* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f5ed;
            padding: 0;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: #d35400;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #a52700;
        }
        ul, ol {
            padding-left: 20px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #8b4513;
            color: #fff;
            padding: 15px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.5rem;
            font-weight: bold;
            color: #ffd700;
            font-family: 'Georgia', serif;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .logo a:hover {
            color: #ffed4e;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 25px;
        }
        .nav-links a {
            color: #fff;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: #a0522d;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffd700;
        }
        .breadcrumb {
            background-color: #e6d3b8;
            padding: 10px 20px;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: #8b4513;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 20px 0;
        }
        article {
            background-color: #fff;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.8rem;
            color: #8b4513;
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            color: #a0522d;
            margin-top: 30px;
            margin-bottom: 15px;
            padding-left: 10px;
            border-left: 5px solid #d35400;
        }
        h3 {
            font-size: 1.6rem;
            color: #cd853f;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        h4 {
            font-size: 1.3rem;
            color: #d2691e;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 15px;
            border-left: 4px solid #ffd700;
            margin: 20px 0;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-image {
            margin: 30px auto;
            max-width: 800px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .feature-image img {
            width: 100%;
            height: auto;
        }
        .form-section {
            background-color: #f5f5dc;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #8b4513;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 2px solid #d3b8a0;
            border-radius: 5px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #d35400;
            outline: none;
        }
        button {
            background-color: #d35400;
            color: white;
            border: none;
            padding: 12px 25px;
            font-size: 1.1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #a52700;
        }
        footer {
            background-color: #8b4513;
            color: #fff;
            padding: 30px 0;
            margin-top: 40px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .footer-section h3 {
            color: #ffd700;
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 8px;
        }
        friend-link a {
            color: #e6d3b8;
        }
        friend-link a:hover {
            color: #ffd700;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #a0522d;
            font-size: 0.9rem;
            color: #d3b8a0;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #a0522d;
                position: absolute;
                top: 70px;
                left: 0;
                padding: 20px;
                z-index: 1000;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            p {
                font-size: 1rem;
            }
            .form-section {
                padding: 15px;
            }
        }