* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-blue: #1a365d;
            --secondary-gold: #d4af37;
            --accent-red: #c53030;
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
            --gray-border: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: var(--light-bg);
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-red);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .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(--primary-blue);
            display: flex;
            align-items: center;
        }
        .my-logo i {
            color: var(--secondary-gold);
            margin-right: 10px;
        }
        .my-logo:hover {
            color: var(--accent-red);
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 5px 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--secondary-gold);
            bottom: 0;
            left: 0;
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--primary-blue);
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: white;
            box-shadow: var(--shadow);
            flex-direction: column;
            padding: 20px;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile ul {
            list-style: none;
        }
        .nav-mobile li {
            margin-bottom: 15px;
        }
        .nav-mobile a {
            display: block;
            padding: 10px;
            border-bottom: 1px solid var(--gray-border);
            font-weight: 600;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 10px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb span {
            color: #718096;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: 8px;
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary-gold);
        }
        h3 {
            font-size: 1.5rem;
            color: #2d3748;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.2rem;
            color: #4a5568;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #4a5568;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 4px solid var(--secondary-gold);
            padding: 20px;
            margin: 30px 0;
            font-style: italic;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 700;
            color: var(--primary-blue);
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .image-caption {
            font-size: 0.9rem;
            color: #718096;
            margin-top: 10px;
            font-style: italic;
        }
        .functional-section {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 30px;
            margin: 40px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--gray-border);
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        button:hover {
            background-color: var(--accent-red);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.5rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active,
        .star:hover {
            color: var(--secondary-gold);
        }
        .links-section {
            background: #e6fffa;
            border-radius: 8px;
            padding: 25px;
            margin: 40px 0;
        }
        .links-section h3 {
            color: #234e52;
            border-bottom: none;
        }
        .links-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        .links-list a {
            display: block;
            padding: 10px 15px;
            background: white;
            border-radius: 4px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        .links-list a:hover {
            background: var(--primary-blue);
            color: white;
        }
        footer {
            background-color: var(--primary-blue);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 0;
            border-bottom: 1px dashed #4a5568;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2d3748;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: 25px;
            }
            .header-container, .container {
                padding: 0 15px;
            }
            .links-list {
                grid-template-columns: 1fr;
            }
        }