* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #f0f0f0;
            line-height: 1.8;
            font-size: 18px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #00b4d8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #90e0ef;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        }
        .site-header {
            background: #0f3460;
            padding: 1rem 2rem;
            border-bottom: 3px solid #00b4d8;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffd166;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px #000;
        }
        .my-logo:hover {
            color: #ff9e00;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-menu a {
            color: #f0f0f0;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 8px;
        }
        .nav-menu a:hover {
            background: #00b4d8;
            color: #1a1a2e;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #f0f0f0;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: #1a1a2e;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #90e0ef;
        }
        .search-box {
            padding: 1rem 2rem;
            background: #16213e;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #00b4d8;
            border-radius: 25px;
            background: #1a1a2e;
            color: #f0f0f0;
            font-size: 1rem;
        }
        .search-button {
            padding: 0.8rem 1.5rem;
            background: #00b4d8;
            color: #1a1a2e;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: #90e0ef;
        }
        .main-container {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .article-content {
            background: rgba(26, 26, 46, 0.9);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
        }
        .sidebar {
            background: rgba(22, 33, 62, 0.9);
            padding: 1.5rem;
            border-radius: 15px;
            align-self: start;
        }
        h1 {
            font-size: 3rem;
            color: #ffd166;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 3px solid #00b4d8;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #90e0ef;
            margin: 2rem 0 1rem;
            border-left: 5px solid #ff9e00;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #ff9e00;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #ffd166;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: #ff9e00;
            font-weight: 900;
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #90e0ef;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .highlight-box {
            background: linear-gradient(90deg, #0f3460, #1a1a2e);
            border-left: 6px solid #ff9e00;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 12px 12px 0;
        }
        .user-interaction {
            margin-top: 3rem;
            padding: 2rem;
            background: #16213e;
            border-radius: 15px;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        textarea, input[type="text"], input[type="number"] {
            padding: 0.8rem;
            border: 2px solid #00b4d8;
            border-radius: 10px;
            background: #1a1a2e;
            color: #f0f0f0;
            font-size: 1rem;
        }
        .submit-button {
            padding: 0.8rem;
            background: #ff9e00;
            color: #1a1a2e;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .submit-button:hover {
            background: #ffd166;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ffd166;
            cursor: pointer;
        }
        .site-footer {
            background: #0f3460;
            padding: 2rem;
            margin-top: auto;
            border-top: 3px solid #00b4d8;
        }
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }
        friend-link {
            display: block;
            background: #1a1a2e;
            padding: 1rem;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s;
        }
        friend-link:hover {
            transform: translateY(-5px);
            background: #16213e;
        }
        .copyright {
            text-align: center;
            padding-top: 1rem;
            border-top: 1px solid #00b4d8;
            font-size: 0.9rem;
            color: #90e0ef;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #0f3460;
                padding: 1rem;
                border-top: 2px solid #00b4d8;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 576px) {
            .header-container, .breadcrumb, .search-box, .main-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }