* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: 'Arial Black', 'Arial Bold', sans-serif; color: #1a365d; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-left: 6px solid #ff6b35; padding-left: 1rem; margin-top: 2rem; }
        h2 { font-size: 2.2rem; border-bottom: 3px solid #4ecdc4; padding-bottom: 0.5rem; margin-top: 3rem; }
        h3 { font-size: 1.8rem; color: #2d3748; margin-top: 2rem; }
        p { margin-bottom: 1.5rem; font-size: 1.125rem; }
        a { color: #3182ce; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #ff6b35; }
        strong { color: #2d3748; font-weight: 800; }
        .lead { font-size: 1.4rem; color: #4a5568; font-weight: 300; }
        .highlight { background: linear-gradient(120deg, #a0e7ff 0%, #a0e7ff 100%); background-repeat: no-repeat; background-size: 100% 0.4em; background-position: 0 88%; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        @media (min-width: 992px) {
            .main-grid {
                grid-template-columns: 3fr 1fr;
            }
        }
        .site-header {
            background: linear-gradient(to right, #1a365d, #2d3748);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: white;
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .logo a:hover { color: #ff6b35; }
        .nav-desktop { display: none; }
        @media (min-width: 768px) {
            .nav-desktop { display: flex; }
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: #e2e8f0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ff6b35;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger {
            display: block;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (min-width: 768px) { .hamburger { display: none; } }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #1a365d;
            padding: 4rem 2rem;
            transition: right 0.4s ease-in-out;
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active { right: 0; }
        .nav-mobile ul { list-style: none; }
        .nav-mobile li { margin-bottom: 1.5rem; }
        .nav-mobile a {
            color: #e2e8f0;
            font-size: 1.3rem;
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px solid #2d3748;
        }
        .close-menu {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #a0aec0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: #718096;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #718096;
            padding: 0.5rem;
            background: #f7fafc;
        }
        .tip-box {
            background: linear-gradient(145deg, #e6fffa, #b2f5ea);
            border-left: 5px solid #38b2ac;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .tip-box h4 { color: #285e61; margin-top: 0; }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: #f7fafc;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            border: 2px solid #cbd5e0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            color: #3182ce;
            display: block;
            line-height: 1;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            border-bottom: 2px solid #ff6b35;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .search-form { display: flex; margin-bottom: 1.5rem; }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-btn {
            background: #3182ce;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-btn:hover { background: #2c5282; }
        .rating-widget { text-align: center; }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ffd700;
            cursor: pointer;
        }
        .star:hover { transform: scale(1.2); }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .form-group { margin-bottom: 1.5rem; }
        .form-input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
        }
        .submit-btn {
            background: linear-gradient(to right, #ff6b35, #ff8e53);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: block;
            width: 100%;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 107, 53, 0.4);
        }
        .site-footer {
            background: #1a365d;
            color: #e2e8f0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-links h4 {
            color: #ffd700;
            border-bottom: 2px solid #ff6b35;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a { color: #cbd5e0; }
        .footer-links a:hover { color: #ff6b35; }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            padding: 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            border-left: 4px solid #4ecdc4;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .emoji { font-size: 1.3rem; vertical-align: middle; }