:root{
  --paper:#f3eee3; --paper2:#e9e2d2; --ink:#1e2320; --ink2:#4d5650; --ink3:#8a918a;
  --jade:#2f6b53; --moss:#7a9a5a; --seal:#b8322a; --amber:#e08a2e; --night:#141a17;
  --sky-top:#9fb6c9; --sky-bot:#f2dcb8;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --brush:"Ma Shan Zheng","STXingkai","Xingkai SC","Kaiti SC","STKaiti","KaiTi",serif;
  --noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.2 0 0 0 0 0.18 0 0 0 0 0.12 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--serif);color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;background-image:var(--noise);pointer-events:none;z-index:100;mix-blend-mode:multiply}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
a{color:inherit}
.hidden{display:none!important}

#progressbar{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--seal),var(--amber));z-index:60}

/* ---------- nav ---------- */
#nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:14px 28px;transition:.4s;color:var(--ink)}
#nav.solid{background:rgba(243,238,227,.86);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(0,0,0,.06);padding:10px 28px}
.brand{text-decoration:none;font-weight:900;letter-spacing:.12em;display:flex;align-items:center;gap:10px;opacity:0;transition:.4s}
#nav.solid .brand{opacity:1}
.seal-mini{display:inline-grid;place-items:center;width:26px;height:26px;background:var(--seal);color:#fff4ea;font-family:var(--brush);font-size:18px;border-radius:4px}
.links a{text-decoration:none;margin-left:22px;font-size:14px;letter-spacing:.15em;position:relative;opacity:.8}
.links a:hover{opacity:1}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--seal);transform:scaleX(0);transition:.3s}
.links a:hover::after{transform:scaleX(1)}

/* ---------- hero ---------- */
.hero{position:relative;height:100vh;min-height:660px;overflow:hidden;background:linear-gradient(180deg,var(--sky-top) 0%,var(--sky-bot) 62%);transition:background 1s}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#gl:active{cursor:grabbing}
#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:4}
.hero::before{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;background:radial-gradient(ellipse 40% 78% at 6% 36%,rgba(246,240,228,.9),rgba(246,240,228,.5) 45%,rgba(246,240,228,0) 100%);transition:opacity .8s}
.hero.dino::before,.hero.dino .hero-title{opacity:.12}
.hero-title{transition:opacity .8s}
.lbl{position:absolute;left:0;top:0;transform-origin:0 100%;pointer-events:auto;cursor:pointer;display:flex;align-items:flex-end;gap:0;will-change:transform}
.lbl .stem{position:absolute;left:0;bottom:0;width:1px;height:22px;background:linear-gradient(to top,rgba(30,35,32,.0),rgba(30,35,32,.7))}
.lbl .pill{position:relative;bottom:22px;left:-12px;display:flex;align-items:center;gap:6px;background:rgba(250,247,240,.9);border:1px solid rgba(30,35,32,.15);padding:2px 10px 2px 3px;border-radius:30px;font-size:12.5px;white-space:nowrap;box-shadow:0 4px 14px rgba(0,0,0,.12);transition:.25s}
.lbl .no{display:grid;place-items:center;width:19px;height:19px;border-radius:50%;background:var(--ink);color:#fff;font-size:10.5px;font-family:system-ui,sans-serif}
.lbl .el{color:var(--ink3);font-size:11px;max-width:0;overflow:hidden;transition:.3s}
.lbl:hover .pill,.lbl.active .pill{background:#fff;transform:translateY(-3px) scale(1.06)}
.lbl:hover .el,.lbl.active .el{max-width:70px}
.lbl.active .no{background:var(--seal)}
.lbl.mini .nm,.lbl.mini .el{display:none}.lbl.mini .pill{padding-right:3px;gap:0}.lbl.mini:hover .nm,.lbl.mini.active .nm,.lbl.mini:hover .el,.lbl.mini.active .el{display:inline}.lbl.mini:hover .pill,.lbl.mini.active .pill{padding-right:10px;gap:6px}
.lbl.passed .no{background:var(--jade)}
.lbl.special .pill{background:rgba(184,50,42,.92);color:#fff;border-color:transparent}
.lbl.special .no{background:#fff;color:var(--seal)}
.lbl.lake .pill{background:none;border:0;box-shadow:none;font-family:var(--brush);font-size:30px;color:rgba(40,80,90,.7);letter-spacing:.4em}
.lbl.lake .stem,.lbl.lake .no{display:none}

.hero-title{position:absolute;left:3vw;top:13vh;z-index:5;pointer-events:none;display:flex;gap:18px;align-items:flex-start}
.hero-title h1{writing-mode:vertical-rl;font-family:var(--brush);font-weight:400;line-height:1;display:flex;flex-direction:column;gap:14px;text-shadow:0 2px 30px rgba(255,250,240,.6)}
.hero-title .t1{font-size:clamp(64px,9vw,128px);color:var(--ink);letter-spacing:.06em}
.hero-title .t2{font-size:clamp(40px,5.2vw,74px);color:var(--seal);margin-top:1.4em;letter-spacing:.12em}
.seal{margin-top:10px;width:58px;height:58px;flex:none;background:var(--seal);color:#fff5ea;font-family:var(--brush);font-size:21px;line-height:1.1;display:grid;grid-template-columns:1fr 1fr;align-content:center;padding:5px;border-radius:5px;box-shadow:inset 0 0 0 2px rgba(255,240,230,.35);transform:rotate(-4deg)}
.seal span{display:block;text-align:center}
.hero-title .sub{order:-1;writing-mode:vertical-rl;margin-top:150px;font-size:13px;letter-spacing:.32em;line-height:2.1;color:var(--ink2);max-height:320px;padding:12px 4px;border-top:2px solid var(--seal)}

.panel{position:absolute;right:24px;top:84px;z-index:6;width:236px;background:rgba(250,247,240,.82);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.6);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:10px;box-shadow:0 10px 40px rgba(20,30,25,.15)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 12px;border-radius:10px;font-size:14px;letter-spacing:.08em;transition:.2s;user-select:none}
.btn svg{width:15px;height:15px;fill:currentColor}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:var(--seal)}
.btn.primary .ic-pause{display:none}
.btn.primary.playing .ic-pause{display:block}
.btn.primary.playing .ic-play{display:none}
.btn.sm{padding:7px 12px;font-size:13px}
.panel .row{display:flex;gap:8px}
.panel .row .btn{flex:1;font-size:13px;padding:8px 6px}
.btn.toggle{background:rgba(30,35,32,.06);color:var(--ink)}
.btn.toggle[aria-pressed="true"]{background:var(--jade);color:#fff}
.btn.toggle .ic-dino{width:22px;height:14px}
.btn.ghost{border:1px solid rgba(30,35,32,.2);color:var(--ink2)}
.btn.ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn.ghost.dark{margin-top:6px}
.seg{display:flex;background:rgba(30,35,32,.07);border-radius:10px;padding:3px}
.seg button{flex:1;padding:5px 0;border-radius:8px;font-size:14px;color:var(--ink2);transition:.2s}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.12);font-weight:600}
.seg.light{margin:14px 0 6px;max-width:360px}
.seg.light button{font-size:13px;padding:7px 0}
.speed{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink2)}
.speed input{flex:1;accent-color:var(--seal)}
.hint{font-size:11.5px;line-height:1.7;color:var(--ink3);text-align:center}

#compass{position:absolute;right:274px;top:92px;width:56px;height:56px;z-index:5;pointer-events:none}
#compass .ring{fill:rgba(250,247,240,.7);stroke:rgba(30,35,32,.25)}
#compass .n{fill:var(--seal)}#compass .s{fill:rgba(30,35,32,.35)}
#compass text{font-size:14px;fill:#fff;font-family:var(--serif);font-weight:900}

.hud{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:min(880px,calc(100% - 40px));z-index:6;background:rgba(250,247,240,.84);backdrop-filter:blur(12px);border-radius:16px;padding:10px 16px 8px;box-shadow:0 10px 40px rgba(20,30,25,.18);border:1px solid rgba(255,255,255,.6)}
.hud-info{display:flex;gap:26px;align-items:baseline;font-family:system-ui,-apple-system,sans-serif}
.hud-info div{display:flex;align-items:baseline;gap:5px}
.hud-info small{font-size:11px;color:var(--ink3);font-family:var(--serif)}
.hud-info b{font-size:22px;font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}
.hud-info i{font-style:normal;font-size:12px;color:var(--ink3)}
.hud-info .wide{margin-left:auto}
.hud-info .wide b{font-family:var(--serif);font-size:17px;color:var(--seal)}
#miniProfile{width:100%;height:58px;display:block;cursor:ew-resize;margin-top:4px;touch-action:none}

.card{position:absolute;z-index:8;left:5vw;bottom:150px;width:300px;background:#fbf8f1;border-radius:14px;padding:18px 20px;box-shadow:0 20px 60px rgba(0,0,0,.25);animation:pop .35s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.96)}}
.card .x{position:absolute;right:10px;top:6px;font-size:22px;color:var(--ink3)}
.card-no{font-family:var(--brush);color:var(--seal);font-size:15px}
.card h3{font-size:22px;letter-spacing:.08em;line-height:1.4}
.card-meta{font-size:12.5px;color:var(--ink3);margin:2px 0 8px;font-family:system-ui,sans-serif}
.card p{font-size:14px;line-height:1.8;color:var(--ink2)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 12px}
.tag{font-size:11.5px;padding:1px 9px;border-radius:20px;background:rgba(47,107,83,.1);color:var(--jade)}
.tag.warn{background:rgba(184,50,42,.1);color:var(--seal)}

#loader{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:16px;z-index:4;color:var(--ink2);letter-spacing:.3em;font-size:14px;transition:opacity .8s}
#loader.done{opacity:0;pointer-events:none}
#loader .ink{width:54px;height:54px;border-radius:50%;background:radial-gradient(circle at 40% 40%,var(--ink) 0 30%,transparent 62%);animation:inkp 1.6s ease-in-out infinite}
@keyframes inkp{50%{transform:scale(1.5);opacity:.35}}
#glError{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;padding:20px 26px;border-radius:12px;z-index:9;text-align:center;font-size:14px;box-shadow:0 10px 40px rgba(0,0,0,.2)}
.scroll-hint{position:absolute;left:5vw;bottom:34px;z-index:5;text-decoration:none;font-size:12px;letter-spacing:.4em;color:var(--ink2);display:flex;flex-direction:column;align-items:center;gap:6px;writing-mode:vertical-rl}
.scroll-hint i{width:1px;height:40px;background:var(--ink2);animation:drip 2s infinite;transform-origin:top}
@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* ---------- sections ---------- */
.sec{position:relative;padding:130px 7vw 120px;max-width:1500px;margin:0 auto}
.sec.dark,.sec.paper2{max-width:none;padding-left:max(7vw,calc((100vw - 1500px)/2 + 7vw));padding-right:max(7vw,calc((100vw - 1500px)/2 + 7vw))}
.sec.dark{background:var(--night);color:#e9e4d8}
.sec.paper2{background:var(--paper2)}
.sec-head{margin-bottom:50px;max-width:760px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.35em;color:var(--seal);border-bottom:1px solid currentColor;padding-bottom:4px;margin-bottom:18px}
.sec.dark .eyebrow{color:var(--amber)}
.sec h2{font-size:clamp(32px,4.4vw,58px);line-height:1.3;font-weight:900;letter-spacing:.04em}
.sec h2 em{font-style:normal;color:var(--seal);font-family:var(--brush);font-weight:400;font-size:1.15em}
.lead{margin-top:18px;font-size:16.5px;color:var(--ink2);max-width:640px}
.sec.dark .lead{color:#b8b3a6}
.note{font-size:12.5px;color:var(--ink3);margin-top:10px}
.reveal{opacity:0;transform:translateY(40px);transition:1s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* origin */
.origin-grid{display:grid;grid-template-columns:minmax(260px,1fr) 2.1fr;gap:4vw;align-items:center}
.origin-text p{font-size:16px;margin-bottom:14px;color:var(--ink2)}
.origin-text b{color:var(--ink)}
.morph-ctl{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:13px;letter-spacing:.1em;color:var(--ink2)}
.morph-ctl input{flex:1;accent-color:var(--jade);height:4px}
.origin-svg-wrap{position:relative;background:#f7f3ea;border-radius:20px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.05),0 30px 60px -30px rgba(60,50,30,.35);overflow:hidden}
#dinoSvg{width:100%;display:block}
#dinoSvg .contour{fill:none;stroke:#c8bda4;stroke-width:1}
#dinoSvg .contour.major{stroke:#b5a887;stroke-width:1.5}
#dinoSvg .wpdot{fill:#fff;stroke:var(--ink);stroke-width:2;transition:.3s}
#dinoSvg .wptext{font-size:15px;fill:var(--ink2);font-family:var(--serif)}
#dinoSvg .part{font-family:var(--brush);font-size:30px;fill:var(--jade)}
#dinoSvg .callout{font-size:15px;fill:var(--seal)}

/* profile */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.08);border-radius:16px;overflow:hidden;margin-bottom:60px}
.stat{background:var(--night);padding:26px 22px;border:1px solid rgba(255,255,255,.06)}
.stat b{font-size:clamp(34px,3.6vw,52px);font-family:system-ui,-apple-system,sans-serif;font-weight:800;letter-spacing:-.03em;color:#fff;font-variant-numeric:tabular-nums}
.stat i{font-style:normal;margin-left:4px;color:var(--amber);font-size:16px}
.stat small{display:block;font-size:13px;color:#9a968a;margin-top:4px;letter-spacing:.08em}
.profile-wrap{position:relative}
#bigProfile{width:100%;display:block;overflow:visible;touch-action:none;cursor:crosshair}
#bigProfile text{font-family:var(--serif)}
.tip{position:absolute;pointer-events:none;background:#fbf8f1;color:var(--ink);padding:10px 14px;border-radius:10px;font-size:13px;line-height:1.6;box-shadow:0 10px 30px rgba(0,0,0,.35);transform:translate(-50%,-110%);white-space:nowrap;font-family:system-ui,sans-serif}
.tip b{font-family:var(--serif);font-size:15px;color:var(--seal)}
.legend{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;font-size:13px;color:#b8b3a6}
.legend i{display:inline-block;width:18px;height:4px;border-radius:2px;margin-right:6px;vertical-align:middle}
.legend .muted{color:#777367;margin-left:auto}

/* stops */
.stops{list-style:none;position:relative;display:grid;grid-template-columns:1fr 1fr;gap:18px 56px;counter-reset:s}
.stops::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:repeating-linear-gradient(to bottom,var(--ink3) 0 6px,transparent 6px 12px);opacity:.5}
.stop{position:relative;background:#fbf8f1;border-radius:16px;padding:20px 22px 18px 78px;box-shadow:0 1px 0 rgba(0,0,0,.04),0 18px 40px -26px rgba(60,50,30,.35);transition:.3s}
.stop:hover{transform:translateY(-3px);box-shadow:0 30px 50px -26px rgba(60,50,30,.45)}
.stop .num{position:absolute;left:18px;top:18px;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-family:var(--brush);font-size:20px;letter-spacing:-.08em}
.stop.hump .num{background:var(--seal)}
.stop h3{font-size:20px;letter-spacing:.06em;line-height:1.4}
.stop .meta{font-size:12.5px;color:var(--ink3);font-family:system-ui,sans-serif;margin-bottom:6px}
.stop p{font-size:14.5px;color:var(--ink2);line-height:1.8}
.stop .tags{margin:10px 0 0}
.stop .fly{position:absolute;right:16px;top:18px;font-size:12px;color:var(--jade);border:1px solid rgba(47,107,83,.35);padding:2px 10px;border-radius:20px}
.stop .fly:hover{background:var(--jade);color:#fff}
.stop .spark{display:block;width:100%;height:26px;margin-top:10px}

/* history */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:70px}
.fact{border-top:2px solid var(--ink);padding-top:16px}
.fact b{font-size:clamp(36px,3.8vw,54px);font-family:system-ui,-apple-system,sans-serif;font-weight:800;letter-spacing:-.03em;display:block;line-height:1.1}
.fact b i{font-style:normal;font-size:.4em;margin-left:4px;color:var(--seal)}
.fact span{font-size:13.5px;color:var(--ink2);display:block;margin-top:8px}
.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:27px;height:2px;background:var(--ink)}
.timeline article{position:relative;padding:58px 18px 0 0}
.timeline article::before{content:"";position:absolute;top:20px;left:0;width:16px;height:16px;border-radius:50%;background:var(--paper2);border:3px solid var(--seal)}
.timeline em{position:absolute;top:-8px;left:0;font-style:normal;font-family:var(--brush);font-size:20px;color:var(--seal)}
.timeline h4{font-size:19px;letter-spacing:.1em}
.timeline p{font-size:13.5px;color:var(--ink2);line-height:1.8;margin-top:6px}
.aside-note{margin-top:60px;font-size:15px;color:var(--ink2);border-left:3px solid var(--jade);padding:4px 0 4px 16px;max-width:680px}

/* guide */
.variants{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.variant{background:#fbf8f1;border-radius:18px;padding:24px 24px 20px;box-shadow:0 18px 40px -26px rgba(60,50,30,.4);position:relative;overflow:hidden}
.variant header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.variant h3{font-size:24px;letter-spacing:.1em}
.badge{font-size:12px;padding:2px 10px;border-radius:20px;background:var(--jade);color:#fff}
.badge.alt{background:var(--amber)}.badge.hot{background:var(--seal)}
.variant dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;margin-bottom:12px}
.variant dt{color:var(--ink3)}
.variant dd{display:flex;align-items:center;gap:10px;font-family:system-ui,sans-serif}
.variant dd.stars{font-family:var(--serif);color:var(--seal);letter-spacing:.05em}
.bar{flex:0 0 90px;height:6px;border-radius:3px;background:rgba(30,35,32,.08);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--ink);border-radius:3px;transition:width 1.4s cubic-bezier(.2,.7,.2,1)}
.in .bar i{width:var(--w)}
.variant.fire .bar i{background:var(--seal)}
.variant p{font-size:14px;color:var(--ink2)}
.guide-grid{display:grid;grid-template-columns:1.1fr 1fr 1.1fr;gap:22px;margin-top:56px}
.box{background:#fbf8f1;border-radius:18px;padding:24px}
.box.warn{background:#f6e7df}
.box h3{font-size:19px;letter-spacing:.1em;display:flex;align-items:center;gap:8px;margin-bottom:12px}
.box h3 svg{width:22px;height:22px;fill:var(--seal)}
.box h3 small{margin-left:auto;font-size:12px;color:var(--ink3);font-weight:400;font-family:system-ui,sans-serif}
.plain{list-style:none}
.plain li{font-size:14px;color:var(--ink2);padding:7px 0 7px 16px;position:relative;border-bottom:1px dashed rgba(0,0,0,.08)}
.plain li::before{content:"";position:absolute;left:0;top:17px;width:6px;height:6px;border-radius:50%;background:var(--seal)}
.checklist{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:4px 10px}
.checklist label{display:flex;align-items:center;gap:8px;font-size:14px;padding:6px 4px;cursor:pointer;border-radius:6px;transition:.2s}
.checklist label:hover{background:rgba(0,0,0,.03)}
.checklist input{appearance:none;width:18px;height:18px;border:1.5px solid var(--ink3);border-radius:5px;display:grid;place-items:center;flex:none;transition:.2s}
.checklist input:checked{background:var(--jade);border-color:var(--jade)}
.checklist input:checked::after{content:"";width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}
.checklist input:checked+span{text-decoration:line-through;color:var(--ink3)}

.foot{background:var(--night);color:#a9a597;padding:70px 7vw;display:flex;gap:40px;align-items:flex-start;font-size:13.5px;line-height:2}
.foot-seal{flex:none;width:74px;height:74px;background:var(--seal);color:#fff4ea;font-family:var(--brush);font-size:26px;line-height:1.1;display:grid;grid-template-columns:1fr 1fr;align-content:center;padding:6px;border-radius:6px;text-align:center}
.foot .tiny{margin-top:12px;color:#6e6b61;font-size:12px}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .origin-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3,1fr)}
  .stops{grid-template-columns:1fr}.stops::before{left:40px}
  .facts{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr 1fr;row-gap:30px}
  .variants,.guide-grid{grid-template-columns:1fr}
  .links{display:none}
}
@media (max-width:720px){
  .panel{top:auto;bottom:138px;right:12px;left:12px;width:auto;flex-direction:row;flex-wrap:wrap;padding:10px;gap:8px}
  .panel .btn.primary{flex:1 1 30%;padding:8px 6px}
  .panel .row{flex:2 1 60%}
  .panel .row .btn{font-size:12px;padding:8px 4px}
  .panel .row .ic-dino{display:none}
  .panel .seg{flex:1}
  .panel .speed,.panel .hint,#btnReset{display:none}
  #compass{right:14px;top:70px;width:44px;height:44px}
  .hero-title{top:70px;left:16px}
  .hero-title .sub{display:none}
  .hud{bottom:12px;padding:8px 12px 6px}
  .hud-info{gap:12px}.hud-info b{font-size:17px}.hud-info .wide b{font-size:14px}
  .hud-info div:nth-child(3){display:none}
  .card{left:12px;right:12px;width:auto;bottom:auto;top:70px}
  .scroll-hint{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .checklist{grid-template-columns:1fr}
  .sec{padding:90px 6vw 80px}
}