:root {
            --primary: #4A90E2;
            --secondary: #50C878;
            --accent: #FF6B6B;
            --dark: #2C3E50;
            --light: #F8F9FA;
            --gray: #6C757D;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #fefefe;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark), #1a2530);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--secondary), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .my-logo a {
            color: inherit;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background: rgba(255,255,255,0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #f1f8ff;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .search-form {
            display: flex;
            border: 2px solid var(--primary);
            border-radius: 50px;
            overflow: hidden;
            background: white;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #3a80d2;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-body {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-meta {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }
        h1 {
            color: var(--dark);
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            border-left: 6px solid var(--accent);
            padding-left: 1rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
        }
        h2 {
            color: var(--dark);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--secondary);
        }
        h3 {
            color: var(--dark);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--gray);
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--dark);
            font-weight: 500;
            background: #f8fffc;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--secondary);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(74,144,226,0.15) 0%, rgba(80,200,120,0.15) 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid rgba(74,144,226,0.3);
        }
        .img-wrapper {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-wrapper img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            border: 1px solid #ddd;
        }
        .img-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .link-list {
            background: #f9f9ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .link-list li a {
            display: block;
            padding: 0.8rem 1rem;
            background: white;
            border-radius: 6px;
            border: 1px solid #e1e8ff;
        }
        .link-list li a:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        @media (max-width: 992px) {
            .sidebar { position: static; }
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-title {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #FFD700;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-form select, .rating-form textarea, .rating-form input {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        .rating-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background: var(--secondary);
        }
        .comments-section {
            margin-top: 3rem;
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .comment-form {
            display: grid;
            gap: 1rem;
            margin-bottom: 3rem;
            padding: 1.5rem;
            background: #f8f9ff;
            border-radius: 10px;
        }
        .comment-form input, .comment-form textarea {
            padding: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            justify-self: start;
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .comment {
            padding: 1.5rem;
            border-radius: 10px;
            background: #f9f9f9;
            border-left: 4px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-widget h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #999;
        }
        .bold {
            font-weight: 800;
            color: var(--dark);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .last-updated {
            background: #fff8e1;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.9rem;
            color: #e65100;
            display: inline-block;
            margin-bottom: 1.5rem;
        }