* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f9f9f9;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #2c7be5;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1a5bb8;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 20px;
            margin-bottom: 1.5em;
        }
        header {
            background: linear-gradient(135deg, #1a5bb8 0%, #2c7be5 100%);
            color: white;
            padding: 1.5em 0;
            border-radius: 0 0 12px 12px;
            margin-bottom: 2em;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            color: white;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo span {
            color: #ffd166;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8em;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5em 0;
            position: relative;
        }
        .nav-links a:hover {
            color: #ffd166;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #ffd166;
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9f0fa;
            padding: 0.8em 1em;
            border-radius: 8px;
            margin: 1.5em 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #1a5bb8;
        }
        .search-container {
            margin: 2em 0;
            text-align: center;
        }
        .search-form {
            display: inline-flex;
            max-width: 600px;
            width: 100%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex-grow: 1;
            padding: 1em 1.5em;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: #2c7be5;
            color: white;
            border: none;
            padding: 0 1.8em;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s ease;
        }
        .search-button:hover {
            background: #1a5bb8;
        }
        main {
            background-color: white;
            padding: 2.5em;
            border-radius: 12px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
            margin-bottom: 2em;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a5bb8;
            margin-bottom: 0.8em;
            line-height: 1.2;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 0.4em;
        }
        h2 {
            font-size: 2rem;
            color: #2c7be5;
            margin: 1.8em 0 1em;
            padding-bottom: 0.5em;
            border-bottom: 1px dashed #ddd;
        }
        h3 {
            font-size: 1.6rem;
            color: #444;
            margin: 1.5em 0 0.8em;
        }
        h4 {
            font-size: 1.3rem;
            color: #666;
            margin: 1.2em 0 0.6em;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            hyphens: auto;
        }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background-color: #f0f7ff;
            padding: 1.5em;
            border-left: 5px solid #2c7be5;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5em;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5em;
            border-radius: 8px;
            border-left: 5px solid #ffd166;
            margin: 2em 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        .feature-image {
            width: 80%;
            margin: 2em auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        .feature-image img {
            transition: transform 0.5s ease;
        }
        .feature-image img:hover {
            transform: scale(1.02);
        }
        .figcaption {
            text-align: center;
            font-style: italic;
            color: #777;
            padding: 0.8em;
            font-size: 0.95rem;
        }
        .content-link {
            font-weight: 700;
            border-bottom: 2px dotted #2c7be5;
        }
        .content-link:hover {
            border-bottom-style: solid;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #888;
            font-size: 0.9rem;
            margin-top: 3em;
            padding-top: 1em;
            border-top: 1px solid #eee;
        }
        .rating-comment-section {
            background-color: #f8fafd;
            padding: 2em;
            border-radius: 10px;
            margin-top: 3em;
            border: 1px solid #e1e8f0;
        }
        .rating-container, .comment-container {
            margin-bottom: 2.5em;
        }
        .rating-title, .comment-title {
            font-size: 1.5rem;
            color: #444;
            margin-bottom: 1em;
            display: flex;
            align-items: center;
            gap: 0.5em;
        }
        .star-rating {
            display: flex;
            gap: 0.5em;
            margin-bottom: 1.5em;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1.2em;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5em;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            padding: 0.9em;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2c7be5;
            box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.1);
        }
        .submit-btn {
            background-color: #2c7be5;
            color: white;
            border: none;
            padding: 1em 2em;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
            justify-self: start;
        }
        .submit-btn:hover {
            background-color: #1a5bb8;
            transform: translateY(-2px);
        }
        footer {
            background-color: #1a1a2e;
            color: #ccc;
            padding: 3em 2em 2em;
            border-radius: 12px 12px 0 0;
            margin-top: 3em;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5em;
            margin-bottom: 2.5em;
        }
        .footer-section h4 {
            color: #ffd166;
            margin-bottom: 1.2em;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8em;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: #ffd166;
        }
        friend-link {
            display: block;
            background: #252547;
            padding: 1em;
            border-radius: 6px;
            margin-top: 0.5em;
        }
        friend-link a {
            color: #a3c4ff;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2em;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav {
                width: 100%;
                margin-top: 1.5em;
                justify-content: space-between;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a5bb8;
                padding: 1em;
                border-radius: 8px;
                gap: 1em;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            main {
                padding: 1.5em;
            }
            .search-form {
                flex-direction: column;
                border-radius: 10px;
            }
            .search-input, .search-button {
                border-radius: 0;
                padding: 1.2em;
            }
            .feature-image {
                width: 100%;
            }
        }