* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6b6b;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
            padding: 1rem 0;
            border-bottom: 3px solid #ff6b6b;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo a:hover {
            opacity: 0.9;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #1a2332;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 0.5rem;
            color: #4dabf7;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 2rem;
        }
        .main-nav a {
            color: #e0e0e0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ff6b6b;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #e0e0e0;
            cursor: pointer;
        }
        .search-container {
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: inline-flex;
            max-width: 500px;
            width: 100%;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #4dabf7;
            border-radius: 4px 0 0 4px;
            background-color: #1a2332;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .search-btn {
            padding: 0.8rem 1.5rem;
            background-color: #4dabf7;
            color: white;
            border: none;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .search-btn:hover {
            background-color: #339af0;
        }
        .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-color: #1a2332;
            border-radius: 8px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        h1, h2, h3, h4 {
            color: #ffd166;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid #ff6b6b;
            padding-bottom: 0.5rem;
            margin-bottom: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid #4dabf7;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: #4dabf7;
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.8rem;
            color: #06d6a0;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #ffd166;
            background-color: rgba(255, 209, 102, 0.05);
            padding: 1.5rem;
            border-radius: 6px;
            margin-bottom: 2.5rem;
            border-left: 4px solid #ffd166;
        }
        .highlight {
            background-color: rgba(77, 171, 247, 0.1);
            padding: 1.5rem;
            border-radius: 6px;
            border-left: 4px solid #4dabf7;
            margin: 2rem 0;
        }
        .figure-img {
            margin: 2.5rem auto;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
            max-width: 800px;
        }
        .figure-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .figure-img img:hover {
            transform: scale(1.02);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        aside {
            background-color: #1a2332;
            border-radius: 8px;
            padding: 1.5rem;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #ff6b6b;
            border-bottom: 2px solid #333;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar-list {
            list-style: none;
        }
        .sidebar-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #333;
        }
        .rating-section, .comment-section {
            background-color: #1a2332;
            border-radius: 8px;
            padding: 2rem;
            margin: 2.5rem 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            direction: rtl;
            font-size: 2rem;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #555;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffd166;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            padding: 0.8rem;
            border-radius: 4px;
            border: 1px solid #444;
            background-color: #0f1419;
            color: #e0e0e0;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: #06d6a0;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 4px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #05b586;
        }
        .site-footer {
            background: linear-gradient(to bottom, #1a2332, #0a0e13);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 3px solid #ff6b6b;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        friend-link {
            display: inline-block;
            background-color: #2d3748;
            padding: 0.6rem 1.2rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background-color: #4dabf7;
            transform: translateY(-3px);
        }
        friend-link a {
            color: #e0e0e0;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            width: 100%;
        }
        .update-time {
            color: #ffd166;
            font-weight: 600;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
            }
            .main-nav li {
                margin: 0;
                border-bottom: 1px solid #333;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article, .rating-section, .comment-section {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                border-radius: 4px;
                margin-bottom: 0.5rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2em;
        }