* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: "trebuchet ms", verdana, arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #fafafa;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            text-align: center;
            padding: 40px 0;
            background: linear-gradient(135deg, #5a3d8a, #9370DB);
            color: white;
            margin-bottom: 40px;
            border-radius: 8px;
        }

        header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        header p {
            font-size: 1.2em;
            opacity: 0.9;
        }

        .links {
            margin-top: 20px;
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        .links a {
            color: #5a3d8a;
            text-decoration: none;
            padding: 14px 32px;
            background: white;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.2em;
            box-shadow: 0 4px 15px rgba(0,0,0,0.25);
            transition: background 0.25s ease, box-shadow 0.25s ease;
        }

        .links a:hover {
            background: #f0e6ff;
            box-shadow: 0 4px 20px rgba(255,255,255,0.3);
        }

        .section {
            margin-bottom: 50px;
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .section h2 {
            color: #9370DB;
            font-size: 2em;
            margin-bottom: 20px;
            border-bottom: 3px solid #ECECFF;
            padding-bottom: 10px;
        }

        .section h3 {
            color: #666;
            font-size: 1.4em;
            margin: 25px 0 15px 0;
        }

        .diagram-container {
            text-align: center;
            margin: 30px 0;
        }

        .diagram-container svg {
            max-width: 100%;
            height: auto;
            border: 2px solid #ECECFF;
            border-radius: 8px;
            background: white;
        }

        .legend {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .legend-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .legend-line {
            width: 40px;
            height: 3px;
            border-radius: 2px;
        }

        .solid-line {
            background: #333;
        }

        .dashed-line {
            background: repeating-linear-gradient(
                to right,
                #333 0px,
                #333 6px,
                transparent 6px,
                transparent 12px
            );
        }

        .interface-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .interface-category {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 8px;
            border-left: 5px solid #9370DB;
        }

        .interface-category h4 {
            color: #9370DB;
            font-size: 1.3em;
            margin-bottom: 15px;
        }

        .interface-list {
            list-style: none;
        }

        .interface-list li {
            margin: 10px 0;
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }

        .interface-list li:last-child {
            border-bottom: none;
        }

        .interface-list a {
            color: #4169E1;
            text-decoration: underline;
            transition: color 0.3s ease;
        }

        .interface-list a:hover {
            color: #9370DB;
        }

        .pipeline-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .pipeline-step {
            background: #f0f0ff;
            padding: 20px;
            border-radius: 6px;
            border-left: 4px solid #9370DB;
        }

        .pipeline-step h4 {
            color: #9370DB;
            margin-bottom: 10px;
        }

        .pipeline-step a {
            color: #4169E1;
            text-decoration: underline;
            transition: color 0.3s ease;
            display: inline-block;
            margin: 2px 5px;
        }

        .pipeline-step a:hover {
            color: #9370DB;
        }

        .pipeline-step .link-group {
            margin-top: 10px;
        }

        .pipeline-step .link-group strong {
            display: block;
            margin-bottom: 5px;
            color: #666;
        }

        /* Main tools cards */
        .main-tools {
            display: flex;
            gap: 24px;
            margin-top: 24px;
        }

        .main-tool-card {
            flex: 1;
            display: flex;
            flex-direction: column;
            background: #f8f9fa;
            border-radius: 8px;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            border: 1px solid #e0e0e0;
            transition: box-shadow 0.2s ease;
        }

        .main-tool-card:hover {
            box-shadow: 0 4px 16px rgba(0,0,0,0.12);
        }

        .main-tool-card img {
            width: 100%;
            aspect-ratio: 5/3;
            object-fit: cover;
            border-bottom: 1px solid #e0e0e0;
        }

        .main-tool-card h3 {
            margin: 16px 16px 8px 16px;
            font-size: 1.1em;
            color: #9370DB;
        }

        .main-tool-card p {
            margin: 0 16px 16px 16px;
            font-size: 0.9em;
            color: #666;
            line-height: 1.5;
        }

        @media (max-width: 900px) {
            .main-tools {
                flex-direction: column;
            }
        }

        a {
            color: #4169E1;
            text-decoration: underline;
        }

        a:hover {
            color: #9370DB;
        }

        .quick-start {
            background: linear-gradient(135deg, #ECECFF, #f8f9fa);
            border: 2px solid #9370DB;
        }

        .code-snippet {
            background: #1e1e1e;
            color: #f8f8f2;
            padding: 15px;
            border-radius: 5px;
            font-family: 'Courier New', monospace;
            margin: 15px 0;
            overflow-x: auto;
        }

        .highlight {
            background: linear-gradient(120deg, transparent 0%, #ECECFF 30%, #ECECFF 70%, transparent 100%);
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }

        footer {
            text-align: center;
            padding: 30px;
            color: #666;
            font-style: italic;
        }

        @media (max-width: 768px) {
            header h1 {
                font-size: 2em;
            }
            
            .section {
                padding: 20px;
            }
            
            .legend {
                flex-direction: column;
                align-items: center;
            }
        }