* {
            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;
            background-image: linear-gradient(to bottom, #fff9f2 0%, #ffffff 100px);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #d43f3a;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #a93226;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5em;
            margin: 1em 0;
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #2c3e50;
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 4px solid #f1c40f;
            padding-bottom: 15px;
            margin-top: 0.5em;
        }
        h2 {
            font-size: 2.2rem;
            color: #e67e22;
            border-left: 5px solid #f1c40f;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #d35400;
        }
        h4 {
            font-size: 1.4rem;
            color: #a04000;
        }
        p {
            margin-bottom: 1.2em;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #c0392b;
            font-weight: 700;
        }
        em {
            color: #7d6608;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid #f1c40f;
            background-color: #fff9e6;
            padding: 20px;
            margin: 25px 0;
            font-style: italic;
            border-radius: 0 8px 8px 0;
        }
        .site-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 1.5rem 0;
            border-radius: 0 0 12px 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            color: #f1c40f;
            text-decoration: none;
            padding: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #f7dc6f;
            text-decoration: none;
        }
        .my-logo i {
            color: #d43f3a;
            margin-right: 10px;
        }
        .main-nav {
            display: flex;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-list a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a:hover {
            background-color: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            background-color: #f8f9fa;
            padding: 12px 20px;
            border-radius: 8px;
            margin: 1rem 0 2rem;
            font-size: 0.9rem;
            color: #7f8c8d;
            border: 1px solid #eaeaea;
        }
        .breadcrumb a {
            color: #3498db;
        }
        .search-container {
            background: linear-gradient(to right, #f8c471, #f5b041);
            padding: 25px;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background-color: #2c3e50;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #1a252f;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 2rem 0;
        }
        .main-article {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #eaeaea;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #2c3e50;
            border-bottom: 2px solid #f1c40f;
            padding-bottom: 10px;
            margin-top: 0;
        }
        .quick-links {
            list-style: none;
            padding-left: 0;
        }
        .quick-links li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .quick-links li:before {
            content: "→";
            color: #d43f3a;
            position: absolute;
            left: 0;
        }
        .featured-image {
            margin: 2.5rem 0;
            text-align: center;
            border: 1px solid #ddd;
            padding: 10px;
            border-radius: 10px;
            background: #fff;
        }
        .featured-image img {
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .image-caption {
            font-style: italic;
            color: #7f8c8d;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interactive-box {
            background: linear-gradient(145deg, #e8f4fc, #d1e7f5);
            border-left: 5px solid #3498db;
            padding: 20px;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .pro-tip {
            background-color: #fffde7;
            border: 2px dashed #f1c40f;
            padding: 20px;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .pro-tip h4 {
            color: #d35400;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-form, .rating-form {
            background: white;
            padding: 25px;
            border-radius: 10px;
            border: 1px solid #ddd;
            margin: 3rem 0;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #2c3e50;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #3498db;
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            padding: 0 5px;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #f1c40f;
        }
        .submit-button {
            background: linear-gradient(to right, #27ae60, #2ecc71);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(46, 204, 113, 0.4);
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 40px 0 20px;
            margin-top: 4rem;
            border-radius: 12px 12px 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #f1c40f;
            border-bottom: 1px solid #34495e;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed #34495e;
            color: #bdc3c7;
        }
        friend-link a {
            color: #bdc3c7;
        }
        friend-link a:hover {
            color: #f1c40f;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #7f8c8d;
            margin-top: 2rem;
            padding-top: 10px;
            border-top: 1px solid #eee;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .main-nav {
                width: 100%;
                justify-content: center;
                margin-top: 1rem;
            }
            .nav-list {
                flex-wrap: wrap;
                justify-content: center;
                gap: 15px;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 15px;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #34495e;
                border-radius: 8px;
                padding: 15px;
                margin-top: 10px;
            }
            .nav-list.active {
                display: flex;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-button {
                border-radius: 50px;
                margin: 5px 0;
            }
        }
        @media (max-width: 480px) {
            body { padding: 0 10px; }
            .main-article, .sidebar { padding: 20px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
        }