* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #ffffff;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
        }
        header {
            background: linear-gradient(135deg, var(--primary), #1e40af);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: white;
            background: linear-gradient(to right, #fbbf24, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }
        nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 6px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child):after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1540747913346-19e32dc3e97e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
            border-radius: 0 0 20px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        .search-container {
            max-width: 700px;
            margin: 2rem auto;
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--primary);
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .content-section {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
            border-left: 5px solid var(--accent);
        }
        h2 {
            color: var(--primary);
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        h3 {
            color: var(--dark);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #1e40af;
        }
        h4 {
            color: var(--gray);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #334155;
        }
        .highlight {
            background: linear-gradient(120deg, #fef3c7 0%, #fef3c7 100%);
            padding: 25px;
            border-radius: 10px;
            border-left: 4px solid var(--accent);
            margin: 2rem 0;
        }
        .highlight strong {
            color: var(--primary);
            font-size: 1.2rem;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .article-img img {
            width: 100%;
            transition: var(--transition);
        }
        .article-img:hover img {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-section a:not(.btn) {
            color: var(--primary);
            border-bottom: 1px dashed var(--primary);
            padding-bottom: 1px;
        }
        .content-section a:not(.btn):hover {
            border-bottom-style: solid;
        }
        ul.content-list, ol.content-list {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .interaction-module {
            background: #f1f5f9;
            padding: 30px;
            border-radius: 12px;
            margin: 3rem 0;
        }
        .interaction-module h3 {
            color: var(--primary);
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 1.5rem 0;
        }
        .star {
            color: #cbd5e1;
            font-size: 1.8rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(220, 38, 38, 0.3);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 15px;
            margin-bottom: 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        textarea:focus, input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
        }
        .responsive-table {
            overflow-x: auto;
            margin: 2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background: #f8fafc;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 1rem;
            background: linear-gradient(to right, #fbbf24, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e1;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 8px;
            margin: 1rem 0;
            border-left: 4px solid var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .last-updated {
            background: #dbeafe;
            color: var(--primary);
            padding: 15px;
            border-radius: 8px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        @media (max-width: 992px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                gap: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                box-shadow: var(--shadow);
                border-radius: 0 0 12px 12px;
            }
            nav ul.active {
                display: flex;
            }
            .hero {
                padding: 70px 20px;
            }
            .content-section {
                padding: 25px;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input,
            .search-form button {
                border-radius: 8px;
                margin-bottom: 10px;
            }
        }