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

        html, body {
            height: 100%;
            width: 100%;
        }

        body {
            font-family: Helvetica, Arial, sans-serif;
            font-size: 14px;
            line-height: 1.7;
            color: #676767;
            background: #f8f8f8;
        }

        #wrapper {
            width: 100%;
            background: #fff;
        }

        .content-wrapper {
            max-width: 1020px;
            margin: 0 auto;
            padding: 0 30px;
            background-color: #fff;
            box-shadow: 0 0 3px rgba(0, 0, 0, 0.2);
        }

        header {
            width: 100%;
            padding: 35px 0 25px;
            border-bottom: 2px solid #eee;
            position: relative;
        }

        nav {
            margin-top: 20px;
        }

        nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2px;
        }

        nav ul li {
            display: inline-block;
            background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=) no-repeat right center;
        }

        nav ul li:last-child {
            background: none;
        }

        nav ul li a {
            display: block;
            padding: 17px 15px;
            text-decoration: none;
            text-transform: uppercase;
            font-size: 13px;
            font-weight: 400;
            color: #676767;
            transition: all 0.3s ease;
        }

        nav ul li a:hover {
            background-color: #78d18b;
            color: #fff;
        }

        h1 {
            font-size: 28px;
            line-height: 1.4;
            font-weight: 700;
            text-transform: uppercase;
            color: #444;
            margin: 40px 0 20px;
            padding-bottom: 30px;
            border-bottom: 1px solid #eee;
        }

        article {
            margin: 30px 0;
            overflow: hidden;
        }

        article h2 {
            font-size: 24px;
            line-height: 1.4;
            font-weight: 700;
            color: #444;
            margin: 30px 0 15px;
        }

        article h3 {
            font-size: 20px;
            line-height: 1.4;
            font-weight: 700;
            color: #444;
            margin: 25px 0 15px;
        }

        article h4 {
            font-size: 18px;
            line-height: 1.4;
            font-weight: 700;
            color: #444;
            margin: 20px 0 15px;
        }

        article p {
            margin-bottom: 20px;
            font-size: 14px;
            line-height: 1.7;
        }

        article ul, article ol {
            margin: 0 0 20px 30px;
            padding: 0;
        }

        article li {
            margin-bottom: 8px;
        }

        .transition-section {
            margin: 40px 0;
            padding: 30px 0;
            border-top: 2px solid #eee;
        }

        .transition-section p {
            margin-bottom: 20px;
            font-size: 14px;
            line-height: 1.7;
        }

        .links-section {
            margin: 40px 0 60px;
            padding: 40px 30px;
            background-color: #f8f8f8;
            border-radius: 3px;
        }

        .links-section h3 {
            font-size: 18px;
            line-height: 1.4;
            font-weight: 700;
            text-transform: uppercase;
            color: #444;
            margin: 25px 0 15px;
        }

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

        .links-section ul {
            list-style: none;
            margin: 0 0 30px 0;
            padding: 0;
            columns: 2;
            column-gap: 30px;
        }

        .links-section ul li {
            margin-bottom: 12px;
            break-inside: avoid;
        }

        .links-section ul li a {
            color: #78d18b;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .links-section ul li a:hover {
            color: #444;
        }

        footer {
            width: 100%;
            background-color: #444;
            color: #999;
            font-size: 11px;
            margin-top: 50px;
        }

        footer .footer-content {
            max-width: 1020px;
            margin: 0 auto;
            padding: 25px 30px 18px;
            text-align: center;
        }

        footer p {
            margin: 0;
            color: #999;
        }

        footer a {
            color: #ccc;
            text-decoration: none;
            font-weight: bold;
        }

        footer a:hover {
            color: #78d18b;
        }

        @media only screen and (max-width: 959px) {
            .content-wrapper {
                max-width: 768px;
            }

            h1 {
                font-size: 24px;
            }

            article h2 {
                font-size: 22px;
            }

            article h3 {
                font-size: 18px;
            }
        }

        @media only screen and (max-width: 767px) {
            .content-wrapper {
                padding: 0 20px;
            }

            header {
                padding: 25px 0 20px;
            }

            nav ul {
                flex-direction: column;
                gap: 5px;
            }

            nav ul li {
                width: 100%;
                background: none;
            }

            nav ul li a {
                padding: 12px 15px;
                background-color: #f8f8f8;
                text-align: center;
            }

            h1 {
                font-size: 20px;
                margin: 30px 0 15px;
                padding-bottom: 20px;
            }

            article h2 {
                font-size: 18px;
            }

            article h3 {
                font-size: 16px;
            }

            .links-section {
                padding: 30px 20px;
            }

            .links-section ul {
                columns: 1;
            }
        }

        @media only screen and (max-width: 479px) {
            .content-wrapper {
                padding: 0 15px;
            }

            h1 {
                font-size: 18px;
            }

            article {
                margin: 20px 0;
            }

            article h2 {
                font-size: 16px;
            }

            article h3 {
                font-size: 15px;
            }

            .links-section {
                margin: 30px 0 40px;
                padding: 25px 15px;
            }

            .links-section h3 {
                font-size: 16px;
            }
        }