* { 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-color: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; margin-top: 2.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid #eee; }
        h3 { font-size: 1.8rem; margin-top: 2rem; color: #34495e; }
        h4 { font-size: 1.4rem; margin-top: 1.5rem; color: #5d6d7e; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        a { color: #3498db; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #1d6fa5; }
        strong { color: #2c3e50; }
        em { font-style: italic; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover { color: #ecf0f1; }
        .my-logo i { font-size: 2.5rem; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #f1c40f;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                right: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background: #1a2980;
                transition: right 0.4s ease;
                padding: 2rem;
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .main-nav.active { right: 0; }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 1rem 0;
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #7f8c8d;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #3498db; }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-meta {
            color: #7f8c8d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 5px; }
        .featured-img {
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background-color: #f9f9f9;
            font-size: 0.95rem;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.5rem;
            margin-top: 0;
            color: #2c3e50;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget:last-child { margin-bottom: 0; }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus { border-color: #3498db; }
        .search-form button {
            background: #3498db;
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #2980b9; }
        .rating-widget { text-align: center; }
        .stars { font-size: 2rem; color: #f1c40f; margin: 1rem 0; }
        .stars i { cursor: pointer; margin: 0 2px; transition: transform 0.2s; }
        .stars i:hover { transform: scale(1.2); }
        .rating-form button {
            background: #2ecc71;
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            margin-top: 1rem;
            transition: background 0.3s;
        }
        .rating-form button:hover { background: #27ae60; }
        .comment-section { margin-top: 4rem; }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            min-height: 150px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .comment-form textarea:focus { border-color: #3498db; outline: none; }
        .comment-form button {
            background: #9b59b6;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .comment-form button:hover { background: #8e44ad; }
        .link-list {
            list-style: none;
            padding-left: 0;
        }
        .link-list li { margin-bottom: 0.8rem; }
        .link-list a {
            display: block;
            padding: 0.8rem 1rem;
            background: #f8f9fa;
            border-left: 4px solid #3498db;
            border-radius: 5px;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background: #e3f2fd;
            padding-left: 1.5rem;
            border-left-color: #1d6fa5;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-widget h4 {
            color: #f1c40f;
            border-bottom: 2px solid #34495e;
            padding-bottom: 0.7rem;
            margin-bottom: 1.5rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1rem 0;
        }
        friend-link {
            display: inline-block;
            background: #34495e;
            color: #bdc3c7;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        friend-link a { color: #bdc3c7; }
        friend-link:hover {
            background: #3498db;
            transform: translateY(-3px);
        }
        friend-link:hover a { color: white; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .highlight {
            background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
            padding: 2rem;
            border-radius: 10px;
            border-left: 5px solid #3498db;
            margin: 2rem 0;
        }
        .code-block {
            font-family: 'Courier New', monospace;
            background: #2d3436;
            color: #dfe6e9;
            padding: 1.5rem;
            border-radius: 8px;
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        .btn {
            display: inline-block;
            padding: 0.9rem 2rem;
            background: #3498db;
            color: white;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn:hover {
            background: #2980b9;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(50, 150, 250, 0.3);
        }