* { 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: #2d3748;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #2b6cb0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #1a202c; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .py-2 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-4 { padding-top: 2rem; padding-bottom: 2rem; }
        .site-header {
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #68d391; }
        .my-logo:hover { color: #68d391; }
        .nav-desktop {
            display: flex;
            gap: 1.8rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #cbd5e0;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover {
            color: #68d391;
            border-bottom-color: #68d391;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2d3748;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #cbd5e0;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #4a5568;
        }
        .nav-mobile a:hover {
            background: #4a5568;
            color: #68d391;
        }
        .breadcrumb {
            background: #e2e8f0;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb a:hover { color: #2b6cb0; }
        .breadcrumb span { color: #718096; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article { background: white; padding: 2rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        h1 { font-size: 2.5rem; color: #1a202c; margin-bottom: 1.5rem; line-height: 1.2; }
        h2 { font-size: 2rem; color: #2d3748; margin: 2rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #e2e8f0; }
        h3 { font-size: 1.5rem; color: #4a5568; margin: 1.5rem 0 0.8rem; }
        h4 { font-size: 1.2rem; color: #718096; margin: 1.2rem 0 0.5rem; }
        p { margin-bottom: 1.2rem; text-align: justify; }
        ul, ol { margin-left: 1.5rem; margin-bottom: 1.2rem; }
        blockquote {
            border-left: 4px solid #68d391;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            font-style: italic;
            color: #4a5568;
            background: #f0fff4;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-title {
            font-size: 1.3rem;
            color: #2d3748;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .search-form { display: flex; }
        .search-input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #cbd5e0;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: #38a169;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #2f855a; }
        .rating-widget { text-align: center; }
        .stars { margin: 1rem 0; }
        .star { font-size: 1.8rem; color: #cbd5e0; cursor: pointer; margin: 0 2px; transition: color 0.3s; }
        .star:hover, .star.active { color: #f6e05e; }
        .rating-btn {
            background: #2b6cb0;
            color: white;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .rating-btn:hover { background: #2c5282; }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #cbd5e0;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .comment-submit {
            background: #d53f8c;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .comment-submit:hover { background: #b83280; }
        .update-info {
            background: #ebf8ff;
            padding: 1rem;
            border-radius: 8px;
            margin: 2rem 0;
            font-size: 0.9rem;
            color: #2c5282;
        }
        .site-footer {
            background: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links a {
            color: #cbd5e0;
            display: block;
            margin-bottom: 0.5rem;
        }
        .footer-links a:hover { color: #68d391; }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px solid #4a5568;
        }
        friend-link a {
            color: #90cdf4;
            font-weight: 600;
        }
        friend-link a:hover { color: #63b3ed; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }