:root {
            --primary-blue: #1e3a8a;
            --accent-gold: #d4af37;
            --light-bg: #f8fafc;
            --dark-text: #1e293b;
            --gray-border: #cbd5e1;
            --success-green: #10b981;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--dark-text);
            line-height: 1.7;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-gold);
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #0f2a6b 100%);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: white;
        }
        .my-logo i {
            color: var(--accent-gold);
        }
        .my-logo:hover {
            color: white;
            opacity: 0.9;
        }
        .breadcrumb {
            font-size: 0.9rem;
            color: #cbd5e1;
            margin-top: 0.5rem;
            width: 100%;
        }
        .breadcrumb a {
            color: #e2e8f0;
        }
        .breadcrumb a:hover {
            color: white;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            gap: 1rem;
            width: 100%;
            background: #0f2a6b;
            padding: 1.5rem;
            border-radius: 0.5rem;
            margin-top: 1rem;
            list-style: none;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            font-weight: 600;
            padding: 0.75rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .container {
            max-width: 1280px;
            margin: 2.5rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            border-radius: 1rem;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        aside {
            background: white;
            border-radius: 1rem;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--accent-gold);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-top: 0.5rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #334155;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #475569;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #0f2a6b;
            background: #e0f2fe;
            padding: 1.2rem;
            border-radius: 0.75rem;
            border-left: 5px solid var(--primary-blue);
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(212, 175, 55, 0.2) 0%, rgba(212, 175, 55, 0) 100%);
            padding: 1.5rem;
            border-radius: 0.75rem;
            margin: 1.5rem 0;
            border: 1px solid rgba(212, 175, 55, 0.3);
        }
        .feature-box {
            background: var(--light-bg);
            border-radius: 1rem;
            padding: 2rem;
            margin: 2.5rem 0;
            border: 1px solid var(--gray-border);
        }
        .feature-title {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
        }
        .feature-title i {
            color: var(--accent-gold);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        input, textarea, select {
            padding: 0.9rem 1.2rem;
            border: 1px solid var(--gray-border);
            border-radius: 0.5rem;
            font-size: 1rem;
            transition: border 0.3s ease, box-shadow 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-blue), #0f2a6b);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 0.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #0f2a6b, var(--primary-blue));
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(30, 58, 138, 0.3);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #cbd5e1;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
        }
        .article-image {
            width: 100%;
            border-radius: 1rem;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #64748b;
            margin-top: -1.5rem;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .link-list {
            background: #f1f5f9;
            padding: 1.5rem;
            border-radius: 0.75rem;
            margin: 2rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .link-list li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed #cbd5e1;
        }
        footer {
            background: var(--primary-blue);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-gold);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e1;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.1);
            padding: 1.2rem;
            border-radius: 0.5rem;
            margin: 1rem 0;
            border-left: 4px solid var(--accent-gold);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .last-updated {
            background: #dcfce7;
            color: #065f46;
            padding: 0.75rem 1.5rem;
            border-radius: 0.5rem;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 2rem;
            font-weight: 500;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .bold {
            font-weight: 700;
            color: var(--primary-blue);
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article, .site-header, .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
            .link-list ul {
                grid-template-columns: 1fr;
            }
        }