* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #3498db;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 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-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(to right, #ff7e5f, #feb47b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: initial;
            color: inherit;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb span {
            color: #2c3e50;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover {
            border-bottom: 2px solid #ff7e5f;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .search-form {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            padding: 5px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .search-form input {
            border: none;
            padding: 10px 15px;
            flex-grow: 1;
            outline: none;
            min-width: 200px;
        }
        .search-form button {
            background: #3498db;
            border: none;
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #2980b9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        article h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 25px;
            line-height: 1.2;
            border-left: 6px solid #ff7e5f;
            padding-left: 20px;
        }
        article h2 {
            font-size: 2rem;
            color: #34495e;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #bdc3c7;
        }
        article h3 {
            font-size: 1.5rem;
            color: #2c3e50;
            margin: 30px 0 15px;
        }
        article h4 {
            font-size: 1.2rem;
            color: #7f8c8d;
            margin: 25px 0 10px;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-left: 4px solid #f1c40f;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 25px rgba(0,0,0,0.1);
        }
        .content-img figcaption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            padding: 10px;
            font-size: 0.9rem;
        }
        .sidebar {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #3498db;
        }
        .quick-links {
            list-style: none;
            margin-bottom: 30px;
        }
        .quick-links li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .quick-links li:before {
            content: '➤';
            position: absolute;
            left: 0;
            color: #ff7e5f;
        }
        .interaction-form {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin-top: 30px;
        }
        .interaction-form h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #3498db;
            outline: none;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #f1c40f;
            margin: 10px 0;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .btn-submit {
            background: linear-gradient(to right, #2ecc71, #1abc9c);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            display: block;
            width: 100%;
        }
        .btn-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(46, 204, 113, 0.4);
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #ff7e5f;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 1rem;
            }
            .search-form input {
                min-width: 150px;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
                font-size: 1.8rem;
            }
            .main-nav {
                order: 3;
                width: 100%;
                margin-top: 20px;
                display: none;
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }
            .nav-links li {
                width: 100%;
                border-bottom: 1px solid #34495e;
            }
            .nav-links a {
                display: block;
                padding: 15px 0;
            }
            .search-form {
                width: 100%;
                margin-top: 20px;
            }
            article {
                padding: 25px;
            }
            article h1 {
                font-size: 2.2rem;
            }
        }