/* ============================================================
   MANIF8LD — light system
   Type scale, rhythm and grid follow a 1340px column on a 28px
   gutter. Everything is monoline black on pure white.
   ============================================================ */
@property --shine-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }

:root{
  --bg:#fff;
  --panel:#fafafa;
  --panel-2:#f2f2f2;
  --fg:#000;
  --fg-2:#000000a6;
  --fg-3:#0006;
  --fg-4:#00000038;
  --surface:#0000000d;
  --line:#0000001a;
  --line-2:#0003;
  --accent:#9ca3af;
  --accent-ink:#4b5563;
  --accent-glow:#00000021;
  --mono:"Roboto Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --cjk:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --t-display:clamp(26px,3.6vw,52px);
  --t-h2:clamp(20px,2.3vw,32px);
  --t-h3:18px;
  --t-body:13px;
  --t-nav:13px;
  --maxw:1340px;
  --gut:28px;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:var(--mono);font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
html[lang="zh"] body{font-family:var(--cjk)}
html[lang="zh"] h1,html[lang="zh"] h2,html[lang="zh"] h3,html[lang="zh"] .b2b-tab,
html[lang="zh"] .arch-title,html[lang="zh"] .endcta-h,html[lang="zh"] .head2{letter-spacing:.01em}
html[lang="zh"] .hero h1{white-space:normal}
a{color:inherit;text-decoration:none}
::selection{background:#000;color:#fff}
a,button,[role=button]{-webkit-tap-highlight-color:transparent}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--fg);outline-offset:3px}

.skip-link{
  position:fixed;top:-64px;left:50%;transform:translateX(-50%);z-index:200;
  background:var(--fg);color:var(--bg);border-radius:999px;
  font-family:var(--mono);font-size:13px;font-weight:600;padding:10px 22px;
  transition:top .2s ease;
}
.skip-link:focus-visible{top:16px}

.col{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}

/* ---------- primitives ---------- */
.dot{
  width:8px;height:8px;border-radius:999px;flex:none;
  background:var(--accent-ink);box-shadow:0 0 0 4px var(--accent-glow);
  animation:dot-pulse 2.6s infinite;
}
@keyframes dot-pulse{
  0%{box-shadow:0 0 0 0 var(--accent-glow)}
  70%{box-shadow:0 0 0 7px #0000}
  to{box-shadow:0 0 0 0 #0000}
}

.shiny{
  position:relative;display:inline-flex;padding:1.5px;border-radius:999px;cursor:pointer;
  background:conic-gradient(from var(--shine-angle),#dcdcdc,#242424 25%,#dcdcdc 50%,#242424 75%,#dcdcdc);
  animation:shine-spin 4.5s linear infinite;
}
@keyframes shine-spin{to{--shine-angle:360deg}}
.shiny__inner{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  overflow:hidden;border-radius:999px;background:var(--bg);color:var(--fg);
  font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.2em;
  padding:16px 48px;text-transform:uppercase;white-space:nowrap;
  transition:background .2s ease;
}
.shiny:hover .shiny__inner{background:#f4f4f4}
.shiny__inner:after{
  content:"";position:absolute;inset:0;pointer-events:none;transform:translateX(-130%);
  background:linear-gradient(120deg,#0000 35%,#00000012 47%,#00000024 50%,#00000012 53%,#0000 65%);
  animation:glare 4.5s ease-in-out infinite;
}
@keyframes glare{0%,to{transform:translateX(-130%)}55%,65%{transform:translateX(130%)}}
html[lang="zh"] .shiny__inner{letter-spacing:.16em}

@media (prefers-reduced-motion:reduce){
  .dot,.shiny,.shiny__inner:after{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:100;
  width:calc(100% - var(--gut)*2);max-width:1680px;
  display:flex;align-items:center;justify-content:space-between;
  padding:8px;border-radius:999px;border:1px solid #0000;background:#fff0;box-shadow:0 0 0 #0000;
  transition:max-width .46s cubic-bezier(.22,1,.36,1),background .36s ease,border-color .36s ease,box-shadow .36s ease,padding .36s ease;
}
.nav.stuck{
  max-width:var(--maxw);padding:8px 8px 8px 22px;
  background:#ffffffd1;-webkit-backdrop-filter:blur(28px) saturate(1.7);backdrop-filter:blur(28px) saturate(1.7);
  border-color:#00000021;box-shadow:0 10px 34px #0000000f,0 2px 6px #0000000a;
}
.nav .brand{display:flex;align-items:center;padding-left:12px}
.brand-logo{display:block;height:19px;width:auto}
.brand-logo--symbol{display:none}
.nav .right{display:flex;align-items:center;gap:28px}
.nav .links{display:flex;align-items:center;gap:28px}
.nav .links a{
  color:var(--fg-2);font-family:var(--mono);font-size:var(--t-nav);font-weight:500;
  letter-spacing:.3px;transition:color .22s ease;
}
.nav .links a:hover{color:var(--fg)}

.lang{display:inline-flex;align-items:center;gap:9px;flex:none}
.lang__sep{width:1px;height:12px;background:var(--line-2)}
.lang__btn{
  background:none;border:0;padding:0;cursor:pointer;
  color:var(--fg-3);font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;
  transition:color .2s ease;
}
.lang__btn:nth-of-type(2){font-family:var(--cjk);letter-spacing:.04em}
.lang__btn:hover{color:var(--fg-2)}
.lang__btn.is-active{color:var(--fg);font-weight:600}

.nav .launch{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line);background:#00000008;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;white-space:nowrap;color:var(--fg);
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.nav .launch:hover,.nav.stuck .launch{background:var(--fg);border-color:var(--fg);color:var(--bg)}
.nav.stuck .launch:hover{background:#000000d9;border-color:#000000d9}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 12px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:#00000008;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.nav-toggle span{display:block;width:100%;height:1.5px;background:var(--fg);transition:transform .24s ease,opacity .2s ease}
.nav.open .nav-toggle span:first-child{transform:translateY(6.5px) rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

@media (max-width:860px){
  .nav-toggle{display:flex}
  .nav .links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);display:none;
    flex-direction:column;align-items:stretch;gap:4px;padding:8px;
    background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px #00000024;
  }
  .nav.open .links{display:flex}
  .nav .links a{padding:13px 16px;border-radius:12px}
  .nav .links a:hover{background:#00000008}
  .nav .right{gap:14px}
}
@media (max-width:600px){
  .nav .right{gap:10px}
  .nav .brand{padding-left:0;position:relative;height:19px;width:135px;overflow:hidden;
    transition:width .38s cubic-bezier(.22,1,.36,1)}
  .nav .brand .brand-logo{position:absolute;left:0;top:0;transition:opacity .34s ease}
  .brand-logo--symbol{display:block;opacity:0}
  .nav.stuck .brand{width:20px}
  .nav.stuck .brand-logo--full{opacity:0}
  .nav.stuck .brand-logo--symbol{opacity:1}
  .nav .launch{display:none}
  .nav.stuck .launch{display:inline-flex;height:38px;font-size:11px;padding:0 16px;
    animation:nav-launch-in .38s cubic-bezier(.22,1,.36,1) both}
}
@keyframes nav-launch-in{0%{opacity:0;transform:translateX(12px) scale(.85)}to{opacity:1;transform:none}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;overflow:hidden;text-align:center}
#hero-dots{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
#hero-dots canvas{display:block}
.hero:after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 55% 48% at 50% 50%,#ffffffbf,#0000 70%),
    linear-gradient(180deg,#ffffff8c 0,#0000 26%,#0000 58%,#fff 97%);
}
.hero__text{position:absolute;left:50%;top:35%;transform:translate(-50%,-50%);width:100%;padding:0 var(--gut);z-index:1}
.status{
  display:inline-flex;align-items:center;gap:12px;margin-bottom:48px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-2);
}
html[lang="zh"] .status{letter-spacing:.08em}
.hero h1{
  margin:0;font-family:var(--mono);font-size:var(--t-display);font-weight:500;
  letter-spacing:-.04em;line-height:1.08;white-space:nowrap;color:var(--fg);
}
@media (max-width:640px){.hero h1{white-space:normal}}
.rotw{display:inline-block;position:relative;overflow:hidden;line-height:1;vertical-align:bottom;
  transition:width .55s cubic-bezier(.22,1,.36,1)}
@media (prefers-reduced-motion:reduce){.rotw{transition:none}}
.rotw__sizer{display:block;visibility:hidden}
.rotw__word{position:absolute;left:0;top:0;white-space:nowrap;color:var(--fg);
  transition:transform .66s cubic-bezier(.34,1.45,.5,1),opacity .5s ease}
.hero .sub{
  margin:28px 0 0;font-family:var(--mono);font-size:clamp(18px,2.2vw,26px);
  font-weight:400;letter-spacing:.01em;line-height:1.4;color:var(--fg-2);
}
.hero .actions{
  position:absolute;left:50%;top:54.5%;transform:translate(-50%,-50%);z-index:1;
  display:flex;flex-wrap:wrap;gap:22px;justify-content:center;
}
@media (max-height:480px){
  .hero{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:88px var(--gut) 40px}
  .hero__text,.hero .actions{position:static;transform:none;left:auto;top:auto}
  .hero .actions{margin-top:28px}
}

/* ---------- connected networks ---------- */
.trusted{border-top:1px solid var(--line);padding:120px 0}
.trusted .lab{
  margin:0 0 48px;text-align:center;font-family:var(--mono);font-size:11px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--fg-3);
}
.marquee{
  position:relative;width:100%;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,#0000,#000 12%,#000 88%,#0000);
  mask-image:linear-gradient(90deg,#0000,#000 12%,#000 88%,#0000);
}
.marquee__track{display:flex;align-items:center;gap:64px;width:max-content;animation:marquee 46s linear infinite}
.marquee__track span{
  flex:none;font-family:var(--mono);font-size:15px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fg-4);white-space:nowrap;transition:color .22s ease;
}
.marquee__track span:hover{color:var(--fg)}
@media (hover:hover){.marquee:hover .marquee__track{animation-play-state:paused}}
@keyframes marquee{0%{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none;flex-wrap:wrap;justify-content:center}}

/* ---------- section chrome ---------- */
.sect{padding:120px 0}
.sect-line{border-top:1px solid var(--line)}
.sect-head{display:flex;flex-direction:column;align-items:center;gap:20px;margin-bottom:48px;text-align:center}
.sect-h2{margin:0;font-family:var(--mono);font-size:var(--t-h2);font-weight:500;letter-spacing:-.03em;line-height:1.1;max-width:24ch;color:var(--fg)}
.section-k{
  margin:0;display:flex;align-items:center;justify-content:center;gap:12px;
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--fg-3);
}
.arch-title{
  margin:0;text-align:center;font-family:var(--mono);font-size:clamp(24px,3vw,40px);
  font-weight:600;letter-spacing:-.02em;line-height:1.1;color:var(--fg);
}

/* ---------- protocol / tabs ---------- */
.b2b-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,560px);gap:64px;align-items:stretch;margin-top:48px}
.b2b-scheme{display:grid}
.b2b-visual{grid-area:1/1;display:flex;opacity:0;visibility:hidden;transition:opacity .32s ease}
.b2b-visual.is-active{opacity:1;visibility:visible}
.b2b-visual img{display:block;width:100%;height:100%;object-fit:contain}
.b2b-content{display:grid;grid-template-columns:minmax(0,1fr)}
.b2b-tabs{grid-row:1;display:flex;gap:32px;border-bottom:1px solid var(--line)}
.b2b-tab{
  background:none;border:0;border-bottom:1px solid #0000;margin-bottom:-1px;padding:0 2px 14px;cursor:pointer;
  font-family:var(--mono);font-size:20px;font-weight:600;letter-spacing:-.01em;color:var(--fg-3);
  transition:color .2s ease,border-color .2s ease;
}
.b2b-tab:hover{color:var(--fg-2)}
.b2b-tab.is-active{color:var(--fg);border-bottom-color:var(--fg)}
.b2b-panel{grid-column:1;grid-row:2;visibility:hidden}
.b2b-panel.is-active{visibility:visible}
.b2b-block{padding:24px 0}
.b2b-block h3{margin:0 0 10px;font-family:var(--mono);font-size:var(--t-h3);font-weight:500;letter-spacing:-.02em;color:var(--fg)}
.b2b-block p{margin:0;font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--fg-2)}
html[lang="zh"] .b2b-block p{line-height:1.85}

.b2b-trust{
  display:grid;grid-template-columns:repeat(3,1fr);max-width:980px;margin:64px auto 0;
  padding-top:48px;border-top:1px solid var(--line);
}
.b2b-trust__col{display:flex;flex-direction:column;align-items:center;text-align:center;padding:8px 24px}
.b2b-trust__col+.b2b-trust__col{border-left:1px solid var(--line)}
.b2b-trust__col h3{margin:0;font-family:var(--mono);font-size:17px;font-weight:600;letter-spacing:-.01em;line-height:24px;color:var(--fg);white-space:nowrap}
.b2b-trust__col p{margin:6px 0 26px;font-family:var(--mono);font-size:12px;line-height:19px;color:var(--fg-2)}
.b2b-trust__chips{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:26px;height:38px}
.b2b-chip{
  display:inline-flex;align-items:center;justify-content:center;height:38px;width:100px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
}
.b2b-chip--text{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--fg-3)}

@media (max-width:900px){
  .b2b-grid{grid-template-columns:1fr;gap:40px}
  .b2b-scheme{max-width:440px;width:100%;margin:0 auto}
  .b2b-visual img{height:auto}
  .b2b-tabs{border-bottom:0;flex-wrap:wrap;gap:18px}
  .b2b-tab{font-size:17px;margin-bottom:0}
  .b2b-trust{grid-template-columns:1fr;gap:40px;padding-top:40px}
  .b2b-trust__col+.b2b-trust__col{border-left:0;border-top:1px solid var(--line);padding-top:40px}
}

/* ---------- terminal / flagship ---------- */
.flagship{padding:0}
.flagship-runway{position:relative;height:190vh}
.flagship-sticky{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.flagship .head2{
  margin:0 auto 48px;padding:0 var(--gut);text-align:center;white-space:nowrap;color:var(--fg);
  font-family:var(--mono);font-size:clamp(24px,3vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.1;
}
.flagship .col{max-width:var(--maxw)}
.flagship-grid{display:grid;grid-template-columns:minmax(230px,1fr) minmax(0,900px) minmax(230px,1fr);gap:48px;align-items:center}
.feat-col{display:flex;flex-direction:column;gap:64px}
.feat{display:flex;flex-direction:column;gap:12px;max-width:34ch;will-change:opacity,transform}
.feat .ic{display:grid;place-items:center;width:64px;height:64px;margin-bottom:10px;color:var(--fg-3)}
.feat .ic img{display:block;width:64px;height:64px;object-fit:contain}
.feat h3{margin:0;font-family:var(--mono);font-size:var(--t-h3);font-weight:500;letter-spacing:-.02em;color:var(--fg)}
.feat p{margin:0;font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--fg-2)}
.feat-col.right .feat{margin-left:auto;text-align:left}

.device{
  position:relative;padding:10px;border-radius:26px;overflow:hidden;
  background:var(--panel);border:4px solid #e4e4e4;
  box-shadow:0 9px 20px #0000000f,0 37px 37px #0000000d,0 84px 50px #00000008,0 149px 60px #00000005;
  transform:perspective(1300px) rotateX(var(--rot,0deg)) scale(var(--sc,1));
  transform-origin:center center;backface-visibility:hidden;will-change:transform;
}
.device:before{
  content:"";position:absolute;inset:-30% -10%;z-index:-1;filter:blur(40px);
  background:radial-gradient(60% 50% at 50% 50%,#0000001a,#0000 70%);
}

@media (max-width:1000px){
  .flagship-runway{height:auto}
  .flagship-sticky{position:static;height:auto;gap:0;padding:96px 0}
  .flagship-grid{grid-template-columns:1fr;gap:56px}
  .device{order:-1;transform:none!important}
  .feat-col{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:40px}
  .feat{flex:1 1 240px;align-items:center;text-align:center}
  .feat-col.right .feat{margin-left:0;text-align:center}
  .feat .ic{margin-left:auto;margin-right:auto}
  .flagship .head2{white-space:normal;max-width:22ch;margin-bottom:40px}
}

/* ---------- device screen (live mock) ---------- */
.scr{border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line);font-family:var(--mono);color:var(--fg)}
.scr__bar{display:flex;align-items:center;gap:22px;padding:12px 16px;border-bottom:1px solid var(--line)}
.scr__logo{height:11px;width:auto;opacity:.9}
.scr__nav{display:flex;gap:16px;font-size:9px;color:var(--fg-3);letter-spacing:.04em}
.scr__nav b{color:var(--fg);font-weight:500}
.scr__conn{margin-left:auto;font-size:8.5px;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.scr__stats{display:flex;gap:8px;padding:12px 16px 0}
.scr__stat{flex:0 0 auto;border:1px solid var(--line);border-radius:9px;padding:8px 14px}
.scr__stat i{display:block;font-style:normal;font-size:8px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-3)}
.scr__stat b{display:block;font-size:13px;font-weight:600;margin-top:3px}
.scr__act{margin-left:auto;display:flex;gap:8px;align-items:center}
.scr__pill{border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:9px;letter-spacing:.06em;background:var(--panel)}
.scr__pill--solid{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.scr__ticker{display:flex;gap:6px;padding:12px 16px;overflow:hidden}
.scr__tick{flex:none;display:flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:6px;padding:5px 9px;font-size:8.5px;background:var(--panel)}
.scr__tick u{text-decoration:none;font-weight:600}
.scr__tick s{text-decoration:none;color:var(--fg-3)}
.scr__tick em{font-style:normal;color:var(--accent-ink);font-weight:600}
.scr__tick em.dn{color:#0009}
.scr table{width:100%;border-collapse:collapse;font-size:9px}
.scr thead th{
  text-align:left;font-weight:400;color:var(--fg-3);letter-spacing:.06em;text-transform:uppercase;
  padding:9px 16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel);font-size:8px;
}
.scr tbody td{padding:9px 16px;border-bottom:1px solid #00000010;vertical-align:middle;white-space:nowrap}
.scr tbody tr:last-child td{border-bottom:0}
.scr .tk{display:flex;align-items:center;gap:8px}
.scr .tk i{width:16px;height:16px;border-radius:999px;border:1px solid var(--line);background:var(--panel);flex:none}
.scr .tk b{font-weight:500;font-size:9.5px}
.scr .tk s{display:block;text-decoration:none;color:var(--fg-3);font-size:8px}
.scr .up{color:var(--accent-ink);font-weight:600}
.scr .dn{color:#00000073;font-weight:600}
.scr .spark{display:block}
@media (max-width:620px){
  .scr__nav,.scr__act,.scr__ticker,.scr thead th:nth-child(n+4),.scr tbody td:nth-child(n+4){display:none}
  .scr__stats{padding-bottom:12px}
}

/* ---------- architecture ---------- */
.arch{position:relative;overflow:hidden}
.arch:before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(#00000014 1px,#0000 0);background-size:26px 26px;
  -webkit-mask-image:radial-gradient(ellipse 72% 66% at 50% 46%,#000,#0000 78%);
  mask-image:radial-gradient(ellipse 72% 66% at 50% 46%,#000,#0000 78%);
}
.arch .col{position:relative;z-index:1}
.arch-cols{display:grid;grid-template-columns:minmax(220px,1fr) minmax(320px,440px) minmax(220px,1fr);gap:40px;align-items:stretch;margin-top:40px}
.arch-col{position:relative}
.arch-col.left .arch-pillar{position:absolute;right:0;align-items:flex-end;text-align:right;transform:translateY(-50%)}
.arch-col.left .arch-pillar[data-pillar="0"]{top:37%}
.arch-col.left .arch-pillar[data-pillar="2"]{top:77%}
.arch-col.right .arch-pillar{position:absolute;left:0;top:57%;text-align:left;transform:translateY(-50%)}
.arch-center{display:flex;justify-content:center;position:relative}
.arch-pillar{display:flex;flex-direction:column;max-width:34ch;transition:opacity .3s ease}
.arch-pillar.is-dim{opacity:.3}
.arch-pillar__title{margin:0 0 12px;font-family:var(--mono);font-size:20px;font-weight:600;letter-spacing:-.01em;color:var(--fg)}
.arch-pillar__body{margin:0;font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--fg-2)}

.arch-stack{position:relative;width:340px;height:660px}
.arch-stack__coin{position:absolute;left:50%;top:0;transform:translateX(-50%);width:290px;z-index:4;pointer-events:none}
.arch-stack__coin img{display:block;width:100%;height:auto}
.arch-stack__layer{
  position:absolute;left:50%;transform:translateX(-50%);width:300px;height:150px;
  opacity:.62;transition:opacity .3s ease;-webkit-user-select:none;user-select:none;
  filter:drop-shadow(0 12px 16px #0000000d);
}
.arch-stack__layer--1{top:130px;z-index:3}
.arch-stack__layer--2{top:260px;z-index:2}
.arch-stack__layer--3{top:390px;z-index:1}
.arch-stack__layer.is-active{opacity:1}
.arch-stack__layer.is-dim{opacity:.3}
.slab{position:absolute;left:14.65%;top:0;width:70.7%;aspect-ratio:1;will-change:transform}
.slab i,.slab b{
  position:absolute;inset:0;display:block;border-radius:10px;
  transform:scaleY(.5) rotate(45deg);transform-origin:center;
}
.slab b{
  background:linear-gradient(145deg,#fff,#eff1f2 42%,#d8dcdf);
  border:1px solid #00000040;box-shadow:0 1px 0 #fff inset,0 0 0 1px #ffffff8a inset;
}
.slab i{
  translate:0 9px;background:linear-gradient(145deg,#e2e6e8,#cbd0d3);
  border:1px solid #00000030;
}
.arch-stack__hit{position:absolute;inset:0;cursor:pointer;pointer-events:auto;
  clip-path:polygon(50% 3%,100% 50%,50% 97%,0 50%);-webkit-tap-highlight-color:transparent}

.arch-mobile{display:flex;flex-direction:column;align-items:center;margin-top:28px;touch-action:pan-y}
.arch-mobile .arch-stack{width:300px;height:560px}
.arch-mobile .arch-stack__layer{width:264px;height:132px}
.arch-mobile .arch-stack__layer--1{top:100px}
.arch-mobile .arch-stack__layer--2{top:214px}
.arch-mobile .arch-stack__layer--3{top:328px}
.arch-mobile .arch-stack__coin{width:244px}
.arch-mobile__text{width:100%;max-width:460px;min-height:156px;text-align:center}
.arch-mobile__text .arch-pillar{align-items:center;max-width:none;margin:0 auto}
.arch-controls{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:20px}
.arch-arrow{
  display:grid;place-items:center;width:44px;height:44px;padding:0;border-radius:999px;cursor:pointer;
  background:var(--surface);border:1px solid var(--line-2);color:var(--fg);
  transition:background .2s ease,border-color .2s ease;
}
.arch-arrow:hover{background:#00000014;border-color:var(--fg-3)}
.arch-arrow:disabled{opacity:.3;cursor:default}
.arch-arrow svg{display:block;width:16px;height:16px}
.arch-dots{display:flex;gap:12px}
.arch-dot{
  width:41px;height:41px;padding:16px;border:0;border-radius:999px;cursor:pointer;
  background:var(--line-2);background-clip:content-box;transition:background .2s ease,transform .2s ease;
}
.arch-dot.is-active{background:var(--fg);background-clip:content-box;transform:scale(1.2)}
@media (prefers-reduced-motion:reduce){.arch-dot,.arch-pillar,.arch-stack__layer{transition:none}}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:20px;align-items:stretch}
.news-intro{display:flex;flex-direction:column;padding:48px 32px;background:var(--panel);border:1px solid var(--line)}
.news-intro .section-k{justify-content:flex-start;margin-bottom:18px}
.news-intro .section-k:before{content:"";width:22px;height:1px;background:var(--line-2)}
.news-intro .sect-h2{text-align:left;margin:0;font-size:clamp(24px,3vw,40px);font-weight:600;letter-spacing:-.02em}
.news-sub{margin:16px 0 0;font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--fg-2)}
.news-controls{display:flex;gap:12px;margin-top:auto;padding-top:32px}
.news-rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.news-rail::-webkit-scrollbar{display:none}
.news-rail.has-more{
  -webkit-mask-image:linear-gradient(90deg,#000,#000 calc(100% - 48px),#0000);
  mask-image:linear-gradient(90deg,#000,#000 calc(100% - 48px),#0000);
}
.news-card{
  flex:0 0 320px;display:flex;flex-direction:column;scroll-snap-align:start;
  background:var(--bg);border:1px solid var(--line);
  transition:transform .2s cubic-bezier(.22,1,.36,1),border-color .2s ease;
}
.news-card:hover{border-color:var(--line-2);transform:translateY(-1px)}
.news-card__img{display:block;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--panel)}
.news-card__img img{display:block;width:100%;height:100%;object-fit:cover;opacity:.94;transition:opacity .32s ease}
.news-card:hover .news-card__img img{opacity:1}
.news-card__body{flex:1 1;display:flex;flex-direction:column;gap:18px;padding:20px}
.news-card__title{font-family:var(--mono);font-size:15px;font-weight:500;letter-spacing:-.01em;line-height:1.45;color:var(--fg)}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;color:var(--fg-2)}
.news-card:hover .news-card__meta{color:var(--fg)}
.news-card__date{font-family:var(--mono);font-size:11px;letter-spacing:.04em}
.news-card__meta svg{width:11px;height:11px}
@media (max-width:900px){
  .news-grid{grid-template-columns:1fr}
  .news-intro{padding:32px 24px}
  .news-card{flex-basis:280px}
}

/* ---------- end cta ---------- */
.endcta{padding:120px 0;text-align:center}
.endcta-h{margin:0 0 48px;font-family:var(--mono);font-size:clamp(24px,3vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.15;color:var(--fg)}
.endcta-actions{display:flex;justify-content:center}

/* ---------- footer ---------- */
.footer2{position:relative;overflow:hidden;padding-top:120px;border-top:1px solid var(--line)}
.footer2-grid{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto auto;gap:48px}
.footer2-brand img{display:block;height:22px;width:auto}
.fcol{min-width:150px}
.fcol h4{margin:0 0 22px;font-family:var(--mono);font-size:15px;font-weight:500;letter-spacing:-.01em;color:var(--fg)}
.fcol a{
  display:block;margin-bottom:16px;font-family:var(--mono);font-size:13px;color:var(--fg-2);
  transition:color .2s ease,transform .2s cubic-bezier(.22,1,.36,1);
}
.fcol a:hover{color:var(--fg);transform:translateY(-1px)}
.fcol-subhead{display:block;margin:-4px 0 16px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--fg-3)}
.fcol-soon{display:block;margin-bottom:16px;font-family:var(--mono);font-size:13px;color:var(--fg-3);cursor:default}
.footer2-barwrap{margin-top:72px;border-top:1px solid var(--line)}
.footer2-bar{display:flex;align-items:flex-start;justify-content:space-between;padding-top:40px}
.footer2-bar-left{display:flex;flex-direction:column;gap:20px}
.flinks2{display:flex;flex-wrap:wrap;gap:28px}
.flinks2 a{font-family:var(--mono);font-size:13px;color:var(--fg-2);transition:color .2s ease}
.flinks2 a:hover{color:var(--fg)}
.footer2-copy{display:block;font-family:var(--mono);font-size:12px;color:var(--fg-3)}
.footer-social{display:flex;align-items:center;gap:16px}
.footer-social a{display:inline-flex;color:var(--fg-2);transition:color .16s ease}
.footer-social a:hover{color:var(--fg)}
.footer-social svg{width:20px;height:20px}
.footer2-mark{margin-top:88px;pointer-events:none}
.footer2-mark img{display:block;width:97%;margin:0 auto -1%;opacity:.08;transform:translateY(7%)}
@media (max-width:900px){
  .footer2-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer2-brand{grid-column:1/-1}
  .footer2-bar{flex-direction:column;gap:28px;margin-top:48px}
  .footer2-mark{margin-top:56px}
  .footer2-mark img{width:100%;margin-left:auto;transform:translateY(6%)}
}

@media (max-width:600px){
  :root{--gut:20px}
  .trusted{padding:72px 0}
  .trusted .lab{margin-bottom:32px}
  .sect{padding:72px 0}
  .sect-head{margin-bottom:32px}
  .flagship-sticky{padding:76px 0}
  .feat-col{gap:32px}
  .endcta{padding:72px 0}
  .footer2{padding-top:72px}
  .feat p,.arch-pillar__body,.b2b-block p{font-size:14px}
}