* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #58cc02;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #1cb0f6;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1cb0f6 0%, #58cc02 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #ffd700;
        }
        .my-logo:hover {
            color: #ffd700;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e9f7fe;
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #d1ecf1;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: #1cb0f6;
        }
        .breadcrumb a {
            color: #1cb0f6;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #2d3748;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #1cb0f6;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #58cc02;
        }
        h3 {
            font-size: 1.6rem;
            color: #2d3748;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a5568;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #4a5568;
            background: #f0f9ff;
            padding: 1.5rem;
            border-left: 5px solid #1cb0f6;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f7ff, #f0fff0);
            border-left: 6px solid #58cc02;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .tip {
            background-color: #fff8e1;
            border-left: 5px solid #ffc107;
            padding: 1rem;
            margin: 1.5rem 0;
        }
        .tip i {
            color: #ff9800;
            margin-right: 0.5rem;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: #2d3748;
            font-weight: 700;
        }
        em {
            color: #5a67d8;
            font-style: italic;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #1cb0f6;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #58cc02;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: #58cc02;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #46a802;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1rem;
            border-left: 3px solid #1cb0f6;
        }
        .related-links a {
            color: #4a5568;
            display: block;
            padding: 0.3rem 0;
        }
        .related-links a:hover {
            color: #1cb0f6;
            padding-left: 0.5rem;
        }
        .interactive-section {
            background: #f8fdff;
            border: 2px dashed #1cb0f6;
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2d3748;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #58cc02;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 200px;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .rating i:hover {
            transform: scale(1.2);
        }
        .btn {
            background: linear-gradient(to right, #58cc02, #1cb0f6);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(88, 204, 2, 0.3);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(28, 176, 246, 0.4);
        }
        .btn-block {
            display: block;
            width: 100%;
        }
        footer {
            background: #2d3748;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #58cc02;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #a0aec0;
        }
        .footer-links a:hover {
            color: #58cc02;
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            border-left: 4px solid #1cb0f6;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.95rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1cb0f6;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 15px 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article, aside {
                padding: 1.5rem;
            }
            .content-wrapper {
                gap: 2rem;
            }
        }