* {
            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: #2c3e50;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            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;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo span {
            color: #FFD700;
        }
        .my-logo:hover {
            transform: scale(1.02);
            transition: transform 0.3s;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a2980;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-weight: 600;
            transition: padding-left 0.3s;
        }
        .nav-mobile a:hover {
            padding-left: 10px;
            color: #FFD700;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e9ecef;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #1a2980;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #6c757d;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 6px solid #26d0ce;
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 25px;
            margin-bottom: 30px;
            border-bottom: 2px dashed #e9ecef;
            color: #6c757d;
            font-size: 0.95rem;
        }
        .update-time {
            background-color: #fff3cd;
            padding: 8px 15px;
            border-radius: 20px;
            color: #856404;
            font-weight: 600;
        }
        h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f1f1f1;
        }
        h3 {
            font-size: 1.6rem;
            color: #1a2980;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #26d0ce;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: #1a2980;
            font-weight: 700;
        }
        em {
            color: #e74c3c;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-left: 5px solid #26d0ce;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
        }
        .content-image {
            margin: 35px auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        a.content-link {
            color: #1a2980;
            text-decoration: none;
            border-bottom: 2px dotted #26d0ce;
            font-weight: 600;
            transition: all 0.2s;
        }
        a.content-link:hover {
            color: #26d0ce;
            border-bottom-style: solid;
            background-color: rgba(38, 208, 206, 0.05);
        }
        aside {
            background-color: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        @media (max-width: 992px) {
            aside {
                position: static;
            }
        }
        .sidebar-widget {
            margin-bottom: 40px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #2c3e50;
            padding-bottom: 10px;
            border-bottom: 2px solid #f1f1f1;
        }
        .search-box {
            display: flex;
            margin-bottom: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-box input:focus {
            outline: none;
            border-color: #26d0ce;
        }
        .search-box button {
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: opacity 0.3s;
        }
        .search-box button:hover {
            opacity: 0.9;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin-bottom: 15px;
            font-size: 2rem;
            color: #FFD700;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
            transition: transform 0.2s;
        }
        .rating-form button {
            background-color: #2ecc71;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: background-color 0.3s;
        }
        .rating-form button:hover {
            background-color: #27ae60;
        }
        .comment-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid #f1f1f1;
        }
        .comment-form {
            display: grid;
            gap: 20px;
            margin-bottom: 40px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #26d0ce;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 18px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: opacity 0.3s;
        }
        .comment-form button:hover {
            opacity: 0.9;
        }
        footer {
            background: linear-gradient(135deg, #1a2980, #2c3e50);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: #FFD700;
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: #26d0ce;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
            border-left: 4px solid #26d0ce;
        }
        friend-link a {
            color: white;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            color: #FFD700;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }