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100px}.install-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.install-grid article{position:relative;min-height:220px;padding:28px;border:1px solid var(--line);border-radius:16px;background:rgba(15,24,42,.6)}.install-grid article>b{position:absolute;right:24px;top:22px;color:#35445d;font-size:10px}.install-icon{width:45px;height:45px;margin-bottom:30px;display:grid;place-items:center;border-radius:12px;background:rgba(57,121,255,.1);color:#77a8ff;font-weight:700}.install-grid h3{margin-bottom:10px;font-size:17px}.install-grid p{margin:0;color:var(--muted);font-size:12px;line-height:1.8}.system-note{margin-bottom:100px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--line);border-radius:14px;background:rgba(16,26,46,.7)}.system-note>div{display:flex;align-items:center;gap:14px}.system-note>div>span{flex:0 0 auto;width:29px;height:29px;display:grid;place-items:center;border:1px solid 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@media(max-width:980px){.nav-links{display:none}.hero{grid-template-columns:1fr;padding-top:60px}.hero-copy{text-align:center}.hero-lead{margin-inline:auto}.hero-actions,.trust-row{justify-content:center}.hero-stage{max-width:720px;width:100%;margin:20px auto 0}.stat-grid{grid-template-columns:repeat(2,1fr)}.section-heading{grid-template-columns:1fr;gap:20px}.feature-grid{grid-template-columns:1fr 1fr}.feature-large{grid-column:1/-1}.feature-wide{grid-column:1/-1}.workflow-grid{grid-template-columns:repeat(2,1fr)}.workflow-grid article:nth-child(2){border-right:0}.workflow-grid article:nth-child(-n+2){border-bottom:1px solid var(--line)}.download-grid{grid-template-columns:1fr;max-width:720px}.download-card>p,.download-card ul{min-height:0}.tutorial-grid{grid-template-columns:1fr}.footer{grid-template-columns:auto 1fr}.footer>div,.footer>small{text-align:right}.install-grid{grid-template-columns:1fr}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.feature-card{transition:none}}
.tutorial-grid{grid-template-columns:minmax(0,760px);justify-content:center}
html{overflow-x:hidden}

/* Optional local AI engine download and installation guide. */
.local-engine-card{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);column-gap:36px;align-items:center;border-color:rgba(150,108,255,.24);background:radial-gradient(circle at 88% 8%,rgba(137,91,255,.14),transparent 30%),linear-gradient(150deg,rgba(20,27,52,.96),rgba(9,16,29,.96))}.local-engine-card:after{background:radial-gradient(circle,rgba(145,100,255,.2),transparent 68%)}.local-engine-copy,.local-engine-actions{position:relative;z-index:1;min-width:0}.local-engine-copy>p{color:var(--muted);font-size:14px;line-height:1.8}.local-engine-copy ul{min-height:0;margin-bottom:0}.local-engine-actions{display:grid;gap:13px}.local-engine-actions .download-meta{margin-bottom:0}.local-engine-actions .download-note,.local-engine-actions .local-engine-jump{margin-top:0}.local-engine-badge{background:rgba(154,111,255,.14);color:#b89cff}.local-engine-icon{background:linear-gradient(135deg,#7656e8,#3d7bf4);box-shadow:0 14px 35px rgba(110,80,224,.22)}.local-engine-card li:before{color:#ad8cff}.local-engine-meta{grid-template-columns:.8fr .65fr 1.35fr}.share-code{color:#c4adff;font-family:Consolas,monospace;letter-spacing:1px}.button-local-engine{border-color:rgba(178,143,255,.28);background:linear-gradient(135deg,#7858df,#4b6fe5);box-shadow:0 16px 40px rgba(104,79,220,.25);color:#fff}.button-local-engine:hover{box-shadow:0 18px 48px rgba(104,79,220,.4)}.local-engine-jump{border-color:rgba(168,128,255,.22);background:rgba(126,83,224,.07);color:#c1a8ff}.local-engine-jump>span{background:rgba(141,94,232,.14)}.local-engine-tutorial{padding-top:18px}.local-engine-recommend{border-color:rgba(161,116,255,.24);background:rgba(126,83,224,.08)}.local-engine-recommend span{background:#7656d8}.local-engine-guide-grid{max-width:none;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}.local-engine-requirements,.local-engine-steps-card{height:100%}.local-engine-file{border:1px solid rgba(160,119,255,.32);background:rgba(123,81,218,.12);color:#c1a7ff}.requirement-list{margin:26px 0 22px;display:grid;gap:10px}.requirement-list>div{padding:13px 14px;display:grid;grid-template-columns:105px 1fr;gap:16px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.022)}.requirement-list span{color:#687b97;font-size:10px}.requirement-list strong{color:#b8c7dc;font-size:11px;line-height:1.65}.local-engine-steps{margin-bottom:20px}.local-engine-steps li{margin-bottom:14px}.local-engine-use-flow{border-color:rgba(154,111,255,.16)}
@media(max-width:980px){.local-engine-card{display:block}.local-engine-actions{margin-top:25px}.local-engine-guide-grid{grid-template-columns:1fr}}
@media(max-width:640px){.local-engine-guide-grid>*{min-width:0}.local-engine-steps code{overflow-wrap:anywhere;word-break:break-word}.requirement-list>div{grid-template-columns:1fr;gap:6px}.local-engine-recommend{width:100%}.local-engine-use-flow{justify-content:flex-start}}

.official-service-float{position:fixed;z-index:120;right:24px;bottom:24px;min-width:184px;padding:11px 15px 11px 11px;display:flex;align-items:center;gap:11px;border:1px solid rgba(80,230,161,.28);border-radius:16px;background:linear-gradient(145deg,rgba(16,42,40,.97),rgba(8,23,27,.98));box-shadow:0 18px 50px rgba(0,0,0,.38),0 0 0 1px rgba(58,222,147,.04);color:#f3fffa;backdrop-filter:blur(18px);transition:transform .2s,border-color .2s,box-shadow .2s}.official-service-float:hover{transform:translateY(-3px);border-color:rgba(83,237,169,.55);box-shadow:0 22px 55px rgba(0,0,0,.44),0 0 28px rgba(31,202,122,.11)}.official-service-icon{position:relative;flex:0 0 auto;width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,#1fda83,#0ba963);box-shadow:0 9px 22px rgba(13,190,107,.26);font-size:13px;font-weight:900}.official-service-icon:after{content:"";position:absolute;right:-2px;top:-2px;width:8px;height:8px;border:2px solid #102622;border-radius:50%;background:#78f5b7}.official-service-float>span:last-child{display:grid;gap:3px}.official-service-float strong{font-size:12px;letter-spacing:.2px}.official-service-float small{color:#8fb7a8;font-size:9px}
@media(max-width:640px){.official-service-float{right:14px;bottom:14px;min-width:0;padding:9px 12px 9px 9px;border-radius:14px}.official-service-icon{width:35px;height:35px}.official-service-float small{display:none}}
@media(prefers-reduced-motion:reduce){.official-service-float{transition:none}}
.skip-link{position:fixed;z-index:1000;left:16px;top:12px;padding:10px 14px;border-radius:8px;background:#fff;color:#07101e;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.cookie-banner{position:fixed;z-index:220;left:20px;right:20px;bottom:18px;max-width:980px;margin:auto;padding:17px 18px;display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid rgba(133,164,207,.25);border-radius:15px;background:rgba(9,17,31,.96);box-shadow:0 28px 80px rgba(0,0,0,.48);backdrop-filter:blur(18px)}.cookie-banner strong{display:block;font-size:12px}.cookie-banner p{margin:5px 0 0;color:#8295b0;font-size:9px;line-height:1.7}.cookie-banner a{color:#77a3e8}.cookie-banner>div:last-child{display:flex;gap:8px;flex:0 0 auto}.cookie-banner button{min-height:36px;padding:0 13px;border:1px solid rgba(135,164,207,.2);border-radius:9px;background:rgba(255,255,255,.04);color:#b8c7da;cursor:pointer;font-size:9px}.cookie-banner button.accept{border:0;background:linear-gradient(135deg,#4e8cff,#3d70e5);color:#fff}.commercial-proof{position:relative;z-index:2;padding:20px 0 100px}.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.proof-grid article{padding:27px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(150deg,rgba(16,28,49,.92),rgba(9,17,30,.95))}.proof-grid span{color:#5f84c2;font-size:9px;font-weight:900;letter-spacing:1.2px}.proof-grid h3{margin:17px 0 10px;font-size:18px}.proof-grid p{margin:0;color:#7f91aa;font-size:11px;line-height:1.8}.faq-section{position:relative;z-index:2;padding:30px 0 110px}.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-copy h2{margin:12px 0 18px;font-size:clamp(34px,4vw,50px)}.faq-copy p{color:#7f91aa;line-height:1.9}.faq-list{display:grid;gap:9px}.faq-list details{padding:18px 20px;border:1px solid var(--line);border-radius:13px;background:rgba(15,26,45,.72)}.faq-list summary{cursor:pointer;font-size:12px;font-weight:800}.faq-list p{margin:13px 0 0;color:#8092ac;font-size:10px;line-height:1.8}.enterprise-strip{position:relative;z-index:2;margin-bottom:110px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:25px;border:1px solid rgba(160,128,255,.22);border-radius:21px;background:radial-gradient(circle at 100% 0,rgba(160,128,255,.16),transparent 40%),linear-gradient(145deg,rgba(31,26,60,.93),rgba(11,19,34,.96))}.enterprise-strip h2{margin:8px 0 10px;font-size:28px}.enterprise-strip p{margin:0;color:#9488ac;font-size:11px;line-height:1.8}@media(max-width:800px){.cookie-banner{align-items:flex-start;flex-direction:column}.proof-grid{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr;gap:28px}.enterprise-strip{align-items:flex-start;flex-direction:column}}@media(max-width:520px){.cookie-banner{left:10px;right:10px;bottom:10px}.cookie-banner>div:last-child{width:100%}.cookie-banner button{flex:1}.enterprise-strip{padding:28px 22px}}