:root{--bg: #fafbfc;--surface: #ffffff;--surface-alt: #f8f9fb;--text: #1a1d23;--text-secondary: #5f6577;--text-muted: #9ca3af;--border: #e5e7eb;--border-light: #f3f4f6;--brand: #4f46e5;--brand-hover: #4338ca;--brand-light: #eef2ff;--brand-glow: rgba(79, 70, 229, 0.15);--success: #059669;--success-light: #ecfdf5;--warning: #f59e0b;--danger: #dc2626;--danger-light: #fef2f2;--shadow-sm: 0 1px 3px rgba(0,0,0,0.06);--shadow-md: 0 4px 12px rgba(0,0,0,0.08);--shadow-lg: 0 12px 40px rgba(0,0,0,0.1);--shadow-xl: 0 20px 60px rgba(0,0,0,0.12);--radius-sm: 12px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px}[data-theme=dark]{--bg: #0f1117;--surface: #1a1d28;--surface-alt: #22253a;--text: #e8eaed;--text-secondary: #9aa0b0;--text-muted: #6b7280;--border: #2d3148;--border-light: #252940;--brand: #818cf8;--brand-hover: #6366f1;--brand-light: #1e1b4b;--brand-glow: rgba(129, 140, 248, 0.15);--success: #34d399;--success-light: #064e3b;--warning: #fbbf24;--danger: #f87171;--danger-light: #450a0a;--shadow-sm: 0 1px 3px rgba(0,0,0,0.3);--shadow-md: 0 4px 12px rgba(0,0,0,0.4);--shadow-lg: 0 12px 40px rgba(0,0,0,0.5);--shadow-xl: 0 20px 60px rgba(0,0,0,0.6)}[data-theme=dark] .theme-toggle-btn .fa-sun{display:block}[data-theme=dark] .theme-toggle-btn .fa-moon{display:none}*{box-sizing:border-box;margin:0;padding:0}body{font-family:"Inter",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:"Plus Jakarta Sans",sans-serif;line-height:1.2;color:var(--text)}img{max-width:100%;height:auto;display:block}.container{max-width:1200px;margin:0 auto;padding:0 24px}.breadcrumb{padding:20px 0;font-size:14px;color:var(--text-muted)}.breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:color .2s}.breadcrumb a:hover{color:var(--brand)}.breadcrumb span{margin:0 8px;color:var(--border)}.breadcrumb strong{color:var(--text);font-weight:600}.hero{padding:40px 0 60px}.hero h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:800;margin-bottom:20px;letter-spacing:-0.02em}.hero p.lead{font-size:17px;color:var(--text-secondary);margin-bottom:28px;max-width:540px}.hero-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:var(--brand-light);color:var(--brand);border-radius:100px;font-size:13px;font-weight:600;margin-bottom:20px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;text-decoration:none;border:none;cursor:pointer;transition:all .2s;font-family:inherit}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 16px var(--brand-glow)}.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 8px 24px var(--brand-glow)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface-alt);border-color:var(--text-muted)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#047857}.stats-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:16px;margin-top:32px}.stat-card{padding:16px;background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius-sm)}.stat-card strong{display:block;font-size:16px;font-family:"Plus Jakarta Sans",sans-serif;margin-bottom:4px}.stat-card span{font-size:13px;color:var(--text-muted)}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}.tool-header{padding:20px 28px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.tool-header h3{font-size:16px;display:flex;align-items:center;gap:10px}.tool-status{display:flex;align-items:center;gap:8px}.tool-header .badge,.tool-status .badge{font-size:11px;padding:4px 10px;border-radius:100px;font-weight:600;display:inline-flex;align-items:center;gap:5px}.tool-header .badge.success,.tool-status .badge.success{background:var(--success-light);color:var(--success)}.tool-header .badge.danger,.tool-status .badge.danger{background:var(--danger-light);color:var(--danger)}.tool-header .badge{background:var(--brand-light);color:var(--brand)}.tool-body{display:grid;grid-template-columns:1fr 1fr}.tool-panel{padding:28px}.tool-panel-left{border-right:1px solid var(--border-light)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-md);padding:40px 24px;text-align:center;cursor:pointer;transition:all .3s;background:var(--surface-alt)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--brand);background:var(--brand-light)}.upload-zone 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img{height:180px}.image-card-content{padding:16px}.article-content{padding:20px}.article-image img{height:240px}.why-card{padding:24px}.step-card{padding:28px 20px}.step-icon{width:56px;height:56px;font-size:24px}.theme-toggle-wrapper{top:70px;right:10px}.theme-toggle-btn{width:34px;height:34px;font-size:14px}.preview-area{height:240px}.preview-placeholder i{font-size:40px}.cta-section{padding:32px 20px}.faq-item{padding:20px}.client-side-badge{padding:14px 18px}.tools-grid{gap:12px}.tool-link{padding:16px}}@media(prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}}