* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        button, input, textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        :root {
            --primary: #4361ee;
            --secondary: #3a0ca3;
            --accent: #f72585;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #4cc9f0;
            --warning: #ffbe0b;
        }
        header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            color: white;
        }
        .logo span {
            color: var(--warning);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            color: var(--warning);
        }
        .hamburger {
            display: none;
            background: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--secondary);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:hover {
            background-color: var(--primary);
            color: var(--warning);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 1rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid var(--primary);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #6c757d;
            font-size: 0.95rem;
        }
        .article-meta i {
            margin-right: 0.5rem;
            color: var(--primary);
        }
        .content-section {
            margin-bottom: 3rem;
            padding: 0 2rem;
        }
        @media (max-width: 768px) {
            .content-section {
                padding: 0 1rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--accent);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1.5rem;
            border-left: 5px solid var(--warning);
            margin: 1.5rem 0;
            border-radius: 0 10px 10px 0;
        }
        .highlight strong {
            color: var(--accent);
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .search-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-box h3 {
            color: var(--dark);
            margin-bottom: 1rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1.2rem;
            border-radius: 30px 0 0 30px;
            border: 2px solid var(--primary);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: var(--secondary);
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-section, .rating-section {
            background-color: #f1f8ff;
            padding: 2rem;
            border-radius: 15px;
            border: 1px solid #cfe2ff;
        }
        .comment-section h3, .rating-section h3 {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .comment-form input, .comment-form textarea, .rating-form select {
            padding: 0.8rem;
            border-radius: 8px;
            border: 1px solid #adb5bd;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ffc107;
            margin: 1rem 0;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
            color: #fd7e14;
        }
        .submit-btn {
            background-color: var(--accent);
            color: white;
            padding: 1rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .submit-btn:hover {
            background-color: #d63384;
            transform: translateY(-3px);
        }
        .longtail-links {
            background-color: #e9ecef;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            margin: 0.8rem;
            padding: 0.6rem 1.2rem;
            background-color: white;
            border-radius: 30px;
            box-shadow: 0 3px 6px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(67, 97, 238, 0.4);
        }
        .links-container {
            text-align: center;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 2rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .copyright {
            font-size: 0.9rem;
            color: #adb5bd;
            border-top: 1px solid #495057;
            padding-top: 1rem;
            width: 100%;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.08);
            transition: transform 0.3s;
        }
        .card:hover {
            transform: translateY(-10px);
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 0.5rem;
        }
        .bold-accent {
            font-weight: 800;
            color: var(--accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .user-interaction {
                grid-template-columns: 1fr;
            }
        }