* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0a0a;
            color: #f0f0f0;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #e10600;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6b6b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a1a 0%, #000 100%);
            padding: 1rem 0;
            border-bottom: 3px solid #e10600;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #e10600;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo span {
            color: #fff;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(225, 6, 0, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #111;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .breadcrumb a:hover {
            color: #e10600;
        }
        main {
            padding: 2rem 0;
            background-color: #111;
            min-height: 100vh;
        }
        article {
            background-color: #1a1a1a;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 3rem;
            color: #e10600;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 2px solid #333;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #fff;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #e10600;
        }
        h3 {
            font-size: 1.8rem;
            color: #ffcc00;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #66ccff;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: rgba(225, 6, 0, 0.1);
            border-left: 4px solid #e10600;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            box-shadow: 0 5px 15px rgba(225, 6, 0, 0.3);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .function-section {
            background-color: #222;
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            border: 1px solid #444;
        }
        .function-title {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: #ffcc00;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border-radius: 6px;
            border: 1px solid #555;
            background-color: #333;
            color: #fff;
            font-size: 1rem;
            width: 100%;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #e10600;
            box-shadow: 0 0 8px rgba(225, 6, 0, 0.5);
        }
        button {
            background-color: #e10600;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.2s;
        }
        button:hover {
            background-color: #ff3333;
            transform: translateY(-3px);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        footer {
            background-color: #000;
            padding: 3rem 0 1.5rem;
            border-top: 3px solid #333;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #e10600;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .friend-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .friend-links a {
            color: #ccc;
            padding: 0.5rem;
            border-radius: 4px;
            background-color: #1a1a1a;
            display: block;
        }
        .friend-links a:hover {
            background-color: #333;
            color: #fff;
        }
        .copyright {
            text-align: center;
            color: #777;
            font-size: 0.9rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a1a1a;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 2px solid #e10600;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            nav {
                width: 100%;
                justify-content: space-between;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .function-section { padding: 1.5rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            h1 { font-size: 1.8rem; }
            .my-logo { font-size: 1.8rem; }
        }
        .last-updated {
            text-align: right;
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            font-style: italic;
        }
        .keyword {
            font-weight: bold;
            color: #ffcc00;
        }
        .link-in-text {
            font-weight: 600;
            color: #66ccff;
        }