
    padding: 0.5rem 0;
}

.navbar .nav-link {
    padding: 0.75rem 1rem !important;
    font-size: 1rem;
}

/* 调整主体内容的上边距，以匹配更高的导航栏 */
.container-fluid[style*="margin-top"] {
    margin-top: 70px !important;
}

/* 调整导航栏中的图标和徽章 */
.navbar .badge {
    padding: 0.5em 0.75em;
    font-size: 0.875rem;
}

.navbar .fas {
    font-size: 1.1rem;
}

/* 调整导航栏中的间距 */
.navbar .ms-auto > * {
    margin-left: 1rem;
}

/* 登录页面样式 */
.login-page {
    background-color: #f8f9fa;
}

.login-page .card {
    border: none;
    border-radius: 10px;
}

.login-page .card-header {
    border-bottom: 1px solid #eee;
}

.login-page .form-control {
    padding: 0.75rem 1rem;
    border-radius: 6px;
}

.login-page .form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

.login-page .btn-primary {
    padding: 0.75rem;
    font-weight: 500;
}

/* 调整右侧内容区域的上边距 */
.col-md-10.ms-sm-auto {
    padding-top: 2rem !important;  /* 增加顶部内边距 */
}

/* 调整主体内容的上边距 */
.container-fluid[style*="margin-top"] {
    margin-top: 70px !important;  /* 保持导航栏下方的边距 */
}

/* 调整卡片的上边距 */
.card {
    margin-bottom: 1.5rem;
}

/* 页面标题区域的边距 */
.d-flex.justify-content-between.align-items-center {
    margin-bottom: 1.5rem !important;
}

/* 工具卡片网格布局样式 */
.row-cols-1.row-cols-md-3.g-4 {
    --bs-gutter-y: 1rem;  /* 减小上下间距 */
}

/* 工具卡片样式 */
.tool-card {
    height: 100%;
    margin-bottom: 0;  /* 移除底部边距 */
}

.tool-card .card-body {
    padding: 0.75rem;  /* 减小内边距 */
}

/* 移动端适配 */
@media (max-width: 768px) {
    .row-cols-1.row-cols-md-3.g-4 {
        --bs-gutter-y: 0.75rem;  /* 移动端更小的间距 */
    }
    
    .tool-card .card-body {
        padding: 0.5rem;  /* 移动端更小的内边距 */
    }
}

/* 教程列表样式 */
.table td {
    vertical-align: middle;
}

.table .badge {
    font-size: 0.75rem;
    padding: 0.25em 0.75em;
}

.table .btn-sm {
    padding: 0.25rem 0.75rem;
}

.table .fas {
    width: 16px;
    text-align: center;
}

/* 新教程标记样式 */
.badge.bg-danger {
    background-color: #dc3545 !important;
    color: white;
    font-weight: normal;
}

/* 教程列表行样式 */
.tutorial-row:hover {
    background-color: rgba(52, 152, 219, 0.05);
}

.tutorial-row td {
    transition: background-color 0.2s;
}