        * {
            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: #f9f7ff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: linear-gradient(135deg, #8a2be2, #5d00ff);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: #ffeb3b;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .logo a:hover {
            color: #fff;
            transition: color 0.3s ease;
        }
        .nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            gap: 1.5rem;
        }
        .nav-list a {
            padding: 0.5rem 1rem;
            border-radius: 20px;
            transition: background 0.3s ease, transform 0.3s ease;
        }
        .nav-list a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: #e8e0ff;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #5d00ff;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .article {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .article h1 {
            font-size: 2.5rem;
            color: #5d00ff;
            margin-bottom: 1rem;
            text-align: center;
        }
        .article h2 {
            font-size: 2rem;
            color: #8a2be2;
            margin: 2rem 0 1rem;
            border-left: 5px solid #ffeb3b;
            padding-left: 1rem;
        }
        .article h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 1.5rem 0 1rem;
        }
        .article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            line-height: 1.8;
        }
        .article emoji {
            font-size: 1.2em;
            margin-right: 0.5rem;
        }
        .highlight {
            background: #fffacd;
            padding: 1rem;
            border-left: 4px solid #ffeb3b;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .form-section {
            background: #f0f4ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .form-section h3 {
            color: #5d00ff;
            margin-bottom: 1rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #5d00ff;
            outline: none;
        }
        .btn {
            background: linear-gradient(to right, #8a2be2, #5d00ff);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(138, 43, 226, 0.3);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
            padding: 2rem;
            background: #e8e0ff;
            border-radius: 10px;
        }
        .web-link {
            padding: 0.8rem;
            background: white;
            border-radius: 8px;
            text-align: center;
            transition: transform 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #5d00ff;
            font-weight: bold;
        }
        .footer {
            background: #5d00ff;
            color: white;
            text-align: center;
            padding: 2rem;
            margin-top: 2rem;
        }
        .footer p {
            margin: 0.5rem 0;
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #8a2be2;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
                box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            }
            .nav-list.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article h1 {
                font-size: 2rem;
            }
            .article h2 {
                font-size: 1.8rem;
            }
            .main-container {
                padding: 0 1rem;
            }
            .header-container,
            .breadcrumb {
                padding: 1rem;
            }
        }
