        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-green: #58cc02;
            --secondary-green: #1cb0f6;
            --dark-green: #0fa30f;
            --light-bg: #f9f9f9;
            --text-dark: #333;
            --text-light: #666;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: #fff;
            max-width: 100vw;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
            text-decoration: underline;
        }
        .search-section {
            padding: 2rem;
            background: linear-gradient(to right, #f0f9ff, #e6f7ff);
            text-align: center;
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid var(--primary-green);
            border-radius: 50px;
            font-size: 1.1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            box-shadow: 0 0 0 3px rgba(88, 204, 2, 0.3);
        }
        .search-btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-btn:hover {
            background-color: var(--dark-green);
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
            border-bottom: 2px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .update-time {
            color: var(--primary-green);
            font-weight: 600;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
            position: relative;
            padding-bottom: 1rem;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 120px;
            height: 5px;
            background: linear-gradient(to right, var(--primary-green), var(--secondary-green));
            border-radius: 5px;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--dark-green);
            padding-left: 1rem;
            border-left: 5px solid var(--primary-green);
        }
        h3 {
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
            color: var(--text-dark);
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--text-light);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .intro-lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark-green);
            padding: 1.5rem;
            background-color: #f0fff0;
            border-radius: 10px;
            border-left: 4px solid var(--primary-green);
            margin-bottom: 2.5rem;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .content-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.5rem;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #e6f7ff, #f0fff0);
            padding: 2rem;
            border-radius: 12px;
            margin: 2.5rem 0;
            border-left: 5px solid var(--secondary-green);
        }
        .tip {
            background-color: #fff9e6;
            border-left: 5px solid #ffc107;
            padding: 1.5rem;
            margin: 1.8rem 0;
            border-radius: 0 10px 10px 0;
        }
        .tip h4 {
            color: #b8860b;
            margin-top: 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        strong {
            color: var(--dark-green);
            font-weight: 700;
        }
        .internal-link {
            color: var(--secondary-green);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--secondary-green);
            transition: var(--transition);
        }
        .internal-link:hover {
            color: var(--primary-green);
            border-bottom-style: solid;
            background-color: #f0fff0;
            padding: 2px 4px;
            border-radius: 3px;
        }
        .step-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .step-card {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.07);
            border-top: 5px solid var(--primary-green);
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
        }
        .step-number {
            display: inline-block;
            background-color: var(--primary-green);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            font-weight: bold;
            margin-bottom: 1rem;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .sidebar-title {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--dark-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-title i {
            color: var(--primary-green);
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed var(--border-color);
        }
        .related-links a {
            color: var(--text-dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--primary-green);
            transform: translateX(5px);
        }
        .device-icons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            font-size: 2.5rem;
            color: var(--text-light);
            margin: 1.5rem 0;
        }
        .rating-section {
            background: linear-gradient(to bottom, #f9fff9, #f0f9ff);
            padding: 3rem 2.5rem;
            border-radius: 15px;
            margin: 3rem 0;
            text-align: center;
        }
        .star-rating {
            font-size: 2.2rem;
            color: #ffc107;
            margin: 1.5rem 0;
            letter-spacing: 5px;
        }
        .rating-form {
            max-width: 600px;
            margin: 2rem auto 0;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .rating-form input,
        .rating-form select,
        .rating-form textarea {
            padding: 1rem;
            border: 2px solid var(--border-color);
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .rating-form input:focus,
        .rating-form select:focus,
        .rating-form textarea:focus {
            border-color: var(--primary-green);
            outline: none;
            box-shadow: 0 0 0 3px rgba(88, 204, 2, 0.2);
        }
        .form-row {
            display: flex;
            gap: 1rem;
        }
        .form-row > * {
            flex: 1;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
            font-family: inherit;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary-green), var(--secondary-green));
            color: white;
            border: none;
            padding: 1.2rem 2.5rem;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(88, 204, 2, 0.3);
        }
        .comments-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 2px solid var(--border-color);
        }
        .comment {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            margin-bottom: 1.5rem;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .comment-author {
            font-weight: bold;
            color: var(--dark-green);
        }
        .site-footer {
            background: linear-gradient(to right, #2c3e50, #34495e);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            display: block;
        }
        .footer-about {
            font-size: 1rem;
            opacity: 0.9;
            line-height: 1.7;
        }
        .footer-links h3,
        friend-link h3 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--primary-green);
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        friend-link {
            display: block;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        friend-link a {
            color: #58cc02;
            text-decoration: none;
            font-weight: bold;
            transition: var(--transition);
        }
        friend-link a:hover {
            text-decoration: underline;
            color: #7ae42a;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 1100px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .mobile-menu-btn {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .main-nav a:hover {
                background-color: rgba(255, 255, 255, 0.15);
            }
            .search-form {
                flex-direction: column;
            }
            .form-row {
                flex-direction: column;
            }
            .article-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .step-grid {
                grid-template-columns: 1fr;
            }
            .device-icons {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .site-header,
            .breadcrumb,
            .main-content {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            .rating-section {
                padding: 2rem 1.5rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.6s ease-out;
        }
        @media print {
            .site-header,
            .search-section,
            .sidebar,
            .rating-section,
            .site-footer,
            .mobile-menu-btn {
                display: none !important;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
            }
            .main-content {
                grid-template-columns: 1fr;
                max-width: 100%;
                padding: 0;
                margin: 0;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            .content-img {
                max-width: 100%;
            }
        }
