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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }

        header {
            background: linear-gradient(135deg, #9c9a9c 0%, #6d6b6d 100%);
            color: #fff;
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 1rem;
        }

        .brand-name {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .slogan {
            font-size: 0.95rem;
            opacity: 0.9;
            font-style: italic;
        }

        nav {
            background-color: #9c9a9c;
            border-top: 1px solid rgba(255,255,255,0.2);
            border-bottom: 3px solid #6d6b6d;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            background-color: #fff;
            min-height: 60vh;
        }

        h1 {
            color: #6d6b6d;
            font-size: 2.2rem;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 3px solid #9c9a9c;
            position: relative;
        }

        h1::before {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 80px;
            height: 3px;
            background-color: #6d6b6d;
        }

        article {
            margin-bottom: 40px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        article p {
            margin-bottom: 20px;
            text-align: justify;
        }

        article h2 {
            color: #6d6b6d;
            font-size: 1.7rem;
            margin-top: 35px;
            margin-bottom: 20px;
        }

        article h3 {
            color: #6d6b6d;
            font-size: 1.4rem;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        article h4 {
            color: #6d6b6d;
            font-size: 1.2rem;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        .transition-section {
            background-color: #f9f9f9;
            padding: 30px;
            border-left: 4px solid #9c9a9c;
            margin: 40px 0;
            border-radius: 4px;
        }

        .transition-section p {
            margin-bottom: 15px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .links-section {
            background-color: #fafafa;
            padding: 40px;
            border-radius: 8px;
            border: 1px solid #e0e0e0;
            margin-top: 40px;
        }

        .links-section h3 {
            color: #6d6b6d;
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #9c9a9c;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 40px;
            margin-bottom: 30px;
        }

        .links-section ul:last-child {
            margin-bottom: 0;
        }

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

        .links-section a {
            color: #6d6b6d;
            text-decoration: none;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
            padding-left: 0;
        }

        .links-section a::before {
            content: '→ ';
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .links-section a:hover {
            color: #9c9a9c;
            padding-left: 10px;
        }

        .links-section a:hover::before {
            opacity: 1;
        }

        footer {
            background-color: #9c9a9c;
            color: #fff;
            text-align: center;
            padding: 30px 20px;
            margin-top: 60px;
            border-top: 3px solid #6d6b6d;
        }

        footer p {
            font-size: 0.95rem;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .brand-name {
                font-size: 1.4rem;
            }

            h1 {
                font-size: 1.8rem;
            }

            article h2 {
                font-size: 1.4rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            .links-section ul {
                column-count: 1;
            }

            .container {
                padding: 20px 15px;
            }

            .links-section {
                padding: 25px 20px;
            }

            .transition-section {
                padding: 20px;
            }
        }

        @media (max-width: 480px) {
            .brand-name {
                font-size: 1.2rem;
            }

            h1 {
                font-size: 1.5rem;
            }

            article {
                font-size: 1rem;
            }

            .links-section h3 {
                font-size: 1.3rem;
            }
        }