:root {
            --primary-color: #4267B2;
            --secondary-color: #898F9C;
            --text-color: #333;
            --bg-color: #f9f9f9;
            --card-bg: #fff;
            --border-color: #e0e0e0;
            --hover-color: #f0f2f5;
        }

        [data-theme="dark"] {
            --primary-color: #1877F2;
            --secondary-color: #B0B3B8;
            --text-color: #E4E6EB;
            --bg-color: #18191A;
            --card-bg: #242526;
            --border-color: #3E4042;
            --hover-color: #3A3B3C;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: background-color 0.3s, color 0.3s;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header Styles */
        header {
            background-color: var(--card-bg);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            font-size: 24px;
            font-weight: 700;
        }

        .logo span:first-child {
            color: var(--primary-color);
            font-weight: bold;
        }

        .logo span:last-child {
            color: var(--secondary-color);
            font-weight: normal;
        }

        /* Desktop Navigation */
        .desktop-nav ul {
            display: flex;
            list-style: none;
        }

        .desktop-nav ul li {
            margin-left: 25px;
        }

        .desktop-nav ul li a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 5px;
            display: flex;
            align-items: center;
        }

        .desktop-nav ul li a i {
            margin-right: 8px;
        }

        .desktop-nav ul li a:hover {
            background-color: var(--hover-color);
            color: var(--primary-color);
        }

        /* Mobile Navigation */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 24px;
            cursor: pointer;
        }

        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--card-bg);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            padding: 20px;
            z-index: 99;
        }

        .mobile-nav.active {
            display: block;
        }

        .mobile-nav ul {
            list-style: none;
        }

        .mobile-nav ul li {
            margin-bottom: 15px;
        }

        .mobile-nav ul li a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            padding: 10px;
            border-radius: 5px;
            display: block;
        }

        .mobile-nav ul li a:hover {
            background-color: var(--hover-color);
            color: var(--primary-color);
        }

        .theme-toggle {
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 20px;
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: 20px;
        }

        .theme-toggle:hover {
            background-color: var(--hover-color);
        }

        .header-actions {
            display: flex;
            align-items: center;
        }

        /* Hero Section */
        .hero {
            position: relative;
            height: 160px;
            display: flex;
            align-items: center;
            text-align:center;
            background-color: #4267B2;
            background:white;
        }

        [data-theme="dark"] .hero {
            background-color: #1877F2;
            background-image: linear-gradient(135deg, #1877F2 0%, #0e5cad 100%);
        }

        .hero .container {
            width: 100%;text-align:center;
        }

        .hero h1 {
            font-size: 2.2rem;
            margin-bottom: 10px;
            color: #4166B0;
            font-family: "Exo 2", sans-serif;
        }

        .hero p {
            font-size: 1rem;
            max-width: 100%;
            color: #707070;
            font-family: "Exo 2", sans-serif;
            text-align:center;
        }

        /* Sections */
        section {
            padding: 60px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 40px;
            font-size: 2rem;
            color: var(--primary-color);
        }

        /* Alternate Section Backgrounds */
        .section-bg-1 {
            background-color: white;
        }

        .section-bg-2 {
            background:#f5f5fa;
        }

        /* Tool Section */
        .tool-section {
            background-color: var(--card-bg);
            border-radius: 0;
            padding: 5px;
            margin: 0 auto;
        }

        .tool-placeholder {
            text-align: center;
            padding: 60px 0;
            color: var(--secondary-color);
            font-style: italic;
        }

        /* Steps Section */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .step-card {
            background-color: var(--card-bg);
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
        }

        .step-number {
            display: inline-block;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 20px;
        }

        .step-card h3 {
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        /* Info Section */
        .article-content {
            max-width: 800px;
            margin: 0 auto 50px;
            line-height: 1.8;
        }

        .article-content p {
            margin-bottom: 20px;
        }

        .features-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--border-color);
        }

        .feature-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .feature-icon {
            font-size: 24px;
            color: var(--primary-color);
            margin-right: 20px;
            flex-shrink: 0;
        }

        .feature-content h3 {
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        /* FAQ Section */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--card-bg);
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 15px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
        }

        .faq-answer {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* Footer */
        footer {
            background-color: var(--card-bg);
            padding: 50px 0 20px;
            border-top: 1px solid var(--border-color);
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            margin-bottom: 20px;
            color: var(--primary-color);
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 10px;
        }

        .footer-column ul li a {
            text-decoration: none;
            color: var(--secondary-color);
        }

        .footer-column ul li a:hover {
            color: var(--primary-color);
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--secondary-color);
        }

        /* Responsive Styles */
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .header-actions {
                margin-left: auto;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            section {
                padding: 50px 0;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .tool-section {
                padding: 30px 20px;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }

            .hero p {
                font-size: 0.9rem;
            }

            .section-title {
                font-size: 1.5rem;
            }
        }
        /* Mobile Navigation */
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--card-bg);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            padding: 20px;
            z-index: 99;
        }

        .mobile-nav.show {
            display: block;
        }