* { 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, #f5f7fa 0%, #c3cfe2 100%);
            background-attachment: fixed;
            max-width: 1200px;
            margin: 0 auto;
            box-shadow: 0 0 30px rgba(0,0,0,0.1);
        }
        a { color: #2a5caa; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e63946; }
        img { max-width: 100%; height: auto; display: block; }
        .container { padding: 0 20px; }
        header {
            background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i { color: #4cc9f0; }
        .logo span { text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #e2e8f0;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            transition: all 0.3s;
        }
        nav a:hover, nav a.active {
            background-color: rgba(255,255,255,0.15);
            color: white;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #edf2f7;
            border-bottom: 1px solid #cbd5e0;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb a:hover { color: #2d3748; }
        .breadcrumb span { color: #718096; }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
            background-color: white;
        }
        article { padding-right: 1rem; }
        aside { padding-left: 1rem; border-left: 2px solid #e2e8f0; }
        h1 {
            font-size: 2.8rem;
            color: #1a202c;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #e63946;
            padding-left: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #2d3748;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #cbd5e0;
        }
        h3 {
            font-size: 1.5rem;
            color: #4a5568;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.08rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #2a5caa;
            background-color: #f0f9ff;
            padding: 1.2rem;
            border-radius: 10px;
            border-left: 5px solid #2a5caa;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .note {
            background-color: #e8f4fd;
            border-left: 4px solid #3182ce;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 5px 5px 0;
        }
        .button {
            display: inline-block;
            background: linear-gradient(to right, #e63946, #ff6b6b);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.2);
            background: linear-gradient(to right, #d90429, #e63946);
        }
        .featured-image {
            width: 100%;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            margin: 2rem 0;
            border: 5px solid #f8f9fa;
        }
        .sidebar-widget {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #2d3748;
            margin-top: 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #4cc9f0;
        }
        .search-form input {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #cbd5e0;
            border-radius: 5px;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }
        .link-list { list-style: none; }
        .link-list li { margin-bottom: 0.7rem; }
        .link-list a {
            display: block;
            padding: 0.7rem;
            background-color: white;
            border-radius: 5px;
            border-left: 4px solid #2a5caa;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background-color: #e6f7ff;
            transform: translateX(5px);
        }
        .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 1.8rem;
            border-radius: 10px;
            margin-top: 2.5rem;
        }
        .form-group { margin-bottom: 1.2rem; }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4a5568;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #cbd5e0;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #4cc9f0;
            outline: none;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .star:hover ~ .star { color: #cbd5e0; }
        footer {
            background: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e63946;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #90cdf4;
            padding: 0.3rem 0;
            display: inline-block;
        }
        friend-link a:hover { color: white; text-decoration: underline; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            main { grid-template-columns: 1fr; }
            aside { border-left: none; border-top: 2px solid #e2e8f0; padding-left: 0; padding-top: 2rem; }
        }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; align-items: flex-start; }
            nav ul {
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
                margin-top: 1rem;
                display: none;
            }
            nav ul.active { display: flex; }
            .hamburger { display: block; align-self: flex-end; margin-top: -50px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .lead { font-size: 1.1rem; }
        }