:root{--primary: #4361ee;--primary-dark: #3a0ca3;--primary-deep: #3a0ca3;--primary-glow: rgba(67, 97, 238, 0.25);--primary-soft: rgba(67, 97, 238, 0.12);--secondary: #7209b7;--secondary-soft: #a855f7;--accent: #4cc9f0;--success: #06d6a0;--warning: #ff9f1c;--danger: #ef476f;--dark: #0f172a;--dark-card: #1e293b;--dark-border: rgba(255, 255, 255, 0.08);--bg-card: #1e293b;--border: rgba(255, 255, 255, 0.08);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--glass-bg: rgba(255, 255, 255, 0.06);--glass-border: rgba(255, 255, 255, 0.1);--shadow: 0 4px 24px rgba(0, 0, 0, 0.3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);--shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.4);--shadow-glow: 0 8px 40px rgba(67, 97, 238, 0.12);--shadow-medium: 0 4px 24px rgba(0, 0, 0, 0.3);--radius-xs: 8px;--radius-sm: 12px;--radius-md: 16px;--radius-lg: 20px;--radius-xl: 28px;--transition: all 0.25s ease}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}body{font-family:"Plus Jakarta Sans",system-ui,-apple-system,sans-serif;background:var(--dark);color:var(--text-primary);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:"Space Grotesk","Plus Jakarta Sans",sans-serif;font-weight:700;line-height:1.2}a{color:var(--primary-soft);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary)}img{max-width:100%;height:auto}.ambient-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}.ambient-bg .orb{position:absolute;border-radius:50%;filter:blur(120px);opacity:.4}.ambient-bg .orb-1{width:600px;height:600px;background:var(--primary);top:-200px;left:-150px;animation:orbFloat 20s ease-in-out infinite}.ambient-bg .orb-2{width:500px;height:500px;background:var(--secondary);bottom:-200px;right:-100px;animation:orbFloat 25s ease-in-out infinite reverse}.ambient-bg .orb-3{width:350px;height:350px;background:var(--accent);top:50%;left:50%;transform:translate(-50%, -50%);animation:orbFloat 18s ease-in-out infinite 3s;opacity:.2}@keyframes orbFloat{0%,100%{transform:translate(0, 0) scale(1)}33%{transform:translate(40px, -30px) scale(1.05)}66%{transform:translate(-20px, 20px) scale(0.95)}}.grid-pattern{position:fixed;inset:0;z-index:-1;background-image:linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);background-size:60px 60px;pointer-events:none}.breadcrumbs-bar{padding:56px 0;border-bottom:1px solid var(--dark-border);background:rgba(15,15,26,.6);backdrop-filter:blur(12px)}.breadcrumbs-list{display:flex;align-items:center;flex-wrap:wrap;gap:0;list-style:none;padding:0;margin:0}.breadcrumbs-list li{display:flex;align-items:center;gap:0}.breadcrumbs-list li a{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);text-decoration:none;font-size:.85rem;font-weight:500;padding:6px 0;transition:var(--transition)}.breadcrumbs-list li a:hover{color:var(--primary-soft)}.breadcrumbs-list li a i{font-size:.9rem}.breadcrumbs-list .bc-separator{margin:0 10px;color:var(--text-muted);font-size:.7rem;opacity:.5}.breadcrumbs-list .bc-current{color:var(--text-secondary);font-size:.85rem;font-weight:600;padding:6px 0}.hero{padding:140px 0 100px;position:relative}.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(108,92,231,.12);border:1px solid rgba(108,92,231,.25);padding:8px 20px;border-radius:50px;font-size:.85rem;font-weight:600;color:var(--primary-soft);margin-bottom:28px;letter-spacing:.02em}.hero-eyebrow i{font-size:1rem}.hero-title{font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:800;letter-spacing:-0.03em;margin-bottom:24px;line-height:1.08}.hero-title .highlight{background:linear-gradient(135deg, var(--primary-soft) 0%, var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text}.hero-desc{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-secondary);max-width:560px;margin-bottom:36px;line-height:1.75}.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}.hero-chip{display:inline-flex;align-items:center;gap:6px;background:var(--glass-bg);backdrop-filter:blur(12px);border:1px solid var(--glass-border);padding:8px 16px;border-radius:50px;font-size:.85rem;font-weight:500;color:var(--text-secondary)}.hero-chip i{font-size:1rem;color:var(--primary-soft)}.hero-cta-group{display:flex;flex-wrap:wrap;gap:14px}.btn-primary-custom{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);color:#fff;border:none;padding:15px 32px;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;cursor:pointer;transition:var(--transition);box-shadow:0 4px 25px var(--primary-glow);text-decoration:none;position:relative;overflow:hidden}.btn-primary-custom::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%);opacity:0;transition:opacity .3s}.btn-primary-custom:hover{transform:translateY(-2px);box-shadow:0 8px 35px rgba(108,92,231,.4);color:#fff}.btn-primary-custom:hover::after{opacity:1}.btn-primary-custom i{font-size:1.15rem}.btn-outline-custom{display:inline-flex;align-items:center;gap:10px;background:rgba(0,0,0,0);color:var(--text-primary);border:1.5px solid var(--glass-border);padding:15px 32px;border-radius:var(--radius-sm);font-weight:600;font-size:1rem;cursor:pointer;transition:var(--transition);text-decoration:none;backdrop-filter:blur(8px)}.btn-outline-custom:hover{border-color:var(--primary-soft);background:rgba(108,92,231,.08);color:var(--primary-soft);transform:translateY(-2px)}.btn-outline-custom i{font-size:1.15rem}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}.hero-visual-card{background:var(--glass-bg);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:32px;width:100%;max-width:380px;position:relative}.hero-visual-row{display:flex;align-items:center;gap:20px}.hero-file-badge{flex-shrink:0;width:64px;height:64px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.6rem}.hero-file-badge.tga-badge{background:linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(108, 92, 231, 0.05));color:var(--primary-soft);border:1px solid rgba(108,92,231,.2)}.hero-file-badge.pdf-badge{background:linear-gradient(135deg, rgba(0, 206, 201, 0.2), rgba(0, 206, 201, 0.05));color:var(--secondary-soft);border:1px solid rgba(0,206,201,.2)}.hero-file-info h5{font-size:.95rem;font-weight:700;margin-bottom:2px}.hero-file-info span{font-size:.8rem;color:var(--text-muted)}.hero-arrow-connector{display:flex;align-items:center;justify-content:center;padding:12px 0;position:relative}.hero-arrow-connector::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom, var(--glass-border), var(--primary-glow), var(--glass-border));transform:translateX(-50%)}.hero-arrow-connector i{font-size:1.4rem;color:var(--primary-soft);position:relative;z-index:1;background:var(--dark-card);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--glass-border);animation:arrowPulse 2s ease-in-out infinite}@keyframes arrowPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}.hero-float-badge{position:absolute;background:var(--glass-bg);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:10px 16px;font-size:.8rem;font-weight:600;color:var(--text-secondary);display:flex;align-items:center;gap:8px;white-space:nowrap;animation:floatBadge 4s ease-in-out infinite}.hero-float-badge i{color:var(--success);font-size:1rem}.hero-float-badge.badge-tl{top:-16px;left:-20px;animation-delay:0s}.hero-float-badge.badge-br{bottom:-16px;right:-20px;animation-delay:2s}@keyframes floatBadge{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}.converter-section{position:relative;z-index:10;margin-top:-30px;padding-bottom:80px}.converter-card{background:var(--glass-bg);backdrop-filter:blur(24px);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:clamp(28px,4vw,48px);box-shadow:var(--shadow-medium),var(--shadow-glow);position:relative;overflow:hidden}.converter-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg, var(--primary), var(--secondary), var(--accent))}.steps-bar{display:flex;align-items:center;justify-content:center;gap:0;margin-bottom:40px}.step-item{display:flex;align-items:center;gap:10px}.step-circle{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;background:hsla(0,0%,100%,.04);border:2px solid hsla(0,0%,100%,.08);color:var(--text-muted);transition:var(--transition);flex-shrink:0}.step-item.active .step-circle{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 0 20px var(--primary-glow)}.step-item.done .step-circle{background:var(--success);border-color:var(--success);color:#fff}.step-item.active .step-label{color:var(--text-primary)}.step-label{font-size:.85rem;font-weight:600;color:var(--text-muted);transition:var(--transition)}.step-connector{width:60px;height:2px;background:hsla(0,0%,100%,.06);margin:0 8px;position:relative;flex-shrink:0}.step-connector::after{content:"";position:absolute;left:0;top:0;height:100%;width:0;background:var(--primary);transition:width .5s ease;border-radius:1px}.step-connector.filled::after{width:100%}.upload-zone{border:2px dashed rgba(108,92,231,.3);border-radius:var(--radius-lg);padding:clamp(40px,6vw,80px) 24px;text-align:center;background:rgba(108,92,231,.03);transition:var(--transition);cursor:pointer;position:relative}.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:rgba(108,92,231,.08);box-shadow:inset 0 0 60px rgba(108,92,231,.05)}.upload-zone.dragover{transform:scale(1.01)}.upload-zone h4{font-size:1.2rem;font-weight:700;margin-bottom:8px}.upload-zone p{color:var(--text-muted);font-size:.9rem;margin-bottom:24px}.upload-zone-icon{width:72px;height:72px;margin:0 auto 24px;border-radius:50%;background:linear-gradient(135deg, var(--primary), var(--primary-deep));display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff;box-shadow:0 8px 30px var(--primary-glow);animation:uploadBounce 3s ease-in-out infinite}@keyframes uploadBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}.upload-meta{display:flex;justify-content:center;gap:24px;margin-bottom:28px;flex-wrap:wrap}.upload-meta span{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-muted)}.upload-meta i{color:var(--primary-soft);font-size:.95rem}.file-input-wrap{position:relative;display:inline-block}#file-upload{position:absolute;inset:0;opacity:0;cursor:pointer;z-index:2}.file-info-bar{background:rgba(0,184,148,.08);border:1px solid rgba(0,184,148,.2);border-radius:var(--radius-sm);padding:16px 20px;margin-top:20px;display:none;align-items:center;gap:14px;animation:slideUp .4s ease}.file-info-bar.show{display:flex}.file-info-bar i.fi-icon{font-size:1.4rem;color:var(--success);flex-shrink:0}.file-info-bar .fi-name{font-weight:700;font-size:.95rem}.file-info-bar .fi-details{display:flex;gap:16px;font-size:.82rem;color:var(--text-muted)}@keyframes slideUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.preview-panel{display:none;animation:slideUp .5s ease}.preview-panel.show{display:block}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.preview-header h3{font-size:1.15rem;font-weight:700;display:flex;align-items:center;gap:10px}.preview-header h3 i{color:var(--primary-soft);font-size:1.3rem}.btn-back{display:inline-flex;align-items:center;gap:6px;background:hsla(0,0%,100%,.04);border:1px solid var(--glass-border);color:var(--text-secondary);padding:8px 18px;border-radius:var(--radius-xs);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-back:hover{background:hsla(0,0%,100%,.08);color:var(--text-primary)}.preview-canvas-wrap{background:hsla(0,0%,100%,.03);border:1px solid var(--dark-border);border-radius:var(--radius-md);padding:32px;display:flex;align-items:center;justify-content:center;min-height:220px;margin-bottom:24px}#imagePreview{max-width:100%;max-height:300px;border-radius:var(--radius-xs);background:hsla(0,0%,100%,.02);image-rendering:pixelated}.settings-row{display:grid;grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));gap:16px;margin-bottom:24px}.setting-box{background:hsla(0,0%,100%,.03);border:1px solid var(--dark-border);border-radius:var(--radius-sm);padding:18px 20px;transition:var(--transition)}.setting-box:hover{border-color:rgba(108,92,231,.3);background:rgba(108,92,231,.04)}.setting-label{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem;margin-bottom:10px;color:var(--text-primary)}.setting-label i{color:var(--primary-soft);font-size:1.1rem}.setting-select{width:100%;padding:10px 14px;background:hsla(0,0%,100%,.04);border:1px solid var(--dark-border);border-radius:var(--radius-xs);color:var(--text-primary);font-size:.9rem;font-family:inherit;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%23A29BFE' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;transition:var(--transition)}.setting-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.setting-select option{background:var(--dark-card);color:var(--text-primary)}.btn-convert{width:100%;padding:18px;background:linear-gradient(135deg, var(--success), #00a884);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:700;font-size:1.05rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 4px 25px rgba(0,184,148,.25)}.btn-convert:hover{transform:translateY(-2px);box-shadow:0 8px 35px rgba(0,184,148,.35)}.btn-convert:disabled{opacity:.5;cursor:not-allowed;transform:none !important}.btn-convert i{font-size:1.2rem}.progress-panel{display:none;padding:32px;background:hsla(0,0%,100%,.03);border:1px solid var(--dark-border);border-radius:var(--radius-md);margin-top:24px;animation:slideUp .4s ease}.progress-panel.show{display:block}.progress-label{text-align:center;font-weight:600;margin-bottom:16px;font-size:.95rem}.progress-track{height:10px;background:hsla(0,0%,100%,.06);border-radius:5px;overflow:hidden;margin-bottom:12px}.progress-bar-fill{height:100%;width:0%;background:linear-gradient(90deg, var(--primary), var(--secondary));border-radius:5px;transition:width .5s cubic-bezier(0.34, 1.56, 0.64, 1);position:relative}.progress-bar-fill::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}.progress-hint{text-align:center;font-size:.8rem;color:var(--text-muted)}.result-panel{display:none;text-align:center;padding:48px 32px;background:linear-gradient(135deg, rgba(0, 184, 148, 0.1), rgba(0, 206, 201, 0.05));border:1px solid rgba(0,184,148,.2);border-radius:var(--radius-md);margin-top:24px;animation:slideUp .5s ease}.result-panel.show{display:block}.result-panel .result-icon{width:72px;height:72px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg, var(--success), #00a884);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;box-shadow:0 8px 30px rgba(0,184,148,.3)}.result-panel h4{font-size:1.5rem;margin-bottom:10px}.result-panel p{color:var(--text-secondary);margin-bottom:28px;font-size:1rem}.btn-reset{display:inline-flex;align-items:center;gap:10px;padding:14px 36px;background:hsla(0,0%,100%,.06);border:1px solid var(--glass-border);color:var(--text-primary);border-radius:var(--radius-sm);font-weight:700;font-size:1rem;cursor:pointer;transition:var(--transition)}.btn-reset:hover{background:hsla(0,0%,100%,.1);transform:translateY(-2px)}.btn-reset i{font-size:1.1rem}.content-block{padding:80px 0}.content-block+.content-block{border-top:1px solid var(--dark-border)}.block-header{text-align:center;margin-bottom:56px}.block-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;color:var(--primary-soft);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}.block-eyebrow i{font-size:.9rem}.block-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;letter-spacing:-0.02em;margin-bottom:16px}.block-title .hl{background:linear-gradient(135deg, var(--primary-soft), var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text}.block-desc{font-size:1.05rem;color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.75}.feature-card{background:var(--glass-bg);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:32px 28px;height:100%;transition:var(--transition);position:relative;overflow:hidden}.feature-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg, transparent, var(--primary), transparent);opacity:0;transition:opacity .3s}.feature-card:hover{border-color:rgba(108,92,231,.25);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.feature-card:hover::before{opacity:1}.feature-card:hover .fc-icon{transform:scale(1.08)}.fc-icon{width:52px;height:52px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:20px;transition:var(--transition)}.fc-icon.icon-primary{background:rgba(108,92,231,.12);color:var(--primary-soft)}.fc-icon.icon-secondary{background:rgba(0,206,201,.12);color:var(--secondary-soft)}.fc-icon.icon-accent{background:rgba(253,121,168,.12);color:var(--accent)}.fc-icon.icon-success{background:rgba(0,184,148,.12);color:var(--success)}.fc-icon.icon-warning{background:rgba(253,203,110,.12);color:var(--warning)}.fc-icon.icon-danger{background:rgba(225,112,85,.12);color:var(--danger)}.fc-title{font-size:1.1rem;font-weight:700;margin-bottom:10px}.fc-desc{font-size:.9rem;color:var(--text-secondary);line-height:1.7}.guide-card{background:var(--glass-bg);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:clamp(28px,4vw,52px)}.guide-card h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:28px}.guide-card h4{font-size:1.15rem;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:10px}.guide-card h4 i{color:var(--primary-soft);font-size:1.2rem}.guide-card p{color:var(--text-secondary);line-height:1.8;margin-bottom:16px}.guide-list{list-style:none;padding:0;margin-bottom:24px}.guide-list li{padding:10px 0;color:var(--text-secondary);display:flex;align-items:flex-start;gap:10px;font-size:.95rem;line-height:1.7;border-bottom:1px solid var(--dark-border)}.guide-list li:last-child{border-bottom:none}.guide-list li i{color:var(--success);font-size:1.1rem;margin-top:4px;flex-shrink:0}.guide-list li strong{color:var(--text-primary)}.guide-usecase-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:14px;margin-bottom:24px}@media(max-width: 768px){.guide-usecase-grid{grid-template-columns:repeat(2, 1fr)}}@media(max-width: 480px){.guide-usecase-grid{grid-template-columns:1fr}}.guide-usecase{background:hsla(0,0%,100%,.03);border:1px solid var(--dark-border);border-radius:var(--radius-sm);padding:18px;transition:var(--transition)}.guide-usecase:hover{border-color:rgba(108,92,231,.2);background:rgba(108,92,231,.04)}.guide-usecase h5{font-size:.95rem;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:8px}.guide-usecase h5 i{color:var(--primary-soft);font-size:1.1rem}.guide-usecase p{font-size:.85rem;margin-bottom:0}.guide-tips-list{list-style:none;padding:0;counter-reset:tips;margin-bottom:24px}.guide-tips-list li{padding:12px 0;padding-left:36px;position:relative;color:var(--text-secondary);font-size:.95rem;line-height:1.7;border-bottom:1px solid var(--dark-border)}.guide-tips-list li:last-child{border-bottom:none}.guide-tips-list li::before{counter-increment:tips;content:counter(tips);position:absolute;left:0;top:12px;width:24px;height:24px;border-radius:50%;background:rgba(108,92,231,.12);color:var(--primary-soft);font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center}.guide-tips-list li strong{color:var(--text-primary)}.guide-pro-tip{background:rgba(108,92,231,.06);border:1px solid rgba(108,92,231,.15);border-radius:var(--radius-sm);padding:20px 24px;display:flex;gap:14px;align-items:flex-start;margin-bottom:32px}.guide-pro-tip i{color:var(--primary-soft);font-size:1.3rem;margin-top:2px;flex-shrink:0}.guide-pro-tip h5{font-size:.95rem;font-weight:700;margin-bottom:6px}.guide-pro-tip p{font-size:.9rem;margin-bottom:0}.faq-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:var(--transition)}.faq-item:hover{border-color:rgba(108,92,231,.2)}.faq-item.open .faq-question .fq-icon{transform:rotate(45deg)}.faq-item.open .faq-answer{max-height:400px;padding:0 24px 20px}.faq-question{width:100%;padding:20px 24px;background:none;border:none;color:var(--text-primary);font-weight:600;font-size:.98rem;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;transition:var(--transition)}.faq-question:hover{background:hsla(0,0%,100%,.02)}.faq-question .fq-left{display:flex;align-items:center;gap:10px}.faq-question .fq-left i{font-size:1.15rem;flex-shrink:0;color:var(--primary-soft)}.faq-question .fq-icon{font-size:1.2rem;color:var(--primary-soft);transition:transform .3s;flex-shrink:0}.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding:0 24px}.faq-answer p{color:var(--text-secondary);font-size:.92rem;line-height:1.75}.related-tools-section{margin-top:40px}.content-card{background:var(--glass-bg) !important;backdrop-filter:blur(16px) !important;border:1px solid var(--glass-border) !important;box-shadow:var(--shadow-medium) !important}.content-card h2,.content-card h3{color:var(--text-primary) !important}.content-card p,.content-card li{color:var(--text-secondary) !important}.related-grid a.related-link{background:var(--glass-bg);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:16px 18px;text-decoration:none;color:var(--text-primary);font-weight:600;font-size:.9rem;transition:var(--transition);display:flex;align-items:center;gap:10px}.related-grid a.related-link:hover{border-color:rgba(108,92,231,.3);transform:translateY(-2px);box-shadow:var(--shadow-glow);color:var(--primary-soft)}.related-grid a.related-link i{font-size:1.1rem;color:var(--primary-soft);width:20px;text-align:center}.example-btn-wrap{text-align:center;margin-top:16px}.example-btn-wrap .btn-outline-custom{font-size:.9rem;padding:10px 24px}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));gap:16px}.tool-link{background:var(--glass-bg);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:28px 22px;text-decoration:none;color:var(--text-primary);text-align:center;transition:var(--transition);display:block;position:relative;overflow:hidden}.tool-link::before{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg, var(--primary), var(--secondary));opacity:0;transition:opacity .3s}.tool-link:hover{border-color:rgba(108,92,231,.3);transform:translateY(-4px);box-shadow:var(--shadow-glow);color:var(--text-primary)}.tool-link:hover::before{opacity:1}.tool-link:hover .tl-icon{transform:scale(1.1)}.tool-link .tl-icon{width:50px;height:50px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin:0 auto 16px;transition:var(--transition)}.tool-link .tl-title{font-size:.95rem;font-weight:700;margin-bottom:6px}.tool-link .tl-desc{font-size:.8rem;color:var(--text-muted);line-height:1.5}.tl-icon.tl-primary{background:rgba(108,92,231,.12);color:var(--primary-soft)}.tl-icon.tl-secondary{background:rgba(0,206,201,.12);color:var(--secondary-soft)}.tl-icon.tl-accent{background:rgba(253,121,168,.12);color:var(--accent)}.tl-icon.tl-success{background:rgba(0,184,148,.12);color:var(--success)}.tl-icon.tl-warning{background:rgba(253,203,110,.12);color:var(--warning)}.tl-icon.tl-danger{background:rgba(225,112,85,.12);color:var(--danger)}.loading-overlay{position:fixed;inset:0;z-index:99999;background:rgba(15,15,26,.85);backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}.loading-overlay.active{opacity:1;pointer-events:auto}.loading-spinner{width:48px;height:48px;border:4px solid var(--glass-border);border-top-color:var(--primary-soft);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:var(--text-secondary);font-size:1rem;font-weight:600}.notification{position:fixed;top:100px;right:20px;padding:14px 22px;border-radius:var(--radius-sm);color:#fff;font-weight:600;font-size:.9rem;z-index:99999;opacity:0;transform:translateX(100%);transition:all .35s ease;max-width:360px;box-shadow:var(--shadow-medium)}.notification.show{opacity:1;transform:translateX(0)}.notification.n-success{background:linear-gradient(135deg, var(--success), #00a884)}.notification.n-error{background:linear-gradient(135deg, var(--danger), #c0392b)}.notification.n-warning{background:linear-gradient(135deg, #e67e22, #d35400)}.notification.n-info{background:linear-gradient(135deg, var(--primary), var(--primary-deep))}.back-to-top{position:fixed;bottom:28px;right:28px;width:48px;height:48px;background:var(--primary);color:#fff;border:none;border-radius:50%;display:none;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;z-index:999;box-shadow:0 4px 20px var(--primary-glow);transition:var(--transition)}.back-to-top.show{display:flex;animation:slideUp .3s ease}.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(108,92,231,.5)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--dark)}::-webkit-scrollbar-thumb{background:var(--primary-deep);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}@media(max-width: 992px){.hero{padding:120px 0 80px}.hero-visual{margin-top:48px}.content-block{padding:60px 0}.step-connector{width:30px}.step-label{display:none}}@media(max-width: 768px){.hero{padding:110px 0 60px}.hero-chips{gap:8px}.hero-chip{font-size:.78rem;padding:6px 12px}.converter-card{padding:24px}.steps-bar{gap:0}.step-connector{width:20px;margin:0 4px}.step-circle{width:34px;height:34px;font-size:.8rem}.upload-zone{padding:32px 16px}.upload-meta{gap:14px}.settings-row{grid-template-columns:1fr}.tools-grid{grid-template-columns:repeat(auto-fill, minmax(170px, 1fr));gap:12px}.tool-link{padding:22px 16px}.guide-usecase-grid{grid-template-columns:1fr}.hero-float-badge{display:none}}#app-content[data-theme=light]{--bg-body: #f8fafc;--bg-card: #ffffff;--bg-elevated: #f1f5f9;--bg-hover: #e2e8f0;--text: #1e293b;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #94a3b8;--border: #e2e8f0;--dark: #1a1a2e;--gray: #6c757d;--glass-border: #e2e8f0;--shadow: 0 4px 24px rgba(67, 97, 238, 0.08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);--shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.1);--primary-light: rgba(67, 97, 238, 0.08);background:var(--bg-body);color:var(--text)}#app-content[data-theme=light] .hero{background:linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #f8fafc 100%)}#app-content[data-theme=light] .hero h1{background:linear-gradient(135deg, var(--text) 30%, var(--primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text}#app-content[data-theme=light] .breadcrumbs-bar{background:rgba(0,0,0,.04)}#app-content[data-theme=light] .converter-card{background:#fff}#app-content[data-theme=light] .upload-zone h3{color:var(--text)}#app-content[data-theme=light] .settings-group label{color:var(--text-secondary)}#app-content[data-theme=light] .settings-group select{background:#fff;color:var(--text);border-color:var(--border)}#app-content[data-theme=light] .feature-card{background:var(--bg-elevated)}#app-content[data-theme=light] .feature-card .fc-title{color:var(--text)}#app-content[data-theme=light] .feature-card .fc-desc{color:var(--text-secondary)}#app-content[data-theme=light] .guide-card{background:var(--bg-elevated)}#app-content[data-theme=light] .guide-usecase{background:var(--bg-elevated);border-color:var(--border)}#app-content[data-theme=light] .guide-usecase h5{color:var(--text)}#app-content[data-theme=light] .guide-usecase h5 i{color:var(--primary)}#app-content[data-theme=light] .block-eyebrow i{color:var(--primary)}#app-content[data-theme=light] .content-card{background:#fff}#app-content[data-theme=light] .result-card h4{color:var(--text)}#app-content[data-theme=light] .faq-question{background:var(--bg-elevated);color:var(--text)}#app-content[data-theme=light] .faq-answer{color:var(--text-secondary)}#app-content[data-theme=light] .tool-link{background:var(--bg-elevated)}#app-content[data-theme=light] .tool-link:hover{color:var(--text)}#app-content[data-theme=light] .block-header .block-title{color:var(--text)}#app-content[data-theme=light] .block-header .block-desc{color:var(--text-secondary)}#app-content[data-theme=light] .step-circle{background:var(--bg-hover);color:var(--text)}#app-content[data-theme=light] .step-label{color:var(--text-muted)}#app-content[data-theme=light] .loading-overlay{background:rgba(248,250,252,.9)}#app-content[data-theme=light] .loading-text{color:var(--text)}#app-content[data-theme=light] .progress-wrap{background:var(--bg-elevated)}#app-content[data-theme=light] ::-webkit-scrollbar-track{background:var(--bg-body)}#app-content[data-theme=light] ::-webkit-scrollbar-thumb{background:var(--text-muted)}#app-content[data-theme=light] #floatThemeToggle{background:var(--bg-card);color:var(--text-primary);border-color:var(--glass-border)}#floatThemeToggle{position:fixed;top:100px;right:20px;width:48px;height:48px;background:var(--bg-card);border:1px solid var(--glass-border);border-radius:50%;cursor:pointer;z-index:1000;display:flex;align-items:center;justify-content:center;color:var(--text-primary);font-size:1.2rem;box-shadow:var(--shadow);transition:all .3s}#floatThemeToggle:hover{background:var(--primary);color:#fff;border-color:var(--primary)}