:root {
            --primary: #FF4655; 
            --secondary: #0F1923; 
            --accent: #FFC107; 
            --light: #F5F5F5;
            --dark: #121212;
            --text: #333333;
            --text-light: #777777;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: #fafafa;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--secondary);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 18px;
            border: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #e03a48;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav {
            background: rgba(15, 25, 35, 0.98);
            border-top: 2px solid var(--primary);
        }
        .nav-list {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            color: white;
            padding: 18px 22px;
            display: block;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }
        .nav-list a:hover {
            background: var(--primary);
            color: white;
        }
        .nav-list a i {
            margin-right: 8px;
        }
        .breadcrumb {
            background: var(--light);
            padding: 12px 0;
            border-bottom: 1px solid #e0e0e0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
            margin: 0 8px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-card {
            background: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .article-header {
            margin-bottom: 30px;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 20px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 15px;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .update-time {
            color: var(--primary);
            font-weight: 600;
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #eee;
        }
        .article-body h3 {
            font-size: 1.6rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        .article-body h4 {
            font-size: 1.3rem;
            color: var(--primary);
            margin: 25px 0 12px;
        }
        .article-body p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary);
            font-weight: 700;
        }
        .article-body em {
            background: linear-gradient(transparent 60%, rgba(255, 70, 85, 0.2) 40%);
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fdfcfb 0%, #f5f7fa 100%);
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--radius);
            margin: 30px auto;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            font-size: 1.4rem;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted #eee;
        }
        .link-list a {
            display: flex;
            align-items: center;
            color: var(--text);
        }
        .link-list a:hover {
            color: var(--primary);
        }
        .link-list i {
            margin-right: 10px;
            color: var(--primary);
        }
        .comment-section, .rating-section {
            margin-top: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--secondary);
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            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: var(--primary);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn:hover {
            background: #e03a48;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(255, 70, 85, 0.3);
        }
        .btn i {
            margin-right: 8px;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--accent);
        }
        .site-footer {
            background: var(--secondary);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 20px;
            color: white;
        }
        .footer-about p {
            color: #bbb;
            margin-bottom: 20px;
        }
        .footer-links h4, .footer-social h4 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #bbb;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .social-icons {
            display: flex;
            gap: 15px;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--primary);
            transform: translateY(-5px);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: var(--radius);
            margin: 20px 0;
            border-left: 4px solid var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #bbb;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 15px;
                width: 100%;
                max-width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 500px;
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-list a {
                padding: 15px 20px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-card {
                padding: 25px;
            }
        }