:root{
  --bg:#0b0d12; --bg2:#10131a; --panel:rgba(255,255,255,.04); --line:rgba(255,255,255,.09);
  --tx:#f3f1ec; --tx2:#b9b6ae; --tx3:#7f7c75;
  --amber:#FFC24B; --amber2:#ff9f2e; --blue:#5aa8ff; --green:#3ddc97; --red:#ff6b5b;
  --r:18px; --font:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  --mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--tx);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:10px}
.wrap{max-width:1320px;margin:0 auto;padding:0 28px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:16px;top:-60px;z-index:99;background:var(--amber);color:#111;padding:10px 16px;border-radius:10px;font-weight:700}
.skip:focus{top:12px}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);font-weight:700}
.muted{color:var(--tx3)}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;background:rgba(11,13,18,.62);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.02em}
.brand svg{width:30px;height:30px;color:var(--amber)}
.brand b{margin-left:6px;font-weight:800;color:var(--amber)}
.nav nav{display:flex;gap:22px;margin-left:auto;font-size:14.5px;color:var(--tx2)}
.nav nav a:hover{color:var(--tx)}
.tag-acc{font-size:12.5px;padding:6px 12px;border:1px solid rgba(255,194,75,.4);border-radius:99px;color:var(--amber);white-space:nowrap}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 24px;border-radius:14px;font-weight:700;font-size:16px;transition:transform .15s,background .2s,box-shadow .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--amber),var(--amber2));color:#1a1206;box-shadow:0 10px 30px -10px rgba(255,170,50,.65)}
.btn-primary:hover{box-shadow:0 14px 36px -8px rgba(255,170,50,.8)}
.btn-ghost{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-block{width:100%}

/* hero */
.hero{position:relative;min-height:min(100vh,900px);display:flex;align-items:center;overflow:hidden;padding:110px 0 70px}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:70% 40%}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(11,13,18,.96) 0%,rgba(11,13,18,.82) 34%,rgba(11,13,18,.25) 64%,rgba(11,13,18,.1) 100%),
  linear-gradient(0deg,var(--bg) 0%,rgba(11,13,18,0) 28%)}
.hero-in{position:relative;z-index:2;width:100%}
.hero h1{font-size:clamp(38px,5.6vw,76px);line-height:1.12;font-weight:900;letter-spacing:-.01em;margin:18px 0 22px;max-width:14em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--amber),#ffe1a1);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{max-width:34em;font-size:clamp(16px,1.5vw,19px);color:var(--tx2)}
.lead strong{color:var(--tx)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{list-style:none;display:flex;flex-wrap:wrap;gap:12px;margin-top:46px}
.hero-stats li{padding:14px 20px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid var(--line);backdrop-filter:blur(8px);min-width:118px}
.hero-stats b{display:block;font-size:28px;line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--tx2)}

/* sections */
section{scroll-margin-top:70px}
.sec-head{max-width:820px;margin-bottom:34px}
.sec-head h2{font-size:clamp(28px,3.4vw,44px);line-height:1.2;font-weight:850;margin-top:10px}
.sec-sub{margin-top:12px;color:var(--tx2);font-size:16px}
.demo,.why,.tech,.progress,.voices,.team{padding:96px 0}
.demo{background:radial-gradient(1200px 600px at 50% -10%,rgba(255,194,75,.08),transparent 60%),var(--bg)}

/* stage */
.stage{display:grid;grid-template-columns:minmax(0,1.15fr) 340px minmax(0,1fr);gap:22px;align-items:stretch}
.panel{background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;position:relative}
.panel-head{display:flex;align-items:center;gap:9px;margin-bottom:12px}
.panel-head h3{font-size:15px;font-weight:750}
.ph-note{margin-left:auto;font-size:12px;color:var(--tx3)}
.dot{width:8px;height:8px;border-radius:50%}
.dot-amber{background:var(--amber);box-shadow:0 0 10px var(--amber)}.dot-blue{background:var(--blue);box-shadow:0 0 10px var(--blue)}.dot-green{background:var(--green);box-shadow:0 0 10px var(--green)}.dot-gray{background:var(--tx3)}
.legend{margin-left:auto;display:flex;gap:14px;font-size:12px;color:var(--tx2)}
.legend span{display:flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%}
.lg-walker{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.lg-gps{border:2px solid var(--red)}
.lg-cmp{width:16px!important;height:0!important;border-top:2px dashed #9aa3b5;border-radius:0!important}
.lg-cmp-item{opacity:.35;transition:opacity .3s}.cmp-on .lg-cmp-item{opacity:1}
.map-panel{display:flex;flex-direction:column}
.map-wrap{position:relative;flex:1;min-height:420px;border-radius:14px;overflow:hidden;background:#0e1219}
#map{position:absolute;inset:0;width:100%;height:100%}
.map-toast{position:absolute;left:14px;right:14px;bottom:14px;padding:12px 14px;border-radius:12px;background:rgba(14,18,25,.92);border:1px solid rgba(255,194,75,.35);font-size:13.5px;line-height:1.5;color:var(--tx);transform:translateY(12px);opacity:0;transition:.35s;pointer-events:none;backdrop-filter:blur(6px)}
.map-toast.on{opacity:1;transform:none}
.map-toast b{color:var(--amber)}
.light-badge{position:absolute;top:14px;left:14px;display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:99px;background:rgba(14,18,25,.9);border:1px solid var(--line);font-size:13px;opacity:0;transition:.3s}
.light-badge.on{opacity:1}
.light-badge .lamp{width:12px;height:12px;border-radius:50%;background:var(--red);box-shadow:0 0 12px var(--red)}
.light-badge.green .lamp{background:var(--green);box-shadow:0 0 12px var(--green)}
.light-badge em{font-style:normal;color:var(--tx3);font-variant-numeric:tabular-nums}

/* phone */
.phone-col{display:flex;justify-content:center;align-items:flex-start}
.phone{width:330px;height:680px;border-radius:52px;padding:12px;background:linear-gradient(145deg,#2a2d35,#121419);box-shadow:0 0 0 1.5px #3a3e48,0 40px 90px -30px rgba(0,0,0,.9),0 0 80px -20px rgba(255,194,75,.18);position:relative;transition:transform .1s}
.phone-notch{position:absolute;top:22px;left:50%;transform:translateX(-50%);width:96px;height:28px;border-radius:20px;background:#000;z-index:3}
.screen{position:relative;height:100%;border-radius:41px;background:#07080b;overflow:hidden}
.sb{display:flex;justify-content:space-between;align-items:center;padding:18px 30px 0 34px;font-size:12.5px;font-weight:600;color:#ddd;height:50px}
.view{position:absolute;inset:50px 0 0;padding:16px 20px 20px;display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:opacity .35s}
.view.is-on{opacity:1;visibility:visible}
.v-kicker{font-size:12px;color:var(--amber);font-weight:700;letter-spacing:.06em;margin-top:6px}
.v-title{font-size:24px;line-height:1.25;font-weight:850;margin:6px 0 4px}
.v-meta{color:var(--tx2);font-size:14px}.v-meta b{color:var(--tx);font-size:18px}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}
.chips li{font-size:12.5px;padding:5px 10px;border-radius:99px;background:rgba(255,255,255,.07);border:1px solid var(--line)}
.segs{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:2px;margin-bottom:auto}
.segs li{counter-increment:s;position:relative;padding:10px 0 10px 40px;border-bottom:1px solid var(--line)}
.segs li::before{content:counter(s);position:absolute;left:0;top:12px;width:26px;height:26px;border-radius:50%;background:rgba(255,194,75,.14);color:var(--amber);font-weight:800;font-size:13px;display:grid;place-items:center}
.segs b{display:block;font-size:15.5px}.segs span{font-size:12.5px;color:var(--tx2)}
.v-hint{font-size:12px;color:var(--tx3);text-align:center;margin-top:10px}
#phoneStart{height:58px;font-size:18px;margin-top:16px}

.nav-top{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--tx2);margin-top:4px}
.nav-top b{color:var(--tx);font-size:18px;font-variant-numeric:tabular-nums}
.stage-chip{font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px;background:rgba(255,255,255,.08);color:var(--tx2);transition:.25s}
.stage-chip.s20{background:rgba(90,168,255,.18);color:var(--blue)}
.stage-chip.s10{background:rgba(255,194,75,.2);color:var(--amber)}
.stage-chip.s3{background:var(--amber);color:#1a1206}
.stage-chip.sw{background:rgba(255,107,91,.2);color:var(--red)}
.action-card{margin-top:12px;display:flex;gap:14px;align-items:center;padding:16px;border-radius:22px;background:linear-gradient(135deg,#1d2230,#141822);border:1px solid var(--line);transition:background .3s,border-color .3s}
.action-card.hot{background:linear-gradient(135deg,#3a2a0c,#21180a);border-color:rgba(255,194,75,.5)}
.ac-icon{width:62px;height:62px;flex:none;border-radius:18px;background:rgba(255,194,75,.14);display:grid;place-items:center;font-size:30px}
.ac-icon svg{width:40px;height:40px}
.ac-title{font-size:17.5px;font-weight:800;line-height:1.3}
.ac-dist{display:flex;align-items:baseline;gap:4px;margin-top:2px}
.ac-dist b{font-size:40px;line-height:1;font-weight:900;font-variant-numeric:tabular-nums;color:var(--amber)}
.ac-dist span{color:var(--tx2);font-size:14px}
.dial-wrap{display:flex;flex-direction:column;align-items:center;margin-top:10px}
#dial{width:200px;height:200px}
.dial-cap{font-size:14px;font-weight:700;color:var(--tx2);margin-top:-2px}
.caption{margin-top:auto;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--line);min-height:74px}
.cap-tag{font-size:11px;font-weight:800;padding:2px 8px;border-radius:6px;background:rgba(90,168,255,.2);color:var(--blue)}
.cap-tag.pre{background:rgba(255,107,91,.2);color:var(--red)}
.caption p{font-size:15px;font-weight:650;margin-top:6px;line-height:1.45}
.cmp-strip{display:none;margin-top:8px;padding:10px 12px;border-radius:14px;border:1px dashed rgba(154,163,181,.5);background:rgba(154,163,181,.06)}
.cmp-on .cmp-strip{display:block}
.cmp-strip span{font-size:11px;color:var(--tx3);font-weight:700}
.cmp-strip p{font-size:13.5px;color:#c8cdd8}
.view-done{align-items:center;text-align:center;justify-content:center}
.done-ico{width:86px;height:86px;border-radius:50%;display:grid;place-items:center;font-size:44px;font-weight:900;background:radial-gradient(circle,rgba(61,220,151,.3),rgba(61,220,151,.08));color:var(--green);border:2px solid rgba(61,220,151,.6);margin-bottom:14px}
.done-stats{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%;margin:18px 0 6px}
.done-stats li{padding:12px 4px;border-radius:14px;background:rgba(255,255,255,.05)}
.done-stats b{display:block;font-size:22px;font-weight:850;font-variant-numeric:tabular-nums}
.done-stats span{font-size:11px;color:var(--tx2)}
#phoneAgain{margin-top:18px}
.phone.shaking{animation:shake .14s infinite}
@keyframes shake{0%{transform:translate(0,0) rotate(0)}25%{transform:translate(-5px,2px) rotate(-2deg)}50%{transform:translate(4px,-2px) rotate(1.6deg)}75%{transform:translate(-3px,3px) rotate(-1deg)}100%{transform:translate(0,0) rotate(0)}}

/* side */
.side{display:flex;flex-direction:column;gap:16px;min-width:0}
.tts-list{list-style:none;display:flex;flex-direction:column;gap:7px;height:170px;overflow:hidden;mask-image:linear-gradient(180deg,#000 70%,transparent)}
.tts-list li{display:flex;gap:8px;align-items:flex-start;font-size:13px;padding:7px 10px;border-radius:10px;background:rgba(255,255,255,.04);animation:in .3s ease}
@keyframes in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.tts-list .tg{flex:none;font-size:10.5px;font-weight:800;padding:1px 6px;border-radius:5px;margin-top:2px}
.tg.pre{background:rgba(255,107,91,.2);color:var(--red)}.tg.q{background:rgba(90,168,255,.2);color:var(--blue)}
.tts-list .tx{flex:1;min-width:0}
.tts-list .st{flex:none;font-size:11px;color:var(--tx3);margin-top:2px}
.tts-list li.on{background:rgba(255,194,75,.1);box-shadow:inset 2px 0 0 var(--amber)}
.tts-list li.on .st{color:var(--amber)}
.tts-list li.cut .tx{text-decoration:line-through;color:var(--tx3)}
.tts-empty{color:var(--tx3);font-size:13px}
.fusion{display:flex;flex-direction:column;gap:10px}
.f-row{display:grid;grid-template-columns:72px 1fr;align-items:center;gap:4px 10px}
.f-k{font-size:12.5px;color:var(--tx3)}
.f-v{font-size:14px;font-weight:750}
.f-row .bar{grid-column:1/-1;height:6px;border-radius:9px;background:rgba(255,255,255,.07);overflow:hidden}
.bar i{display:block;height:100%;width:30%;border-radius:9px;background:linear-gradient(90deg,var(--green),#9ff0c9);transition:width .4s,background .3s}
.bar i.warn{background:linear-gradient(90deg,var(--blue),#b7dbff)}
.bar i.bad{background:linear-gradient(90deg,var(--red),#ffb1a8)}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}
.vs>div{padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.vs span{display:block;font-size:11.5px;color:var(--tx3)}
.vs b{font-size:28px;font-weight:900;font-variant-numeric:tabular-nums;transition:color .3s}
.vs em{font-style:normal;font-size:12px;color:var(--tx2);margin-left:3px}
.vs .vs-q{border-color:rgba(61,220,151,.35)}.vs .vs-q b{color:var(--green)}
.vs b.bad{color:var(--red)}
.f-note{font-size:12.5px;color:var(--tx2);min-height:38px}
.f-note b{color:var(--amber)}
.log-panel{flex:1;display:flex;flex-direction:column;min-height:150px}
.log{flex:1;font-family:var(--mono);font-size:11.2px;line-height:1.65;color:#8f9bb0;white-space:pre;overflow:hidden;mask-image:linear-gradient(0deg,#000 75%,transparent)}
.log .hl{color:var(--amber)}

/* controls */
.controls{margin-top:22px;display:flex;flex-wrap:wrap;gap:16px 26px;align-items:center;justify-content:space-between;padding:16px 18px;border-radius:var(--r);background:rgba(255,255,255,.035);border:1px solid var(--line)}
.ctl-main,.ctl-scn{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.seg{display:flex;padding:4px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.seg button{height:40px;min-width:46px;border-radius:10px;font-weight:700;font-size:14px;color:var(--tx2)}
.seg button.on{background:rgba(255,255,255,.14);color:var(--tx)}
.toggle:not(.on){opacity:.6}
.ctl-label{font-size:12.5px;color:var(--tx3);font-weight:700;margin-right:2px}
.scn{display:flex;flex-direction:column;align-items:flex-start;padding:9px 14px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);transition:.2s;text-align:left}
.scn:hover{background:rgba(255,255,255,.1);border-color:rgba(255,194,75,.45)}
.scn b{font-size:14px}.scn span{font-size:11.5px;color:var(--tx3)}
.scn.active,.scn.toggle.on{border-color:var(--amber);background:rgba(255,194,75,.12);opacity:1}
.scn:disabled{opacity:.4;cursor:not-allowed}
.kbd-hint{margin-top:12px;font-size:12.5px;color:var(--tx3);text-align:center}

/* why */
.why{background:var(--bg2)}
.cmp-table{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ct-row{display:grid;grid-template-columns:180px 1fr 1.2fr;border-top:1px solid var(--line)}
.ct-row:first-child{border-top:0}
.ct-row span{padding:18px 22px;font-size:15.5px}
.ct-row span:nth-child(1){font-weight:750}
.ct-row span:nth-child(2){color:var(--tx3)}
.ct-row span:nth-child(3){color:var(--tx);background:rgba(255,194,75,.05);border-left:1px solid rgba(255,194,75,.18)}
.ct-h span{font-size:13px!important;letter-spacing:.08em;color:var(--tx3)!important;font-weight:700;background:rgba(255,255,255,.03)!important}
.ct-h span:nth-child(3){color:var(--amber)!important}

/* tech */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{padding:26px 24px;border-radius:var(--r);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:rgba(255,194,75,.35)}
.c-ico{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;font-size:26px;background:rgba(255,194,75,.12);margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--tx2)}
.stack{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.stack span{font-size:13.5px;padding:8px 14px;border-radius:99px;border:1px solid var(--line);color:var(--tx2)}

/* timeline */
.progress{background:var(--bg2)}
.timeline{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:15px;height:2px;background:linear-gradient(90deg,var(--amber),rgba(255,194,75,.1))}
.timeline li{position:relative;padding-top:42px}
.timeline li::before{content:"";position:absolute;top:8px;left:0;width:16px;height:16px;border-radius:50%;background:var(--bg2);border:3px solid var(--amber)}
.timeline time{font-size:13px;font-weight:800;color:var(--amber);font-variant-numeric:tabular-nums}
.timeline b{display:block;font-size:16.5px;margin:4px 0}
.timeline span{font-size:13.5px;color:var(--tx2)}

/* voices */
.quotes{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.q{padding:26px 24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column;gap:18px}
.q blockquote{font-size:18px;line-height:1.55;font-weight:700;position:relative;padding-top:26px}
.q blockquote::before{content:"“";position:absolute;top:-14px;left:-4px;font-size:64px;line-height:1;color:var(--amber);font-family:Georgia,serif}
.q figcaption{margin-top:auto;font-size:13px;color:var(--tx3)}
.q figcaption b{color:var(--amber)}

/* team */
.team-in{display:grid;grid-template-columns:400px 1fr;gap:56px;align-items:center}
.team img{width:100%;height:auto;border-radius:26px;box-shadow:0 30px 80px -30px rgba(0,0,0,.9)}
.team h2{font-size:clamp(28px,3.2vw,42px);margin:10px 0 16px;line-height:1.2}
.team p{font-size:16.5px;color:var(--tx2);margin-bottom:12px;max-width:36em}
.foot{padding:30px 0 40px;border-top:1px solid var(--line);font-size:13px;color:var(--tx3);text-align:center}

/* responsive */
@media (max-width:1240px){
  .stage{grid-template-columns:minmax(0,1fr) 340px}
  .side{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1fr}
  .tts-list{height:190px}
}
@media (max-width:1000px){
  .nav nav{display:none}
  .cards,.quotes{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline::before{left:7px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .timeline li{padding:0 0 26px 36px}.timeline li::before{top:4px}
  .team-in{grid-template-columns:1fr;gap:30px}.team img{max-width:420px}
}
@media (max-width:860px){
  .stage{grid-template-columns:1fr}
  .phone-col{order:-1}
  .side{grid-template-columns:1fr}
  .map-wrap{min-height:360px}
  .ct-row{grid-template-columns:1fr}
  .ct-row span:nth-child(3){border-left:0}
  .ct-h{display:none}
  .ct-row span:nth-child(1){padding-bottom:4px;color:var(--amber)}
  .ct-row span:nth-child(2){padding-top:0;padding-bottom:8px}
  .ct-row span:nth-child(2)::before{content:"普通地图：";color:var(--tx3)}
  .ct-row span:nth-child(3)::before{content:"丘明慧眼：";color:var(--amber)}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .tag-acc{display:none}
  .hero{padding-top:96px;min-height:auto}
  .hero::after{background:linear-gradient(180deg,rgba(11,13,18,.55) 0%,rgba(11,13,18,.86) 45%,var(--bg) 100%)}
  .hero-stats li{min-width:calc(50% - 6px);flex:1}
  .cards,.quotes{grid-template-columns:1fr}
  .phone{transform-origin:top center}
  .controls{padding:14px}
  .scn{flex:1 1 calc(50% - 10px)}
  .demo,.why,.tech,.progress,.voices,.team{padding:70px 0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.sb-r{display:flex;align-items:center;gap:5px}.sb-r svg{width:17px;height:11px;fill:#ddd}
.batt{display:inline-block;width:24px;height:12px;border:1.5px solid #bbb;border-radius:4px;padding:1.5px;position:relative;margin-left:2px}
.batt::after{content:"";position:absolute;right:-4px;top:3px;width:2px;height:4px;border-radius:1px;background:#bbb}
.batt b{display:block;height:100%;width:80%;background:#ddd;border-radius:2px}

/* 演示区紧凑：一屏放下 */
.demo{padding:22px 0 80px}
.demo .sec-head{margin-bottom:18px;max-width:none;display:flex;flex-wrap:wrap;align-items:flex-end;gap:6px 28px}
.demo .sec-head .eyebrow{width:100%}
.demo .sec-head h2{font-size:clamp(24px,2.5vw,34px);margin-top:0}
.demo .sec-sub{margin-top:0;font-size:14px;max-width:46em;flex:1;min-width:280px}
.phone{height:660px}
.tts-list{height:150px}
.log-panel{max-height:210px}
@media (max-width:860px){.demo{padding-top:30px}}

.stage>.controls{grid-column:1/-1;order:5;margin-top:0}
.panel-head{flex-wrap:wrap}
@media (max-width:860px){
  .stage>.controls{order:-1}
  .phone-col{order:-2}
  .legend{width:100%;margin-left:17px}
  .scn span{display:none}
  .scn{flex:1 1 calc(50% - 10px);padding:11px 12px}
  .ctl-label{width:100%}
  .controls{gap:12px}
}
@media (max-width:1240px) and (min-width:861px){ .side{order:6} }

.next-list{list-style:none;margin:10px 0 10px;display:flex;flex-direction:column;gap:6px}
.next-list li{display:flex;align-items:center;gap:10px;font-size:13px;padding:7px 12px;border-radius:12px;background:rgba(255,255,255,.04)}
.next-list li span{width:20px;text-align:center;color:var(--amber);font-weight:800}
.next-list li b{flex:1;font-weight:650;color:var(--tx2)}
.next-list li em{font-style:normal;color:var(--tx3);font-variant-numeric:tabular-nums}
.next-list .nl-h{background:none;padding:0 2px;font-size:11px;color:var(--tx3);font-weight:700}
#dial{width:164px;height:164px}
.next-list li span svg{width:16px;height:16px;vertical-align:-3px}
.caption{min-height:0;padding:10px 14px}.caption p{font-size:14px;margin-top:4px}
.cmp-on .next-list{display:none}