/* Kepler Carbon v6 — "Carbon you can see" */
@font-face{font-family:"Inter Tight";src:url("../fonts/intertight.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("../fonts/geistmono.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"KC Sans SC";src:url("../fonts/notosc-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"KC Sans SC";src:url("../fonts/notosc-500.woff2") format("woff2");font-weight:500 600;font-display:swap}
@font-face{font-family:"KC Sans SC";src:url("../fonts/notosc-700.woff2") format("woff2");font-weight:700 900;font-display:swap}

:root{
 --ink:#1d1f21; --graphite:#232527; --g2:#2c2f31; --g70:#4A4D50; --stone:#7A7D7C;
 --chalk:#F3F0E7; --paper:#ECE8DC; --bone:#E2DDCD; --lichen:#94A162; --lichen-d:#6f7a44; --moss:#3a4227;
 --line:rgba(35,37,39,.14); --line-2:rgba(35,37,39,.3); --line-d:rgba(243,240,231,.14); --line-d2:rgba(243,240,231,.3);
 --sans:"Inter Tight","KC Sans SC",system-ui,sans-serif; --body:"Inter","KC Sans SC",system-ui,sans-serif; --mono:"Geist Mono",ui-monospace,monospace;
 --gut:max(20px,env(safe-area-inset-left,0px)); --gutr:max(20px,env(safe-area-inset-right,0px));
 --ease:cubic-bezier(.2,.7,.1,1); --ease-io:cubic-bezier(.7,0,.2,1);
 color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--chalk);color:var(--graphite);font:400 17px/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:clip}
html:lang(zh-CN) body{font-size:16px;line-height:1.8}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
::selection{background:var(--lichen);color:var(--graphite)}
.sr{position:fixed;left:12px;top:-60px;z-index:200;background:var(--graphite);color:var(--chalk);padding:10px 14px;border-radius:8px}
.sr:focus{top:12px}
:focus-visible{outline:2px solid var(--lichen);outline-offset:3px}
.mono{font:500 11.5px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.wrap{width:100%;max-width:1600px;margin:0 auto;padding-left:var(--gut);padding-right:var(--gutr)}
@media(min-width:900px){:root{--gut:max(48px,env(safe-area-inset-left,0px));--gutr:max(48px,env(safe-area-inset-right,0px))}}
.dot{display:inline-block;width:.32em;height:.32em;border-radius:50%;background:var(--lichen);vertical-align:.08em;margin-left:.08em}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:90;padding-top:env(safe-area-inset-top,0px);transition:transform .6s var(--ease),color .4s}
.hdr__in{display:flex;align-items:center;gap:28px;padding:22px var(--gutr) 22px var(--gut);max-width:1700px;margin:0 auto}
.hdr__logo{display:block;width:118px;flex:none;position:relative}
.hdr__logo img{width:100%;height:auto;transition:opacity .4s}
.hdr__logo .l-chalk{position:absolute;inset:0;opacity:0}
.hdr.is-inv{color:var(--chalk)}
.hdr.is-inv .l-ink{opacity:0}.hdr.is-inv .l-chalk{opacity:1}
.hdr.is-hidden{transform:translateY(-110%)}
.hdr__nav{display:flex;gap:4px;margin-left:auto;padding:5px;border-radius:99px;background:rgba(243,240,231,.72);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);border:1px solid var(--line);color:var(--graphite)}
.hdr__nav a{position:relative;padding:9px 15px;border-radius:99px;font:500 14px/1 var(--sans);white-space:nowrap;transition:background .3s}
.hdr__nav a:hover{background:rgba(35,37,39,.07)}
.hdr__nav a[aria-current=page]{background:var(--graphite);color:var(--chalk)}
.roll{display:inline-block;overflow:hidden;vertical-align:top;height:1em}
.roll span{display:block;transition:transform .5s var(--ease)}
.roll span::after{content:attr(data-t);display:block}
.hdr__nav a:hover .roll span{transform:translateY(-100%)}
.hdr__tools{display:flex;align-items:center;gap:10px}
.lang{display:flex;padding:4px;border-radius:99px;background:rgba(243,240,231,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);color:var(--graphite)}
.lang a{padding:7px 10px;border-radius:99px;font:500 12px/1 var(--mono)}
.lang a[aria-current=true]{background:var(--lichen)}
.hdr .btn{display:none}
.burger{display:none;width:46px;height:46px;border-radius:50%;background:var(--graphite);position:relative}
.burger i,.burger i::before{position:absolute;left:14px;right:14px;height:1.5px;background:var(--chalk);transition:transform .4s var(--ease)}
.burger i{top:19px}.burger i::before{content:"";left:0;right:0;top:7px}
.menu-open .burger i{transform:translateY(3.5px) rotate(45deg)}
.menu-open .burger i::before{transform:translateY(-7px) rotate(-90deg)}
@media(min-width:1200px){.hdr .btn{display:inline-flex}}
@media(max-width:1060px){.hdr__nav{display:none}.burger{display:block}.hdr__tools{margin-left:auto}}
.menu{position:fixed;inset:0;z-index:85;background:var(--graphite);color:var(--chalk);display:flex;flex-direction:column;justify-content:flex-end;padding:120px var(--gutr) calc(36px + env(safe-area-inset-bottom,0px)) var(--gut);clip-path:circle(0% at calc(100% - 44px) 44px);transition:clip-path .9s var(--ease-io);visibility:hidden}
.menu-open .menu{clip-path:circle(150% at calc(100% - 44px) 44px);visibility:visible}
.menu ol{list-style:none;margin:0;padding:0}
.menu li a{display:flex;align-items:baseline;justify-content:space-between;font:600 clamp(38px,10vw,84px)/1.08 var(--sans);letter-spacing:-.04em;border-top:1px solid var(--line-d);padding:8px 0}
.menu li small{font:500 12px var(--mono);color:var(--lichen)}
.menu__foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:28px;color:var(--stone)}
.menu-open .hdr{color:var(--chalk)}.menu-open .hdr .l-ink{opacity:0}.menu-open .hdr .l-chalk{opacity:1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;height:48px;padding:0 8px 0 22px;border-radius:99px;background:var(--graphite);color:var(--chalk);font:500 15px/1 var(--sans);white-space:nowrap;position:relative;overflow:hidden;isolation:isolate}
.btn::before{content:"";position:absolute;inset:0;background:var(--lichen);transform:translateY(101%);border-radius:inherit;transition:transform .55s var(--ease);z-index:-1}
.btn:hover::before{transform:none}.btn:hover{color:var(--graphite)}
.btn .ar{width:32px;height:32px;border-radius:50%;background:var(--chalk);color:var(--graphite);display:grid;place-items:center;flex:none;transition:transform .5s var(--ease)}
.btn .ar svg{width:13px}
.btn:hover .ar{transform:rotate(-45deg)}
.btn--light{background:var(--chalk);color:var(--graphite)}.btn--light .ar{background:var(--graphite);color:var(--chalk)}
.btn--lichen{background:var(--lichen);color:var(--graphite)}.btn--lichen::before{background:var(--chalk)}.btn--lichen .ar{background:var(--graphite);color:var(--chalk)}
.link{display:inline-flex;align-items:center;gap:10px;font:500 15px var(--sans);border-bottom:1px solid currentColor;padding-bottom:4px}
.link svg{width:13px;transition:transform .4s var(--ease)}.link:hover svg{transform:translateX(4px)}

/* ---------- type ---------- */
.eyebrow{display:flex;gap:14px;align-items:center;color:var(--stone)}
.eyebrow b{font-weight:500;color:var(--graphite)}
.eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--lichen);flex:none}
.inv .eyebrow b,.xp .eyebrow b{color:var(--chalk)}
.d1{font:250 clamp(54px,11.2vw,212px)/.86 var(--sans);letter-spacing:-.065em;margin:0}
.d1 b,.d2 b{font-weight:700}
.d2{font:300 clamp(40px,6.4vw,118px)/.94 var(--sans);letter-spacing:-.05em;margin:0;text-wrap:balance}
.d3{font:400 clamp(30px,3.6vw,60px)/1.02 var(--sans);letter-spacing:-.035em;margin:0;text-wrap:balance}
html:lang(zh-CN) .d1,html:lang(zh-CN) .d2,html:lang(zh-CN) .d3{letter-spacing:-.02em;line-height:1.08;font-weight:500}
.lead{font:400 clamp(18px,1.5vw,23px)/1.5 var(--sans);letter-spacing:-.01em;max-width:44ch;margin:0}
.prose p{margin:0 0 1em;max-width:62ch;color:var(--g70)}
.inv .prose p{color:rgba(243,240,231,.72)}
.muted{color:var(--stone)}
.ln{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}
.ln>span{display:block}

section{position:relative}
.inv{background:var(--graphite);color:var(--chalk)}
.pad{padding-block:clamp(110px,14vw,220px)}

/* ---------- HERO: specimen window ---------- */
.xh{height:330vh;position:relative;background:var(--chalk)}
.xh__pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.xh__meta{position:absolute;left:var(--gut);right:var(--gutr);top:calc(104px + env(safe-area-inset-top,0px));display:flex;justify-content:space-between;gap:16px;color:var(--stone)}
.xh__meta span:nth-child(2){display:none}
@media(min-width:900px){.xh__meta span:nth-child(2){display:block}}
.xh__t{position:absolute;left:var(--gut);right:var(--gutr);top:50%;transform:translateY(-46%);font:200 clamp(64px,13.4vw,260px)/.84 var(--sans);letter-spacing:-.07em;margin:0;z-index:2;pointer-events:none}
.xh__t .r{display:flex;align-items:center;gap:.12em;white-space:nowrap}
.xh__t .r2{justify-content:flex-end}
.xh__t b{font-weight:700}
.xh__slot{display:inline-block;width:2.05em;height:.74em;border-radius:.14em;flex:none}
.xh__t .w{display:inline-block;will-change:transform}
.xh__win{position:absolute;z-index:3;overflow:hidden;border-radius:22px;background:var(--graphite);will-change:left,top,width,height}
.xh__win img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.25)}
.xh__win .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(29,31,33,.35),rgba(29,31,33,.05) 40%,rgba(29,31,33,.75));opacity:0}
.xh__tag{position:absolute;left:12px;bottom:10px;color:var(--chalk);font:500 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;opacity:.85;white-space:nowrap}
.xh__in{position:absolute;inset:auto var(--gutr) calc(44px + env(safe-area-inset-bottom,0px)) var(--gut);z-index:4;color:var(--chalk);display:grid;gap:28px;pointer-events:none;opacity:0}
.xh__in>*{pointer-events:auto}
.xh__in h2{font:300 clamp(36px,5.6vw,104px)/.95 var(--sans);letter-spacing:-.05em;margin:0;max-width:13ch}
.xh__in h2 b{font-weight:700}
.xh__row{display:flex;flex-wrap:wrap;gap:22px 48px;align-items:flex-end;justify-content:space-between}
.xh__row p{max-width:46ch;margin:0;font:400 clamp(16px,1.3vw,20px)/1.5 var(--sans);color:rgba(243,240,231,.85)}
.xh__facts{display:flex;gap:clamp(20px,3vw,48px);flex-wrap:wrap}
.xh__facts div{border-left:1px solid var(--line-d2);padding-left:14px}
.xh__facts b{display:block;font:600 clamp(26px,2.4vw,40px)/1 var(--sans);letter-spacing:-.04em}
.xh__facts span{font:500 10.5px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:rgba(243,240,231,.7)}
.xh__foot{position:absolute;left:var(--gut);right:var(--gutr);bottom:calc(28px + env(safe-area-inset-bottom,0px));display:flex;justify-content:space-between;align-items:flex-end;gap:20px;z-index:2}
.xh__foot p{margin:0;max-width:36ch;font:400 clamp(15px,1.15vw,18px)/1.5 var(--sans);color:var(--g70)}
.scrollcue{display:flex;align-items:center;gap:10px;color:var(--stone)}
.scrollcue i{width:1px;height:46px;background:var(--line-2);position:relative;overflow:hidden}
.scrollcue i::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:var(--graphite);animation:cue 1.8s var(--ease-io) infinite}
@keyframes cue{to{top:100%}}
@media(max-width:700px){.xh__foot p{display:none}.xh__t{transform:translateY(-60%)}}

/* ---------- depth gauge (signature) ---------- */
.gauge{position:fixed;right:max(18px,env(safe-area-inset-right,0px));top:50%;transform:translateY(-50%);z-index:60;display:none;flex-direction:column;align-items:flex-end;gap:12px;color:var(--graphite);pointer-events:none;opacity:0;transition:opacity .5s,color .4s}
.gauge.dk{color:var(--chalk)}
.gauge.on{opacity:1}
@media(min-width:1100px){.gauge{display:flex}}
.gauge__ruler{position:relative;width:14px;height:38vh}
.gauge__ruler i{position:absolute;right:0;height:1px;background:currentColor;opacity:.55;width:6px}
.gauge__ruler i:nth-child(5n+1){width:14px;opacity:1}
.gauge__mark{position:absolute;right:20px;width:9px;height:9px;border-radius:50%;background:var(--lichen);transform:translateY(-50%);box-shadow:0 0 0 4px rgba(148,161,98,.3)}
.gauge__val{order:2;font:500 9px/1.3 var(--mono);letter-spacing:.06em;text-align:right;width:34px}
.gauge__val b{display:block;white-space:nowrap;text-transform:none;font:600 15px/1 var(--sans);letter-spacing:-.03em;margin-top:3px}

/* ---------- intro statement ---------- */
.xi__grid{display:grid;gap:40px}
@media(min-width:1000px){.xi__grid{grid-template-columns:3fr 9fr;gap:60px}}
.fill{font:300 clamp(30px,4.1vw,72px)/1.06 var(--sans);letter-spacing:-.04em;margin:0;text-wrap:pretty}
html:lang(zh-CN) .fill{letter-spacing:0;line-height:1.35;font-weight:400}
.fill .wd{color:rgba(35,37,39,.16);transition:color .2s}
.fill .wd.on{color:var(--graphite)}
.inv .fill .wd{color:rgba(243,240,231,.16)}.inv .fill .wd.on{color:var(--chalk)}
.xi__cols{display:grid;gap:40px;margin-top:clamp(70px,9vw,140px)}
@media(min-width:900px){.xi__cols{grid-template-columns:5fr 7fr;gap:clamp(40px,6vw,110px);align-items:end}}
.ph{position:relative;overflow:hidden;border-radius:18px;background:var(--bone)}
.ph img{width:100%;height:100%;object-fit:cover;transform-origin:50% 50%}
.ph .tag{position:absolute;left:14px;bottom:12px;color:var(--chalk);font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.r-34{aspect-ratio:3/4}.r-43{aspect-ratio:4/3}.r-169{aspect-ratio:16/9}.r-45{aspect-ratio:4/5}.r-11{aspect-ratio:1}

/* ---------- process: straw → soil (pinned) ---------- */
.xp{background:var(--graphite);color:var(--chalk)}
.xp__pin{height:100vh;height:100svh;position:relative;overflow:hidden}
.xp__imgs{position:absolute;inset:0}
.xp__img{position:absolute;inset:0;clip-path:inset(100% 0 0 0)}
.xp__img:first-child{clip-path:inset(0)}
.xp__img img{width:100%;height:100%;object-fit:cover;transform:scale(1.12)}
.xp__img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(29,31,33,.88) 0%,rgba(29,31,33,.55) 40%,rgba(29,31,33,.1) 75%),linear-gradient(0deg,rgba(29,31,33,.6),transparent 40%)}
.xp__ui{position:absolute;inset:0;padding:calc(120px + env(safe-area-inset-top,0px)) var(--gutr) calc(40px + env(safe-area-inset-bottom,0px)) var(--gut);display:grid;grid-template-rows:auto 1fr auto;z-index:2}
.xp__head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}
.xp__steps{position:relative;align-self:center}
.xp__step{position:absolute;left:0;top:50%;transform:translateY(-50%);max-width:min(720px,100%);opacity:0;visibility:hidden}
.xp__step:first-child{opacity:1;visibility:visible}
.xp__n{font:200 clamp(90px,15vw,250px)/.8 var(--sans);letter-spacing:-.07em;color:var(--lichen);display:block;margin-bottom:10px}
.xp__step h3{font:600 clamp(34px,4.4vw,74px)/.96 var(--sans);letter-spacing:-.045em;margin:0 0 20px}
.xp__step p{margin:0;max-width:46ch;font:400 clamp(16px,1.25vw,19px)/1.55 var(--sans);color:rgba(243,240,231,.8)}
.xp__spec{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.xp__spec span{border:1px solid var(--line-d2);border-radius:99px;padding:7px 12px;font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase}
.xp__bar{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.xp__bar div{font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:rgba(243,240,231,.55)}
.xp__bar div i{display:block;height:2px;background:var(--line-d2);margin-bottom:12px;position:relative;overflow:hidden}
.xp__bar div i b{position:absolute;inset:0;background:var(--lichen);transform:scaleX(0);transform-origin:left}
.xp__bar div.on{color:var(--chalk)}
@media(max-width:700px){.xp__bar div span{display:none}}

/* ---------- market: lichen field ---------- */
.xm{background:var(--lichen);color:var(--graphite)}
.xm .eyebrow::before{background:var(--graphite)}
.xm .eyebrow{color:var(--moss)}
.xm__head{display:grid;gap:30px;margin-bottom:clamp(60px,8vw,120px)}
@media(min-width:1000px){.xm__head{grid-template-columns:7fr 5fr;align-items:end}}
.xm__grid{display:grid;border-top:1px solid rgba(35,37,39,.35)}
@media(min-width:800px){.xm__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1200px){.xm__grid{grid-template-columns:repeat(4,1fr)}}
.xm__s{padding:26px 24px 30px 0;border-bottom:1px solid rgba(35,37,39,.35);display:grid;gap:16px;align-content:start}
@media(min-width:800px){.xm__s{padding-left:24px;border-left:1px solid rgba(35,37,39,.35)}.xm__s:nth-child(2n+1){border-left:0;padding-left:0}}
@media(min-width:1200px){.xm__s:nth-child(2n+1){border-left:1px solid rgba(35,37,39,.35);padding-left:24px}.xm__s:first-child{border-left:0;padding-left:0}}
.xm__n{font:300 clamp(64px,7.4vw,132px)/.85 var(--sans);letter-spacing:-.065em;display:flex;align-items:baseline;gap:6px}
.xm__n small{font-size:.32em;font-weight:500;letter-spacing:-.02em}
.xm__s p{margin:0;max-width:30ch;color:var(--moss);font-size:15.5px}
.xm__src{margin-top:22px;color:var(--moss)}

/* ---------- soil core (signature) ---------- */
.xs{background:var(--paper)}
.xs__grid{display:grid;gap:50px}
@media(min-width:1000px){.xs__grid{grid-template-columns:5fr 7fr;gap:clamp(50px,7vw,130px)}}
.xs__core{position:relative}
@media(min-width:1000px){.xs__core{position:sticky;top:110px;height:calc(100vh - 150px);align-self:start}}
.xs__core .ph{height:100%;min-height:520px;border-radius:24px}
.xs__line{position:absolute;left:-14px;right:-14px;top:44%;height:2px;background:var(--graphite);transform-origin:left;z-index:2}
.xs__line::after{content:"";position:absolute;right:-6px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;background:var(--lichen);box-shadow:0 0 0 5px rgba(148,161,98,.25)}
.xs__lbl{position:absolute;left:16px;top:calc(44% - 38px);z-index:2;background:var(--graphite);color:var(--chalk);padding:7px 11px;border-radius:99px;font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase}
.xs__ticks{position:absolute;top:24px;bottom:24px;right:16px;display:flex;flex-direction:column;justify-content:space-between;z-index:2;color:var(--chalk);font:500 10px var(--mono);text-align:right;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.xs__layers{display:grid}
.xs__l{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:34px 0;border-top:1px solid var(--line-2);transition:opacity .4s}
@media(min-width:700px){.xs__l{grid-template-columns:130px 1fr auto}}
.xs__l h3{font:500 clamp(24px,2.3vw,36px)/1.05 var(--sans);letter-spacing:-.035em;margin:0 0 10px}
.xs__l p{margin:0;color:var(--g70);max-width:48ch}
.xs__l .k{color:var(--stone)}
.xs__l .tagk{display:none}
@media(min-width:700px){.xs__l .tagk{display:block;align-self:start;border:1px solid var(--line-2);border-radius:99px;padding:6px 11px;color:var(--g70)}}
.xs__l.is-carbon{background:var(--graphite);color:var(--chalk);border-radius:20px;padding:34px 24px;margin:6px -24px;border-top-color:transparent}
.xs__l.is-carbon p{color:rgba(243,240,231,.75)}.xs__l.is-carbon .k{color:var(--lichen)}
.xs__l.is-carbon .tagk{border-color:var(--lichen);color:var(--lichen)}

/* ---------- index list (businesses) ---------- */
.xl__head{display:grid;gap:28px;margin-bottom:clamp(50px,6vw,90px)}
@media(min-width:1000px){.xl__head{grid-template-columns:7fr 5fr;align-items:end}}
.xl__list{border-top:1px solid var(--line-2)}
.xl__row{position:relative;display:grid;grid-template-columns:44px 1fr auto;gap:14px 20px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line-2);isolation:isolate}
.xl__row::before{content:"";position:absolute;inset:0 calc(-1 * var(--gut));background:var(--graphite);transform:scaleY(0);transform-origin:bottom;transition:transform .55s var(--ease);z-index:-1}
.xl__row:hover::before{transform:none;transform-origin:top}
.xl__row:hover{color:var(--chalk)}
.xl__row h3{font:400 clamp(28px,4.4vw,76px)/1 var(--sans);letter-spacing:-.05em;margin:0;transition:transform .55s var(--ease)}
.xl__row:hover h3{transform:translateX(14px)}
.xl__row .n{color:var(--stone)}
.xl__row .ar{width:52px;height:52px;border-radius:50%;border:1px solid currentColor;display:grid;place-items:center;transition:transform .5s var(--ease),background .4s,color .4s}
.xl__row .ar svg{width:15px}
.xl__row:hover .ar{background:var(--lichen);border-color:var(--lichen);color:var(--graphite);transform:rotate(-45deg)}
.xl__row p{grid-column:2/4;margin:0;max-width:62ch;color:var(--g70);transition:color .4s}
.xl__row:hover p{color:rgba(243,240,231,.7)}
.xl__row .th{display:none}
@media(min-width:1000px){.xl__row{grid-template-columns:70px 1.25fr 1fr auto}.xl__row p{grid-column:auto;font-size:15.5px}}
@media(max-width:999px){.xl__row .th{display:block;grid-column:1/-1;border-radius:14px;overflow:hidden;aspect-ratio:16/9}.xl__row .th img{width:100%;height:100%;object-fit:cover}}
.follow{position:fixed;left:0;top:0;width:min(26vw,380px);aspect-ratio:4/5;border-radius:18px;overflow:hidden;pointer-events:none;z-index:70;opacity:0;transform:translate(-50%,-50%) scale(.6);transition:opacity .35s,transform .5s var(--ease)}
.follow.on{opacity:1;transform:translate(-50%,-50%) scale(1)}
.follow img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.follow img.on{opacity:1}

/* ---------- bridge ---------- */
.xb{background:var(--graphite);color:var(--chalk);overflow:hidden}
.xb__cities{display:grid;gap:30px;margin-top:clamp(60px,8vw,110px);position:relative}
@media(min-width:900px){.xb__cities{grid-template-columns:1fr auto 1fr;align-items:center}}
.xb__city{display:grid;gap:12px}
.xb__city:last-child{text-align:right;justify-items:end}
.xb__city b{font:200 clamp(64px,10vw,190px)/.85 var(--sans);letter-spacing:-.07em}
html:lang(zh-CN) .xb__city b{letter-spacing:0;font-weight:400}
.xb__city .mono{color:rgba(243,240,231,.55)}
.xb__city .t{font:500 clamp(18px,1.6vw,24px) var(--mono);color:var(--lichen)}
.xb__wire{position:relative;width:100%;height:120px}
@media(min-width:900px){.xb__wire{width:min(28vw,420px)}}
.xb__wire svg{width:100%;height:100%;overflow:visible}
.xb__wire path{fill:none;stroke:var(--line-d2);stroke-width:1.2}
.xb__wire .flow{stroke:var(--lichen);stroke-width:2;stroke-dasharray:6 10;animation:flow 1.6s linear infinite}
.xb__wire .flow2{stroke:var(--chalk);stroke-dasharray:2 12;animation-direction:reverse;opacity:.6}
@keyframes flow{to{stroke-dashoffset:-32}}
.xb__wire .lbl{position:absolute;left:0;right:0;text-align:center;font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:rgba(243,240,231,.6)}
.xb__wire .lbl.t{top:-6px}.xb__wire .lbl.b{bottom:-6px}
.xb__proof{display:grid;gap:40px;margin-top:clamp(70px,9vw,140px);padding-top:50px;border-top:1px solid var(--line-d)}
@media(min-width:1000px){.xb__proof{grid-template-columns:5fr 7fr;gap:80px}}
.xb__big{font:200 clamp(120px,17vw,300px)/.8 var(--sans);letter-spacing:-.08em;display:flex;align-items:baseline}
.xb__big small{font-size:.24em;font-weight:500;letter-spacing:-.02em;color:var(--lichen);margin-left:10px}
.xb__pts{display:grid;gap:0}
.xb__pt{display:grid;grid-template-columns:40px 1fr;gap:16px;padding:24px 0;border-top:1px solid var(--line-d)}
.xb__pt:first-child{border-top:0;padding-top:0}
.xb__pt h3{font:500 22px/1.15 var(--sans);letter-spacing:-.025em;margin:0 0 8px}
.xb__pt p{margin:0;color:rgba(243,240,231,.68);max-width:56ch}
.xb__pt .mono{color:var(--lichen)}

/* ---------- reasons stack ---------- */
.xr__cards{display:grid;gap:22px;margin-top:clamp(50px,6vw,90px)}
.xr__card{position:sticky;top:calc(96px + var(--i,0) * 22px);display:grid;gap:24px;background:var(--chalk);border:1px solid var(--line-2);border-radius:28px;padding:22px;min-height:min(78vh,640px);transform-origin:50% 0}
@media(min-width:900px){.xr__card{grid-template-columns:6fr 6fr;padding:28px}}
.xr__card:nth-child(2){background:var(--bone)}
.xr__card:nth-child(3){background:var(--graphite);color:var(--chalk);border-color:transparent}
.xr__card:nth-child(3) .prose p{color:rgba(243,240,231,.72)}
.xr__txt{display:flex;flex-direction:column;justify-content:space-between;gap:30px;padding:12px}
.xr__txt h3{font:300 clamp(40px,5vw,88px)/.92 var(--sans);letter-spacing:-.055em;margin:0}
.xr__txt h3 b{font-weight:700}
.xr__card .ph{border-radius:18px;min-height:300px}
.xr__k{display:flex;justify-content:space-between;color:var(--stone)}
.xr__card:nth-child(3) .xr__k{color:var(--lichen)}

/* ---------- routes / CTA ---------- */
.xc{background:var(--chalk);overflow:hidden}
.xc__big{font:200 clamp(64px,13vw,250px)/.84 var(--sans);letter-spacing:-.075em;margin:0}
.xc__big b{font-weight:700}
html:lang(zh-CN) .xc__big{letter-spacing:-.02em;line-height:1.05;font-weight:400}
.xc__routes{display:grid;gap:14px;margin-top:clamp(60px,8vw,120px)}
@media(min-width:900px){.xc__routes{grid-template-columns:repeat(3,1fr)}}
.route{position:relative;display:flex;flex-direction:column;gap:18px;min-height:340px;padding:26px;border-radius:24px;border:1px solid var(--line-2);overflow:hidden;isolation:isolate;transition:color .5s,border-color .5s}
.route::before{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:var(--lichen);right:26px;top:26px;z-index:-1;transition:transform .8s var(--ease)}
.route:hover::before{transform:scale(60)}
.route:hover{border-color:var(--lichen)}
.route .mono{display:flex;justify-content:space-between;color:var(--stone);padding-right:40px}
.route:hover .mono{color:var(--moss)}
.route h3{font:400 clamp(28px,2.6vw,42px)/1.02 var(--sans);letter-spacing:-.04em;margin:auto 0 0}
.route p{margin:0;color:var(--g70);max-width:38ch}
.route .go{display:flex;align-items:center;justify-content:space-between;padding-top:18px;border-top:1px solid var(--line-2);font:500 15px var(--sans)}
.route .go svg{width:14px}

/* ---------- marquee ---------- */
.mq{border-block:1px solid var(--line-2);overflow:hidden;padding:22px 0;background:var(--chalk)}
.mq__t{display:flex;gap:56px;width:max-content;animation:mq 38s linear infinite}
.mq__t span{font:300 clamp(28px,3vw,48px)/1 var(--sans);letter-spacing:-.04em;white-space:nowrap;display:flex;align-items:center;gap:56px}
.mq__t span::after{content:"";width:12px;height:12px;border-radius:50%;background:var(--lichen)}
.mq__t .m{font:500 13px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--stone)}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:var(--chalk);padding-top:clamp(90px,10vw,150px);overflow:hidden;position:relative}
.ftr__top{display:grid;gap:44px}
@media(min-width:900px){.ftr__top{grid-template-columns:5fr 2fr 3fr 3fr}}
.ftr__claim{font:300 clamp(28px,2.8vw,46px)/1.05 var(--sans);letter-spacing:-.04em;margin:0 0 32px;max-width:15ch}
.ftr h4{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--stone);margin:0 0 18px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ftr li a{color:rgba(243,240,231,.82);transition:color .3s}.ftr li a:hover{color:var(--lichen)}
.ftr__clocks{display:flex;gap:30px;color:var(--stone)}
.ftr__clocks b{display:block;color:var(--chalk);font:500 20px var(--mono);margin-top:6px;letter-spacing:.02em}
.copy{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line-d2);border-radius:99px;padding:5px 5px 5px 14px;font-size:14px}
.copy button{border-radius:99px;padding:7px 12px;font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.06em}
.ftr__mark{margin-top:clamp(70px,9vw,140px);padding-bottom:10px}
.ftr__mark img{width:100%;height:auto;opacity:.95}
.ftr__bot{display:flex;flex-wrap:wrap;gap:16px 30px;justify-content:space-between;align-items:center;padding:26px 0 calc(26px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line-d);color:var(--stone)}
.totop{width:42px;height:42px;border-radius:50%;border:1px solid var(--line-d2);display:grid;place-items:center;color:var(--chalk)}

/* ---------- cursor ---------- */
.cursor{position:fixed;left:0;top:0;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--lichen);pointer-events:none;z-index:300;transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),background .3s;display:none}
.cursor__lbl{position:fixed;left:0;top:0;z-index:301;pointer-events:none;font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--graphite);transform:translate(-50%,-50%);opacity:0;transition:opacity .2s;display:none}
@media(hover:hover) and (pointer:fine){.cursor,.cursor__lbl{display:block}}
.cursor.big{width:86px;height:86px;margin:-43px 0 0 -43px}
.cursor__lbl.on{opacity:1}

/* reveal helpers */
.js [data-up]{opacity:0;transform:translateY(40px)}
@media(prefers-reduced-motion:reduce){.js [data-up]{opacity:1;transform:none}.mq__t,.xb__wire .flow{animation:none}}
@media(max-width:700px){
 .xh__t{font-size:21.5vw;transform:translateY(-52%)}
 .xh__t .r{flex-wrap:wrap;row-gap:.06em}
 .xh__t .r2{justify-content:flex-start}
 .xh__t .r2 .w3{flex-basis:100%;text-align:right}
 .xh__slot{width:2.6em;height:.8em;order:2}
 .xh__tag{display:none}
}
@media(max-width:999px){.xl__row .ar{display:none}.xl__row{grid-template-columns:44px 1fr}.xl__row p{grid-column:2}}