:root{--blue:#3f8fe5;--blue-deep:#245f9e;--navy:#153f66;--ink:#16283c;--text:#43566a;--muted:#718296;--line:#dce7f2;--soft:#f5f8fc;--soft2:#edf4fb;--tag:#eaf4ff;--footer:#123958;--wrap:1240px;--shadow:0 18px 55px rgba(22,40,60,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:112px}body{margin:0;background:#fff;color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{font:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin:auto}.skip-link{position:fixed;left:16px;top:-60px;background:#fff;padding:10px 14px;border:2px solid var(--blue);z-index:9999}.skip-link:focus{top:16px}.security-strip{background:var(--soft2);color:var(--blue-deep);font-size:13px;border-bottom:1px solid var(--line)}.security-strip .wrap{padding:7px 0}.site-header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);z-index:1000;border-bottom:1px solid rgba(220,231,242,.92)}.header-row{height:78px;display:flex;align-items:center;gap:20px}.brand{width:150px;flex:0 0 150px}.brand img{width:150px}.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:2px;flex:1;height:100%}.mega-item{position:static;display:flex;align-items:center}.mega-toggle{height:100%;border:0;background:transparent;color:var(--ink);padding:0 12px;cursor:pointer;font-weight:700;font-size:14px;display:flex;gap:7px;align-items:center}.mega-toggle:hover,.mega-toggle:focus-visible{color:var(--blue-deep);outline:none}.mega-panel{position:absolute;left:50%;top:77px;transform:translate(-50%,8px);width:min(1120px,calc(100vw - 48px));display:grid;grid-template-columns:1.15fr 1.5fr 1fr;gap:34px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:30px;opacity:0;visibility:hidden;pointer-events:none;transition:.16s ease}.mega-item.open .mega-panel,.mega-item:focus-within .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.mega-intro p{margin:0 0 14px}.mega-intro>a{color:var(--blue-deep);font-weight:700}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}.mega-links a{padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink)}.mega-feature{border-left:1px solid var(--line);padding-left:26px;display:flex;flex-direction:column;gap:6px}.mega-feature strong{font-size:13px;color:var(--muted);margin-bottom:4px}.mega-feature a{display:flex;justify-content:space-between;padding:10px 0;color:var(--blue-deep)}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.lang-link{min-width:44px;text-align:center;font-weight:700;color:var(--blue-deep)}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;background:var(--blue);color:#fff;border-radius:8px;padding:10px 18px;font-weight:700;border:1px solid var(--blue);transition:.18s}.download-btn:hover,.download-btn:focus-visible{background:var(--blue-deep);border-color:var(--blue-deep);outline:3px solid rgba(63,143,229,.18)}.download-btn.large{min-height:52px;padding:13px 24px}.mobile-menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:8px;color:var(--ink)}.mobile-menu{position:fixed;inset:0;background:#fff;z-index:1500;display:none;overflow:auto}.mobile-menu.active{display:block}.mobile-menu-top{height:74px;padding:12px 20px;display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line)}.mobile-menu-top img{width:140px}.mobile-menu-top>a:first-child{margin-right:auto}.mobile-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:28px}.mobile-menu-body{padding:8px 20px}.mobile-nav-group{border-bottom:1px solid var(--line)}.mobile-accordion{width:100%;min-height:52px;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink);padding:8px 0}.mobile-subnav{display:none;padding:0 0 14px}.mobile-nav-group.open .mobile-subnav{display:grid}.mobile-subnav a{min-height:44px;display:flex;align-items:center;padding:4px 10px;background:var(--soft);margin:2px 0}.mobile-menu-foot{padding:18px 20px 30px;display:grid;gap:10px}.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--blue-deep);margin:0 0 12px}.hero{padding:74px 0 56px;background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}.hero-grid{display:grid;grid-template-columns:55% 45%;align-items:center;min-height:620px}.hero-copy{padding-right:7vw}.hero h1{font-size:clamp(42px,5vw,72px);line-height:1.08;letter-spacing:-.035em;color:var(--ink);margin:0 0 22px;max-width:820px}.hero-subtitle{font-size:20px;color:var(--blue-deep);font-weight:700}.hero-copy>p:not(.eyebrow):not(.hero-subtitle){font-size:17px}.hero-actions{display:flex;gap:18px;align-items:center;margin:28px 0 12px}.text-btn{color:var(--blue-deep);font-weight:800}.hero-minor-links{display:flex;gap:22px;font-size:14px;margin-bottom:22px}.capability-tags{display:flex;flex-wrap:wrap;gap:8px}.capability-tags span{background:var(--tag);color:var(--blue-deep);padding:5px 9px;border-radius:5px;font-size:12px}.hero-visual{min-height:590px;display:flex;justify-content:center;align-items:center;position:relative;background:var(--soft2);border-radius:34px 8px 34px 8px;overflow:hidden}.hero-visual img{max-height:560px;width:auto;position:relative;z-index:2}.hero-shape{position:absolute;border:1px solid rgba(63,143,229,.32);transform:rotate(18deg)}.shape-a{width:340px;height:340px;right:-110px;top:-70px}.shape-b{width:250px;height:250px;left:-90px;bottom:-80px}.section-head{max-width:780px;margin-bottom:34px}.section-head.compact{margin-bottom:20px}.section-head h2,.inner-hero h1,.final-cta h2{color:var(--ink);line-height:1.15;margin:0;font-size:clamp(30px,3.4vw,48px);letter-spacing:-.025em}.section-head.row{max-width:none;display:flex;align-items:end;justify-content:space-between}.task-nav{padding:54px 0}.task-lines{border-top:1px solid var(--line)}.task-lines a{display:grid;grid-template-columns:70px 1fr 30px;gap:16px;align-items:center;padding:22px 8px;border-bottom:1px solid var(--line)}.task-lines a:nth-child(even){padding-left:8vw}.task-lines a:hover{background:var(--soft)}.task-num{font-weight:800;color:var(--blue);font-size:13px}.task-lines strong{font-size:18px;color:var(--ink)}.task-lines p{margin:2px 0 0;font-size:14px}.wallet-showcase{padding:82px 0;background:var(--soft)}.mosaic{display:grid;grid-template-columns:1.4fr .8fr 1fr;grid-template-rows:auto auto;gap:18px}.mosaic article{background:#fff;border:1px solid var(--line);padding:28px;border-radius:14px}.mosaic h3{color:var(--ink);font-size:24px;margin:5px 0 12px}.mosaic-wide{grid-column:1/3;display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:24px}.mosaic-wide img{max-height:300px}.mosaic-tall{grid-column:3;grid-row:1/3}.mosaic-tall img{max-height:410px;margin:0 auto 16px}.mosaic-small{grid-column:1}.mosaic-mid{grid-column:2}.mosaic-security{grid-column:1/3;display:grid;grid-template-columns:.75fr 1fr;align-items:center;gap:24px}.mosaic-security img{max-height:220px}.network-stage{padding:88px 0}.network-grid{display:grid;grid-template-columns:230px 1fr;gap:40px}.network-tabs{display:flex;flex-direction:column;border-left:1px solid var(--line)}.network-tabs button{text-align:left;border:0;border-left:3px solid transparent;background:transparent;padding:14px 18px;color:var(--muted);font-weight:700;cursor:pointer}.network-tabs button[aria-selected=true]{border-left-color:var(--blue);color:var(--blue-deep);background:var(--soft)}.network-panel{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:40px;padding-bottom:30px}.network-panel h2{font-size:38px;color:var(--ink);margin:0 0 14px;line-height:1.15}.network-panel img{max-height:330px;margin:auto}.js .network-panel{display:none}.js .network-panel.active{display:grid}.steps{padding:82px 0;background:var(--soft)}.step-line{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 90px;position:relative}.step-line:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line)}.step-line li{display:flex;gap:18px;padding:28px 0;position:relative}.step-line li:nth-child(even){grid-column:2}.step-line li:nth-child(odd){grid-column:1}.step-line li:nth-child(odd):after,.step-line li:nth-child(even):before{content:"";position:absolute;top:46px;width:45px;border-top:1px solid var(--line)}.step-line li:nth-child(odd):after{right:-45px}.step-line li:nth-child(even):before{left:-45px}.step-line li>span{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--blue);color:var(--blue-deep);border-radius:50%;flex:0 0 auto}.step-line h3{margin:0;color:var(--ink)}.step-line p{margin:4px 0}.web3-flow{padding:88px 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:9vw;align-items:start}.section-head.left{margin:0}.flow-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.flow-list li{display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line);padding:14px 0}.flow-list span{width:34px;color:var(--blue);font-weight:800}.security-feature{padding:92px 0;background:var(--navy);color:#d7e9fb}.security-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:7vw;align-items:center}.security-feature h2{color:#fff;font-size:clamp(34px,4vw,54px);line-height:1.15;margin:0 0 22px}.security-feature .eyebrow{color:#a8d2fb}.light-link{color:#fff;font-weight:800}.security-check{background:rgba(255,255,255,.08);padding:28px;border:1px solid rgba(255,255,255,.16)}.security-check img{background:#fff;border-radius:8px;margin-bottom:20px}.security-check ul{padding-left:20px}.academy-editorial{padding:92px 0}.editorial-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:70px}.feature-article{padding-right:40px;border-right:1px solid var(--line)}.feature-article h2{font-size:42px;line-height:1.14;color:var(--ink);margin:0 0 20px}.article-index{border-top:1px solid var(--line)}.article-index a{display:block;padding:15px 0;border-bottom:1px solid var(--line)}.article-index span{font-size:11px;color:var(--muted);text-transform:uppercase}.article-index strong{display:block;color:var(--ink)}.article-index p{margin:4px 0 0;font-size:13px}.staking-knowledge{padding:86px 0;background:var(--soft)}.staking-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px}.staking-grid article h2{font-size:42px;color:var(--ink);margin:0 0 18px}.staking-grid aside{border-left:4px solid var(--blue);background:#fff;padding:28px 34px}.staking-grid aside h3{color:var(--ink);font-size:24px}.updates{padding:84px 0}.update-list{border-top:1px solid var(--line)}.update-list a{display:grid;grid-template-columns:160px 1fr 30px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.update-list span{color:var(--muted);font-size:12px}.update-list strong{color:var(--ink)}.home-faq{padding:86px 0;background:var(--soft)}.faq-list{max-width:960px;margin-bottom:28px}.faq-item{border-bottom:1px solid var(--line)}.faq-item h3{margin:0}.faq-item button{width:100%;min-height:56px;background:transparent;border:0;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:800;cursor:pointer}.faq-answer{padding:0 46px 16px 0}.js .faq-item button[aria-expanded=false]+.faq-answer,.js .faq-item h3:has(button[aria-expanded=false])+.faq-answer{display:none}.final-cta{padding:66px 0;background:var(--soft2)}.final-cta-row{display:flex;align-items:center;justify-content:space-between;gap:40px}.final-cta-row>div{max-width:760px}.inner-hero{padding:64px 0 52px;background:var(--soft)}.inner-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.breadcrumbs{display:flex;gap:8px;font-size:12px;color:var(--muted);margin-bottom:20px}.inner-hero h1{font-size:clamp(40px,5vw,64px);margin-bottom:18px}.lead{font-size:18px}.hero-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px}.hero-links a{color:var(--blue-deep);font-weight:700}.inner-visual{background:#fff;border:1px solid var(--line);padding:24px}.inner-visual img{max-height:390px;margin:auto}.principle-panel{background:var(--navy);color:#d8e9f9;padding:34px}.principle-panel span{font-size:12px;text-transform:uppercase;letter-spacing:.12em}.principle-panel strong{display:block;color:#fff;font-size:28px;line-height:1.25;margin:12px 0}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:70px;padding-top:70px;padding-bottom:90px}.article-content{min-width:0}.article-content>section{margin-bottom:54px}.article-content h2{color:var(--ink);font-size:34px;line-height:1.2;margin:0 0 20px}.article-content h3{color:var(--ink);font-size:22px;margin:24px 0 10px}.article-content p{font-size:16px;margin:0 0 16px}.prep-block{background:var(--soft);border-left:4px solid var(--blue);padding:26px 30px}.check-list{padding-left:22px}.article-callout{background:var(--navy);color:#d8e9f9;padding:26px 30px;margin:20px 0 54px}.article-callout strong{color:#fff;font-size:20px}.related-reading{border-top:1px solid var(--line);padding-top:30px}.related-lines{border-top:1px solid var(--line)}.related-lines a{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line);color:var(--ink)}.toc{align-self:start;position:sticky;top:116px}.toc-links{border-left:1px solid var(--line);display:grid}.toc-links strong{padding:0 0 10px 16px;font-size:13px;color:var(--muted)}.toc-links a{padding:7px 0 7px 16px;font-size:13px;color:var(--muted);border-left:2px solid transparent;margin-left:-1px}.toc-links a.active{color:var(--blue-deep);border-left-color:var(--blue)}.toc-mobile-toggle{display:none}.site-footer{background:var(--footer);color:#cdddec;padding:64px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:50px}.footer-brand img{width:155px;filter:brightness(0) invert(1);margin-bottom:18px}.footer-grid h2{color:#fff;font-size:15px}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:9px}.footer-grid a{font-size:13px}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px}.footer-bottom>div{display:flex;gap:16px;white-space:nowrap}.maintenance{min-height:100vh;display:grid;place-items:center;background:var(--soft);padding:24px}.maintenance-box{max-width:680px;background:#fff;border:1px solid var(--line);padding:48px}.maintenance-box img{width:170px;margin-bottom:30px}.maintenance-box h1{color:var(--ink);font-size:38px}.maintenance-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.plain-btn{min-height:44px;padding:10px 16px;border:1px solid var(--line);border-radius:8px;color:var(--blue-deep);font-weight:700}@media(max-width:1120px){.desktop-nav{display:none}.mobile-menu-btn{display:block}.header-row{height:70px}.brand{margin-right:auto}.hero-grid{grid-template-columns:1fr 1fr}.hero-copy{padding-right:3vw}.hero h1{font-size:48px}.mosaic{grid-template-columns:1fr 1fr}.mosaic-wide,.mosaic-security{grid-column:1/3}.mosaic-tall{grid-column:2;grid-row:auto}.mosaic-small{grid-column:1}.mosaic-mid{grid-column:1/3}.article-shell{gap:40px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}@media(max-width:768px){.wrap{width:min(calc(100% - 28px),var(--wrap))}.security-strip{font-size:12px}.security-strip .wrap{padding:6px 0;line-height:1.45}.header-actions>.download-btn{padding:8px 11px;font-size:12px}.lang-link{font-size:13px}.hero{padding-top:46px}.hero-grid{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:0}.hero h1{font-size:42px}.hero-subtitle{font-size:17px}.hero-visual{min-height:410px;margin-top:38px;border-radius:24px 6px}.hero-visual img{max-height:390px}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .text-btn{min-height:44px;display:flex;align-items:center}.task-lines a,.task-lines a:nth-child(even){padding:18px 0;grid-template-columns:42px 1fr 20px}.mosaic{display:block}.mosaic article{margin-bottom:14px}.mosaic-wide,.mosaic-security{display:block}.mosaic-wide img,.mosaic-security img{margin-top:20px}.network-grid{grid-template-columns:1fr;gap:24px}.network-tabs{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);scrollbar-width:none}.network-tabs button{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;min-height:48px}.network-tabs button[aria-selected=true]{border-bottom-color:var(--blue)}.network-panel,.js .network-panel.active{grid-template-columns:1fr}.network-panel h2{font-size:32px}.network-panel img{order:-1}.step-line{grid-template-columns:1fr;padding-left:22px}.step-line:before{left:21px}.step-line li,.step-line li:nth-child(even),.step-line li:nth-child(odd){grid-column:1;padding:22px 0 22px 28px}.step-line li:nth-child(odd):after,.step-line li:nth-child(even):before{display:none}.step-line li>span{margin-left:-49px;background:#fff}.two-col,.security-grid,.editorial-grid,.staking-grid,.inner-hero-grid{grid-template-columns:1fr}.feature-article{border-right:0;border-bottom:1px solid var(--line);padding:0 0 30px}.feature-article h2,.staking-grid article h2{font-size:34px}.update-list a{grid-template-columns:1fr 26px;gap:6px}.update-list span{grid-column:1}.update-list strong{grid-column:1}.update-list b{grid-column:2;grid-row:1/3}.final-cta-row{display:block}.final-cta-row .download-btn{margin-top:20px}.article-shell{grid-template-columns:1fr;padding-top:36px}.toc{grid-row:1;position:static}.toc-mobile-toggle{display:flex;width:100%;min-height:48px;align-items:center;justify-content:space-between;background:var(--soft);border:1px solid var(--line);padding:8px 12px;color:var(--ink);font-weight:800}.toc-links{display:none;border:1px solid var(--line);border-top:0;padding:12px}.toc.open .toc-links{display:grid}.article-content h2{font-size:29px}.footer-grid{grid-template-columns:1fr 1fr;gap:34px}.footer-brand{grid-column:1/3}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom>div{margin-top:12px}.inner-hero{padding-top:38px}.principle-panel{padding:26px}.maintenance-box{padding:30px 22px}}@media(max-width:430px){.header-row{gap:8px}.brand{width:118px;flex-basis:118px}.brand img{width:118px}.header-actions{gap:5px}.header-actions>.download-btn{padding:7px 8px}.hero h1{font-size:36px}.hero-visual{min-height:350px}.hero-visual img{max-height:330px}.section-head h2{font-size:32px}.task-lines p{font-size:13px}.wallet-showcase,.network-stage,.steps,.web3-flow,.academy-editorial,.staking-knowledge,.updates,.home-faq{padding:62px 0}.security-feature{padding:70px 0}.footer-grid{grid-template-columns:1fr}.footer-brand,.footer-grid>div:last-child{grid-column:1}.footer-bottom>div{white-space:normal;flex-wrap:wrap}.maintenance-actions{flex-direction:column}}