* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #2c5aa0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: #ffde59;
        }
        .search-box {
            display: flex;
            width: 300px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 30px 0 0 30px;
            outline: none;
            font-size: 1rem;
        }
        .search-box button {
            background: #ffde59;
            color: #333;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 20px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #ffcc00;
        }
        nav {
            background-color: #2c3e50;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        .main-nav {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            position: relative;
        }
        .main-nav a {
            color: #ecf0f1;
            padding: 18px 22px;
            display: block;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: #1a252f;
            color: #ffde59;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e8f4fc;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #2c5aa0;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #999;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        article h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 20px;
            line-height: 1.2;
            border-bottom: 3px solid #ffde59;
            padding-bottom: 15px;
        }
        article h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin: 35px 0 15px;
            padding-bottom: 8px;
            border-bottom: 1px dashed #ddd;
        }
        article h3 {
            font-size: 1.5rem;
            color: #34495e;
            margin: 25px 0 10px;
        }
        article p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(to right, #e8f4fc, #f0f9ff);
            border-left: 5px solid #2c5aa0;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box p {
            margin-bottom: 0;
            font-style: italic;
        }
        .feature-img {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .feature-img figcaption {
            text-align: center;
            padding: 10px;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 150px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            color: #1a2980;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #ffde59;
        }
        .rating-widget form,
        .comment-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            direction: rtl;
            margin-bottom: 10px;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffcc00;
        }
        form input,
        form textarea,
        form select {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        form button {
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        form button:hover {
            opacity: 0.9;
        }
        .footer-links {
            background-color: #2c3e50;
            padding: 40px 0;
            margin-top: 50px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            padding: 15px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #ecf0f1;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: #ffde59;
        }
        footer {
            background-color: #1a252f;
            color: #bdc3c7;
            text-align: center;
            padding: 30px 0;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            border-top: 1px solid #34495e;
            padding-top: 20px;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-box {
                width: 100%;
                max-width: 500px;
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 20px;
                top: 10px;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 999;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav li {
                width: 100%;
                text-align: center;
            }
            .nav-container {
                flex-direction: column;
                align-items: flex-start;
            }
            article {
                padding: 25px;
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
        }