:root{--ink:#0B0D10;--paper:#fff;--paper2:#F5F6F8;--line:#E5E7EB;--txt:#111318;--muted:#5C6470;--accent:#0B5CFF;--ok:#0F9D6E;--red:#D64545;--font:"Inter","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--txt);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.028em;line-height:1.18}
p{margin:0}ul,ol{margin:0;padding:0;list-style:none}a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16.5px;letter-spacing:-.02em;white-space:nowrap}
.brand i{width:28px;height:28px;border-radius:9px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12.5px;font-weight:800}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:14px;font-weight:500;color:var(--muted);transition:color .18s}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.nav-acts{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;border-radius:11px;font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;font-family:inherit;white-space:nowrap;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:9px}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,13,16,.2)}
.btn-line{background:transparent;color:var(--ink);border-color:#D5D8DE}
.btn-line:hover{border-color:var(--ink);background:#fff}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.3)}
.btn-oline{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn-oline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.mscroll{display:none;background:#fff;border-bottom:1px solid var(--line);overflow-x:auto}
.mscroll div{display:flex;gap:22px;align-items:center;height:44px;padding:0 24px;white-space:nowrap;font-size:13.5px;color:var(--muted)}
.mscroll a.on{color:var(--ink);font-weight:600}
@media(max-width:900px){.mscroll{display:block}.nav-links{display:none}.nav-in{height:60px}}
@media(max-width:560px){.nav-acts .btn-line{display:none}}
.crumb{font-size:13px;color:var(--muted);padding:22px 0 0}
.crumb a:hover{color:var(--ink)}.crumb span{margin:0 8px;opacity:.5}
.sec{padding:80px 0}.sec-sm{padding:60px 0}
.sec-alt{background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
h1{font-size:clamp(30px,4vw,50px)}h2{font-size:clamp(24px,2.9vw,34px)}h3{font-size:18px}
.lead{font-size:16px;color:var(--muted);line-height:1.78;max-width:66ch}
.sec-head{max-width:760px;margin-bottom:44px}.sec-head h2{margin-bottom:14px}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}.sec{padding:56px 0}}
.card{display:block;border:1px solid var(--line);border-radius:16px;padding:26px;background:#fff;transition:border-color .2s,transform .2s,box-shadow .2s}
a.card:hover{border-color:#C9CDD6;transform:translateY(-3px);box-shadow:0 16px 40px rgba(11,13,16,.07)}
.card h3{margin-bottom:8px}.card p{font-size:14px;color:var(--muted);line-height:1.72}
.idx{display:block;font-size:11.5px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.dark{background:var(--ink);color:#fff}.dark h2{color:#fff}.dark .lead{color:#9BA3AF}.dark .eyebrow{color:#7C8598}
.foot{background:var(--ink);color:#98A1AE;padding:64px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot h5{color:#fff;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin:0 0 16px}
.foot a{display:block;font-size:13.5px;color:#98A1AE;padding:6px 0;transition:color .18s}.foot a:hover{color:#fff}
.fbrand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px}
.fbrand i{width:26px;height:26px;border-radius:8px;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;font-weight:800}
.foot .risk{font-size:12.5px;line-height:1.8;color:#7C8598;max-width:54ch}
.foot-bottom{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#7C8598}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
/* 首页 */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:76px 0 92px}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:72px 72px;opacity:.55}
.hero::after{content:"";position:absolute;width:720px;height:720px;right:-220px;top:-320px;background:radial-gradient(circle,rgba(11,92,255,.28),transparent 62%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:44px}}
.hero h1{color:#fff;margin-bottom:22px}.hero .lead{color:#A9B1BF}
.hero-facts{display:flex;gap:44px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.hero-facts li{display:flex;flex-direction:column;gap:2px}
.hero-facts b{font-size:20px;font-weight:700;letter-spacing:-.02em;color:#fff}
.hero-facts span{font-size:12.5px;color:#7C8598}
.panel{background:linear-gradient(180deg,#171C25,#0F1217);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:18px;box-shadow:0 34px 72px rgba(0,0,0,.5)}
.panel-bar{display:flex;align-items:center;gap:7px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:16px}
.panel-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.2)}
.panel-bar span{margin-left:auto;font-size:11px;color:#6F788A;letter-spacing:.06em}
.ptabs{display:flex;gap:6px;margin-bottom:14px}
.ptabs span{font-size:12px;padding:6px 12px;border-radius:8px;color:#8A93A5;background:rgba(255,255,255,.04)}
.ptabs .act{background:rgba(255,255,255,.12);color:#fff}
.prow{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:10px;background:rgba(255,255,255,.035);font-size:13.5px;margin-bottom:8px;color:#DDE2EA}
.pv{font-variant-numeric:tabular-nums;font-weight:600}.pv.up{color:#3ED598}.pv.dn{color:#FF6B6B}
.pfoot{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.pf-btn{text-align:center;font-size:12.5px;padding:11px;border-radius:9px;border:1px solid rgba(255,255,255,.18);color:#DDE2EA}
.pf-btn.solid{background:#fff;color:#0B0D10;border-color:#fff;font-weight:600}
.tstrip{border-bottom:1px solid var(--line);background:var(--paper2)}
.tstrip-in{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:space-between;padding-top:20px;padding-bottom:20px;font-size:13.5px;color:var(--muted)}
.tstrip-in span{display:flex;align-items:center;gap:9px}
.tstrip-in span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.steps li{border-top:2px solid var(--line);padding-top:22px}
.steps b{display:block;font-size:12px;letter-spacing:.14em;color:var(--accent);margin-bottom:12px;font-weight:700}
.steps h3{font-size:17px;margin-bottom:8px}.steps p{font-size:14px;color:var(--muted);line-height:1.72}
@media(max-width:860px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px}}
.principles li{padding:22px 0;border-bottom:1px solid var(--line)}
.principles li:first-child{border-top:1px solid var(--line)}
.principles b{display:block;font-size:16px;margin-bottom:6px}
.principles p{font-size:14px;color:var(--muted);line-height:1.72}
.ctaband{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
/* 下载页 */
.dl-hero{background:var(--ink);color:#fff;padding:72px 0 60px;position:relative;overflow:hidden}
.dl-hero::after{content:"";position:absolute;right:-140px;top:-180px;width:520px;height:520px;background:radial-gradient(circle,rgba(11,92,255,.3),transparent 65%)}
.dl-hero .wrap{position:relative;z-index:2}.dl-hero h1{color:#fff;margin-bottom:18px}.dl-hero .lead{color:#A9B1BF}
.dl-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:7px 12px;border-radius:99px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#DDE2EA;margin-bottom:20px}
.dl-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:#3ED598}
.plat-card{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:16px;padding:26px;background:#fff}
.plat-card .ico{width:42px;height:42px;border-radius:12px;background:var(--paper2);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:var(--ink);margin-bottom:18px;letter-spacing:.02em}
.plat-card h3{margin-bottom:6px}.plat-card .meta{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.plat-card p{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:20px;flex:1}
.plat-card .btn{width:100%}
.verify{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.verify th,.verify td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.verify th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--paper2);font-weight:600}
.verify tr:last-child td{border-bottom:0}.verify td:first-child{font-weight:600;white-space:nowrap}
.verify code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;background:var(--paper2);padding:2px 6px;border-radius:5px}
.note{border-left:3px solid var(--accent);background:#F3F6FF;padding:18px 20px;border-radius:0 12px 12px 0;font-size:14px;color:#3A4250;line-height:1.75}
.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:800px){.checks{grid-template-columns:1fr}}
.checks li{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff}
.checks b{display:block;font-size:15px;margin-bottom:8px}.checks p{font-size:13.5px;color:var(--muted);line-height:1.7}
/* 行情页 */
.mk-head{padding:64px 0 48px;border-bottom:1px solid var(--line)}
.mk-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
@media(max-width:920px){.mk-grid{grid-template-columns:1fr;gap:36px}}
.quote{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.quote-h{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);background:var(--paper2);font-size:13px;color:var(--muted)}
.quote-h b{font-size:15px;color:var(--ink)}
.qrow{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:10px;padding:13px 18px;font-size:13.5px;border-bottom:1px solid #F0F1F3;font-variant-numeric:tabular-nums}
.qrow:last-child{border-bottom:0}
.qrow.hd{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:#FAFBFC}
.up{color:var(--ok);font-weight:600}.dn{color:var(--red);font-weight:600}
.depth{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.dside{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;font-size:12.5px;font-variant-numeric:tabular-nums}
.dside b{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.dside div{display:flex;justify-content:space-between;padding:5px 0;color:#3B4250}
.dside .bid{color:var(--ok)}.dside .ask{color:var(--red)}
.ord-type{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.ord-type{grid-template-columns:1fr}}
.ord-type li{border-top:2px solid var(--line);padding-top:20px}
.ord-type b{display:block;font-size:15px;margin-bottom:8px}.ord-type p{font-size:13.5px;color:var(--muted);line-height:1.7}
.ord-type em{display:block;margin-top:10px;font-style:normal;font-size:12px;color:var(--accent);font-weight:600}
.rule-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line)}
.rule-table th,.rule-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.rule-table th{background:var(--paper2);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.rule-table tr:last-child td{border-bottom:0}
/* 安全页 */
.sec-hero{background:var(--ink);color:#fff;padding:72px 0 64px;position:relative;overflow:hidden}
.sec-hero::after{content:"";position:absolute;left:-160px;bottom:-260px;width:620px;height:620px;background:radial-gradient(circle,rgba(11,92,255,.22),transparent 65%)}
.sec-hero .wrap{position:relative;z-index:2}.sec-hero h1{color:#fff;margin-bottom:18px}.sec-hero .lead{color:#A9B1BF}
.layers{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(255,255,255,.14);border-radius:16px;overflow:hidden;margin-top:36px}
.layers li{padding:24px 20px;border-right:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03)}
.layers li:last-child{border-right:0}.layers b{display:block;font-size:13px;color:#fff;margin-bottom:8px}
.layers span{font-size:12.5px;color:#8A93A5;line-height:1.6}
@media(max-width:820px){.layers{grid-template-columns:1fr 1fr}.layers li:nth-child(2){border-right:0}.layers li{border-bottom:1px solid rgba(255,255,255,.1)}}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 32px 0}.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-35px;top:5px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--accent)}
.timeline b{display:block;font-size:16px;margin-bottom:6px}.timeline p{font-size:14px;color:var(--muted);line-height:1.72}
.timeline em{display:inline-block;font-style:normal;font-size:11.5px;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:6px}
/* 托管页 */
.cu-hero{padding:64px 0 48px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#FAFBFC,#fff)}
.cu-hero h1{margin-bottom:18px}
.cu-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
@media(max-width:900px){.cu-split{grid-template-columns:1fr;gap:36px}}
.balance{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 18px 44px rgba(11,13,16,.06)}
.balance-h{padding:16px 18px;border-bottom:1px solid var(--line);background:var(--paper2);display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.balance-h b{color:var(--ink);font-size:14px}
.brow{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:10px;padding:14px 18px;font-size:13.5px;border-bottom:1px solid #F0F1F3;font-variant-numeric:tabular-nums}
.brow:last-child{border-bottom:0}
.brow.hd{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:#FAFBFC}
.brow span:last-child{text-align:right}
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:99px;background:#EAF7F1;color:var(--ok);font-weight:600}
.tag.gray{background:#F0F1F3;color:var(--muted)}
.recon{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line)}
.recon th,.recon td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.recon th{background:var(--paper2);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.recon tr:last-child td{border-bottom:0}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.flow li{padding:24px 20px;border-right:1px solid var(--line)}.flow li:last-child{border-right:0}
.flow b{display:block;font-size:13px;margin-bottom:8px}.flow p{font-size:12.5px;color:var(--muted);line-height:1.65}
@media(max-width:820px){.flow{grid-template-columns:1fr 1fr}.flow li:nth-child(2){border-right:0}.flow li{border-bottom:1px solid var(--line)}}
/* 支持页 */
.sup-hero{padding:64px 0 48px;border-bottom:1px solid var(--line)}
.sup-hero h1{margin-bottom:18px}
.sup-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
@media(max-width:900px){.sup-grid{grid-template-columns:1fr;gap:36px}}
.sla{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line)}
.sla th,.sla td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.sla th{background:var(--paper2);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.sla tr:last-child td{border-bottom:0}
.path{position:relative;padding-left:28px;border-left:2px solid var(--line)}
.path li{position:relative;padding:0 0 32px 0}.path li:last-child{padding-bottom:0}
.path li::before{content:"";position:absolute;left:-35px;top:5px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--accent)}
.path b{display:block;font-size:16px;margin-bottom:6px}.path p{font-size:14px;color:var(--muted);line-height:1.72}
.path em{display:inline-block;font-style:normal;font-size:11.5px;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:6px}
.mats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:640px){.mats{grid-template-columns:1fr}}
.mats li{border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}
.mats b{display:block;font-size:14px;margin-bottom:6px}.mats p{font-size:13px;color:var(--muted);line-height:1.68}
/* 关于页 */
.about-hero{padding:72px 0 56px;border-bottom:1px solid var(--line)}
.about-hero h1{margin-bottom:20px}
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
@media(max-width:900px){.about-split{grid-template-columns:1fr;gap:40px}}
.pledge li{padding:24px 0;border-bottom:1px solid var(--line)}
.pledge li:first-child{border-top:1px solid var(--line)}
.pledge b{display:block;font-size:16px;margin-bottom:6px}
.pledge p{font-size:14px;color:var(--muted);line-height:1.72}
.disclaimer{border:1px solid var(--line);border-radius:16px;padding:26px;background:var(--paper2);font-size:13.5px;color:var(--muted);line-height:1.8}
.disclaimer b{display:block;color:var(--ink);font-size:14px;margin-bottom:10px}
.milestones{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.milestones{grid-template-columns:1fr}}
.milestones li{border-left:2px solid var(--accent);padding:4px 0 4px 20px}
.milestones b{display:block;font-size:15px;margin-bottom:6px}
.milestones p{font-size:13.5px;color:var(--muted);line-height:1.7}