* {
            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: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #e63946;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #a8dadc;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }
        .bold { font-weight: 700; }
        .highlight {
            background-color: #ffdd99;
            padding: 0.2em 0.4em;
            border-radius: 4px;
        }
        .site-header {
            background: linear-gradient(135deg, #1d3557 0%, #457b9d 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-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #a8dadc;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            color: #f1faee;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #f1faee;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(168, 218, 220, 0.2);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #e63946;
        }
        .breadcrumb span {
            color: #495057;
        }
        .hero {
            background: linear-gradient(rgba(29, 53, 87, 0.9), rgba(69, 123, 157, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 4rem 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #f1faee;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-box button {
            background-color: #e63946;
            color: white;
            border: none;
            padding: 1rem 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background-color: #d00000;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1d3557;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #457b9d;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #a8dadc;
        }
        h3 {
            font-size: 1.8rem;
            color: #1d3557;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #e63946;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        blockquote {
            border-left: 5px solid #a8dadc;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f1faee;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .image-caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .comment-section, .rating-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 3rem;
            border: 1px solid #dee2e6;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #a8dadc;
            outline: none;
            box-shadow: 0 0 0 3px rgba(168, 218, 220, 0.25);
        }
        .btn {
            background-color: #457b9d;
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .btn:hover {
            background-color: #1d3557;
        }
        .btn-danger {
            background-color: #e63946;
        }
        .btn-danger:hover {
            background-color: #b71c1c;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .site-footer {
            background-color: #1d3557;
            color: #f1faee;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: #a8dadc;
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
        }
        .footer-col ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-col li {
            margin-bottom: 0.5rem;
        }
        .footer-col a {
            color: #f1faee;
        }
        .footer-col a:hover {
            color: #a8dadc;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background-color: #2a4365;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 4px solid #e63946;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #457b9d;
            font-size: 0.9rem;
            color: #a8dadc;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .hero h1 { font-size: 2.8rem; }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                display: block;
                padding: 0.8rem;
                background-color: rgba(255,255,255,0.1);
            }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1.1rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .article-content {
                padding: 1.5rem;
            }
        }