:root {
            --primary: #FF4655;
            --secondary: #2A2D43;
            --accent: #00C9FF;
            --light: #F5F5F7;
            --dark: #1A1C2E;
            --success: #00C851;
            --warning: #FFBB33;
            --danger: #FF4444;
            --text: #333333;
            --text-light: #666666;
            --border: #E1E5E9;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
            --container-max: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text);
            background-color: #f9f9fb;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--accent);
            padding-left: 15px;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--text-light);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--secondary);
            margin-bottom: 2rem;
        }
        header {
            background-color: var(--dark);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
        }
        .my-logo span {
            color: var(--primary);
            background: white;
            padding: 5px 10px;
            border-radius: 8px;
            margin-left: 8px;
        }
        .my-logo:hover {
            color: var(--accent);
        }
        nav {
            display: flex;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 15px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
            font-size: 0.95rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .search-container {
            background: linear-gradient(135deg, var(--secondary), var(--dark));
            padding: 40px 20px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            text-align: center;
            color: white;
        }
        .search-container h2 {
            color: white;
            border: none;
            padding: 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 20px auto 0;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
        }
        .search-button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--accent);
        }
        main {
            padding: 30px 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .featured-image {
            margin: 30px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .highlight-box {
            background-color: #F0F7FF;
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight-title {
            color: var(--secondary);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .tip-card {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--primary);
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        .tip-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .rating-container {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 40px 0;
            text-align: center;
        }
        .rating-title {
            margin-bottom: 20px;
        }
        .stars {
            display: flex;
            justify-content: center;
            margin: 20px 0;
            direction: rtl;
        }
        .star {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star:hover ~ .star {
            color: var(--warning);
        }
        .star.selected {
            color: var(--warning);
        }
        .rating-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .form-group {
            margin-bottom: 20px;
            text-align: left;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 201, 255, 0.2);
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--accent);
            transform: translateY(-3px);
        }
        .comments-container {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 40px 0;
        }
        .comments-title {
            margin-bottom: 30px;
        }
        .comment {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        .comment-author {
            font-weight: 600;
            color: var(--secondary);
        }
        .comment-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        sidebar {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            height: fit-content;
        }
        .sidebar-section {
            margin-bottom: 40px;
        }
        .sidebar-title {
            font-size: 1.4rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            margin-bottom: 20px;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border);
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a {
            display: flex;
            align-items: center;
            color: var(--text);
        }
        .related-links a:hover {
            color: var(--primary);
        }
        .link-icon {
            color: var(--primary);
            margin-right: 10px;
            font-size: 1.2rem;
        }
        .update-info {
            background-color: #FFF9E6;
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--warning);
            margin: 30px 0;
        }
        .update-text {
            display: flex;
            align-items: center;
            font-weight: 600;
        }
        .update-text i {
            margin-right: 10px;
            color: var(--warning);
            font-size: 1.5rem;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 20px;
        }
        .footer-logo span {
            color: var(--primary);
        }
        .footer-section h3 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #cccccc;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaaaaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background-color: var(--dark);
                width: 100%;
                text-align: center;
                transition: 0.5s;
                box-shadow: var(--shadow);
                padding: 20px 0;
                z-index: 999;
            }
            .nav-links.active {
                right: 0;
            }
            .nav-links li {
                margin: 15px 0;
            }
            .hamburger {
                display: block;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 50px;
                margin-bottom: 10px;
            }
            .search-button {
                border-radius: 50px;
                padding: 15px;
            }
            .article-content {
                padding: 25px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo-container {
                margin-bottom: 15px;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 700; }
        .text-primary { color: var(--primary); }
        .mb-1 { margin-bottom: 10px; }
        .mb-2 { margin-bottom: 20px; }
        .mb-3 { margin-bottom: 30px; }
        .mt-1 { margin-top: 10px; }
        .mt-2 { margin-top: 20px; }
        .mt-3 { margin-top: 30px; }
        .emoji { font-size: 1.3rem; }