* {
            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-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #2c5aa0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .site-header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffd166;
            text-decoration: none;
            font-family: 'Arial Black', Gadget, sans-serif;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            color: #fff;
            text-shadow: 0 0 8px rgba(255, 209, 102, 0.7);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 3px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #ffd166;
            border-bottom-color: #ffd166;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: #1e3c72;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                z-index: 999;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
            }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .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: #6c757d;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 3rem;
        }
        article {
            padding: 0 2rem 2rem;
        }
        @media (max-width: 576px) {
            article {
                padding: 0 1rem 1rem;
            }
        }
        h1 {
            font-size: 3rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2a5298;
            margin: 2.5rem 0 1.5rem;
            padding-top: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #457b9d;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #6c757d;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: #1e3c72;
            font-weight: 700;
        }
        em {
            color: #e63946;
            font-style: italic;
        }
        .intro {
            font-size: 1.2rem;
            background: #f1faee;
            padding: 1.5rem;
            border-left: 5px solid #e63946;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .featured-image {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .featured-image img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            border: 5px solid white;
        }
        figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #2a5298;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: #1e3c72;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ccc;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input[type="text"],
        input[type="email"],
        textarea,
        select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: #2a5298;
            outline: none;
        }
        button,
        .btn {
            background: linear-gradient(to right, #2a5298, #1e3c72);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-block;
        }
        button:hover,
        .btn:hover {
            background: linear-gradient(to right, #e63946, #d90429);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(233, 57, 70, 0.3);
        }
        .rating-stars {
            direction: rtl;
            display: inline-block;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            padding: 0 2px;
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffd166;
        }
        .content-links {
            background: #f1faee;
            padding: 1rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .content-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
        }
        .content-links a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            background: white;
            border-radius: 30px;
            box-shadow: 0 3px 6px rgba(0,0,0,0.1);
        }
        .content-links a:hover {
            background: #2a5298;
            color: white;
        }
        .site-footer {
            background: #1a1a2e;
            color: #ddd;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-widget h4 {
            color: #ffd166;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #a8dadc;
        }
        friend-link a:hover {
            color: #ffd166;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #999;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .last-updated {
            font-style: italic;
            color: #6c757d;
            text-align: right;
            font-size: 0.9rem;
            margin-top: 2rem;
        }