/*调整全局字体大小*/
body,html{font-size:14px;}

/*天蓝色背景 - body整体背景*/
body {
    background-color: #E0F6FF !important;
}

/*左导航悬浮sidebar-menu-inner宽度调整为90px*/
.sidebar-popup.sidebar-menu-inner > div > ul > li.sidebar-item>ul{position:absolute;top:0px;left:10px;width:90px;z-index:99}
.sidebar-popup.sidebar-menu-inner ul{width:90px}
.sidebar-popup.sidebar-menu-inner ul li{width:90px}

/*隐藏左导航scrollbar*/
.sidebar-menu.flex-fill::-webkit-scrollbar{display:none}

/*搜索框搜索图标颜色*/
#search button i{color:#6C757D;font-size:18px}

/*顶部导航栏字体+图标颜色*/
.big-header-banner .page-header{color:#ffffff;background:rgba(255,255,255,0);box-shadow:none;transition:color .3s,background-color .3s}
.big-header-banner:not(.header-bg) .page-header .navbar-nav>li>a,.big-header-banner:not(.header-bg) .navbar-menu a:not(.dropdown-item){color:#ffffff;}
.big-header-banner:not(.header-bg) .page-header .navbar-nav>li>a:hover,.big-header-banner:not(.header-bg) .navbar-menu a:not(.dropdown-item):hover{color:#dc3545;}
.big-header-banner:not(.header-bg) .header-mini-btn path{stroke:#ffffff;}
.big-header-banner:not(.header-bg) .header-mini-btn label:hover path{stroke:#ffffff;}

/*搜索栏字体+背景*/
.header-big #search-text{color:#6C757D;}
.io-black-mode .header-big #search-text{color:#fff;}

/*搜索activate图标颜色*/
.header-big .search-type input:checked+label:before{content:'';border-width:8px 8px 0px 8px;border-style:solid;border-color:#ffffff transparent transparent;position:absolute;left:50%;top:0;margin-left:-8px}

/*主页搜索搜索框(头+底部)字体颜色*/
.header-big:not(.no-bg) .s-type-list{color:#20c997}
.header-big:not(.no-bg) .text-muted,.header-big:not(.no-bg) .search-type .menu-item a,.header-big:not(.no-bg) .big-title .h1{color:#ffffff!important}

/*主页header-banner底部宽度*/
.post-top{padding-bottom:50px}

/*左导航二级导航标题左侧距离*/
.sidebar-menu-inner ul li ul li a{margin-left:30px;}

/*头部导航二级导航iconfont图标*/
.navbar-collapse ul li.menu-item-has-children:after{content:'\e612';}

/*搜索部分背景样式*/
.header-big.css-color{background-size:unset;background-position:unset;animation:unset;}

/*搜索热词样式调整*/
.search-hot-text{
    position: absolute;
    z-index: 100;
    width: 100%;
    border-radius: 0 0 10px 10px;
    background: #FFF;
    box-shadow: 0px 4px 5px 0px #cccccc94;
    overflow: hidden;
}
.search-hot-text ul{
    margin: 0;
    padding: 5px 0;
}
.search-hot-text ul li{
    line-height: 30px;
    font-size: 14px;
    padding: 0px 25px;
    color: #777;
    cursor: pointer;
}
.io-black-mode .search-hot-text ul li{
    color: #fff;
}    
.search-hot-text ul li.current{
    background: #f1f1f1;
    color: #2196f3;
}
.search-hot-text ul li:hover{
    background: #f1f1f1;
    color: #2196f3;
    cursor: pointer;
}
.search-hot-text ul li span{
    display: inline-block;
    width: 20px;
    height: 20px;
    font-size: 12px;
    line-height: 20px;
    text-align: center;
    background: #e5e5e5;
    margin-right: 10px;
    border-radius: 10px;
    color: #999;
}

footer.main-footer .footer-text {
    text-align: center;
}
footer.main-footer .footer-text a {
    color: #007bff;
}
footer.main-footer .footer-text a:hover {
    color: red;
}

/*About页面*/
.panel .panel-body a {color: #007bff;}
.panel .panel-body a:hover {color: #979898;}

/*天蓝色背景 - 移除网格图案*/
.page-container .grid-bg {
    background-image: none !important;
    background-color: #E0F6FF;
}

.io-grey-mode .page-container .grid-bg {
    background-image: none !important;
    background-color: #B0E0E6;
}

/*导航 Logo 图标裁剪边角*/
.url-card .url-img > img {
    border-radius: 20%;
}

/*侧边栏Logo样式 - 紧贴顶部，宽度填满，等比例自适应*/
.sidebar-logo {
    height: auto !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    border-bottom: 1px solid rgba(0,0,0,.1);
    box-sizing: border-box !important;
}

.sidebar-logo .logo {
    line-height: 0 !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
}

.sidebar-logo .logo a {
    display: block !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
}

.sidebar-logo .logo img {
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    object-fit: contain !important;
    object-position: top center !important;
    box-sizing: border-box !important;
    transform: scale(2) !important;
    transform-origin: top center !important;
}

/*折叠和展开状态都使用相同的样式 - 等比例自适应*/
.mini-sidebar .sidebar-logo,
.sidebar-nav:not(.mini-sidebar) .sidebar-logo {
    width: 100% !important;
}

.mini-sidebar .sidebar-logo .logo,
.sidebar-nav:not(.mini-sidebar) .sidebar-logo .logo {
    width: 100% !important;
}

.mini-sidebar .sidebar-logo .logo a,
.sidebar-nav:not(.mini-sidebar) .sidebar-logo .logo a {
    width: 100% !important;
}

.mini-sidebar .sidebar-logo .logo img,
.sidebar-nav:not(.mini-sidebar) .sidebar-logo .logo img {
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    object-position: top center !important;
    margin: 0 !important;
    transform: scale(2) !important;
    transform-origin: top center !important;
}

/*固定顶部栏标语样式*/
#top-bar-tagline .tagline-text {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    white-space: nowrap;
    text-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    animation: fadeInUp 0.8s ease-out;
    line-height: 1.2;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/*响应式设计 - 小屏幕隐藏标语*/
@media (max-width: 768px) {
    #top-bar-tagline {
        display: none;
    }
    
    #fixed-top-bar {
        justify-content: flex-start !important;
    }
}

/*中等屏幕缩小标语字体*/
@media (max-width: 1200px) and (min-width: 769px) {
    #top-bar-tagline .tagline-text {
        font-size: 32px;
        font-weight: 700;
        letter-spacing: 0.5px;
    }
}

/*固定顶部栏标语样式*/
#top-bar-tagline .tagline-text {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    white-space: nowrap;
    text-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    animation: fadeInUp 0.8s ease-out;
    line-height: 1.2;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/*响应式设计 - 小屏幕隐藏标语*/
@media (max-width: 768px) {
    #top-bar-tagline {
        display: none;
    }
    
    #fixed-top-bar {
        justify-content: flex-start !important;
    }
}

/*中等屏幕缩小标语字体*/
@media (max-width: 1200px) and (min-width: 769px) {
    #top-bar-tagline .tagline-text {
        font-size: 32px;
        font-weight: 700;
        letter-spacing: 0.5px;
    }
}

/*调整内容卡片布局：每个分类整体居中，分类内卡片按原顺序排列*/
.content-site {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 auto !important;
    display: block !important;
}

.category-container {
    width: calc(100% - 40px);
    max-width: 1400px;
    margin: 0 auto !important;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
}

/*限制内容条的长度 - 缩短卡片内容区域，并居中显示*/
#content .url-card {
    margin-bottom: 1.5rem;
    max-width: 300px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.url-card .card-body {
    padding: 0.5rem !important;
}

.url-card .url-content {
    max-width: 100%;
}

.url-card .url-info {
    max-width: 100%;
    overflow: hidden;
}

.url-card .url-info strong {
    font-size: 13px !important;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.url-card .url-info p {
    font-size: 11px !important;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.3 !important;
    margin: 0.25rem 0 0 0 !important;
}

/*隐藏侧边栏*/
#sidebar {
    display: none !important;
}

/*主内容占据全宽并居中*/
.main-content {
    margin-left: 0 !important;
    margin-right: 0 !important;
    display: flex !important;
    justify-content: center !important;
}

.page-header {
    left: 0 !important;
}

/*隐藏内容区域中每个链接卡片左侧的图标/图片*/
.url-img {
    display: none !important;
}

/*调整内容卡片布局：每个分类整体居中，分类内卡片按原顺序排列*/
.content-site {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 auto !important;
    display: block !important;
}

.category-container {
    width: calc(100% - 40px);
    max-width: 1400px;
    margin: 0 auto !important;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
}

.category-container .row {
    justify-content: center !important;
}

#content .url-card {
    margin-bottom: 1.5rem;
}

/*限制内容条的长度 - 缩短卡片内容区域，并居中显示*/
.url-card {
    max-width: 300px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.url-card .card-body {
    padding: 0.5rem !important;
}

.url-card .url-content {
    max-width: 100%;
}

.url-card .url-info {
    max-width: 100%;
    overflow: hidden;
}

.url-card .url-info strong {
    font-size: 13px !important;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.url-card .url-info p {
    font-size: 11px !important;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.3 !important;
    margin: 0.25rem 0 0 0 !important;
}

/* ============================================
   新的Sticky导航栏样式
   ============================================ */

/* 主导航栏容器 */
#main-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    transition: all 0.3s ease;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    width: 100%;
}

/* 左侧：Logo和网站名称 */
.navbar-left {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
    transition: opacity 0.2s ease;
}

.navbar-brand:hover {
    opacity: 0.8;
}

.navbar-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.navbar-site-name {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    white-space: nowrap;
}

/* 中间导航菜单已移除 - 仅保留Logo和Subscribe按钮 */

/* 右侧：Subscribe按钮 */
.navbar-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.btn-subscribe {
    padding: 10px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.3);
}

.btn-subscribe:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.4);
    color: #ffffff;
}

/* 导航栏占位符 */
.navbar-spacer {
    height: 70px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .navbar-container {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 0 15px;
        height: 60px;
        justify-content: space-between;
    }
    
    .navbar-logo {
        height: 35px;
    }
    
    .navbar-site-name {
        font-size: 18px;
    }
    
    .btn-subscribe {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .navbar-spacer {
        height: 60px;
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0 12px;
    }
    
    .navbar-site-name {
        font-size: 16px;
    }
    
    .btn-subscribe {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* ============================================
   Hero Section 样式
   ============================================ */

.hero-section {
    background: linear-gradient(180deg, #E0F6FF 0%, #D0EFFF 100%);
    padding: 80px 20px;
    margin-top: 70px;
    position: relative;
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

/* 主标题 */
.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: #1a202c;
    margin: 0 0 24px 0;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

/* 副标题 */
.hero-subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    margin: 0 0 40px 0;
    line-height: 1.6;
    font-weight: 400;
}

/* 搜索容器 */
.hero-search-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.hero-search-form {
    display: flex;
    width: 100%;
    max-width: 700px;
    height: 60px;
    background: #ffffff;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.hero-search-form:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.hero-search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0 24px;
    font-size: 16px;
    color: #1a202c;
    background: transparent;
}

.hero-search-input::placeholder {
    color: #a0aec0;
    font-style: italic;
}

.hero-search-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 32px;
    border: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.hero-search-button:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3f8f 100%);
    transform: translateX(-2px);
}

.hero-search-button i {
    font-size: 18px;
}

/* ============================================
   Filter Bar 样式
   ============================================ */

.filter-bar-container {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    width: 100%;
}

.filter-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1200px;
    padding: 0 20px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.filter-bar::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.filter-pill {
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    background-color: #FFFFFF;
    color: #4A5568;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    white-space: nowrap;
    flex-shrink: 0;
}

.filter-pill:hover {
    background-color: #E9D8FD;
    color: #553C9A;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.filter-pill.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.filter-pill.active:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3f8f 100%);
    color: #FFFFFF;
}

/* 确保内容区域与Hero有间距 */
.content-site {
    margin-top: 60px !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 20px;
        margin-top: 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-search-form {
        max-width: 100%;
        height: 56px;
        border-radius: 28px;
    }
    
    .hero-search-input {
        font-size: 14px;
        padding: 0 20px;
    }
    
    .hero-search-button {
        padding: 0 24px;
        font-size: 14px;
    }
    
    .hero-search-button span {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* Filter Bar 响应式设计 */
@media (max-width: 768px) {
    .filter-bar {
        justify-content: flex-start;
        padding: 0 20px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-pill {
        font-size: 13px;
        padding: 8px 16px;
    }
}

/* ============================================
   升级的工具卡片样式 (Solution Cards)
   ============================================ */

.solution-card {
    position: relative;
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15) !important;
}

/* 定价徽章 */
.pricing-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    z-index: 10;
    display: none;
}

.pricing-badge.pricing-free {
    background-color: #10b981;
    color: #ffffff;
    display: inline-block;
}

.pricing-badge.pricing-freemium {
    background-color: #3b82f6;
    color: #ffffff;
    display: inline-block;
}

.pricing-badge.pricing-paid {
    background-color: #6b7280;
    color: #ffffff;
    display: inline-block;
}

/* 分类标题样式 */
.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a202c;
    margin: 0;
    line-height: 1.4;
}

.category-title .site-tag {
    display: none;
}

/* 卡片内容结构 */
.solution-card .card {
    padding-bottom: 20px !important;
    position: relative;
}

.solution-card .card-body {
    padding: 1rem !important;
    position: relative;
}

.solution-card .url-content {
    display: block !important;
}

.solution-card .url-info {
    width: 100%;
}

.tool-title {
    margin-bottom: 8px;
}

.tool-title strong {
    font-size: 15px;
    font-weight: 600;
    color: #1a202c;
    display: block;
    line-height: 1.4;
}

.tool-description {
    font-size: 13px;
    color: #4a5568;
    line-height: 1.5;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Best for 框 */
.best-for-box {
    background-color: #f7fafc;
    border-radius: 6px;
    padding: 8px 12px;
    margin-top: 12px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.best-for-label {
    font-size: 12px;
    font-weight: 600;
    color: #4a5568;
    white-space: nowrap;
}

.best-for-text {
    font-size: 12px;
    color: #2d3748;
    font-weight: 500;
}

/* CTA 按钮 - 在卡片内部 */
.solution-card .card .solution-cta {
    display: block;
    text-align: right;
    padding: 12px 16px;
    margin: 0;
    color: #667eea;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    border-top: 1px solid #eeeeee;
    transition: all 0.2s ease;
    position: relative;
    z-index: 1;
}

.solution-card .card .solution-cta:hover {
    background-color: #f7fafc;
    color: #764ba2;
    text-decoration: none;
}

/* 隐藏原来的箭头图标 */
.solution-card .togo {
    display: none !important;
}







