* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #e10600; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #9b0000; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: #15151e;
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #e10600, #ffffff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .my-logo:hover { opacity: 0.9; }
        .mobile-toggle {
            display: none;
            background: none;
            border: 2px solid #e10600;
            color: white;
            font-size: 1.5rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            cursor: pointer;
        }
        .primary-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .primary-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .primary-nav a:hover,
        .primary-nav a.active {
            color: #e10600;
            border-bottom-color: #e10600;
        }
        .breadcrumb {
            background: #2a2a35;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb span { color: #e10600; margin: 0 0.5rem; }
        .main-wrapper {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        main article { background: white; padding: 3rem; border-radius: 15px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); }
        aside { background: white; padding: 2rem; border-radius: 15px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); align-self: start; position: sticky; top: 120px; }
        h1 { font-size: 2.8rem; color: #15151e; margin-bottom: 1.5rem; line-height: 1.2; border-left: 5px solid #e10600; padding-left: 1rem; }
        h2 { font-size: 2rem; color: #e10600; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #eee; }
        h3 { font-size: 1.6rem; color: #333; margin: 2rem 0 1rem; }
        h4 { font-size: 1.3rem; color: #555; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        .lead { font-size: 1.3rem; font-weight: 500; color: #444; margin-bottom: 2rem; }
        strong { color: #15151e; font-weight: 700; }
        em { color: #666; }
        blockquote {
            border-left: 4px solid #e10600;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
        }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.7rem; }
        .highlight-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-left: 5px solid #e10600;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .hero-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .feature-box {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 2rem;
            margin: 2.5rem 0;
            border: 1px solid #dee2e6;
        }
        .feature-box h3 { margin-top: 0; }
        form { display: flex; flex-direction: column; gap: 1rem; }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            width: 100%;
        }
        button, .btn {
            background: linear-gradient(to right, #e10600, #b90500);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #b90500, #9b0000);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(225, 6, 0, 0.3);
        }
        .rating { display: flex; gap: 0.5rem; margin: 1rem 0; }
        .rating i { color: #ffc107; cursor: pointer; font-size: 1.5rem; }
        .emoji { font-size: 1.2rem; margin-right: 0.5rem; }
        .sidebar-widget { margin-bottom: 2.5rem; }
        .sidebar-widget h4 { color: #e10600; font-size: 1.2rem; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid #eee; }
        .related-links a {
            display: block;
            padding: 0.8rem 1rem;
            margin-bottom: 0.7rem;
            background: #f8f9fa;
            border-radius: 6px;
            border-left: 3px solid #15151e;
            transition: all 0.3s;
        }
        .related-links a:hover {
            background: #e9ecef;
            border-left-color: #e10600;
            transform: translateX(5px);
        }
        .update-info {
            background: #e9f7ef;
            color: #0d5c3e;
            padding: 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            margin-top: 2rem;
        }
        .site-footer {
            background: #15151e;
            color: #aaa;
            padding: 3rem 2rem 1.5rem;
            margin-top: auto;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-col h4 { color: white; margin-bottom: 1.5rem; font-size: 1.3rem; }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px dotted #444;
        }
        friend-link a { color: #aaa; }
        friend-link a:hover { color: #e10600; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #777;
        }
        @media (max-width: 1024px) {
            .main-wrapper { grid-template-columns: 1fr; gap: 2rem; }
            aside { position: static; }
        }
        @media (max-width: 768px) {
            .site-header { padding: 1rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .mobile-toggle { display: block; margin-top: 1rem; }
            .primary-nav { width: 100%; display: none; margin-top: 1rem; }
            .primary-nav.active { display: block; }
            .primary-nav ul { flex-direction: column; gap: 0.5rem; }
            .main-wrapper { padding: 0 1rem; }
            main article { padding: 2rem 1.5rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }