* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f9f3e9 0%, #fff8e1 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #d35400; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #a52714; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .header {
            background: linear-gradient(90deg, #8b4513 0%, #d2691e 100%);
            color: white;
            padding: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: #ffd700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover { color: #fff; text-decoration: none; }
        .nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            color: white;
            font-weight: 500;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .nav-list a:hover { background: rgba(255,255,255,0.2); text-decoration: none; }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav-list {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #8b4513;
                padding: 1rem;
                display: none;
                box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            }
            .nav-list.active { display: flex; }
            .hamburger { display: block; }
        }
        .breadcrumb {
            background: #f5e6d3;
            padding: 0.75rem 1rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #d4a574;
        }
        .breadcrumb a { color: #8b4513; }
        .main {
            flex: 1;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
            width: 100%;
        }
        .article { background: white; padding: 2rem; border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
        h1 { color: #8b4513; font-size: 2.5rem; margin-bottom: 1rem; border-bottom: 3px solid #ffd700; padding-bottom: 0.5rem; }
        h2 { color: #d2691e; font-size: 2rem; margin: 2rem 0 1rem; }
        h3 { color: #a0522d; font-size: 1.5rem; margin: 1.5rem 0 0.75rem; }
        h4 { color: #8b7355; font-size: 1.2rem; margin: 1rem 0 0.5rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        .highlight { background: #fffacd; padding: 0.2rem 0.5rem; border-left: 4px solid #ffd700; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .image-container { text-align: center; margin: 2rem 0; }
        .image-container img { border-radius: 8px; border: 3px solid #d2691e; }
        .last-updated { font-style: italic; color: #777; text-align: right; margin-top: 2rem; }
        .form-section { background: #f9f3e9; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; }
        .form-title { color: #8b4513; margin-bottom: 1rem; }
        .form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
        .form-group { display: flex; flex-direction: column; }
        label { font-weight: bold; margin-bottom: 0.3rem; color: #555; }
        input, textarea, select {
            padding: 0.75rem;
            border: 1px solid #d4a574;
            border-radius: 4px;
            font-family: inherit;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus { outline: none; border-color: #d2691e; box-shadow: 0 0 5px rgba(210,105,30,0.5); }
        button {
            background: linear-gradient(to right, #d2691e, #8b4513);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,0.2); }
        .footer {
            background: #2c1810;
            color: #f5e6d3;
            padding: 2rem 1rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links h3 { color: #ffd700; }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            color: #f5e6d3;
            padding: 0.3rem;
            border-radius: 3px;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(255,215,0,0.2); text-decoration: none; }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #5a3921;
            font-size: 0.9rem;
            color: #b8a18a;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .article { padding: 1.5rem; }
        }