* { 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, #f5f7fa 0%, #f0f2f5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e63946; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #1a2b4c;
            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-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(to right, #f8d568, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover { transform: scale(1.03); }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #f0f2f5;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        nav a:hover, nav a.active {
            background-color: #e63946;
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #1a2b4c; }
        .breadcrumb span { color: #888; }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a2b4c;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #f8d568;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #2c5aa0;
            margin: 2.5rem 0 1rem;
            padding-left: 10px;
            border-left: 5px solid #e63946;
        }
        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;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1a2b4c;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #2c5aa0;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.3rem 0.6rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji { margin-right: 8px; }
        .section-img {
            float: right;
            margin: 0 0 1.5rem 2rem;
            max-width: 400px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        blockquote {
            font-style: italic;
            color: #555;
            border-left: 4px solid #f8d568;
            padding-left: 1.5rem;
            margin: 2rem 0;
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .feature-box {
            background: linear-gradient(145deg, #ffffff, #f0f2f5);
            border: 1px solid #ddd;
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        .feature-box h3 { margin-top: 0; color: #e63946; }
        .search-form, .comment-form, .rating-form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2c5aa0;
            box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.2);
        }
        button {
            background: linear-gradient(to right, #2c5aa0, #1a2b4c);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
            background: linear-gradient(to right, #e63946, #c1121f);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
            margin: 0.5rem 0;
        }
        .stars i:hover { transform: scale(1.2); }
        footer {
            background: #1a2b4c;
            color: #f0f2f5;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #f8d568;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links a {
            display: block;
            color: #ccc;
            margin-bottom: 0.8rem;
        }
        .footer-links a:hover { color: #f8d568; }
        friend-link {
            display: inline-block;
            background: #2c5aa0;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            margin: 0.3rem;
            font-size: 0.9rem;
        }
        friend-link:hover { background: #e63946; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2c5aa0;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                background: #1a2b4c;
                padding: 1rem 0;
                margin-top: 1rem;
                border-radius: 8px;
            }
            nav ul.active { display: flex; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 1.5rem; }
            .section-img {
                float: none;
                margin: 1.5rem auto;
                max-width: 100%;
            }
            .footer-content { grid-template-columns: 1fr; }
        }
        [itemscope] { border: none !important; }
        .update-time {
            font-size: 0.9rem;
            color: #666;
            text-align: right;
            margin-bottom: 1.5rem;
            font-style: italic;
        }