:root {
            --primary: #1a237e;
            --secondary: #ff6f00;
            --accent: #4caf50;
            --light: #f5f5f5;
            --dark: #212121;
            --gray: #757575;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            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: var(--dark);
            background-color: #fff;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        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, var(--primary), #283593);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            color: white;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            color: var(--secondary);
            margin-right: 10px;
            font-size: 2.5rem;
        }
        .my-logo:hover {
            color: var(--secondary);
        }
        .breadcrumb {
            margin: 10px 0;
            font-size: 0.9rem;
            color: #e0e0e0;
        }
        .breadcrumb a {
            color: #bbdefb;
        }
        .breadcrumb a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 10px;
        }
        .main-nav {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 2rem;
            position: relative;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 3px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.15);
            border-radius: 30px;
            padding: 8px 15px;
            margin-left: 2rem;
        }
        .search-box input {
            background: transparent;
            border: none;
            color: white;
            outline: none;
            width: 200px;
            padding: 5px 10px;
        }
        .search-box input::placeholder {
            color: #bbdefb;
        }
        .search-box button {
            background: transparent;
            border: none;
            color: white;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-box button:hover {
            color: var(--secondary);
        }
        .hero {
            background: linear-gradient(rgba(26, 35, 126, 0.9), rgba(26, 35, 126, 0.8)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 5rem 2rem;
            margin-bottom: 3rem;
            border-radius: 0 0 20px 20px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .last-updated {
            background: rgba(255, 111, 0, 0.9);
            display: inline-block;
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 0.95rem;
            margin-top: 1rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            font-size: 1.1rem;
        }
        .article-body h2 {
            color: var(--primary);
            margin: 3rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
            font-size: 2.2rem;
        }
        .article-body h3 {
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            font-size: 1.8rem;
        }
        .article-body h4 {
            color: var(--gray);
            margin: 2rem 0 1rem;
            font-size: 1.5rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
            line-height: 1.8;
        }
        .article-body strong {
            color: var(--primary);
            font-weight: 700;
        }
        .article-body em {
            color: var(--secondary);
            font-style: italic;
        }
        .article-body blockquote {
            border-left: 5px solid var(--secondary);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--gray);
            background: var(--light);
            padding: 2rem;
            border-radius: 0 10px 10px 0;
        }
        .article-body ul, .article-body ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.8rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border-left: 6px solid var(--accent);
            padding: 1.5rem;
            margin: 2.5rem 0;
            border-radius: 0 10px 10px 0;
            box-shadow: var(--shadow);
        }
        .img-container {
            margin: 3rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 12px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .img-container img:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .img-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--primary);
            border-bottom: 2px dotted var(--secondary);
            font-weight: 600;
        }
        .content-link:hover {
            color: var(--secondary);
            border-bottom-style: solid;
        }
        .inline-emoji {
            font-size: 1.3em;
            margin: 0 5px;
            vertical-align: middle;
        }
        .sidebar {
            background: var(--light);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 150px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--secondary);
            font-size: 1.5rem;
        }
        .featured-links ul {
            list-style: none;
            margin-left: 0;
        }
        .featured-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ccc;
        }
        .featured-links a {
            display: flex;
            align-items: center;
            color: var(--dark);
        }
        .featured-links a:hover {
            color: var(--secondary);
        }
        .featured-links i {
            margin-right: 10px;
            color: var(--accent);
        }
        .interaction-section {
            background: var(--light);
            padding: 2.5rem;
            border-radius: 15px;
            margin: 4rem 0;
            box-shadow: var(--shadow);
        }
        .interaction-section h2 {
            color: var(--primary);
            margin-bottom: 2rem;
            text-align: center;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 111, 0, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 2rem;
            gap: 5px;
            margin-bottom: 1rem;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: var(--secondary);
        }
        .btn {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 14px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 111, 0, 0.3);
        }
        .form-actions {
            text-align: center;
            margin-top: 2rem;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-widget h4 {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdbdbd;
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        friend-link h4 {
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #4fc3f7;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #424242;
            color: #9e9e9e;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .nav-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                margin-top: 1rem;
                background: rgba(26, 35, 126, 0.98);
                padding: 1rem;
                border-radius: 10px;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav li {
                margin: 0.8rem 0;
            }
            .hamburger {
                display: block;
            }
            .search-box {
                margin-left: 0;
                margin-top: 1rem;
                width: 100%;
                order: 3;
            }
            .search-box input {
                width: 100%;
            }
        }