* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: #3498db;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1d6fa5;
        }
        ul, ol {
            padding-left: 2rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1, h2, h3, h4 {
            font-family: 'Georgia', serif;
            color: #1a1a2e;
            margin-bottom: 1rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.5rem;
            border-bottom: 4px solid #e74c3c;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            padding-left: 0.75rem;
            border-left: 5px solid #3498db;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: #34495e;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #e74c3c;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #555;
        }
        blockquote {
            border-left: 4px solid #9b59b6;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f4f4f9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 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;
        }
        .logo a {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #e74c3c;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #3498db;
        }
        .logo a:hover {
            color: #ff6b6b;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: #3498db;
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 0.8rem 1.5rem;
            font-size: 0.9rem;
            color: #7f8c8d;
            border-bottom: 1px solid #bdc3c7;
        }
        .breadcrumb a {
            color: #3498db;
        }
        .breadcrumb span {
            color: #95a5a6;
        }
        .search-section {
            background-color: #2c3e50;
            padding: 1.5rem 0;
            margin-bottom: 2rem;
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background-color: #e74c3c;
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .search-button:hover {
            background-color: #c0392b;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #eee;
        }
        .meta-info {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 1rem;
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 0.5rem;
            color: #3498db;
        }
        .featured-image {
            margin: 2.5rem auto;
            text-align: center;
        }
        .featured-image img {
            max-width: 800px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.01);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.75rem;
            font-size: 0.95rem;
        }
        .content-section {
            padding: 0 2rem;
        }
        .strategy-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-left: 5px solid #2ecc71;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .strategy-box h4 {
            color: #27ae60;
            margin-top: 0;
        }
        .pro-tip {
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            border-left: 5px solid #f39c12;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 5px 5px 0;
        }
        .interactive-section {
            margin: 3rem 0;
            padding: 2rem;
            background-color: #f8f9fa;
            border-radius: 10px;
            border: 1px solid #dee2e6;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            padding: 0.75rem;
            border: 1px solid #bdc3c7;
            border-radius: 5px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #f1c40f;
            margin: 0.5rem 0;
        }
        .star-rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .btn {
            padding: 0.9rem 1.8rem;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            align-self: start;
        }
        .btn:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        }
        .btn-submit {
            background-color: #2ecc71;
        }
        .btn-submit:hover {
            background-color: #27ae60;
        }
        footer {
            background-color: #1a1a2e;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: #e74c3c;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            border-bottom: 2px solid #2c3e50;
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: #3498db;
        }
        friend-link {
            display: block;
            background-color: #2c3e50;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        friend-link a {
            color: #3498db;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2c3e50;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .main-nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .content-section {
                padding: 0 1rem;
            }
            .featured-image img {
                max-width: 100%;
            }
            .meta-info {
                flex-direction: column;
                align-items: center;
                gap: 0.5rem;
            }
        }
        @media (max-width: 480px) {
            html { font-size: 14px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .search-form { flex-direction: column; border-radius: 8px; }
            .search-button { padding: 1rem; justify-content: center; }
        }