:root{--bg:#0f0f0d;--panel:#181814;--panel2:#20201b;--line:#343329;--text:#f6f3e9;--muted:#9b988b;--yellow:#f6be3c;--yellow2:#ffda72;--red:#ff7474;--green:#7fd4a5;--code:#11110f;--sidebar:268px;scroll-behavior:smooth;color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}
a{color:inherit}code,pre{font-family:"Cascadia Code","SFMono-Regular",Consolas,monospace}
.skip-link{position:fixed;top:-50px;left:16px;z-index:99;background:var(--yellow);color:#18140b;padding:8px 14px;border-radius:8px}.skip-link:focus{top:10px}
.topbar{height:76px;position:fixed;z-index:30;inset:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 26px;border-bottom:1px solid var(--line);background:rgba(15,15,13,.9);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--yellow);color:#17140b;font-weight:950;font-size:23px;box-shadow:0 10px 30px rgba(246,190,60,.17)}.brand strong{display:block;font-size:18px;line-height:1.1}.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:1.7px;margin-top:5px}
.top-actions{display:flex;align-items:center;gap:10px}.search{position:relative}.search span{position:absolute;left:12px;top:7px;color:var(--muted);font-size:12px}.search input{width:260px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:0 12px 0 52px;color:var(--text);outline:none}.search input:focus{border-color:var(--yellow);box-shadow:0 0 0 3px rgba(246,190,60,.12)}.menu-button{display:none;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);padding:0 14px}
.layout{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);padding-top:76px}.sidebar{position:fixed;top:76px;bottom:0;width:var(--sidebar);padding:26px 18px;border-right:1px solid var(--line);overflow:auto;background:#12120f}.sidebar nav p{margin:20px 10px 6px;color:#66645b;font-size:10px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase}.sidebar nav p:first-child{margin-top:0}.sidebar nav a{display:block;padding:7px 10px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:13px}.sidebar nav a:hover,.sidebar nav a.active{background:var(--panel2);color:var(--text)}.sidebar nav a.active{box-shadow:inset 2px 0 var(--yellow)}.sidebar-note{margin:24px 8px 4px;padding-top:18px;border-top:1px solid var(--line);color:#777469;font-size:11px}.sidebar-note span{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:8px}
main{grid-column:2;max-width:1100px;width:100%;margin:0 auto;padding:0 64px 80px}section{padding:90px 0;border-bottom:1px solid var(--line);scroll-margin-top:70px}.hero{padding-top:105px}.eyebrow{color:var(--yellow);font-size:11px;font-weight:800;letter-spacing:2.2px}.hero h1{font-size:clamp(48px,7vw,82px);line-height:1.03;letter-spacing:-4px;margin:18px 0 24px;max-width:850px}.hero h1 em{font-style:normal;color:var(--yellow)}.lead{max-width:750px;color:#b6b2a5;font-size:18px}.hero-actions{display:flex;gap:12px;margin:30px 0 54px}.hero-actions a{padding:11px 18px;border-radius:10px;text-decoration:none;font-weight:700;font-size:13px}.primary{background:var(--yellow);color:#18140b}.secondary{border:1px solid var(--line);background:var(--panel)}
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:14px;align-items:center;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.flow div{min-height:92px;padding:14px;border-radius:11px;background:var(--panel2)}.flow span{display:block;color:var(--yellow);font:700 10px/1 monospace}.flow strong,.flow small{display:block}.flow strong{margin-top:13px}.flow small{color:var(--muted);font-size:11px}.flow i{color:#575449;font-style:normal}.flow .muted{border:1px dashed #4a493f;background:#151512}
.section-heading{display:flex;gap:18px;align-items:flex-start;margin-bottom:34px}.section-heading>span{color:var(--yellow);font:700 12px/1.2 monospace;margin-top:8px}.section-heading p{margin:0;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:1.8px}.section-heading h2{margin:2px 0 0;font-size:clamp(28px,4vw,42px);line-height:1.2;letter-spacing:-1.5px}
.status-grid,.trust-map,.platforms,.tabs,.do-dont{display:grid;grid-template-columns:1fr 1fr;gap:16px}.status-grid article,.trust-map>div,.tabs>div,.do-dont>div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}.status-grid h3{margin:14px 0 10px}.tag{display:inline-block;border-radius:999px;padding:4px 10px;font-size:10px;font-weight:800;letter-spacing:1px}.prototype{background:#332b1d;color:var(--yellow2)}.target{background:#173125;color:var(--green)}ul{padding-left:21px}.status-grid li,.trust-map li,.do-dont li{color:#bbb7a9}
.callout{margin-top:24px;padding:18px 20px;background:#242115;border-left:3px solid var(--yellow);border-radius:0 10px 10px 0;color:#c9c4b5}.warning{border-color:#eea938;background:#271f13}.danger{border-color:var(--red);background:#291718}
.steps{display:grid;gap:4px}.steps article{display:grid;grid-template-columns:44px minmax(0,1fr);gap:18px;padding:24px 0;border-top:1px solid var(--line)}.steps article>div,.tabs>div,.cards article,.platforms article,.status-grid article,.trust-map>div{min-width:0}.steps article>b{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--yellow);color:#1a160c}.steps h3{margin:2px 0 8px}.steps p{color:var(--muted)}
pre{position:relative;overflow:auto;background:var(--code);border:1px solid var(--line);border-radius:12px;padding:18px 20px;color:#ddd7c7;line-height:1.55;font-size:12px}code{font-size:.9em}p code,li code{padding:2px 5px;border-radius:5px;background:var(--panel2);color:var(--yellow2)}.copy-button{position:absolute;right:8px;top:8px;border:1px solid var(--line);border-radius:7px;background:var(--panel2);color:var(--muted);padding:4px 8px;font-size:10px;cursor:pointer}.copy-button:hover{color:var(--text)}
.trust-map h3{margin-top:0}.trusted{border-top:2px solid var(--green)!important}.untrusted{border-top:2px solid var(--yellow)!important}
.key-stack{display:grid;grid-template-columns:1fr 36px 1fr 36px 1fr;align-items:stretch}.key-stack>div{display:grid;place-items:center;color:var(--yellow);font-size:20px}.key-stack article{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:13px}.key-stack span{font:700 10px monospace;color:var(--yellow);letter-spacing:1.4px}.key-stack h3{margin:13px 0 6px}.key-stack p{color:var(--muted);font-size:13px}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}.spec-grid div{padding:14px;background:#151512;border:1px solid var(--line);border-radius:9px}.spec-grid small,.spec-grid strong{display:block}.spec-grid small{color:var(--muted);font-size:10px}.spec-grid strong{font-size:12px;margin-top:5px}
.cards{display:grid;gap:12px;margin:22px 0}.cards.three{grid-template-columns:repeat(3,1fr)}.cards article{padding:19px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.cards article b{color:var(--yellow)}.cards p{color:var(--muted);font-size:13px}
.platforms article{display:flex;gap:16px;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.platform-icon{flex:0 0 44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--yellow);color:#18140b;font-weight:900}.platforms h3{margin:0}.platforms p{color:var(--muted);font-size:13px}.lockscreen{max-width:360px;margin:28px auto 0;padding:22px;border-radius:17px;background:linear-gradient(145deg,#2a2924,#181816);border:1px solid #45433b;box-shadow:0 20px 60px #000}.lockscreen small,.lockscreen strong{display:block}.lockscreen small{color:var(--muted)}.lockscreen strong{margin-top:16px}.lockscreen p{margin:2px 0}
.history-demo{display:grid;grid-template-columns:220px 1fr;min-height:330px;background:var(--panel);border:1px solid var(--line);border-radius:15px;overflow:hidden}.history-demo aside{padding:20px;border-right:1px solid var(--line)}.history-demo button{display:flex;justify-content:space-between;width:100%;border:0;border-radius:8px;background:transparent;color:var(--muted);padding:10px;margin-top:6px;text-align:left}.history-demo button.active{background:var(--yellow);color:#19150c}.history-demo>div{padding:26px}.history-demo>div>small{color:var(--muted)}.history-demo article{margin-top:16px;padding:16px;background:var(--panel2);border-radius:10px}.history-demo article p{margin:3px 0;color:var(--muted)}
.timeline,.roadmap{list-style:none;padding:0}.timeline li{display:grid;grid-template-columns:230px 1fr;padding:17px 0;border-top:1px solid var(--line)}.timeline span{color:var(--muted)}
.server-stack{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:22px}.server-stack div{padding:20px;background:var(--panel);border-right:1px solid var(--line);font-weight:700}.server-stack div:last-child{border:0}.server-stack small{display:block;color:var(--muted);font-size:10px;margin-top:5px;font-weight:400}
.roadmap li{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:17px 0;border-top:1px solid var(--line)}.roadmap li>span{color:var(--yellow);font:700 11px monospace}.roadmap p{margin:3px 0;color:var(--muted);font-size:13px}.checklist{display:grid;gap:8px}.checklist label{padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:#c7c2b4}.checklist input{margin-right:11px;accent-color:var(--yellow)}
footer{display:flex;align-items:center;gap:12px;padding:42px 0;color:var(--muted)}footer p{margin:0}footer strong{color:var(--text)}footer a{margin-left:auto;color:var(--yellow);text-decoration:none}.brand-mark.small{width:34px;height:34px;border-radius:9px;font-size:18px}.no-results{text-align:center;padding:70px 20px}.no-results p{color:var(--muted)}.search-hidden{display:none!important}
@media(max-width:900px){:root{--sidebar:250px}.search input{width:210px}main{padding:0 32px}.flow{grid-template-columns:1fr 1fr}.flow i{display:none}.key-stack{grid-template-columns:1fr}.key-stack>div{height:30px}.spec-grid,.server-stack{grid-template-columns:1fr 1fr}.cards.three{grid-template-columns:1fr}}
@media(max-width:700px){.topbar{padding:0 15px}.brand small{display:none}.search input{width:150px}.menu-button{display:block}.layout{display:block}.sidebar{z-index:25;transform:translateX(-105%);transition:transform .2s;width:min(86vw,300px);box-shadow:20px 0 50px #000}.sidebar.open{transform:translateX(0)}main{padding:0 20px}.hero{padding-top:70px}.hero h1{font-size:47px;letter-spacing:-2.5px}.flow,.status-grid,.trust-map,.platforms,.tabs,.do-dont,.history-demo{grid-template-columns:1fr}.history-demo aside{border-right:0;border-bottom:1px solid var(--line)}.server-stack,.spec-grid{grid-template-columns:1fr}.server-stack div{border-right:0;border-bottom:1px solid var(--line)}.timeline li{grid-template-columns:1fr;gap:4px}.section-heading{gap:10px}section{padding:68px 0}}
@media(max-width:440px){.search{display:none}.hero h1{font-size:40px}.hero-actions{flex-direction:column}.hero-actions a{text-align:center}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}