:root{--bg:#fff;--light:#f5f8fc;--light2:#edf4fb;--blue:#3f8fe5;--blue2:#245f9e;--deep:#153f66;--title:#16283c;--text:#43566a;--muted:#718296;--border:#dce7f2;--tag:#eaf4ff;--footer:#123958;--max:1200px;--shadow:0 18px 50px rgba(21,63,102,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.7;background:var(--bg);overflow-x:hidden}a{color:inherit;text-decoration:none}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:3px solid #8bb8e5;outline-offset:3px}img{max-width:100%;height:auto;display:block}button,input,select,textarea{font:inherit}.content-wrap{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;padding:10px 14px;border:2px solid var(--blue2);border-radius:8px}.skip-link:focus{top:12px}.safety-bar{background:#edf4fb;color:#315878;text-align:center;padding:8px 20px;font-size:13px;border-bottom:1px solid var(--border)}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,231,242,.9)}.header-inner{height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:150px;max-height:44px;object-fit:contain}.desktop-nav{display:flex;justify-content:center;gap:2px;flex:1;height:100%;align-items:center}.nav-group{height:100%;display:flex;align-items:center}.nav-trigger{border:0;background:none;color:var(--title);padding:0 10px;height:44px;cursor:pointer}.nav-trigger:hover,.nav-trigger:focus-visible{color:var(--blue2);outline:2px solid transparent}.mega-menu{position:absolute;top:76px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100vw - 48px));display:none;grid-template-columns:1.05fr 1.5fr 1fr;gap:28px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);padding:28px;border-radius:0 0 16px 16px}.nav-group.open .mega-menu{display:grid}.mega-intro strong{font-size:20px;color:var(--title)}.mega-intro p{font-size:14px}.mega-intro a,.mega-feature a{color:var(--blue2);font-weight:600}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}.mega-links a{padding:8px 0;border-bottom:1px solid var(--light2);color:var(--title)}.mega-feature{background:var(--light);padding:18px;display:flex;flex-direction:column;gap:12px}.mega-feature span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.lang-switch{font-weight:700;color:var(--blue2);min-height:44px;display:flex;align-items:center;padding:0 6px}.download-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue2);color:#fff;border-radius:8px;min-height:44px;padding:0 18px;font-weight:700}.download-btn.large{min-height:50px;padding:0 24px}.mobile-menu-btn{display:none;border:0;background:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.mobile-menu-btn span{width:22px;height:2px;background:var(--title)}.mobile-menu{display:none;position:fixed;inset:0;z-index:1400;background:#fff;overflow:auto;padding:18px 20px 28px}.mobile-menu.open{display:block}.mobile-menu-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding-bottom:14px}.mobile-menu-top>div{display:flex;align-items:center;gap:8px}.mobile-close{border:0;background:var(--light);width:44px;height:44px;font-size:28px;line-height:1}.mobile-nav-section{border-bottom:1px solid var(--border)}.mobile-accordion{width:100%;height:52px;display:flex;justify-content:space-between;align-items:center;border:0;background:none;color:var(--title);font-weight:700;text-align:left}.mobile-subnav{display:none;padding:0 0 12px}.mobile-subnav.open{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.mobile-subnav a{min-height:44px;display:flex;align-items:center}.mobile-menu-bottom{display:grid;gap:10px;padding-top:20px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--blue2);margin:0 0 10px}.hero{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;min-height:660px;padding-block:70px 56px;gap:48px}.hero h1{font-size:clamp(40px,5vw,68px);line-height:1.08;color:var(--title);margin:0 0 18px;letter-spacing:-.04em}.hero-sub{font-size:20px;color:var(--blue2);font-weight:700}.hero-text{font-size:17px;max-width:700px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px}.hero-actions>a:not(.download-btn){color:var(--blue2);font-weight:700}.capability-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.capability-tags span{background:var(--tag);padding:6px 10px;font-size:13px;border:1px solid #d7e9fb}.hero-visual{position:relative;min-height:520px;background:var(--light);display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-visual img{width:min(370px,80%);position:relative;z-index:2;filter:drop-shadow(0 28px 28px rgba(21,63,102,.18))}.visual-ring{position:absolute;border:1px solid #c9def3;border-radius:50%}.ring-a{width:420px;height:420px}.ring-b{width:560px;height:560px}.section-head{max-width:740px;margin-bottom:28px}.section-head h2,.cap-big h2,.network-sidebar h2,.web3-process h2,.security-home h2,.academy-home h2,.staking-home h2,.updates-home h2,.faq-home h2,.download-cta h2{color:var(--title);font-size:clamp(28px,3vw,42px);line-height:1.2;margin:0}.task-nav{padding-block:72px}.task-flow{display:grid;grid-template-columns:1.1fr 1fr 1.15fr .9fr 1.05fr;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.task-item{padding:28px 20px 28px 0;min-height:240px;position:relative}.task-item:not(:last-child){border-right:1px solid var(--border);padding-right:20px}.task-item:not(:first-child){padding-left:20px}.task-item span{font-size:12px;color:var(--blue2);font-weight:800}.task-item h3{color:var(--title);margin:12px 0 8px}.task-item p{font-size:14px}.task-item a{color:var(--blue2);font-weight:700;font-size:14px}.capabilities{padding-block:40px 88px}.cap-big{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;background:var(--light);padding:34px;align-items:center}.cap-big img{max-height:300px;margin:auto}.cap-side{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:18px;margin-top:18px}.cap-side article{border:1px solid var(--border);padding:24px;min-height:210px}.cap-side h3{color:var(--title);font-size:21px;margin-top:0}.cap-side a{color:var(--blue2);font-weight:700}.cap-side .with-image{grid-row:span 2;background:#fff;display:flex;flex-direction:column;justify-content:space-between}.with-image img{max-height:230px;object-fit:contain}.security-mini{grid-column:1/3;display:grid!important;grid-template-columns:160px 1fr;align-items:center;background:var(--light2)}.security-mini img{max-height:120px;margin:auto}.network-explorer{background:var(--light);padding-block:90px}.network-layout{display:grid;grid-template-columns:320px 1fr;gap:54px}.network-tabs{display:grid;margin-top:30px;border-top:1px solid var(--border)}.network-tabs button{border:0;border-bottom:1px solid var(--border);background:transparent;padding:14px 0;text-align:left;color:var(--text);cursor:pointer;min-height:48px}.network-tabs button[aria-selected="true"]{color:var(--blue2);font-weight:800}.network-stage{background:#fff;padding:36px;min-height:440px}.network-panel img{max-height:220px;margin:0 auto 22px}.network-panel h3{font-size:28px;color:var(--title)}.js .network-panel{display:none}.js .network-panel.active{display:block}.journey{padding-block:90px}.journey-line{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 80px}.journey-line li{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:28px 0;border-top:1px solid var(--border)}.journey-line li:nth-child(even){transform:translateY(42px)}.journey-line span{font-size:28px;font-weight:800;color:#a8c5e3}.journey-line h3{margin:0;color:var(--title)}.web3-process{padding-block:90px;background:var(--light2)}.process-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}.process-layout>div{position:sticky;top:120px}.process-layout ol{list-style:none;margin:0;padding:0;counter-reset:step}.process-layout li{position:relative;padding:22px 22px 22px 72px;border-bottom:1px solid #cfdfee;background:#fff}.process-layout li:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:20px;color:var(--blue2);font-weight:800}.security-home{background:var(--deep);color:#d8e9fa;padding-block:90px}.security-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.security-home .eyebrow{color:#9ac8f2}.security-home h2{color:#fff}.security-home a{color:#fff;font-weight:800}.security-check{border:1px solid rgba(255,255,255,.2);padding:30px}.security-check img{max-height:190px;margin:0 auto 22px;filter:brightness(1.05)}.security-check li{margin:8px 0}.academy-home{padding-block:90px;display:grid;grid-template-columns:1.08fr .92fr;gap:60px}.academy-feature{padding-right:20px}.academy-feature h2{font-size:clamp(34px,4vw,52px);line-height:1.15;color:var(--title)}.academy-feature a{color:var(--blue2);font-weight:800}.academy-index{border-top:1px solid var(--border)}.academy-index a{display:block;padding:16px 0;border-bottom:1px solid var(--border)}.academy-index span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.academy-index strong{display:block;color:var(--title);font-size:18px}.academy-index p{margin:4px 0 0;font-size:13px}.staking-home{padding-block:80px;display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.staking-home article{padding:34px;border:1px solid var(--border)}.staking-home .staking-risk{background:var(--light)}.staking-home h3{font-size:24px;color:var(--title)}.staking-home a{color:var(--blue2);font-weight:800}.updates-home{background:var(--light);padding-block:80px}.update-list{border-top:1px solid var(--border)}.update-list a{display:grid;grid-template-columns:170px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--border)}.update-list span{font-size:12px;color:var(--muted)}.update-list strong{color:var(--title)}.faq-home{padding-block:88px}.faq-list{border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border)}.faq-q{width:100%;min-height:60px;border:0;background:none;text-align:left;color:var(--title);font-weight:800;padding:16px 42px 16px 0;position:relative;cursor:pointer}.faq-q:after{content:'+';position:absolute;right:8px}.faq-q[aria-expanded="true"]:after{content:'−'}.faq-a{padding:0 40px 18px 0}.js .faq-a{display:none}.js .faq-a.open{display:block}.text-link{display:inline-block;margin-top:20px;color:var(--blue2);font-weight:800}.download-cta{padding-block:70px;background:var(--light2)}.download-cta .content-wrap{display:flex;align-items:center;justify-content:space-between;gap:40px}.download-cta p{max-width:760px}.page-hero{padding-block:70px 44px}.breadcrumbs{display:flex;gap:8px;font-size:13px;color:var(--muted);margin-bottom:28px}.breadcrumbs a{color:var(--blue2)}.page-hero-copy{max-width:880px}.page-hero h1{color:var(--title);font-size:clamp(38px,5vw,62px);line-height:1.12;margin:0 0 16px}.lead{font-size:18px}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:70px;padding-bottom:90px}.article-body{min-width:0}.article-section{padding:18px 0 34px;border-top:1px solid var(--border);scroll-margin-top:110px}.article-section h2{font-size:30px;line-height:1.25;color:var(--title)}.article-section h3{font-size:20px;color:var(--title);margin-top:26px}.article-section p{font-size:16px}.check-list{padding-left:22px}.check-list li{margin:8px 0}.desktop-toc{position:sticky;top:108px;align-self:start;border-left:2px solid var(--border);padding-left:18px}.desktop-toc strong{color:var(--title)}.desktop-toc ol{padding-left:18px}.desktop-toc a{font-size:13px}.desktop-toc a.active{color:var(--blue2);font-weight:800}.mobile-toc{display:none;margin-bottom:24px;background:var(--light);padding:14px 18px}.safety-note{margin:30px 0;background:#eef6ff;border-left:4px solid var(--blue2);padding:22px}.safety-note strong{color:var(--title)}.related-strip{margin-top:38px;border-top:1px solid var(--border);padding-top:26px}.related-strip h2{font-size:24px;color:var(--title)}.related-links{display:flex;flex-wrap:wrap;gap:12px}.related-links a{border:1px solid var(--border);padding:10px 14px;color:var(--blue2);font-weight:700}.faq-page{padding-bottom:70px}.faq-intro{max-width:800px;margin-bottom:24px}.site-footer{background:var(--footer);color:#bdd3e7;padding-top:56px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}.footer-brand img{width:160px;filter:brightness(0) invert(1);margin-bottom:20px}.site-footer h2{font-size:16px;color:#fff}.site-footer a{display:block;margin:8px 0;color:#d8e8f5}.footer-warning{font-size:13px}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0 24px;display:flex;justify-content:space-between;gap:20px;font-size:12px}.footer-bottom a{margin:0}.maintenance{min-height:100vh;display:grid;place-items:center;background:var(--light);padding:24px}.maintenance-panel{background:#fff;border:1px solid var(--border);padding:42px;max-width:720px;box-shadow:var(--shadow)}.maintenance-panel h1{color:var(--title);font-size:40px}.maintenance-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.maintenance-actions a{border:1px solid var(--border);padding:12px 16px;color:var(--blue2);font-weight:700}
@media(max-width:1100px){.desktop-nav{display:none}.mobile-menu-btn{display:flex}.hero{grid-template-columns:1fr 1fr;gap:28px}.task-flow{grid-template-columns:repeat(3,1fr)}.task-item{border-bottom:1px solid var(--border)}.cap-side{grid-template-columns:1fr 1fr}.security-mini{grid-column:auto}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.article-shell{grid-template-columns:1fr 220px;gap:40px}}
@media(max-width:820px){.content-wrap{width:min(var(--max),calc(100% - 28px))}.header-inner{height:66px}.brand img{width:130px}.header-actions>.download-btn{padding:0 12px}.hero{grid-template-columns:1fr;min-height:0;padding-top:52px}.hero-visual{min-height:430px}.task-flow{grid-template-columns:1fr 1fr}.cap-big,.network-layout,.process-layout,.security-layout,.academy-home,.staking-home{grid-template-columns:1fr}.cap-side{grid-template-columns:1fr 1fr}.network-stage{padding:24px}.network-tabs{display:flex;overflow-x:auto;gap:8px;border-top:0;padding-bottom:8px}.network-tabs button{white-space:nowrap;border:1px solid var(--border);padding:10px 14px}.journey-line{grid-template-columns:1fr}.journey-line li:nth-child(even){transform:none}.process-layout>div{position:static}.desktop-toc{display:none}.mobile-toc{display:block}.article-shell{display:block}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.update-list a{grid-template-columns:120px 1fr}.download-cta .content-wrap{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.safety-bar{font-size:12px;text-align:left}.header-actions{gap:4px}.header-actions>.download-btn{font-size:13px}.hero h1{font-size:40px}.hero-sub{font-size:17px}.hero-visual{min-height:340px}.hero-actions{align-items:flex-start;flex-direction:column}.task-flow,.cap-side{grid-template-columns:1fr}.task-item,.task-item:not(:first-child),.task-item:not(:last-child){padding:22px 0;border-right:0}.cap-big{padding:22px}.security-mini{grid-template-columns:110px 1fr}.journey-line li{grid-template-columns:50px 1fr}.update-list a{grid-template-columns:1fr;gap:3px}.academy-home{gap:30px}.footer-grid{grid-template-columns:1fr}.footer-brand,.footer-grid>div:last-child{grid-column:auto}.mobile-subnav.open{grid-template-columns:1fr}.maintenance-panel{padding:26px}.maintenance-panel h1{font-size:32px}}