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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            background: linear-gradient(135deg, #181818 0%, #2d2d2d 100%);
            color: #333;
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 20px rgba(0,0,0,0.3);
            min-height: 100vh;
        }

        header {
            background: linear-gradient(45deg, #FF6600, #EE7D2D);
            color: white;
            padding: 20px 0;
            position: relative;
            overflow: hidden;
        }

        header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(255,255,255,0.1) 10px,
                rgba(255,255,255,0.1) 20px
            );
            animation: headerPattern 20s linear infinite;
        }

        @keyframes headerPattern {
            0% { transform: translateX(-50px); }
            100% { transform: translateX(50px); }
        }

        .header-content {
            position: relative;
            z-index: 2;
            padding: 0 20px;
            text-align: center;
        }

        .logo {
            font-size: 2.5em;
            font-weight: bold;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .tagline {
            font-size: 1.2em;
            opacity: 0.9;
        }

        nav {
            background: #333;
            padding: 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-item {
            flex: 1;
            min-width: 120px;
            text-align: center;
        }

        .nav-item a {
            display: block;
            padding: 15px 10px;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            border-right: 1px solid #555;
            font-size: 0.9em;
            font-weight: 500;
        }

        .nav-item:last-child a {
            border-right: none;
        }

        .nav-item a:hover {
            background: #FF6600;
            transform: translateY(-2px);
        }

        main {
            padding: 40px 20px;
            background: #fff;
        }

        h1 {
            font-size: 2.5em;
            color: #333;
            margin-bottom: 30px;
            text-align: center;
            position: relative;
        }

        h1::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(45deg, #FF6600, #EE7D2D);
            border-radius: 2px;
        }

        article {
            max-width: 800px;
            margin: 0 auto 40px;
            font-size: 1.1em;
            line-height: 1.8;
        }

        article p {
            margin-bottom: 20px;
        }

        article h2, article h3, article h4 {
            margin: 30px 0 15px;
            color: #333;
        }

        article h2 {
            font-size: 1.8em;
            border-left: 4px solid #FF6600;
            padding-left: 20px;
        }

        .transition-section {
            max-width: 800px;
            margin: 0 auto 40px;
            padding: 30px;
            background: linear-gradient(135deg, #f8f7f7 0%, #e8e7e7 100%);
            border-radius: 10px;
            border-left: 5px solid #FF6600;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .links-section {
            background: linear-gradient(135deg, #f9f9f9 0%, #f0f0f0 100%);
            padding: 40px 20px;
            border-radius: 15px;
            margin: 40px 20px;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.1);
        }

        .links-section h3 {
            color: #333;
            font-size: 1.5em;
            margin-bottom: 20px;
            text-align: center;
            padding-bottom: 10px;
            border-bottom: 2px solid #FF6600;
            display: inline-block;
            width: 100%;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }

        .links-section li {
            background: white;
            border-radius: 8px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .links-section li:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
        }

        .links-section a {
            display: block;
            padding: 15px 20px;
            color: #333;
            text-decoration: none;
            font-weight: 500;
            border-left: 4px solid transparent;
            transition: all 0.3s ease;
        }

        .links-section a:hover {
            border-left-color: #FF6600;
            color: #FF6600;
            padding-left: 25px;
        }

        footer {
            background: #333;
            color: #ccc;
            text-align: center;
            padding: 20px;
            margin-top: 40px;
        }

        footer a {
            color: #FF6600;
            text-decoration: none;
        }

        footer a:hover {
            color: #ffaa44;
        }

        @media (max-width: 768px) {
            .nav-container {
                flex-direction: column;
            }

            .nav-item a {
                border-right: none;
                border-bottom: 1px solid #555;
            }

            .nav-item:last-child a {
                border-bottom: none;
            }

            h1 {
                font-size: 2em;
            }

            .logo {
                font-size: 2em;
            }

            main {
                padding: 20px 15px;
            }

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

            .transition-section {
                margin: 0 auto 40px;
                padding: 20px;
            }

            .links-section {
                margin: 40px 10px;
                padding: 30px 15px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.8em;
            }

            article {
                font-size: 1em;
            }

            .header-content {
                padding: 0 15px;
            }

            .tagline {
                font-size: 1em;
            }
        }