* {
            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: #f8f9fa;
        }

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

        header {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .navbar-brand img {
            max-height: 60px;
            width: auto;
        }

        .navbar-nav {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .navbar-nav a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .navbar-nav a:hover {
            color: #1ab26b;
        }

        .dropdown {
            position: relative;
        }

        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: #fff;
            min-width: 200px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-radius: 5px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            list-style: none;
            padding: 0.5rem 0;
        }

        .dropdown:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown-menu a {
            display: block;
            padding: 0.5rem 1rem;
            border-bottom: none;
        }

        .sub-header {
            background: #f1f3f4;
            padding: 0.5rem 0;
        }

        .lang-social {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 1rem;
        }

        .lang_sel_list_horizontal ul {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }

        .lang_sel_list_horizontal a {
            padding: 0.25rem 0.5rem;
            text-decoration: none;
            color: #666;
            font-size: 0.875rem;
        }

        .lang_sel_sel {
            font-weight: bold;
            color: #1ab26b !important;
        }

        main {
            padding: 3rem 0;
        }

        h1 {
            font-size: 2.5rem;
            color: #1ab26b;
            margin-bottom: 2rem;
            text-align: center;
            font-weight: 300;
        }

        article {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
        }

        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.7;
        }

        article h2,
        article h3,
        article h4,
        article h5,
        article h6 {
            color: #1ab26b;
            margin: 2rem 0 1rem 0;
            font-weight: 600;
        }

        .transition-section {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
        }

        .transition-section p {
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .links-section {
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        .links-section h3 {
            background: linear-gradient(135deg, #1ab26b, #16a085);
            color: #fff;
            padding: 1.5rem 2rem;
            margin: 0;
            font-size: 1.5rem;
            font-weight: 600;
        }

        .links-section ul {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 0;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .links-section li {
            border-bottom: 1px solid #eee;
            border-right: 1px solid #eee;
        }

        .links-section li:nth-child(2n) {
            border-right: none;
        }

        .links-section a {
            display: block;
            padding: 1rem 2rem;
            text-decoration: none;
            color: #333;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .links-section a:hover {
            background: #f8f9fa;
            color: #1ab26b;
            transform: translateX(5px);
        }

        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1rem;
        }

        .sponsor {
            background: #fff;
            padding: 2rem 0;
        }

        .sponsor-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
            align-items: center;
            justify-items: center;
        }

        .sponsor img {
            max-height: 60px;
            max-width: 100%;
            opacity: 0.7;
            transition: opacity 0.3s ease;
        }

        .sponsor img:hover {
            opacity: 1;
        }

        .footer-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-top: 1px solid #34495e;
        }

        .footer-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .footer-nav a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-nav a:hover {
            color: #1ab26b;
        }

        .credits {
            color: #95a5a6;
            font-size: 0.875rem;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #333;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .navbar-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            }

            .navbar-nav.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background: #f8f9fa;
                margin-left: 1rem;
            }

            h1 {
                font-size: 2rem;
            }

            article,
            .transition-section {
                padding: 1.5rem;
            }

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

            .links-section li {
                border-right: none;
            }

            .footer-nav {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }

            .footer-nav ul {
                flex-direction: column;
                gap: 1rem;
            }

            .sponsor-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
                gap: 1rem;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }

            h1 {
                font-size: 1.75rem;
            }

            article,
            .transition-section {
                padding: 1rem;
            }

            .links-section h3 {
                padding: 1rem;
                font-size: 1.25rem;
            }

            .links-section a {
                padding: 0.75rem 1rem;
            }
        }