:root {
            --primary: #FF4655; 
            --secondary: #0F1923; 
            --accent: #FFB320; 
            --light: #F8F9FA;
            --dark: #1A1A1A;
            --gray: #6C757D;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
        }
        * {
            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: #333;
            background-color: #f5f5f5;
            overflow-x: hidden;
        }
        .site-header {
            background-color: var(--secondary);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--primary);
        }
        .logo i {
            color: var(--accent);
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: var(--secondary);
            padding: 20px;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .nav-mobile.active {
            display: block;
        }
        .nav-mobile ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 12px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:hover {
            background-color: var(--primary);
            padding-left: 20px;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 15px 0;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 8px;
            color: var(--gray);
        }
        .breadcrumb .current {
            color: var(--gray);
        }
        .search-container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
        }
        .search-box {
            position: relative;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            width: 100%;
            padding: 16px 20px;
            padding-right: 60px;
            border: 2px solid #ddd;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 70, 85, 0.2);
        }
        .search-box button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 48px;
            height: 48px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #e03a48;
            transform: translateY(-50%) scale(1.05);
        }
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--primary);
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        h3 {
            color: var(--primary);
            font-size: 1.6rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: var(--dark);
            font-size: 1.3rem;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--secondary);
            background-color: rgba(255, 70, 85, 0.05);
            padding: 20px;
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fff9db;
            padding: 3px 6px;
            border-radius: 3px;
            font-weight: 600;
        }
        .pro-tip {
            background-color: #e8f4fd;
            border-left: 4px solid #1a73e8;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .pro-tip h4 {
            color: #1a73e8;
            margin-top: 0;
        }
        .img-container {
            margin: 30px 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--gray);
            font-size: 0.9rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        a:hover {
            color: #e03a48;
            text-decoration: underline;
        }
        .internal-links {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .internal-links h3 {
            margin-top: 0;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
            list-style: none;
            margin-left: 0;
        }
        .internal-links li {
            margin-bottom: 0;
        }
        .internal-links a {
            display: block;
            padding: 10px 15px;
            background-color: white;
            border-radius: 6px;
            border: 1px solid #ddd;
        }
        .internal-links a:hover {
            background-color: var(--primary);
            color: white;
            text-decoration: none;
            border-color: var(--primary);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
            color: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin-bottom: 15px;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            transform: scale(1.2);
        }
        .rating-count {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .comment-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #eee;
        }
        .comment-section h2 {
            margin-top: 0;
        }
        .comment-form {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 70, 85, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background-color: #e03a48;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 70, 85, 0.3);
        }
        .comments-list {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .comment {
            padding: 20px;
            border: 1px solid #eee;
            border-radius: var(--border-radius);
            background-color: white;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #f0f0f0;
        }
        .comment-author {
            font-weight: 700;
            color: var(--secondary);
        }
        .comment-date {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .site-footer {
            background-color: var(--secondary);
            color: white;
            margin-top: 60px;
            padding-top: 50px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-widgets {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h4 {
            color: white;
            font-size: 1.3rem;
            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: #ccc;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        friend-link h4 {
            margin-bottom: 15px;
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 25px 0;
            text-align: center;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container {
                height: 70px;
            }
            .hamburger {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .article-content {
                padding: 25px;
            }
            .main-container {
                padding: 15px;
                gap: 30px;
            }
            .breadcrumb ol {
                font-size: 0.9rem;
            }
        }
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .py-20 { padding-top: 20px; padding-bottom: 20px; }
        .emoji { font-size: 1.2em; }