:root {
            --primary: #FF6B35;
            --secondary: #2A9D8F;
            --accent: #E9C46A;
            --dark: #264653;
            --light: #F8F9FA;
            --text: #333333;
            --gray: #6C757D;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark) 0%, #1a2f38 100%);
            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;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo i {
            color: var(--primary);
        }
        .logo:hover {
            color: var(--primary);
            transform: scale(1.03);
            transition: var(--transition);
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.1);
            padding: 12px 20px;
            border-radius: var(--radius);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 30px;
            transition: var(--transition);
        }
        .nav-desktop a:hover, .nav-desktop a.active {
            background: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: var(--dark);
            padding: 2rem;
            transition: var(--transition);
            z-index: 1001;
            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 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            color: var(--accent);
        }
        .close-nav {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            position: absolute;
            top: 20px;
            right: 20px;
            cursor: pointer;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
        }
        .overlay.active {
            display: block;
        }
        main {
            padding: 2rem 0 4rem;
        }
        article {
            background: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            color: var(--dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--primary);
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        h3 {
            color: var(--primary);
            font-size: 1.5rem;
            margin: 1.8rem 0 1rem;
        }
        .meta {
            display: flex;
            gap: 20px;
            margin-bottom: 2rem;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .highlight-box {
            background: linear-gradient(to right, #f8f9fa, #e9f7fe);
            border-left: 5px solid var(--secondary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 2.5rem 0;
        }
        .code-card {
            background: white;
            border: 2px dashed var(--accent);
            border-radius: var(--radius);
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition);
        }
        .code-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .code {
            font-family: monospace;
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary);
            margin: 10px 0;
            letter-spacing: 2px;
        }
        .reward {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .btn-copy {
            background: var(--dark);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            margin-top: 10px;
        }
        .btn-copy:hover {
            background: var(--primary);
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .step-guide {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .step {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            position: relative;
            border-top: 5px solid var(--accent);
        }
        .step-number {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        .interactive-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            border-radius: var(--radius);
            padding: 2.5rem;
            margin: 3rem 0;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 2rem auto;
        }
        .search-box input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--secondary);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary);
        }
        .rating {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
            margin: 2rem 0;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 2rem;
            color: #FFD700;
            cursor: pointer;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group input, .form-group textarea {
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
        }
        .btn-submit {
            background: linear-gradient(to right, var(--primary), #FF8C42);
            color: white;
            border: none;
            padding: 16px 30px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .btn-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 107, 53, 0.3);
        }
        .longtail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 3rem 0;
        }
        .web-link {
            background: white;
            padding: 15px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .web-link a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 10px;
            border-radius: 6px;
            background: #f8f9fa;
            transition: var(--transition);
        }
        .web-link a:hover {
            background: var(--accent);
            color: var(--dark);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .bold {
            font-weight: 800;
            color: var(--dark);
        }
        .text-primary {
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        @media (max-width: 768px) {
            article {
                padding: 1.5rem;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
            .step-guide {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 1.5rem;
            }
        }