* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a1a2e;
            --secondary: #16213e;
            --accent: #0fccce;
            --accent-hover: #00b4b6;
            --text-light: #e6e6e6;
            --text-muted: #b0b0b0;
            --background: #0f1419;
            --card-bg: #1e252b;
            --border: #2a3439;
            --success: #4CAF50;
            --warning: #FF9800;
            --danger: #f44336;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        body {
            background-color: var(--background);
            color: var(--text-light);
            line-height: 1.8;
            font-size: 1.05rem;
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
            border-bottom: 2px solid var(--accent);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, var(--accent), #00ffcc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            background: none;
            -webkit-text-fill-color: var(--accent);
            font-size: 2.5rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .breadcrumb {
            background-color: rgba(30, 37, 43, 0.7);
            padding: 12px 20px;
            border-radius: 6px;
            margin: 15px 0 30px;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--text-light);
            margin: 0 8px;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-light);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background-color: rgba(15, 204, 206, 0.15);
            color: var(--accent);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
            background: none;
            border: none;
        }
        .search-container {
            max-width: 600px;
            margin: 40px auto 60px;
            background: var(--card-bg);
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border-left: 5px solid var(--accent);
        }
        .search-container h3 {
            margin-bottom: 15px;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--border);
            background-color: var(--primary);
            color: var(--text-light);
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--accent);
        }
        .search-btn {
            background: linear-gradient(to right, var(--accent), var(--accent-hover));
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-btn:hover {
            background: linear-gradient(to right, var(--accent-hover), #009a9c);
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        h1 {
            font-size: 2.8rem;
            color: white;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            background: linear-gradient(90deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--accent);
            margin: 2.8rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--border);
        }
        h3 {
            font-size: 1.7rem;
            color: #fff;
            margin: 2.2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-muted);
            margin: 1.8rem 0 0.8rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-muted);
            font-style: italic;
            border-left: 4px solid var(--accent);
            padding-left: 20px;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: rgba(15, 204, 206, 0.1);
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid var(--accent);
            margin: 25px 0;
        }
        .highlight strong {
            color: var(--accent);
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .featured-image {
            width: 100%;
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            border: 3px solid var(--border);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: var(--text-muted);
            padding: 10px;
            background-color: rgba(30, 37, 43, 0.8);
        }
        .content-link {
            color: var(--accent);
            font-weight: 600;
            border-bottom: 1px dotted var(--accent);
        }
        .content-link:hover {
            border-bottom-style: solid;
        }
        .sidebar {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--accent);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-links {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border);
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-light);
        }
        .sidebar-links a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }
        .button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(to right, var(--accent), var(--accent-hover));
            color: white;
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .button:hover {
            background: linear-gradient(to right, var(--accent-hover), #009a9c);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(15, 204, 206, 0.3);
            text-decoration: none;
            color: white;
        }
        .tag {
            display: inline-block;
            background-color: rgba(15, 204, 206, 0.15);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        .user-interaction {
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: 16px;
            margin: 50px 0;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-light);
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 15px;
            background-color: var(--primary);
            border: 2px solid var(--border);
            border-radius: 8px;
            color: var(--text-light);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
            direction: rtl; 
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2.2rem;
            color: var(--border);
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: var(--warning);
        }
        .submit-btn {
            background: linear-gradient(to right, var(--success), #3d8b40);
            color: white;
            border: none;
            padding: 16px 35px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #3d8b40, #2e6b31);
            transform: translateY(-3px);
        }
        .site-footer {
            background-color: var(--primary);
            padding: 60px 0 30px;
            margin-top: 80px;
            border-top: 3px solid var(--accent);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
        }
        friend-link a {
            color: var(--text-light);
            padding: 8px 0;
            display: block;
            border-bottom: 1px dashed var(--border);
        }
        friend-link a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
            padding-left: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .update-time {
            background-color: rgba(255, 152, 0, 0.1);
            padding: 15px;
            border-radius: 8px;
            margin: 30px 0;
            display: flex;
            align-items: center;
            gap: 15px;
            border-left: 5px solid var(--warning);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                flex-direction: column;
                background-color: var(--primary);
                padding: 30px;
                box-shadow: var(--shadow);
                transition: left 0.4s ease;
                z-index: 999;
                gap: 0;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                width: 100%;
                margin-bottom: 15px;
            }
            .nav-links a {
                padding: 15px;
                border-radius: 8px;
                justify-content: center;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article, .sidebar, .user-interaction {
                padding: 25px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                width: 100%;
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .search-btn {
                justify-content: center;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: var(--primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-hover);
        }