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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f5f5f5;
        }

        h1 {
            background: linear-gradient(135deg, #d70751 0%, #a3003d 100%);
            color: #fff;
            padding: 2.5rem 2rem;
            font-size: 2.5rem;
            font-weight: 600;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        article {
            max-width: 900px;
            margin: 3rem auto;
            padding: 2.5rem;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        article h2 {
            color: #d70751;
            font-size: 1.8rem;
            margin: 2rem 0 1rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #d70751;
        }

        article h3 {
            color: #333;
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem 0;
        }

        article p {
            margin: 1rem 0;
            color: #555;
            font-size: 1.05rem;
        }

        article tt,
        article code {
            background: #f4f4f4;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-family: "Courier New", Courier, monospace;
            color: #d70751;
            font-size: 0.95em;
        }

        article pre {
            background: #f4f4f4;
            padding: 1.5rem;
            border-radius: 5px;
            border-left: 4px solid #d70751;
            overflow-x: auto;
            margin: 1.5rem 0;
            font-family: "Courier New", Courier, monospace;
            line-height: 1.5;
        }

        article ul {
            margin: 1rem 0 1rem 2rem;
        }

        article li {
            margin: 0.5rem 0;
            color: #555;
        }

        article a {
            color: #d70751;
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: border-color 0.3s ease;
        }

        article a:hover {
            border-bottom-color: #d70751;
        }

        article b,
        article strong {
            color: #333;
            font-weight: 600;
        }

        article em {
            font-style: italic;
            color: #555;
        }

        .transition-section {
            max-width: 900px;
            margin: 2rem auto;
            padding: 0 2.5rem;
        }

        .transition-section p {
            background: #fff;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
            color: #555;
            font-size: 1.05rem;
            margin-bottom: 1rem;
        }

        .links-section {
            max-width: 900px;
            margin: 2rem auto 3rem auto;
            padding: 2.5rem;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .links-section h2 {
            color: #d70751;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #d70751;
        }

        .links-section h3 {
            color: #333;
            font-size: 1.3rem;
            margin: 2rem 0 1rem 0;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem 2rem;
            margin: 0;
        }

        .links-section li {
            margin: 0;
        }

        .links-section a {
            color: #d70751;
            text-decoration: none;
            display: inline-block;
            position: relative;
            padding-left: 1.2rem;
            transition: all 0.3s ease;
        }

        .links-section a:before {
            content: "→";
            position: absolute;
            left: 0;
            transition: transform 0.3s ease;
        }

        .links-section a:hover {
            color: #a3003d;
            transform: translateX(5px);
        }

        .links-section a:hover:before {
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
                padding: 2rem 1.5rem;
            }

            article,
            .links-section {
                margin: 2rem 1rem;
                padding: 1.5rem;
            }

            .transition-section {
                margin: 1.5rem 1rem;
                padding: 0 1rem;
            }

            article h2,
            .links-section h2 {
                font-size: 1.5rem;
            }

            article h3,
            .links-section h3 {
                font-size: 1.2rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }

            article pre {
                padding: 1rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
                padding: 1.5rem 1rem;
            }

            article,
            .links-section {
                margin: 1.5rem 0.5rem;
                padding: 1.2rem;
            }

            .transition-section {
                margin: 1rem 0.5rem;
                padding: 0 0.5rem;
            }

            article p,
            .transition-section p {
                font-size: 1rem;
            }
        }