* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            color: #333;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: #1a5fb4;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0d4a9c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #1a365d;
            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: 1.8rem;
            font-weight: 700;
            color: #ffdd40;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2rem;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background: #2d4a7c;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 8px;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a5fb4;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a365d;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #ffdd40;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #2d4a7c;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #e9ecef;
        }
        h3 {
            font-size: 1.6rem;
            color: #3a5f8e;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a74b0;
            margin: 1.5rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong {
            color: #1a365d;
            font-weight: 700;
        }
        .highlight {
            background: #fffacd;
            padding: 1.5rem;
            border-left: 5px solid #ffdd40;
            margin: 1.5rem 0;
            border-radius: 8px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            height: fit-content;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 2rem;
        }
        .search-box input, .comment-form textarea, .comment-form input, .rating-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-box input:focus, .comment-form textarea:focus, .comment-form input:focus, .rating-form select:focus {
            border-color: #1a5fb4;
            outline: none;
        }
        button {
            background: #1a5fb4;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: background 0.3s, transform 0.2s;
            width: 100%;
        }
        button:hover {
            background: #0d4a9c;
            transform: translateY(-3px);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .stars i {
            color: #ffdd40;
            font-size: 1.8rem;
            cursor: pointer;
        }
        footer {
            background: #1a365d;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #ffdd40;
        }
        friend-link:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2d4a7c;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a365d;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                gap: 0;
            }
            nav ul.active {
                display: flex;
            }
            nav li {
                width: 100%;
            }
            nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #2d4a7c;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
        }
        .card {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .update-time {
            font-size: 0.9rem;
            color: #666;
            text-align: right;
            margin-bottom: 1rem;
        }