* {
            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;
            overflow-x: hidden;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #003d82;
            text-decoration: underline;
        }
        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; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .mt-4 { margin-top: 2rem; }
        .py-2 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-4 { padding-top: 2rem; padding-bottom: 2rem; }
        .d-flex { display: flex; }
        .justify-between { justify-content: space-between; }
        .align-center { align-items: center; }
        .flex-wrap { flex-wrap: wrap; }
        .site-header {
            background: linear-gradient(135deg, #0a2463 0%, #1e3c8c 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            background: linear-gradient(to right, #ffcc00, #ffde5c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .breadcrumb {
            padding: 0.75rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #0056b3;
        }
        .breadcrumb span {
            color: #495057;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            margin-left: 2rem;
        }
        .nav-links li {
            margin-left: 1.5rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a:hover {
            text-decoration: none;
            color: #ffcc00;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #ffcc00;
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .search-form {
            max-width: 500px;
            margin: 2rem auto;
            position: relative;
        }
        .search-input {
            width: 100%;
            padding: 0.9rem 1.2rem;
            padding-right: 3.5rem;
            border: 2px solid #ddd;
            border-radius: 50px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #0056b3;
            box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
        }
        .search-btn {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: #0056b3;
            color: white;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #003d82;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: #0a2463;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffcc00;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #1e3c8c;
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.5rem;
            border-left: 5px solid #0056b3;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
            background-color: #f8f9fa;
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid #28a745;
        }
        strong {
            color: #0a2463;
            font-weight: 700;
        }
        .highlight {
            background: linear-gradient(120deg, #ffec99 0%, #ffec99 100%);
            padding: 0.1rem 0.3rem;
            border-radius: 3px;
        }
        .featured-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid #eee;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.5s ease;
        }
        .featured-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .links-box {
            background: #f1f8ff;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .links-box h3 {
            color: #0056b3;
            margin-top: 0;
        }
        .links-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .links-list li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed #ccc;
        }
        .links-list li:last-child {
            border-bottom: none;
        }
        .links-list a {
            color: #333;
            display: flex;
            align-items: center;
        }
        .links-list a:hover {
            color: #0056b3;
        }
        .links-list i {
            margin-right: 10px;
            color: #0056b3;
        }
        .rating-section, .comments-section {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            border: 1px solid #e9ecef;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #495057;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #0056b3;
            box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            background: #0056b3;
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .btn:hover {
            background: #003d82;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn-block {
            width: 100%;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .sidebar-widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.3rem;
            color: #0a2463;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffcc00;
        }
        .update-time {
            background: #e7f4e4;
            padding: 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            color: #2e7d32;
        }
        .update-time i {
            margin-right: 8px;
        }
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            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-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #ffcc00;
            margin-bottom: 1rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1rem 0;
        }
        friend-link {
            display: inline-block;
            background: #333;
            color: #ccc;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: #0056b3;
            color: white;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #999;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            .my-logo { font-size: 1.8rem; }
            .hamburger { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #0a2463;
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 0.5rem 0;
                margin-left: 0;
            }
            .main-nav {
                justify-content: space-between;
            }
            article, aside {
                padding: 1.5rem;
            }
        }