:root {
            --primary: #0066ff;
            --secondary: #7000ff;
            --accent: #00d2ff;
            --bg-light: #f8faff;
            --text-main: #1a1e26;
            --text-muted: #666e7a;
            --white: #ffffff;
            --gradient: linear-gradient(135deg, #0066ff 0%, #7000ff 100%);
            --shadow: 0 10px 30px rgba(0, 102, 255, 0.1);
            --container-w: 1200px;
        }

        * { 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: var(--text-main); background: var(--bg-light); scroll-behavior: smooth; overflow-x: hidden; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; }
        img { display: block; max-width: 100%; height: auto; }

        .container { width: 92%; max-width: var(--container-w); margin: 0 auto; position: relative; }
        .section-padding { padding: 80px 0; }
        .flex { display: flex; align-items: center; }
        .grid { display: grid; gap: 24px; }

        /* Header */
        header { height: 70px; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
        .nav-wrap { height: 100%; justify-content: space-between; }
        .logo-box .ai-page-logo { height: 40px; }
        .nav-links { gap: 24px; }
        .nav-links a:hover { color: var(--primary); }
        .mobile-toggle { display: none; font-size: 24px; cursor: pointer; }

        /* Hero Section - No Image */
        .hero { min-height: 90vh; background: var(--gradient); color: var(--white); display: flex; align-items: center; position: relative; padding-top: 100px; padding-bottom: 100px; text-align: center; overflow: hidden; }
        .hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%); animation: drift 20s infinite linear; }
        @keyframes drift { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
        .hero-content { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; }
        .hero-h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.2; margin-bottom: 24px; font-weight: 800; }
        .hero-p { font-size: 1.25rem; opacity: 0.9; margin-bottom: 40px; }
        .hero-btns { gap: 20px; justify-content: center; }
        .btn { padding: 14px 32px; border-radius: 50px; font-weight: 600; cursor: pointer; border: none; transition: 0.3s transform, 0.3s box-shadow; }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
        .btn-primary { background: var(--white); color: var(--primary); }
        .btn-outline { background: transparent; border: 2px solid var(--white); color: var(--white); }

        /* Stats Section */
        .stats { margin-top: -60px; z-index: 5; }
        .stats-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); background: var(--white); padding: 40px; border-radius: 20px; box-shadow: var(--shadow); }
        .stat-item { text-align: center; }
        .stat-num { font-size: 2.5rem; font-weight: 800; color: var(--primary); display: block; }
        .stat-label { color: var(--text-muted); font-size: 0.9rem; }

        /* Section Header */
        .sec-title-box { text-align: center; margin-bottom: 60px; }
        .sec-title-box h2 { font-size: 2rem; margin-bottom: 15px; position: relative; display: inline-block; padding-bottom: 10px; }
        .sec-title-box h2::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 50px; height: 4px; background: var(--primary); transform: translateX(-50%); border-radius: 2px; }
        .sec-desc { color: var(--text-muted); max-width: 700px; margin: 0 auto; }

        /* Cards Style */
        .card { background: var(--white); padding: 30px; border-radius: 16px; transition: 0.4s; border: 1px solid #edf2f7; }
        .card:hover { transform: translateY(-10px); box-shadow: var(--shadow); border-color: transparent; }
        .card-icon { font-size: 40px; margin-bottom: 20px; display: inline-block; }
        .card-h3 { font-size: 1.25rem; margin-bottom: 15px; }

        /* Solutions Grid */
        .sol-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

        /* Comparison Table */
        .table-container { overflow-x: auto; background: var(--white); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); }
        table { width: 100%; border-collapse: collapse; min-width: 800px; }
        th, td { padding: 20px; text-align: left; border-bottom: 1px solid #f0f4f8; }
        th { background: #f8faff; color: var(--primary); font-weight: 700; }
        .badge-pro { background: var(--gradient); color: #fff; padding: 4px 12px; border-radius: 4px; font-size: 12px; }

        /* Price Tags */
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
        .tag { background: #fff; border: 1px solid #ddd; padding: 8px 20px; border-radius: 30px; font-size: 0.9rem; cursor: default; transition: 0.3s; }
        .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item { background: #fff; margin-bottom: 15px; border-radius: 12px; border: 1px solid #eef2f6; overflow: hidden; }
        .faq-quest { padding: 20px; cursor: pointer; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
        .faq-quest::after { content: '+'; font-size: 20px; transition: 0.3s; }
        .faq-item.active .faq-quest::after { transform: rotate(45deg); }
        .faq-ans { padding: 0 20px; max-height: 0; overflow: hidden; transition: 0.3s; color: var(--text-muted); background: #fafcfe; }
        .faq-item.active .faq-ans { padding: 0 20px 20px; max-height: 200px; }

        /* Reviews */
        .review-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
        .rev-card { position: relative; }
        .rev-user { margin-top: 20px; align-items: center; gap: 12px; }
        .rev-avatar { width: 40px; height: 40px; border-radius: 50%; background: #e0e7ff; display: flex; align-items: center; justify-content: center; font-weight: bold; color: var(--primary); }

        /* Form Section */
        .form-section { background: #fff; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); }
        .form-info { background: var(--gradient); color: #fff; padding: 40px; }
        .form-body { padding: 40px; }
        .form-group { margin-bottom: 20px; }
        .form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
        .form-control { width: 100%; padding: 12px 16px; border: 1px solid #e1e8f0; border-radius: 8px; outline: none; }
        .form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,102,255,0.1); }
        .submit-btn { width: 100%; background: var(--gradient); color: #fff; border: none; padding: 16px; border-radius: 8px; font-weight: 700; cursor: pointer; }

        /* Footer */
        footer { background: #111827; color: #9ca3af; padding: 80px 0 30px; }
        .footer-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; border-bottom: 1px solid #374151; padding-bottom: 50px; }
        .footer-h4 { color: #fff; margin-bottom: 24px; font-size: 1.1rem; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: #fff; }
        .qr-box { text-align: center; }
        .qr-box img { width: 120px; margin: 0 auto 10px; border-radius: 8px; }
        .copyright { text-align: center; padding-top: 30px; font-size: 0.85rem; }
        
        .float-box { position: fixed; right: 20px; bottom: 30px; display: flex; flex-direction: column; gap: 10px; z-index: 100; }
        .float-btn { width: 50px; height: 50px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(0,0,0,0.1); cursor: pointer; }
        .float-btn:hover { background: var(--primary); color: #fff; }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .hero-btns { flex-direction: column; }
            .stats-grid { padding: 20px; }
            .form-section { border-radius: 0; }
        }