:root {
            --primary: #1a5fb4;
            --secondary: #2ec27e;
            --accent: #e5a50a;
            --dark: #1e1e1e;
            --light: #f8f8f8;
            --gray: #666;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fefefe;
            max-width: 100vw;
            overflow-x: hidden;
        }
        .header {
            background: var(--dark);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            text-decoration: none;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            background: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            background: #f0f0f0;
            padding: 1rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
                padding: 1.5rem;
            }
        }
        article {
            min-height: 2000px;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 1rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
        }
        h3 {
            font-size: 1.7rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--gray);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 500;
            border-left: 4px solid var(--accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        em {
            color: var(--secondary);
            font-style: italic;
        }
        .content-link {
            color: var(--primary);
            text-decoration: none;
            border-bottom: 1px dashed var(--primary);
            padding-bottom: 1px;
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary);
            border-bottom-style: solid;
        }
        .article-img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .sidebar {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 12px;
            height: fit-content;
            position: sticky;
            top: 120px;
            box-shadow: var(--shadow);
        }
        @media (max-width: 992px) {
            .sidebar {
                position: static;
            }
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary);
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
        }
        .submit-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background: var(--primary);
        }
        .update-info {
            background: #e8f4fd;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 4px solid var(--primary);
        }
        .footer {
            background: var(--dark);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2rem 0;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            padding: 0.5rem 0;
            border-bottom: 1px solid #333;
        }
        friend-link a {
            color: var(--accent) !important;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f9ff 0%, #e6f7ff 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid #cce7ff;
        }
        .tip {
            background: #fff8e1;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 4px solid var(--accent);
        }