:root {
            --primary-blue: #3a86ff;
            --secondary-purple: #8338ec;
            --accent-pink: #ff006e;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #e9ecef;
            --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(90deg, var(--dark-bg) 0%, #16213e 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary-blue), var(--accent-pink));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 20px rgba(58, 134, 255, 0.3);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: var(--primary-blue);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: rgba(255, 255, 255, 0.9);
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-container {
            background-color: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: var(--card-shadow);
        }
        .article-header {
            margin-bottom: 3rem;
            border-bottom: 3px solid var(--primary-blue);
            padding-bottom: 2rem;
        }
        .article-header h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--dark-bg);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: #6c757d;
            font-size: 0.95rem;
        }
        .article-meta i {
            margin-right: 0.5rem;
            color: var(--primary-blue);
        }
        .article-body {
            font-size: 1.125rem;
        }
        .article-body > * {
            margin-bottom: 1.8rem;
        }
        .article-body h2 {
            font-size: 2.4rem;
            color: var(--dark-bg);
            margin-top: 3rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--secondary-purple);
        }
        .article-body h3 {
            font-size: 1.9rem;
            color: var(--secondary-purple);
            margin-top: 2.5rem;
        }
        .article-body h4 {
            font-size: 1.5rem;
            color: var(--primary-blue);
            margin-top: 2rem;
        }
        .article-body p {
            text-align: justify;
            hyphens: auto;
        }
        .article-body strong {
            color: var(--accent-pink);
            font-weight: 700;
        }
        .key-steps {
            background: linear-gradient(135deg, #f0f7ff 0%, #e3f2fd 100%);
            border-left: 5px solid var(--primary-blue);
            padding: 2rem;
            border-radius: 0 15px 15px 0;
            margin: 2.5rem 0;
        }
        .key-steps h3 {
            margin-top: 0;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 15px;
            margin: 2rem 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        }
        .internal-link {
            color: var(--secondary-purple);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted transparent;
            transition: var(--transition);
        }
        .internal-link:hover {
            border-bottom-color: var(--secondary-purple);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: 15px;
            padding: 1.8rem;
            box-shadow: var(--card-shadow);
        }
        .widget h3 {
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary-blue);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-blue);
        }
        .search-btn {
            background: linear-gradient(45deg, var(--primary-blue), var(--secondary-purple));
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(45deg, var(--secondary-purple), var(--primary-blue));
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            transition: var(--transition);
            margin: 0 0.2rem;
        }
        .stars i:hover {
            transform: scale(1.3);
        }
        .rating-form button {
            background-color: var(--accent-pink);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .rating-form button:hover {
            background-color: #e0005e;
            transform: translateY(-3px);
        }
        .comment-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 3px solid #eee;
        }
        .comment-form .form-group {
            margin-bottom: 1.5rem;
        }
        .comment-form label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-bg);
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.1);
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(45deg, var(--primary-blue), var(--secondary-purple));
            color: white;
            border: none;
            padding: 1rem 3rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: linear-gradient(45deg, var(--secondary-purple), var(--primary-blue));
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(45deg, #fff, var(--primary-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }
        friend-link a::before {
            content: '🔗';
            margin-right: 0.8rem;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: white;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2d3748;
            color: #adb5bd;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                flex-direction: column;
                padding: 2rem;
                gap: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            }
            .main-nav.active ul {
                transform: translateY(0);
                opacity: 1;
            }
            .article-header h1 {
                font-size: 2.5rem;
            }
            .article-body h2 {
                font-size: 2rem;
            }
            .article-body h3 {
                font-size: 1.7rem;
            }
            .article-container {
                padding: 2rem;
            }
        }