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

        body {
            font-family: helvetica, arial, sans-serif;
            font-size: 11px;
            color: #5f6565;
            background: #fff;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            padding: 60px 20px;
            flex: 1;
        }

        .error-box {
            border: 1px solid #000;
            background: #fff;
        }

        .error-header {
            background: #e44249;
            color: #fff;
            font-weight: 700;
            font-size: 12px;
            line-height: 22px;
            text-align: center;
            border-bottom: 1px solid #000;
            padding: 10px;
        }

        .error-body {
            padding: 30px;
        }

        h1 {
            font-size: 24px;
            color: #5f6565;
            margin-bottom: 20px;
            font-weight: 700;
        }

        h2 {
            font-size: 18px;
            color: #5f6565;
            margin-top: 25px;
            margin-bottom: 15px;
            font-weight: 700;
        }

        h3 {
            font-size: 14px;
            color: #5f6565;
            margin-top: 20px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        article {
            margin-bottom: 30px;
        }

        article p,
        article ol,
        article ul {
            margin-bottom: 15px;
            font-size: 11px;
        }

        article strong {
            font-weight: 700;
            font-size: 11px;
        }

        article ol,
        article ul {
            padding-left: 25px;
        }

        article ol li,
        article ul li {
            margin-bottom: 8px;
            font-size: 11px;
        }

        .transition-content {
            margin-bottom: 25px;
            padding: 15px 0;
        }

        .transition-content p {
            margin-bottom: 12px;
            font-size: 11px;
        }

        .links-section {
            margin-top: 30px;
            padding: 25px;
            background: #f9f9f9;
            border: 1px solid #e0e0e0;
        }

        .links-section h3 {
            margin-top: 15px;
            margin-bottom: 10px;
            padding-bottom: 8px;
            border-bottom: 2px solid #e44249;
            font-size: 14px;
        }

        .links-section h3:first-child {
            margin-top: 0;
        }

        .links-section ul {
            list-style: none;
            padding: 0;
            margin-top: 15px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 20px;
        }

        .links-section li {
            font-size: 11px;
        }

        .links-section a {
            color: #e44249;
            text-decoration: none;
            transition: color 0.2s ease;
            display: inline-block;
        }

        .links-section a:hover {
            color: #5f6565;
            text-decoration: underline;
        }

        .links-section a::before {
            content: "→ ";
            margin-right: 5px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 30px 15px;
            }

            .error-body {
                padding: 20px;
            }

            h1 {
                font-size: 20px;
            }

            h2 {
                font-size: 16px;
            }

            h3 {
                font-size: 13px;
            }

            .links-section {
                padding: 15px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 20px 10px;
            }

            .error-body {
                padding: 15px;
            }

            .error-header {
                font-size: 11px;
                line-height: 18px;
            }

            h1 {
                font-size: 18px;
            }
        }