/* MapToNap homepage · 2026-10-16 · "drawing wall" */
@font-face{font-family:'MTN Inter';font-weight:500;font-display:swap;src:url(fonts/inter-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'MTN Inter';font-weight:600;font-display:swap;src:url(fonts/inter-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'MTN Inter';font-weight:700;font-display:swap;src:url(fonts/inter-latin-700-normal.woff2) format('woff2')}
@font-face{font-family:'MTN Inter';font-weight:800;font-display:swap;src:url(fonts/inter-latin-800-normal.woff2) format('woff2')}
@font-face{font-family:'MTN Mono';font-weight:700;font-display:swap;src:url(fonts/space-mono-latin-700-normal.woff2) format('woff2')}
:root{--bg:#0A0A0B;--bg2:#111113;--line:rgba(244,242,238,.12);--line2:rgba(244,242,238,.2);--ink:#F4F2EE;--ink2:#DAD7D1;--mut:#A3A09A;--dim:#76736E;--red:#E8413A;--red2:#F0524B;--paper:#F7F5F0;
 --sans:'MTN Inter',Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;--mono:'MTN Mono',"Space Mono",ui-monospace,monospace;--w:1240px;--pad:28px}
*{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:500 16px/1.55 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;z-index:99;background:var(--red);padding:8px 12px;border-radius:10px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.mono{font:700 11px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase}
html[lang^=zh] .mono{letter-spacing:.08em}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;gap:26px;padding:16px var(--pad);transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(10,10,11,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;font:800 17px/1 var(--sans);letter-spacing:-.02em}
.brand img{width:26px;height:26px}
.nav .links{display:flex;gap:26px;margin-left:18px;font-weight:600;font-size:14px;color:var(--mut)}
.nav .links a:hover{color:var(--ink)}
.nav .sp{flex:1}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:7px;color:var(--mut);font-weight:600;font-size:14px;padding:8px 6px}
.lang summary::-webkit-details-marker{display:none}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:#151517;border:1px solid var(--line2);border-radius:14px;padding:6px;min-width:150px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lang-menu a{display:block;padding:9px 12px;border-radius:10px;font-weight:600;font-size:14px}.lang-menu a:hover{background:rgba(255,255,255,.06)}.lang-menu a[aria-current]{color:var(--red)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:13px 20px;font:700 15px/1 var(--sans);border:0;cursor:pointer;color:var(--ink);background:none;transition:transform .2s,background .2s}
.btn.red{background:var(--red);color:#fff;box-shadow:0 14px 40px -14px rgba(232,65,58,.9)}
.btn.red:hover{background:var(--red2);transform:translateY(-1px)}
.btn.line{border:1px solid var(--line2)}.btn.line:hover{border-color:var(--ink)}
.btn.big{padding:19px 30px;font-size:17px}

/* ---------- hero: the drawing wall ---------- */
.stage{position:relative;height:250vh}
.pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;--r:min(25vh,23vw);--cy:37%;--ms:.6}
.wall{position:absolute;inset:-4vh 0;display:grid;grid-template-columns:repeat(8,1fr);gap:14px;padding:0 14px;
 -webkit-mask-image:radial-gradient(circle var(--r) at 50% calc(var(--cy) + 4vh),transparent calc(100% - 1px),#000 100%);mask-image:radial-gradient(circle var(--r) at 50% calc(var(--cy) + 4vh),transparent calc(100% - 1px),#000 100%)}
.col{display:flex;flex-direction:column;gap:14px;animation:up 70s linear infinite;will-change:transform}
.col:nth-child(even){animation-name:down;animation-duration:85s}
.col img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:14px;background:var(--paper);opacity:.34;transition:opacity .8s,transform .8s}
.col img.lit{opacity:.95;transform:scale(1.03)}
@keyframes up{from{transform:translateY(0)}to{transform:translateY(-50%)}}
@keyframes down{from{transform:translateY(-50%)}to{transform:translateY(0)}}
.wall:after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,var(--bg) 0,rgba(10,10,11,0) 18%,rgba(10,10,11,0) 52%,rgba(10,10,11,.9) 74%,var(--bg) 88%)}
.ring{position:absolute;left:50%;top:var(--cy);width:calc(var(--r) * 2);height:calc(var(--r) * 2);transform:translate(-50%,-50%);pointer-events:none}
.ring svg{position:absolute;inset:-28px;width:calc(100% + 56px);height:calc(100% + 56px);overflow:visible}
.ring text{font-family:var(--mono);font-weight:700;fill:var(--mut)}
.pin{--c:.715}
.model{position:absolute;z-index:1;width:143%;height:100%;left:calc(50% - var(--c) * 143%);top:calc(var(--cy) - 50% + var(--dy,0px));transform:scale(var(--ms));transform-origin:calc(var(--c) * 100%) 50%;will-change:transform}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
#gl.grab{cursor:grabbing}
.hero-copy{position:absolute;left:0;right:0;bottom:5vh;text-align:center;z-index:3;padding:0 var(--pad)}
.kick{display:inline-flex;align-items:center;gap:10px;padding:9px 15px;border:1px solid var(--line2);border-radius:999px;background:rgba(10,10,11,.72);color:var(--ink2)}
.kick i{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(232,65,58,.18)}
h1{margin:16px auto 0;max-width:15ch;font:800 clamp(40px,5vw,78px)/.93 var(--sans);letter-spacing:-.05em}
html[lang^=zh] h1{letter-spacing:-.02em;line-height:1.05;max-width:12ch}
h1 em,h2 em{font-style:normal;color:var(--red)}
.hero-copy .sub{margin:14px auto 0;max-width:640px;color:var(--mut);font-size:17px}
.hero-copy .row{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:22px;flex-wrap:wrap}
.hero-copy .note{margin-top:14px;color:var(--dim)}
.layer-copy{position:absolute;left:var(--pad);top:50%;transform:translateY(-50%);max-width:380px;z-index:3;opacity:0;visibility:hidden}
.layer-copy h2{margin:12px 0}
.layer-copy p{color:var(--mut)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chips span{border:1px solid var(--line2);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600;color:var(--ink2);background:rgba(10,10,11,.6)}
.tags{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;visibility:hidden}
.tag{position:absolute;left:0;top:0;will-change:transform}
.tag div{transform:scale(calc(1 / var(--ms)));transform-origin:left center;display:flex;align-items:baseline;gap:8px;white-space:nowrap;background:rgba(10,10,11,.82);border:1px solid var(--line2);border-radius:999px;padding:7px 12px}
.tag b{font:700 10px var(--mono);color:var(--red)}.tag em{font-style:normal;font-weight:700;font-size:13px}.tag span{font-size:12px;color:var(--mut)}
.hint{position:absolute;right:var(--pad);bottom:4vh;z-index:3;color:var(--dim)}
html.nogl #gl{display:none}
html.nogl .pin:before{content:"";position:absolute;left:50%;top:var(--cy);width:calc(var(--r)*2.2);aspect-ratio:1;transform:translate(-50%,-50%);background:url(poster-hero.webp?v=20260930c) center/contain no-repeat}

/* ---------- sections ---------- */
.sec{position:relative;padding:150px 0}
.sec+.sec{border-top:1px solid var(--line)}
.label{display:flex;align-items:center;gap:12px;color:var(--mut)}
.label b{color:var(--red)}
.label:after{content:"";flex:1;height:1px;background:var(--line);max-width:120px}
h2{margin:18px 0 0;font:800 clamp(36px,4.6vw,68px)/.96 var(--sans);letter-spacing:-.045em}
html[lang^=zh] h2{letter-spacing:-.01em;line-height:1.1}
.lede{margin:22px 0 0;max-width:560px;color:var(--mut);font-size:18px}
.head{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end;margin-bottom:64px}
.head .lede{margin:0}
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

/* 01 · not AI */
.noai{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.zero{font:800 clamp(120px,17vw,250px)/.8 var(--sans);letter-spacing:-.07em;color:var(--red)}
.zero small{display:block;margin-top:18px;font-size:clamp(34px,4vw,56px);letter-spacing:-.045em;color:var(--ink);line-height:1}
.prov{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.prov li{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.prov li>.mono{color:var(--red);padding-top:3px}
.prov li b{display:block;font-size:17px}
.prov li span{color:var(--mut);font-size:15px}
.chain{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:28px;color:var(--ink2)}
.chain i{font-style:normal;color:var(--red)}

/* 02 · new sheets (salon hang) */
.sheet{break-inside:avoid;margin:0 0 26px;background:var(--paper);border-radius:18px;padding:12px;box-shadow:0 30px 70px -30px rgba(0,0,0,.8)}
.sheet img{width:100%;height:auto;border-radius:8px}
.sheet figcaption{display:flex;justify-content:space-between;gap:12px;padding:12px 4px 2px;color:#2a2826}
.sheet figcaption b{font:700 14px/1.3 var(--sans);color:#141312}
.sheet figcaption .mono{color:#8a867f;font-size:10px;white-space:nowrap}
.newtag{display:inline-block;margin-left:8px;background:var(--red);color:#fff;border-radius:999px;padding:3px 8px;font:700 9px/1.2 var(--mono);letter-spacing:.12em;vertical-align:2px}

/* 03 · boards */
.boards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.boards figure{margin:0;background:#fff;border-radius:18px;padding:14px;overflow:hidden;display:flex;flex-direction:column}
.boards img{width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;background:#fff;border-radius:8px;flex:1}
.boards figcaption{margin-top:auto;border-top:1px solid #eeebe5;padding:12px 4px 0!important}
.boards .stack{display:contents}
.boards figcaption{padding:12px 4px 0;color:#8a867f}
.layouts{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.layouts>span{border:1px solid var(--line2);border-radius:12px;padding:10px 14px;font-weight:600;font-size:14px;color:var(--ink2)}
.layouts>span>small{display:block;font:700 10px/1.5 var(--mono);letter-spacing:.12em;color:var(--dim);margin-top:2px}

/* 04 · contact sheet of all analyses */
.contact{display:grid;grid-template-columns:repeat(8,1fr);gap:12px}
.contact a{position:relative;display:block;border-radius:14px;overflow:hidden;background:var(--paper);aspect-ratio:1}
.contact img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.contact a:hover img{transform:scale(1.06)}
.contact span{position:absolute;left:0;right:0;bottom:0;padding:22px 9px 8px;background:linear-gradient(transparent,rgba(10,10,11,.92));font:600 11.5px/1.25 var(--sans);color:#fff}
.contact b{position:absolute;left:8px;top:8px;font:700 9.5px/1 var(--mono);background:rgba(10,10,11,.85);color:var(--red);padding:4px 6px;border-radius:6px}
.contact .max b{color:#fff;background:var(--red)}
.fmt{display:flex;gap:28px;flex-wrap:wrap;margin-top:34px;color:var(--mut)}
.fmt b{color:var(--ink)}

/* 05 · studio */
.tools{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.tools a{padding:22px 20px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .25s}
.tools a:hover{background:rgba(255,255,255,.03)}
.tools b{display:block;font:700 11px var(--mono);color:var(--red);letter-spacing:.12em}
.tools strong{display:block;margin-top:14px;font-size:17px;letter-spacing:-.01em}
.tools small{display:block;margin-top:6px;color:var(--dim);font:700 10px/1.4 var(--mono);letter-spacing:.12em}

/* 06 · passes */
.free{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:26px;padding:18px 22px;border:1px dashed var(--line2);border-radius:18px;color:var(--ink2)}
.free b{color:var(--ink)}.free .sp{flex:1}
.passes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pass{position:relative;display:flex;flex-direction:column;border-radius:22px;background:#151517;border:1px solid var(--line);overflow:hidden}
.pass .top{padding:26px 26px 22px}
.pass .bot{margin-top:auto;padding:20px 26px 26px;border-top:2px dashed rgba(244,242,238,.16)}
.pass:before,.pass:after{content:"";position:absolute;width:26px;height:26px;border-radius:50%;background:var(--bg);bottom:calc(var(--stub) - 13px)}
.pass:before{left:-13px}.pass:after{right:-13px}
.pass{--stub:112px}
.pass .kind{display:flex;justify-content:space-between;color:var(--mut)}
.pass h3{margin:22px 0 0;font:800 40px/1 var(--sans);letter-spacing:-.04em}
.pass .valid{margin-top:8px;color:var(--mut)}
.pass ul{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:9px;font-size:15px;color:var(--ink2)}
.pass li{padding-left:22px;position:relative}.pass li:before{content:"";position:absolute;left:2px;top:9px;width:10px;height:2px;background:var(--red)}
.pass .price{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.pass .price b{font:800 34px/1 var(--sans);letter-spacing:-.03em}.pass .price b s{font-size:.55em;color:var(--dim);margin-right:8px}
.pass .price small{color:var(--dim)}
.pass .btn{width:100%;padding:16px}
.pass .btn.line{border-color:var(--line2)}
.pass.life{background:var(--red);border-color:var(--red)}
.pass.life .kind,.pass.life .valid,.pass.life .price small{color:rgba(255,255,255,.75)}
.pass.life ul{color:#fff}.pass.life li:before{background:#fff}
.pass.life .bot{border-color:rgba(255,255,255,.35)}
.pass.life .btn{background:#fff;color:var(--red);box-shadow:none}
.pass .btn.owned{opacity:.6;cursor:default}
.status{display:none;margin:0 0 22px;padding:14px 18px;border-radius:14px;background:rgba(232,65,58,.12);color:var(--ink)}.status.on{display:block}
.refline{display:none;margin:0 0 22px;color:var(--ink2)}body.has-ref .refline{display:block}
.invite{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;margin-top:26px;padding:22px 24px;border:1px solid var(--line);border-radius:22px}
.invite h3{margin:0;font-size:20px;letter-spacing:-.02em}.invite p{margin:6px 0 0;color:var(--mut);font-size:15px}
.invite .code{display:flex;gap:10px;align-items:center}
.invite .box{font:700 13px var(--mono);letter-spacing:.08em;padding:13px 16px;border-radius:12px;background:#151517;border:1px solid var(--line);color:var(--ink)}
.invite .box.empty{color:var(--dim);font:600 13px var(--sans);letter-spacing:0}
.fine{margin-top:22px;color:var(--dim);font-size:14px;display:flex;gap:24px;flex-wrap:wrap}.fine a{color:var(--ink2);text-decoration:underline}

/* 07 · faq */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;counter-reset:q}
.faq details{border-top:1px solid var(--line);padding:22px 0;counter-increment:q}
.faq summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:56px 1fr 20px;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"Q." counter(q,decimal-leading-zero);font:700 11px/1.9 var(--mono);color:var(--red);letter-spacing:.1em}
.faq summary:after{content:"+";color:var(--dim);font-weight:500;font-size:22px;line-height:.9;text-align:right}
.faq details[open] summary:after{content:"–"}
.faq p{margin:12px 0 0 66px;color:var(--mut);font-size:15.5px}
.faq a{color:var(--ink);text-decoration:underline}

/* closing + footer */
.closing{padding:170px 0 150px;text-align:center;border-top:1px solid var(--line)}
.closing h2{font-size:clamp(56px,10vw,150px);line-height:.88;letter-spacing:-.06em}
.closing p{margin:22px auto 0;max-width:520px;color:var(--mut);font-size:18px}
.closing .row{display:flex;justify-content:center;gap:14px;margin-top:34px;flex-wrap:wrap}
.foot{border-top:1px solid var(--line);padding:70px 0 50px;color:var(--mut);font-size:14px}
.foot .shell{max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.foot .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot p{max-width:320px}
.foot h4{margin:0 0 14px;color:var(--ink);font-size:13px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}.foot a:hover{color:var(--ink)}
.foot small{display:block;margin-top:44px;color:var(--dim);font-size:12px;line-height:1.6}

/* ---------- tablet ---------- */
@media (max-width:1080px){
 .head{grid-template-columns:1fr;gap:20px}
 .noai{grid-template-columns:1fr;gap:40px}
 .hang{columns:2}
 .contact{grid-template-columns:repeat(6,1fr)}
 .tools{grid-template-columns:repeat(3,1fr)}
 .passes{grid-template-columns:1fr 1fr}
 .boards{grid-template-columns:1fr 1fr}
 .foot .grid{grid-template-columns:1fr 1fr}
}
/* ---------- phone (matches the 3D module's 760px switch) ---------- */
@media (max-width:759px){
 :root{--pad:16px}
 .nav{gap:12px;padding:12px var(--pad)}
 .nav .links{display:none}
 .lang summary span{display:none}
 .nav .btn{padding:11px 15px;font-size:14px}
 .stage{height:200vh}
 .pin{--r:40vw;--cy:33%;--ms:.92}
 .wall{grid-template-columns:repeat(4,1fr);gap:10px;padding:0 10px}
 .col{gap:10px}.col img{border-radius:10px}
 .wall .col:nth-child(n+5){display:none}
 .model{left:0;width:100%;height:100%;top:calc(var(--cy) - 50% - 19.5% + var(--dy,0px));transform-origin:50% 69.5%}
 .ring svg{inset:-20px;width:calc(100% + 40px);height:calc(100% + 40px)}
 .hero-copy{bottom:4vh}
 h1{font-size:40px;max-width:11ch}
 .hero-copy .sub{font-size:15px}
 .hero-copy .row{flex-direction:column;gap:12px}
 .hero-copy .btn.big{width:100%;max-width:340px}
 .layer-copy{left:var(--pad);right:var(--pad);top:auto;bottom:5vh;transform:none;max-width:none}
 .hint{display:none}
 .tags{display:none}
 .sec{padding:88px 0}
 h2{font-size:36px}
 .lede{font-size:16px}
 .head{margin-bottom:36px}
 .prov li{grid-template-columns:1fr;gap:6px}
 .zero{font-size:120px}
 .hang{columns:initial;display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 calc(-1 * var(--pad));padding:0 var(--pad) 10px;scrollbar-width:none}
 .hang::-webkit-scrollbar{display:none}
 .sheet{flex:0 0 80%;scroll-snap-align:center;margin:0}
 .contact{grid-template-columns:repeat(3,1fr);gap:8px}
 .contact span{font-size:10.5px;padding:18px 6px 6px}
 .tools{grid-template-columns:1fr 1fr}
 .tools a{padding:18px 14px 20px}
 .passes{grid-template-columns:1fr}
 .boards{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 calc(-1 * var(--pad));padding:0 var(--pad) 10px;scrollbar-width:none}
 .boards figure{flex:0 0 86%;scroll-snap-align:center}
 .invite{grid-template-columns:1fr}
 .invite .code{flex-wrap:wrap}.invite .box{flex:1}
 .faq{grid-template-columns:1fr}
 .faq p{margin-left:0}
 .faq summary{grid-template-columns:44px 1fr 18px;font-size:16px}
 .closing{padding:110px 0 100px}
 .foot .grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){.col{animation:none}.rv{opacity:1;transform:none;transition:none}}

/* ---------- nav extras ---------- */
.nav{transition:background .3s,border-color .3s,transform .5s cubic-bezier(.2,.7,.2,1)}
.nav.hide{transform:translateY(-110%)}
.nav .nav-ws{padding:12px 18px;font-size:14px}
.hero-copy .row .btn.line{background:rgba(10,10,11,.55)}
.mag{will-change:transform;transition:transform .35s cubic-bezier(.2,.7,.2,1),background .2s}

/* ---------- 01 · one click ---------- */
.oc{display:grid;grid-template-columns:1fr 1.05fr;gap:80px;align-items:center}
.strike{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:12px}
.strike li{position:relative;width:max-content;max-width:100%;color:var(--mut);font-size:17px}
.strike li span{position:relative}
.strike li span:after{content:"";position:absolute;left:-4px;right:-4px;top:55%;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .7s cubic-bezier(.7,0,.2,1)}
.rv.in .strike li span:after{transform:scaleX(1)}
.rv.in .strike li:nth-child(2) span:after{transition-delay:.25s}.rv.in .strike li:nth-child(3) span:after{transition-delay:.5s}.rv.in .strike li:nth-child(4) span:after{transition-delay:.75s}
.demo{position:relative;border-radius:26px;background:#141416;border:1px solid var(--line);padding:18px;box-shadow:0 60px 120px -40px rgba(0,0,0,.9)}
.demo-top{display:flex;gap:8px;align-items:center}
.demo-in{flex:1;display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:#1d1d20;color:var(--ink2);font-size:14px;font-weight:600}
.demo-in i{width:9px;height:9px;border-radius:50%;background:var(--red)}
.demo-chip{padding:11px 12px;border-radius:12px;background:#1d1d20;font:700 11px var(--mono);color:var(--mut)}
.demo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0}
.demo-grid i{display:block;aspect-ratio:1;border-radius:10px;background:#1d1d20;overflow:hidden}
.demo-grid img{width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(.6);transition:opacity .35s,transform .45s cubic-bezier(.2,1.4,.4,1)}
.demo.run .demo-grid img{opacity:1;transform:none;transition-delay:calc(var(--k) * 90ms + .5s)}
.demo-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.demo-go{display:inline-flex;align-items:center;justify-content:center;min-width:150px;padding:15px 22px;border-radius:999px;background:var(--red);color:#fff;font-weight:800;transition:transform .15s}
.demo.press .demo-go{transform:scale(.93)}
.demo-count{color:var(--mut)}.demo-count b{color:var(--ink);font-size:14px}
.demo-cursor{position:absolute;left:70%;top:110%;width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.95);box-shadow:0 0 0 6px rgba(255,255,255,.15);transition:left .8s cubic-bezier(.6,0,.2,1),top .8s cubic-bezier(.6,0,.2,1),transform .15s;pointer-events:none}
.demo.aim .demo-cursor{left:96px;top:calc(100% - 36px)}
.demo.press .demo-cursor{transform:scale(.7)}

/* ---------- 03 · sheets, horizontal ---------- */
.hz{padding:0}
.hz-pin{position:relative;padding:150px 0 120px}
.hz-track{display:flex;gap:28px;padding:0 var(--pad);overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.hz-track::-webkit-scrollbar{display:none}
.hz-track .sheet{flex:0 0 auto;width:min(380px,78vw);margin:0;scroll-snap-align:center;transition:transform .2s linear}
.hz-bar{height:2px;background:var(--line);margin-top:34px;border-radius:2px;overflow:hidden}
.hz-bar i{display:block;height:100%;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left}
html.hz-on .hz-pin{position:sticky;top:0;height:100vh;height:100svh;padding:0;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
html.hz-on .hz-pin .head{margin-bottom:40px}
html.hz-on .hz-track{overflow:visible;scroll-snap-type:none;padding-left:max(var(--pad),calc((100vw - var(--w)) / 2 + var(--pad)));will-change:transform}
html.hz-on .hz-track .sheet{width:auto;height:min(58vh,560px)}
html.hz-on .hz-track .sheet img{height:calc(100% - 46px);width:auto}

/* ---------- motion helpers ---------- */
[data-tilt]{transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.stagger>*{opacity:0;transform:translateY(22px) scale(.98);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.stagger.in>*{opacity:1;transform:none}
.line-up{display:block;overflow:hidden}
.line-up>span{display:block;transform:translateY(105%);transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.in .line-up>span,.line-up.in>span{transform:none}
@media (max-width:1080px){.oc{grid-template-columns:1fr;gap:50px}}
@media (max-width:759px){
 .nav .nav-ws{display:none}
 .hero-copy .row .btn.line{display:none}
 .hz-pin{padding:88px 0 70px}
 .hz-track{gap:14px}
 .hz-track .sheet{width:80vw}
 .demo{padding:12px;border-radius:20px}
 .demo-grid{grid-template-columns:repeat(3,1fr)}
 .demo-grid i:nth-child(n+10){display:none}
 .demo-chip:last-child{display:none}
 .strike li{font-size:15px}
}
@media (prefers-reduced-motion:reduce){.stagger>*{opacity:1;transform:none}.demo-grid img{opacity:1;transform:none}.line-up>span{transform:none}}

/* ---------- 06 · tool guide ---------- */
.guide{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:start}
.g-list{border-top:1px solid var(--line)}
.g-row{width:100%;display:grid;grid-template-columns:52px minmax(0,1fr) auto;grid-template-rows:auto auto;column-gap:16px;align-items:baseline;text-align:left;padding:18px 6px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);cursor:pointer;font:inherit;position:relative;transition:padding .35s cubic-bezier(.2,.7,.2,1),color .3s}
.g-row b{grid-row:1/3;color:var(--dim);font-size:11px;transition:color .3s}
.g-row strong{font-size:20px;letter-spacing:-.02em;font-weight:800}
.g-row .g-line{grid-column:2;color:var(--dim);font-size:14px;margin-top:3px;transition:color .3s}
.g-row i{grid-row:1/3;grid-column:3;font-style:normal;font-size:10px;color:var(--dim);border:1px solid var(--line2);border-radius:999px;padding:6px 10px;align-self:center}
.g-row:before{content:"";position:absolute;left:0;top:-1px;bottom:-1px;width:3px;background:var(--red);transform:scaleY(0);transform-origin:top;transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.g-row.on{padding-left:22px}
.g-row.on:before{transform:scaleY(1)}
.g-row.on b{color:var(--red)}.g-row.on .g-line{color:var(--ink2)}
.g-row.on i{border-color:var(--red);color:var(--ink)}
/* the panel follows the chosen row inside the guide and never leaves it (it used to be sticky as well, which pushed row 11 into Pricing) */
.guide{position:relative}.g-panel{position:relative;min-height:360px;transform:translateY(var(--gy,0px));transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.g-item{position:absolute;inset:0 0 auto 0;padding:34px;border-radius:24px;background:#151517;border:1px solid var(--line);opacity:0;visibility:hidden;transform:translateY(16px) scale(.98);transition:opacity .45s,transform .55s cubic-bezier(.2,.7,.2,1),visibility .45s}
.g-item.on{position:relative;opacity:1;visibility:visible;transform:none}
.g-tag{color:var(--mut)}.g-tag b{color:var(--red);margin-right:4px}
.g-item h3{margin:18px 0 0;font:800 clamp(28px,2.8vw,40px)/1.02 var(--sans);letter-spacing:-.04em}
html[lang^=zh] .g-item h3{letter-spacing:-.01em;line-height:1.15}
.g-item p{margin:16px 0 0;color:var(--mut);font-size:16.5px}
.g-out{display:inline-block;margin-top:20px;padding:9px 13px;border-radius:10px;background:rgba(255,255,255,.05);color:var(--ink2)}
.g-item .btn{margin-top:24px}
@media (max-width:1080px){.guide{grid-template-columns:1fr;gap:24px}.g-panel{position:relative;top:0;transform:none}}
@media (max-width:759px){
 .g-list{display:none}
 .g-panel{display:grid;gap:12px;min-height:0}
 .g-item,.g-item.on{position:relative;inset:auto;opacity:1;visibility:visible;transform:none;padding:22px}
 .g-item h3{font-size:24px}
 .g-item p{font-size:15px}
}