* { 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: #e0e0e0;
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
            background-attachment: fixed;
            min-height: 100vh;
            padding-bottom: 60px;
        }
        a { color: #4fc3f7; text-decoration: none; transition: color 0.3s ease, text-shadow 0.3s ease; }
        a:hover { color: #29b6f6; text-shadow: 0 0 8px rgba(41, 182, 246, 0.7); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .p-2 { padding: 2rem; }
        .bg-dark { background-color: rgba(0, 0, 0, 0.7); border-radius: 10px; border: 1px solid #333; }
        .highlight { color: #ff9800; font-weight: bold; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .site-header {
            background: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #4fc3f7;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(to right, #4fc3f7, #ff9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo a { background: none; }
        .my-logo span { color: #ff5722; }
        .breadcrumb {
            padding: 10px 0;
            background: rgba(30, 30, 46, 0.9);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #888;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #4fc3f7; }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li { margin-left: 25px; }
        .main-nav a {
            color: #ccc;
            font-weight: 600;
            padding: 5px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4fc3f7;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: rgba(10, 10, 20, 0.98);
            flex-direction: column;
            padding: 20px;
            border-top: 1px solid #333;
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: #ccc;
            padding: 12px 0;
            border-bottom: 1px solid #222;
            font-weight: 600;
        }
        .mobile-nav a:last-child { border-bottom: none; }
        .search-container {
            margin: 30px auto;
            max-width: 600px;
        }
        .search-form {
            display: flex;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
            outline: none;
        }
        .search-input::placeholder { color: #aaa; }
        .search-btn {
            background: linear-gradient(to right, #2196f3, #0d47a1);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s ease;
        }
        .search-btn:hover { background: linear-gradient(to right, #0d47a1, #1565c0); }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            line-height: 1.8;
            font-size: 1.1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 5px rgba(0,0,0,0.7);
            border-bottom: 3px solid #ff9800;
            padding-bottom: 15px;
        }
        article h2 {
            font-size: 2rem;
            color: #4fc3f7;
            margin: 2.5rem 0 1.2rem;
            padding-top: 10px;
        }
        article h3 {
            font-size: 1.6rem;
            color: #ff9800;
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.3rem;
            color: #a5d6a7;
            margin: 1.5rem 0 0.8rem;
        }
        article ul, article ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        article li { margin-bottom: 0.5rem; }
        article blockquote {
            border-left: 5px solid #ff9800;
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            color: #ccc;
            background: rgba(255, 152, 0, 0.05);
            padding: 15px 20px;
            border-radius: 0 10px 10px 0;
        }
        article img.featured-image {
            width: 100%;
            border-radius: 10px;
            border: 3px solid #444;
            margin: 2rem auto;
            box-shadow: 0 10px 20px rgba(0,0,0,0.7);
        }
        .sidebar {
            background: rgba(20, 20, 35, 0.8);
            border-radius: 15px;
            padding: 25px;
            border: 1px solid #333;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar h3 {
            color: #ff9800;
            border-bottom: 2px solid #444;
            padding-bottom: 10px;
            margin-bottom: 15px;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #444;
        }
        .link-list a {
            display: flex;
            align-items: center;
            color: #ccc;
        }
        .link-list i {
            margin-right: 10px;
            color: #4fc3f7;
        }
        .update-time {
            font-size: 0.9rem;
            color: #888;
            background: rgba(0,0,0,0.3);
            padding: 10px;
            border-radius: 5px;
            text-align: center;
        }
        .interaction-section {
            margin-top: 50px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .interaction-box {
            background: rgba(25, 25, 40, 0.9);
            border-radius: 10px;
            padding: 25px;
            border: 1px solid #444;
        }
        .interaction-box h3 {
            color: #ff9800;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        .interaction-box h3 i { margin-right: 10px; }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            color: #aaa;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px 15px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid #555;
            border-radius: 6px;
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s ease;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: #4fc3f7;
            box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.2);
        }
        .form-textarea { min-height: 120px; resize: vertical; }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .star:hover,
        .star.active { color: #ff9800; transform: scale(1.1); }
        .submit-btn {
            background: linear-gradient(to right, #4fc3f7, #2196f3);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            width: 100%;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #2196f3, #0d47a1);
            transform: translateY(-2px);
        }
        .site-footer {
            background: rgba(5, 5, 15, 0.95);
            margin-top: 60px;
            padding: 40px 0 20px;
            border-top: 2px solid #4fc3f7;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #ff9800;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: #bbb; }
        .footer-links a:hover { color: #4fc3f7; padding-left: 5px; }
        friend-link {
            display: block;
            background: rgba(40, 40, 60, 0.6);
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
            border-left: 5px solid #ff9800;
        }
        friend-link a {
            font-weight: bold;
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .my-logo { font-size: 1.8rem; margin-bottom: 10px; }
            .main-nav { display: none; }
            .hamburger { display: block; }
            article h1 { font-size: 2.2rem; }
            article h2 { font-size: 1.8rem; }
            .sidebar { position: static; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .search-input { padding: 15px; }
            .interaction-section { grid-template-columns: 1fr; }
        }