.tutorial-breadcrumb-banner {
        background: linear-gradient(135deg, #1e3a5f 0%, #2d5986 100%);
        padding: 40px 0;
        color: #fff;
    }
    .tutorial-breadcrumb-banner h1 {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 10px;
        color: #fff;
    }
    .tutorial-breadcrumb-banner .breadcrumb-status ul {
        padding: 0; margin: 0 0 15px 0; list-style: none;
    }
    .tutorial-breadcrumb-banner .breadcrumb-status ul li {
        display: inline-block; color: rgba(255,255,255,0.7); font-size: 14px;
    }
    .tutorial-breadcrumb-banner .breadcrumb-status ul li a {
        color: rgba(255,255,255,0.85); text-decoration: none;
    }
    .tutorial-breadcrumb-banner .breadcrumb-status ul li a:hover {
        color: #fff;
    }
    .tutorial-breadcrumb-banner .breadcrumb-status ul li + li::before {
        content: "›"; margin: 0 8px; color: rgba(255,255,255,0.5);
    }
    .tutorial-breadcrumb-banner .breadcrumb-status ul li.active {
        color: #fff;
    }

    /* Tutorial Content Area */
    .tutorial-content-area {
        padding: 30px 0 50px;
    }
    
	.toc-sidebar {
		background: #fff;
		border-radius: 8px;
		box-shadow: 0 2px 12px rgba(0,0,0,0.08);
		padding: 24px 20px;
		margin-bottom: 20px;
	}

    .toc-sidebar h5 {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 15px;
        color: #1e3a5f;
        border-bottom: 2px solid #4f46e5;
        padding-bottom: 10px;
    }
    .toc-sidebar ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .toc-sidebar ul li {
        margin-bottom: 6px;
    }
    .toc-sidebar ul li a {
        display: block;
        padding: 8px 12px;
        font-size: 14px;
        color: #555;
        text-decoration: none;
        border-radius: 5px;
        border-left: 3px solid transparent;
        transition: all 0.2s ease;
    }
    .toc-sidebar ul li a:hover,
    .toc-sidebar ul li a.active {
        background: #f0f4ff;
        color: #4f46e5;
        border-left-color: #4f46e5;
    }
    .toc-sidebar ul li a .toc-number {
        display: inline-block;
        width: 24px;
        height: 24px;
        line-height: 24px;
        text-align: center;
        background: #e8ecf4;
        border-radius: 50%;
        font-size: 12px;
        font-weight: 600;
        margin-right: 8px;
        color: #1e3a5f;
    }
    .toc-sidebar ul li a:hover .toc-number,
    .toc-sidebar ul li a.active .toc-number {
        background: #4f46e5;
        color: #fff;
    }

    .tutorial-main-content {
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 12px rgba(0,0,0,0.08);
        padding: 35px 40px;
    }
    .tutorial-main-content h2 {
        font-size: 26px;
        font-weight: 700;
        color: #1e3a5f;
        margin-bottom: 8px;
    }
    .tutorial-meta {
        display: flex;
        align-items: center;
        gap: 20px;
        margin-bottom: 25px;
        flex-wrap: wrap;
    }
    .tutorial-meta span {
        font-size: 13px;
        color: #ffffff;
    }
    .tutorial-meta span i {
        margin-right: 5px;
        color: #ffffff;
    }
    .tutorial-main-content h3 {
        font-size: 20px;
        font-weight: 600;
        color: #2d3748;
        margin: 30px 0 12px;
        padding-left: 12px;
        border-left: 4px solid #4f46e5;
    }
    .tutorial-main-content h4 {
        font-size: 17px;
        font-weight: 600;
        color: #2d3748;
        margin: 22px 0 10px;
    }
    .tutorial-main-content p {
        font-size: 15px;
        line-height: 1.8;
        color: #444;
        margin-bottom: 15px;
    }
    .tutorial-main-content ul,
    .tutorial-main-content ol {
        padding-left: 20px;
        margin-bottom: 20px;
    }
    .tutorial-main-content ul li,
    .tutorial-main-content ol li {
        font-size: 15px;
        line-height: 1.8;
        color: #444;
        margin-bottom: 6px;
    }
    
    .tutorial-code-block {
        position: relative;
        background: #1e293b;
        color: #e2e8f0;
        padding: 22px 24px;
        border-radius: 10px;
        margin: 25px 0;
        font-family: "Fira Code", "Courier New", monospace;
        font-size: 14px;
        line-height: 1.6;
        overflow-x: auto;
        white-space: pre;
    }
    
    .tutorial-code-block .code-lang {
        position: absolute;
        top: 10px;
        right: 14px;
        font-size: 11px;
        letter-spacing: 1px;
        text-transform: uppercase;
        color: #94a3b8;
        font-weight: 600;
    }
    
    .tutorial-code-block .keyword {
        color: #60a5fa;
    }
    
    .tutorial-code-block .string {
        color: #34d399;
    }
    
    .tutorial-code-block .comment {
        color: #94a3b8;
    }
    
    .tutorial-code-block .function {
        color: #fbbf24;
    }
    
    .tutorial-code-block .number {
        color: #f87171;
    }
    
    .tutorial-code-block::-webkit-scrollbar {
        height: 6px;
    }
    
    .tutorial-code-block::-webkit-scrollbar-track {
        background: #0f172a;
    }
    
    .tutorial-code-block::-webkit-scrollbar-thumb {
        background: #334155;
        border-radius: 10px;
    }

    .tutorial-info-box {
        border-radius: 8px;
        padding: 18px 22px;
        margin: 20px 0;
        font-size: 14px;
        line-height: 1.7;
    }
    .tutorial-info-box.info {
        background: #eff6ff;
        border-left: 4px solid #3b82f6;
        color: #1e40af;
    }
    .tutorial-info-box.tip {
        background: #f0fdf4;
        border-left: 4px solid #22c55e;
        color: #166534;
    }
    .tutorial-info-box.warning {
        background: #fffbeb;
        border-left: 4px solid #f59e0b;
        color: #92400e;
    }
    .tutorial-info-box strong {
        display: block;
        margin-bottom: 4px;
    }

    .tutorial-output-box {
        background: #f8fafc;
        border: 1px dashed #cbd5e1;
        border-radius: 8px;
        padding: 18px 22px;
        margin: 15px 0 25px;
    }
    .tutorial-output-box .output-label {
        font-size: 12px;
        font-weight: 700;
        color: #64748b;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 8px;
    }
    .tutorial-output-box p {
        margin: 0;
        font-family: 'Courier New', monospace;
        color: #22c55e;
    }

    .tutorial-nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 40px;
        padding-top: 25px;
        border-top: 1px solid #e2e8f0;
    }
    .tutorial-nav a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 22px;
        border-radius: 6px;
        font-size: 14px;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.2s ease;
    }
    .tutorial-nav .nav-prev {
        background: #f1f5f9;
        color: #475569;
    }
    .tutorial-nav .nav-prev:hover {
        background: #e2e8f0;
        color: #1e293b;
    }
    .tutorial-nav .nav-next {
        background: #4f46e5;
        color: #fff;
    }
    .tutorial-nav .nav-next:hover {
        background: #4338ca;
    }
    
    .tutorial-related {
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 12px rgba(0,0,0,0.08);
        padding: 24px;
        margin-top: 25px;
    }
    .tutorial-related h5 {
        font-size: 16px;
        font-weight: 700;
        color: #1e3a5f;
        margin-bottom: 15px;
    }
    .tutorial-related a {
        display: block;
        padding: 10px 14px;
        margin-bottom: 6px;
        font-size: 14px;
        color: #4f46e5;
        background: #f8fafc;
        border-radius: 6px;
        text-decoration: none;
        transition: all 0.2s ease;
    }
    .tutorial-related a:hover {
        background: #eef2ff;
        padding-left: 20px;
    }

    .tutorial-cta-banner {
        background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        border-radius: 10px;
        padding: 30px;
        margin-top: 25px;
        text-align: center;
        color: #fff;
    }
    .tutorial-cta-banner h5 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: #fff;
    }
    .tutorial-cta-banner p {
        font-size: 14px;
        opacity: 0.9;
        margin-bottom: 15px;
        color: #fff;
    }
    .tutorial-cta-banner .cta-enroll-btn {
        display: inline-block;
        background: #fff;
        color: #4f46e5;
        padding: 10px 30px;
        border-radius: 6px;
        font-weight: 700;
        font-size: 14px;
        text-decoration: none;
        transition: all 0.2s ease;
    }
    .tutorial-cta-banner .cta-enroll-btn:hover {
        background: #f0f0ff;
        transform: translateY(-2px);
    }

    .tutorial-progress {
        margin-bottom: 20px;
    }
    .tutorial-progress .progress-label {
        display: flex;
        justify-content: space-between;
        font-size: 13px;
        color: #64748b;
        margin-bottom: 6px;
    }
    .tutorial-progress .progress {
        height: 6px;
        border-radius: 3px;
        background: #e2e8f0;
    }
    .tutorial-progress .progress-bar {
        background: linear-gradient(90deg, #4f46e5, #7c3aed);
        border-radius: 3px;
    }

	.sidebar-sticky {
		position: sticky;
		top: 80px;
	}

	.toc-category {
		margin-bottom: 20px;
	}

	.toc-category-title {
		font-size: 13px;
		font-weight: 700;
		text-transform: uppercase;
		color: #4f46e5;
		margin-bottom: 8px;
		margin-top: 15px;
		letter-spacing: 1px;
	}
    .tutorial-code-block pre {
        margin: 0;
        padding: 0;
        background: transparent;
        color: inherit;
        font-family: 'Courier New', monospace;
        font-size: 14px;
        line-height: 1.7;
        white-space: pre;
        overflow-x: auto;
    }
    .tutorial-code-block pre code {
        color: #e2e8f0;
        font-family: inherit;
    }
    
    .tutorial-code-block {
        background: #1e1e1e;
        color: #f8f8f2;
        padding: 20px;
        border-radius: 6px;
        overflow-x: auto;
        font-family: monospace;
        margin: 20px 0;
    }
    
    .code-lang{
        display:block;
        color:#ccc;
        margin-bottom:10px;
        font-size:13px;
    }
    
    ul {
        list-style-type: disc;
        padding-left: 20px;
    }
    
    .page-title {
        font-size: 26px;
        font-weight: 700;
        color: #1e3a5f;
        margin-bottom: 8px;
    }
    
    .fnt-color {
        color: #000 !important;
    }

    @media (max-width: 768px) {
        .tutorial-main-content {
            padding: 20px 18px;
        }
        .toc-sidebar {
            position: static;
            margin-bottom: 20px;
        }
        .tutorial-nav {
            flex-direction: column;
            gap: 10px;
        }
        .tutorial-nav a {
            width: 100%;
            justify-content: center;
        }
    }