@charset "UTF-8";
:root{
 --bg:#070b14;--bg-secondary:#0d1320;--surface:#111a2b;--surface-2:#0f1726;--surface-hover:#16243a;--border:#22324b;--border-soft:#17243a;
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 --header:72px;--ease:cubic-bezier(.2,.8,.2,1);--grid:rgba(105,145,190,.055);
}
html[data-theme="light"]{
 --bg:#f5f8fc;--bg-secondary:#edf3f9;--surface:#ffffff;--surface-2:#f8fbff;--surface-hover:#eef5ff;--border:#cfdaea;--border-soft:#dde6f2;
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}
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.tech-map{position:relative;height:620px;border:1px solid var(--border);border-radius:var(--radius-xl);background:radial-gradient(circle at center,color-mix(in srgb,var(--primary) 9%,var(--surface)),var(--surface-2) 42%,var(--bg-secondary));overflow:hidden;box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}.tech-map::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:34px 34px}.tech-map-lines{position:absolute;inset:0;width:100%;height:100%}.map-links path{fill:none;stroke:color-mix(in srgb,var(--primary) 28%,var(--border));stroke-width:1.2;stroke-dasharray:6 7;animation:dash 14s linear infinite}.tech-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:220px;height:220px;border-radius:50%;display:grid;place-content:center;text-align:center;border:1px solid color-mix(in srgb,var(--primary) 45%,var(--border));background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--primary) 15%,var(--surface)),var(--surface));box-shadow:0 0 80px color-mix(in srgb,var(--primary) 10%,transparent)}.tech-core small{font-size:.6rem;letter-spacing:.18em;color:var(--text-muted)}.tech-core strong{font-size:1.2rem;line-height:1.2;margin:7px 0;color:var(--text)}.tech-core span{font-size:.58rem;color:var(--primary);letter-spacing:.12em}.tech-node{position:absolute;width:150px;padding:11px 12px;text-align:left;border:1px solid var(--border);border-radius:12px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(8px);cursor:pointer;transition:.22s var(--ease)}.tech-node:hover,.tech-node:focus{transform:translateY(-3px) scale(1.02);border-color:var(--primary);box-shadow:0 14px 35px color-mix(in srgb,var(--primary) 10%,transparent);outline:0}.tech-node strong{display:block;font-size:.83rem}.tech-node span{font-size:.67rem;color:var(--text-muted)}.n1{left:5%;top:12%}.n2{left:26%;top:6%}.n3{right:26%;top:6%}.n4{right:5%;top:14%}.n5{right:2%;top:55%}.n6{right:16%;bottom:6%}.n7{left:44%;bottom:3%}.n8{left:15%;bottom:6%}.n9{left:2%;top:55%}.map-tooltip{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);padding:8px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:9px;font-size:.72rem;color:var(--text-muted)}
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.comparison-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.comparison-table{width:100%;border-collapse:collapse;min-width:760px}.comparison-table th,.comparison-table td{padding:16px 18px;border-bottom:1px solid var(--border-soft);text-align:center;font-size:.85rem}.comparison-table thead th{background:var(--surface-2);font-size:.72rem;letter-spacing:.08em}.comparison-table thead th:first-child,.comparison-table tbody th{text-align:left}.comparison-table tbody th{color:var(--text-muted);font-weight:600}.comparison-table tr:last-child td,.comparison-table tr:last-child th{border-bottom:0}
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.architecture-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.arch-card{min-width:0;padding:24px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.arch-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.arch-head span{font-size:.58rem;letter-spacing:.13em;color:var(--primary)}.arch-head h3{margin:0}.flow-diagram{display:flex;align-items:center;gap:7px;overflow-x:auto;padding-bottom:5px}.flow-node{flex:0 0 auto;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);font-size:.68rem;color:var(--text-muted)}.flow-link{width:18px;min-width:18px;height:1px;background:var(--border);position:relative;overflow:hidden}.flow-link span{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--primary);top:-2px;animation:flow 2.3s linear infinite}
.complexity-ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.complexity-step{min-height:190px;padding:22px;border-right:1px solid var(--border);background:var(--surface);position:relative}.complexity-step:last-child{border-right:0}.complexity-step span{color:var(--primary);font-size:.68rem}.complexity-step strong{display:block;margin:38px 0 10px}.complexity-step div{font-size:.67rem;color:var(--text-muted);line-height:1.8}.complexity-step::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:calc(.25 + var(--i,0)*.2)}.complexity-tool{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;margin-top:28px;padding:34px;border:1px solid var(--border);border-radius:var(--radius-xl);background:linear-gradient(145deg,var(--surface),var(--surface-2))}.tool-copy h3{font-size:2rem}.complexity-result{margin-top:24px;padding:18px;border:1px solid var(--border);border-radius:16px;background:var(--bg-secondary)}.complexity-result small{display:block;font-size:.6rem;letter-spacing:.12em;color:var(--text-muted)}.complexity-result strong{display:block;font-size:1.5rem;margin:4px 0 12px;color:var(--success)}.meter{height:6px;background:var(--surface);border-radius:10px;overflow:hidden}.meter span{display:block;width:12%;height:100%;background:linear-gradient(90deg,var(--success),var(--warning),var(--danger));border-radius:10px;transition:.35s}.complexity-result p{font-size:.74rem;margin:10px 0 0}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.check-card{display:flex;align-items:center;gap:10px;min-height:50px;padding:10px 12px;border:1px solid var(--border);border-radius:11px;background:var(--surface-2);cursor:pointer;font-size:.78rem;color:var(--text-muted)}.check-card:hover{border-color:var(--primary)}.check-card input{position:absolute;opacity:0}.check-ui{width:17px;height:17px;border:1px solid var(--border);border-radius:5px;position:relative}.check-card input:checked+.check-ui{background:var(--primary);border-color:var(--primary)}.check-card input:checked+.check-ui::after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#031018;font-size:.68rem;font-weight:900}
.module-toolbar{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:10px;margin-bottom:18px}.module-toolbar select{height:54px;padding:0 13px;border:1px solid var(--border);border-radius:14px;background:var(--surface-2);color:var(--text);outline:0}.module-table-wrap{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:auto;max-height:650px}.module-table{width:100%;border-collapse:collapse}.module-table th{position:sticky;top:0;z-index:3;background:var(--surface-2);padding:13px 16px;text-align:left;font-size:.68rem;letter-spacing:.09em;border-bottom:1px solid var(--border)}.module-table td{padding:13px 16px;border-bottom:1px solid var(--border-soft);font-size:.8rem}.module-table tr:last-child td{border-bottom:0}.module-cat{display:inline-block;padding:4px 7px;border:1px solid var(--border);border-radius:7px;color:var(--primary);font-size:.65rem}.module-desc{display:flex;width:100%;justify-content:space-between;gap:10px;text-align:left;border:0;background:none;color:var(--text-muted);cursor:pointer}.module-desc span{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.module-desc[aria-expanded="true"] span{-webkit-line-clamp:unset}.module-desc i{font-style:normal;color:var(--primary)}.module-mobile{display:none}.module-table tr[hidden],.module-mobile article[hidden]{display:none}
.infra-grid,.backup-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}.infra-copy h2,.backup-copy h2{margin-bottom:20px}.infra-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}.infra-points div{padding:13px;border:1px solid var(--border);border-radius:11px;background:var(--surface)}.infra-points strong{display:block;color:var(--primary);font-size:.62rem;letter-spacing:.1em}.infra-points span{font-size:.74rem;color:var(--text-muted)}.infra-visual,.backup-visual{text-align:center}.security-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}.security-list{display:grid;gap:8px}.security-layer{display:flex;gap:16px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:13px;background:var(--surface)}.security-layer>span{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:color-mix(in srgb,var(--primary) 9%,var(--surface-2));color:var(--primary);font-size:.66rem;font-weight:800}.security-layer h3{font-size:.95rem;margin:0 0 3px}.security-layer p{font-size:.75rem;margin:0}.backup-numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:25px 0}.backup-numbers div{padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.backup-numbers strong{display:block;font-size:2rem;color:var(--primary)}.backup-numbers span{font-size:.72rem;color:var(--text-muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);position:relative}.timeline::before{content:"";position:absolute;left:7%;right:7%;top:19px;height:1px;background:var(--border)}.timeline article{padding:0 22px;position:relative}.timeline-dot{display:block;width:39px;height:39px;border-radius:50%;border:1px solid var(--primary);background:var(--bg-secondary);position:relative;z-index:2;box-shadow:0 0 0 7px var(--bg-secondary)}.timeline-dot::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--primary);inset:0;margin:auto}.timeline small{display:block;margin-top:18px;color:var(--primary);font-size:.65rem}.timeline h3{font-size:1.05rem;margin:8px 0}.timeline p{font-size:.78rem}.models-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.model-card{padding:22px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface)}.model-label{font-size:.58rem;letter-spacing:.13em;color:var(--primary)}.model-card h3{min-height:52px;margin:12px 0 18px}.model-root{padding:9px;border:1px solid color-mix(in srgb,var(--primary) 35%,var(--border));border-radius:9px;text-align:center;font-size:.7rem;color:var(--primary);background:color-mix(in srgb,var(--primary) 6%,var(--surface-2))}.model-tree{margin:0 0 0 18px;padding:10px 0 0 10px;border-left:1px solid var(--border)}.model-tree div{position:relative;padding:6px 0 6px 12px;font-size:.7rem;color:var(--text-muted)}.model-tree div span{position:absolute;left:-10px;top:50%;width:12px;height:1px;background:var(--border)}
.glossary-search{max-width:620px;margin-bottom:22px}.glossary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.glossary-card{padding:20px;border:1px solid var(--border);border-radius:18px;background:var(--surface)}.glossary-card[hidden]{display:none}.glossary-card>div:first-child{display:flex;justify-content:space-between;gap:10px;align-items:center}.glossary-term{font-size:1.45rem;font-weight:800;letter-spacing:-.04em;color:var(--primary)}.glossary-cat{font-size:.62rem;padding:4px 7px;border:1px solid var(--border);border-radius:7px;color:var(--text-muted)}.glossary-card h3{font-size:.85rem;margin:10px 0}.glossary-card p{font-size:.76rem;min-height:78px}.copy-term{border:0;background:none;color:var(--text-muted);padding:0;cursor:pointer;font-size:.68rem}.copy-term:hover{color:var(--primary)}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:start}.faq-copy{position:sticky;top:110px}.faq-copy h2{margin-bottom:16px}.faq-list{display:grid;gap:8px}.faq-item{border:1px solid var(--border);border-radius:14px;background:var(--surface);overflow:hidden}.faq-item h3{margin:0}.faq-item button{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;padding:17px 18px;border:0;background:none;cursor:pointer;font-weight:700;font-size:.9rem}.faq-item button i{font-style:normal;color:var(--primary);font-size:1.2rem;transition:.2s}.faq-item button[aria-expanded="true"] i{transform:rotate(45deg)}.faq-answer{padding:0 18px 17px}.faq-answer p{font-size:.82rem;margin:0}.site-footer{border-top:1px solid var(--border);background:var(--bg-secondary);padding:62px 0 26px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.footer-grid strong{font-size:.72rem;letter-spacing:.09em;color:var(--text)}.footer-grid a,.footer-grid span,.footer-grid p{font-size:.78rem;color:var(--text-muted)}.footer-brand{font-size:1.1rem!important;color:var(--text)!important}.footer-logo{width:270px;max-height:54px}.footer-bottom{display:grid;grid-template-columns:auto 1fr;gap:40px;margin-top:42px;padding-top:20px;border-top:1px solid var(--border-soft)}.footer-bottom span{font-size:.72rem;white-space:nowrap}.footer-bottom p{font-size:.68rem;margin:0}.back-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);cursor:pointer;z-index:900;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s}.back-top.show{opacity:1;transform:none;pointer-events:auto}.floating-nav{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:800;display:grid;gap:8px;padding:10px 7px;border:1px solid var(--border);border-radius:999px;background:color-mix(in srgb,var(--surface) 70%,transparent);backdrop-filter:blur(10px)}.floating-nav a{width:5px;height:5px;border-radius:50%;background:var(--text-muted);opacity:.5}.floating-nav a:hover{background:var(--primary);opacity:1}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s var(--ease),transform .65s var(--ease)}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}
@keyframes dash{to{stroke-dashoffset:-120}}@keyframes flow{from{left:-4px}to{left:100%}}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}}

.project-icon svg{width:22px;height:22px}.icon-btn svg{width:18px;height:18px}
.faq-answer:not([hidden]){animation:faqIn .22s var(--ease)}@keyframes faqIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}