:root {
            --primary-color: #FF6B35;
            --secondary-color: #004E89;
            --accent-color: #FFD166;
            --dark-color: #1A1A2E;
            --light-color: #F8F9FA;
            --text-color: #333333;
            --text-light: #666666;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            --container-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(90deg, var(--dark-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Rounded MT Bold', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: white;
        }
        .my-logo i {
            font-size: 2.5rem;
            animation: spin 8s linear infinite;
        }
        @keyframes spin {
            0% { transform: rotateY(0deg); }
            100% { transform: rotateY(360deg); }
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.1);
            padding: 12px 20px;
            border-radius: var(--border-radius);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #aaa;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 20px;
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--accent-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 70%;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--dark-color);
            padding: 80px 30px 30px;
            transition: var(--transition);
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 15px;
            margin-bottom: 10px;
            border-radius: var(--border-radius);
            background: rgba(255, 255, 255, 0.05);
            transition: var(--transition);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateX(5px);
        }
        .mobile-nav-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .last-updated {
            background: linear-gradient(90deg, var(--accent-color), #FFB347);
            color: var(--dark-color);
            padding: 12px 20px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .last-updated i {
            font-size: 1.2rem;
        }
        h1 {
            color: var(--secondary-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--primary-color);
            padding-left: 20px;
        }
        h2 {
            color: var(--dark-color);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary-color);
        }
        h3 {
            color: var(--secondary-color);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--text-color);
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro-highlight {
            background: linear-gradient(90deg, rgba(255, 107, 53, 0.1), rgba(255, 209, 102, 0.1));
            border-left: 4px solid var(--primary-color);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 30px 0;
            font-size: 1.2rem;
            line-height: 1.8;
        }
        .keyword-badge {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-right: 10px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .keyword-badge:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }
        .content-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px auto;
            display: block;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .content-image:hover {
            transform: scale(1.01);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        .tip-box {
            background: #E3F2FD;
            border-left: 5px solid #2196F3;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .warning-box {
            background: #FFF3E0;
            border-left: 5px solid #FF9800;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .quote-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 35px;
            border-radius: var(--border-radius);
            margin: 40px 0;
            font-size: 1.3rem;
            font-style: italic;
            text-align: center;
            position: relative;
        }
        .quote-box::before {
            content: '"';
            font-size: 5rem;
            position: absolute;
            top: -20px;
            left: 20px;
            opacity: 0.3;
            font-family: Georgia, serif;
        }
        .internal-links {
            background: var(--light-color);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .internal-links h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            list-style: none;
        }
        .internal-links li a {
            color: var(--secondary-color);
            text-decoration: none;
            padding: 10px 15px;
            background: white;
            border-radius: 8px;
            display: block;
            transition: var(--transition);
            border-left: 4px solid transparent;
        }
        .internal-links li a:hover {
            background: var(--accent-color);
            transform: translateX(5px);
            border-left-color: var(--primary-color);
        }
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .strategy-card {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            border-top: 5px solid var(--primary-color);
        }
        .strategy-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .strategy-card h4 {
            color: var(--primary-color);
            margin-top: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-top: 0;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--light-color);
            margin-bottom: 20px;
        }
        .search-box {
            display: flex;
            margin-bottom: 20px;
        }
        .search-box input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-box input:focus {
            border-color: var(--primary-color);
        }
        .search-box button {
            background: linear-gradient(90deg, var(--primary-color), #FF8C42);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-box button:hover {
            background: linear-gradient(90deg, #FF8C42, var(--primary-color));
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #FFD700;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-text {
            font-size: 1.1rem;
            margin: 15px 0;
            color: var(--text-light);
        }
        .submit-rating {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 25px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-rating:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            min-height: 150px;
            resize: vertical;
            margin-bottom: 15px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--primary-color);
            outline: none;
        }
        .comment-form button {
            background: linear-gradient(90deg, var(--secondary-color), #0066CC);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background: linear-gradient(90deg, #0066CC, var(--secondary-color));
            transform: translateY(-3px);
        }
        .stats-widget {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .stat-item {
            text-align: center;
            padding: 15px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: var(--border-radius);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .site-footer {
            background: linear-gradient(90deg, var(--dark-color) 0%, #2D3047 100%);
            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-size: 2rem;
            font-weight: 800;
            color: var(--accent-color);
            margin-bottom: 20px;
            display: block;
        }
        .footer-description {
            color: #aaa;
            line-height: 1.6;
        }
        .friend-links {
            margin: 30px 0;
            padding: 25px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
        }
        friend-link {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 10px;
        }
        friend-link a {
            color: var(--accent-color);
            text-decoration: none;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            transition: var(--transition);
        }
        friend-link a:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .copyright a {
            color: var(--accent-color);
            text-decoration: none;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
            .article-content { padding: 25px; }
            .main-content { padding: 20px 0; }
            .header-content { flex-wrap: wrap; }
            .my-logo { font-size: 1.8rem; }
            .internal-links ul { grid-template-columns: 1fr; }
            .strategy-grid { grid-template-columns: 1fr; }
            .stats-widget { grid-template-columns: 1fr; }
        }
        .text-bold { font-weight: 700; }
        .text-primary { color: var(--primary-color); }
        .text-secondary { color: var(--secondary-color); }
        .emoji { font-size: 1.2em; }
        .highlight { background-color: rgba(255, 215, 0, 0.2); padding: 2px 5px; border-radius: 3px; }
        .section-divider {
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            margin: 40px 0;
            border-radius: 3px;
        }