.faq-hero{background:linear-gradient(135deg,#0a0a0a 0,#1a1a2e 50%,#16213e 100%);padding:120px 0 80px;text-align:center;position:relative;overflow:hidden}.back-button-container{margin-bottom:2rem;text-align:left}.back-button{display:inline-flex;align-items:center;gap:.5rem;color:#4a90e2;text-decoration:none;font-weight:500;font-size:.9rem;padding:.75rem 1.5rem;border:1px solid #4a90e2;border-radius:25px;background:rgba(74,144,226,0.1);transition:all .3s ease;position:relative;overflow:hidden}.back-button::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(74,144,226,0.2),transparent);transition:left .5s ease}.back-button:hover::before{left:100%}.back-button:hover{background:#4a90e2;color:#fff;transform:translateY(-2px);box-shadow:0 4px 15px rgba(74,144,226,0.3);text-decoration:none}.back-button svg{transition:transform .3s ease}.back-button:hover svg{transform:translateX(-2px)}.faq-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svgxmlns="http://www.w3.org/2000/svg"viewBox="00100100"><defs><patternid="grid"width="10"height="10"patternUnits="userSpaceOnUse"><pathd="M100L00010"fill="none"stroke="%23ffffff"stroke-width="0.5"opacity="0.1"/></pattern></defs><rectwidth="100"height="100"fill="url(%23grid)"/></svg>');opacity:.1}.faq-title{font-size:3.5rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(45deg,#4a90e2,#00cc6a,#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;z-index:2}.faq-subtitle{font-size:1.2rem;color:#ccc;position:relative;z-index:2}.tech-requirements{padding:80px 0;background:linear-gradient(135deg,#0a0a0a 0,#1a1a1a 100%);position:relative}.tech-description{font-size:1.1rem;color:#ccc;text-align:center;margin-bottom:3rem;max-width:800px;margin-left:auto;margin-right:auto}.download-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.download-item{background:rgba(255,255,255,0.03);border-radius:12px;padding:2rem;border:1px solid rgba(255,255,255,0.1);backdrop-filter:blur(10px);transition:all .3s ease}.download-item:hover{transform:translateY(-5px);border-color:#4a90e2;box-shadow:0 10px 30px rgba(0,255,136,0.2)}.download-item h3{color:#4a90e2;font-size:1.2rem;font-weight:600;margin-bottom:1.5rem;text-align:center}.download-btn{display:inline-block;background:linear-gradient(135deg,#4a90e2,#357abd);color:#fff !important;text-decoration:none !important;padding:12px 24px;border-radius:8px;font-weight:600;font-size:.9rem;margin:.5rem;transition:all .3s ease;box-shadow:0 4px 15px rgba(74,144,226,0.3);position:relative;overflow:hidden}.download-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);transition:left .5s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(74,144,226,0.5);color:#fff !important;text-decoration:none !important}.download-btn:hover::before{left:100%}.download-btn:visited{color:#fff !important;text-decoration:none !important}.download-btn:active{color:#fff !important;text-decoration:none !important}.troubleshooting-steps{margin-top:4rem;max-width:1000px;margin-left:auto;margin-right:auto}.troubleshooting-steps h3{color:#4a90e2;font-size:1.5rem;font-weight:600;text-align:center;margin-bottom:2rem}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.step-item{display:flex;align-items:flex-start;background:rgba(255,255,255,0.03);border-radius:12px;padding:1.5rem;border:1px solid rgba(255,255,255,0.1);backdrop-filter:blur(10px);transition:all .3s ease}.step-item:hover{transform:translateY(-3px);border-color:#4a90e2;box-shadow:0 8px 25px rgba(0,255,136,0.15)}.step-number{background:linear-gradient(135deg,#4a90e2,#357abd);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;margin-right:1rem;flex-shrink:0}.step-content h4{color:#fff;font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.step-content p{color:#ccc;font-size:.9rem;line-height:1.5;margin:0}.faq-content{padding:80px 0;background:#0a0a0a}.faq-search{margin-bottom:3rem;text-align:center}.search-input{width:100%;max-width:500px;padding:1rem 1.5rem;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:25px;color:#fff;font-size:1rem;transition:all .3s ease}.search-input:focus{outline:0;border-color:#4a90e2;box-shadow:0 0 0 3px rgba(0,255,136,0.1)}.search-input::placeholder{color:#888}.faq-categories{display:flex;flex-direction:column;gap:2rem}.faq-category{background:rgba(255,255,255,0.03);border-radius:20px;border:1px solid rgba(255,255,255,0.1);overflow:hidden;transition:all .3s ease}.faq-category:hover{border-color:#4a90e2;box-shadow:0 10px 30px rgba(0,255,136,0.1)}.category-header{padding:2rem;background:rgba(255,255,255,0.05);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .3s ease}.category-header:hover{background:rgba(255,255,255,0.08)}.category-title{font-size:1.5rem;font-weight:600;color:#fff;margin:0}.category-icon{font-size:1.5rem;color:#4a90e2;transition:transform .3s ease}.category-header.active .category-icon{transform:rotate(180deg)}.category-content{max-height:0;overflow:hidden;transition:max-height .3s ease}.category-content.active{max-height:2000px}.faq-items{padding:0 2rem 2rem}.faq-item{border-bottom:1px solid rgba(255,255,255,0.1);padding:1.5rem 0}.faq-item:last-child{border-bottom:0}.faq-question{font-size:1.1rem;font-weight:600;color:#fff;margin-bottom:1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:color .3s ease}.faq-question:hover{color:#4a90e2}.faq-question-icon{font-size:1.2rem;color:#4a90e2;transition:transform .3s ease}.faq-question.active .faq-question-icon{transform:rotate(180deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;color:#ccc;line-height:1.6}.faq-answer.active{max-height:500px;padding-top:1rem}.faq-answer p{margin-bottom:1rem}.faq-answer p:last-child{margin-bottom:0}.faq-answer ul{margin:1rem 0;padding-left:2rem}.faq-answer li{margin-bottom:.5rem}.loading{display:flex;justify-content:center;align-items:center;padding:4rem 0}.loading-spinner{width:40px;height:40px;border:4px solid rgba(255,255,255,0.1);border-left:4px solid #4a90e2;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.empty-state{text-align:center;padding:4rem 0;color:#888}.empty-state h3{font-size:1.5rem;margin-bottom:1rem;color:#ccc}@media(max-width:768px){.faq-title{font-size:2.5rem}.category-header{padding:1.5rem}.faq-items{padding:0 1.5rem 1.5rem}.faq-item{padding:1rem 0}.faq-question{font-size:1rem}}@media(max-width:480px){.search-input{padding:.8rem 1rem;font-size:.9rem}.category-title{font-size:1.3rem}.faq-question{font-size:.95rem}}