* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fefefe;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: #8a4baf;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #6a2c91;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .p-2 { padding: 2rem; }
        .bg-light { background-color: #f9f7ff; }
        .rounded { border-radius: 10px; }
        .shadow { box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .site-header {
            background: linear-gradient(135deg, #8a4baf 0%, #6a2c91 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: #ffeb3b;
            text-shadow: 2px 2px 0 #6a2c91;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            text-decoration: none;
            color: #ffeb3b;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ffeb3b;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #6a2c91;
                padding: 1rem;
                gap: 0;
            }
            .main-nav ul.active {
                display: flex;
            }
            .main-nav li {
                margin: 0.5rem 0;
            }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f0e6f7;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #8a4baf;
        }
        .breadcrumb a {
            color: #555;
        }
        .hero {
            background: linear-gradient(rgba(138, 75, 175, 0.9), rgba(106, 44, 145, 0.9)), url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 4rem 1rem;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.3);
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; }
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            line-height: 1.8;
        }
        article h1, article h2, article h3, article h4 {
            color: #5a2a7a;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        article h1 { font-size: 2.8rem; }
        article h2 { font-size: 2.2rem; border-bottom: 2px solid #f0e6f7; padding-bottom: 0.5rem; }
        article h3 { font-size: 1.8rem; }
        article h4 { font-size: 1.4rem; }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article strong {
            color: #8a4baf;
            font-weight: 700;
        }
        article em {
            color: #666;
            font-style: italic;
        }
        .intro-box {
            background: #f0e6f7;
            border-left: 5px solid #8a4baf;
            padding: 1.5rem;
            margin: 2rem 0;
            font-size: 1.1rem;
        }
        .tip {
            background: #e8f4fd;
            border-left: 5px solid #2196F3;
            padding: 1rem;
            margin: 1.5rem 0;
        }
        .tip i {
            color: #2196F3;
            margin-right: 10px;
        }
        .sidebar {
            background: #f9f7ff;
            padding: 1.5rem;
            border-radius: 10px;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #5a2a7a;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #ddd;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 0.8rem;
        }
        .sidebar a {
            display: block;
            padding: 0.5rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .sidebar a:hover {
            background-color: #e8dff2;
            text-decoration: none;
        }
        .interactive-section {
            background: #fff;
            border: 1px solid #e0d6eb;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .interactive-section h2 {
            margin-top: 0;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-family: inherit;
        }
        button {
            background: #8a4baf;
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        button:hover {
            background: #6a2c91;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating i {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .rating i:hover,
        .rating i.active {
            color: #ffc107;
        }
        .figure-wrapper {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .figure-wrapper img {
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .figure-wrapper img:hover {
            transform: scale(1.02);
        }
        figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .site-footer {
            background: #2c1a3f;
            color: #d0c4e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #ffeb3b;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #b39ddb;
        }
        friend-link a:hover {
            color: #ffeb3b;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a3566;
            font-size: 0.9rem;
            color: #a094b2;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #888;
            text-align: right;
            margin-top: 2rem;
            font-style: italic;
        }