:root{--paper:#f5f7fa;--ink:#171f2b;--muted:#677180;--line:#e1e6ed;--brand:#284ff4;--orange:#284ff4;--soft:#eaefff;--serif:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button{font:inherit;cursor:pointer;color:inherit}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button{touch-action:manipulation}header{max-width:1344px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:26px 46px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:650;font-size:18px;letter-spacing:-.5px}.brandmark{display:block;width:40px;height:40px;object-fit:cover;border-radius:10px;background:var(--brand)}.edition{font-size:10px;letter-spacing:2px;color:var(--muted)}.demo{border:1px solid #e1e6ed;border-radius:99px;padding:7px 11px;font-size:11px}.dot{display:inline-block;background:#284ff4;border-radius:50%;width:5px;height:5px;margin-right:6px}main{max-width:1252px;margin:auto;padding:50px 46px 34px;display:grid;grid-template-columns:minmax(0,1.16fr) minmax(350px,.84fr);gap:66px;align-items:start}.eyebrow{font-size:10px;letter-spacing:2.3px;color:var(--muted);display:flex;align-items:center;gap:11px}.eyebrow:before{content:"";width:25px;height:1px;background:var(--orange)}h1{font-family:var(--serif);font-weight:500;font-size:58px;letter-spacing:-2px;line-height:1.23;margin:23px 0 18px}h1 em{color:var(--orange);font-style:normal}p{line-height:1.8}.lede{font-size:14px;color:var(--muted);margin:0}.scene{margin-top:29px;position:relative;overflow:hidden;border-radius:140px 140px 8px 8px;background:#e8ecdf;height:305px}.scene svg{width:100%;height:100%;display:block}.scene-label{position:absolute;bottom:16px;left:20px;font-size:10px;letter-spacing:1px}.scene-number{position:absolute;right:22px;bottom:15px;font-family:var(--serif);font-size:24px;color:#668064}.manifest{display:flex;justify-content:space-between;margin-top:19px;color:var(--muted);font-size:11px;gap:10px}.manifest span:first-child{color:var(--ink)}.panel{background:#ffffff;border:1px solid var(--line);border-radius:22px;padding:29px 28px 24px;box-shadow:0 16px 45px #6b3b2510;min-width:0}.stephead{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;font-size:10px;letter-spacing:1.5px;color:var(--muted)}.stepdots{display:flex;gap:5px}.stepdots i{width:17px;height:3px;background:#eadccb}.stepdots i.on{background:var(--orange)}h2{font-family:var(--serif);font-weight:500;font-size:29px;letter-spacing:-1px;margin:0 0 10px;line-height:1.4}.sub{font-size:12px;color:var(--muted);margin:0 0 22px;line-height:1.8}.origin{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);background:transparent;padding:14px;border-radius:12px;margin:20px 0 24px}.origin svg{width:20px;height:20px;flex:none}.origin small{display:block;font-size:10px;color:var(--muted);margin-bottom:4px}.origin strong{font-size:13px;font-weight:550}.origin .change{margin-left:auto;font-size:11px;color:var(--muted)}.field{border:0;padding:0;margin:0 0 23px}.field legend{padding:0;margin-bottom:11px;font-size:12px;font-weight:600}.field legend span{font-weight:400;color:var(--muted);font-size:10px;margin-left:7px}.options{display:flex;gap:8px}.option{flex:1;min-height:45px;border:1px solid var(--line);background:transparent;border-radius:11px;font-size:12px;padding:11px 7px;transition:background .15s,border-color .15s}.option[aria-pressed=true]{border-color:var(--brand);background:var(--brand);color:#ffffff}.time .option{padding:13px 5px}.time b{font-family:var(--serif);display:block;font-size:30px;font-weight:400;margin-bottom:4px}.time small{font-size:10px;opacity:.7}.option .symbol{font-size:18px;margin-right:6px}.primary{width:100%;border:0;border-radius:11px;background:var(--orange);color:#fff;padding:16px 18px;font-size:13px;display:flex;align-items:center;justify-content:center;gap:13px;min-height:48px}.primary:hover{background:#99432c}.secondary{width:100%;border:1px solid var(--line);background:transparent;border-radius:11px;padding:13px 10px;font-size:12px;min-height:44px}.secondary:hover{background:var(--soft)}.note{font-size:10px;line-height:1.8;color:var(--muted);margin:13px 0 0}.center{text-align:center}.divider{height:1px;background:var(--line);margin:23px 0}.back{border:0;background:transparent;padding:0 0 12px;font-size:11px;color:var(--muted);min-height:34px}.pill{display:inline-block;border-radius:20px;font-size:10px;padding:5px 9px;background:var(--soft);color:#284ff4}.route-map{position:relative;background:#e9edde;border-radius:12px;overflow:hidden;margin:16px 0}.route-map svg{display:block;width:100%;height:170px}.map-key{position:absolute;bottom:8px;left:10px;font-size:9px;background:#ffffffe8;padding:4px 7px;border-radius:5px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:17px 0}.stats div+div{border-left:1px solid var(--line);padding-left:13px}.stats strong{font-family:var(--serif);font-size:24px;font-weight:400;white-space:nowrap}.stats small{display:block;font-size:10px;color:var(--muted);margin-top:3px}.timebar{height:5px;border-radius:4px;display:flex;overflow:hidden;gap:3px;margin:13px 0 8px}.timebar i:nth-child(1){background:#284ff4}.timebar i:nth-child(2){background:#c99b6c}.timebar i:nth-child(3){background:#e1e6ed}.legend{display:flex;gap:12px;font-size:9px;color:var(--muted)}.timeline{padding:0;list-style:none;margin:22px 0}.timeline li{display:grid;grid-template-columns:25px 1fr auto;gap:10px;align-items:start;position:relative;padding-bottom:19px;font-size:12px}.timeline li:last-child{padding-bottom:0}.timeline li:not(:last-child):before{content:"";position:absolute;left:10px;top:24px;bottom:3px;width:1px;background:var(--line)}.timeline .num{width:22px;height:22px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-size:10px}.timeline small{display:block;font-size:10px;color:var(--muted);margin-top:4px;line-height:1.6}.timeline .duration{color:var(--muted);font-size:10px;padding-top:4px}.pair{display:grid;grid-template-columns:1fr 1.7fr;gap:8px}.alert{font-size:10px;line-height:1.8;background:#f3efe4;color:#827258;padding:10px 12px;border-radius:8px;margin:17px 0}.walk-stage{font-family:var(--serif);font-size:64px;color:#284ff4;margin:24px 0 12px;line-height:1}.walk-stage sup{font-size:23px;color:#d9b29a}.prompt{background:var(--soft);border-radius:12px;padding:18px;margin:20px 0}.prompt p{font-size:12px;color:#677180;margin:7px 0 0}.prompt strong{font-size:13px;font-weight:550}.progress{display:flex;gap:5px;margin-top:20px}.progress i{flex:1;height:4px;border-radius:4px;background:#eadccb}.progress i.past{background:var(--brand)}.textbtn{display:block;margin:15px auto 0;border:0;background:none;font-size:11px;color:var(--muted);min-height:35px;text-decoration:underline;text-underline-offset:4px}.finish-card{border:1px solid #e1e6ed;background:#eaefff;border-radius:12px;padding:25px 18px;margin:22px 0;text-align:center}.finish-card .big{font-family:var(--serif);font-size:52px;margin:12px 0;color:var(--brand)}.finish-card small{font-size:11px;color:var(--muted)}.finish-card p{font-size:14px;margin:9px 0}.feedback{font-size:12px;margin:0 0 12px}.feedback-result{font-size:11px;line-height:1.8;color:var(--muted);min-height:38px;margin-top:11px}footer{max-width:1160px;margin:0 auto 25px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);line-height:1.8}dialog{border:1px solid var(--line);border-radius:18px;padding:27px;background:var(--paper);color:var(--ink);width:calc(100% - 32px);max-width:390px}dialog::backdrop{background:#171f2b66;backdrop-filter:blur(3px)}dialog h2{font-size:24px}dialog .secondary{margin-top:9px;text-align:left}dialog .primary{margin-top:16px}.modal-note{font-size:11px;color:var(--muted);line-height:1.8}.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--brand);color:white;padding:12px 18px;font-size:12px;border-radius:10px;z-index:5;max-width:90vw;text-align:center}#app:focus{outline:none}.mobile-intro{display:none}@media(min-width:1500px){main{padding-top:70px}.scene{height:340px}}@media(max-width:950px){main{gap:28px;padding:35px 28px}.intro h1{font-size:48px}header{padding:22px 28px}footer{margin-left:28px;margin-right:28px}.scene{height:270px}.panel{padding:25px 22px}.edition{display:none}}@media(max-width:700px){header{padding:18px 21px;border:0}.brand{font-size:16px}.brandmark{width:34px;height:34px;border-radius:9px}.demo{font-size:10px;padding:6px 9px}main{display:block;padding:8px 16px 25px;max-width:490px}.intro{display:none}.panel{padding:23px 21px;border-radius:18px;box-shadow:none}.mobile-intro{display:block;font-family:var(--serif);font-size:31px;line-height:1.4;padding:10px 7px 23px;letter-spacing:-1px}.mobile-intro em{font-style:normal;color:var(--orange)}.mobile-intro small{display:block;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-size:11px;letter-spacing:0;color:var(--muted);margin-top:9px}footer{display:block;margin:0 23px 20px;padding-top:16px}footer span:last-child{display:none}h2{font-size:27px}.scene{height:240px}.stats strong{font-size:23px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
[hidden]{display:none!important}

.home-controls{border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:22px}.home-controls h2{font-size:25px}.home-controls .origin{margin:13px 0 16px;padding:10px 12px}.home-controls .field{margin:0}.home-controls .time .option{display:flex;align-items:baseline;justify-content:center;gap:6px;padding:10px 5px}.home-controls .time b{font-size:25px;margin:0}.route-kicker{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:var(--muted);margin-bottom:11px}.route-origin{font-size:10px;color:var(--muted);margin:5px 0 12px;line-height:1.8}#homeRoute h2{font-size:25px}#homeRoute .route-map{margin:12px 0}#homeRoute .route-map svg{height:145px}#homeRoute .stats{margin:13px 0}details{margin:17px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:11px;min-height:43px;color:var(--muted)}summary::-webkit-details-marker{display:none}summary:focus-visible{outline:3px solid var(--orange);outline-offset:3px}details[open] summary span{transform:rotate(45deg)}details .timeline{margin:10px 0 19px}#live{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@media(max-width:700px){.home-controls h2{font-size:23px}.home-controls{margin-bottom:18px;padding-bottom:17px}#homeRoute h2{font-size:24px}}

/* Motion: bold typography, clear surfaces, focused actions. */
:root{--lime:#d5f941}h1,h2,h3,.intro h1{font-weight:800;letter-spacing:-1px}.panel{background:white;border-color:var(--line);border-radius:28px;box-shadow:0 16px 60px #17284b08}.pill{background:var(--lime);color:var(--ink);border:0;font-weight:700}.primary{border-radius:17px;font-weight:750;min-height:54px}.secondary{border-radius:17px;font-weight:650;min-height:48px}.option{border-radius:16px}.option.active{background:var(--brand);color:white}.time b{font-weight:850;font-variant-numeric:tabular-nums}.mobile-intro{font-weight:800}.origin{border-radius:18px}.brand{font-weight:800}.demo{background:var(--lime);border:0}.scene{border-radius:28px}.intro h1 em{color:var(--brand)}@media(max-width:700px){.panel{border-radius:24px}.home-controls h2{font-size:27px;font-weight:800}.home-controls .time .option{padding:15px 5px}.home-controls .time b{font-size:32px}.primary{position:relative}.mobile-intro{font-size:34px}}