:root {
            --primary: #0033A0; 
            --secondary: #FFD100; 
            --accent: #E41F27; 
            --light: #F8F9FA;
            --dark: #1A1A2E;
            --gray: #6C757D;
            --shadow: 0 4px 12px rgba(0, 51, 160, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --border-radius: 12px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--light);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        ul, ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), #0047CC);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, var(--accent), #FF6B6B);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .section-padding {
            padding: 4rem 0;
        }
        .text-center { text-align: center; }
        .text-primary { color: var(--primary); }
        .text-accent { color: var(--accent); }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .highlight {
            background-color: rgba(255, 209, 0, 0.2);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji { font-size: 1.2em; }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem;
        }
        .my-logo {
            font-family: 'Waltograph', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i { color: var(--secondary); }
        .my-logo:hover { color: var(--accent); }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1rem;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--secondary);
            left: 0;
            bottom: -5px;
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary);
        }
        .breadcrumb {
            background-color: rgba(0, 51, 160, 0.05);
            padding: 0.8rem 1rem;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        .breadcrumb a { color: var(--gray); }
        .breadcrumb a:hover { color: var(--primary); }
        .hero {
            background: linear-gradient(rgba(0, 51, 160, 0.85), rgba(228, 31, 39, 0.8)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 5rem 1rem;
            text-align: center;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 4rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 { font-size: 2.8rem; margin-bottom: 1.5rem; }
        h2 { font-size: 2.2rem; margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 3px solid var(--secondary); }
        h3 { font-size: 1.7rem; margin: 2rem 0 1rem; color: var(--primary); }
        h4 { font-size: 1.4rem; margin: 1.5rem 0 0.8rem; color: var(--dark); }
        p { margin-bottom: 1.2rem; }
        .intro {
            font-size: 1.2rem;
            background: rgba(0, 51, 160, 0.05);
            padding: 1.5rem;
            border-left: 5px solid var(--primary);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2.5rem;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            margin: 2rem auto;
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
        }
        .quote {
            font-style: italic;
            font-size: 1.3rem;
            color: var(--primary);
            text-align: center;
            padding: 2rem;
            background: linear-gradient(135deg, rgba(255,209,0,0.1), rgba(0,51,160,0.1));
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            text-align: center;
            border-top: 5px solid var(--secondary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1;
        }
        .link-list {
            background: rgba(0, 51, 160, 0.03);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .link-list h4 { margin-top: 0; }
        .link-list ul { list-style: none; padding-left: 0; }
        .link-list li { margin-bottom: 0.8rem; }
        .link-list li::before { content: '➤'; color: var(--accent); margin-right: 0.5rem; }
        .update-time {
            font-size: 0.9rem;
            color: var(--gray);
            text-align: right;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #ddd;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-card {
            background: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover { background: var(--accent); }
        .rating-widget, .comment-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #FFD100;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars span:hover { transform: scale(1.2); }
        .comment-widget textarea {
            width: 100%;
            height: 120px;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            resize: vertical;
            font-family: inherit;
        }
        .popular-links ul {
            list-style: none;
            padding-left: 0;
        }
        .popular-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted #eee;
        }
        .popular-links li:last-child { border-bottom: none; }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: bold;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--secondary);
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li { margin-bottom: 0.6rem; }
        .footer-links a { color: #ccc; }
        .footer-links a:hover { color: white; }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            border-left: 4px solid var(--secondary);
        }
        friend-link a { color: var(--secondary); font-weight: 600; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2.6rem; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 2rem;
                box-shadow: var(--shadow);
                transition: var(--transition);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li { margin-bottom: 1.5rem; }
            .hamburger { display: block; }
            .hero { padding: 3rem 1rem; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1.1rem; }
            article { padding: 1.5rem; }
            .section-padding { padding: 3rem 0; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.9rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .stat-box { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; }
        }