* { 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%, #e4e8ed 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .header {
            background: linear-gradient(to right, #1a237e, #283593);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(45deg, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            transition: transform 0.3s;
        }
        .logo:hover { transform: scale(1.05); }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
            font-weight: 600;
        }
        .nav-desktop a:hover { background: rgba(255,255,255,0.2); }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffeb3b;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #1a237e;
            width: 100%;
            margin-top: 1rem;
            border-radius: 8px;
            overflow: hidden;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            padding: 1rem;
            border-bottom: 1px solid #283593;
            transition: background 0.3s;
        }
        .nav-mobile a:hover { background: #283593; }
        .breadcrumb {
            background: #e8eaf6;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            color: #555;
        }
        .breadcrumb a { color: #1a237e; }
        .breadcrumb a:hover { text-decoration: underline; }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            flex: 1;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }
        .article h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-left: 6px solid #ff9800;
            padding-left: 1rem;
        }
        .article h2 {
            color: #283593;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #c5cae9;
        }
        .article h3 { color: #3949ab; margin: 1.8rem 0 1rem; }
        .article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            color: #444;
        }
        .highlight {
            background: #fff8e1;
            border-left: 4px solid #ffb300;
            padding: 1.5rem;
            margin: 1.8rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            border: 5px solid #e8eaf6;
            transition: transform 0.5s;
        }
        .feature-img:hover { transform: scale(1.01); }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }
        .bold { font-weight: 900; color: #1a237e; }
        .term { font-style: italic; color: #d81b60; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .widget {
            background: white;
            border-radius: 10px;
            padding: 1.8rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            color: #1a237e;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.9rem;
            border: 1px solid #c5cae9;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3949ab;
            box-shadow: 0 0 0 3px rgba(57,73,171,0.2);
        }
        button {
            background: linear-gradient(to right, #ff9800, #ffb300);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        button:hover {
            background: linear-gradient(to right, #f57c00, #ffa000);
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffb300;
            cursor: pointer;
            justify-content: center;
            margin: 1rem 0;
        }
        .internal-links {
            background: #1a237e;
            color: white;
            padding: 2.5rem 2rem;
            margin-top: 3rem;
        }
        .links-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.2rem;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateX(5px);
        }
        .footer {
            background: #0d1533;
            color: #c5cae9;
            padding: 2.5rem 2rem;
            text-align: center;
        }
        .footer p { margin: 0.5rem 0; font-size: 0.95rem; }
        .copyright { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid #283593; }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .nav-desktop { display: none; }
            .hamburger { display: block; align-self: center; position: absolute; right: 2rem; top: 1.2rem; }
            .article { padding: 1.5rem; }
            .article h1 { font-size: 2rem; }
            .container { padding: 0 1rem; }
            .widget { padding: 1.5rem; }
        }