* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f9f9f9;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #1a5fb4;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e95420;
        }
        ul, ol {
            padding-left: 2rem;
        }
        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; }
        .italic { font-style: italic; }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .my-1 { margin-top: 1rem; margin-bottom: 1rem; }
        .my-2 { margin-top: 2rem; margin-bottom: 2rem; }
        .site-header {
            background: linear-gradient(135deg, #0d3a5c 0%, #1a5fb4 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-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            font-family: 'Georgia', serif;
        }
        .my-logo span {
            color: #ffd700;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e6f2ff;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #e95420; }
        .search-container {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem auto;
            max-width: 800px;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 50px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #1a5fb4;
        }
        .search-btn {
            padding: 0 30px;
            background: linear-gradient(to right, #1a5fb4, #0d3a5c);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: transform 0.3s;
        }
        .search-btn:hover {
            transform: scale(1.05);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.06);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #0d3a5c;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            color: #666;
            font-size: 0.95rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            color: #e95420;
            font-weight: bold;
        }
        .article-body h2 {
            font-size: 2rem;
            color: #1a5fb4;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd700;
        }
        .article-body h3 {
            font-size: 1.6rem;
            color: #0d3a5c;
            margin: 2rem 0 1rem;
        }
        .article-body h4 {
            font-size: 1.3rem;
            color: #333;
            margin: 1.5rem 0 0.8rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight-box {
            background: #f0f8ff;
            border-left: 5px solid #1a5fb4;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 1px dashed #1a5fb4;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.06);
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: #0d3a5c;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd700;
        }
        .link-list {
            list-style: none;
            padding-left: 0;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .link-list li:before {
            content: '\f0da';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: #1a5fb4;
            position: absolute;
            left: 0;
        }
        .interaction-section {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.06);
            margin-top: 3rem;
        }
        .interaction-section h2 {
            color: #0d3a5c;
            margin-bottom: 2rem;
        }
        .rating-form,
        .comment-form {
            margin-bottom: 3rem;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffd700;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: #1a5fb4;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #1a5fb4, #0d3a5c);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
        }
        .site-footer {
            background: #0d3a5c;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            color: #ffd700;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            margin: 0.3rem;
            transition: background 0.3s;
        }
        .friend-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-body h2 {
                font-size: 1.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                padding: 15px;
            }
        }