:root{--primary-color:#0f67fe;--primary-dark:#0d59db;--secondary-color:#4facfe;--success-color:#10b981;--warning-color:#f59e0b;--danger-color:#ef4444;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-700:#374151;--gray-900:#111827}body{background-color:#f8fafc!important}.my-navbar{position:absolute!important;width:100%;background:0 0!important;border-bottom:none!important}@media (min-width:992px){.my-navbar .navbar-nav .nav-item .nav-link{color:rgba(255,255,255,.9)!important}.my-navbar .navbar-nav .active>.nav-link,.my-navbar .navbar-nav .nav-item.active .nav-link{color:#fbbf24!important;text-shadow:0 2px 4px rgba(0,0,0,.1)}}#faq{padding:0 0 60px}.doc-header{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:6rem 0 2rem;border-radius:0 0 16px 16px;box-shadow:0 6px 24px rgba(37,99,235,.2);margin-bottom:2.5rem}.logo-area{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.logo{display:flex;align-items:center;gap:20px}.logo-icon{font-size:3.5rem;line-height:1}.logo-text{display:flex;flex-direction:column;justify-content:center}.logo-text h1{font-size:2.2rem;font-weight:800;margin:0;line-height:1.2}.logo-text p{font-size:1.1rem;opacity:.9;margin:4px 0 0}.header-tag{background-color:rgba(255,255,255,.2);padding:6px 16px;border-radius:20px;font-size:.85rem;display:inline-block}.search-section{margin:35px auto;max-width:800px;position:relative;z-index:100}.search-box{position:relative}.search-input{width:100%;padding:1.2rem 1.5rem 1.2rem 3.5rem;font-size:1.1rem;border:2px solid var(--gray-200);border-radius:12px;background-color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.08);transition:.3s}.search-input:focus{outline:0;border-color:var(--primary-color);box-shadow:0 12px 30px rgba(37,99,235,.15)}.search-icon{position:absolute;left:1.2rem;top:50%;transform:translateY(-50%);color:var(--primary-color);font-size:1.2rem}.category-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-bottom:3rem}.category-btn{padding:.8rem 1.5rem;background-color:#fff;border:2px solid var(--gray-200);border-radius:50px;font-weight:600;color:var(--gray-700);cursor:pointer;transition:.3s;display:flex;align-items:center;gap:8px;box-shadow:0 2px 6px rgba(0,0,0,.04)}.category-btn:hover{background-color:#f0f7ff;border-color:var(--primary-color);color:var(--primary-color);transform:translateY(-2px)}.category-btn.active{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff;box-shadow:0 4px 12px rgba(15,103,254,.3)}.faq-list{display:flex;flex-direction:column;gap:20px}.faq-item{background:#fff;border-radius:16px;box-shadow:0 4px 12px rgba(0,0,0,.05);overflow:hidden;transition:.3s;border:1px solid var(--gray-200)}.faq-item:hover{box-shadow:0 8px 20px rgba(0,0,0,.1)}.faq-question{padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background-color:#fafbfc;transition:background-color .2s}.faq-question:hover{background-color:#f0f9ff}.question-text{font-size:1.15rem;font-weight:700;color:var(--gray-900);display:flex;align-items:center;gap:15px}.question-number{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0}.toggle-icon{color:var(--primary-color);font-size:1rem;transition:transform .3s}.faq-answer{padding:0;max-height:0;overflow:hidden;transition:.3s cubic-bezier(.4, 0, .2, 1);background-color:#fff}.faq-item.active .faq-answer{padding:1.5rem 2rem 2rem;max-height:2000px}.faq-item.active .toggle-icon{transform:rotate(180deg)}.answer-content{color:var(--gray-700);line-height:1.8}.answer-content p{margin-bottom:1.2rem}.answer-content strong{font-weight:700;color:var(--gray-900)}.answer-content ol,.answer-content ul{margin-left:1.2rem;margin-bottom:1.2rem;padding-left:0}.answer-content li{margin-bottom:.8rem;list-style-position:outside}.answer-content li:last-child{margin-bottom:0}.highlight-box{background-color:#f8fafc;border-left:4px solid var(--primary-color);padding:1.25rem;border-radius:8px;margin:1.5rem 0}.highlight-box.success{border-left-color:var(--success-color);background-color:#f0fdf4}.highlight-box.warning{border-left-color:var(--warning-color);background-color:#fffbeb}.recommendations{background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,.05);padding:3rem;margin:4rem 0;border:1px solid var(--gray-100)}.section-title{display:flex;align-items:center;gap:12px;color:var(--primary-dark);font-size:1.75rem;font-weight:800;margin-bottom:1rem}.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;margin-top:2rem}.device-card{background:#f8fafc;border-radius:12px;padding:1.5rem;transition:.3s;border:1px solid var(--gray-100);text-align:center}.device-card:hover{background:#fff;box-shadow:0 10px 20px rgba(0,0,0,.08);transform:translateY(-5px);border-color:var(--primary-color)}.device-icon{font-size:2rem;color:var(--primary-color);margin-bottom:1rem}.device-name{font-weight:700;margin-bottom:.5rem}.device-desc{font-size:.85rem;color:var(--text-muted)}.contact-card{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:20px;padding:4rem 2rem;text-align:center;margin:4rem 0;box-shadow:0 10px 25px rgba(15,103,254,.25)}.contact-btn{display:inline-block;background:#fff;color:var(--primary-color);padding:1rem 3rem;border-radius:50px;font-weight:700;margin-top:2rem;text-decoration:none;transition:.3s}.contact-btn:hover{transform:scale(1.05);box-shadow:0 10px 20px rgba(255,255,255,.2);color:var(--primary-dark)}@media (max-width:768px){.doc-header{padding:5rem 1rem 2rem}.logo-area{flex-direction:column;align-items:flex-start;gap:20px}.logo-text h1{font-size:1.5rem}.recommendations{padding:2rem 1rem}.category-nav{gap:8px}.category-btn{padding:.6rem 1rem;font-size:.85rem}}