*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#1a2033;background:#f6f8fd;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:root{--c1:#2b5cf6;--c2:#7a3bf2;--grad:linear-gradient(135deg,#2b5cf6 0%,#7a3bf2 100%);--ink:#1a2033;--sub:#5a6478;--line:#e6eaf5;--card:#ffffff}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:14px;font-size:16px;font-weight:600;transition:transform .25s,box-shadow .25s,background .25s;white-space:nowrap}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(43,92,246,.35)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(43,92,246,.45)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--c1);color:var(--c1)}
.btn-white{background:#fff;color:var(--c1);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.btn-white:hover{transform:translateY(-2px)}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;padding:16px 0;transition:background .3s,box-shadow .3s,padding .3s}
.nav.scrolled{background:rgba(13,18,38,.92);backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(0,0,0,.18);padding:10px 0}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#fff}
.nav-logo img{width:34px;height:34px;border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-item>a,.nav-item>span{display:flex;align-items:center;gap:6px;padding:10px 16px;color:rgba(255,255,255,.85);font-size:15px;font-weight:500;border-radius:10px;cursor:pointer;transition:background .2s,color .2s}
.nav-item>a:hover,.nav-item>span:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-item .arrow{font-size:10px;transition:transform .3s}
.nav-item:hover .arrow,.nav-item.open .arrow{transform:rotate(180deg)}
.nav-drop{position:absolute;top:calc(100% + 8px);left:0;min-width:190px;background:#fff;border-radius:14px;box-shadow:0 14px 40px rgba(10,20,50,.16);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s}
.nav-item:hover .nav-drop,.nav-item.open .nav-drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drop a{display:block;padding:10px 14px;border-radius:9px;font-size:14px;color:var(--ink);transition:background .2s,color .2s}
.nav-drop a:hover{background:#f0f4ff;color:var(--c1)}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;width:44px;height:44px;position:relative;z-index:1001}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px auto;border-radius:2px;transition:all .3s}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{background:radial-gradient(1200px 600px at 80% -10%,rgba(122,59,242,.35),transparent 60%),radial-gradient(1000px 500px at -10% 20%,rgba(43,92,246,.4),transparent 55%),#0d1226;padding:150px 0 90px;color:#fff;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:8px 18px;border-radius:100px;font-size:13.5px;margin-bottom:26px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 10px #4ade80;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.5px}
.hero h1 .grad{background:linear-gradient(120deg,#6ea8ff,#b78cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:22px 0 34px;font-size:18px;color:rgba(255,255,255,.72);max-width:520px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap}
.hstat .num{font-size:32px;font-weight:800;background:linear-gradient(120deg,#6ea8ff,#b78cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat .lab{font-size:13.5px;color:rgba(255,255,255,.6);margin-top:2px}
.wallet{position:relative;max-width:650px;margin:0 auto;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:32px;padding:12px;box-shadow:0 30px 80px rgba(0,0,0,.4);backdrop-filter:blur(8px)}
.wallet-screen{background:#f4f6fc;border-radius:22px;overflow:hidden;color:var(--ink)}
.ws-top{display:flex;justify-content:space-between;align-items:center;padding:7px 16px 4px;font-size:12.5px;color:#7c8aa5}
.ws-addr{display:flex;align-items:center;gap:8px;background:#fff;margin:0 14px;padding:7px 12px;border-radius:12px;font-size:12px;color:#5a6478;box-shadow:0 4px 14px rgba(30,50,120,.08)}
.ws-addr .av{width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}
.ws-total{padding:7px 16px 0}
.ws-total .lbl{font-size:12.5px;color:#7c8aa5}
.ws-total .val{font-size:24px;font-weight:800;letter-spacing:-.5px}
.ws-total .up{font-size:12.5px;color:#12b76a;font-weight:600}
.coin-list{padding:4px 10px}
.coin-row{display:flex;align-items:center;gap:11px;background:#fff;border:1.5px solid transparent;padding:5px 10px;border-radius:13px;margin-bottom:3px;cursor:pointer;transition:all .2s}
.coin-row.active{border-color:var(--c1);box-shadow:0 6px 18px rgba(43,92,246,.15)}
.coin-ic{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff}
.coin-meta{flex:1}
.coin-meta .nm{font-size:13.5px;font-weight:700}
.coin-meta .ad{font-size:11.5px;color:#8a94a8}
.coin-val{text-align:right}
.coin-val .am{font-size:14px;font-weight:700}
.coin-val .usd{font-size:11.5px;color:#12b76a}
.ws-tabs{display:flex;border-top:1px solid #e6eaf5;background:#fff}
.ws-tabs button{flex:1;padding:9px 0;font-size:13.5px;font-weight:600;color:#8a94a8;border-top:2.5px solid transparent}
.ws-tabs button.on{color:var(--c1);border-top-color:var(--c1)}
.ws-panel{background:#fff;padding:11px;display:none}
.ws-panel.on{display:flex;flex-direction:column;height:150px;animation:fadeIn .3s}
.ws-panel .btn{margin-top:auto}
.ws-panel .dapp-grid{margin-top:auto;margin-bottom:auto}
.fld-row{display:flex;gap:10px}
.fld-row .fld{flex:1;margin-bottom:0}
.gas-row{display:flex;gap:20px}
.gas-row .gas-line{flex:1;margin:8px 0}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.inp{width:100%;background:#f4f6fc;border:1.5px solid #e6eaf5;border-radius:12px;padding:12px 14px;font-size:14px;outline:none;transition:border .2s}
.inp:focus{border-color:var(--c1)}
.fld{margin-bottom:12px}
.fld label{display:block;font-size:12.5px;color:#7c8aa5;margin-bottom:6px;font-weight:600}
.swap-row{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.swap-row .inp{flex:1}
.swap-arrow{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px}
.gas-line{display:flex;justify-content:space-between;font-size:12.5px;color:#7c8aa5;margin:10px 2px}
.toast{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);background:#12b76a;color:#fff;font-size:13.5px;font-weight:600;padding:10px 20px;border-radius:100px;opacity:0;transition:all .3s;white-space:nowrap;box-shadow:0 8px 20px rgba(18,183,106,.4);z-index:5}
.toast.show{opacity:1;bottom:40px}
.section{padding:96px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 60px}
.sec-tag{display:inline-block;background:#eef2ff;color:var(--c1);font-size:13px;font-weight:700;padding:6px 16px;border-radius:100px;margin-bottom:16px;letter-spacing:1px}
.sec-head h2{font-size:38px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.sec-head p{color:var(--sub);font-size:16.5px}
.chain-wall{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:10px}
.chain-chip{display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:12px 20px;font-size:15px;font-weight:700;transition:all .25s;box-shadow:0 4px 14px rgba(20,40,100,.05)}
.chain-chip:hover{transform:translateY(-3px);border-color:var(--c1);color:var(--c1);box-shadow:0 10px 24px rgba(43,92,246,.14)}
.chain-chip .ci{width:30px;height:30px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
.fgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.fcard{background:var(--card);border:1.5px solid var(--line);border-radius:20px;padding:30px 26px;transition:all .3s;position:relative;overflow:hidden}
.fcard:hover{transform:translateY(-6px);border-color:transparent;box-shadow:0 18px 44px rgba(20,40,100,.13)}
.fcard .ic{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,#eef2ff,#f3ecff);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.fcard h3{font-size:18px;margin-bottom:10px}
.fcard p{font-size:14px;color:var(--sub)}
.security{background:#0d1226;color:#fff}
.security .sec-head h2{color:#fff}
.security .sec-head p{color:rgba(255,255,255,.65)}
.security .sec-tag{background:rgba(255,255,255,.1);color:#9db4ff}
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scard{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:34px 28px;transition:all .3s}
.scard:hover{transform:translateY(-6px);background:rgba(255,255,255,.1)}
.scard .ic{font-size:30px;margin-bottom:16px}
.scard h3{font-size:19px;margin-bottom:10px}
.scard p{font-size:14.5px;color:rgba(255,255,255,.65)}
.scard .tag{display:inline-block;margin-top:16px;font-size:12.5px;color:#9db4ff;border:1px solid rgba(157,180,255,.35);padding:4px 12px;border-radius:100px}
.scen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scen{background:var(--card);border:1.5px solid var(--line);border-radius:20px;padding:30px;transition:all .3s;position:relative}
.scen:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(20,40,100,.13);border-color:transparent}
.scen .num{font-size:13px;font-weight:800;color:var(--c1);background:#eef2ff;display:inline-block;padding:3px 12px;border-radius:100px;margin-bottom:16px}
.scen h3{font-size:18px;margin-bottom:10px}
.scen p{font-size:14px;color:var(--sub)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1.5px solid var(--line);border-radius:16px;margin-bottom:16px;overflow:hidden;transition:all .3s}
.faq-item.open{border-color:var(--c1);box-shadow:0 10px 30px rgba(43,92,246,.1)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-size:16.5px;font-weight:700}
.faq-q .pl{width:26px;height:26px;border-radius:8px;background:#eef2ff;color:var(--c1);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;transition:transform .3s}
.faq-item.open .pl{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s}
.faq-a-in{padding:0 24px 22px;color:var(--sub);font-size:15px}
.faq-a-in ol{padding-left:20px;list-style:decimal}
.faq-a-in ol li{margin:6px 0}
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tcard{background:#fff;border:1.5px solid var(--line);border-radius:20px;padding:28px;transition:all .3s}
.tcard:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(20,40,100,.11)}
.tstars{color:#f6b01e;font-size:15px;letter-spacing:2px;margin-bottom:14px}
.ttext{font-size:14.5px;color:#3a4458;margin-bottom:20px}
.tuser{display:flex;align-items:center;gap:12px}
.tuser .tav{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.tuser .tn{font-size:14.5px;font-weight:700}
.tuser .tr{font-size:12.5px;color:#8a94a8}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ncard{background:#fff;border:1.5px solid var(--line);border-radius:20px;overflow:hidden;transition:all .3s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(20,40,100,.13)}
.ncard img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s}
.ncard:hover img{transform:scale(1.05)}
.ncard-body{padding:22px;display:flex;flex-direction:column;flex:1}
.ncard .nd{font-size:12.5px;color:#8a94a8;margin-bottom:10px}
.ncard h3{font-size:17px;line-height:1.5;margin-bottom:10px;transition:color .2s}
.ncard:hover h3{color:var(--c1)}
.ncard p{font-size:13.5px;color:var(--sub);flex:1;margin-bottom:16px}
.ncard .more{font-size:14px;font-weight:700;color:var(--c1)}
.cta{background:radial-gradient(800px 400px at 50% -20%,rgba(122,59,242,.5),transparent 60%),var(--grad);border-radius:0;padding:96px 0;color:#fff;text-align:center}
.cta h2{font-size:42px;font-weight:800;margin-bottom:16px}
.cta p{font-size:17px;color:rgba(255,255,255,.8);margin-bottom:36px}
.footer{background:#0d1226;color:rgba(255,255,255,.7);padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer .f-brand img{width:34px;height:34px;border-radius:8px}
.footer .f-brand span{font-size:18px;font-weight:700;color:#fff}
.footer .f-desc{font-size:14px;line-height:1.8;max-width:300px}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer .fcol a{display:block;font-size:14px;padding:6px 0;transition:color .2s}
.footer .fcol a:hover{color:#9db4ff}
.footer-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:#5a6478;flex-wrap:wrap;margin-bottom:26px}
.crumb a{color:var(--c1)}
.crumb .sep{color:#b6bfd0}
.article{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}
.article-main{background:#fff;border:1.5px solid var(--line);border-radius:24px;padding:44px;min-width:0}
.article-main h1{font-size:32px;line-height:1.4;margin:18px 0 20px;letter-spacing:-.3px}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:#8a94a8;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:26px}
.article-cover{border-radius:16px;margin-bottom:30px;width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body h2{font-size:23px;margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--c1);scroll-margin-top:100px}
.article-body h3{font-size:18px;margin:26px 0 12px}
.article-body p{font-size:16px;color:#3a4458;margin-bottom:20px;line-height:2}
.article-body img{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:14px;margin:26px 0}
.article-body .imgcap{font-size:12.5px;color:#8a94a8;text-align:center;margin-top:-18px;margin-bottom:26px}
.article-body .hl{background:#eef2ff;border-left:4px solid var(--c1);padding:16px 20px;border-radius:0 12px 12px 0;margin:26px 0;font-size:15px;color:#2a3a66}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.article-nav a{font-size:14px;color:var(--c1);font-weight:600}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1.5px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 6px 22px rgba(20,40,100,.06)}
.side-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;margin-bottom:18px}
.side-title:before{content:"";width:4px;height:18px;background:var(--grad);border-radius:2px}
.toc-list{position:relative;padding-left:18px}
.toc-list:before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:#e6eaf5}
.toc-list li{position:relative;margin-bottom:4px}
.toc-list li:before{content:"";position:absolute;left:-18px;top:12px;width:10px;height:10px;border-radius:50%;background:#c9d2e6;border:2.5px solid #fff;transition:all .25s}
.toc-list li.on:before{background:var(--c1);box-shadow:0 0 0 3px rgba(43,92,246,.2)}
.toc-list a{display:block;padding:7px 4px;font-size:14px;color:#5a6478;transition:color .2s;line-height:1.5}
.toc-list li.on a{color:var(--c1);font-weight:700}
.hot-list li{display:flex;align-items:flex-start;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:none}
.hot-rank{width:26px;height:26px;border-radius:8px;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .2s;background:#eef1f8;color:#7c8aa5}
.hot-list li:nth-child(1) .hot-rank{background:var(--grad);color:#fff}
.hot-list li:nth-child(2) .hot-rank{background:linear-gradient(135deg,#ff8a3d,#ffb13d);color:#fff}
.hot-list li:nth-child(3) .hot-rank{background:linear-gradient(135deg,#f6b01e,#ffd24d);color:#7a4d00}
.hot-list li:hover .hot-rank{transform:scale(1.15)}
.hot-list a{font-size:13.5px;color:#3a4458;line-height:1.55;transition:color .2s}
.hot-list a:hover{color:var(--c1)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{font-size:13px;color:#5a6478;border:1.5px solid var(--line);padding:6px 14px;border-radius:100px;transition:all .2s}
.tag-cloud a:hover{color:var(--c1);border-color:var(--c1);background:#eef2ff}
.comments{margin-top:44px;border-top:1px solid var(--line);padding-top:32px}
.comments h2{font-size:22px;margin-bottom:24px}
.cm-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid #f0f3fa}
.cm-av{width:42px;height:42px;border-radius:50%;flex-shrink:0;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.cm-head{display:flex;gap:12px;align-items:baseline;margin-bottom:6px;flex-wrap:wrap}
.cm-head .nm{font-weight:700;font-size:14.5px}
.cm-head .dt{font-size:12.5px;color:#8a94a8}
.cm-body{font-size:14px;color:#3a4458;line-height:1.8}
.cm-body .like{margin-top:8px;font-size:12.5px;color:#8a94a8;display:flex;gap:16px}
.news-page-head{background:radial-gradient(900px 500px at 50% -20%,rgba(122,59,242,.35),transparent 60%),#0d1226;color:#fff;padding:140px 0 70px;text-align:center}
.news-page-head h1{font-size:42px;font-weight:800;margin-bottom:14px}
.news-page-head p{color:rgba(255,255,255,.7);font-size:16.5px}
.dl-hero{background:radial-gradient(1200px 600px at 80% -10%,rgba(122,59,242,.35),transparent 60%),radial-gradient(1000px 500px at -10% 20%,rgba(43,92,246,.4),transparent 55%),#0d1226;padding:150px 0 90px;color:#fff}
.dl-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}
.dl-stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:36px}
.dl-stat .v{font-size:24px;font-weight:800}
.dl-stat .l{font-size:13px;color:rgba(255,255,255,.6)}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ver-card{background:#fff;border:1.5px solid var(--line);border-radius:22px;padding:32px;display:flex;flex-direction:column;transition:all .3s}
.ver-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(20,40,100,.13)}
.ver-ic{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#eef2ff,#f3ecff);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.ver-card h3{font-size:19px;margin-bottom:6px}
.ver-card .vn{font-size:13px;color:#8a94a8;margin-bottom:6px}
.ver-card .vs{font-size:13px;color:var(--sub);margin-bottom:18px}
.ver-card ul{flex:1;margin-bottom:24px}
.ver-card ul li{font-size:14px;padding:6px 0;color:#3a4458;display:flex;gap:8px}
.ver-card ul li:before{content:"✓";color:var(--c1);font-weight:800}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sys-item{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:22px;display:flex;gap:14px;align-items:flex-start}
.sys-item .ic{font-size:22px}
.sys-item .t{font-size:14px;font-weight:700;margin-bottom:4px}
.sys-item .d{font-size:13px;color:var(--sub)}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{background:#fff;border:1.5px solid var(--line);border-radius:20px;padding:30px 24px;position:relative;transition:all .3s}
.step-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(20,40,100,.12)}
.step-card:before{counter-increment:step;content:"0" counter(step);position:absolute;top:18px;right:20px;font-size:40px;font-weight:800;color:#eef2ff}
.step-card .ic{font-size:26px;margin-bottom:14px}
.step-card h3{font-size:17px;margin-bottom:10px}
.step-card p{font-size:13.5px;color:var(--sub)}
.nf{min-height:100vh;background:radial-gradient(900px 500px at 50% 0,rgba(122,59,242,.4),transparent 60%),#0d1226;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px}
.nf .code{font-size:120px;font-weight:800;background:linear-gradient(120deg,#6ea8ff,#b78cff);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.nf h1{font-size:28px;margin:20px 0 12px}
.nf p{color:rgba(255,255,255,.7);margin-bottom:34px}
.nf .bar{width:180px;height:5px;background:rgba(255,255,255,.15);border-radius:3px;overflow:hidden;margin-top:30px}
.nf .bar i{display:block;height:100%;background:var(--grad);border-radius:3px;animation:fill 3s linear forwards}
@keyframes fill{from{width:0}to{width:100%}}
.totop{position:fixed;right:26px;bottom:30px;width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;font-size:18px;box-shadow:0 10px 26px rgba(43,92,246,.4);opacity:0;visibility:hidden;transition:all .3s;z-index:900}
.totop.show{opacity:1;visibility:visible}
.totop:hover{transform:translateY(-4px)}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.hero h1{font-size:40px}
.hero-grid,.dl-grid{grid-template-columns:1fr;gap:44px}
.wallet{max-width:440px;margin:0 auto}
.fgrid{grid-template-columns:repeat(2,1fr)}
.sgrid,.tgrid,.news-grid,.ver-grid,.sys-grid,.step-grid,.scen-grid{grid-template-columns:repeat(2,1fr)}
.article{grid-template-columns:1fr}
.sidebar{position:static;order:3}
.nav-menu{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#fff;flex-direction:column;align-items:stretch;padding:90px 20px 30px;gap:4px;transition:right .3s;box-shadow:-10px 0 40px rgba(0,0,0,.15);overflow-y:auto;z-index:1000}
.nav-menu.open{right:0}
.nav-item>a,.nav-item>span{color:var(--ink);justify-content:space-between;width:100%;padding:12px 14px}
.nav-item>a:hover,.nav-item>span:hover{background:#f0f4ff;color:var(--c1)}
.nav-item .arrow{transition:transform .3s}
.nav-item.open .arrow{transform:rotate(180deg)}
.nav-drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:1px solid var(--line);display:none;margin-top:4px}
.nav-item.open .nav-drop{display:block}
.burger{display:block}
.nav-cta .btn{display:none}
.nav-cta .burger{margin-left:auto}
}
@media(max-width:768px){
.hero{padding:130px 0 70px}
.hero h1{font-size:32px}
.hero-sub{font-size:16px}
.hero-stats{gap:28px}
.section{padding:68px 0}
.sec-head h2{font-size:29px}
.fgrid,.sgrid,.tgrid,.news-grid,.ver-grid,.sys-grid,.step-grid,.scen-grid{grid-template-columns:1fr}
.article-main{padding:26px 20px}
.article-main h1{font-size:24px}
.footer-grid{grid-template-columns:1fr 1fr}
.cta h2{font-size:30px}
.dl-hero{padding:130px 0 70px}
.nf .code{font-size:90px}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.hero h1{font-size:27px}
.hstat .num{font-size:25px}
.sec-head h2{font-size:24px}
.btn{padding:13px 24px;font-size:15px}
.wallet{border-radius:28px}
.footer-grid{grid-template-columns:1fr}
.hero-btns .btn{width:100%}
.nf .code{font-size:70px}
.nf h1{font-size:22px}
}