* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: #333;
            line-height: 1.8;
            font-size: 18px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #2d5be3;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #ff6b6b;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffde59;
            text-decoration: none;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: #fff;
            text-decoration: none;
        }
        .logo-icon {
            font-size: 2.5rem;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 6px;
        }
        .desktop-nav a:hover {
            background: rgba(255,255,255,0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #311b92;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            margin: 0.8rem 0;
        }
        .mobile-nav a {
            color: white;
            font-size: 1.2rem;
            display: block;
            padding: 0.8rem;
            border-radius: 6px;
        }
        .mobile-nav a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: #e8eaf6;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a237e;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .article-content h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-left: 8px solid #ffde59;
            padding-left: 20px;
        }
        .article-content h2 {
            font-size: 2rem;
            color: #311b92;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #c3cfe2;
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: #5c6bc0;
            margin: 2rem 0 1rem;
        }
        .article-content p {
            margin-bottom: 1.8rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ffde5980 0%, #ffde5980 100%);
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #ff9800;
            margin: 2rem 0;
            font-weight: 600;
        }
        .tip-box {
            background: #e3f2fd;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 5px solid #2196f3;
        }
        .tip-box h4 {
            color: #0d47a1;
            margin-bottom: 0.5rem;
            font-size: 1.3rem;
        }
        .feature-img {
            width: 80%;
            margin: 2.5rem auto;
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
            border: 8px solid white;
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 1rem;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
        }
        .widget h3 {
            color: #1a237e;
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget h3 i {
            color: #ff9800;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #c3cfe2;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #1a237e;
        }
        .search-form button {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: all 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #311b92, #4527a0);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2rem;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form button {
            background: #4caf50;
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            width: 100%;
            transition: background 0.3s;
        }
        .rating-form button:hover {
            background: #388e3c;
        }
        .comments-widget textarea {
            width: 100%;
            height: 120px;
            padding: 1rem;
            border: 2px solid #c3cfe2;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
            margin-bottom: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .comments-widget textarea:focus {
            border-color: #1a237e;
        }
        .comments-widget button {
            background: linear-gradient(90deg, #ff6b6b, #ff8e53);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s;
        }
        .comments-widget button:hover {
            background: linear-gradient(90deg, #ff5252, #ff7a45);
            transform: translateY(-3px);
        }
        .web-links-section {
            background: white;
            padding: 2.5rem;
            border-radius: 16px;
            margin: 3rem 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .web-links-section h2 {
            color: #1a237e;
            margin-bottom: 1.5rem;
            font-size: 2.2rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: #f9f9ff;
            padding: 1.2rem;
            border-radius: 10px;
            border-left: 5px solid #5c6bc0;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background: #e8eaf6;
            transform: translateX(10px);
        }
        .web-link a {
            color: #333;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .web-link a:hover {
            color: #1a237e;
            text-decoration: none;
        }
        footer {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #ffde59;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 0.8rem;
        }
        .footer-section a {
            color: #c3cfe2;
        }
        .footer-section a:hover {
            color: #ffde59;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.95rem;
            color: #c3cfe2;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0 15px;
            }
            .article-content {
                padding: 1.5rem;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .feature-img {
                width: 100%;
            }
            .breadcrumb {
                margin: 1rem 0;
                padding: 0.8rem;
            }
            .widget {
                padding: 1.5rem;
            }
        }