* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: #1a1a2e;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid #ff6b6b; padding-left: 15px; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #333; margin-top: 2rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .highlight { background-color: #fffacd; padding: 0.2em 0.4em; border-radius: 4px; }
        em { color: #555; }
        strong { color: #1a1a2e; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 1.2rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffd700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span { color: #4ecca3; }
        nav ul {
            display: flex;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover { color: #ffd700; }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffd700;
            transition: width 0.3s ease;
        }
        nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #16213e;
                padding: 1.5rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
            }
            nav.active ul {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            nav li { margin: 0.8rem 0; }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #1a1a2e; }
        .breadcrumb a:hover { color: #ff6b6b; }
        .breadcrumb span { color: #666; }
        .hero {
            background: linear-gradient(rgba(26,26,46,0.85), rgba(22,33,62,0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 5rem 2rem;
            border-radius: 0 0 20px 20px;
            margin-bottom: 3rem;
        }
        .hero h1 { font-size: 3.2rem; color: #ffd700; margin-bottom: 1rem; }
        .hero p { font-size: 1.3rem; max-width: 800px; margin: 0 auto 2rem; }
        .content-section {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
            margin-bottom: 3rem;
        }
        .section-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
        }
        .info-box {
            background: #e3f2fd;
            border-left: 5px solid #2196f3;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 4px solid #4ecca3;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.1);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: #4ecca3;
            margin-bottom: 1rem;
        }
        .interactive-section {
            background: #f8f9fa;
            padding: 3rem;
            border-radius: 15px;
            margin: 3rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: #4ecca3;
        }
        button {
            background: linear-gradient(to right, #1a1a2e, #16213e);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        button:hover {
            background: linear-gradient(to right, #16213e, #0f1529);
            transform: scale(1.03);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .star:hover,
        .star.active { color: #ffd700; }
        .web-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            padding: 3rem 0;
            background: #e9ecef;
            margin-top: 3rem;
        }
        .web-link {
            background: white;
            padding: 0.8rem 1.5rem;
            border-radius: 30px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background: #1a1a2e;
            color: white;
            transform: translateY(-5px);
        }
        footer {
            background: #1a1a2e;
            color: #ccc;
            text-align: center;
            padding: 3rem 2rem;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2rem 0;
        }
        .footer-links a { color: #4ecca3; }
        .footer-links a:hover { color: #ffd700; }
        .copyright {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #333;
            font-size: 0.95rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .hero h1 { font-size: 2.8rem; }
        }
        @media (max-width: 768px) {
            .content-section, .interactive-section { padding: 2rem; }
            .hero { padding: 3rem 1.5rem; }
            .hero h1 { font-size: 2.3rem; }
            .features-grid { grid-template-columns: 1fr; }
            .web-links { flex-direction: column; align-items: center; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .header-inner { flex-wrap: wrap; }
        }