/* TokenMaster design system — light, enterprise, diagram-led */
:root{
  --bg:#f2f5f9; --panel:#ffffff; --soft:#f7f9fc; --line:#e2e8f0; --line2:#cbd5e1;
  --text:#0f1b2d; --muted:#53627a; --dim:#8a97ab;
  --blue:#2a66f0; --blue-d:#1d52d0; --blue-50:#eaf2fd; --blue-100:#d5e6fb;
  --orange:#ee8a1a; --orange-d:#d77808; --orange-50:#fff4e6;
  --green:#16a34a; --green-50:#e9f8ef; --violet:#6d4aff; --violet-50:#f1edff; --red:#dc2626; --cyan:#0891b2;
  --r:14px; --r-sm:10px;
  --shadow:0 1px 2px rgba(15,27,45,.04),0 4px 16px rgba(15,27,45,.05);
  --shadow-lg:0 2px 6px rgba(15,27,45,.05),0 18px 48px rgba(15,27,45,.09);
  --font:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  color-scheme:light;
}
/* ---------- theme tokens (light defaults; dark below) ---------- */
:root{
  --card:#fff; --card-2:#fafcff; --card-3:#f1f5fb;
  --tint-o:#fff8ec; --tint-b:#eef5fe; --tint-g:#ecf9f1;
  --bd-o:#f6d7a7; --bd-b:#c5d5f2; --bd-g:#bfe8cf; --bd-v:#ddd3ff; --bd-r:#f3c3c3;
  --label:#4b6a9b; --muted-2:#6d7fa0; --dim-2:#93a3bb;
  --blue-ink:#1e4f8f; --orange-ink:#b45309; --green-ink:#166534;
  --nav-bg:rgba(255,255,255,.92); --glass:rgba(255,255,255,.58); --glass-2:rgba(255,255,255,.82);
  --wire:#b9cdf3; --wire-2:#7d9bd0; --doc-p:#34445c;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)} .muted{color:var(--muted)} .dim{color:var(--dim)} .tnum{font-variant-numeric:tabular-nums}
.blue{color:var(--blue)} .grad-text{color:var(--blue)}

/* ---------- nav ---------- */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--nav-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:26px;height:62px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--text)}
.brand img{width:30px;height:30px}
.brand b{color:var(--blue);font-weight:800}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;padding:7px 11px;border-radius:8px;font-weight:500}
.nav-links a svg{width:15px;height:15px;stroke:currentColor}
.nav-links a:hover{color:var(--text);background:var(--soft)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-links + .nav-right{margin-left:12px}
.lang{display:flex;border:1px solid var(--line);border-radius:9px;padding:3px;background:var(--soft)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line2);background:var(--card);padding:9px 17px;border-radius:9px;font-weight:600;font-size:14px;cursor:pointer;transition:background .15s,border-color .15s,box-shadow .15s,transform .1s;white-space:nowrap;color:var(--text)}
.btn:hover{border-color:var(--dim);box-shadow:var(--shadow)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 1px 2px rgba(31,111,209,.3),0 6px 16px -6px rgba(31,111,209,.55)}
.btn.primary:hover{background:var(--blue-d);border-color:var(--blue-d)}
.btn.accent{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:0 6px 16px -6px rgba(238,138,26,.6)}
.btn.accent:hover{background:var(--orange-d)}
.btn.lg{padding:12px 24px;font-size:15px;border-radius:10px}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.ghost{background:none;border-color:transparent;box-shadow:none}
.btn.danger{color:var(--red);border-color:var(--bd-r)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn svg{width:16px;height:16px;stroke:currentColor}

/* ---------- panels ---------- */
.panelx{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.label{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}

/* ---------- hero ---------- */
.hero{padding:26px 0 18px}
.hero-card{position:relative;padding:40px 44px 34px;overflow:hidden}
.hero-card::before{content:"";position:absolute;inset:0;background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:20px 20px;mask-image:linear-gradient(180deg,#000,transparent 70%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 70%);opacity:.7;pointer-events:none}
.hero-top{position:relative;display:flex;justify-content:space-between;gap:24px;align-items:flex-start;flex-wrap:wrap}
h1.display{font-size:clamp(26px,3.2vw,36px);letter-spacing:-.02em;font-weight:800;line-height:1.25}
.hero-sub{color:var(--muted);margin-top:6px;font-size:15.5px;max-width:640px}
.promo{display:flex;align-items:center;gap:12px;padding:10px 12px 10px 10px;border:1px solid var(--line);border-radius:12px;background:var(--card);box-shadow:var(--shadow);font-size:13px}
.promo .big{background:var(--green-50);color:var(--green);font-weight:800;border-radius:8px;padding:6px 10px;font-size:15px;line-height:1.1;text-align:center}
.promo .big small{display:block;font-size:10px;font-weight:700;letter-spacing:.04em}
.promo b{display:block;font-size:13px}
.promo span{color:var(--dim);font-size:12px}

/* architecture diagram */
.arch{position:relative;display:grid;grid-template-columns:1fr 110px 1.25fr 110px 1fr;align-items:center;margin:34px 0 26px}
.node{border-radius:14px;padding:22px;text-align:center;border:1.5px solid;background:var(--card);position:relative}
.node h3{font-size:19px;letter-spacing:-.01em;margin-bottom:4px}
.node p{font-size:13.5px;color:var(--muted)}
.node.app{border-color:var(--bd-o);background:linear-gradient(180deg,var(--tint-o),var(--card))}
.node.app h3{color:var(--orange-ink)}
.node.core{border-color:var(--bd-b);background:linear-gradient(180deg,var(--tint-b),var(--card));box-shadow:0 18px 40px -18px rgba(31,111,209,.45);padding:26px 22px}
.node.core h3{color:var(--blue);font-size:22px}
.node.supply{border-color:var(--bd-g);background:linear-gradient(180deg,var(--tint-g),var(--card))}
.node.supply h3{color:var(--green)}
.node .chips{display:flex;gap:8px;justify-content:center;margin:12px 0 8px;flex-wrap:wrap}
.node .chips span{font-size:12px;font-weight:600;padding:5px 10px;border-radius:7px;border:1px solid var(--line);background:var(--card)}
.node .chips span.g{border-color:var(--bd-g);background:var(--green-50);color:var(--green-ink)}
.node .foot{font-size:12px;color:var(--blue);font-weight:600}
.node .vend{font-size:13px;color:var(--muted);line-height:1.9}
.node .vend b{color:var(--text);font-weight:600}
.node .ext{font-size:12px;color:var(--green);font-weight:600;margin-top:4px}
.flow{position:relative;height:40px}
.flow svg{width:100%;height:40px;overflow:visible}
.flow .dash{stroke-dasharray:6 6;animation:dash 1.2s linear infinite}
.flow .dash.rev{animation-direction:reverse}
@keyframes dash{to{stroke-dashoffset:-24}}
.hero-tag{position:relative;text-align:center;font-weight:700;font-size:17px;margin-bottom:16px}
.hero-cta{position:relative;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-note{position:relative;text-align:center;color:var(--dim);font-size:13px;margin-top:14px}

/* ---------- sections ---------- */
section.block{padding:22px 0}
.sec{padding:30px 34px}
.sec-h{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;flex-wrap:wrap}
h2.title{font-size:clamp(22px,2.4vw,28px);letter-spacing:-.02em;line-height:1.25;font-weight:800;margin-top:6px}
.sub{color:var(--muted);font-size:15px;max-width:720px;margin-top:4px}

/* why cards */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.wc{border:1px solid var(--line);border-radius:14px;background:var(--card);overflow:hidden;transition:box-shadow .2s,transform .2s}
.wc:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.wc .bar{height:4px}
.wc .in{padding:18px 20px 22px}
.wc .num{font-size:13px;font-weight:800;color:var(--dim)}
.wc .ill{height:96px;display:grid;place-items:center;margin:6px 0 10px;border-radius:10px;background:var(--soft)}
.wc .ill svg{width:150px;height:76px}
.wc h3{font-size:16.5px;margin-bottom:4px}
.wc p{color:var(--muted);font-size:13.5px}
.wc p.b{color:var(--text);font-weight:600;margin-top:8px;font-size:13.5px}

/* how-it-works */
.how{display:grid;grid-template-columns:200px 60px 1fr 60px 1fr 60px 230px;align-items:center;gap:0;padding:6px 0}
.hn{border:1.5px solid var(--line);border-radius:14px;padding:16px;background:var(--card);position:relative}
.hn .cap{font-size:11.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.hn h4{font-size:15px;margin-bottom:8px;display:flex;gap:8px;align-items:center}
.hn h4 i{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font-style:normal;font-size:13px;color:#fff}
.hn ul{list-style:none;display:grid;gap:5px;font-size:13px;color:var(--muted)}
.hn ul li::before{content:"✓ ";color:var(--green);font-weight:700}
.hn.app{border-color:var(--bd-o)}.hn.tm{border-color:var(--bd-b);background:var(--card-2)}.hn.cf{border-color:var(--bd-o);background:var(--tint-o)}
.prov{display:grid;gap:7px}
.prov div{display:flex;align-items:center;gap:9px;font-size:13px;padding:6px 10px;border:1px solid var(--line);border-radius:9px;background:var(--card)}
.prov i{width:9px;height:9px;border-radius:50%;flex:none}
.prov small{margin-left:auto;color:var(--dim);font-size:11.5px}
.arrow{height:24px}
.arrow svg{width:100%;height:24px;overflow:visible}

/* providers grid */
.vgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.vt{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);border-radius:11px;background:var(--card);cursor:pointer;transition:border-color .15s,box-shadow .15s}
.vt:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.vt .mono-ic{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px;flex:none}
.vt b{font-size:13.5px;display:block;line-height:1.2}
.vt small{color:var(--dim);font-size:11.5px}

/* catalog */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}
.seg{display:flex;flex-wrap:wrap;gap:4px;padding:3px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}
.seg button{border:0;background:none;padding:6px 12px;border-radius:7px;font-size:13px;color:var(--muted);cursor:pointer;font-weight:600}
.seg button:hover{color:var(--text)}
.seg button.on{background:var(--card);color:var(--blue);box-shadow:0 1px 3px rgba(15,27,45,.12)}
.search{flex:1;min-width:220px;position:relative}
.search input{width:100%;padding:9px 12px 9px 36px;border-radius:10px;border:1px solid var(--line2);background:var(--card);outline:none}
.search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-100)}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--dim)}
.toggle{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);cursor:pointer;user-select:none}
.toggle input{accent-color:var(--blue)}
.table-wrap{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--card)}
.scroll{max-height:620px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{position:sticky;top:0;background:var(--soft);text-align:left;font-size:12px;color:var(--muted);font-weight:700;padding:11px 16px;border-bottom:1px solid var(--line);white-space:nowrap;cursor:pointer;z-index:1}
th.r,td.r{text-align:right}
td{padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:hover td{background:var(--card-2)}
.mname{font-weight:650;font-size:14px}
.mid{font-size:11.5px;color:var(--dim);font-family:var(--mono)}
.tag{display:inline-block;padding:1px 7px;border-radius:6px;font-size:11.5px;font-weight:650;border:1px solid var(--line);color:var(--muted);background:var(--card);white-space:nowrap}
.tag.cn{color:var(--orange-ink);border-color:var(--bd-o);background:var(--orange-50)}
.tag.intl{color:var(--blue);border-color:var(--blue-100);background:var(--blue-50)}
.tag.cf{color:var(--orange-ink);border-color:var(--bd-o);background:var(--tint-o)}
.tag.k{color:var(--violet);border-color:var(--bd-v);background:var(--violet-50)}
.tag.ok{color:var(--green);border-color:var(--bd-g);background:var(--green-50)}
.price{font-family:var(--mono);font-size:13.5px;white-space:nowrap;font-weight:600}
.soon{font-size:12px;color:var(--dim);font-family:var(--font);font-weight:500}
.count{font-size:13px;color:var(--muted)}

/* pricing */
.pricing{display:grid;grid-template-columns:1fr 1.05fr;gap:24px;align-items:start}
.steps{display:grid;gap:12px}
.step{display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.step .n{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800;color:#fff;font-size:13.5px}
.step h4{font-size:15px;margin-bottom:2px}
.step p{font-size:13.5px;color:var(--muted)}
.formula{margin-top:12px;padding:16px 18px;border-radius:12px;background:var(--soft);border:1px dashed var(--line2);font-size:13px;color:var(--muted)}
.formula code{font-family:var(--mono);color:var(--text);font-size:12.5px}
.calc{padding:24px;border-radius:14px;background:var(--card);border:1.5px solid var(--blue-100);box-shadow:0 18px 40px -22px rgba(31,111,209,.45)}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-size:12.5px;color:var(--muted);font-weight:600}
.input,select.input,textarea.input{width:100%;padding:10px 12px;border-radius:var(--r-sm);border:1px solid var(--line2);background:var(--card);outline:none}
.input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-100)}
.amount{display:flex;align-items:center;border:1px solid var(--line2);border-radius:12px;background:var(--card);padding:2px 14px}
.amount:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-100)}
.amount span{font-size:24px;color:var(--dim);font-weight:700}
.amount input{border:0;background:none;outline:none;font-size:30px;font-weight:800;width:100%;padding:6px 8px;letter-spacing:-.02em}
.presets{display:flex;gap:6px;flex-wrap:wrap}
.presets button{flex:1;min-width:58px;padding:7px;border-radius:8px;border:1px solid var(--line);background:var(--soft);cursor:pointer;font-weight:650;font-size:13px;color:var(--muted)}
.presets button.on,.presets button:hover{color:var(--blue);border-color:var(--blue);background:var(--blue-50)}
.lines{margin-top:16px;border-top:1px dashed var(--line2);padding-top:12px;display:grid;gap:8px;font-size:14px}
.line{display:flex;justify-content:space-between;gap:12px}
.line span:first-child{color:var(--muted)}
.line .q{font-size:11.5px;color:var(--dim);display:block}
.line .tnum{font-family:var(--mono);font-weight:600}
.line.total{margin-top:6px;padding-top:12px;border-top:1px solid var(--line);font-size:15px;font-weight:700}
.line.total > span:first-child{color:var(--text)}
.line.total > span:last-child{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--blue)}
.note{font-size:12px;color:var(--dim);margin-top:10px}

/* code */
.code{border:1px solid #1d2638;border-radius:12px;overflow:hidden;background:#0d1422}
.tabs{display:flex;gap:2px;padding:6px;border-bottom:1px solid #1d2638;background:#111a2b}
.tabs button{border:0;background:none;padding:6px 13px;border-radius:7px;font-size:13px;color:#8fa0bd;cursor:pointer;font-weight:600}
.tabs button.on{background:#1d2a42;color:#fff}
.tabs .copy{margin-left:auto;background:#1d2a42;color:#dbe4f5;border-color:#2b3a57}
pre{padding:18px 22px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.7;color:#d6dbea}
pre .k{color:#7cb7ff}pre .s{color:#ffc27a}pre .c{color:var(--muted)}pre .f{color:#8fe3c0}

/* faq */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:10px}
details{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:0 18px}
details[open]{border-color:var(--blue-100);box-shadow:var(--shadow)}
summary{list-style:none;cursor:pointer;padding:15px 0;font-weight:650;display:flex;justify-content:space-between;gap:12px;font-size:14.5px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:18px;color:var(--dim);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 16px;color:var(--muted);font-size:14px}

/* cta strip */
.strip{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 28px;flex-wrap:wrap}
.strip .label{font-size:11.5px}
.strip h3{font-size:19px;letter-spacing:-.01em;margin-top:2px}

footer{padding:26px 0 40px;color:var(--dim);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}

/* counter */
.counter{display:inline-flex;flex-direction:column;padding:10px 14px;border-left:3px solid var(--green);background:var(--card);border-radius:0 10px 10px 0;box-shadow:var(--shadow)}
.counter small{font-size:11.5px;color:var(--dim)}
.counter b{font-size:20px;font-family:var(--mono)}

/* ---------- console ---------- */
.shell{display:grid;grid-template-columns:232px 1fr;min-height:calc(100vh - 62px)}
.side{border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:2px;background:var(--card)}
.side a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;color:var(--muted);font-weight:600;font-size:14px;cursor:pointer}
.side a svg{width:18px;height:18px;stroke:currentColor}
.side a:hover{background:var(--soft);color:var(--text)}
.side a.on{background:var(--blue-50);color:var(--blue)}
.side .sp{flex:1}
.main{padding:28px 34px 60px;max-width:1180px}
.page-h{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-h h1{font-size:24px;letter-spacing:-.02em}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.kpi{padding:18px 20px;border-radius:var(--r);border:1px solid var(--line);background:var(--card)}
.kpi small{color:var(--muted);font-size:12.5px;font-weight:600}
.kpi b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;margin-top:2px;font-variant-numeric:tabular-nums}
.kpi.hero-k{background:linear-gradient(135deg,var(--blue),#3f86e6);border-color:transparent;color:#fff}
.kpi.hero-k small{color:rgba(255,255,255,.8)}
.kpi.hero-k b{font-size:32px}
.panel{border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:20px 22px;margin-bottom:16px}
.panel h3{font-size:15.5px;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.alert{padding:11px 15px;border-radius:10px;font-size:13.5px;border:1px solid var(--bd-o);background:var(--orange-50);color:var(--orange-ink);margin-bottom:16px}
.alert.info{border-color:var(--blue-100);background:var(--blue-50);color:var(--blue-ink)}
.empty{padding:32px;text-align:center;color:var(--dim);font-size:14px}
.keybox{font-family:var(--mono);padding:12px;border-radius:9px;background:var(--soft);border:1.5px solid var(--blue);word-break:break-all;font-size:13.5px;margin:12px 0}
.auth{max-width:420px;margin:64px auto;padding:32px}
.auth h1{font-size:22px;letter-spacing:-.02em;margin:14px 0 4px}
.chat-out{min-height:170px;max-height:420px;overflow:auto;white-space:pre-wrap;padding:14px;border-radius:10px;background:var(--soft);border:1px solid var(--line);font-size:14px}
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;padding:11px 18px;border-radius:10px;background:#0f1b2d;color:#fff;box-shadow:var(--shadow-lg);transition:all .3s;z-index:100;font-size:14px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.modal{position:fixed;inset:0;background:rgba(15,27,45,.45);backdrop-filter:blur(4px);display:none;place-items:center;z-index:90;padding:16px}
.modal.show{display:grid}
.modal .box{max-width:520px;width:100%;padding:26px;border-radius:16px;background:var(--card);box-shadow:var(--shadow-lg)}
.demo-badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--green-50);color:var(--green);border:1px solid var(--bd-g);letter-spacing:.04em}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .how{grid-template-columns:1fr;gap:10px}
  .how .arrow{transform:rotate(90deg);height:30px;width:30px;margin:0 auto}
  .vgrid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:980px){
  .arch{grid-template-columns:1fr;gap:6px}
  .arch .flow{transform:rotate(90deg);width:60px;margin:0 auto}
  .pricing,.grid2,.faq{grid-template-columns:1fr}
  .why{grid-template-columns:1fr 1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media (max-width:720px){
  .wrap{padding:0 16px}
  .hero-card{padding:26px 18px}
  .sec{padding:22px 16px}
  .why{grid-template-columns:1fr}
  .vgrid{grid-template-columns:1fr 1fr}
  .shell{grid-template-columns:1fr}
  .side{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:8px}
  .side .sp,.side .side-foot{display:none}
  .side a{flex:none}
  .main{padding:20px 16px 48px}
  .kpis{grid-template-columns:1fr}
  .hide-sm{display:none}
  td,th{padding:10px}
  .promo{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ================= v3 hero (screenshot direction) ================= */
:root{ --ink:#172640; --display:"Plus Jakarta Sans","Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif }
.hx{position:relative;overflow:hidden;padding-block:76px 30px;background:
  radial-gradient(60% 70% at 88% 18%,rgba(42,102,240,.10),transparent 70%),
  radial-gradient(40% 50% at 70% 60%,rgba(255,255,255,.7),transparent 70%),var(--bg)}
.hx-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px;align-items:center}
.hx-copy{min-width:0}
.hx-eyebrow{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.hx-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(42,102,240,.14)}
.hx-eyebrow b{width:56px;height:1px;background:var(--line2)}
html[lang=zh] .hx-eyebrow{letter-spacing:.14em}
.hx-h1{font-family:var(--display);font-weight:800;font-size:clamp(38px,4.7vw,74px);line-height:1.06;letter-spacing:-.045em;color:var(--ink);margin:30px 0 26px;text-wrap:balance}
.hx-h1 span{display:block}
.hx-h1 .hx-blue{color:var(--blue)}
html[lang=zh] .hx-h1{letter-spacing:-.02em;line-height:1.16;font-size:clamp(36px,4.6vw,72px)}
.hx-lede{font-size:clamp(16px,1.45vw,19px);line-height:1.8;color:var(--muted);max-width:540px}
.hx-cta{display:flex;align-items:center;gap:30px;margin-top:36px;flex-wrap:wrap}
.hx-btn{padding:17px 30px;font-size:16.5px;border-radius:9px;gap:14px;font-weight:650;box-shadow:0 10px 30px -10px rgba(42,102,240,.7)}
.hx-btn svg,.hx-link svg{width:20px;height:20px;stroke:currentColor;transition:transform .2s}
.hx-btn:hover svg,.hx-link:hover svg{transform:translateX(3px)}
.hx-link{display:inline-flex;align-items:center;gap:12px;font-size:16.5px;font-weight:600;color:var(--ink)}
.hx-link:hover{color:var(--blue)}
.hx-checks{list-style:none;display:flex;gap:28px;margin-top:30px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.hx-checks li{display:flex;align-items:center;gap:8px}
.hx-checks svg{width:16px;height:16px;stroke:var(--blue)}

.hx-card{position:relative;min-width:0;border-radius:22px;background:var(--glass);border:1px solid rgba(203,213,225,.7);
  box-shadow:0 1px 0 rgba(255,255,255,.9) inset,0 40px 90px -40px rgba(23,38,64,.28),0 0 0 14px rgba(255,255,255,.28);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.hx-card-h{display:flex;align-items:center;gap:10px;padding:20px 26px;border-bottom:1px solid var(--line);font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--label)}
.hx-card-h i{width:7px;height:7px;border-radius:50%;background:var(--blue)}
.hx-out{margin-left:auto;color:var(--blue);display:grid;place-items:center;width:30px;height:30px;border-radius:8px}
.hx-out:hover{background:var(--blue-50)}
.hx-out svg{width:18px;height:18px;stroke:currentColor}
.hx-stage{position:relative;aspect-ratio:600/400;max-width:100%;container-type:inline-size;
  background-image:radial-gradient(rgba(100,116,139,.22) 1px,transparent 1.2px);background-size:22px 22px}
.hx-wires{position:absolute;inset:0;width:100%;height:100%}
.hx-wires path{fill:none;stroke-width:1.6;vector-effect:non-scaling-stroke}
.hx-wires .w{stroke:var(--wire)}
.hx-wires .w-act{stroke:var(--blue);stroke-dasharray:6 6;animation:hxdash 1.1s linear infinite}
.hx-wires .w-dash{stroke:var(--blue);stroke-width:2.2;stroke-dasharray:7 9;animation:hxdash 1.4s linear infinite}
.hx-wires .w-dot{fill:var(--blue)}
@keyframes hxdash{to{stroke-dashoffset:-24}}
.hx-node,.hx-core{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;text-align:center}
.hx-node b,.hx-core b{font-family:var(--display);font-weight:700;color:var(--ink);font-size:clamp(11px,2.9cqw,17px);margin-top:2.2cqw;white-space:nowrap}
.hx-node small{font-size:clamp(9px,1.75cqw,11.5px);color:var(--dim-2);white-space:nowrap}
.hx-core small{font-size:clamp(8px,1.6cqw,10.5px);letter-spacing:.2em;text-transform:uppercase;color:var(--dim-2);white-space:nowrap;margin-top:.4cqw}
.hx-ic{width:11.5cqw;height:11.5cqw;border-radius:2.6cqw;background:var(--card);border:1px solid var(--line);display:grid;place-items:center;box-shadow:0 6px 16px -8px rgba(23,38,64,.25)}
.hx-ic svg{width:52%;height:52%;stroke:var(--blue)}
.hx-core{width:25cqw;padding:3.2cqw 0 3cqw;border-radius:3.4cqw;background:var(--card);border:1px solid var(--line);box-shadow:0 0 0 2.4cqw rgba(42,102,240,.05),0 24px 50px -24px rgba(42,102,240,.55)}
.hx-tm{width:12cqw;height:12cqw;border-radius:2.8cqw;background:linear-gradient(160deg,#3b7bff,#1f55e0);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:5.4cqw;letter-spacing:-.06em;box-shadow:0 10px 24px -8px rgba(42,102,240,.75);grid-auto-flow:column;place-content:center}
.hx-tm span{font-size:4.4cqw;margin-top:.8cqw}
.hx-prov{position:absolute;left:69.5%;width:28.5cqw;transform:translateY(-50%);display:flex;align-items:center;gap:2cqw;padding:2cqw 2.2cqw;border-radius:2cqw;background:var(--card);border:1px solid var(--line);box-shadow:0 4px 14px -8px rgba(23,38,64,.25)}
.hx-prov i{flex:none;width:4.8cqw;height:4.8cqw;border-radius:1.3cqw;color:#fff;font-style:normal;font-weight:800;font-size:2cqw;display:grid;place-items:center}
.hx-prov b{min-width:0;overflow:hidden;text-overflow:ellipsis;font-size:clamp(8.5px,2.3cqw,14px);font-weight:600;color:var(--ink);white-space:nowrap}
.hx-prov em{margin-left:auto;width:1.1cqw;height:1.1cqw;min-width:5px;min-height:5px;border-radius:50%;background:var(--wire)}
.hx-prov.on{border-color:var(--bd-b);box-shadow:0 0 0 1.2cqw rgba(42,102,240,.06),0 8px 20px -10px rgba(42,102,240,.5)}
.hx-prov.on em{background:var(--green);box-shadow:0 0 0 3px rgba(22,163,74,.15)}
.hx-card-f{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.hx-card-f > span{display:flex;align-items:center;justify-content:center;gap:9px;padding:18px 8px;font-size:13.5px;color:var(--muted-2);font-weight:500}
.hx-card-f svg{width:17px;height:17px;stroke:var(--wire-2)}
.hx-cat{text-align:center;margin-top:70px}
.hx-cat-l{font-size:12.5px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:#7f95b8}
.hx-marks{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:30px;align-items:center}
.hx-marks button{border:0;background:none;cursor:pointer;font-family:var(--display);font-size:clamp(20px,2.3vw,32px);font-weight:600;letter-spacing:-.025em;color:#7c899c;padding:10px 4px;border-radius:12px;transition:color .2s,background .2s}
.hx-marks button.caps{text-transform:uppercase;font-size:clamp(16px,1.75vw,24px);letter-spacing:.01em}
.hx-marks button:hover{color:var(--ink);background:var(--glass)}
.hx-marks button:focus-visible,.hx-link:focus-visible,.hx-btn:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.hx-note{font-size:13px;color:#a2b0c4;margin-top:26px}
@media (max-width:1080px){.hx-grid{grid-template-columns:1fr;gap:44px}.hx-card{max-width:760px}}
@media (max-width:720px){
  .hx{padding-block:44px 20px}
  .hx-marks{grid-template-columns:repeat(3,1fr)}
  .hx-cta{gap:18px}
  .hx-card-h{padding:14px 16px;font-size:11px;letter-spacing:.1em}
  .hx-card-f > span{font-size:12px;padding:14px 4px;gap:6px}
  .hx-cat{margin-top:44px}
}

.lang button{white-space:nowrap}
@media (max-width:720px){
  .nav .wrap{gap:12px}
  .nav-right .btn.primary span{display:none}
  .nav-right .btn.primary{padding:8px 10px}
  .brand{font-size:17px}
}

.hx-wires .ring{fill:none;stroke:rgba(42,102,240,.10);stroke-width:1;vector-effect:non-scaling-stroke}
.hx-wires .r2{stroke-dasharray:2 6}
.hx-wires .w-more{stroke-dasharray:3 5}
.hx-prov.more{border-style:dashed;background:var(--glass);box-shadow:none;color:var(--blue)}
.hx-prov.more i{background:var(--blue-50);color:var(--blue);font-size:3cqw}
.hx-prov.more b{color:var(--blue);font-weight:600}
.hx-prov.more:hover{background:var(--card);border-color:var(--blue)}

/* homepage developer section */
.devgrid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:18px;align-items:stretch}
.devgrid .code{min-width:0}
.dtopics{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dtopics a{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--card);transition:border-color .15s,transform .15s,box-shadow .15s}
.dtopics a:hover{border-color:var(--blue-100);transform:translateY(-1px);box-shadow:0 6px 18px rgba(31,111,209,.08)}
.dtopics b{font-size:14.5px;color:var(--text)}
.dtopics span{font-size:13px;color:var(--muted);line-height:1.5}
@media (max-width:900px){.devgrid{grid-template-columns:1fr}}
@media (max-width:520px){.dtopics{grid-template-columns:1fr}}

/* USDT payment dialog */
.u-row{margin:12px 0;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}
.u-row small{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.u-val{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.u-val .btn{margin-left:auto}
.u-warn{margin:10px 0 0;padding-left:18px;font-size:13px;color:var(--orange-ink);line-height:1.65}
.u-status{display:flex;align-items:center;gap:10px;margin-top:14px;padding:12px 14px;border-radius:10px;background:var(--blue-50);color:var(--blue-ink);font-size:13.5px}
.u-status.ok{background:var(--green-50);color:var(--green-ink);font-weight:600}
.spin{width:14px;height:14px;border-radius:50%;border:2px solid var(--blue-100);border-top-color:var(--blue);animation:spin 0.9s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* auth helpers + security page */
.auth-links{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:12px;font-size:13px}
.auth-links a{color:var(--blue)}
.qr{width:200px;margin:12px auto;padding:8px;background:var(--card);border:1px solid var(--line);border-radius:12px}
.qr svg{display:block;width:100%;height:auto}
.mfa-steps{padding-left:20px;font-size:14px;line-height:1.7;margin:10px 0}
.rc-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px;padding:14px;border-radius:10px;background:var(--soft);border:1px solid var(--line);font-size:15px;letter-spacing:.06em}
.red{color:var(--red)}

/* language menu (custom listbox: themed in light and dark on every OS) */
.lang{position:relative}
.lang-b{display:flex;align-items:center;gap:7px;border:0;background:none;padding:5px 8px 5px 9px;border-radius:7px;font-size:13px;font-weight:600;color:var(--text);cursor:pointer;white-space:nowrap}
.lang-b:hover,.lang.open .lang-b{background:var(--card)}
.lang-b:focus-visible{outline:2px solid var(--blue-100);outline-offset:1px}
.lang-b svg{width:15px;height:15px;flex:none;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lang-b .chev{width:13px;height:13px;transition:transform .15s}
.lang.open .lang-b .chev{transform:rotate(180deg)}
.lang-b .short{display:none}
.lang-m{position:absolute;right:-1px;top:calc(100% + 8px);z-index:70;min-width:200px;margin:0;padding:6px;list-style:none;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);animation:langIn .12s ease-out}
.lang-m[hidden]{display:none}
@keyframes langIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.lang-m li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 10px 9px 12px;border-radius:8px;font-size:13.5px;font-weight:500;color:var(--text);cursor:pointer;outline:none}
.lang-m li:hover,.lang-m li:focus{background:var(--blue-50)}
.lang-m li[aria-selected="true"]{color:var(--blue);font-weight:650}
.lang-m li svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;visibility:hidden}
.lang-m li[aria-selected="true"] svg{visibility:visible}
@media (max-width:520px){.lang-b .full{display:none}.lang-b .short{display:inline}.lang-b{gap:5px;padding:5px 7px}}
/* native selects (country, payment method): themed option list */
select option{background:var(--card);color:var(--text)}
/* CJK line breaking: keep Japanese phrases and Korean words together */
html[lang=ja] :is(h1,h2,h3,.title,.lede,p){word-break:auto-phrase}
html[lang=ko]{word-break:keep-all}

/* Hero routing card: everything hangs off one horizontal axis (stage y = 50%).
   App icon, TM icon and the active route to Gemini share that line; labels sit below the icons.
   Gaps are symmetric (48 units of the 600-wide stage) and the whole composition is centred in the card:
   app icon starts 60 units from the left edge, the provider column ends 53 from the right (labels hang a little wider). */
.hx-app{transform:translate(-50%,-5.75cqw)}          /* anchor = centre of the 11.5cqw icon */
.hx-core{transform:translate(-50%,-50%)}               /* card is vertically symmetric → its centre IS the tile centre */
.hx-prov{left:62.5%;width:28.67cqw}
/* keep the app caption inside its column (long captions in ja/id wrap instead of running under the core) */
.hx-app small{white-space:normal;max-width:24cqw;line-height:1.35}
.hx-app b{max-width:30cqw;overflow:hidden;text-overflow:ellipsis}
@media (max-width:520px){.hx-card-f{gap:8px}.hx-card-f > span{white-space:nowrap;font-size:12px}}
@media (max-width:420px){.hx-card-f > span{padding:14px 4px;gap:5px;font-size:11.5px}.hx-card-f svg{width:14px;height:14px}}
@media (max-width:380px){.hx-card-f > span{white-space:normal;text-align:center;line-height:1.3}}
html[lang=ja] .hx-app small{word-break:auto-phrase}

.verify-ic{width:52px;height:52px;border-radius:14px;background:var(--blue-50);display:grid;place-items:center;margin:4px 0 14px}
.verify-ic svg{width:26px;height:26px;stroke:var(--blue)}

#cForm{text-align:center}#cForm .verify-ic{margin:6px auto 16px}#cForm .auth-links{justify-content:center}
.demo-badge{white-space:nowrap}
.auth.centered #aTitle,.auth.centered>.brand{text-align:center;justify-content:center}.auth.centered>.brand{display:flex}
.auth.centered #aTitle{margin-bottom:16px}

/* Core card v2: [chip] [tile] [name] with equal-height rows above and below the tile, so the card is
   centred on the axis (app icon · TM tile · Gemini all on y=50%) and sits in the middle of the stage. */
.hx-core{padding:3cqw 0;box-shadow:0 0 0 2.4cqw rgba(42,102,240,.05),0 14px 36px -18px rgba(42,102,240,.45)}
.hx-core small,.hx-core b{height:4.4cqw;line-height:4.4cqw;margin:0;display:block}
.hx-core small{order:0;margin-bottom:2cqw;padding:0 1.8cqw;border-radius:99px;background:var(--blue-50);color:var(--label);font-weight:600;letter-spacing:.16em}
.hx-core .hx-tm{order:1}
.hx-core b{order:2;margin-top:2cqw}
.hx-prov.more{background:var(--glass-2);border-color:var(--bd-b)}

/* ---------- live chat ---------- */
.cs{position:fixed;right:20px;bottom:20px;z-index:60;font-family:var(--font)}
.cs-fab{width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;color:#fff;background:linear-gradient(160deg,#3b7bff,#1f55e0);box-shadow:0 12px 28px -10px rgba(42,102,240,.7),0 0 0 6px rgba(42,102,240,.08);transition:transform .15s}
.cs-fab:hover{transform:translateY(-2px)}
.cs-fab svg{width:26px;height:26px;stroke:currentColor}
.cs-fab .cs-i-close,.cs.open .cs-fab .cs-i-open{display:none}.cs.open .cs-fab .cs-i-close{display:block}
.cs-panel{position:absolute;right:0;bottom:72px;width:380px;height:min(600px,calc(100vh - 120px));display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 70px -24px rgba(15,27,45,.35);overflow:hidden}
.cs-panel[hidden]{display:none}
.cs-h{display:flex;align-items:center;gap:11px;padding:14px 12px 14px 16px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--tint-b),var(--card))}
.cs-av{flex:none;width:36px;height:36px;border-radius:10px;background:linear-gradient(160deg,#3b7bff,#1f55e0);color:#fff;display:grid;place-items:center;grid-auto-flow:column;place-content:center;font-family:var(--display);font-weight:800;font-size:15px;letter-spacing:-.06em}
.cs-av span{font-size:12px;margin-top:2px}
.cs-ht{min-width:0;flex:1}.cs-ht b{display:block;font-family:var(--display);font-size:15px;color:var(--ink)}
.cs-ht small{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cs-ht small i{flex:none;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(22,163,74,.15)}
.cs-ib{flex:none;width:32px;height:32px;border:0;border-radius:9px;background:transparent;color:var(--muted-2);display:grid;place-items:center;cursor:pointer}
.cs-ib:hover{background:var(--blue-50);color:var(--blue)}.cs-ib svg{width:17px;height:17px;stroke:currentColor}
.cs-body{flex:1;overflow-y:auto;padding:16px 14px 6px;display:flex;flex-direction:column;gap:10px;background:var(--card-2)}
.cs-m{max-width:86%;padding:10px 13px;border-radius:14px;font-size:14px;line-height:1.6;color:var(--ink);overflow-wrap:anywhere}
.cs-m.bot{align-self:flex-start;background:var(--card);border:1px solid var(--line);border-top-left-radius:5px}
.cs-m.me{align-self:flex-end;background:var(--blue);color:#fff;border-top-right-radius:5px}
.cs-m.err{background:var(--tint-o);border-color:var(--bd-o);color:var(--orange-ink)}
.cs-m a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}.cs-m code{font-family:var(--mono,ui-monospace,monospace);font-size:12.5px;background:var(--card-3);border-radius:5px;padding:1px 5px}
.cs-m.typing{display:flex;gap:4px;padding:13px 14px}.cs-m.typing i{width:6px;height:6px;border-radius:50%;background:var(--wire-2);animation:csdot 1s infinite}
.cs-m.typing i:nth-child(2){animation-delay:.15s}.cs-m.typing i:nth-child(3){animation-delay:.3s}
@keyframes csdot{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.cs-chips{display:flex;flex-wrap:wrap;gap:7px;padding:4px 14px 10px;background:var(--card-2)}.cs-chips[hidden]{display:none}
.cs-chips button{border:1px solid var(--bd-b);background:var(--card);color:var(--blue-ink);border-radius:99px;padding:6px 11px;font-size:12.5px;font-weight:500;cursor:pointer}
.cs-chips button:hover{border-color:var(--blue);background:var(--blue-50)}
.cs-f{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
.cs-f textarea{flex:1;resize:none;background:var(--card-2);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:10px 12px;font:inherit;font-size:14px;line-height:1.45;max-height:120px;outline:none}
.cs-f textarea:focus{border-color:var(--bd-b);box-shadow:0 0 0 3px rgba(42,102,240,.12)}
.cs-send{flex:none;width:40px;height:40px;border:0;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;cursor:pointer}
.cs-send svg{width:18px;height:18px;stroke:currentColor}
.cs-note{margin:0;padding:0 14px 10px;font-size:11.5px;line-height:1.45;color:var(--dim-2)}
.cs-ts{height:0;overflow:hidden}
@media (max-width:640px){
  .cs{right:14px;bottom:14px}.cs-fab{width:52px;height:52px}
  .cs.open .cs-fab{display:none}
  .cs-panel{position:fixed;left:8px;right:8px;bottom:8px;width:auto;height:min(82vh,640px);height:min(82dvh,640px);border-radius:18px}
  .cs-f textarea{font-size:16px}
}
@media print{.cs{display:none}}
.cs-ht small .cs-sub{min-width:0;overflow:hidden;text-overflow:ellipsis}

/* ================= dark theme (html[data-theme=dark]; toggle in the nav) ================= */
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0a101c; --panel:#101828; --soft:#0e1626; --line:#1e2a3e; --line2:#2b3a54;
  --text:#e7edf6; --muted:#9dabc0; --dim:#6f7e95; --ink:#eef3fb;
  --blue:#4d86ff; --blue-d:#3a73f0; --blue-50:rgba(77,134,255,.13); --blue-100:rgba(77,134,255,.28);
  --orange:#f59a35; --orange-d:#e58a1f; --orange-50:rgba(245,154,53,.13);
  --green:#2fc26a; --green-50:rgba(47,194,106,.13); --violet:#8f78ff; --violet-50:rgba(143,120,255,.15); --red:#f25b5b; --cyan:#2bbbd8;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 4px 16px rgba(0,0,0,.28);
  --shadow-lg:0 2px 6px rgba(0,0,0,.35),0 18px 48px rgba(0,0,0,.45);
  --card:#111a2b; --card-2:#0f1727; --card-3:#172236;
  --tint-o:#1c1912; --tint-b:#111c31; --tint-g:#0f1f19;
  --bd-o:#5b4220; --bd-b:#2a426d; --bd-g:#1f4a34; --bd-v:#3c3470; --bd-r:#5d2b2b;
  --label:#8eb0e2; --muted-2:#8e9db6; --dim-2:#6f7e95;
  --blue-ink:#9fc2ff; --orange-ink:#f8b56b; --green-ink:#71e3a1;
  --nav-bg:rgba(10,16,28,.86); --glass:rgba(17,26,43,.62); --glass-2:rgba(17,26,43,.86);
  --wire:#2b4271; --wire-2:#4a6aa6; --doc-p:#b6c2d4;
}
[data-theme="dark"] body{background:var(--bg)}
[data-theme="dark"] .hx{background:
  radial-gradient(60% 70% at 88% 18%,rgba(77,134,255,.16),transparent 70%),
  radial-gradient(40% 50% at 70% 60%,rgba(77,134,255,.05),transparent 70%),var(--bg)}
[data-theme="dark"] .hx-card{border-color:var(--line2);box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 40px 90px -40px rgba(0,0,0,.7),0 0 0 14px rgba(255,255,255,.025)}
[data-theme="dark"] .hx-ic,[data-theme="dark"] .hx-prov{box-shadow:0 6px 16px -8px rgba(0,0,0,.6)}
[data-theme="dark"] .hx-note{color:#7d8ca3} [data-theme="dark"] .hx-cat-l{color:#7f95b8} [data-theme="dark"] .hx-marks button{color:#7f8da3}
[data-theme="dark"] .seg button.on{box-shadow:0 1px 3px rgba(0,0,0,.5)}
[data-theme="dark"] .code{border-color:var(--line2)}
[data-theme="dark"] .toast{background:#1d2a42;border:1px solid var(--line2)}
[data-theme="dark"] .brand img,[data-theme="dark"] .hx-ic img{filter:none}
[data-theme="dark"] input::placeholder,[data-theme="dark"] textarea::placeholder{color:#64748b}
[data-theme="dark"] ::selection{background:rgba(77,134,255,.35)}
[data-theme="dark"] .kpi.hero-k{background:linear-gradient(135deg,#2f63e0,#2a7ad8)}
[data-theme="dark"] img.inv{filter:invert(1) hue-rotate(180deg)}

/* theme toggle */
.theme-t{display:grid;place-items:center;width:36px;height:36px;flex:none;border:1px solid var(--line);border-radius:9px;background:var(--soft);color:var(--muted);cursor:pointer;transition:color .15s,border-color .15s,background .15s}
.theme-t:hover{color:var(--text);border-color:var(--line2)}
.theme-t svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.theme-t .moon{display:block} .theme-t .sun{display:none}
[data-theme="dark"] .theme-t .moon{display:none} [data-theme="dark"] .theme-t .sun{display:block}
html.theme-anim,html.theme-anim *{transition:background-color .25s,border-color .25s,color .25s !important}
/* near-black vendor badges would vanish on the dark background */
[data-theme="dark"] [style*="background:#000"],[data-theme="dark"] [style*="background:#111827"],[data-theme="dark"] [style*="background:#16191e"],[data-theme="dark"] [style*="background:#222"]{background:#334155 !important}

/* ---------- smart routing (tokenmaster/auto) ---------- */
.tag.auto{color:var(--green-ink);border-color:var(--bd-g);background:var(--green-50);font-family:var(--font)}
.auto-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center;margin:4px 0 18px;padding:18px 20px;border:1px solid var(--bd-b);border-radius:14px;background:linear-gradient(120deg,var(--tint-b),var(--card) 60%)}
.auto-card[hidden]{display:none}
.auto-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(160deg,#3b7bff,#1f55e0);box-shadow:0 8px 20px -10px rgba(42,102,240,.7)}
.auto-ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.auto-h{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.auto-h b{font-size:16px;color:var(--text)}
.auto-h code{font-family:var(--mono);font-size:12.5px;padding:2px 7px;border-radius:6px;background:var(--card);border:1px solid var(--line);color:var(--blue-ink)}
.auto-tx p{margin:6px 0 8px;font-size:14px;line-height:1.65;color:var(--muted);max-width:760px}
.auto-pool{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12px;color:var(--dim)}
.auto-pool span.c{display:inline-flex;align-items:center;gap:5px;padding:2px 8px 2px 3px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--muted)}
.auto-pool span.c i{width:16px;height:16px;border-radius:5px;display:grid;place-items:center;color:#fff;font-style:normal;font-size:8.5px;font-weight:800}
.auto-pr{display:flex;flex-direction:column;align-items:flex-end;gap:4px;text-align:right;white-space:nowrap}
.auto-pr small{font-size:12px;color:var(--dim)}
.auto-pr b{font-family:var(--mono);font-size:14px;color:var(--text)}
.auto-pr .btn{margin-top:4px}
@media (max-width:860px){.auto-card{grid-template-columns:auto minmax(0,1fr)}.auto-pr{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;text-align:left;flex-wrap:wrap}}
@media (max-width:560px){.auto-card{grid-template-columns:1fr;padding:16px}.auto-ic{display:none}}
.auto-card{scroll-margin-top:90px}
.hx-checks li.hx-new a{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:600;border-bottom:1px dashed var(--line2);padding-bottom:1px}
.hx-checks li.hx-new a:hover{color:var(--blue);border-color:var(--blue)}
.hx-checks li.hx-new svg{width:14px;height:14px;stroke:currentColor}
.hx-checks li.hx-new .tag{font-size:10.5px;padding:0 6px;line-height:17px}
.tip-auto{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px;align-items:center;margin:0 0 18px;padding:14px 16px;border:1px solid var(--bd-b);border-radius:14px;background:linear-gradient(120deg,var(--tint-b),var(--card) 70%)}
.tip-auto .auto-ic{width:38px;height:38px;border-radius:10px}
.tip-auto .auto-ic svg{width:20px;height:20px}
.tip-auto .tx b{font-size:14.5px}
.tip-auto .tx p{margin:3px 0 0;font-size:13px;color:var(--muted);line-height:1.6}
.tip-auto .ac{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:720px){.tip-auto{grid-template-columns:auto minmax(0,1fr)}.tip-auto .ac{grid-column:1/-1;justify-content:flex-start}}
.auto-card.ws{border-color:var(--bd-g);background:linear-gradient(120deg,var(--tint-g),var(--card) 60%)}
.auto-card.ws .auto-ic{background:linear-gradient(160deg,#22b573,#128a52);box-shadow:0 8px 20px -10px rgba(22,163,74,.7)}
.auto-card .auto-h code + code{margin-left:-2px}
.chat-src{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted);line-height:1.8}
.chat-src a{color:var(--blue);word-break:break-all}
.tag.ws{color:var(--green-ink);border-color:var(--bd-g);background:var(--green-50);font-family:var(--font)}