/* 由 header.php / footer.php / ripro_v2_logo() 的内联 <style> 抽取而来。
   抽取原因：约 110KB 内联 CSS 随每份 HTML 传输且无法被浏览器缓存。
   加载方式：wp_head 优先级 99 输出 <link>，保证排在主题与后台自定义 CSS 之后。
   ！修改请直接改本文件，不要再往模板里写 <style>。 */

/* ===== logo（原 ripro_v2_logo 内联） ===== */
          .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        /* ===== Home dark course layout overrides ===== */
        body.home, body.course-detail-layout{
            /* 亮版语义色：白灰黑底 + 白色磨砂玻璃 */
            --kx-bg: #f6f6f8;
            --kx-surface: rgba(255, 255, 255, 0.72);
            --kx-surface-strong: rgba(255, 255, 255, 0.9);
            --kx-surface-soft: rgba(255, 255, 255, 0.55);
            --kx-line: rgba(17, 17, 20, 0.08);
            --kx-line-strong: rgba(17, 17, 20, 0.16);
            --kx-text: #111114;
            --kx-text-2: #3f3f46;
            --kx-text-3: #71717a;
            --kx-text-muted: #a1a1aa;
            --kx-shadow: 0 8px 24px rgba(17, 17, 20, 0.06);
            background-color: var(--kx-bg);
            color: var(--kx-text);
            color-scheme: light;
            position: relative;
            overflow-x: hidden;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        body.home::-webkit-scrollbar, body.course-detail-layout::-webkit-scrollbar{
            display: none;
        }

        html.course-layout{
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        html.course-layout::-webkit-scrollbar{
            display: none;
        }

        body.home::before, body.course-detail-layout::before,
        body.home::after, body.course-detail-layout::after{
            content: '';
            position: fixed;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.10;
            pointer-events: none;
            z-index: 0;
        }

        body.home::before, body.course-detail-layout::before{
            background: #6366f1;
            top: -150px;
            left: -100px;
        }

        body.home::after, body.course-detail-layout::after{
            background: #ec4899;
            bottom: -200px;
            right: -100px;
        }

        body.home .course-app::before, body.course-detail-layout .course-app::before{
            content: '';
            position: fixed;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: #06b6d4;
            filter: blur(100px);
            opacity: 0.06;
            pointer-events: none;
            z-index: 0;
            top: 40%;
            left: 60%;
            transform: translate(-50%, -50%);
        }

        body.home #app, body.course-detail-layout #app{
            position: relative;
            z-index: 1;
        }

        /* Header override */
        body.home .site-header, body.course-detail-layout .site-header{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid var(--kx-line);
            box-shadow: 0 1px 0 rgba(17, 17, 20, 0.02);
        }

        /* Keep header visible on scroll */
        body.home.slide-now .site-header,
        body.course-detail-layout.slide-now .site-header{
            -webkit-transform: translateY(0) !important;
            transform: translateY(0) !important;
        }

        body.home .site-header .container, body.course-detail-layout .site-header .container{
            max-width: 100%;
            padding-left: 24px;
            padding-right: 24px;
        }

        body.home .site-header .navbar, body.course-detail-layout .site-header .navbar{
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            padding-top: 0;
            padding-bottom: 0;
            min-height: 52px;
            height: 52px;
            width: 100%;
        }

        body.home .header-gap, body.course-detail-layout .header-gap{
            display: none;
        }

        body.home .site-header .sep, body.course-detail-layout .site-header .sep{
            display: none;
        }

        body.home .site-header .logo, body.course-detail-layout .site-header .logo{
            display: flex;
            align-items: center;
            gap: 8px;
        }

        body.home .site-header .logo img, body.course-detail-layout .site-header .logo img{
            max-height: 28px;
        }

        body.home .site-header .main-menu, body.course-detail-layout .site-header .main-menu{
            flex: 1;
            display: flex;
            justify-content: center;
            margin-left: 24px;
            margin-right: 24px;
        }

        body.home .site-header .nav-list, body.course-detail-layout .site-header .nav-list{
            display: flex;
            align-items: center;
            gap: 8px;
        }

        body.home .site-header .nav-list > li > a, body.course-detail-layout .site-header .nav-list > li > a{
            color: #3f3f46;
            font-size: 14px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 6px;
            transition: all 0.2s ease;
            position: relative;
        }

        body.home .site-header .nav-list > li > a:hover, body.course-detail-layout .site-header .nav-list > li > a:hover,
        body.home .site-header .nav-list > li.current-menu-item > a, body.course-detail-layout .site-header .nav-list > li.current-menu-item > a{
            color: #111114;
            background: rgba(17, 17, 20, 0.05);
        }

        body.home .site-header .nav-list > li.current-menu-item > a::after, body.course-detail-layout .site-header .nav-list > li.current-menu-item > a::after{
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 14px;
            height: 3px;
            background: linear-gradient(90deg, #6366f1, #ec4899);
            border-radius: 2px;
        }

        body.home .site-header .main-menu, body.course-detail-layout .site-header .main-menu{
            display: none !important;
        }

        body.home .header-nav-links, body.course-detail-layout .header-nav-links{
            display: flex;
            align-items: center;
            gap: 8px;
            margin-right: auto;
            margin-left: 8px;
            z-index: 3;
        }

        body.home .header-nav-links .nav-link-item, body.course-detail-layout .header-nav-links .nav-link-item{
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.62);
            border: 1px solid rgba(17, 17, 20, 0.10);
            border-radius: 20px;
            color: #111114;
            font-size: 12px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        body.home .header-nav-links .nav-link-item:hover, body.course-detail-layout .header-nav-links .nav-link-item:hover{
            background: rgba(255, 255, 255, 0.8);
            border-color: rgba(17, 17, 20, 0.16);
            color: #111114;
        }

        body.home .header-nav-links .nav-link-item i, body.course-detail-layout .header-nav-links .nav-link-item i{
            font-size: 11px;
        }

        @media (max-width: 768px) {
            body.home .header-nav-links, body.course-detail-layout .header-nav-links{
                display: none;
            }
        }

        /* 移动端抽屉快捷入口：与桌面导航共用 inc/template-shortcuts.php 的同一份配置 */
        .off-canvas .mobile-shortcut-list{
            list-style: none;
            margin: 0;
            padding: 6px 12px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        }

        .off-canvas .mobile-shortcut-list > li > a{
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 8px;
            border-radius: 8px;
            color: #222;
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
        }

        .off-canvas .mobile-shortcut-list > li > a:hover,
        .off-canvas .mobile-shortcut-list > li > a:active{
            background: rgba(0, 0, 0, 0.04);
            color: #000;
        }

        .off-canvas .mobile-shortcut-list > li > a i{
            width: 16px;
            text-align: center;
            opacity: 0.65;
        }

        /* 亮版头部：汉堡横线用深灰，保证在白色玻璃上可见 */
        body.home .site-header .burger:before, body.home .site-header .burger:after,
        body.course-detail-layout .site-header .burger:before, body.course-detail-layout .site-header .burger:after{
            background-color: rgba(17, 17, 20, 0.75);
        }

        body.home .header-search-form, body.course-detail-layout .header-search-form{
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: auto;
            display: flex;
            justify-content: center;
            z-index: 2;
        }

.header-search-form .search-icon{
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            width: 12px;
            height: 12px;
            pointer-events: none;
        }

        body.home .header-search-form .search-icon, body.course-detail-layout .header-search-form .search-icon{
            color: #71717a;
        }

        body.home .header-search-form input, body.course-detail-layout .header-search-form input{
            width: 200px;
            padding: 6px 12px 6px 30px;
            background: rgba(255, 255, 255, 0.62);
            border: 1px solid rgba(17, 17, 20, 0.10);
            border-radius: 6px;
            color: #111114;
            font-size: 12px;
            transition: all 0.2s ease;
        }

        body.home .header-search-form input::placeholder, body.course-detail-layout .header-search-form input::placeholder{
            color: #71717a;
        }

        body.home .header-search-form input:focus, body.course-detail-layout .header-search-form input:focus{
            outline: none;
            width: 280px;
            border-color: #6366f1;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.4);
        }

        body.home .site-header .actions, body.course-detail-layout .site-header .actions{
            display: flex;
            align-items: center;
            gap: 10px;
            flex-grow: 0;
        }

        body.home .site-header .toggle-notify, body.course-detail-layout .site-header .toggle-notify,
        body.home .site-header .toggle-dark, body.course-detail-layout .site-header .toggle-dark{
            display: none !important;
        }

        body.home .site-header .actions .btn, body.course-detail-layout .site-header .actions .btn,
        body.home .site-header .navbar-button, body.course-detail-layout .site-header .navbar-button,
        body.home .site-header .login-btn, body.course-detail-layout .site-header .login-btn{
            color: #3f3f46;
            background: rgba(255, 255, 255, 0.62);
            border: 1px solid rgba(17, 17, 20, 0.10);
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0;
            border-radius: 8px;
            font-size: 14px;
            margin-left: 0 !important;
        }

        body.home .site-header .actions .btn:hover, body.course-detail-layout .site-header .actions .btn:hover,
        body.home .site-header .navbar-button:hover, body.course-detail-layout .site-header .navbar-button:hover,
        body.home .site-header .login-btn:hover, body.course-detail-layout .site-header .login-btn:hover{
            color: #ffffff;
            background: rgba(255, 255, 255, 0.8);
            border-color: rgba(17, 17, 20, 0.16);
        }

        body.home .site-header .actions .btn-vip, body.course-detail-layout .site-header .actions .btn-vip{
            background: linear-gradient(135deg, #6366f1, #ec4899);
            border-color: transparent;
            color: #ffffff;
        }

        body.home .site-header .actions .btn-vip:hover, body.course-detail-layout .site-header .actions .btn-vip:hover{
            background: linear-gradient(135deg, #5558e6, #db3f8c);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
        }

        body.home .site-header .menu-avatar-img, body.course-detail-layout .site-header .menu-avatar-img{
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
        }

        body.home .site-header .dropdown-toggle, body.course-detail-layout .site-header .dropdown-toggle,
        body.home .site-header .dropdown > a.rounded-circle, body.course-detail-layout .site-header .dropdown > a.rounded-circle{
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #111114;
            text-decoration: none;
        }

        body.home .site-header .mx-display-name, body.course-detail-layout .site-header .mx-display-name{
            color: #111114;
            font-size: 13px;
            font-weight: 500;
        }

        body.home .site-header .dropdown-menu, body.course-detail-layout .site-header .dropdown-menu{
            background-color: #ffffff;
            border-color: rgba(17, 17, 20, 0.10);
        }

        body.home .site-header .dropdown-item, body.course-detail-layout .site-header .dropdown-item,
        body.home .site-header .dropdown-item a, body.course-detail-layout .site-header .dropdown-item a,
        body.home .site-header .menu-card-box-1, body.course-detail-layout .site-header .menu-card-box-1,
        body.home .site-header .menu-card-box-2, body.course-detail-layout .site-header .menu-card-box-2,
        body.home .site-header .menu-card-box-3, body.course-detail-layout .site-header .menu-card-box-3{
            color: #111114;
        }

        body.home .site-header .mx-display-name, body.course-detail-layout .site-header .mx-display-name{
            color: #111114;
        }

        /* Main content reset */
        body.home #main, body.course-detail-layout #main{
            padding-top: 0;
            background: transparent;
        }

        body.home .site-content, body.course-detail-layout .site-content{
            padding: 0;
        }

        /* Hide mobile bottom toolbar & right rollbar on homepage */
        body.home .m-menubar, body.course-detail-layout .m-menubar,
        body.home .rollbar, body.course-detail-layout .rollbar{
            display: none !important;
        }

        /* App layout */
        body.home .course-app, body.course-detail-layout .course-app{
            display: flex;
            position: relative;
            z-index: 1;
            padding: 52px 0 3rem;
        }

        body.apg-generated-post .course-app{
            padding: 16px 0 3rem;
        }

        /* Sidebar */
        body.home .course-sidebar, body.course-detail-layout .course-sidebar{
            width: 220px;
            flex-shrink: 0;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.62) 100%);
            border-right: 1px solid rgba(17, 17, 20, 0.08);
            padding: 10px 0;
            position: fixed;
            top: 52px;
            left: 0;
            bottom: 0;
            height: calc(100vh - 52px);
            overflow-y: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            z-index: 5;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        body.home .course-sidebar::-webkit-scrollbar, body.course-detail-layout .course-sidebar::-webkit-scrollbar{
            display: none;
        }

        body.home .course-sidebar .sidebar-panel, body.course-detail-layout .course-sidebar .sidebar-panel{
            margin: 0 8px;
            padding: 12px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.55);
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        body.home .course-sidebar .panel-title, body.course-detail-layout .course-sidebar .panel-title{
            font-size: 11px;
            font-weight: 600;
            color: #71717a;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 0 0 8px;
        }

        body.home .course-sidebar .panel-title.ai-title, body.course-detail-layout .course-sidebar .panel-title.ai-title{
            color: #7c3aed;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        body.home .course-sidebar .panel-title.ai-title .dot, body.course-detail-layout .course-sidebar .panel-title.ai-title .dot{
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: linear-gradient(135deg, #a855f7, #ec4899);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot{
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        body.home .course-sidebar .sidebar-item, body.course-detail-layout .course-sidebar .sidebar-item{
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: 8px;
            font-size: 13px;
            color: #52525b;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        body.home .course-sidebar .sidebar-item:hover, body.course-detail-layout .course-sidebar .sidebar-item:hover{
            background: rgba(255, 255, 255, 0.62);
            color: #111114;
        }

        body.home .course-sidebar .sidebar-item.active, body.course-detail-layout .course-sidebar .sidebar-item.active{
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(168, 85, 247, 0.05));
            border: 1px solid rgba(124, 58, 237, 0.22);
            color: #4f46e5;
        }

        body.home .course-sidebar .sidebar-icon, body.course-detail-layout .course-sidebar .sidebar-icon{
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        body.home .course-sidebar .sidebar-label, body.course-detail-layout .course-sidebar .sidebar-label{
            flex: 1;
            display: flex;
            align-items: center;
        }

        body.home .course-sidebar .sidebar-badge, body.course-detail-layout .course-sidebar .sidebar-badge{
            margin-left: auto;
            font-size: 11px;
            padding: 1px 8px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.62);
            color: #71717a;
            flex-shrink: 0;
        }

        body.home .course-sidebar .sidebar-item.active .sidebar-badge, body.course-detail-layout .course-sidebar .sidebar-item.active .sidebar-badge{
            background: rgba(99, 102, 241, 0.12);
            color: #4f46e5;
        }

        /* 二级分类：缩进一级、无图标、字号略小 —— 视觉上从属于上面的一级 hub */
        body.home .course-sidebar .sidebar-sub, body.course-detail-layout .course-sidebar .sidebar-sub{
            padding: 6px 10px 6px 30px;
            font-size: 12.5px;
        }

        body.home .course-sidebar .sidebar-sub .sidebar-label, body.course-detail-layout .course-sidebar .sidebar-sub .sidebar-label{
            color: #71717a;
        }

        body.home .course-sidebar .sidebar-sub:hover .sidebar-label, body.course-detail-layout .course-sidebar .sidebar-sub:hover .sidebar-label{
            color: #111114;
        }

        body.home .course-sidebar .sidebar-sub.active .sidebar-label, body.course-detail-layout .course-sidebar .sidebar-sub.active .sidebar-label{
            color: #4f46e5;
        }

        /* VIP large button */
        body.home .course-sidebar .vip-btn-large, body.course-detail-layout .course-sidebar .vip-btn-large{
            display: block;
            width: 100%;
            padding: 12px;
            margin-top: 8px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(249, 115, 22, 0.1));
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: #f59e0b;
            font-size: 13px;
            font-weight: 600;
            text-align: center;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        body.home .course-sidebar .vip-btn-large:hover, body.course-detail-layout .course-sidebar .vip-btn-large:hover{
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(249, 115, 22, 0.18));
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
        }

        /* AI grid */
        body.home .course-sidebar .ai-grid, body.course-detail-layout .course-sidebar .ai-grid{
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        body.home .course-sidebar .ai-card, body.course-detail-layout .course-sidebar .ai-card{
            position: relative;
            padding: 12px 8px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.55);
            border: 1px solid rgba(17, 17, 20, 0.08);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 6px;
            overflow: hidden;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        body.home .course-sidebar .ai-card::before, body.course-detail-layout .course-sidebar .ai-card::before{
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(236, 72, 153, 0.04));
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        body.home .course-sidebar .ai-card:hover, body.course-detail-layout .course-sidebar .ai-card:hover{
            border-color: rgba(124, 58, 237, 0.35);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.12);
        }

        body.home .course-sidebar .ai-card:hover::before, body.course-detail-layout .course-sidebar .ai-card:hover::before{
            opacity: 1;
        }

        body.home .course-sidebar .ai-card-icon, body.course-detail-layout .course-sidebar .ai-card-icon{
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            position: relative;
            z-index: 1;
        }

        body.home .course-sidebar .ai-card-icon.video, body.course-detail-layout .course-sidebar .ai-card-icon.video{
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(124, 58, 237, 0.06));
        }

        body.home .course-sidebar .ai-card-icon.image, body.course-detail-layout .course-sidebar .ai-card-icon.image{
            background: linear-gradient(135deg, rgba(236, 72, 153, 0.25), rgba(236, 72, 153, 0.06));
        }

        body.home .course-sidebar .ai-card-icon.prompt, body.course-detail-layout .course-sidebar .ai-card-icon.prompt{
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(59, 130, 246, 0.06));
        }

        body.home .course-sidebar .ai-card-icon.agent, body.course-detail-layout .course-sidebar .ai-card-icon.agent{
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(16, 185, 129, 0.06));
        }

        body.home .course-sidebar .ai-card-icon.template, body.course-detail-layout .course-sidebar .ai-card-icon.template{
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(6, 182, 212, 0.06));
        }

        body.home .course-sidebar .ai-card-icon.tool, body.course-detail-layout .course-sidebar .ai-card-icon.tool{
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(245, 158, 11, 0.06));
        }

        body.home .course-sidebar .ai-card-icon.gallery, body.course-detail-layout .course-sidebar .ai-card-icon.gallery{
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(139, 92, 246, 0.06));
        }

        body.home .course-sidebar .ai-card-icon.share, body.course-detail-layout .course-sidebar .ai-card-icon.share{
            background: linear-gradient(135deg, rgba(244, 114, 182, 0.25), rgba(244, 114, 182, 0.06));
        }

        body.home .course-sidebar .ai-card-name, body.course-detail-layout .course-sidebar .ai-card-name{
            font-size: 11px;
            color: #52525b;
            position: relative;
            z-index: 1;
            font-weight: 500;
        }

        body.home .course-sidebar .ai-card-badge, body.course-detail-layout .course-sidebar .ai-card-badge{
            position: absolute;
            top: 5px;
            right: 5px;
            font-size: 8px;
            padding: 1px 5px;
            border-radius: 4px;
            background: linear-gradient(135deg, #7c3aed, #a855f7);
            color: #ffffff;
            font-weight: 600;
            z-index: 1;
            line-height: 1.4;
        }

        body.home .course-sidebar .ai-card-badge.hot, body.course-detail-layout .course-sidebar .ai-card-badge.hot{
            background: linear-gradient(135deg, #ef4444, #f97316);
        }

        body.home .course-sidebar .ai-card-badge.new, body.course-detail-layout .course-sidebar .ai-card-badge.new{
            background: linear-gradient(135deg, #10b981, #34d399);
        }

        body.home .course-sidebar .ai-entry-btn, body.course-detail-layout .course-sidebar .ai-entry-btn{
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 10px;
            padding: 9px;
            border-radius: 8px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(168, 85, 247, 0.08));
            border: 1px solid rgba(124, 58, 237, 0.25);
            font-size: 12px;
            color: #3f3f46;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        body.home .course-sidebar .ai-entry-btn:hover, body.course-detail-layout .course-sidebar .ai-entry-btn:hover{
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(168, 85, 247, 0.15));
            border-color: rgba(124, 58, 237, 0.5);
            color: #4f46e5;
        }

        /* Main content */
        body.home .course-main, body.course-detail-layout .course-main{
            flex: 1;
            min-width: 0;
            margin-left: 220px;
            padding: 20px 24px 2rem;
            min-height: calc(100vh - 52px);
        }

        body.home .page-header, body.course-detail-layout .page-header{
            margin-bottom: 20px;
        }

        body.home .page-header h2, body.course-detail-layout .page-header h2{
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.4px;
            color: #111114;
        }

        body.home .page-header p, body.course-detail-layout .page-header p{
            color: #71717a;
            font-size: 13px;
        }

        /* 文章页顶部 hero 已经给出标题+元信息，single.php 的 .page-header 又输出一份同名 h2
           和摘要，而正文第一块「核心结论」的内容与摘要几乎一致：移动端首屏会看到
           标题两遍、摘要两遍。hero 在场时整块隐藏，交给 hero + 正文首块承载。 */
        body.single-post.with-hero .course-main .page-header{
            display: none;
        }

        /* Quick filter bar */
        body.home .quick-bar, body.course-detail-layout .quick-bar{
            display: flex;
            gap: 10px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        body.home .quick-item, body.course-detail-layout .quick-item{
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.62);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(17, 17, 20, 0.10);
            border-radius: 20px;
            font-size: 12px;
            color: #3f3f46;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        body.home .quick-item:hover, body.course-detail-layout .quick-item:hover{
            background: rgba(255, 255, 255, 0.8);
            border-color: rgba(17, 17, 20, 0.16);
            color: #111114;
        }

        body.home .quick-item.active, body.course-detail-layout .quick-item.active{
            background: linear-gradient(135deg, #6366f1, #ec4899);
            border-color: transparent;
            color: #ffffff;
            font-weight: 500;
        }

        body.home .quick-item .dot, body.course-detail-layout .quick-item .dot{
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #6366f1;
        }

        /* Stats & sort bar */
        body.home .stats-bar, body.course-detail-layout .stats-bar{
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding: 10px 16px;
            background: rgba(255, 255, 255, 0.62);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(17, 17, 20, 0.10);
            border-radius: 10px;
            gap: 10px;
            flex-wrap: wrap;
        }

        body.home .stats-bar .count, body.course-detail-layout .stats-bar .count{
            font-size: 13px;
            color: #71717a;
        }

        body.home .stats-bar .count strong, body.course-detail-layout .stats-bar .count strong{
            color: #111114;
            font-weight: 600;
        }

        body.home .filter-tabs, body.course-detail-layout .filter-tabs{
            display: flex;
            gap: 4px;
        }

        body.home .filter-tab, body.course-detail-layout .filter-tab{
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 500;
            color: #71717a;
            background: transparent;
            border: none;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        body.home .filter-tab:hover, body.course-detail-layout .filter-tab:hover{
            color: #111114;
        }

        body.home .filter-tab.active, body.course-detail-layout .filter-tab.active{
            background: rgba(17, 17, 20, 0.06);
            color: #111114;
        }

        /* Course grid */
        body.home .course-grid, body.course-detail-layout .course-grid{
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
            gap: 16px;
        }

        body.home .course-card, body.course-detail-layout .course-card{
            background: rgba(255, 255, 255, 0.62);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(17, 17, 20, 0.10);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            animation: courseFadeInUp 0.35s ease backwards;
        }

        body.home .course-card:nth-child(1) { animation-delay: 0.03s; }
        body.home .course-card:nth-child(2) { animation-delay: 0.06s; }
        body.home .course-card:nth-child(3) { animation-delay: 0.09s; }
        body.home .course-card:nth-child(4) { animation-delay: 0.12s; }
        body.home .course-card:nth-child(5) { animation-delay: 0.15s; }
        body.home .course-card:nth-child(6) { animation-delay: 0.18s; }
        body.home .course-card:nth-child(7) { animation-delay: 0.21s; }
        body.home .course-card:nth-child(8) { animation-delay: 0.24s; }

        @keyframes courseFadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        body.home .course-card:hover, body.course-detail-layout .course-card:hover{
            transform: translateY(-4px);
            border-color: rgba(17, 17, 20, 0.16);
            background: rgba(255, 255, 255, 0.8);
            box-shadow: 0 12px 28px rgba(17, 17, 20, 0.08);
        }

        body.home .course-card-link, body.course-detail-layout .course-card-link{
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 10;
            text-decoration: none;
            color: inherit;
        }

        body.home .course-thumbnail, body.course-detail-layout .course-thumbnail{
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 12px 12px 0 0;
        }

        body.home .course-thumbnail .entry-media, body.course-detail-layout .course-thumbnail .entry-media{
            width: 100%;
            height: 100%;
        }

        body.home .course-thumbnail .entry-media .placeholder, body.course-detail-layout .course-thumbnail .entry-media .placeholder{
            height: 100% !important;
        }

        body.home .course-thumbnail .entry-media a, body.course-detail-layout .course-thumbnail .entry-media a{
            width: 100% !important;
            height: 100% !important;
            background-size: cover;
            background-position: center;
            display: block;
        }

        /* Fallback gradients for thumbnails without images */
        body.home .course-card:nth-child(8n+2) .course-thumbnail, body.course-detail-layout .course-card:nth-child(8n+2) .course-thumbnail{
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
        }

        body.home .course-card:nth-child(8n+3) .course-thumbnail, body.course-detail-layout .course-card:nth-child(8n+3) .course-thumbnail{
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
        }

        body.home .course-card:nth-child(8n+4) .course-thumbnail, body.course-detail-layout .course-card:nth-child(8n+4) .course-thumbnail{
            background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
        }

        body.home .course-card:nth-child(8n+5) .course-thumbnail, body.course-detail-layout .course-card:nth-child(8n+5) .course-thumbnail{
            background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
        }

        body.home .course-card:nth-child(8n+6) .course-thumbnail, body.course-detail-layout .course-card:nth-child(8n+6) .course-thumbnail{
            background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
        }

        body.home .course-card:nth-child(8n+7) .course-thumbnail, body.course-detail-layout .course-card:nth-child(8n+7) .course-thumbnail{
            background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
        }

        body.home .course-card:nth-child(8n+8) .course-thumbnail, body.course-detail-layout .course-card:nth-child(8n+8) .course-thumbnail{
            background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
        }

        body.home .course-tag, body.course-detail-layout .course-tag{
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 3px 8px;
            font-size: 10px;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            color: #ffffff;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        body.home .course-tag.hot, body.course-detail-layout .course-tag.hot{
            background: linear-gradient(135deg, #ef4444, #f97316);
        }

        body.home .course-tag.new, body.course-detail-layout .course-tag.new{
            background: linear-gradient(135deg, #06b6d4, #6366f1);
        }

        body.home .course-tag.free, body.course-detail-layout .course-tag.free{
            background: linear-gradient(135deg, #10b981, #059669);
        }

        body.home .course-info, body.course-detail-layout .course-info{
            padding: 12px 14px;
        }

        body.home .course-category, body.course-detail-layout .course-category{
            font-size: 11px;
            font-weight: 600;
            color: #0e7490;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        body.home .course-title, body.course-detail-layout .course-title{
            font-size: 15px;
            font-weight: 600;
            color: #111114;
            margin-bottom: 8px;
            line-height: 1.55;
            letter-spacing: -0.005em;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        body.home .course-desc, body.course-detail-layout .course-desc{
            font-size: 13px;
            color: #52525b;
            margin-bottom: 10px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        body.home .course-desc p, body.course-detail-layout .course-desc p{
            margin: 0;
        }

        body.home .course-meta, body.course-detail-layout .course-meta{
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            border-top: 1px solid rgba(17, 17, 20, 0.10);
        }

        body.home .course-price, body.course-detail-layout .course-price{
            font-size: 15px;
            font-weight: 700;
            background: linear-gradient(135deg, #6366f1, #ec4899);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        body.home .course-price.free, body.course-detail-layout .course-price.free{
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        body.home .course-stats, body.course-detail-layout .course-stats{
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: #71717a;
        }

        body.home .stat-item, body.course-detail-layout .stat-item{
            display: flex;
            align-items: center;
            gap: 3px;
        }

        body.home .stat-item .star, body.course-detail-layout .stat-item .star{
            color: #b45309;
        }

        body.home .empty-state, body.course-detail-layout .empty-state{
            text-align: center;
            padding: 60px 20px;
            color: #71717a;
            grid-column: 1 / -1;
        }

        body.home .empty-state h3, body.course-detail-layout .empty-state h3{
            font-size: 18px;
            color: #3f3f46;
            margin-bottom: 8px;
        }

        /* Pagination override */
        body.home .pagination, body.course-detail-layout .pagination{
            margin-top: 2rem;
            display: flex;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        body.home .pagination a, body.course-detail-layout .pagination a,
        body.home .pagination span, body.course-detail-layout .pagination span{
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 12px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            color: #3f3f46;
            background: rgba(255, 255, 255, 0.62);
            border: 1px solid rgba(17, 17, 20, 0.10);
            text-decoration: none;
            transition: all 0.2s ease;
        }

        body.home .pagination a.current, body.course-detail-layout .pagination a.current,
        body.home .pagination a:hover, body.course-detail-layout .pagination a:hover,
        body.home .pagination span.current, body.course-detail-layout .pagination span.current{
            background: rgba(255, 255, 255, 0.9);
            color: #ffffff;
            border-color: rgba(17, 17, 20, 0.16);
        }

        /* Footer override */
        body.home .site-footer, body.course-detail-layout .site-footer{
            background-color: #f6f6f8;
            color: #52525b;
            border-top: 1px solid rgba(17, 17, 20, 0.10);
        }

        body.home .site-footer a, body.course-detail-layout .site-footer a{
            color: #3f3f46;
        }

        body.home .site-footer a:hover, body.course-detail-layout .site-footer a:hover{
            color: #111114;
        }

        /* Responsive */
        @media (max-width: 991px) {
            body.home .course-sidebar, body.course-detail-layout .course-sidebar{
                width: 200px;
            }

            body.home .course-main, body.course-detail-layout .course-main{
                margin-left: 200px;
                padding: 16px 20px 2rem;
            }

            body.home .course-grid, body.course-detail-layout .course-grid{
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
                gap: 14px;
            }
        }

        @media (max-width: 768px) {
            body.home .header-search-form, body.course-detail-layout .header-search-form{
                display: none;
            }

            body.home .course-app, body.course-detail-layout .course-app{
                flex-direction: column;
                padding-top: 52px;
            }

            body.apg-generated-post .course-app{
                padding-top: 16px;
            }

            /* 移动端侧栏 = 单行横向分类条。
               必须重置 transform：course-detail.css 给 body.course-detail-layout
               的抽屉位移（translateX(-100%)）如果不覆盖，侧栏会不可见却仍占
               ~1400px 布局高度，把正文推到第二屏之后。 */
            body.home .course-sidebar, body.course-detail-layout .course-sidebar{
                width: 100%;
                position: static;
                top: auto;
                left: auto;
                bottom: auto;
                height: auto;
                transform: none !important;
                border: none;
                border-radius: 0;
                margin: 0;
                padding: 0;
                background: transparent;
                box-shadow: none;
                overflow: visible;
                z-index: auto;
                display: block;
            }

            /* 抽屉按钮只在抽屉模式下有意义；这里是内联横条，且它 34px + 10px
               正好是文章页头部横向溢出的 44px */
            body.home .course-sidebar-toggle, body.course-detail-layout .course-sidebar-toggle{
                display: none !important;
            }

            body.home .course-main, body.course-detail-layout .course-main{
                margin-left: 0;
                padding: 0 16px 2rem;
            }

            /* 只保留「实操指南」面板（aside 的第 2 个 .sidebar-panel）：
               学习中心/我的已由底部导航承担，AI 创作中心由顶部入口承担 */
            body.home .course-sidebar .sidebar-panel,
            body.course-detail-layout .course-sidebar .sidebar-panel{
                display: none;
            }

            body.home .course-sidebar .sidebar-panel:nth-of-type(2),
            body.course-detail-layout .course-sidebar .sidebar-panel:nth-of-type(2){
                display: flex;
                flex-wrap: nowrap;
                align-items: center;
                gap: 8px;
                margin: 0;
                padding: 6px 16px 8px;
                border: none;
                border-radius: 0;
                background: transparent;
                -webkit-backdrop-filter: none;
                backdrop-filter: none;
                overflow-x: auto;
                overflow-y: hidden;
                scrollbar-width: none;
                -ms-overflow-style: none;
                -webkit-overflow-scrolling: touch;
                scroll-snap-type: x proximity;
                /* 右侧渐隐：提示这条分类条可以横向滑动，而不是被硬截断 */
                -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 26px), transparent 100%);
                mask-image: linear-gradient(to right, #000 calc(100% - 26px), transparent 100%);
            }

            body.home .course-sidebar .sidebar-panel:nth-of-type(2)::-webkit-scrollbar,
            body.course-detail-layout .course-sidebar .sidebar-panel:nth-of-type(2)::-webkit-scrollbar{
                display: none;
            }

            body.home .course-sidebar .sidebar-panel:nth-of-type(2) > .panel-title,
            body.course-detail-layout .course-sidebar .sidebar-panel:nth-of-type(2) > .panel-title{
                display: none;
            }

            /* 一级 / 二级分类 → 36px 胶囊 chips */
            body.home .course-sidebar .sidebar-item,
            body.course-detail-layout .course-sidebar .sidebar-item{
                flex: 0 0 auto;
                display: inline-flex;
                align-items: center;
                gap: 6px;
                height: 36px;
                padding: 0 14px;
                margin: 0;
                border: 1px solid rgba(17, 17, 20, 0.08);
                border-radius: 999px;
                background: rgba(255, 255, 255, 0.92);
                color: #3f3f46;
                font-size: 13px;
                line-height: 1;
                white-space: nowrap;
                scroll-snap-align: start;
                -webkit-tap-highlight-color: transparent;
            }

            body.home .course-sidebar .sidebar-item:active,
            body.course-detail-layout .course-sidebar .sidebar-item:active{
                background: rgba(99, 102, 241, 0.10);
            }

            body.home .course-sidebar .sidebar-item .sidebar-icon,
            body.course-detail-layout .course-sidebar .sidebar-item .sidebar-icon{
                display: none;
            }

            body.home .course-sidebar .sidebar-item .sidebar-label,
            body.course-detail-layout .course-sidebar .sidebar-item .sidebar-label{
                flex: 0 0 auto;
                display: inline-block;
                color: inherit;
                font-size: 13px;
                white-space: nowrap;
            }

            body.home .course-sidebar .sidebar-item .sidebar-badge,
            body.course-detail-layout .course-sidebar .sidebar-item .sidebar-badge{
                margin-left: 0;
                min-width: 18px;
                height: 18px;
                padding: 0 5px;
                font-size: 11px;
                line-height: 18px;
                text-align: center;
                border-radius: 999px;
                background: rgba(17, 17, 20, 0.06);
                color: #71717a;
            }

            body.home .course-sidebar .sidebar-sub,
            body.course-detail-layout .course-sidebar .sidebar-sub{
                padding: 0 12px;
                font-size: 12.5px;
            }

            body.home .course-sidebar .sidebar-item.active,
            body.course-detail-layout .course-sidebar .sidebar-item.active{
                border-color: transparent;
                background: linear-gradient(135deg, #6366f1, #4f46e5);
                color: #ffffff;
            }

            body.home .course-sidebar .sidebar-item.active .sidebar-label,
            body.course-detail-layout .course-sidebar .sidebar-item.active .sidebar-label{
                color: #ffffff;
            }

            body.home .course-sidebar .sidebar-item.active .sidebar-badge,
            body.course-detail-layout .course-sidebar .sidebar-item.active .sidebar-badge{
                background: rgba(255, 255, 255, 0.24);
                color: #ffffff;
            }

            body.home .course-sidebar .ai-grid, body.course-detail-layout .course-sidebar .ai-grid{
                grid-template-columns: repeat(4, 1fr);
            }

            body.home .stats-bar, body.course-detail-layout .stats-bar{
                flex-wrap: wrap;
                gap: 10px;
            }

            body.home .course-grid, body.course-detail-layout .course-grid{
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
                gap: 12px;
            }

            body.home .course-info, body.course-detail-layout .course-info{
                padding: 10px 12px;
            }

            body.home .course-title, body.course-detail-layout .course-title{
                font-size: 13px;
            }

            body.home .course-desc, body.course-detail-layout .course-desc{
                font-size: 11px;
            }
        }

        /* Login/Signup modal light theme */
        body.home .swal2-popup, body.course-detail-layout .swal2-popup{
            width: 380px !important;
            max-width: 90vw !important;
        }

        body.home .swal2-popup .ajax-signup-form, body.course-detail-layout .swal2-popup .ajax-signup-form,
        body.home .swal2-popup .ajax-signup-form.card, body.course-detail-layout .swal2-popup .ajax-signup-form.card{
            background: #ffffff;
            border: 1px solid rgba(17, 17, 20, 0.10);
            border-radius: 14px;
            box-shadow: 0 24px 60px rgba(17, 17, 20, 0.12);
            color: #111114;
            padding: 24px;
        }

        body.home .swal2-popup .logo-wrapper, body.course-detail-layout .swal2-popup .logo-wrapper{
            max-width: 100% !important;
            padding-top: 10px !important;
        }

        body.home .swal2-popup .logo, body.course-detail-layout .swal2-popup .logo{
            justify-content: center;
            white-space: nowrap;
            font-size: 1.25rem;
        }

        body.home .swal2-popup .swal2-close, body.course-detail-layout .swal2-popup .swal2-close{
            color: #3f3f46;
            transition: color 0.2s ease;
        }

        body.home .swal2-popup .swal2-close:hover, body.course-detail-layout .swal2-popup .swal2-close:hover{
            color: #111114;
        }

        body.home .swal2-popup .swal2-html-container, body.course-detail-layout .swal2-popup .swal2-html-container{
            padding: 0;
        }

        body.home .ajax-signup-form .login-page-title, body.course-detail-layout .ajax-signup-form .login-page-title{
            border-bottom: 1px solid rgba(17, 17, 20, 0.10);
            color: #3f3f46;
        }

        body.home .ajax-signup-form .login-page-title p, body.course-detail-layout .ajax-signup-form .login-page-title p{
            color: #3f3f46;
        }

        body.home .ajax-signup-form label, body.course-detail-layout .ajax-signup-form label{
            color: #3f3f46;
        }

        body.home .ajax-signup-form .form-control, body.course-detail-layout .ajax-signup-form .form-control{
            background: rgba(255, 255, 255, 0.62);
            border: 1px solid rgba(17, 17, 20, 0.10);
            color: #111114;
            border-radius: 8px;
        }

        body.home .ajax-signup-form .form-control:focus, body.course-detail-layout .ajax-signup-form .form-control:focus{
            background: rgba(255, 255, 255, 0.8);
            border-color: rgba(99, 102, 241, 0.5);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
            color: #111114;
        }

        body.home .ajax-signup-form .form-control::placeholder, body.course-detail-layout .ajax-signup-form .form-control::placeholder{
            color: #71717a;
        }

        body.home .ajax-signup-form .btn-dark, body.course-detail-layout .ajax-signup-form .btn-dark{
            background: linear-gradient(135deg, #6366f1, #ec4899);
            border: none;
            color: #ffffff;
            border-radius: 8px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        body.home .ajax-signup-form .btn-dark:hover, body.course-detail-layout .ajax-signup-form .btn-dark:hover{
            opacity: 0.9;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
        }

        body.home .ajax-signup-form .btn-link, body.course-detail-layout .ajax-signup-form .btn-link{
            color: #0e7490;
        }

        body.home .ajax-signup-form .btn-link:hover, body.course-detail-layout .ajax-signup-form .btn-link:hover{
            color: #0891b2;
        }

        body.home .ajax-signup-form .text-muted, body.course-detail-layout .ajax-signup-form .text-muted,
        body.home .ajax-signup-form small.text-dark, body.course-detail-layout .ajax-signup-form small.text-dark{
            color: #52525b !important;
        }

        body.home .ajax-signup-form .dropdown-divider, body.course-detail-layout .ajax-signup-form .dropdown-divider,
        body.home .ajax-signup-form hr, body.course-detail-layout .ajax-signup-form hr{
            border-color: rgba(17, 17, 20, 0.10);
        }

        body.home .ajax-signup-form .social-text hr, body.course-detail-layout .ajax-signup-form .social-text hr{
            border-color: rgba(17, 17, 20, 0.10) !important;
        }

        body.home .ajax-signup-form .social-text .absolute-centered, body.course-detail-layout .ajax-signup-form .social-text .absolute-centered{
            background: #ffffff !important;
            color: #52525b !important;
        }

        body.home .ajax-signup-form .oauth .btn-outline-success, body.course-detail-layout .ajax-signup-form .oauth .btn-outline-success{
            background: rgba(16, 185, 129, 0.1);
            border-color: rgba(16, 185, 129, 0.4);
            color: #047857;
        }

        body.home .ajax-signup-form .oauth .btn-outline-success:hover, body.course-detail-layout .ajax-signup-form .oauth .btn-outline-success:hover{
            background: rgba(16, 185, 129, 0.2);
            border-color: rgba(16, 185, 129, 0.6);
            color: #065f46;
        }

        body.home .ajax-signup-form .oauth .btn-outline-primary, body.course-detail-layout .ajax-signup-form .oauth .btn-outline-primary{
            background: rgba(59, 130, 246, 0.1);
            border-color: rgba(59, 130, 246, 0.4);
            color: #1d4ed8;
        }

        body.home .ajax-signup-form .oauth .btn-outline-primary:hover, body.course-detail-layout .ajax-signup-form .oauth .btn-outline-primary:hover{
            background: rgba(59, 130, 246, 0.2);
            border-color: rgba(59, 130, 246, 0.6);
            color: #1e40af;
        }

        body.home .ajax-signup-form .oauth .btn-outline-danger, body.course-detail-layout .ajax-signup-form .oauth .btn-outline-danger{
            background: rgba(239, 68, 68, 0.1);
            border-color: rgba(239, 68, 68, 0.4);
            color: #b91c1c;
        }

        body.home .ajax-signup-form .oauth .btn-outline-danger:hover, body.course-detail-layout .ajax-signup-form .oauth .btn-outline-danger:hover{
            background: rgba(239, 68, 68, 0.2);
            border-color: rgba(239, 68, 68, 0.6);
            color: #991b1b;
        }

        /* ===== 首页右侧边栏 ===== */
        body.home .course-aside{
            width: 260px;
            flex-shrink: 0;
            position: fixed;
            top: 72px;
            right: 20px;
            bottom: 20px;
            z-index: 4;
            overflow-y: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        body.home .course-aside::-webkit-scrollbar{
            display: none;
        }

        body.home .aside-rank,
        body.home .aside-vip-card,
        body.home .aside-ai-card{
            background: rgba(255, 255, 255, 0.55);
            border: 1px solid rgba(17, 17, 20, 0.08);
            border-radius: 16px;
            padding: 18px 16px;
            margin-bottom: 16px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        body.home .aside-rank h3{
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
            color: #111114;
        }

        body.home .aside-rank .tag-top{
            font-size: 15px;
            font-weight: 800;
            color: #b45309;
            background: rgba(255, 140, 66, 0.12);
            padding: 4px 8px;
            border-radius: 6px;
            line-height: 1;
        }

        body.home .aside-rank ul{
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        body.home .aside-rank li a{
            display: flex;
            align-items: center;
            gap: 10px;
            height: 50px;
            padding: 0 10px;
            background: rgba(255, 255, 255, 0.55);
            border-radius: 10px;
            color: #111114;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        body.home .aside-rank li a:hover{
            background: rgba(255, 255, 255, 0.8);
            transform: translateX(-2px);
        }

        body.home .rank-no{
            width: 24px;
            height: 24px;
            border-radius: 5px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: #111114;
        }

        body.home .rank-no.rank-hot{
            background: linear-gradient(135deg, #ff8c42 0%, #ffb333 100%);
            color: #ffffff;
        }

        body.home .rank-no.rank-normal{
            background: rgba(255, 255, 255, 0.8);
            color: #52525b;
        }

        body.home .rank-title{
            font-size: 13px;
            font-weight: 500;
            line-height: 1.35;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        body.home .rank-views{
            font-size: 11px;
            color: #71717a;
            flex-shrink: 0;
            padding-left: 4px;
        }

        body.home .aside-empty{
            font-size: 13px;
            color: #71717a;
            text-align: center;
            padding: 16px 0;
        }

        /* VIP 特权大卡 */
        body.home .aside-vip-card{
            display: flex;
            flex-direction: column;
            gap: 12px;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.85), rgba(6, 214, 160, 0.7));
            border: none;
            color: #ffffff;
        }

        body.home .aside-vip-card .head{
            display: flex;
            align-items: center;
            gap: 8px;
        }

        body.home .aside-vip-card .head i{
            font-size: 18px;
        }

        body.home .aside-vip-card .ht{
            font-size: 16px;
            font-weight: 700;
        }

        body.home .aside-vip-card .sub{
            font-size: 12px;
            color: rgba(255, 255, 255, 0.92);
            line-height: 1.6;
            white-space: pre-line;
        }

        body.home .aside-vip-card .btn{
            height: 38px;
            border-radius: 19px;
            background: #ffb333;
            color: #14141a;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        body.home .aside-vip-card .btn:hover{
            background: #ffc45a;
            transform: translateY(-1px);
        }

        /* AI 助手入口 */
        body.home .aside-ai-card{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #111114;
            transition: all 0.2s ease;
        }

        body.home .aside-ai-card:hover{
            background: rgba(255, 255, 255, 0.62);
            border-color: rgba(139, 92, 246, 0.25);
        }

        body.home .aside-ai-card .ic{
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #ff8c99 0%, #ffb333 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 18px;
        }

        body.home .aside-ai-card .txt{
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        body.home .aside-ai-card .tt{
            font-size: 14px;
            font-weight: 700;
        }

        body.home .aside-ai-card .td{
            font-size: 11px;
            color: #71717a;
        }

        /* 主内容让出右侧空间 */
        @media (min-width: 1280px) {
            body.home .course-main{
                margin-right: 280px;
            }
        }

        @media (max-width: 1279px) {
            body.home .course-aside{
                display: none;
            }
            body.home .course-main{
                margin-right: 0;
            }
        }

        /* ===== APG 文章阅读优化（参考 mofang-chaoxishe.html 免费阅读页） ===== */
        body.course-detail-layout .apg-article-content .apg-hero{
            margin: -6px -6px 18px;
            padding: 14px 18px 16px;
            background: linear-gradient(160deg, rgba(99,102,241,0.08) 0%, rgba(236,72,153,0.04) 100%);
            border: 1px solid rgba(17, 17, 20, 0.08);
            border-radius: 12px;
        }
        body.course-detail-layout .apg-article-content .apg-hero-badge{
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 11px;
            color: #047857;
            background: rgba(6,214,160,0.12);
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        body.course-detail-layout .apg-article-content .apg-hero-lead{
            color: #52525b;
            font-size: 14px;
            line-height: 1.7;
            max-height: 7.6em;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
        }
        body.course-detail-layout .apg-article-content .apg-keypoints{
            background: rgba(255, 255, 255, 0.55);
            border-radius: 12px;
            padding: 18px 20px;
            margin-bottom: 22px;
            border-left: 3px solid #6366f1;
        }
        body.course-detail-layout .apg-article-content .apg-keypoints h4{
            font-size: 14px;
            font-weight: 700;
            color: #4f46e5;
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        body.course-detail-layout .apg-article-content .apg-keypoints ul{
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        body.course-detail-layout .apg-article-content .apg-keypoints li{
            font-size: 14px;
            color: #3f3f46;
            line-height: 1.65;
            padding-left: 18px;
            position: relative;
        }
        body.course-detail-layout .apg-article-content .apg-keypoints li::before{
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #6366f1;
        }
        body.course-detail-layout .apg-article-content .entry-content h2,
        body.course-detail-layout .apg-article-content .entry-content h3{
            margin-top: 28px !important;
            margin-bottom: 14px !important;
        }
        body.course-detail-layout .apg-article-content .entry-content p{
            font-size: 15.5px;
            line-height: 2;
            margin-bottom: 24px;
            color: #3f3f46;
            letter-spacing: 0.015em;
            text-align: justify;
        }
        body.course-detail-layout .apg-article-content .entry-content p + p{
            margin-top: -6px;
        }
        body.course-detail-layout .apg-article-content .entry-content ul,
        body.course-detail-layout .apg-article-content .entry-content ol{
            padding-left: 22px;
            margin-bottom: 18px;
        }
        body.course-detail-layout .apg-article-content .entry-content li{
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 8px;
            color: #3f3f46;
        }
        body.course-detail-layout .apg-article-content .entry-content blockquote{
            background: rgba(255, 255, 255, 0.55);
            border-left: 3px solid #6366f1;
            border-radius: 0 10px 10px 0;
            padding: 16px 20px;
            margin: 20px 0;
        }
        body.course-detail-layout .apg-article-content .apg-faq-panel{
            margin-top: 28px;
            padding-top: 24px;
            border-top: 1px solid rgba(17, 17, 20, 0.08);
        }
        body.course-detail-layout .apg-article-content .apg-faq-panel > h3{
            font-size: 17px;
            font-weight: 700;
            color: #111114;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        body.course-detail-layout .apg-article-content .apg-faq{
            background: rgba(255, 255, 255, 0.55);
            border-radius: 10px;
            padding: 14px 16px;
            margin-bottom: 10px;
        }
        body.course-detail-layout .apg-article-content .apg-faq-q{
            font-size: 14px;
            font-weight: 700;
            color: #111114;
            margin-bottom: 6px;
        }
        body.course-detail-layout .apg-article-content .apg-faq-a{
            font-size: 13px;
            color: #52525b;
            line-height: 1.65;
        }
        body.course-detail-layout .apg-article-content .apg-vip-banner{
            background: linear-gradient(118deg, rgba(139,92,246,0.85) 0%, rgba(6,214,160,0.7) 100%);
            border-radius: 14px;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin: 28px 0 8px;
        }
        body.course-detail-layout .apg-article-content .apg-vip-banner .apg-vip-t{
            font-size: 16px;
            font-weight: 700;
            color: #fff;
        }
        body.course-detail-layout .apg-article-content .apg-vip-banner .apg-vip-d{
            font-size: 12px;
            color: rgba(255, 255, 255, 0.92);
            margin-top: 4px;
            line-height: 1.5;
        }
        body.course-detail-layout .apg-article-content .apg-vip-banner .apg-vip-btn{
            height: 38px;
            padding: 0 22px;
            border-radius: 19px;
            background: rgba(255, 255, 255, 0.9);
            color: #11131a;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }
        body.course-detail-layout .apg-article-content .apg-vip-banner .apg-vip-btn:hover{
            background: #fff;
            transform: translateY(-1px);
        }

        /* ===== APG 文章右侧栏 TOP10 + AI 卡 ===== */
        body.course-detail-layout .content-sidebar .apg-sidebar-rank{
            background: rgba(255, 255, 255, 0.55);
            border: 1px solid rgba(17, 17, 20, 0.08);
            border-radius: 14px;
            padding: 18px 16px;
            margin-bottom: 16px;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank h3{
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #111114;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank .tag-top{
            font-size: 16px;
            font-weight: 800;
            color: #b45309;
            background: rgba(255,140,66,0.12);
            padding: 3px 8px;
            border-radius: 6px;
            line-height: 1;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank ul{
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank li{
            display: flex;
            align-items: center;
            gap: 10px;
            height: 46px;
            padding: 0 8px;
            background: rgba(255, 255, 255, 0.55);
            border-radius: 8px;
            transition: background 0.15s ease;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank li:hover{
            background: rgba(255, 255, 255, 0.62);
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank .no{
            width: 22px;
            height: 22px;
            border-radius: 4px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #ff8c42 0%, #ffb333 100%);
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank li:nth-child(n+4) .no{
            background: rgba(255, 255, 255, 0.8);
            color: #71717a;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank .rt{
            flex: 1;
            min-width: 0;
            font-size: 13px;
            font-weight: 500;
            color: #111114;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-decoration: none;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank .rt:hover{
            color: #4f46e5;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-rank .rd{
            font-size: 11px;
            color: #71717a;
            flex-shrink: 0;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-ai{
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px;
            background: rgba(255,140,153,0.10);
            border: 1px solid rgba(255,140,153,0.15);
            border-radius: 14px;
            text-decoration: none;
            color: #111114;
            margin-bottom: 16px;
            transition: all 0.2s ease;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-ai:hover{
            background: rgba(255,140,153,0.15);
            border-color: rgba(255,140,153,0.25);
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-ai .ic{
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #ff8c99 0%, #ffb333 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-ai .txt{
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-ai .tt{
            font-size: 14px;
            font-weight: 700;
        }
        body.course-detail-layout .content-sidebar .apg-sidebar-ai .td{
            font-size: 11px;
            color: #52525b;
        }

        @media (max-width: 991px){
            body.course-detail-layout .apg-article-content .apg-vip-banner{
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 768px){
            body.course-detail-layout .apg-article-content .apg-hero,
            body.course-detail-layout .apg-article-content .apg-keypoints{
                margin-left: 0;
                margin-right: 0;
            }
            body.course-detail-layout .apg-article-content .apg-hero{
                padding: 12px 14px 14px;
            }
            body.course-detail-layout .apg-article-content .apg-hero-lead{
                font-size: 13.5px;
                line-height: 1.65;
                max-height: 5.1em;
                -webkit-line-clamp: 3;
            }
            body.course-detail-layout .apg-article-content .entry-content p{
                font-size: 15px;
                line-height: 1.9;
                margin-bottom: 20px;
            }
            body.course-detail-layout .apg-article-content .apg-vip-banner{
                padding: 16px 18px;
            }
        }

        /* ===== 全局移除模块背景，仅保留 body 背景 ===== */
        /* 首页与 APG 文章详情页：所有卡片/面板/边栏/浮层背景改为透明，
           只保留细微边框用于结构区分。图标、标签、按钮、徽章保持原色。 */

        body.home .site-header,
        body.course-detail-layout .site-header{
            background: transparent !important;
            border-bottom: 1px solid rgba(17, 17, 20, 0.10);
            box-shadow: none !important;
        }

        body.home .course-sidebar,
        body.course-detail-layout .course-sidebar{
            background: transparent !important;
            border-right: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.home .course-sidebar .sidebar-panel,
        body.course-detail-layout .course-sidebar .sidebar-panel{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        body.home .course-sidebar .sidebar-item.active,
        body.course-detail-layout .course-sidebar .sidebar-item.active{
            background: transparent !important;
            border: 1px solid rgba(124, 58, 237, 0.35);
            color: #ffffff;
        }

        body.home .course-sidebar .vip-btn-large,
        body.course-detail-layout .course-sidebar .vip-btn-large{
            background: transparent !important;
            border: 1px solid rgba(245, 158, 11, 0.4);
        }

        body.home .course-sidebar .ai-card,
        body.course-detail-layout .course-sidebar .ai-card{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.home .course-sidebar .ai-card::before,
        body.course-detail-layout .course-sidebar .ai-card::before{
            display: none !important;
        }

        body.home .course-main,
        body.course-detail-layout .course-main{
            background: transparent !important;
        }

        body.home .page-header,
        body.course-detail-layout .page-header{
            background: transparent !important;
        }

        body.home .quick-item,
        body.course-detail-layout .quick-item{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.10);
        }

        body.home .quick-item.active,
        body.course-detail-layout .quick-item.active{
            background: transparent !important;
            border: 1px solid rgba(99, 102, 241, 0.5);
            color: #ffffff;
        }

        body.home .stats-bar,
        body.course-detail-layout .stats-bar{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        body.home .course-card,
        body.course-detail-layout .course-card{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
            box-shadow: none !important;
        }

        body.home .course-card:hover,
        body.course-detail-layout .course-card:hover{
            background: transparent !important;
            border-color: rgba(17, 17, 20, 0.16);
            box-shadow: none !important;
        }

        body.home .course-info,
        body.course-detail-layout .course-info{
            background: transparent !important;
        }

        body.home .course-meta,
        body.course-detail-layout .course-meta{
            border-top: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.home .pagination a,
        body.home .pagination span,
        body.course-detail-layout .pagination a,
        body.course-detail-layout .pagination span{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.10);
        }

        body.home .pagination a:hover,
        body.home .pagination a.current,
        body.home .pagination span.current,
        body.course-detail-layout .pagination a:hover,
        body.course-detail-layout .pagination a.current,
        body.course-detail-layout .pagination span.current{
            background: transparent !important;
            border-color: rgba(17, 17, 20, 0.16);
        }

        /* 首页右侧边栏 */
        body.home .course-aside{
            background: transparent !important;
        }

        body.home .aside-rank,
        body.home .aside-vip-card,
        body.home .aside-ai-card{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        body.home .aside-rank li a{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.home .aside-rank li a:hover{
            background: rgba(255, 255, 255, 0.55) !important;
        }

        body.home .aside-ai-card:hover{
            background: rgba(255, 255, 255, 0.55) !important;
        }

        /* APG 文章详情页模块 */
        body.course-detail-layout .apg-article-content .apg-hero{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .apg-article-content .apg-keypoints{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            border-left: 3px solid #6366f1;
        }

        body.course-detail-layout .apg-article-content .apg-faq-panel{
            background: transparent !important;
            border-top: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .apg-article-content .apg-faq{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .apg-article-content .apg-vip-banner{
            background: transparent !important;
            border: 1px solid rgba(139, 92, 246, 0.35);
        }

        body.course-detail-layout .content-sidebar .apg-sidebar-rank,
        body.course-detail-layout .content-sidebar .apg-sidebar-ai{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        body.course-detail-layout .content-sidebar .apg-sidebar-rank li{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .content-sidebar .apg-sidebar-rank li:hover{
            background: rgba(255, 255, 255, 0.55) !important;
        }

        body.course-detail-layout .apg-purchase-cta{
            background: transparent !important;
            border: 1px solid rgba(99, 102, 241, 0.25);
        }

        body.course-detail-layout .apg-purchase-cta::before{
            display: none !important;
        }

        body.course-detail-layout .apg-related,
        body.course-detail-layout .apg-bottom-list{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .apg-related h3{
            background: transparent !important;
            border-bottom: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .apg-related .info-list li:hover{
            background: rgba(255, 255, 255, 0.55) !important;
        }

        /* 通用课程详情模块 */
        body.course-detail-layout.single-post .article-content .entry-wrapper{
            background: transparent !important;
            box-shadow: none !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        body.course-detail-layout .entry-wrapper,
        body.course-detail-layout .course-content-card,
        body.course-detail-layout .course-header,
        body.course-detail-layout .tabs,
        body.course-detail-layout .tab-content,
        body.course-detail-layout .sidebar-card,
        body.course-detail-layout .price-card{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
            box-shadow: none !important;
        }

        body.course-detail-layout .faq-item,
        body.course-detail-layout .accordion-faq .faq-item{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .faq-item:hover,
        body.course-detail-layout .accordion-faq .faq-item[open]{
            background: rgba(99, 102, 241, 0.04) !important;
            border-color: rgba(99, 102, 241, 0.25);
        }

        body.course-detail-layout .download-item,
        body.course-detail-layout .download-tips,
        body.course-detail-layout .download-notice-box,
        body.course-detail-layout .download-notice-icon{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .download-item:hover{
            background: rgba(99, 102, 241, 0.04) !important;
        }

        body.course-detail-layout .ai-article-card,
        body.course-detail-layout .ai-related-course-bottom{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .ai-article-card:hover{
            background: rgba(255, 255, 255, 0.55) !important;
        }

        body.course-detail-layout .related-box,
        body.course-detail-layout .related-posts .post{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
            box-shadow: none !important;
        }

        body.course-detail-layout .related-posts .post:hover{
            background: rgba(255, 255, 255, 0.55) !important;
            box-shadow: none !important;
        }

        body.course-detail-layout .tldr-box,
        body.course-detail-layout .extend-box,
        body.course-detail-layout .article-footer{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
            box-shadow: none !important;
        }

        body.course-detail-layout .tldr-box::before{
            display: none !important;
        }

        body.course-detail-layout .desc-text.u-text-format .related-list a{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .desc-text.u-text-format .related-list a:hover{
            background: rgba(99, 102, 241, 0.06) !important;
        }

        body.course-detail-layout #tab-comments .comment-list .comment-body{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        body.course-detail-layout .article-content .entry-tags a{
            background: transparent !important;
            border: 1px solid rgba(99, 102, 241, 0.3);
        }

        body.course-detail-layout .article-content .entry-tags a:hover{
            background: rgba(99, 102, 241, 0.1) !important;
        }

        /* 首页 SEO 文章列表区 */
        body.home .home-seo-list-wrap{
            background: transparent !important;
            border: 1px solid rgba(17, 17, 20, 0.08);
        }

        /* 移除 body/app 层背景装饰（保留 body::before/after 与 course-app::before 光晕） */
        body.home #main,
        body.course-detail-layout #main,
        body.home .site-content,
        body.course-detail-layout .site-content{
            background: transparent !important;
        }

        body.home .site-footer,
        body.course-detail-layout .site-footer{
            background: transparent !important;
            border-top: 1px solid rgba(17, 17, 20, 0.08);
        }

        /* 弹窗保持可读，不完全透明 */
        body.home .swal2-popup .ajax-signup-form,
        body.course-detail-layout .swal2-popup .ajax-signup-form,
        body.home .site-header .dropdown-menu,
        body.course-detail-layout .site-header .dropdown-menu{
            background-color: #ffffff !important;
        }

        /* ===== 亮版磨砂玻璃层：覆盖上方“背景透明”规则，恢复玻璃质感 ===== */
        body.home .site-header,
        body.course-detail-layout .site-header{
            background: rgba(255, 255, 255, 0.72) !important;
            backdrop-filter: blur(20px) saturate(180%) !important;
            -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
            border-bottom: 1px solid rgba(17, 17, 20, 0.08) !important;
            box-shadow: 0 1px 0 rgba(17, 17, 20, 0.02) !important;
        }

        body.home .course-sidebar,
        body.course-detail-layout .course-sidebar{
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.90) 0%, rgba(255, 255, 255, 0.66) 100%) !important;
            backdrop-filter: blur(18px) saturate(160%) !important;
            -webkit-backdrop-filter: blur(18px) saturate(160%) !important;
            border-right: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        body.home .course-sidebar .sidebar-panel,
        body.course-detail-layout .course-sidebar .sidebar-panel{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
            backdrop-filter: blur(12px) !important;
            -webkit-backdrop-filter: blur(12px) !important;
        }

        body.home .course-sidebar .sidebar-item.active,
        body.course-detail-layout .course-sidebar .sidebar-item.active{
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(168, 85, 247, 0.05)) !important;
            border: 1px solid rgba(124, 58, 237, 0.22) !important;
            color: #4f46e5 !important;
        }

        body.home .course-sidebar .ai-card,
        body.course-detail-layout .course-sidebar .ai-card{
            background: rgba(255, 255, 255, 0.5) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        body.home .quick-item,
        body.course-detail-layout .quick-item{
            background: rgba(255, 255, 255, 0.62) !important;
            border: 1px solid rgba(17, 17, 20, 0.10) !important;
            backdrop-filter: blur(10px) !important;
            -webkit-backdrop-filter: blur(10px) !important;
        }

        body.home .quick-item.active,
        body.course-detail-layout .quick-item.active{
            background: linear-gradient(135deg, #6366f1, #ec4899) !important;
            border-color: transparent !important;
            color: #ffffff !important;
        }

        body.home .stats-bar,
        body.course-detail-layout .stats-bar{
            background: rgba(255, 255, 255, 0.62) !important;
            border: 1px solid rgba(17, 17, 20, 0.10) !important;
            backdrop-filter: blur(10px) !important;
            -webkit-backdrop-filter: blur(10px) !important;
        }

        body.home .course-card,
        body.course-detail-layout .course-card{
            background: rgba(255, 255, 255, 0.72) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
            backdrop-filter: blur(16px) !important;
            -webkit-backdrop-filter: blur(16px) !important;
            box-shadow: 0 4px 14px rgba(17, 17, 20, 0.04) !important;
        }

        body.home .course-card:hover,
        body.course-detail-layout .course-card:hover{
            background: rgba(255, 255, 255, 0.9) !important;
            border-color: rgba(17, 17, 20, 0.16) !important;
            box-shadow: 0 12px 28px rgba(17, 17, 20, 0.08) !important;
        }

        body.home .pagination a,
        body.home .pagination span,
        body.course-detail-layout .pagination a,
        body.course-detail-layout .pagination span{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.10) !important;
        }

        body.home .pagination a:hover,
        body.home .pagination a.current,
        body.home .pagination span.current,
        body.course-detail-layout .pagination a:hover,
        body.course-detail-layout .pagination a.current,
        body.course-detail-layout .pagination span.current{
            background: #111114 !important;
            color: #ffffff !important;
            border-color: #111114 !important;
        }

        /* 右栏：玻璃卡 + 保留彩色渐变 */
        body.home .aside-rank,
        body.home .aside-ai-card{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
            backdrop-filter: blur(12px) !important;
            -webkit-backdrop-filter: blur(12px) !important;
        }

        body.home .aside-vip-card{
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.85), rgba(6, 214, 160, 0.7)) !important;
            border: none !important;
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
        }

        body.home .aside-rank li a{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        body.home .aside-rank li a:hover{
            background: rgba(255, 255, 255, 0.8) !important;
            border-color: rgba(17, 17, 20, 0.16) !important;
        }

        body.home .aside-ai-card:hover{
            background: rgba(255, 255, 255, 0.62) !important;
        }

        /* APG 文章页：玻璃面板 + 保留 hero/vip 渐变 */
        body.course-detail-layout .apg-article-content .apg-hero{
            background: linear-gradient(160deg, rgba(99, 102, 241, 0.08) 0%, rgba(236, 72, 153, 0.04) 100%) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        body.course-detail-layout .apg-article-content .apg-keypoints{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
            border-left: 3px solid #6366f1 !important;
        }

        body.course-detail-layout .apg-article-content .apg-faq{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        body.course-detail-layout .apg-article-content .apg-vip-banner{
            background: linear-gradient(118deg, rgba(139, 92, 246, 0.85) 0%, rgba(6, 214, 160, 0.7) 100%) !important;
            border: none !important;
        }

        body.course-detail-layout .content-sidebar .apg-sidebar-rank,
        body.course-detail-layout .content-sidebar .apg-sidebar-ai{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
            backdrop-filter: blur(12px) !important;
            -webkit-backdrop-filter: blur(12px) !important;
        }

        body.course-detail-layout .content-sidebar .apg-sidebar-rank li{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        body.course-detail-layout .content-sidebar .apg-sidebar-rank li:hover{
            background: rgba(255, 255, 255, 0.8) !important;
        }

        body.course-detail-layout .entry-wrapper,
        body.course-detail-layout .course-content-card,
        body.course-detail-layout .course-header,
        body.course-detail-layout .tabs,
        body.course-detail-layout .tab-content,
        body.course-detail-layout .sidebar-card,
        body.course-detail-layout .price-card{
            background: rgba(255, 255, 255, 0.72) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
            backdrop-filter: blur(16px) !important;
            -webkit-backdrop-filter: blur(16px) !important;
            box-shadow: 0 4px 14px rgba(17, 17, 20, 0.04) !important;
        }

        body.course-detail-layout .tldr-box,
        body.course-detail-layout .extend-box,
        body.course-detail-layout .article-footer,
        body.course-detail-layout .apg-related,
        body.course-detail-layout .apg-bottom-list,
        body.home .home-seo-list-wrap{
            background: rgba(255, 255, 255, 0.55) !important;
            border: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        body.home .site-footer,
        body.course-detail-layout .site-footer{
            background: #fafafa !important;
            border-top: 1px solid rgba(17, 17, 20, 0.08) !important;
        }

        /* ===== 排版细节：字体栈 / 网格间距 / 焦点环 / 动效无障碍 ===== */
        body.home, body.course-detail-layout{
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        @media (min-width: 1200px){
            body.home .course-grid, body.course-detail-layout .course-grid{
                gap: 20px;
            }
        }

        body.home ::selection, body.course-detail-layout ::selection{
            background: rgba(99, 102, 241, 0.18);
            color: #111114;
        }

        body.home a:focus-visible, body.course-detail-layout a:focus-visible,
        body.home button:focus-visible, body.course-detail-layout button:focus-visible,
        body.home input:focus-visible, body.course-detail-layout input:focus-visible,
        body.home textarea:focus-visible, body.course-detail-layout textarea:focus-visible{
            outline: 2px solid rgba(99, 102, 241, 0.55);
            outline-offset: 2px;
        }

        @media (prefers-reduced-motion: reduce){
            body.home *, body.course-detail-layout *{
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ===== 移动端版面优化（≤767px / ≤480px） ===== */
        @media (max-width: 767px){
            /* 防溢出兜底：长英文串 / 宽表格不再撑出横向滚动 */
            html{
                overflow-x: clip;
            }
            body.home, body.course-detail-layout{
                overflow-x: clip;
            }
            body.home .course-main img, body.course-detail-layout .course-main img,
            body.home .course-main table, body.course-detail-layout .course-main table,
            body.home .course-main pre, body.course-detail-layout .course-main pre{
                max-width: 100%;
            }

            /* 版面呼吸：左右内边距 16px → 14px，把宽度还给内容 */
            body.home .course-main, body.course-detail-layout .course-main{
                padding: 0 14px 2rem;
            }

            /* 页头标题：h1 原来无样式，移动端约 40px 占满首屏 */
            body.home .page-header, body.course-detail-layout .page-header{
                margin-bottom: 16px;
            }
            body.home .page-header h1, body.course-detail-layout .page-header h1{
                font-size: clamp(22px, 6.6vw, 28px);
                font-weight: 700;
                line-height: 1.3;
                letter-spacing: -0.02em;
                margin: 0 0 8px;
                color: #111114;
                text-wrap: balance;
            }
            body.home .page-header h2, body.course-detail-layout .page-header h2{
                font-size: 20px;
                line-height: 1.35;
            }
            body.home .page-header p, body.course-detail-layout .page-header p{
                font-size: 14px;
                line-height: 1.7;
                margin-bottom: 0;
            }

            /* 筛选按钮：提升到 36px 触控高度 */
            body.home .quick-item, body.course-detail-layout .quick-item,
            body.home .filter-tab, body.course-detail-layout .filter-tab{
                min-height: 36px;
                padding: 7px 14px;
                font-size: 13px;
            }
            body.home .quick-bar, body.course-detail-layout .quick-bar{
                gap: 8px;
                margin-bottom: 12px;
            }
            body.home .stats-bar, body.course-detail-layout .stats-bar{
                font-size: 12.5px;
            }

            /* 汉堡按钮：30×30 → 44×44 命中区，横线重新居中 */
            body.home .site-header .burger, body.course-detail-layout .site-header .burger{
                width: 44px;
                height: 44px;
                border-radius: 10px;
            }
            body.home .site-header .burger:before, body.home .site-header .burger:after,
            body.course-detail-layout .site-header .burger:before, body.course-detail-layout .site-header .burger:after{
                left: 50%;
                margin-left: -6.5px;
                width: 13px;
            }
            body.home .site-header .burger:before, body.course-detail-layout .site-header .burger:before{
                top: 15px;
            }
            body.home .site-header .burger:after, body.course-detail-layout .site-header .burger:after{
                bottom: 15px;
            }

            /* 课程卡：手机两列时 13px/11px 过小 */
            body.home .course-title, body.course-detail-layout .course-title{
                font-size: 14px;
                line-height: 1.5;
            }
            body.home .course-desc, body.course-detail-layout .course-desc{
                font-size: 12px;
                line-height: 1.6;
            }
            body.home .course-info, body.course-detail-layout .course-info{
                padding: 10px;
            }

            /* 头部左右呼吸：24px → 16px，与主流移动端头部一致 */
            body.home .site-header .container, body.course-detail-layout .site-header .container{
                padding-left: 16px;
                padding-right: 16px;
            }

            /* 抽屉：宽度自适应、动态视口高度、安全区与关闭按钮命中区
               （基准 320px + 100vh 的写法在 390px 屏上边距过窄，iOS 上底部也会被手势区压住） */
            .off-canvas{
                width: min(86vw, 340px);
                height: 100vh;
                height: 100dvh;
                padding: calc(60px + env(safe-area-inset-top)) 0 calc(15px + env(safe-area-inset-bottom));
                -webkit-transform: translateX(100%);
                transform: translateX(100%);
                overscroll-behavior: contain;
                border-left: 1px solid rgba(17, 17, 20, 0.08);
                box-shadow: -8px 0 32px rgba(17, 17, 20, 0.10);
            }
            .off-canvas .canvas-close{
                width: 44px;
                height: 44px;
                right: 10px;
                top: calc(10px + env(safe-area-inset-top));
                background: rgba(17, 17, 20, 0.05);
                box-shadow: none;
            }
            .off-canvas .canvas-close .fas{
                font-size: 16px;
                color: #3f3f46;
            }
            .off-canvas .mobile-shortcut-list{
                padding: 6px 10px;
            }
            .off-canvas .mobile-shortcut-list > li > a{
                min-height: 48px;
                padding: 10px;
                font-size: 15.5px;
                -webkit-tap-highlight-color: transparent;
            }
            .off-canvas .mobile-shortcut-list > li > a:active{
                background: rgba(99, 102, 241, 0.10);
                color: #111114;
            }

            /* 触控反馈：手机上没有 hover，用 :active 给一个“按下去”的确认 */
            body.home .free-article-card:active, body.course-detail-layout .free-article-card:active,
            body.home .course-card:active, body.course-detail-layout .course-card:active{
                transform: scale(0.985);
                opacity: 0.92;
            }
            body.home a, body.home button, body.course-detail-layout a, body.course-detail-layout button{
                -webkit-tap-highlight-color: transparent;
            }
        }

        /* ===== 移动端底部导航（Material 3：3–5 个目的地，触控区 ≥48px） ===== */
        @media (max-width: 1024px){
            /* 原 60px 是为底部栏预留的；补上安全区，避免 iPhone 手势区压住最后一项 */
            body{
                padding-bottom: calc(60px + env(safe-area-inset-bottom)) !important;
            }
            /* 第 716 行把首页/文章页/导购页的底部栏整体隐藏，这里用同一份配置恢复 */
            body.home .m-menubar, body.course-detail-layout .m-menubar{
                display: block !important;
                background: rgba(255, 255, 255, 0.82);
                -webkit-backdrop-filter: blur(20px) saturate(180%);
                backdrop-filter: blur(20px) saturate(180%);
                border-top: 1px solid rgba(17, 17, 20, 0.08);
                box-shadow: 0 -1px 12px rgba(17, 17, 20, 0.04);
                padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
                z-index: 100;
            }
            body.home .m-menubar:before, body.course-detail-layout .m-menubar:before{
                display: none;
            }
            body.home .m-menubar li, body.course-detail-layout .m-menubar li{
                font-size: 11.5px;
                line-height: 1.2;
            }
            body.home .m-menubar li a, body.course-detail-layout .m-menubar li a{
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2px;
                min-height: 48px;
                margin: 0;
                padding: 2px 0;
                color: #52525b;
                font-size: 11.5px;
                -webkit-tap-highlight-color: transparent;
            }
            body.home .m-menubar li a > i, body.course-detail-layout .m-menubar li a > i{
                font-size: 18px;
                line-height: 1;
                margin: 0;
                color: #71717a;
            }
            body.home .m-menubar li.active a, body.course-detail-layout .m-menubar li.active a,
            body.home .m-menubar li.active a > i, body.course-detail-layout .m-menubar li.active a > i{
                color: #4f46e5;
            }
            body.home .m-menubar li a:active, body.course-detail-layout .m-menubar li a:active{
                background: rgba(99, 102, 241, 0.08);
            }
            body.home .m-menubar .back-to-top span, body.course-detail-layout .m-menubar .back-to-top span{
                display: none;
            }
            /* 抽屉展开时让位，避免压住遮罩和抽屉 */
            body.canvas-opened .m-menubar{
                display: none !important;
            }
        }

        @media (max-width: 480px){
            /* 360–390px 下 logo + VIP + 搜索 + 登录 + 抽屉刚好超出屏幕：
               缩小 logo 并收紧图标间距，保证登录与抽屉入口都在屏内 */
            body.home .site-header .logo, body.course-detail-layout .site-header .logo{
                font-size: 1.2rem;
                gap: 6px;
            }
            body.home .site-header .logo-icon, body.course-detail-layout .site-header .logo-icon{
                width: 24px;
                height: 24px;
                font-size: 14px;
                border-radius: 5px;
            }

            body.home .site-header .navbar, body.course-detail-layout .site-header .navbar{
                gap: 6px;
            }
            body.home .site-header .actions .navbar-button.ml-2,
            body.course-detail-layout .site-header .actions .navbar-button.ml-2{
                margin-left: 4px !important;
            }

            body.home .course-grid, body.course-detail-layout .course-grid{
                gap: 10px;
            }
            body.home .stats-bar, body.course-detail-layout .stats-bar{
                gap: 8px;
            }
            body.home .filter-tabs, body.course-detail-layout .filter-tabs{
                gap: 6px;
            }
        }

        /* 小屏（iPhone SE / 320–380px）：再收一档，保证 logo、搜索、登录、抽屉同屏可见 */
        @media (max-width: 380px){
            body.home .site-header .container, body.course-detail-layout .site-header .container{
                padding-left: 12px;
                padding-right: 12px;
            }
            body.home .site-header .logo, body.course-detail-layout .site-header .logo{
                font-size: 1.05rem;
                gap: 5px;
            }
            body.home .site-header .logo-icon, body.course-detail-layout .site-header .logo-icon{
                width: 22px;
                height: 22px;
                font-size: 13px;
            }
        }

        /* 极窄屏（≤340px，如 iPhone SE 一代 320px）：收紧操作区间距，避免右侧按钮被裁 */
        @media (max-width: 340px){
            body.home .site-header .container, body.course-detail-layout .site-header .container{
                padding-left: 10px;
                padding-right: 10px;
            }
            body.home .site-header .actions, body.course-detail-layout .site-header .actions{
                gap: 6px !important;
            }
            body.home .site-header .actions .navbar-button.ml-2,
            body.course-detail-layout .site-header .actions .navbar-button.ml-2{
                margin-left: 0 !important;
            }
        }

        /* 详情页 · 手机端相关文章：8 张大图卡片约 2400px，占了三屏多。
           改成 104×74 缩略图 + 两行标题的紧凑横条，整块降到约 700px。 */
        @media (max-width: 768px){
            body.single-post .related-posts .row{
                display: block !important;
                margin-left: 0;
                margin-right: 0;
            }
            body.single-post .related-posts .row > [class*="col-"]{
                width: 100% !important;
                max-width: 100% !important;
                flex: 0 0 100% !important;
                padding-left: 0 !important;
                padding-right: 0 !important;
                margin-bottom: 10px;
            }
            body.single-post .related-posts article.post{
                display: flex !important;
                align-items: center;
                gap: 12px;
                margin: 0 !important;
                padding: 8px;
                border-radius: 12px;
            }
            body.single-post .related-posts .entry-media{
                flex: 0 0 104px;
                width: 104px;
                margin: 0 !important;
                border-radius: 10px;
                overflow: hidden;
            }
            body.single-post .related-posts .entry-media .placeholder{
                height: 74px !important;
            }
            body.single-post .related-posts .entry-wrapper{
                flex: 1 1 auto;
                min-width: 0;
                padding: 0 !important;
                background: transparent !important;
                box-shadow: none !important;
            }
            body.single-post .related-posts .entry-title{
                margin: 0 !important;
                font-size: 14px !important;
                line-height: 1.5 !important;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            /* 可复制提示词/引用块是正文重点，13.5px 偏小，抬到 14.5px 并放宽内边距 */
            body.single-post .article-content .entry-content .main_con1 blockquote{
                font-size: 14.5px !important;
                line-height: 1.8 !important;
                padding: 14px 16px !important;
            }
        }

/* ===== 页脚导航链接（原 footer.php 内联） ===== */
		.footer-guides {
			display: flex;
			flex-wrap: wrap;
			align-items: center;
			justify-content: center;
			gap: 6px 18px;
			padding: 22px 16px 6px;
			font-size: 13px;
			line-height: 1.8;
		}
		.footer-guides-label {
			color: #a1a1aa;
			font-size: 12px;
			letter-spacing: 0.08em;
		}
		.footer-guides a {
			color: #52525b;
			text-decoration: none;
			border-bottom: 1px solid transparent;
			transition: color 0.2s ease, border-color 0.2s ease;
		}
		.footer-guides a:hover {
			color: #111114;
			border-bottom-color: rgba(17, 17, 20, 0.3);
		}
		@media (max-width: 767px) {
			.footer-guides {
				gap: 4px 14px;
				padding: 18px 12px calc(2px + env(safe-area-inset-bottom));
				font-size: 12px;
			}
		}
/* ===== 首页紧凑卡片：摘要 / 分类色点 / 角标（2026-11 对标改进） ===== */
.free-article-desc{
    margin: 4px 0 0;
    font-size: 12.5px;
    line-height: 1.55;
    color: #71717a;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}
.free-article-meta{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.free-article-meta .fa-dot{
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #a1a1aa;
    flex-shrink: 0;
}
.fa-dot.dot-152{ background: #6366f1; }
.fa-dot.dot-153{ background: #0ea5e9; }
.fa-dot.dot-154{ background: #ec4899; }
.fa-dot.dot-155{ background: #f59e0b; }
.fa-dot.dot-156{ background: #14b8a6; }
.fa-dot.dot-157{ background: #8b5cf6; }
.free-article-meta .fa-cat{ color: #52525b; }
.free-article-meta .fa-facts{ color: #a1a1aa; }
.fa-badge{
    display: inline-flex;
    align-items: center;
    height: 17px;
    padding: 0 5px;
    border-radius: 4px;
    font-size: 11px;
    line-height: 1;
    font-weight: 600;
    letter-spacing: .02em;
    white-space: nowrap;
}
.fa-badge.badge-new{
    color: #fff;
    background: linear-gradient(135deg, #6366f1, #ec4899);
}
.fa-badge.badge-tested{
    color: #4f46e5;
    background: rgba(99, 102, 241, .10);
    border: 1px solid rgba(99, 102, 241, .28);
}

/* ===== 首页首屏搜索与方向 pills ===== */
.home-search{ margin-top: 16px; }
.home-search form{
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, .80);
    border: 1px solid rgba(17, 17, 20, .10);
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(17, 17, 20, .04);
    transition: all .2s ease;
}
.home-search form:focus-within{
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, .18);
}
.home-search .hs-icon{
    position: absolute;
    left: 14px;
    width: 16px;
    height: 16px;
    color: #a1a1aa;
    pointer-events: none;
}
.home-search input[type="search"]{
    flex: 1;
    min-width: 0;
    height: 46px;
    padding: 0 12px 0 40px;
    border: 0;
    background: transparent;
    outline: none;
    font-size: 14px;
    color: #111114;
}
.home-search input[type="search"]::placeholder{ color: #a1a1aa; }
.home-search .hs-btn{
    flex-shrink: 0;
    height: 34px;
    margin-right: 6px;
    padding: 0 16px;
    border: 0;
    border-radius: 7px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #6366f1, #ec4899);
}
.home-cats{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}
.home-cats a{
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 12px;
    border-radius: 14px;
    font-size: 12.5px;
    color: #52525b;
    text-decoration: none;
    background: rgba(255, 255, 255, .55);
    border: 1px solid rgba(17, 17, 20, .08);
    transition: all .2s ease;
}
.home-cats a:hover{
    color: #111114;
    background: rgba(255, 255, 255, .85);
    border-color: rgba(17, 17, 20, .16);
}
.home-cats a.is-all{
    color: #4f46e5;
    border-color: rgba(99, 102, 241, .28);
    background: rgba(99, 102, 241, .08);
}

/* 首页已有首屏搜索框，隐藏头部那个 200px 居中搜索，避免重复 */
body.home .header-search-form{ display: none !important; }

@media (max-width: 767px){
    .home-search input[type="search"]{ height: 44px; }
    .home-search .hs-btn{ height: 32px; padding: 0 13px; font-size: 12.5px; }
    .home-cats{ gap: 6px; }
    .home-cats a{ height: 26px; padding: 0 10px; font-size: 12px; }
    .free-article-desc{ font-size: 12px; }
}
/* ===== 移动端页脚友情链接 ===== */
@media (max-width: 767px){
    .site-footer .footer-links{ padding: 10px 0 2px; }
    .site-footer .footer-links h6{ display: block; margin: 0 0 2px; }
    .site-footer .footer-links ul{ display: flex; flex-wrap: wrap; }
    .site-footer .footer-links li{ white-space: normal; }
}

/* ===== 搜索无结果兜底推荐 ===== */
.kx-empty-reco{
    margin: 18px 0 0;
    padding: 16px 18px;
    border: 1px solid rgba(17, 17, 20, .08);
    border-radius: 10px;
    background: rgba(255, 255, 255, .60);
}
.kx-empty-reco h3{
    margin: 0 0 8px;
    font-size: 14px;
    color: #111114;
}
.kx-empty-reco ul{
    margin: 0;
    padding: 0;
    list-style: none;
}
.kx-empty-reco li{
    padding: 5px 0;
    font-size: 13px;
    line-height: 1.6;
}
.kx-empty-reco a{
    color: #4f46e5;
    text-decoration: none;
}
.kx-empty-reco a:hover{ text-decoration: underline; }