* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-weight: 800; color: #1a365d; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid #e53e3e; padding-left: 1rem; margin-top: 3rem; }
        h3 { font-size: 1.8rem; color: #2d3748; margin-top: 2.5rem; }
        p { margin-bottom: 1.5rem; font-size: 1.125rem; text-align: justify; }
        .lead { font-size: 1.4rem; color: #4a5568; font-weight: 500; }
        .highlight { background: linear-gradient(120deg, #fed7e2 0%, #feebc8 100%); padding: 0.2rem 0.5rem; border-radius: 4px; }
        b, strong { color: #2d3748; }
        em { font-style: italic; color: #718096; }
        a { color: #3182ce; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #2b6cb0; text-decoration: underline; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 3rem; margin: 2rem 0; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i { color: #e53e3e; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            color: #cbd5e0;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
        }
        .nav-desktop a:hover, .nav-desktop a.active {
            background: #4a5568;
            color: white;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2d3748;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 10px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #cbd5e0;
            padding: 1rem;
            border-bottom: 1px solid #4a5568;
        }
        .nav-mobile a:hover { background: #4a5568; }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #edf2f7;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb i { margin: 0 0.5rem; color: #a0aec0; }
        .sidebar {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .widget { margin-bottom: 2.5rem; }
        .widget-title {
            font-size: 1.4rem;
            border-bottom: 2px solid #e53e3e;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .search-form { display: flex; }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #cbd5e0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            background: #3182ce;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-btn:hover { background: #2b6cb0; }
        .rating-form, .comment-form { display: flex; flex-direction: column; gap: 1rem; }
        .rating-stars { display: flex; gap: 5px; font-size: 1.8rem; color: #e2e8f0; cursor: pointer; }
        .rating-stars .active { color: #f6ad55; }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 12px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: #38a169;
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #2f855a; }
        .article-content {
            background: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
        }
        .article-meta {
            display: flex;
            gap: 2rem;
            color: #718096;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .featured-image {
            margin: 2.5rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .insight-box {
            background: #f7fafc;
            border-left: 5px solid #3182ce;
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background: #fffaf0;
            border: 1px solid #fbd38d;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .web-links-section {
            background: #1a202c;
            color: white;
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .web-link {
            background: #2d3748;
            padding: 1.2rem;
            border-radius: 8px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background: #4a5568;
            transform: translateY(-5px);
        }
        .web-link a {
            color: #90cdf4;
            display: block;
            font-weight: 600;
        }
        .site-footer {
            background: #0f1419;
            color: #a0aec0;
            padding: 3rem 0 1.5rem;
            text-align: center;
        }
        .footer-links { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-bottom: 2rem; }
        .footer-links a { color: #cbd5e0; }
        .copyright { font-size: 0.9rem; border-top: 1px solid #2d3748; padding-top: 1.5rem; margin-top: 2rem; }
        .text-center { text-align: center; }
        .mb-4 { margin-bottom: 2rem; }
        .mt-4 { margin-top: 2rem; }
        .emoji { font-size: 1.3rem; margin-right: 0.5rem; }