:root{--primary: #e74c3c;--primary-dark: #c0392b;--bg: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #252525;--text: #f5f5f5;--text-secondary: #a0a0a0;--border: #333;--accent: #ff6b6b}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--primary)}.navbar{background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;color:var(--text)}.logo-icon{font-size:1.5rem}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:var(--text-secondary);font-weight:500}.nav-links a:hover{color:var(--text)}.nav-actions{display:flex;gap:.5rem;align-items:center}.nav-btn{padding:.4rem .85rem;border-radius:6px;font-weight:600;font-size:.85rem;transition:all .2s}.nav-btn-course{border:1px solid #f39c12;color:#f39c12!important}.nav-btn-course:hover{background:#f39c12;color:var(--bg)!important}.service-btn{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);padding:.5rem 1rem;border-radius:6px;color:#fff;font-weight:500;border:none;cursor:pointer;font-size:.9rem;transition:all .2s}.service-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #e74c3c66}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;z-index:1000;justify-content:center;align-items:center}.modal.show{display:flex}.modal-content{background:var(--bg-secondary);padding:3rem 4rem;border-radius:20px;border:1px solid var(--border);max-width:480px;text-align:center;position:relative;animation:modalIn .3s ease;box-shadow:0 20px 60px #00000080}@keyframes modalIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;line-height:1}.modal-close:hover{color:var(--text)}.modal-content h3{margin-bottom:1rem;font-size:1.75rem}.modal-content>p{color:var(--text-secondary);margin-bottom:1.5rem;font-size:1.1rem}.modal-price{font-size:2rem!important;font-weight:700;color:var(--accent)!important;margin-bottom:1rem!important}.modal-price-desc{font-size:.9rem;font-weight:400;color:var(--text-secondary)}.modal-detail-link{display:inline-block;margin-top:1rem;color:var(--accent);font-size:.9rem;font-weight:500}.modal-detail-link:hover{text-decoration:underline}.modal-qr{width:240px;height:240px;border-radius:12px;margin-bottom:1rem;box-shadow:0 4px 20px #0000004d}.modal-hint{color:var(--text-secondary);font-size:.9rem;margin-bottom:1.5rem}.modal-features{display:grid;grid-template-columns:repeat(2,auto);justify-content:center;gap:.5rem 1rem;margin-bottom:1.5rem}.modal-feature{background:#2ecc711a;color:#2ecc71;padding:.5rem 1rem;border-radius:20px;font-size:.85rem}main{min-height:calc(100vh - 200px)}.footer{background:var(--bg-secondary);border-top:1px solid var(--border);margin-top:4rem;padding:3rem 0 2rem}.footer-container{max-width:1200px;margin:0 auto;padding:0 2rem}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:2rem}.footer-section h4{margin-bottom:1rem;color:var(--text)}.footer-section p,.footer-section li{color:var(--text-secondary);font-size:.9rem}.footer-section ul{list-style:none}.footer-section li{margin-bottom:.5rem}.contact-qr{width:120px;height:120px;border-radius:8px;margin:.5rem 0}.footer-link a{color:var(--accent);font-size:.9rem}.footer-bottom{border-top:1px solid var(--border);padding-top:1.5rem;text-align:center;color:var(--text-secondary);font-size:.85rem}.seo-text{margin-top:.5rem;font-size:.75rem;opacity:.5}@media (max-width: 768px){.nav-links{display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.footer-grid{grid-template-columns:1fr}}