* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #FF6B8B;
            --secondary-color: #6A5ACD;
            --accent-color: #FFD700;
            --dark-color: #2D3047;
            --light-color: #F8F9FA;
            --text-color: #333333;
            --text-light: #666666;
            --border-color: #E0E0E0;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
            --container-padding: 2rem;
            --max-width: 1200px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo a {
            color: white;
            text-decoration: none;
        }
        .logo-icon {
            color: var(--accent-color);
        }
        .breadcrumb {
            background-color: rgba(255,255,255,0.1);
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--accent-color);
        }
        .breadcrumb a {
            color: white;
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .search-container {
            margin: 2rem auto;
            max-width: 800px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            background-color: white;
        }
        .search-input:focus {
            outline: 2px solid var(--primary-color);
            outline-offset: -2px;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-button:hover {
            background-color: var(--secondary-color);
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            margin-bottom: 3rem;
            text-align: center;
            padding-bottom: 2rem;
            border-bottom: 2px solid var(--border-color);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: var(--text-light);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-content {
            font-size: 1.1rem;
            max-width: 900px;
            margin: 0 auto 4rem;
        }
        .article-content h2 {
            color: var(--secondary-color);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
            font-size: 2rem;
        }
        .article-content h3 {
            color: var(--primary-color);
            margin: 2.5rem 0 1rem;
            font-size: 1.6rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--secondary-color);
        }
        .highlight-box {
            background-color: rgba(255, 215, 0, 0.1);
            border-left: 5px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .featured-image {
            margin: 3rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .featured-image figcaption {
            text-align: center;
            padding: 1rem;
            font-style: italic;
            color: var(--text-light);
            background-color: var(--light-color);
        }
        .download-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 3rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .download-button {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1.2rem 3rem;
            border-radius: 50px;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 2rem 0;
            box-shadow: 0 6px 20px rgba(106, 90, 205, 0.4);
            transition: var(--transition);
        }
        .download-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(106, 90, 205, 0.5);
            color: white;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .tip-card {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 5px solid var(--primary-color);
        }
        .tip-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.15);
        }
        .tip-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .user-interaction {
            background-color: var(--light-color);
            padding: 4rem 0;
            margin: 4rem 0;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            margin-top: 2rem;
        }
        .comment-section, .rating-section {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 1rem;
            margin: 1rem 0;
            border: 2px solid var(--border-color);
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-button:hover {
            background-color: var(--secondary-color);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2rem;
            color: var(--accent-color);
        }
        .internal-links {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0;
        }
        .web-link {
            display: inline-block;
            background-color: rgba(255,255,255,0.1);
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .web-link a {
            color: white;
        }
        footer {
            background-color: #1a1a2e;
            color: #aaa;
            padding: 3rem 0 2rem;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            width: 100%;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .container {
                padding: 0 1.5rem;
            }
            .article-header h1 {
                font-size: 2.3rem;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--secondary-color);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 3rem;
                transition: var(--transition);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            .hamburger {
                display: block;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            .download-section {
                padding: 2rem 1rem;
            }
            .download-button {
                padding: 1rem 2rem;
                font-size: 1.1rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .header-container {
                flex-direction: column;
                gap: 1rem;
            }
        }
        @media (max-width: 480px) {
            :root {
                --container-padding: 1rem;
            }
            .article-content h2 {
                font-size: 1.6rem;
            }
            .article-content h3 {
                font-size: 1.3rem;
            }
            .comment-section, .rating-section {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255, 107, 139, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(255, 107, 139, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 107, 139, 0); }
        }