* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #FF6B35;
            --secondary: #1A1A2E;
            --accent: #00B4D8;
            --light: #F8F9FA;
            --dark: #212529;
            --gray: #6C757D;
            --success: #28A745;
            --warning: #FFC107;
            --danger: #DC3545;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f5f7fa;
            max-width: 1400px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            padding: 0 20px;
        }
        .text-center {
            text-align: center;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: var(--secondary);
            position: relative;
            padding-bottom: 15px;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255,107,53,0.2) 0%, rgba(255,107,53,0) 100%);
            padding: 2px 8px;
            border-radius: 4px;
        }
        header {
            background: var(--secondary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--primary);
        }
        .my-logo:hover {
            color: var(--primary);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .nav-links a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .breadcrumb {
            background: var(--light);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #eaeaea;
        }
        .breadcrumb ol {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child):after {
            content: '›';
            margin-left: 10px;
            color: var(--gray);
        }
        main {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem auto;
            padding: 2rem;
            overflow: hidden;
        }
        article {
            max-width: 1000px;
            margin: 0 auto;
        }
        h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--secondary);
        }
        h2 {
            font-size: 2.2rem;
            margin: 3rem 0 1.5rem;
            color: var(--secondary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        h3 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: var(--dark);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        blockquote {
            border-left: 4px solid var(--primary);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            background: var(--light);
            font-style: italic;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .feature-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .sidebar {
            background: var(--light);
            padding: 2rem;
            border-radius: var(--border-radius);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--secondary);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--primary);
        }
        .related-links li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .related-links li:before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--primary);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 1rem;
        }
        .stat-card {
            background: white;
            padding: 15px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
        }
        .interactive-section {
            background: linear-gradient(135deg, var(--light) 0%, #eef2f7 100%);
            padding: 3rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            border: 1px solid #e1e8f0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255,107,53,0.2);
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            cursor: pointer;
            font-size: 2rem;
            color: #ddd;
            transition: var(--transition);
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: var(--warning);
        }
        .comments-section {
            margin-top: 4rem;
        }
        .comment {
            background: var(--light);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--gray);
        }
        footer {
            background: var(--secondary);
            color: white;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1rem 0;
            text-align: center;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--secondary);
                flex-direction: column;
                align-items: center;
                padding-top: 3rem;
                gap: 2rem;
                transition: var(--transition);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .interactive-section {
                padding: 2rem;
            }
            .header-container, .container {
                padding: 0 15px;
            }
            main {
                padding: 1.5rem;
                margin: 1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fade {
            animation: fadeIn 0.6s ease-out;
        }
        .last-updated {
            background: var(--light);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 8px;
        }
        .keyword-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 2rem 0;
        }
        .keyword {
            background: var(--light);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            color: var(--dark);
            border: 1px solid #ddd;
        }
        .keyword:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }