* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: #2a9d8f;
            transition: color 0.3s;
        }
        a:hover {
            color: #264653;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #2a9d8f 0%, #264653 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: #e9c46a;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #f4a261;
        }
        .burger-menu {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: rgba(233, 196, 106, 0.3);
            text-decoration: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #e0e0e0;
        }
        .breadcrumb a {
            color: #e9c46a;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        .content {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
            height: fit-content;
        }
        h1 {
            color: #264653;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 4px solid #2a9d8f;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #2a9d8f;
            font-size: 2rem;
            margin: 2rem 0 1rem;
            padding-top: 1rem;
        }
        h3 {
            color: #e76f51;
            font-size: 1.5rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: #f4a261;
            font-size: 1.2rem;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 5px solid #e9c46a;
            padding: 1rem;
            margin: 1.5rem 0;
            font-weight: bold;
        }
        emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }
        .interactive-forms {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin: 2rem 0;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
        }
        .form-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            flex: 1;
            min-width: 200px;
        }
        button {
            background: #2a9d8f;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s;
            font-weight: bold;
        }
        button:hover {
            background: #264653;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffd700;
            cursor: pointer;
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #666;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #ccc;
        }
        footer {
            background: #264653;
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            color: #e9c46a;
            font-weight: 500;
        }
        friend-link:hover {
            color: #f4a261;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2a9d8f;
            font-size: 0.9rem;
            color: #b0b0b0;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .burger-menu {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2a9d8f;
                margin-top: 1rem;
                border-radius: 10px;
                padding: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            main {
                grid-template-columns: 1fr;
            }
            .footer-content {
                flex-direction: column;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        .schema-data {
            display: none;
        }