* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f5f1e8;
            color: #333;
            line-height: 1.8;
            font-size: 1.1rem;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #d4af37;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #b8941f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a472a 0%, #2d5a3d 100%);
            color: #fff;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f0c75e;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            color: #ffd700;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        nav a:hover {
            background: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fff;
        }
        .breadcrumb {
            background: #e8dfca;
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 5px;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #5a3921;
        }
        main {
            padding: 2rem 0;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 3.2rem;
            color: #1a472a;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 4px solid #d4af37;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.4rem;
            color: #2d5a3d;
            margin: 2.5rem 0 1.5rem;
            padding-left: 0.5rem;
            border-left: 6px solid #d4af37;
        }
        h3 {
            font-size: 1.9rem;
            color: #5a3921;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.5rem;
            color: #7a5c3c;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            padding: 0 0.5rem;
        }
        .highlight {
            background: #fff9e6;
            padding: 1.5rem;
            border-left: 5px solid #d4af37;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            text-align: center;
            margin: 2.5rem 0;
        }
        .img-container img {
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            border: 3px solid #d4af37;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #666;
            margin: 2rem 0;
            padding-right: 1rem;
        }
        .functional-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
            padding: 2rem;
            background: #f8f5ef;
            border-radius: 12px;
        }
        .function-box {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 6px 12px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .function-box:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.1);
        }
        .function-box h3 {
            color: #1a472a;
            margin-top: 0;
        }
        .function-box form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .function-box input, .function-box textarea, .function-box select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
        }
        .function-box button {
            background: #d4af37;
            color: #1a472a;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s;
        }
        .function-box button:hover {
            background: #b8941f;
        }
        footer {
            background: #1a472a;
            color: #fff;
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #f0c75e;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
            color: #ccc;
            font-size: 1rem;
        }
        friend-link a {
            color: #f0c75e;
        }
        friend-link a:hover {
            color: #ffd700;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d5a3d;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            h3 { font-size: 1.7rem; }
            .header-content { flex-direction: column; gap: 1.5rem; }
            nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2d5a3d;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            }
            nav ul.active {
                display: flex;
            }
            nav ul li { width: 100%; text-align: center; }
            nav a { display: block; padding: 1rem; }
            .functional-section { grid-template-columns: 1fr; }
            article { padding: 0 1rem; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
        }
        @media (max-width: 480px) {
            body { font-size: 1rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .my-logo { font-size: 1.8rem; }
            .function-box { padding: 1.5rem; }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .bold-text {
            font-weight: 800;
            color: #1a472a;
        }
        .line-break {
            height: 2px;
            background: linear-gradient(to right, transparent, #d4af37, transparent);
            margin: 2rem 0;
        }