* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #0073e6;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffd700;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .emoji { font-size: 1.2em; }
        .site-header {
            background: linear-gradient(135deg, #002244 0%, #0056b3 100%);
            color: white;
            padding: 15px 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: 2rem;
            font-weight: 900;
            color: #ffd700;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: white;
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .nav-menu {
            display: flex;
            gap: 25px;
            list-style: none;
        }
        .nav-menu a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a:hover {
            background-color: rgba(255, 215, 0, 0.2);
            color: #ffd700;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #0073e6;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-area {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: #002244;
            margin-bottom: 25px;
            line-height: 1.2;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #0056b3;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-left: 10px;
            border-left: 5px solid #ffd700;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-meta i {
            color: #ffd700;
        }
        .intro {
            font-size: 1.2rem;
            color: #0056b3;
            font-weight: 600;
            padding: 15px;
            background-color: #f0f8ff;
            border-left: 4px solid #0073e6;
            margin-bottom: 30px;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .img-container img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .insider-tip {
            background: #e7f3ff;
            border: 2px dashed #0073e6;
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
        }
        .insider-tip h4 {
            color: #0073e6;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
        }
        .link-list h3 {
            color: #002244;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 12px;
            margin-top: 15px;
        }
        .link-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            background: white;
            border-radius: 6px;
            border: 1px solid #dee2e6;
        }
        .link-list li a:hover {
            background: #e7f3ff;
            border-color: #0073e6;
        }
        .functional-box {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border: 1px solid #dee2e6;
        }
        .functional-box h3 {
            color: #002244;
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 15px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #0073e6;
            box-shadow: 0 0 0 3px rgba(0,115,230,0.1);
        }
        button {
            background: linear-gradient(to right, #0073e6, #0056b3);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(to right, #0056b3, #004494);
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            direction: rtl; 
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffd700;
        }
        .sidebar h3 {
            color: #002244;
            font-size: 1.4rem;
            margin-top: 0;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffd700;
        }
        .widget {
            margin-bottom: 30px;
        }
        .widget ul {
            list-style: none;
        }
        .widget li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #dee2e6;
        }
        .widget li:last-child {
            border-bottom: none;
        }
        .widget a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget a:hover {
            color: #0056b3;
        }
        .site-footer {
            background: #002244;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #ffd700;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 12px 15px;
            margin-bottom: 10px;
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255,215,0,0.2);
        }
        friend-link a {
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: #002244;
                width: 100%;
                text-align: center;
                transition: 0.3s;
                padding: 20px 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                z-index: 999;
            }
            .nav-menu.active {
                left: 0;
            }
            .nav-menu li {
                margin: 10px 0;
            }
            .hamburger.active .fa-bars:before {
                content: "\f00d";
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .main-content {
                gap: 25px;
                padding: 20px 0;
            }
            .article-area, .sidebar {
                padding: 20px;
            }
        }