:root{--bg:#FAF9F6;--card:#fff;--line:#EEEBE4;--fg:#0F172A;--mu:#64748B;--ac:#D97706;--ac2:#FBBF24;--acs:#FEF3C7;--warn:#B45309;--bad:#BE123C;--r:20px;--sh:0 1px 2px rgba(15,23,42,.04),0 8px 28px rgba(15,23,42,.06)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;color:var(--fg);font:16px/1.55 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:radial-gradient(1200px 500px at 85% -10%,#FEF3C7 0,transparent 60%),var(--bg);min-height:100vh}
.wrap{max-width:640px;margin:0 auto;padding:0 20px}
.hdr{display:flex;justify-content:space-between;align-items:center;height:76px}
.brand{display:flex;gap:10px;align-items:center;font-weight:750;font-size:19px;letter-spacing:-.3px}.brand img{border-radius:9px}
.net{font-size:11px;font-weight:600;color:var(--ac);background:var(--acs);padding:3px 9px;border-radius:99px}
.btn{font:inherit;font-weight:650;background:var(--fg);color:#fff;border:0;border-radius:14px;padding:10px 18px;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s,opacity .2s}
.btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 18px rgba(15,23,42,.15)}.btn:active:not(:disabled){transform:translateY(0) scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}.btn.sm{padding:6px 12px;font-size:14px;border-radius:11px}
.btn.big{width:100%;margin-top:18px;padding:17px;font-size:18px;border-radius:16px;background:linear-gradient(135deg,var(--ac2),var(--ac));box-shadow:0 8px 24px rgba(217,119,6,.28)}
.btn.big:hover:not(:disabled){box-shadow:0 12px 30px rgba(217,119,6,.36)}.btn.busy{animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.75}}
.hero{padding:36px 0 28px}.hero h1{font-size:clamp(32px,7vw,44px);line-height:1.1;letter-spacing:-1.2px;margin:0 0 12px}.hero p{color:var(--mu);margin:0;max-width:30em;font-size:17px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:18px;box-shadow:var(--sh);animation:rise .35s ease both}
.card h2{margin:0;font-size:17px;letter-spacing:-.2px}.row{display:flex;align-items:center}.between{justify-content:space-between}.muted{color:var(--mu)}
#status{margin-top:8px;font-size:15px}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.skel{display:grid;gap:10px;margin-top:16px}.skel div{height:62px;border-radius:14px;background:linear-gradient(90deg,#F5F3EE 0,#ECE8DF 40%,#F5F3EE 80%);background-size:300% 100%;animation:shim 1.2s linear infinite}
@keyframes shim{from{background-position:100% 0}to{background-position:-100% 0}}
.list{display:grid;gap:10px;margin-top:16px}
.tok{display:flex;align-items:center;gap:14px;padding:14px;border:1px solid var(--line);border-radius:16px;cursor:pointer;transition:border-color .2s,background .2s,box-shadow .2s;animation:rise .4s ease both;user-select:none}
.tok:hover{border-color:#F3DFB0}.tok.on{border-color:var(--ac2);background:#FFFBEB;box-shadow:0 0 0 3px rgba(251,191,36,.12)}.tok.off{cursor:default;opacity:.62}
.tok input{appearance:none;flex:none;width:24px;height:24px;margin:0;border:2px solid #CBD5E1;border-radius:8px;display:grid;place-items:center;transition:all .18s;cursor:pointer;background:#fff}
.tok input::after{content:"";width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);transition:transform .18s cubic-bezier(.3,1.6,.6,1);margin-top:-2px}
.tok input:checked{background:var(--ac);border-color:var(--ac)}.tok input:checked::after{transform:rotate(45deg) scale(1)}.tok input:disabled{background:#F1F5F9;cursor:not-allowed}
.av{flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:700;font-size:14px;color:var(--ac);background:var(--acs)}
.meta{flex:1;min-width:0}.sym{font-weight:650}.sub{font-size:13px;color:var(--mu);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.val{text-align:right;flex:none}.val b{display:block;font-weight:650;font-variant-numeric:tabular-nums}.val span{font-size:13px;color:var(--mu);font-variant-numeric:tabular-nums}
.tag{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 8px;border-radius:99px;margin-top:4px}.tag.ok{background:#ECFDF5;color:#047857}.tag.warn{background:#FFF7ED;color:var(--warn)}.tag.bad{background:#FFF1F2;color:var(--bad)}.tag.route{background:#F1F5F9;color:#475569}
.total{display:flex;flex-direction:column;align-items:center;text-align:center;padding:6px 0 2px}.total b{font-size:clamp(30px,8vw,40px);letter-spacing:-1px;font-variant-numeric:tabular-nums;transition:color .2s}.total small{font-size:13px}
.more{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}.more summary{cursor:pointer;color:var(--mu);font-size:14px;list-style:none;text-align:center}.more summary::after{content:" ▾"}.more[open] summary::after{content:" ▴"}
.kv{display:flex;justify-content:space-between;align-items:center;padding:7px 0;font-size:15px}.kv.big{font-size:17px;font-weight:650}
input[type=number]{width:68px;font:inherit;padding:4px 8px;border:1px solid var(--line);border-radius:9px;text-align:right}
.err{color:var(--bad);font-size:14px;margin-top:10px;text-align:center}.ok{color:#047857}.bad{color:var(--bad)}.warn{color:var(--warn)}
.result{border-color:#FDE68A;background:linear-gradient(180deg,#FFFBEB,#fff)}
a{color:var(--ac);text-decoration:none}a:hover{text-decoration:underline}
.foot{font-size:13px;padding:8px 4px 48px;text-align:center}
@media (max-width:480px){.wrap{padding:0 16px}.card{padding:18px;border-radius:18px}.hero{padding:20px 0 22px}.hide-m{display:none}.tok{gap:11px;padding:12px}.av{width:34px;height:34px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
[hidden]{display:none!important}

/* v4: 3D background */
.hdr,main{position:relative;z-index:1}
.bg3d{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.bg3d .glow{position:absolute;width:780px;height:780px;right:-200px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(251,191,36,.30),rgba(251,191,36,0) 65%)}
.logo3d{position:absolute;width:min(46vw,560px);height:auto;right:max(-4vw,calc(50% - 760px));top:70px;filter:drop-shadow(0 40px 50px rgba(17,24,39,.28));animation:float 7s ease-in-out infinite;opacity:.97}
@keyframes float{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-18px) rotate(-2deg)}}
.coin{position:absolute;border-radius:50%;background:radial-gradient(circle at 32% 28%,#FFF3C4 0,#FBBF24 34%,#D97706 78%,#92400E 100%);box-shadow:inset 0 0 0 6px rgba(146,64,14,.18),0 14px 24px rgba(17,24,39,.18);animation:float 6s ease-in-out infinite}
.coin::after{content:"";position:absolute;inset:28%;border-radius:50%;border:3px solid rgba(17,24,39,.55)}
.c1{width:64px;height:64px;left:6vw;top:58vh;animation-delay:-2s}
.c2{width:38px;height:38px;right:30vw;top:72vh;animation-delay:-4s}
.c3{width:26px;height:26px;left:18vw;top:16vh;animation-delay:-1s}
.card{background:rgba(255,255,255,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
@media (max-width:1100px){.logo3d{width:300px;right:-60px;top:60px;opacity:.9}.bg3d .glow{width:520px;height:520px;right:-180px;top:-120px}}
@media (max-width:640px){.logo3d{width:190px;right:-38px;top:96px;opacity:.85}.c1{width:40px;height:40px;left:-10px;top:80vh}.c2{display:none}.c3{left:auto;right:150px;top:84px;width:20px;height:20px}.hero h1,.hero p{max-width:68%}}
.logo3d{width:440px;right:calc(50% - 800px);top:90px}
.card{background:rgba(255,255,255,.94)}
@media (max-width:1400px){.logo3d{width:340px;right:-70px;top:80px}}
@media (max-width:1100px){.logo3d{width:280px;right:-90px;top:70px;opacity:.85}}
@media (max-width:640px){.logo3d{width:150px;right:-28px;top:88px;opacity:.95}.hero h1,.hero p{max-width:64%}.c3{right:118px;top:80px}}

/* v5: sections */
.sec{margin:46px 0}.st{font-size:22px;letter-spacing:-.4px;margin:0 0 16px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.step,.wi{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--sh)}
.step b,.wi b{display:block;font-size:15px}.step p,.wi p{margin:4px 0 0;font-size:14px;color:var(--mu)}
.ic{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--acs);margin-bottom:10px}
.ic svg{width:22px;height:22px;fill:none;stroke:var(--ac);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.demo{position:relative;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:18px;padding:44px 22px 20px}
.dlist{width:100%;max-width:420px;justify-self:stretch}.drow{width:100%;box-sizing:border-box;transform-origin:center}.drow span{min-width:60px}.drow small{text-align:right;font-variant-numeric:tabular-nums}.arrow,.eth{align-self:center;justify-self:center}.eth{flex:none}.ex{line-height:1.4;z-index:2}
.ex{position:absolute;top:12px;right:14px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:#111827;color:#FBBF24;padding:3px 9px;border-radius:99px}
.dlist{display:grid;gap:8px}.drow{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:12px;font-weight:600;font-size:14px;background:#fff;animation:sweep 4.5s ease-in-out infinite}
.drow .av{width:28px;height:28px;font-size:11px;font-style:normal;border-radius:9px}.drow small{margin-left:auto;color:var(--mu);font-weight:500}
.d2,.d3{animation-delay:0s}
@keyframes sweep{0%,20%{opacity:1;transform:none}55%{opacity:0;transform:translateX(40px)}56%{opacity:0;transform:translateX(-12px)}80%,100%{opacity:1;transform:none}}
.arrow{font-size:22px;color:var(--ac)}
.eth{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 32% 28%,#FFF3C4 0,#FBBF24 34%,#D97706 78%,#92400E 100%);box-shadow:0 12px 24px rgba(17,24,39,.2);animation:pop 4.5s ease-in-out infinite}
.eth span{font-size:30px;font-weight:800;color:#111827}
@keyframes pop{0%,45%{transform:scale(1)}60%{transform:scale(1.08)}75%,100%{transform:scale(1)}}
.cap{grid-column:1/-1;margin:0;font-size:12.5px;text-align:center}
.why{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:16px;padding:0 18px;margin-bottom:10px}
.faq summary{cursor:pointer;list-style:none;font-weight:650;padding:15px 0;display:flex;justify-content:space-between}.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--ac);font-size:20px;line-height:1;transition:transform .2s}.faq[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 15px;color:var(--mu);font-size:15px}
.ftr{position:relative;z-index:1;border-top:1px solid var(--line);background:rgba(250,249,246,.9);margin-top:30px}
.fin{display:flex;justify-content:space-between;align-items:center;padding:22px 20px 34px;flex-wrap:wrap;gap:12px}.fl{display:flex;gap:18px;font-size:14px;align-items:center}.fl a{font-weight:700;color:#111827}
@media (max-width:640px){.steps{grid-template-columns:1fr}.why{grid-template-columns:1fr}.demo{grid-template-columns:1fr auto;gap:12px}.arrow{display:none}.eth{width:56px;height:56px}.eth span{font-size:24px}}

.hist{padding:8px 0 0;overflow:hidden}
.hhead,.hrow{display:grid;grid-template-columns:2fr .7fr 1.3fr 1fr;gap:12px;align-items:center;padding:12px 20px}
.hhead{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#FBBF24;border-bottom:1px solid rgba(148,163,184,.18)}
.hrow{border-bottom:1px solid rgba(148,163,184,.1);font-variant-numeric:tabular-nums}.hrow:last-child{border-bottom:0}
.hw{display:flex;flex-direction:column;gap:2px;min-width:0}.hw b{font-family:ui-monospace,Menlo,monospace;font-weight:600}.hw small{font-size:12px}.hw a{color:#FBBF24;text-decoration:none}
.he{color:#FBBF24;font-weight:700}.hm{color:#94A3B8;font-size:13px}
.hempty{padding:28px 20px;text-align:center;margin:0}
.pager{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center;padding:14px 16px 18px;border-top:1px solid rgba(148,163,184,.18)}.pager:empty{display:none}
.pager button{min-width:36px;height:36px;border-radius:10px;border:1px solid rgba(148,163,184,.3);background:transparent;color:inherit;font:inherit;font-weight:600;cursor:pointer}
.pager button.on{background:#FBBF24;color:#0B1530;border-color:#FBBF24}.pager button:disabled{opacity:.35;cursor:default}.pager .cnt{margin-left:8px;font-size:13px}.pager .gap{opacity:.6}
@media (max-width:640px){.hhead{display:none}.hrow{grid-template-columns:1fr auto;gap:4px 12px;padding:12px 16px}.hw{grid-column:1}.he{grid-column:2;grid-row:1;text-align:right}.ht{grid-column:1;font-size:13px;color:#94A3B8}.hm{grid-column:2;grid-row:2;text-align:right}}
.ht .tl{display:none;font-style:normal}.ht .sk{font-style:normal;font-size:12px;color:#94A3B8}
@media (max-width:640px){.ht .tl{display:inline}}

.soon{position:relative;z-index:50;text-align:center;padding:10px 16px;background:#f5a524;color:#0b1430;font-weight:600;font-size:14px}
#connect:disabled{opacity:.7;cursor:not-allowed}
#connect{white-space:nowrap}