* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #1a237e;
            --secondary-color: #4fc3f7;
            --accent-color: #ff6f00;
            --dark-bg: #121212;
            --light-bg: #f5f5f7;
            --text-dark: #333;
            --text-light: #eee;
            --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #0d1440);
            color: var(--text-light);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #4fc3f7, #ff6f00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--accent-color);
            left: 0;
            bottom: -5px;
            transition: var(--transition);
        }
        nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e8eaf6;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child):after {
            content: '/';
            margin: 0 10px;
            color: #777;
        }
        main {
            padding: 2.5rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px solid #e0e0e0;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
            line-height: 1.2;
        }
        .meta {
            color: #666;
            font-style: italic;
            margin-bottom: 1.5rem;
        }
        .hero-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: var(--card-shadow);
        }
        .content-section {
            margin-bottom: 3rem;
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }
        h2 {
            font-size: 2.4rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.8rem;
            color: #0d1440;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
        }
        .highlight {
            background-color: #e3f2fd;
            border-left: 5px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .quote {
            font-style: italic;
            font-size: 1.4rem;
            color: var(--primary-color);
            text-align: center;
            margin: 2.5rem auto;
            max-width: 800px;
            padding: 2rem;
            background: #f8f9fa;
            border-radius: 12px;
            position: relative;
        }
        .quote:before, .quote:after {
            content: '"';
            font-size: 3rem;
            color: var(--accent-color);
            position: absolute;
            opacity: 0.5;
        }
        .quote:before {
            top: 10px;
            left: 20px;
        }
        .quote:after {
            bottom: 10px;
            right: 20px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, var(--primary-color), #283593);
            color: white;
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--card-shadow);
        }
        .stat-card i {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: var(--secondary-color);
        }
        .stat-card .number {
            font-size: 2.8rem;
            font-weight: 800;
            display: block;
        }
        .stat-card .label {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        .review-box {
            background: #fff8e1;
            border: 2px solid #ffd54f;
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
        }
        .review-box h3 {
            color: #ff6f00;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.15);
        }
        .feature-card h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feature-card form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .feature-card input,
        .feature-card textarea,
        .feature-card select {
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .feature-card input:focus,
        .feature-card textarea:focus,
        .feature-card select:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.2);
        }
        .feature-card button {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .feature-card button:hover {
            background: linear-gradient(to right, var(--secondary-color), var(--accent-color));
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ffc107;
        }
        .star-rating i {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .footer-links {
            background-color: #e8eaf6;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--primary-color);
            font-weight: 600;
        }
        .web-link:hover a {
            color: white;
        }
        footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            width: 100%;
            font-size: 0.95rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.6rem; }
            h2 { font-size: 2.1rem; }
            h3 { font-size: 1.6rem; }
            .content-section { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { position: relative; }
            nav ul {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary-color);
                flex-direction: column;
                align-items: center;
                padding: 1.5rem 0;
                gap: 1.2rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: var(--transition);
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            nav ul.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .hamburger { display: block; }
            .interactive-section { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.9rem; }
            .content-section { padding: 1.5rem; }
            .stats-grid { grid-template-columns: 1fr; }
            .web-links-container { grid-template-columns: 1fr; }
        }