* {
            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: linear-gradient(135deg, #0c2461 0%, #1a3a8f 100%);
            background-attachment: fixed;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(12, 36, 97, 0.95);
            border-bottom: 3px solid #f39c12;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 2.8rem;
            font-weight: 900;
            color: #f39c12;
            text-decoration: none;
            text-shadow: 3px 3px 0 #e74c3c, 5px 5px 0 rgba(0, 0, 0, 0.2);
            letter-spacing: -1px;
            transition: all 0.3s ease;
        }
        .my-logo a:hover {
            color: #ffd700;
            text-shadow: 3px 3px 0 #ff6b6b, 7px 7px 0 rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 1.8rem;
        }
        .main-nav a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            transition: all 0.3s ease;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #f39c12;
            color: #0c2461;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            width: 0;
            height: 3px;
            background: #f39c12;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #f39c12;
            background: none;
            border: none;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: rgba(255, 255, 255, 0.05);
            margin-bottom: 2rem;
            border-radius: 0 0 10px 10px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
            color: #bdc3c7;
        }
        .breadcrumb li a {
            color: #f39c12;
            text-decoration: none;
        }
        .breadcrumb li a:hover {
            text-decoration: underline;
        }
        .breadcrumb li::after {
            content: '/';
            margin-left: 0.5rem;
        }
        .breadcrumb li:last-child::after {
            content: '';
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(255, 255, 255, 0.97);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid #f39c12;
        }
        h1 {
            font-size: 3.2rem;
            color: #0c2461;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 5px double #f39c12;
            padding-bottom: 1rem;
            text-align: center;
        }
        h2 {
            font-size: 2.4rem;
            color: #1a3a8f;
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.8rem;
            border-left: 6px solid #f39c12;
        }
        h3 {
            font-size: 1.8rem;
            color: #2980b9;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #2c3e50;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: #2c3e50;
            background: #e8f4fc;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #3498db;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, #f9e79f 0%, #f9e79f 100%);
            padding: 1.5rem;
            border-radius: 10px;
            border: 2px dashed #f39c12;
            margin: 2rem 0;
        }
        .highlight strong {
            color: #c0392b;
        }
        .internal-link {
            color: #1a3a8f;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted #3498db;
            transition: all 0.2s;
        }
        .internal-link:hover {
            color: #e74c3c;
            border-bottom-style: solid;
            background: #f9f9f9;
        }
        em {
            color: #16a085;
            font-style: italic;
        }
        strong {
            color: #c0392b;
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #7f8c8d;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px solid #bdc3c7;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            border: 5px solid #f39c12;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        aside {
            background: rgba(255, 255, 255, 0.97);
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
            border: 1px solid #3498db;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: #0c2461;
            border-bottom: 3px solid #3498db;
            padding-bottom: 0.5rem;
            margin-bottom: 1.2rem;
        }
        .search-form input {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid #bdc3c7;
            border-radius: 50px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #f39c12;
            box-shadow: 0 0 10px rgba(243, 156, 18, 0.5);
        }
        .search-form button {
            width: 100%;
            margin-top: 0.8rem;
            padding: 0.9rem;
            background: linear-gradient(to right, #3498db, #2980b9);
            color: white;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(to right, #f39c12, #e67e22);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.2);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #f1c40f;
            margin: 1rem 0;
        }
        .stars i {
            cursor: pointer;
            transition: transform 0.2s;
            margin: 0 3px;
        }
        .stars i:hover {
            transform: scale(1.3);
        }
        .rating-form button {
            padding: 0.8rem 2rem;
            background: #2ecc71;
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 1rem;
        }
        .rating-form button:hover {
            background: #27ae60;
            transform: translateY(-3px);
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 1rem;
            border: 2px solid #bdc3c7;
            border-radius: 10px;
            resize: vertical;
            font-family: inherit;
            transition: border 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #9b59b6;
            outline: none;
        }
        .comment-form button {
            padding: 0.9rem 2rem;
            background: linear-gradient(to right, #9b59b6, #8e44ad);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 1rem;
        }
        .comment-form button:hover {
            background: linear-gradient(to right, #8e44ad, #7d3c98);
            transform: translateY(-3px);
        }
        footer {
            background: rgba(12, 36, 97, 0.98);
            color: #ecf0f1;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
            border-top: 5px solid #f39c12;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #f39c12;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #f39c12;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: #3498db;
            text-decoration: none;
            font-weight: bold;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 400px;
                margin-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                align-items: center;
            }
            .main-nav li {
                margin: 0.5rem 0;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            article {
                padding: 1.5rem;
            }
            aside {
                position: static;
            }
        }