@font-face{font-family:"Geist";src:url(fonts/geist-latin.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(fonts/geist-mono-latin.woff2) format("woff2");font-weight:100 900;font-display:swap}
:root{--bg:#06080a;--panel:rgba(255,255,255,.035);--line:rgba(255,255,255,.09);--text:#eef3ee;--muted:#9aa6a0;--lime:#c6f432;--cyan:#4fd6e8;--amber:#ffc94d;--red:#ff6b6b;--grey:#8b97a0;--sans:"Geist","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;--mono:"Geist Mono",ui-monospace,Consolas,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-snap-type:y proximity}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(60vw 50vh at 85% 10%,rgba(198,244,50,.07),transparent 70%),radial-gradient(50vw 50vh at 5% 95%,rgba(79,214,232,.06),transparent 70%)}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
img{display:block;max-width:100%}

.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:50}
.progress i{display:block;height:100%;width:0;background:var(--lime);transition:width .4s ease}
.topbar{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px clamp(20px,4vw,56px);background:linear-gradient(180deg,rgba(6,8,10,.85),transparent)}
.brand{font-weight:800;letter-spacing:.06em;text-decoration:none;font-size:17px}
.brand span{color:var(--lime);margin-left:6px}
.topbar-title{color:var(--muted);font-size:14px;letter-spacing:.08em}
.topbar-tools{display:flex;align-items:center;gap:14px}
.counter{font-family:var(--mono);font-size:13px;color:var(--muted)}
.tool{border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:999px;padding:6px 14px;font-size:13px}
.tool:hover{border-color:var(--lime);color:var(--lime)}

.dots{position:fixed;right:clamp(12px,2vw,28px);top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:12px}
.dots button{width:10px;height:10px;padding:0;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:transparent;transition:all .25s}
.dots button[aria-current="true"]{background:var(--lime);border-color:var(--lime);transform:scale(1.3)}

.slide{position:relative;min-height:100vh;display:flex;align-items:center;scroll-snap-align:start;padding:96px clamp(20px,6vw,96px) 72px;overflow:hidden}
.slide-inner{width:min(1080px,100%);margin:0 auto;position:relative;z-index:2}
.slide-inner.wide{width:min(1280px,100%)}
.kicker,.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.16em;color:var(--lime);text-transform:uppercase;margin-bottom:18px}
h1{font-size:clamp(56px,9vw,128px);font-weight:700;letter-spacing:-.045em;line-height:1}
h2{font-size:clamp(34px,4.6vw,60px);font-weight:650;letter-spacing:-.03em;line-height:1.15;margin-bottom:22px}
h3{font-size:20px;font-weight:600;line-height:1.35}
.lead{font-size:clamp(17px,1.5vw,21px);color:#c9d3cd;max-width:760px}
.foot{margin-top:40px;color:var(--muted);font-size:15px;padding-top:20px;border-top:1px solid var(--line);max-width:960px}
.foot b{color:var(--text);margin-right:12px;font-weight:600}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.slide.is-in .rv{opacity:1;transform:none}
.slide.is-in .rv:nth-child(2){transition-delay:.06s}.slide.is-in .rv:nth-child(3){transition-delay:.12s}.slide.is-in .rv:nth-child(4){transition-delay:.18s}.slide.is-in .rv:nth-child(5){transition-delay:.24s}.slide.is-in .rv:nth-child(6){transition-delay:.3s}

/* cover */
.cover{padding-top:120px}
.cover-media{position:absolute;inset:0;z-index:0}
.cover-media img{width:100%;height:100%;object-fit:cover;object-position:70% center;transform:scale(1.04);transition:transform 8s ease-out}
.cover.is-in .cover-media img{transform:scale(1)}
.cover-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#06080a 0%,rgba(6,8,10,.92) 30%,rgba(6,8,10,.35) 65%,rgba(6,8,10,.15)),linear-gradient(0deg,#06080a 0%,transparent 30%)}
.cover-sub{font-size:clamp(24px,2.6vw,36px);font-weight:500;margin:18px 0 26px;color:var(--lime);letter-spacing:-.01em}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chips li{border:1px solid rgba(198,244,50,.35);background:rgba(198,244,50,.06);color:#e3f6b2;border-radius:999px;padding:7px 16px;font-size:14px}
.cta{margin-top:40px;border:0;background:var(--lime);color:#0b0f05;font-weight:650;border-radius:999px;padding:14px 28px;font-size:16px;transition:transform .2s,box-shadow .2s}
.cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(198,244,50,.25)}
.img-note{position:absolute;right:clamp(20px,4vw,56px);bottom:22px;z-index:2;font-size:12px;color:rgba(255,255,255,.45)}

/* pain */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.pain{position:relative;padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}
.pain svg,.flow-ico svg{width:40px;height:40px;fill:none;stroke:var(--lime);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pain b{position:absolute;top:24px;right:26px;font-family:var(--mono);color:rgba(255,255,255,.25);font-weight:500}
.pain h3{margin:20px 0 8px}
.pain p{color:var(--muted);font-size:15px}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px;position:relative}
.flow::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--lime),transparent);opacity:.5}
.flow li{position:relative;text-align:center;padding:0 8px}
.flow-ico{width:68px;height:68px;margin:0 auto 18px;display:grid;place-items:center;border-radius:50%;background:#0b100c;border:1px solid rgba(198,244,50,.4);box-shadow:0 0 0 8px var(--bg)}
.flow-ico svg{width:30px;height:30px}
.flow b{display:block;font-size:20px;margin-bottom:8px}
.flow p{color:var(--muted);font-size:15px}

/* demo */
.demo-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}
.demo-head h2{margin-bottom:0}
.demo-controls{display:flex;gap:8px}
.demo-controls button{border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:999px;min-width:46px;height:42px;padding:0 16px}
.demo-controls button:hover,.demo-controls button[aria-pressed="true"]{border-color:var(--lime);color:var(--lime)}
.demo-grid{display:grid;grid-template-columns:minmax(300px,.8fr) 1.4fr;gap:26px;align-items:start}
.talk{position:relative;display:flex;flex-direction:column;gap:8px;max-height:70vh;overflow:auto;padding-right:4px}
.talk li button{width:100%;text-align:left;display:grid;grid-template-columns:30px 1fr;gap:4px 12px;padding:9px 14px;border:1px solid transparent;border-radius:14px;background:transparent;opacity:.5;transition:all .25s}
.talk li button:hover{opacity:.85}
.talk li button[aria-current="step"]{opacity:1;border-color:rgba(198,244,50,.4);background:rgba(198,244,50,.06)}
.talk .mode{grid-row:span 2;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:13px;background:rgba(255,255,255,.07)}
.talk .mode.voice{background:rgba(79,214,232,.15);color:var(--cyan)}
.talk .mode.text{background:rgba(198,244,50,.12);color:var(--lime)}
.talk .say{font-size:15px;font-weight:550}
.talk .tag{font-size:12px;color:var(--muted)}
.viewport{position:relative;aspect-ratio:4/3;border-radius:24px;overflow:hidden;background:linear-gradient(160deg,#16222a,#070b0e);border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.5)}
.viewport-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8) brightness(.8)}
.viewport::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 120px rgba(0,0,0,.65);border-radius:24px}
.viewport figcaption{position:absolute;left:16px;right:16px;bottom:12px;z-index:3;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:rgba(255,255,255,.6)}
.vp-point{color:var(--lime);font-weight:600}

/* ARUI board (HUD) */
.board{position:absolute;z-index:2;left:7%;top:8%;width:56%;min-height:46%;padding:18px 20px;border-radius:16px;background:rgba(4,8,7,.86);border:1px solid rgba(198,244,50,.45);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#f4faf6;font-size:14px;--st:var(--lime);transition:border-color .3s}
.board[data-state="待命"]{--st:var(--grey)}.board[data-state="处理中"]{--st:var(--cyan)}.board[data-state="待确认"]{--st:var(--amber)}.board[data-state="完成"]{--st:var(--lime)}.board[data-state="异常"]{--st:var(--red)}
.board{border-color:color-mix(in srgb,var(--st) 55%,transparent)}
.b-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}
.b-state{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--st);font-size:15px}
.b-state i{width:8px;height:8px;border-radius:50%;background:var(--st);box-shadow:0 0 10px var(--st)}
.board[data-state="处理中"] .b-state i{animation:pulse .8s infinite alternate}
.b-req{font-family:var(--mono);font-size:12px;color:rgba(255,255,255,.55)}
.b-ch{font-size:16px;color:#d5e0da}
.b-delta{font-family:var(--mono);font-size:30px;font-weight:600;color:var(--st);letter-spacing:-.02em;line-height:1.2;margin:4px 0 10px;transition:font-size .35s}
.board[data-layout="delta"] .b-delta{font-size:46px}
.board[data-layout="delta"] .b-rows{display:none}
.b-rows{display:grid;grid-template-columns:auto 1fr;gap:3px 14px;font-size:13px;color:#c7d3cc}
.b-rows dt{color:rgba(255,255,255,.5)}
.b-rows dd{margin:0;font-family:var(--mono)}
.b-msg{font-size:15px;line-height:1.55;color:#eef5f0}
.b-stale{margin-top:12px;padding-top:10px;border-top:1px dashed rgba(255,255,255,.2);opacity:.5;font-size:13px}
.b-foot{margin-top:14px;font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.04em}
.b-foot b{color:var(--amber);font-weight:600}
.board.flash{animation:flash .45s ease}
@keyframes pulse{to{opacity:.25}}
@keyframes flash{from{transform:translateY(6px);opacity:.4}to{transform:none;opacity:1}}

/* ARUI states */
.arui-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center;margin-top:20px}
.principles{display:flex;flex-direction:column;gap:22px}
.principles li{padding-left:20px;border-left:2px solid rgba(198,244,50,.5)}
.principles b{font-size:19px;display:block;margin-bottom:4px}
.principles p{color:var(--muted);font-size:15px}
.states{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.states .mini{position:relative;min-height:128px;border-radius:14px;padding:14px;background:rgba(5,10,9,.8);border:1px solid color-mix(in srgb,var(--st) 55%,transparent);--st:var(--lime);font-size:12px}
.states .mini:first-child{grid-column:span 2;min-height:96px}
.mini .b-state{font-size:13px}
.mini p{margin-top:8px;color:#cfdad3;font-size:13px}
.mini .b-delta{font-size:22px;margin:6px 0 0}

/* columns */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.col{padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}
.col-tag{display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--lime);border:1px solid rgba(198,244,50,.35);border-radius:999px;padding:4px 12px;margin-bottom:16px}
.col h3{margin-bottom:14px}
.col li{position:relative;padding-left:18px;color:#c3cec8;font-size:15px;margin-top:10px}
.col li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:50%;background:var(--lime)}
.status-cols .doing .col-tag{color:var(--amber);border-color:rgba(255,201,77,.4)}
.status-cols .doing li::before{background:var(--amber)}
.status-cols .note .col-tag{color:var(--grey);border-color:rgba(139,151,160,.4)}
.status-cols .note li::before{background:var(--grey)}

/* edge */
.edge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.edge{position:relative;padding:34px 28px;border-radius:22px;background:linear-gradient(160deg,rgba(198,244,50,.09),rgba(255,255,255,.02) 55%);border:1px solid rgba(198,244,50,.22);overflow:hidden}
.edge-num{font-family:var(--mono);font-size:64px;font-weight:700;line-height:1;color:rgba(198,244,50,.18);position:absolute;right:20px;top:16px}
.edge h3{font-size:23px;margin-bottom:14px;position:relative}
.edge p{color:#c3cec8;font-size:15px;position:relative}

/* compare */
.compare{margin-top:36px;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.cmp-row{display:grid;grid-template-columns:140px 1fr 1fr;border-top:1px solid var(--line)}
.cmp-row:first-child{border-top:0}
.cmp-row>*{padding:18px 24px}
.cmp-head span{font-size:13px;letter-spacing:.1em;color:var(--muted)}
.cmp-row span:last-child{color:var(--lime);background:rgba(198,244,50,.05);font-weight:550}
.cmp-row span:nth-child(2){color:var(--muted)}
.cmp-head span:last-child{color:var(--lime)}

/* road */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px;counter-reset:r}
.road li{padding:26px;border-top:2px solid var(--lime);background:var(--panel);border-radius:0 0 18px 18px}
.road span{font-family:var(--mono);color:var(--lime);font-size:14px}
.road h3{margin:10px 0 8px}
.road p{color:var(--muted);font-size:15px}

/* end */
.end-inner{text-align:center}
.end h2{font-size:clamp(40px,6vw,84px)}
.end .lead{margin:0 auto}
.end-links{margin-top:36px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.end-links a,.end-links button{border:1px solid var(--line);border-radius:999px;padding:10px 20px;text-decoration:none;background:rgba(255,255,255,.04);font-size:14px}
.end-links a:hover,.end-links button:hover{border-color:var(--lime);color:var(--lime)}

@media(max-width:900px){
  .pain-grid,.flow,.cols3,.edge-grid,.road,.demo-grid,.arui-grid{grid-template-columns:1fr}
  .flow::before,.dots,.topbar-title{display:none}
  .cmp-row{grid-template-columns:90px 1fr 1fr}.cmp-row>*{padding:12px}
  .board{width:80%;left:10%}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rv{opacity:1;transform:none;transition:none}*{animation:none!important}}

/* opening intro */
.intro{position:fixed;inset:0;z-index:100;background:#030405;display:grid;place-items:center;transition:opacity .7s ease,visibility .7s}
.no-intro .intro{display:none}
.intro.is-out{opacity:0;visibility:hidden}
.intro canvas{position:absolute;inset:0;width:100%;height:100%}
.intro-read{position:absolute;left:0;top:0;margin:0;font-family:var(--mono);font-size:15px;color:var(--lime);letter-spacing:.04em;white-space:nowrap;opacity:0;transform:translate(-50%,-140%);transition:opacity .4s ease}
.intro-read span{color:rgba(255,255,255,.6);margin-right:6px}
.intro.show-read .intro-read{opacity:1}
.intro-copy{position:absolute;left:0;right:0;top:62%;text-align:center}
.intro-mark{font-size:clamp(34px,5vw,64px);font-weight:800;letter-spacing:.08em;opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.intro-mark span{color:var(--lime);margin-left:.3em}
.intro-tag{margin-top:10px;color:var(--muted);letter-spacing:.3em;font-size:14px;opacity:0;transition:opacity .7s ease .25s}
.intro.show-mark .intro-mark{opacity:1;transform:none}
.intro.show-mark .intro-tag{opacity:1}
.intro-skip{position:absolute;right:28px;top:22px;border:1px solid rgba(255,255,255,.18);background:transparent;color:rgba(255,255,255,.7);border-radius:999px;padding:6px 16px;font-size:13px}
.intro-skip:hover{border-color:var(--lime);color:var(--lime)}
.intro-on .slide.is-in .rv{opacity:0;transform:translateY(18px)}
.intro-on .topbar,.intro-on .dots{opacity:0}
.topbar,.dots{transition:opacity .6s ease}

/* simulator slide */
.sim-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:20px;margin-top:30px;align-items:start}
.sim-grid figure{margin:0}
.sim-shot img,.sim-video video{width:100%;display:block;border-radius:16px;border:1px solid var(--line);background:#000}
.sim-side{display:flex;flex-direction:column;gap:16px}.sim-shot img{aspect-ratio:1480/980;object-fit:cover;object-position:left top}
.sim-grid figcaption{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.5}
.sim-grid figcaption b{color:var(--lime);font-weight:600;margin-right:10px}
.mono-screen{background:#000;border-radius:16px;border:1px solid var(--line);padding:20px 26px;font-family:var(--mono);color:#f4faf6;display:flex;flex-direction:column;justify-content:center;box-shadow:inset 0 0 40px rgba(198,244,50,.05)}
.mono-screen p{margin:0}
.mono-state{color:var(--lime);font-size:14px;font-weight:600}
.mono-ch{margin-top:10px;font-size:16px;color:#d5e0da}
.mono-delta{font-size:clamp(26px,2.6vw,38px);color:var(--lime);font-weight:600;margin:4px 0 6px}
.mono-row{font-size:13px;color:#c7d3cc}
.mono-foot{margin-top:14px;font-size:11px;color:rgba(255,255,255,.5)}
@media(max-width:900px){.sim-grid{grid-template-columns:1fr}}