* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f8fafc;
        }

        .p2twi-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }

        .p2twi-nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            height: 70px;
        }

        .p2twi-logo img {
            height: 40px;
            width: auto;
        }

        .p2twi-menu-toggle {
            display: none;
            flex-direction: column;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .p2twi-menu-toggle span {
            width: 25px;
            height: 3px;
            background: #333;
            margin: 3px 0;
            transition: 0.3s;
        }

        .p2twi-nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        .p2twi-nav-menu a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

        .p2twi-nav-menu a:hover {
            color: #007bff;
        }

        .p2twi-nav-menu a.active {
            color: #007bff;
        }

        .p2twi-nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            right: 0;
            height: 2px;
            background: #007bff;
        }

        .p2twi-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }

        .p2twi-main {
            margin-top: 70px;
            min-height: calc(100vh - 70px);
        }

        .p2twi-hero-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .p2twi-hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('images/features.jpg') center/cover;
            opacity: 0.1;
            z-index: 0;
        }

        .p2twi-hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        .p2twi-hero-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(45deg, #fff, #e0e7ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .p2twi-hero-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 30px;
        }

        .p2twi-search-box {
            max-width: 500px;
            margin: 0 auto;
            position: relative;
        }

        .p2twi-search-input {
            width: 100%;
            padding: 15px 50px 15px 20px;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .p2twi-search-btn {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: #007bff;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .p2twi-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .p2twi-support-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 60px 0;
        }

        .p2twi-support-main {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .p2twi-support-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .p2twi-quick-links {
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        }

        .p2twi-quick-links h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #333;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .p2twi-quick-link {
            display: block;
            padding: 12px 15px;
            text-decoration: none;
            color: #666;
            border-radius: 10px;
            transition: all 0.3s;
            margin-bottom: 8px;
            border-left: 3px solid transparent;
        }

        .p2twi-quick-link:hover {
            background: #f8fafc;
            color: #007bff;
            border-left-color: #007bff;
            transform: translateX(5px);
        }

        .p2twi-contact-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 20px;
            padding: 30px;
            text-align: center;
        }

        .p2twi-contact-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        .p2twi-contact-card p {
            opacity: 0.9;
            margin-bottom: 20px;
        }

        .p2twi-contact-btn {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
            padding: 12px 25px;
            border-radius: 25px;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
            backdrop-filter: blur(10px);
        }

        .p2twi-contact-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        .p2twi-tabs {
            display: flex;
            background: #f8fafc;
            border-radius: 15px 15px 0 0;
            overflow: hidden;
        }

        .p2twi-tab {
            flex: 1;
            padding: 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: #666;
            transition: all 0.3s;
            position: relative;
        }

        .p2twi-tab.active {
            background: white;
            color: #007bff;
        }

        .p2twi-tab.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: #007bff;
        }

        .p2twi-tab-content {
            padding: 40px;
            display: none;
        }

        .p2twi-tab-content.active {
            display: block;
        }

        .p2twi-faq-section h2 {
            font-size: 2rem;
            margin-bottom: 30px;
            color: #333;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .p2twi-faq-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .p2twi-faq-item {
            border: 1px solid #e2e8f0;
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .p2twi-faq-item:hover {
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            border-color: #007bff;
        }

        .p2twi-faq-question {
            width: 100%;
            padding: 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: #333;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s;
        }

        .p2twi-faq-question:hover {
            background: #f8fafc;
        }

        .p2twi-faq-icon {
            font-size: 20px;
            transition: transform 0.3s;
        }

        .p2twi-faq-item.active .p2twi-faq-icon {
            transform: rotate(45deg);
        }

        .p2twi-faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s;
            background: #f8fafc;
        }

        .p2twi-faq-item.active .p2twi-faq-answer {
            padding: 20px;
            max-height: 500px;
        }

        .p2twi-guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .p2twi-guide-card {
            background: #f8fafc;
            border-radius: 15px;
            padding: 25px;
            border-left: 4px solid #007bff;
            transition: all 0.3s;
        }

        .p2twi-guide-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .p2twi-guide-card h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: #333;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .p2twi-guide-steps {
            list-style: none;
            counter-reset: step-counter;
        }

        .p2twi-guide-steps li {
            counter-increment: step-counter;
            margin-bottom: 10px;
            padding-left: 30px;
            position: relative;
            color: #666;
        }

        .p2twi-guide-steps li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            background: #007bff;
            color: white;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
        }

        .p2twi-download-section {
            margin-top: 40px;
        }

        .p2twi-download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .p2twi-download-card {
            background: white;
            border: 2px solid #e2e8f0;
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s;
        }

        .p2twi-download-card:hover {
            border-color: #007bff;
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
        }

        .p2twi-download-icon {
            font-size: 3rem;
            margin-bottom: 15px;
        }

        .p2twi-download-card h4 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: #333;
        }

        .p2twi-download-info {
            color: #666;
            font-size: 14px;
            margin-bottom: 20px;
        }

        .p2twi-download-btn {
            background: #007bff;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 25px;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
            font-weight: 500;
        }

        .p2twi-download-btn:hover {
            background: #0056b3;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
        }

        .p2twi-contact-section {
            margin-top: 40px;
        }

        .p2twi-contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .p2twi-contact-method {
            background: white;
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            border: 2px solid #e2e8f0;
            transition: all 0.3s;
        }

        .p2twi-contact-method:hover {
            border-color: #007bff;
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
        }

        .p2twi-contact-method .p2twi-contact-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            color: #007bff;
        }

        .p2twi-contact-method h4 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: #333;
        }

        .p2twi-contact-method p {
            color: #666;
            margin-bottom: 20px;
        }

        .p2twi-footer {
            background: #1a202c;
            color: white;
            padding: 60px 0 30px;
            margin-top: 80px;
        }

        .p2twi-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .p2twi-footer-section h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: #007bff;
        }

        .p2twi-footer-section p,
        .p2twi-footer-section a {
            color: #a0aec0;
            text-decoration: none;
            line-height: 1.8;
            transition: color 0.3s;
        }

        .p2twi-footer-section a:hover {
            color: white;
        }

        .p2twi-footer-bottom {
            border-top: 1px solid #2d3748;
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            color: #718096;
        }

        @media (max-width: 768px) {
            .p2twi-menu-toggle {
                display: flex;
            }

            .p2twi-nav-menu {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
                z-index: 1001;
            }

            .p2twi-nav-menu.active {
                display: flex;
            }

            .p2twi-nav-overlay.active {
                display: block;
            }

            .p2twi-hero-title {
                font-size: 2rem;
            }

            .p2twi-support-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 40px 0;
            }

            .p2twi-support-sidebar {
                order: -1;
            }

            .p2twi-tabs {
                flex-direction: column;
            }

            .p2twi-tab-content {
                padding: 20px;
            }

            .p2twi-guide-grid,
            .p2twi-download-grid,
            .p2twi-contact-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .p2twi-hero-title {
                font-size: 1.8rem;
            }

            .p2twi-hero-subtitle {
                font-size: 1rem;
            }

            .p2twi-quick-links,
            .p2twi-contact-card {
                padding: 20px;
            }

            .p2twi-tab-content {
                padding: 15px;
            }
        }