:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-deep: #3730a3;
            --primary-light: #a5b4fc;
            --primary-glow: rgba(79,70,229,0.2);
            --primary-color: #4f46e5;
            --secondary: #0ea5e9;
            --secondary-soft: #7dd3fc;
            --secondary-glow: rgba(14,165,233,0.15);
            --accent: #06b6d4;
            --accent-glow: rgba(6,182,212,0.15);
            --success: #10b981;
            --success-color: #10b981;
            --warning: #f59e0b;
            --warning-color: #f59e0b;
            --danger: #ef4444;
            --danger-color: #ef4444;
            --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
            --secondary-gradient: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
            --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
            --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
            --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            --dark-gradient: linear-gradient(135deg, #09090b 0%, #18181b 100%);
            --dark: #09090b;
            --dark-card: #18181b;
            --dark-border: rgba(255,255,255,0.06);
            --bg-body: #09090b;
            --bg-card: #18181b;
            --bg-elevated: #1f1f23;
            --bg-hover: #27272a;
            --text: #fafafa;
            --text-primary: #fafafa;
            --text-secondary: #a1a1aa;
            --text-muted: #71717a;
            --border: rgba(255,255,255,0.06);
            --glass-bg: rgba(255,255,255,0.04);
            --glass-border: rgba(255,255,255,0.08);
            --light-color: #fafafa;
            --gray-100: #f4f4f5;
            --gray-200: #e4e4e7;
            --gray-300: #d4d4d8;
            --gray-400: #a1a1aa;
            --gray-500: #71717a;
            --shadow: 0 4px 24px rgba(0,0,0,0.4);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.35);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
            --shadow-xl: 0 30px 80px rgba(0,0,0,0.5);
            --shadow-glow: 0 8px 40px rgba(79,70,229,0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
*,*::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:0.4}
.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:0.2}
@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(9,9,11,0.6);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:0.85rem;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:0.9rem}
.breadcrumbs-list .bc-separator{margin:0 10px;color:var(--text-muted);font-size:0.7rem;opacity:0.5}
.breadcrumbs-list .bc-current{color:var(--text-secondary);font-size:0.85rem;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(79,70,229,0.12);border:1px solid rgba(79,70,229,0.25);padding:8px 20px;border-radius:50px;font-size:0.85rem;font-weight:600;color:var(--primary-soft);margin-bottom:28px;letter-spacing:0.02em}
.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:transparent;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:0.85rem;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:white;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 0.3s}
.btn-primary-custom:hover{transform:translateY(-2px);box-shadow:0 8px 35px rgba(79,70,229,0.4);color:white}
.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:transparent;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(79,70,229,0.08);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}
.RAW-badge{background:linear-gradient(135deg,rgba(79,70,229,0.2),rgba(79,70,229,0.05));color:var(--primary-soft);border:1px solid rgba(79,70,229,0.2)}
.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(0,206,201,0.2)}
.hero-file-info h5{font-size:0.95rem;font-weight:700;margin-bottom:2px}
.hero-file-info span{font-size:0.8rem;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:0.8rem;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:0.9rem;background:rgba(255,255,255,0.04);border:2px solid rgba(255,255,255,0.08);color:var(--text-muted);transition:var(--transition);flex-shrink:0}
.step-item.active .step-circle{background:var(--primary);border-color:var(--primary);color:white;box-shadow:0 0 20px var(--primary-glow)}
.step-item.done .step-circle{background:var(--success);border-color:var(--success);color:white}
.step-label{font-size:0.85rem;font-weight:600;color:var(--text-muted);transition:var(--transition)}
.step-item.active .step-label{color:var(--text-primary)}
.step-connector{width:60px;height:2px;background:rgba(255,255,255,0.06);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 0.5s ease;border-radius:1px}
.step-connector.filled::after{width:100%}
.upload-zone{border:2px dashed rgba(79,70,229,0.3);border-radius:var(--radius-lg);padding:clamp(40px,6vw,80px) 24px;text-align:center;background:rgba(79,70,229,0.03);transition:var(--transition);cursor:pointer;position:relative}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:rgba(79,70,229,0.08);box-shadow:inset 0 0 60px rgba(79,70,229,0.05)}
.upload-zone.dragover{transform:scale(1.01)}
.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:white;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-zone h4{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.upload-zone p{color:var(--text-muted);font-size:0.9rem;margin-bottom:24px}
.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:0.82rem;color:var(--text-muted)}
.upload-meta i{color:var(--primary-soft);font-size:0.95rem}
.file-input-wrap{position:relative;display:inline-block}
#fileUpload{position:absolute;inset:0;opacity:0;cursor:pointer;z-index:2}
.file-info-bar{background:rgba(0,184,148,0.08);border:1px solid rgba(0,184,148,0.2);border-radius:var(--radius-sm);padding:16px 20px;margin-top:20px;display:none;align-items:center;gap:14px;animation:slideUp 0.4s 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:0.95rem}
.file-info-bar .fi-details{display:flex;gap:16px;font-size:0.82rem;color:var(--text-muted)}
@keyframes slideUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.preview-panel{display:none;animation:slideUp 0.5s 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:rgba(255,255,255,0.04);border:1px solid var(--glass-border);color:var(--text-secondary);padding:8px 18px;border-radius:var(--radius-xs);font-size:0.85rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.btn-back:hover{background:rgba(255,255,255,0.08);color:var(--text-primary)}
.preview-canvas-wrap{background:rgba(255,255,255,0.04);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}
canvas#previewCanvas{max-width:100%;max-height:300px;border-radius:var(--radius-xs)}
.file-list-wrap{background:rgba(255,255,255,0.04);border:1px solid var(--dark-border);border-radius:var(--radius-sm);margin-bottom:24px;max-height:220px;overflow-y:auto}
.file-list{list-style:none;padding:0;margin:0}
.file-list li{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--dark-border);cursor:pointer;transition:var(--transition)}
.file-list li:last-child{border-bottom:none}
.file-list li:hover{background:rgba(79,70,229,0.04)}
.file-list li.selected{background:rgba(79,70,229,0.08);border-left:3px solid var(--primary-soft)}
.file-list .fl-name{font-weight:600;font-size:0.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.file-list .fl-detail{font-size:0.78rem;color:var(--text-muted)}
.file-list .fl-check{width:18px;height:18px;accent-color:var(--primary);flex-shrink:0}
.settings-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.setting-box{background:rgba(255,255,255,0.04);border:1px solid var(--dark-border);border-radius:var(--radius-sm);padding:18px 20px;transition:var(--transition)}
.setting-box:hover{border-color:rgba(79,70,229,0.3);background:rgba(79,70,229,0.04)}
.setting-label{display:flex;align-items:center;gap:8px;font-weight:600;font-size:0.9rem;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:rgba(255,255,255,0.04);border:1px solid var(--dark-border);border-radius:var(--radius-xs);color:var(--text-primary);font-size:0.9rem;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:white;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(0,184,148,0.25)}
.btn-convert:hover{transform:translateY(-2px);box-shadow:0 8px 35px rgba(0,184,148,0.35)}
.btn-convert:disabled{opacity:0.5;cursor:not-allowed;transform:none!important}
.btn-convert i{font-size:1.2rem}
.progress-panel{display:none;padding:32px;background:rgba(255,255,255,0.04);border:1px solid var(--dark-border);border-radius:var(--radius-md);margin-top:24px;animation:slideUp 0.4s ease}
.progress-panel.show{display:block}
.progress-label{text-align:center;font-weight:600;margin-bottom:16px;font-size:0.95rem}
.progress-track{height:10px;background:rgba(255,255,255,0.06);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 0.5s 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:0.8rem;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(0,184,148,0.2);border-radius:var(--radius-md);margin-top:24px;animation:slideUp 0.5s 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:white;box-shadow:0 8px 30px rgba(0,184,148,0.3)}
.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:rgba(255,255,255,0.06);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:rgba(255,255,255,0.1);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:0.82rem;font-weight:600;color:var(--primary-soft);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:14px}
.block-eyebrow i{font-size:0.9rem}
.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:transparent;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 0.3s}
.feature-card:hover{border-color:rgba(79,70,229,0.25);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.feature-card:hover::before{opacity:1}
.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(79,70,229,0.12);color:var(--primary-soft)}
.fc-icon.icon-secondary{background:rgba(0,206,201,0.12);color:var(--secondary-soft)}
.fc-icon.icon-accent{background:rgba(253,121,168,0.12);color:var(--accent)}
.fc-icon.icon-success{background:rgba(0,184,148,0.12);color:var(--success)}
.fc-icon.icon-warning{background:rgba(253,203,110,0.12);color:var(--warning)}
.fc-icon.icon-danger{background:rgba(225,112,85,0.12);color:var(--danger)}
.feature-card:hover .fc-icon{transform:scale(1.08)}
.fc-title{font-size:1.1rem;font-weight:700;margin-bottom:10px}
.fc-desc{font-size:0.9rem;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:0.95rem;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:rgba(255,255,255,0.04);border:1px solid var(--dark-border);border-radius:var(--radius-sm);padding:18px;transition:var(--transition)}
.guide-usecase:hover{border-color:rgba(79,70,229,0.2);background:rgba(79,70,229,0.04)}
.guide-usecase h5{font-size:0.95rem;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:0.85rem;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:0.95rem;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(79,70,229,0.12);color:var(--primary-soft);font-size:0.75rem;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(79,70,229,0.06);border:1px solid rgba(79,70,229,0.15);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:0.95rem;font-weight:700;margin-bottom:6px}
.guide-pro-tip p{font-size:0.9rem;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(79,70,229,0.2)}
.faq-question{width:100%;padding:20px 24px;background:none;border:none;color:var(--text-primary);font-weight:600;font-size:0.98rem;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:rgba(255,255,255,0.02)}
.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 0.3s;flex-shrink:0}
.faq-item.open .faq-question .fq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.35s ease,padding 0.35s ease;padding:0 24px}
.faq-item.open .faq-answer{max-height:400px;padding:0 24px 20px}
.faq-answer p{color:var(--text-secondary);font-size:0.92rem;line-height:1.75}
.related-tools-section{margin-top:40px}
.related-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
@media(max-width:991px){.related-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:575px){.related-grid{grid-template-columns:repeat(2,1fr)}}
.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:0.9rem;transition:var(--transition);display:flex;align-items:center;gap:10px}
.related-grid a.related-link:hover{border-color:rgba(79,70,229,0.3);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}
.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 0.3s}
.tool-link:hover{border-color:rgba(79,70,229,0.3);transform:translateY(-4px);box-shadow:var(--shadow-glow);color:var(--text-primary)}
.tool-link:hover::before{opacity: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:hover .tl-icon{transform:scale(1.1)}
.tl-icon.tl-primary{background:rgba(79,70,229,0.12);color:var(--primary-soft)}
.tl-icon.tl-secondary{background:rgba(0,206,201,0.12);color:var(--secondary-soft)}
.tl-icon.tl-accent{background:rgba(253,121,168,0.12);color:var(--accent)}
.tl-icon.tl-success{background:rgba(0,184,148,0.12);color:var(--success)}
.tl-icon.tl-warning{background:rgba(253,203,110,0.12);color:var(--warning)}
.tl-icon.tl-danger{background:rgba(225,112,85,0.12);color:var(--danger)}
.tool-link .tl-title{font-size:0.95rem;font-weight:700;margin-bottom:6px}
.tool-link .tl-desc{font-size:0.8rem;color:var(--text-muted);line-height:1.5}
.loading-overlay{position:fixed;inset:0;z-index:99999;background:rgba(9,9,11,0.85);backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.3s}
.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 0.8s 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:white;font-weight:600;font-size:0.9rem;z-index:99999;opacity:0;transform:translateX(100%);transition:all 0.35s 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:white;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 0.3s ease}
.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(79,70,229,0.5)}
::-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:0.78rem;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:0.8rem}.upload-zone{padding:32px 16px}.upload-meta{gap:14px}.settings-row{grid-template-columns:1fr}.file-list-wrap{max-height:160px}.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(79,70,229,0.08);--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(79,70,229,0.08)}
#app-content[data-theme="light"]{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:transparent;background-clip:text}
#app-content[data-theme="light"] .breadcrumbs-bar{background:rgba(0,0,0,0.04)}
#app-content[data-theme="light"] .converter-card{background:#ffffff}
#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:#ffffff;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:#ffffff}
#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(248,250,252,0.9)}
#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)}