* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #4361ee;
            --secondary: #3a0ca3;
            --accent: #f72585;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul, ol { list-style-position: inside; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .section-padding { padding: 60px 0; }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 2rem; }
        .mb-4 { margin-bottom: 3rem; }
        .mt-4 { margin-top: 3rem; }
        .site-header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
        }
        .my-logo i { color: var(--accent); margin-right: 10px; }
        .my-logo:hover { color: var(--secondary); }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) { .nav-desktop { display: none; } }
        .nav-desktop a {
            font-weight: 600;
            position: relative;
            padding: 5px 0;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 992px) { .hamburger { display: block; } }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: white;
            box-shadow: var(--shadow);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: transform 0.4s, opacity 0.4s;
            z-index: 999;
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .nav-mobile a {
            display: block;
            padding: 15px;
            border-bottom: 1px solid #eee;
            font-weight: 600;
        }
        .nav-mobile a:hover { background: #f5f5f5; color: var(--primary); }
        .breadcrumb {
            background: #f8f9fa;
            padding: 15px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: var(--gray); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb span { color: var(--dark); margin: 0 8px; }
        .hero {
            background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
            color: white;
            padding: 80px 20px;
            border-radius: 0 0 30px 30px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) { .hero h1 { font-size: 2.5rem; } }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            background: white;
            padding: 30px;
            border-radius: 20px;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus { border-color: var(--primary); }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-form button:hover { background: var(--secondary); }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 50px;
            padding: 20px 0;
        }
        @media (max-width: 992px) { .main-content { grid-template-columns: 1fr; } }
        article { padding-right: 20px; }
        article h2 {
            font-size: 2.2rem;
            color: var(--secondary);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
        }
        article h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.5rem 0 1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article strong { color: var(--secondary); }
        article em { color: var(--accent); font-style: italic; }
        .highlight-box {
            background: linear-gradient(90deg, #e3f2fd, #f3e5f5);
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 15px 15px 0;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-img img {
            width: 100%;
            transition: transform 0.5s;
        }
        .article-img img:hover { transform: scale(1.03); }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            padding: 10px;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px dotted;
        }
        .content-link:hover { color: var(--accent); }
        .sidebar-widget {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ddd;
        }
        .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 15px;
            margin-top: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
        }
        .form-group textarea { min-height: 150px; resize: vertical; }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            margin: 10px 0;
        }
        .stars i { cursor: pointer; transition: var(--transition); }
        .stars i:hover { color: #ffc107; }
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 20px;
            color: white;
        }
        .footer-links a {
            display: block;
            padding: 8px 0;
            color: #ccc;
        }
        .footer-links a:hover { color: white; padding-left: 5px; }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #4cc9f0;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background: #fff3cd;
            color: #856404;
            padding: 10px 20px;
            border-radius: 8px;
            display: inline-block;
            margin: 20px 0;
            font-weight: 600;
        }
        .emoji { font-size: 1.2em; }
        .divider {
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            margin: 40px 0;
            border: none;
        }