:root{--bg:#f8fafc;--card:#ffffff;--text:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--primary-border:#bfdbfe;--success:#10b981;--success-bg:#ecfdf5;--warning:#f59e0b;--warning-bg:#fffbeb;--danger:#ef4444;--danger-bg:#fef2f2;--card-shadow:0 4px 20px -2px rgba(0,0,0,0.06),0 2px 6px -1px rgba(0,0,0,0.04);--header-bg:rgba(255,255,255,0.92);--font-sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;--font-title:'Outfit',sans-serif;--radius:12px;--radius-sm:8px;--radius-full:9999px;--trans:all .2s cubic-bezier(0.4,0,0.2,1)}[data-theme="dark"]{--bg:#0b0f19;--card:#111827;--text:#f8fafc;--text-muted:#94a3b8;--border:#1f2937;--primary:#3b82f6;--primary-hover:#60a5fa;--primary-light:rgba(59,130,246,0.12);--primary-border:rgba(59,130,246,0.3);--success:#10b981;--success-bg:rgba(16,185,129,0.1);--warning:#f59e0b;--warning-bg:rgba(245,158,11,0.1);--danger:#ef4444;--danger-bg:rgba(239,68,68,0.1);--card-shadow:0 10px 25px -5px rgba(0,0,0,0.5),0 8px 10px -6px rgba(0,0,0,0.5);--header-bg:rgba(17,24,39,0.92)}*,::before,::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;width:100%;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font-family:inherit;font-size:inherit}button{cursor:pointer;border:none;background:none}.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:100;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-container{display:flex;align-items:center;justify-content:space-between;height:70px}.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-title);font-weight:700;font-size:1.35rem;color:var(--text)}.brand-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#38bdf8);color:#fff}.nav-menu{display:flex;align-items:center;gap:8px;list-style:none}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-weight:500;font-size:0.92rem;color:var(--text-muted);transition:var(--trans)}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-light)}.dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:720px;padding:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--card-shadow);z-index:110}.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.dropdown-link{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;font-size:0.86rem;color:var(--text);transition:var(--trans)}.dropdown-link:hover{background:var(--primary-light);color:var(--primary)}.nav-actions{display:flex;align-items:center;gap:12px}.theme-toggle,.mobile-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--text);transition:var(--trans)}.theme-toggle:hover,.mobile-toggle:hover{border-color:var(--primary);color:var(--primary)}.mobile-toggle{display:none}.mobile-drawer{display:none;position:fixed;top:70px;left:0;width:100%;height:calc(100vh - 70px);background:var(--card);border-top:1px solid var(--border);overflow-y:auto;padding:20px;z-index:99}.mobile-drawer.open{display:block}.breadcrumbs{padding:16px 0;font-size:0.86rem;color:var(--text-muted)}.breadcrumb-list{display:flex;align-items:center;gap:8px;list-style:none;flex-wrap:wrap}.breadcrumb-separator{color:var(--border)}.breadcrumb-current{color:var(--text);font-weight:600}.hero{padding:40px 0 30px;text-align:center}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-full);background:var(--primary-light);border:1px solid var(--primary-border);color:var(--primary);font-size:0.82rem;font-weight:600;margin-bottom:16px}.hero-title{font-family:var(--font-title);font-size:clamp(2rem,4vw,3.2rem);font-weight:800;letter-spacing:-0.02em;line-height:1.2;margin-bottom:14px}.hero-highlight{background:linear-gradient(135deg,#2563eb,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{max-width:740px;margin:0 auto 24px;font-size:1.05rem;color:var(--text-muted)}.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--card-shadow);padding:24px;margin-bottom:30px}.tabs-bar{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);padding-bottom:14px;margin-bottom:20px}.tab-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);font-size:0.92rem;font-weight:600;color:var(--text-muted);transition:var(--trans)}.tab-btn.active{background:var(--primary);color:#fff}.tab-btn:hover:not(.active){background:var(--primary-light);color:var(--primary)}.tab-content{display:none}.tab-content.active{display:block}.input-group{margin-bottom:18px}.input-label{display:flex;align-items:center;justify-content:space-between;font-size:0.88rem;font-weight:600;margin-bottom:8px;color:var(--text)}.input-wrapper{position:relative;display:flex;align-items:center}.input-field{width:100%;height:48px;padding:0 16px;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:0.95rem;transition:var(--trans)}.input-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.input-field.valid{border-color:var(--success)}.input-field.invalid{border-color:var(--danger)}.validation-msg{font-size:0.8rem;margin-top:6px;display:flex;align-items:center;gap:6px}.validation-msg.success{color:var(--success)}.validation-msg.error{color:var(--danger)}.validation-msg.warning{color:var(--warning)}.textarea-field{width:100%;min-height:110px;padding:12px 16px;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:0.92rem;resize:vertical;transition:var(--trans)}.textarea-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.grid-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:20px}.viewport-options{display:flex;flex-wrap:wrap;gap:8px}.viewport-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:0.85rem;font-weight:500;transition:var(--trans)}.viewport-btn:hover,.viewport-btn.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.custom-dimen{display:flex;align-items:center;gap:8px;margin-top:10px}.dimen-input{width:90px;height:38px;padding:0 10px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:0.88rem;text-align:center}.dimen-x{color:var(--text-muted);font-weight:600}.chips-group{display:flex;flex-wrap:wrap;gap:8px}.chip-toggle{position:relative}.chip-toggle input{position:absolute;opacity:0;pointer-events:none}.chip-label{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-full);border:1px solid var(--border);background:var(--bg);color:var(--text-muted);font-size:0.8rem;font-weight:500;cursor:pointer;transition:var(--trans);user-select:none}.chip-toggle input:checked + .chip-label{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:600}.actions-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}.main-btn-group{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;transition:var(--trans)}.btn:disabled{opacity:0.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(37,99,235,0.25)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 4px 12px rgba(37,99,235,0.35)}.btn-outline{border:1px solid var(--border);background:var(--card);color:var(--text)}.btn-outline:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-sm{padding:8px 14px;font-size:0.85rem}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,0.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.output-container{margin-top:30px;scroll-margin-top:90px}.preview-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--card-shadow);margin-bottom:24px}.mockup-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;background:var(--bg);border-bottom:1px solid var(--border)}.mockup-left{display:flex;align-items:center;gap:8px}.dot{width:12px;height:12px;border-radius:50%}.dot-red{background:#ef4444}.dot-yellow{background:#f59e0b}.dot-green{background:#10b981}.mockup-url-bar{flex:1;max-width:600px;display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:0.82rem;color:var(--text-muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.mockup-tools{display:flex;align-items:center;gap:6px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;border:1px solid var(--border);background:var(--card);color:var(--text-muted);font-size:0.82rem;transition:var(--trans)}.icon-btn:hover{color:var(--primary);border-color:var(--primary)}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-full);font-size:0.75rem;font-weight:600}.status-badge.allowed{background:var(--success-bg);color:var(--success)}.status-badge.blocked{background:var(--danger-bg);color:var(--danger)}.status-badge.warn{background:var(--warning-bg);color:var(--warning)}.preview-stage{position:relative;background:repeating-conic-gradient(var(--border) 0% 25%,transparent 0% 50%) 50% / 20px 20px;padding:24px;display:flex;align-items:center;justify-content:center;overflow:auto;min-height:480px}.stage-wrapper{position:relative;transition:transform .2s ease;transform-origin:center top;max-width:100%;box-shadow:0 8px 30px rgba(0,0,0,0.12);border-radius:8px;overflow:hidden;background:#fff}.iframe-element{display:block;border:none;width:100%;height:100%}.preview-footer{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--bg);border-top:1px solid var(--border);font-size:0.82rem;color:var(--text-muted)}.code-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--card-shadow);margin-bottom:30px}.code-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.code-box{position:relative;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;font-family:monospace;font-size:0.85rem;color:var(--text);overflow-x:auto;white-space:pre-wrap;word-break:break-all}.bulk-matrix{width:100%;border-collapse:collapse;margin-top:16px;font-size:0.85rem}.bulk-matrix th,.bulk-matrix td{padding:12px 14px;border:1px solid var(--border);text-align:left}.bulk-matrix th{background:var(--bg);font-weight:600;color:var(--text)}.bulk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin-top:20px}.bulk-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--card-shadow)}.bulk-card-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg);border-bottom:1px solid var(--border);font-size:0.82rem}.bulk-card-iframe-wrap{width:100%;height:220px;position:relative;overflow:hidden;background:#fff}.bulk-card-iframe{width:100%;height:100%;border:none;transform-origin:0 0}.more-tools-section{margin:50px 0}.section-title{font-family:var(--font-title);font-size:1.8rem;font-weight:700;margin-bottom:8px;text-align:center}.section-subtitle{text-align:center;color:var(--text-muted);font-size:0.95rem;max-width:650px;margin:0 auto 28px}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.tool-tile{display:flex;align-items:center;gap:12px;padding:14px 18px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-weight:500;font-size:0.9rem;transition:var(--trans)}.tool-tile:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);transform:translateY(-2px)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-bottom:50px}.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--card-shadow)}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:var(--primary-light);color:var(--primary);margin-bottom:14px}.feature-title{font-family:var(--font-title);font-size:1.15rem;font-weight:600;margin-bottom:8px}.feature-desc{font-size:0.88rem;color:var(--text-muted);line-height:1.55}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:50px}.step-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative}.step-number{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:0.9rem;margin-bottom:14px}.seo-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:50px;line-height:1.75;font-size:0.95rem;color:var(--text)}.seo-card h2{font-family:var(--font-title);font-size:1.5rem;font-weight:700;margin-bottom:14px;color:var(--text)}.faq-accordion{display:flex;flex-direction:column;gap:14px;margin-bottom:50px;max-width:860px;margin-left:auto;margin-right:auto}.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--trans)}.faq-header{width:100%;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;text-align:left;font-family:var(--font-title);font-size:1.05rem;font-weight:600;color:var(--text)}.faq-header:hover{color:var(--primary)}.faq-icon{transition:transform .2s ease}.faq-item.active .faq-icon{transform:rotate(180deg)}.faq-body{display:none;padding:0 20px 20px;color:var(--text-muted);font-size:0.92rem;line-height:1.65}.faq-item.active .faq-body{display:block}.cta-banner{background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff;border-radius:var(--radius);padding:44px 30px;text-align:center;margin-bottom:60px}.cta-title{font-family:var(--font-title);font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;margin-bottom:12px}.cta-desc{font-size:1rem;opacity:0.9;max-width:600px;margin:0 auto 24px}.cta-buttons{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.btn-cta-white{background:#fff;color:#1e3a8a;font-weight:700;padding:12px 26px;border-radius:var(--radius-sm)}.btn-cta-white:hover{background:#f1f5f9}.btn-cta-outline{border:2px solid rgba(255,255,255,0.7);color:#fff;font-weight:600;padding:12px 26px;border-radius:var(--radius-sm)}.btn-cta-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff}.site-footer{background:var(--card);border-top:1px solid var(--border);padding:60px 0 30px;margin-top:60px}.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:40px}.footer-col-title{font-family:var(--font-title);font-size:1.05rem;font-weight:700;margin-bottom:16px;color:var(--text)}.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}.footer-link{font-size:0.86rem;color:var(--text-muted);transition:var(--trans)}.footer-link:hover{color:var(--primary)}.footer-disclaimer{font-size:0.8rem;color:var(--text-muted);border-top:1px solid var(--border);padding-top:24px;margin-top:24px;line-height:1.6}.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding-top:20px;border-top:1px solid var(--border);font-size:0.84rem;color:var(--text-muted)}.footer-bottom-links{display:flex;gap:16px}.cookie-banner{position:fixed;bottom:20px;left:20px;right:20px;max-width:540px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;box-shadow:0 12px 30px rgba(0,0,0,0.18);z-index:999;display:none;align-items:center;justify-content:space-between;gap:16px}.cookie-banner.show{display:flex}.cookie-text{font-size:0.85rem;color:var(--text);line-height:1.5}.cookie-text a{color:var(--primary);text-decoration:underline}.cookie-actions{display:flex;gap:8px;flex-shrink:0}.modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.75);z-index:200;padding:20px;align-items:center;justify-content:center}.modal-overlay.open{display:flex}.modal-window{background:var(--card);border-radius:var(--radius);width:100%;max-width:1100px;height:85vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,0.4)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--bg)}.modal-body{flex:1;position:relative;background:#fff}.toast{position:fixed;bottom:30px;right:30px;background:#0f172a;color:#fff;padding:10px 18px;border-radius:var(--radius-sm);font-size:0.86rem;z-index:300;box-shadow:0 4px 14px rgba(0,0,0,0.25);transform:translateY(100px);opacity:0;transition:all .3s ease;pointer-events:none}.toast.show{transform:translateY(0);opacity:1}@media(max-width:992px){.dropdown-menu{min-width:100%;position:static;box-shadow:none;border:none;padding:10px 0}.nav-menu{display:none}.mobile-toggle{display:inline-flex}.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{grid-template-columns:1fr}}@media(max-width:768px){.preview-stage{padding:10px;min-height:360px}.actions-bar{flex-direction:column;align-items:stretch}.main-btn-group{width:100%}.main-btn-group .btn{flex:1}.cookie-banner{flex-direction:column;align-items:stretch;bottom:10px;left:10px;right:10px}}