* {
            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: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #4361ee;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #3a0ca3;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(90deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 1.5rem 0;
            border-bottom: 5px solid #4361ee;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .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;
            background: linear-gradient(45deg, #4cc9f0, #4361ee);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px 0;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .breadcrumb {
            background: #0f3460;
            padding: 0.8rem 1.5rem;
            border-radius: 0 0 8px 8px;
            font-size: 0.9rem;
            margin-top: -5px;
        }
        .breadcrumb a {
            color: #b8c1ec;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #b8c1ec;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a:hover {
            background: rgba(67, 97, 238, 0.2);
            text-decoration: none;
        }
        .search-container {
            background: #f1faee;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #4361ee;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: linear-gradient(45deg, #4361ee, #3a0ca3);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(45deg, #3a0ca3, #7209b7);
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        article h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #4361ee;
            padding-left: 1.5rem;
        }
        article h2 {
            font-size: 2rem;
            color: #16213e;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #f1faee;
        }
        article h3 {
            font-size: 1.6rem;
            color: #0f3460;
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.3rem;
            color: #4361ee;
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .article-meta {
            color: #666;
            font-style: italic;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px dashed #ddd;
        }
        .highlight-box {
            background: #f8f9fa;
            border-left: 5px solid #4cc9f0;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .rating-badge {
            display: inline-block;
            background: #4361ee;
            color: white;
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-weight: bold;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 1px solid #eee;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
            align-self: start;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            color: #16213e;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1faee;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .link-list li:before {
            content: '🎯';
            position: absolute;
            left: 0;
        }
        .comment-section, .rating-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .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: #4361ee;
            outline: none;
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ffd700;
            margin: 1rem 0;
        }
        .star-rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .btn-submit {
            background: linear-gradient(45deg, #4361ee, #3a0ca3);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn-submit:hover {
            background: linear-gradient(45deg, #3a0ca3, #7209b7);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(67, 97, 238, 0.3);
        }
        .site-footer {
            background: #1a1a2e;
            color: #b8c1ec;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-radius: 15px 15px 0 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-widget h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #4cc9f0;
        }
        friend-link:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #0f3460;
            font-size: 0.9rem;
            color: #8a8dab;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #16213e;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .header-container {
                padding: 0 15px;
            }
            .main-content, .sidebar {
                padding: 1.5rem;
            }
            article h1 {
                font-size: 2.2rem;
            }
        }
        .text-bold {
            font-weight: 800;
            color: #16213e;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .last-updated {
            background: #e9ecef;
            padding: 0.8rem;
            border-radius: 6px;
            text-align: center;
            margin: 1.5rem 0;
            font-weight: bold;
        }