* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f9f7ff;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #6a5acd;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff7b9c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: linear-gradient(135deg, #6a5acd, #a78bfa);
            color: white;
            padding: 1rem 2rem;
            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;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 800;
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #ffeb3b;
        }
        .breadcrumb {
            margin: 0.5rem 0;
            font-size: 0.9rem;
            color: #e0e0ff;
        }
        .breadcrumb a {
            color: #ffeb3b;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav {
            display: flex;
            gap: 1.5rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        #nav-toggle {
            display: none;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #6a5acd;
                padding: 1rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
            }
            #nav-toggle:checked ~ .main-nav {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
        }
        main {
            flex: 1;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            background: #f0edff;
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        h1 {
            color: #6a5acd;
            font-size: 3rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #ff7b9c;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #5a4fcf;
            font-size: 2.2rem;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #a78bfa;
        }
        h3 {
            color: #7b6fd6;
            font-size: 1.8rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: #8a7de0;
            font-size: 1.4rem;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1rem;
            border-radius: 10px;
            border-left: 4px solid #ffd700;
            margin: 1.5rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        strong {
            color: #ff6b8b;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            max-width: 800px;
            margin: 0 auto;
        }
        .functional-section {
            background: #e6f7ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .functional-section h3 {
            color: #0077cc;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #6a5acd;
            outline: none;
        }
        button {
            background: linear-gradient(to right, #6a5acd, #a78bfa);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(106, 90, 205, 0.4);
        }
        footer {
            background: #2d2a4a;
            color: #ccc;
            padding: 2rem;
            text-align: center;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: inline-block;
            background: #3a3560;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            transition: background 0.3s;
        }
        friend-link a {
            color: #a78bfa;
        }
        friend-link:hover {
            background: #4c4680;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #aaa;
        }