* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #f8f9fa 100%);
            padding: 0;
            margin: 0;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #c36c2a;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #8b4513;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }
        .site-header {
            background: #1a1a2e;
            color: #f8f9fa;
            padding: 1.5rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.8rem;
            font-weight: bold;
            color: #d4af37;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
        }
        .my-logo:hover {
            color: #ffd700;
            transform: scale(1.05);
        }
        .breadcrumb {
            background: #2d3047;
            padding: 0.8rem 2rem;
            font-size: 0.95rem;
            color: #ccc;
            border-bottom: 1px solid #444;
        }
        .breadcrumb a {
            color: #d4af37;
        }
        .breadcrumb a:hover {
            color: #ffd700;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: #f8f9fa;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: #d4af37;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .main-nav a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #f8f9fa;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }
        .content-wrapper {
            padding: 3rem;
        }
        h1 {
            font-size: 3.5rem;
            color: #1a1a2e;
            margin-bottom: 1.5rem;
            border-bottom: 4px solid #d4af37;
            padding-bottom: 0.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.5rem;
            color: #2d3047;
            margin: 3rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 6px solid #c36c2a;
        }
        h3 {
            font-size: 2rem;
            color: #444;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.6rem;
            color: #666;
            margin: 2rem 0 1rem;
            font-style: italic;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.2rem;
            color: #555;
            text-align: justify;
        }
        .highlight {
            background: #fff9e6;
            padding: 1.5rem;
            border-left: 5px solid #d4af37;
            margin: 2rem 0;
            border-radius: 0 12px 12px 0;
        }
        .term {
            font-weight: bold;
            color: #8b4513;
        }
        .functional-section {
            background: #f8f9fa;
            border: 2px dashed #c36c2a;
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
            text-align: center;
        }
        .functional-section h2 {
            color: #8b4513;
            border: none;
            padding-left: 0;
        }
        form {
            display: grid;
            gap: 1.5rem;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ccc;
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #d4af37;
            outline: none;
        }
        button {
            background: linear-gradient(to right, #c36c2a, #8b4513);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 10px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(to right, #8b4513, #5a2d0c);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(139, 69, 19, 0.3);
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ffc107;
            margin: 1rem 0;
        }
        .rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating i:hover {
            transform: scale(1.3);
        }
        .featured-img {
            margin: 3rem auto;
            max-width: 900px;
            text-align: center;
        }
        .featured-img figcaption {
            margin-top: 1rem;
            font-style: italic;
            color: #777;
            font-size: 1rem;
        }
        .content-links {
            display: inline;
            color: #2d3047;
            font-weight: 600;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            background: #f0f0f0;
        }
        .content-links:hover {
            background: #e0e0e0;
        }
        footer {
            background: #1a1a2e;
            color: #f8f9fa;
            padding: 3rem 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            color: #d4af37;
            border-bottom: 2px solid #444;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
            color: #ccc;
        }
        friend-link a {
            color: #d4af37;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            .content-wrapper { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2d3047;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 1px solid #444;
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .container {
                padding: 0 1rem;
                margin: 1rem auto;
            }
            .content-wrapper { padding: 1.5rem; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
        }
        @media (max-width: 480px) {
            .site-header { padding: 1rem; }
            .my-logo { font-size: 2rem; }
            .functional-section { padding: 1.5rem; }
            .footer-container { grid-template-columns: 1fr; }
        }