:root {
            --primary: #1a365d;
            --secondary: #c53030;
            --accent: #ecc94b;
            --dark: #2d3748;
            --light: #f7fafc;
            --gray: #a0aec0;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(15, 23, 42, 0.95);
            border-bottom: 2px solid var(--secondary);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, var(--accent), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: var(--light);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--radius);
        }
        nav a:hover {
            background-color: var(--secondary);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--accent);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--gray);
            border-bottom: 1px solid #334155;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(26, 54, 93, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') no-repeat center/cover;
            padding: 60px 0;
            text-align: center;
            margin-bottom: 40px;
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--accent);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .search-box {
            max-width: 600px;
            margin: 30px auto 0;
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: var(--radius) 0 0 var(--radius);
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1rem;
            backdrop-filter: blur(5px);
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #9b2c2c;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        article {
            background-color: rgba(30, 41, 59, 0.7);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid #475569;
        }
        h1, h2, h3, h4 {
            color: var(--accent);
            margin-top: 2em;
            margin-bottom: 0.8em;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid var(--secondary); padding-left: 15px; }
        h3 { font-size: 1.8rem; color: #cbd5e1; }
        h4 { font-size: 1.4rem; color: #94a3b8; }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: #cbd5e1;
            background: rgba(199, 210, 254, 0.05);
            padding: 25px;
            border-radius: var(--radius);
            margin-bottom: 2.5em;
            border-left: 4px solid var(--accent);
        }
        strong {
            color: var(--accent);
            font-weight: 700;
        }
        em {
            color: #90cdf4;
            font-style: italic;
        }
        .img-container {
            margin: 3em auto;
            text-align: center;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            border: 3px solid var(--dark);
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
            transition: var(--transition);
        }
        .img-container img:hover {
            transform: scale(1.01);
            border-color: var(--secondary);
        }
        .caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--gray);
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2em;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.7em;
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding-left: 25px;
            margin: 2.5em 0;
            font-style: italic;
            color: #a5b4cb;
            background: rgba(197, 48, 48, 0.05);
            padding: 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #1e3a8a, #374151);
            padding: 25px;
            border-radius: var(--radius);
            margin: 2.5em 0;
            border: 1px solid #4f46e5;
            box-shadow: var(--shadow);
        }
        .update-time {
            background-color: rgba(6, 95, 70, 0.2);
            color: #6ee7b7;
            padding: 15px;
            border-radius: var(--radius);
            margin-top: 3em;
            text-align: center;
            border: 1px solid #10b981;
            font-weight: 600;
        }
        aside {
            background-color: rgba(30, 41, 59, 0.7);
            padding: 25px;
            border-radius: var(--radius);
            height: fit-content;
            position: sticky;
            top: 140px;
            border: 1px solid #475569;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .widget-links a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background-color: rgba(55, 65, 81, 0.5);
            border-radius: var(--radius);
            color: #e2e8f0;
        }
        .widget-links a:hover {
            background-color: var(--primary);
            transform: translateX(5px);
        }
        .interactive {
            background-color: rgba(30, 41, 59, 0.7);
            padding: 30px;
            border-radius: var(--radius);
            margin-top: 50px;
            border: 1px solid #475569;
        }
        .interactive h2 {
            border-left: none;
            padding-left: 0;
            text-align: center;
        }
        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin: 25px 0;
            flex-wrap: wrap;
        }
        .star {
            font-size: 2rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
            transform: scale(1.2);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 30px;
        }
        input, textarea, select {
            padding: 15px;
            border-radius: var(--radius);
            border: 1px solid #475569;
            background-color: rgba(15, 23, 42, 0.7);
            color: white;
            font-size: 1rem;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        button[type="submit"] {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 18px;
            border-radius: var(--radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        button[type="submit"]:hover {
            background-color: #9b2c2c;
            transform: translateY(-3px);
        }
        footer {
            background-color: #0f172a;
            border-top: 2px solid var(--secondary);
            margin-top: 80px;
            padding: 50px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: 25px;
            font-size: 1.4rem;
        }
        .footer-links a {
            display: block;
            margin-bottom: 12px;
            color: #cbd5e1;
        }
        friend-link {
            display: block;
            background-color: rgba(55, 65, 81, 0.3);
            padding: 20px;
            border-radius: var(--radius);
            margin: 25px 0;
            border-left: 4px solid var(--accent);
        }
        friend-link a {
            color: var(--accent);
            font-weight: 700;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: var(--gray);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: rgba(15, 23, 42, 0.98);
                padding: 20px;
                border-top: 1px solid var(--secondary);
                box-shadow: 0 10px 15px rgba(0,0,0,0.5);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 12px 0;
            }
            article, .interactive {
                padding: 25px;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .hero {
                padding: 40px 0;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box input,
            .search-box button {
                width: 100%;
                border-radius: var(--radius);
                margin-bottom: 10px;
            }
        }