:root{--bg:#090b10;--surface:#10131c;--surface2:#161b28;--surface3:#1e2436;--border:#242c42;--border2:#323c58;--accent:#00e5ff;--accent-dk:#00b4cc;--accent-glow:rgba(0,229,255,.28);--accent2:#7c3aed;--accent3:#f59e0b;--text:#f1f5f9;--text-sec:#94a3b8;--muted:#64748b;--radius:10px;--radius-lg:16px;--shadow:0 12px 40px rgba(0,0,0,.65);--fhead:'Outfit',sans-serif;--fbody:'Inter',sans-serif;--nav-h:64px;--bar-h:36px;--trans:.2s cubic-bezier(.4,0,.2,1)}
[data-theme="light"]{--bg:#f8fafc;--surface:#ffffff;--surface2:#f1f5f9;--surface3:#e2e8f0;--border:#cbd5e1;--border2:#94a3b8;--accent:#0284c7;--accent-dk:#0369a1;--accent-glow:rgba(2,132,199,.2);--accent2:#6366f1;--accent3:#d97706;--text:#0f172a;--text-sec:#475569;--muted:#64748b;--shadow:0 12px 35px rgba(0,0,0,.08)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--fbody);line-height:1.6;overflow-x:hidden;width:100%;min-height:100vh}
a{color:var(--accent);text-decoration:none;transition:color var(--trans)}
a:hover{color:#fff}[data-theme="light"] a:hover{color:var(--accent-dk)}
button{cursor:pointer;font-family:var(--fbody);border:none;background:none;outline:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--fhead);letter-spacing:-.03em;line-height:1.2}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 1.25rem}
#top-banner{background:var(--surface2);border-bottom:1px solid var(--border);height:var(--bar-h);overflow:hidden;position:relative}
#top-track{display:flex;align-items:center;gap:1.5rem;height:100%;white-space:nowrap;animation:marquee 45s linear infinite}
#top-banner:hover #top-track{animation-play-state:paused}
#top-track a{font-size:.74rem;color:var(--text-sec);font-weight:500}
#top-track a:hover{color:var(--accent)}
#top-track .sep{color:var(--border2);user-select:none}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
#navbar{position:sticky;top:0;z-index:1000;background:rgba(16,19,28,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:var(--nav-h);display:flex;align-items:center}
[data-theme="light"] #navbar{background:rgba(255,255,255,.94)}
.nav-inner{width:100%;max-width:1320px;margin:0 auto;padding:0 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-brand{display:flex;align-items:center;gap:.6rem;font-family:var(--fhead);font-size:1.22rem;font-weight:800;color:var(--text);letter-spacing:-.02em}
.nav-brand-cube{width:28px;height:28px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:6px;display:flex;align-items:center;justify-content:center;color:#000;font-size:.9rem;font-weight:900;box-shadow:0 0 16px var(--accent-glow)}
.nav-brand span{color:var(--accent)}
.nav-menu{display:flex;align-items:center;gap:.25rem;list-style:none}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:.35rem;padding:.45rem .8rem;font-size:.82rem;font-weight:600;color:var(--text-sec);border-radius:8px;transition:var(--trans)}
.nav-link:hover{color:var(--accent);background:var(--surface2)}
.nav-link svg.arrow{width:12px;height:12px;transition:transform var(--trans)}
.nav-item:hover .nav-link svg.arrow{transform:rotate(180deg)}
.dropdown{display:none;position:absolute;top:100%;left:0;background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius-lg);width:580px;padding:1.1rem;box-shadow:var(--shadow);grid-template-columns:1fr 1fr;gap:.4rem;z-index:200}
.nav-item:hover .dropdown{display:grid}
.dropdown a{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;font-size:.78rem;font-weight:500;color:var(--text-sec);border-radius:8px;transition:var(--trans)}
.dropdown a:hover{background:var(--surface2);color:var(--accent);transform:translateX(2px)}
.dropdown a .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}
.nav-actions{display:flex;align-items:center;gap:.65rem}
.theme-btn{padding:.45rem;border-radius:8px;background:var(--surface2);border:1px solid var(--border);color:var(--text);display:flex;align-items:center;justify-content:center;transition:var(--trans)}
.theme-btn:hover{border-color:var(--accent);color:var(--accent)}
.theme-btn svg{width:18px;height:18px}
.btn-cta{padding:.48rem 1.05rem;border-radius:8px;font-size:.82rem;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 0 16px var(--accent-glow);transition:var(--trans)}
.btn-cta:hover{opacity:.92;transform:translateY(-1px)}
#hamburger{display:none;flex-direction:column;gap:5px;padding:.4rem}
#hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--trans)}
#hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#hamburger.open span:nth-child(2){opacity:0}
#hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
#mobile-menu{display:none;position:fixed;top:calc(var(--bar-h) + var(--nav-h));left:0;right:0;bottom:0;background:var(--surface);border-top:1px solid var(--border);z-index:999;overflow-y:auto;padding:1.25rem 1.5rem 3rem}
#mobile-menu.open{display:block}
.mob-group{margin-bottom:1.4rem}
.mob-title{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:.5rem}
.mob-grid{display:grid;grid-template-columns:1fr;gap:.3rem}
.mob-grid a{display:block;padding:.5rem .7rem;font-size:.8rem;color:var(--text-sec);border-radius:8px;background:var(--surface2)}
.mob-grid a:hover{color:var(--accent)}
#breadcrumb{background:var(--surface);border-bottom:1px solid var(--border);padding:.6rem 0}
.bc-list{display:flex;align-items:center;flex-wrap:wrap;gap:.4rem;font-size:.76rem;color:var(--muted);list-style:none}
.bc-list a{color:var(--text-sec)}
.bc-list a:hover{color:var(--accent)}
.bc-sep{color:var(--border2);user-select:none}
.hero{padding:3.5rem 0 2.5rem;text-align:center;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .9rem;border-radius:999px;background:var(--surface2);border:1px solid var(--border2);font-size:.74rem;font-weight:600;color:var(--accent);margin-bottom:1.1rem;box-shadow:0 0 20px var(--accent-glow)}
.hero-badge .ping{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hero h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:800;letter-spacing:-.03em;margin-bottom:.9rem;color:var(--text)}
.hero h1 span{background:linear-gradient(135deg,var(--accent),#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:clamp(.92rem,1.4vw,1.1rem);color:var(--text-sec);max-width:760px;margin:0 auto 1.8rem}
.workspace-wrapper{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;margin-bottom:4rem}
.app-grid{display:grid;grid-template-columns:360px 1fr;min-height:740px}
.controls-sidebar{background:var(--surface);border-right:1px solid var(--border);padding:1.25rem;overflow-y:auto;max-height:820px;display:flex;flex-direction:column;gap:1.3rem}
.controls-sidebar::-webkit-scrollbar{width:6px}
.controls-sidebar::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}
.ctrl-group{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:1rem}
.ctrl-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}
.ctrl-title{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text);display:flex;align-items:center;gap:.45rem}
.ctrl-badge{font-size:.65rem;background:var(--surface3);color:var(--accent);padding:.15rem .45rem;border-radius:4px;font-weight:600}
.form-field{margin-bottom:.75rem}
.form-field:last-child{margin-bottom:0}
.field-label{display:flex;justify-content:space-between;font-size:.76rem;font-weight:600;color:var(--text-sec);margin-bottom:.35rem}
.field-input{width:100%;padding:.55rem .75rem;font-size:.82rem;background:var(--surface3);border:1px solid var(--border2);border-radius:8px;color:var(--text);font-family:var(--fbody);outline:none;transition:var(--trans)}
.field-input:focus{border-color:var(--accent);box-shadow:0 0 10px var(--accent-glow)}
.val-err{font-size:.7rem;color:#ef4444;margin-top:.25rem;display:none}
.val-err.active{display:block}
.range-wrap{display:flex;align-items:center;gap:.75rem}
.range-input{flex:1;accent-color:var(--accent);cursor:pointer}
.range-val{font-size:.75rem;font-weight:700;color:var(--accent);min-width:32px;text-align:right}
.icon-selector-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.4rem;max-height:165px;overflow-y:auto;padding-right:2px}
.icon-selector-grid::-webkit-scrollbar{width:4px}
.icon-selector-grid::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}
.icon-chip{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--surface3);border:1px solid var(--border2);border-radius:6px;color:var(--text-sec);padding:5px;transition:var(--trans)}
.icon-chip svg{width:100%;height:100%;fill:currentColor}
.icon-chip:hover{border-color:var(--accent);color:var(--text)}
.icon-chip.active{background:var(--accent);color:#000;border-color:var(--accent);box-shadow:0 0 10px var(--accent-glow)}
.mat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.45rem}
.mat-chip{display:flex;align-items:center;gap:.5rem;padding:.45rem .6rem;background:var(--surface3);border:1px solid var(--border2);border-radius:6px;font-size:.75rem;font-weight:600;color:var(--text-sec);transition:var(--trans)}
.mat-chip:hover{border-color:var(--accent);color:var(--text)}
.mat-chip.active{border-color:var(--accent);background:rgba(0,229,255,.1);color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}
.mat-preview{width:16px;height:16px;border-radius:50%;flex-shrink:0;box-shadow:inset 0 0 3px rgba(0,0,0,.5)}
.pill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.4rem}
.pill-btn{padding:.45rem;border-radius:6px;background:var(--surface3);border:1px solid var(--border2);color:var(--text-sec);font-size:.75rem;font-weight:600;text-align:center;transition:var(--trans)}
.pill-btn:hover{color:var(--text);border-color:var(--accent)}
.pill-btn.active{background:var(--accent);color:#000;border-color:var(--accent);font-weight:700}
.custom-upload{border:1.5px dashed var(--border2);border-radius:8px;padding:.75rem;text-align:center;background:var(--surface3);cursor:pointer;transition:var(--trans)}
.custom-upload:hover{border-color:var(--accent);background:var(--surface2)}
.custom-upload input{display:none}
.custom-upload span{font-size:.73rem;color:var(--text-sec);display:block}
.viewport-panel{display:flex;flex-direction:column;position:relative;background:#05070a;min-height:700px}
.viewport-toolbar{padding:.75rem 1.25rem;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;z-index:10}
.toolbar-actions{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.tool-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem .85rem;border-radius:8px;font-size:.78rem;font-weight:600;background:var(--surface2);border:1px solid var(--border);color:var(--text);transition:var(--trans)}
.tool-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.tool-btn svg{width:14px;height:14px}
.tool-btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none;box-shadow:0 0 16px var(--accent-glow)}
.tool-btn.primary:hover{opacity:.92;color:#fff}
.tool-btn.danger:hover{border-color:#ef4444;color:#ef4444}
.canvas-container{flex:1;position:relative;width:100%;min-height:600px;outline:none;cursor:grab}
.canvas-container:active{cursor:grabbing}
#canvas3d{width:100%!important;height:100%!important;display:block}
.viewport-hint{position:absolute;bottom:15px;left:15px;background:rgba(16,19,28,.8);backdrop-filter:blur(8px);border:1px solid var(--border);padding:.35rem .75rem;border-radius:6px;font-size:.7rem;color:var(--text-sec);pointer-events:none;display:flex;align-items:center;gap:.4rem}
.badge-watermark{position:absolute;bottom:15px;right:15px;font-size:.7rem;font-weight:700;color:var(--muted);background:rgba(16,19,28,.7);padding:.25rem .6rem;border-radius:4px;pointer-events:none;font-family:var(--fhead)}
.tools-section{padding:3.5rem 0;background:var(--surface2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-header{text-align:center;max-width:760px;margin:0 auto 2.5rem}
.section-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:.5rem;display:inline-block}
.section-header h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:.75rem}
.section-header p{font-size:.88rem;color:var(--text-sec)}
.tools-showcase-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.85rem}
.tool-card-link{display:flex;align-items:center;gap:.75rem;padding:.8rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:var(--trans)}
.tool-card-link:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.25)}
.tool-card-icon{width:36px;height:36px;border-radius:8px;background:var(--surface2);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0;border:1px solid var(--border)}
.tool-card-link:hover .tool-card-icon{background:var(--accent);color:#000}
.tool-card-title{font-size:.82rem;font-weight:600;color:var(--text);line-height:1.3}
.tool-card-sub{font-size:.7rem;color:var(--muted)}
.features-section{padding:4.5rem 0}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.4rem}
.feature-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;transition:var(--trans);position:relative;overflow:hidden}
.feature-box:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow)}
.feat-icon-wrap{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,rgba(0,229,255,.15),rgba(124,58,237,.15));border:1px solid var(--border2);display:flex;align-items:center;justify-content:center;color:var(--accent);margin-bottom:1.1rem}
.feature-box h3{font-size:1.15rem;margin-bottom:.55rem}
.feature-box p{font-size:.82rem;color:var(--text-sec);line-height:1.6}
.steps-section{padding:4.5rem 0;background:var(--surface2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}
.step-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.6rem;position:relative}
.step-num{position:absolute;top:-12px;left:1.6rem;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:.75rem;font-weight:800;padding:.2rem .65rem;border-radius:999px;box-shadow:0 0 14px var(--accent-glow)}
.step-card h3{font-size:1.05rem;margin:1rem 0 .5rem}
.step-card p{font-size:.8rem;color:var(--text-sec);line-height:1.55}
.seo-article-section{padding:4.5rem 0}
.article-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;max-width:1050px;margin:0 auto}
.article-card h2{font-size:1.85rem;margin-bottom:1.25rem;color:var(--text)}
.article-card p{font-size:.9rem;color:var(--text-sec);line-height:1.75;margin-bottom:1.2rem}
.article-card p:last-child{margin-bottom:0}
.article-card strong{color:var(--text);font-weight:700}
.faq-section{padding:4.5rem 0;background:var(--surface2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-wrap{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:.75rem}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--trans)}
.faq-item:hover{border-color:var(--border2)}
.faq-item.open{border-color:var(--accent)}
.faq-q{width:100%;padding:1.15rem 1.25rem;display:flex;align-items:center;justify-content:space-between;text-align:left;font-family:var(--fhead);font-size:.96rem;font-weight:700;color:var(--text);gap:1rem}
.faq-icon{width:18px;height:18px;transition:transform var(--trans);flex-shrink:0;color:var(--accent)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 1.25rem;font-size:.85rem;color:var(--text-sec);line-height:1.65}
.faq-item.open .faq-a{max-height:300px;padding-bottom:1.15rem}
.cta-banner{padding:4.5rem 0}
.cta-box{background:linear-gradient(135deg,rgba(16,19,28,.95),rgba(22,27,40,.95));border:1px solid var(--border2);border-radius:var(--radius-lg);padding:3.5rem 2rem;text-align:center;box-shadow:0 0 50px rgba(0,229,255,.07);position:relative}
.cta-box h2{font-size:clamp(1.8rem,3.2vw,2.6rem);margin-bottom:.85rem}
.cta-box p{font-size:.95rem;color:var(--text-sec);max-width:650px;margin:0 auto 1.75rem}
.cta-btns{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}
.cta-btn-link{padding:.75rem 1.6rem;border-radius:10px;font-size:.88rem;font-weight:700;display:inline-flex;align-items:center;gap:.5rem;transition:var(--trans)}
.cta-btn-link.prm{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 0 20px var(--accent-glow)}
.cta-btn-link.prm:hover{transform:translateY(-2px);box-shadow:0 0 28px var(--accent-glow)}
.cta-btn-link.sec{background:var(--surface2);border:1px solid var(--border2);color:var(--text)}
.cta-btn-link.sec:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
footer{background:var(--surface);border-top:1px solid var(--border);padding:4rem 0 2rem}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2.2rem;margin-bottom:3rem}
.footer-col h4{font-size:.84rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text);margin-bottom:1rem}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.footer-links a{font-size:.78rem;color:var(--text-sec);transition:var(--trans)}
.footer-links a:hover{color:var(--accent);transform:translateX(3px);display:inline-block}
.footer-btm{border-top:1px solid var(--border);padding-top:1.75rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.74rem;color:var(--muted)}
.footer-legals{display:flex;align-items:center;gap:1.2rem}
.footer-legals a{color:var(--muted)}
.footer-legals a:hover{color:var(--text)}
.disclaimer-bar{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:.85rem 1.1rem;font-size:.72rem;color:var(--muted);line-height:1.55;margin-bottom:2.2rem}
#cookie-banner{position:fixed;bottom:20px;left:20px;right:20px;max-width:480px;background:rgba(16,19,28,.96);backdrop-filter:blur(16px);border:1px solid var(--border2);border-radius:var(--radius-lg);padding:1.15rem 1.4rem;box-shadow:var(--shadow);z-index:9999;display:flex;flex-direction:column;gap:.85rem;transition:opacity .3s ease,transform .3s ease}
[data-theme="light"] #cookie-banner{background:rgba(255,255,255,.98)}
#cookie-banner.hidden{opacity:0;pointer-events:none;transform:translateY(20px)}
.cookie-text{font-size:.78rem;color:var(--text-sec);line-height:1.5}
.cookie-text a{color:var(--accent);text-decoration:underline}
.cookie-btns{display:flex;align-items:center;gap:.6rem;justify-content:flex-end}
.cookie-btn{padding:.4rem .9rem;border-radius:6px;font-size:.76rem;font-weight:700;transition:var(--trans)}
.cookie-btn.accept{background:var(--accent);color:#000}
.cookie-btn.accept:hover{opacity:.9}
.cookie-btn.dismiss{background:var(--surface3);border:1px solid var(--border2);color:var(--text)}
.cookie-btn.dismiss:hover{border-color:var(--text-sec)}
#toast-box{position:fixed;bottom:25px;right:25px;z-index:10000;display:flex;flex-direction:column;gap:.5rem;pointer-events:none}
.toast-msg{background:var(--surface);border:1px solid var(--accent);color:var(--text);padding:.65rem 1.1rem;border-radius:8px;font-size:.8rem;font-weight:600;box-shadow:var(--shadow);display:flex;align-items:center;gap:.5rem;animation:toastIn .25s ease forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1024px){.app-grid{grid-template-columns:1fr;min-height:auto}.controls-sidebar{border-right:none;border-bottom:1px solid var(--border);max-height:none}.dropdown{width:460px}}
@media(max-width:768px){.nav-menu,.btn-cta{display:none}#hamburger{display:flex}.hero{padding:2.5rem 0 1.5rem}.canvas-container{min-height:420px}.viewport-panel{min-height:500px}.article-card{padding:1.5rem}}