/* 基础样式 */
body {
    background-color: #000;
    color: #ddd;
    font-family: "Helvetica Neue", Arial, sans-serif;
}

.body {
    padding-top: 5px;
    background-color: #222;
}

/* 标题样式 */
h1, h2, h3, h4, h5 {
    color: #999;
}

/* 链接样式 */
a, a:focus, a:active, a:hover {
    color: #ddd;
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

/* 按钮样式 - 更新为Bootstrap 5兼容 */
.btn-secondary, .btn-default {
    color: #ddd;
    background-color: #222;
    border-color: #444;
}

.row .btn-secondary, .row .btn-default {
    margin: 0.25em;
}

/* 警告框样式 - 更新为Bootstrap 5兼容 */
.alert-info {
    color: #ddd;
    background-color: #444;
    border-color: #444;
}

/* 栅格系统调整 */
.col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9,
.col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9,
.col-sm-1, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9,
.col-xs-1, .col-xs-10, .col-xs-11, .col-xs-12, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9 {
    padding-right: 8px;
    padding-left: 8px;
}

/* 导航栏样式 - 更新为Bootstrap 5兼容 */
.navbar {
    margin-bottom: 10px;
}

.navbar-brand img {
    max-height: 40px;
}

/* 导航标签样式 - 更新为Bootstrap 5兼容 */
.nav-tabs {
    border-bottom: 1px solid #222;
}

.nav-tabs .nav-link {
    color: #ddd;
}

.nav-tabs .nav-link:focus,
.nav-tabs .nav-link:hover,
.nav-tabs .nav-link:active {
    background-color: #222;
    border: 1px solid #222;
}

.nav-tabs .nav-item.active .nav-link,
.nav-tabs .nav-link.active,
.nav-tabs .nav-item.active .nav-link:focus,
.nav-tabs .nav-link.active:focus,
.nav-tabs .nav-item.active .nav-link:hover,
.nav-tabs .nav-link.active:hover {
    border: 1px solid #222;
    background-color: #222;
    color: #ddd;
}

.nav-tabs .nav-item.active .nav-link:active,
.nav-tabs .nav-link.active:active {
    border: 1px solid #222;
    background-color: #222;
    color: #ddd;
}

/* 视频项目样式 */
.item {
    cursor: pointer;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
    position: relative;
}

.item img {
    width: 100%;
}

/* 标题样式 */
.title h3 {
    width: auto;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.title h4 {
    width: auto;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.title h5 {
    width: auto;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: pre-line;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.title a {
    color: #f90;
}

/* 信息样式 */
.info p {
    color: #888;
    width: auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.info a {
    color: #ddd;
}

/* 缩略图样式 - 更新为Bootstrap 5兼容 */
.thumbnail, .card {
    width: 100%;
    background-color: #222;
    padding: 0;
    border-width: 0;
    border-radius: 0;
}

.thumbnail .caption, .card-body {
    padding: 3px;
}

/* 图片样式 */
.image {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
    position: relative;
    background-color: #333;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50%;
}

.image_12_5 {
    width: 100%;
    height: 0;
    padding-bottom: 12.5%;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50%;
}

.image_25 {
    width: 100%;
    height: 0;
    padding-bottom: 25%;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50%;
}

.image_1-1 {
    width: 100%;
    height: 0;
    padding-bottom: 100%;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50%;
}

.image img {
    width: 100%;
}

/* 标记覆盖层样式 */
.marker-overlays {
    position: absolute;
    right: 0;
    bottom: 0;
    height: 18px;
    background: #181818;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    z-index: 5;
    overflow: hidden;
    cursor: default;
}

.marker-overlays .duration {
    padding-top: 2px;
    float: right;
    padding: 0 5px;
}

.marker-overlays .hd-thumbnail {
    font-weight: 900;
    padding-top: 1px;
    float: right;
    padding: 0 5px;
}

/* 面板样式 - 更新为Bootstrap 5兼容 */
.panel, .card {
    border-radius: 0;
    border: 1px solid #888;
    background-color: #444;
}

.panel-default .panel-heading, .card-header {
    padding: 5px 10px;
    border-radius: 0;
    border: 0;
    background-color: #666;
}

.panel-heading h3, .card-header h3 {
    line-height: 20px;
    font-weight: 700;
    color: #fff;
}

.panel-body, .card-body {
    color: #fff;
    padding: 10px;
}

/* 分页样式 - 更新为Bootstrap 5兼容 */
.pagination1 {
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px;
}

.pagination1 li {
    display: inline;
}

.page-item a, .page-item .page-link {
    position: relative;
    float: left;
    margin: 4px 3px;
    padding: 6px 12px;
    line-height: 1.42857143;
    color: #aaa;
    background-color: #222;
    text-decoration: none;
    border-radius: 3px;
    border: 0;
}

.pagination1 .active a, .pagination .active .page-link {
    background-color: #444;
}

/* 页脚样式 */
footer {
    margin-top: 20px;
    margin-bottom: 20px;
}

.footerNav a {
    color: #888;
}

#warning {
    margin: 0 auto;
    max-width: 680px;
    color: #888;
    font-size: 12px;
    line-height: 1.4;
}

/* 热搜样式 */
.hot_search {
    margin-bottom: 20px;
}

.hot_search .btn {
    margin: 2px;
}

/* 响应式调整 - 确保与Bootstrap 5兼容 */
@media (max-width: 768px) {
    .col-6 {
        width: 50%;
    }
    
    .navbar-brand img {
        max-height: 30px;
    }
    
    .title h5 {
        font-size: 13px;
    }
    
    .info p {
        font-size: 11px;
    }
}

/* 自定义样式 */
.container {
    max-width: 1200px;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 视频标签样式 */
.tag {
    display: inline-block !important;
    background: #444 !important;
    color: #fff !important;
    border-radius: 12px !important;
    padding: 2px 10px !important;
    font-size: 12px !important;
    margin: 2px 4px 2px 0 !important;
    border: 1px solid #666 !important;
    vertical-align: middle !important;
    line-height: 1.5 !important;
    font-weight: 400 !important;
    box-sizing: border-box !important;
} 

/* Bootstrap 5兼容性样式 */
/* 导航栏样式 */
.navbar-dark {
    background-color: #222;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.75);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: rgba(255, 255, 255, 0.9);
}

/* 下拉菜单样式 */
.dropdown-menu {
    background-color: #333;
    border-color: #444;
}

.dropdown-item {
    color: #ddd;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: #444;
    color: #fff;
}

.dropdown-divider {
    border-top-color: #444;
}

/* 输入组样式 */
.input-group .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
} 

.pagination-wrapper {
    margin-top: 30px;
    padding: 20px 0;
    text-align: center;
}

.pagination {
    display: inline-flex;
    list-style: none;
    margin: 0 0 15px 0;
    padding: 0;
    gap: 5px;
}

.page-item {
    margin: 0;
}

.page-link {
    display: block;
    padding: 8px 12px;
    background: #444;
    color: #ccc;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 14px;
    border: 1px solid #555;
}

.page-link:hover {
    background: #555;
    color: #fff;
    text-decoration: none;
    border-color: #667eea;
}

.page-item.active .page-link {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border-color: #667eea;
}

.page-item.disabled .page-link {
    background: #333;
    color: #666;
    cursor: not-allowed;
    border-color: #444;
}

.page-item.disabled .page-link:hover {
    background: #333;
    color: #666;
    border-color: #444;
}

.pagination-info {
    margin-top: 15px;
}

.pagination-info .text-muted {
    color: #999;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
        gap: 3px;
    }
    
    .page-link {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .pagination-info .text-muted {
        font-size: 12px;
    }
}

/* 
 * Bootstrap 5 自定义样式
 * 调整Bootstrap 5的默认样式，使其视觉效果与之前的设计保持一致
 */

/* 全局样式和颜色 */
:root {
  --bs-body-bg: #000;
  --bs-body-color: #ddd;
  --bs-primary: #667eea;
  --bs-secondary: #222;
  --bs-dark: #222;
  --bs-border-color: #444;
}

body {
  background-color: #000;
  color: #ddd;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

/* 标题和文字样式 */
h1, h2, h3, h4, h5 {
  color: #999;
}

a, a:focus, a:active, a:hover {
  color: #ddd;
  text-decoration: none;
}

/* 按钮样式 */
.btn-secondary, .btn-default {
  color: #ddd;
  background-color: #222;
  border-color: #444;
}

.btn-secondary:hover, .btn-default:hover {
  color: #fff;
  background-color: #333;
  border-color: #555;
}

.btn {
  border-radius: 0;
}

/* 表单元素 */
.form-control {
  background-color: #333;
  border-color: #444;
  color: #fff;
}

.form-control:focus {
  background-color: #333;
  border-color: #667eea;
  color: #fff;
  box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

/* 导航栏样式 */
.navbar {
  margin-bottom: 10px;
  padding-top: 0;
  padding-bottom: 0;
}

.navbar-brand img {
  max-height: 40px;
}

.navbar-dark {
  background-color: #222;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.75);
  padding-top: 15px;
  padding-bottom: 15px;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: rgba(255, 255, 255, 0.9);
}

/* 下拉菜单 */
.dropdown-menu {
  background-color: #333;
  border-color: #444;
  border-radius: 0;
  margin-top: 0;
}

.dropdown-item {
  color: #ddd;
}

.dropdown-item:hover {
  background-color: #444;
  color: #fff;
}

.dropdown-divider {
  border-top-color: #444;
}

/* 输入组 */
.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* 卡片样式 */
.card {
  background-color: #222;
  border: 0;
}

.card-body {
  color: #ddd;
}

/* 警告框 */
.alert-info {
  color: #ddd;
  background-color: #444;
  border-color: #444;
}

.alert-success {
  color: #ddd;
  background-color: #155724;
  border-color: #155724;
}

.alert-warning {
  color: #ddd;
  background-color: #856404;
  border-color: #856404;
}

.alert-danger {
  color: #ddd;
  background-color: #721c24;
  border-color: #721c24;
}

/* 分页 */
.pagination .page-link {
  background-color: #222;
  border-color: #444;
  color: #aaa;
}

.pagination .page-item.active .page-link {
  background-color: #444;
  border-color: #444;
}

.pagination .page-item.disabled .page-link {
  background-color: #222;
  border-color: #444;
  color: #666;
}

/* 表格 */
.table {
  color: #ddd;
}

.table-striped > tbody > tr:nth-of-type(odd) {
  background-color: rgba(255, 255, 255, 0.05);
  color: #ddd;
}

.table-hover > tbody > tr:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* 列表组 */
.list-group-item {
  background-color: #333;
  border-color: #444;
  color: #ddd;
}

/* 模态框 */
.modal-content {
  background-color: #333;
  border-color: #444;
}

.modal-header, .modal-footer {
  border-color: #444;
}

/* 标签导航 */
.nav-tabs {
  border-bottom: 1px solid #222;
}

.nav-tabs .nav-link {
  color: #ddd;
  border-radius: 0;
}

.nav-tabs .nav-link:hover,
.nav-tabs .nav-link:focus {
  border-color: #222;
  background-color: #222;
}

.nav-tabs .nav-link.active {
  background-color: #222;
  border-color: #222;
  color: #ddd;
}

/* 工具提示和弹出框 */
.tooltip-inner {
  background-color: #333;
}

.popover {
  background-color: #333;
  border-color: #444;
}

.popover-header {
  background-color: #444;
  border-bottom: 1px solid #555;
}

.popover-body {
  color: #ddd;
}

/* 进度条 */
.progress {
  background-color: #333;
}

/* 背景和边框 */
.bg-dark {
  background-color: #222 !important;
}

.bg-light {
  background-color: #333 !important;
  color: #ddd !important;
}

.border {
  border-color: #444 !important;
}

/* 表单元素 */
.form-check-input:checked {
  background-color: #667eea;
  border-color: #667eea;
}

/* 文本颜色 */
.text-muted {
  color: #999 !important;
}

/* 徽章 */
.badge {
  border-radius: 0;
}

/* 处理Bootstrap 3旧类名 */
/* 网格系统兼容 */
.col-xs-1 { width: 8.33333%; }
.col-xs-2 { width: 16.66667%; }
.col-xs-3 { width: 25%; }
.col-xs-4 { width: 33.33333%; }
.col-xs-5 { width: 41.66667%; }
.col-xs-6 { width: 50%; }
.col-xs-7 { width: 58.33333%; }
.col-xs-8 { width: 66.66667%; }
.col-xs-9 { width: 75%; }
.col-xs-10 { width: 83.33333%; }
.col-xs-11 { width: 91.66667%; }
.col-xs-12 { width: 100%; }

/* 旧版按钮 */
.btn-default {
  color: #ddd;
  background-color: #222;
  border-color: #444;
}

.btn-default:hover,
.btn-default:focus {
  color: #fff;
  background-color: #333;
  border-color: #555;
}

/* 文本对齐 */
.pull-left { float: left !important; }
.pull-right { float: right !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-center { text-align: center !important; }

/* 旧版隐藏类 */
@media (max-width: 767.98px) {
  .hidden-xs { display: none !important; }
}
@media (min-width: 768px) and (max-width: 991.98px) {
  .hidden-sm { display: none !important; }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
  .hidden-md { display: none !important; }
}
@media (min-width: 1200px) {
  .hidden-lg { display: none !important; }
}

/* 项目特定样式 - 视频卡片 */
.video-card {
  background: #2a2a2a;
  border: 1px solid #444;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.5);
  border-color: #667eea;
}

/* 标签样式 */
.tag {
  display: inline-block !important;
  background: #444 !important;
  color: #fff !important;
  border-radius: 12px !important;
  padding: 2px 10px !important;
  font-size: 12px !important;
  margin: 2px 4px 2px 0 !important;
  border: 1px solid #666 !important;
  vertical-align: middle !important;
  line-height: 1.5 !important;
  font-weight: 400 !important;
  box-sizing: border-box !important;
}

/* 缩略图样式 */
.thumbnail {
  background-color: #222;
  border: 0;
}

.video-title-small {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
}

.video-title-section {
    text-align: center;
}

.stats-row {
  font-size: 0.85rem;
}
.stat-item .count {
  font-size: 0.95em;
}
.icon {
  font-size: 0.95em;
}

.video-meta-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    align-items: center;
    margin: 12px 0 8px 0;
    font-size: 0.95rem;
    color: #ccc;
}

.video-meta-detail .meta-item {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.video-meta-detail .quality {
    background: #1976d2;
    color: #fff;
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.85em;
    margin-left: 4px;
}

/* 移动端同样横向排列，自动换行，不竖排 */
@media (max-width: 600px) {
    .video-meta-detail {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px 10px;
        align-items: center;
    }
    .video-meta-detail .meta-item {
        white-space: nowrap;
    }
}

.video-container .video-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
    margin-bottom: 15px;
    color: #b8c1ec;
    font-size: 14px;
}

.video-container .video-meta span {
    display: flex;
    align-items: center;
    white-space: nowrap;
    font-size: 1em;
}

.video-container .quality-badge {
    background: #1976d2;
    color: #fff;
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 0.85em;
    margin-left: 4px;
}

/* 移动端优化：保持横向排列，自动换行 */
@media (max-width: 600px) {
    .video-container .video-meta {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px 10px;
        align-items: center;
        font-size: 13px;
    }
    .video-container .video-meta span {
        white-space: nowrap;
        font-size: 1em;
    }
}