:root{--bg:#fff;--soft:#f5f8fc;--soft2:#edf4fb;--blue:#3f8fe5;--blue2:#245f9e;--deep:#153f66;--text:#16283c;--body:#43566a;--muted:#718296;--line:#dce7f2;--tag:#eaf4ff;--footer:#123958;--max:1240px;--shadow:0 18px 50px rgba(29,86,140,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;color:var(--body);font:16px/1.72 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#fff;overflow-x:hidden}img,svg{max-width:100%;height:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;z-index:9999;background:#fff;padding:10px 16px;border:2px solid var(--blue)}a{color:var(--blue2);text-decoration:none}a:hover{text-decoration:underline}button,a{touch-action:manipulation}.safety-strip{background:var(--soft2);color:#35536f;text-align:center;padding:8px 16px;font-size:13px;border-bottom:1px solid var(--line)}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(220,231,242,.9)}.header-inner{max-width:var(--max);margin:auto;height:78px;padding:0 24px;display:flex;align-items:center;gap:26px}.brand{display:inline-flex;align-items:center;flex:0 0 auto}.brand img{width:154px;max-height:44px;object-fit:contain}.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:2px;flex:1;height:100%}.nav-group{display:flex;align-items:center;position:relative}.mega-trigger{height:44px;border:0;background:transparent;padding:0 12px;color:var(--text);font-weight:650;cursor:pointer}.mega-trigger span{margin-left:6px;color:var(--muted)}.mega-trigger:focus-visible,.mobile-menu-btn:focus-visible,.mobile-close:focus-visible,.faq-q:focus-visible,.network-tab:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:2px}.mega-menu{position:fixed;left:50%;top:calc(78px + 33px);transform:translateX(-50%) translateY(-8px);width:min(1120px,calc(100vw - 48px));background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;grid-template-columns:1.1fr 1.6fr 1.1fr;gap:0;border-radius:16px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease;overflow:hidden}.nav-group.open .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.mega-intro,.mega-links,.mega-feature{padding:28px}.mega-intro{background:var(--soft)}.mega-intro strong{display:block;color:var(--text);font-size:21px}.mega-intro p{font-size:14px}.mega-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}.mega-links a{padding:8px 0;border-bottom:1px solid #eef3f8;color:var(--text)}.mega-feature{border-left:1px solid var(--line)}.mega-feature>a{display:block;padding:10px 0}.mega-feature small{display:block;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:12px;color:var(--blue2);font-weight:700}.header-actions{display:flex;align-items:center;gap:10px}.lang-link{min-width:40px;text-align:center;color:var(--text);font-weight:650}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;background:var(--blue2);color:#fff!important;font-weight:700;text-decoration:none!important}.download-btn:hover{background:#1d568c}.mobile-menu-btn{display:none;width:44px;height:44px;border:0;background:#fff}.mobile-menu-btn span{display:block;width:20px;height:2px;background:var(--text);margin:4px auto}.mobile-menu{position:fixed;inset:0;z-index:2000;background:#fff;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .25s ease;visibility:hidden}.mobile-menu.open{transform:translateX(0);visibility:visible}.mobile-menu-head{height:72px;padding:0 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px}.mobile-menu-head .brand{margin-right:auto}.mobile-menu-head .brand img{width:138px}.mobile-close{width:44px;height:44px;border:0;background:transparent;font-size:30px;color:var(--text)}.mobile-menu-body{flex:1;overflow:auto;padding:10px 18px}.mobile-accordion>button{width:100%;height:52px;border:0;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--text);font-weight:750;font-size:17px}.mobile-accordion>div{display:none;padding:8px 0 14px}.mobile-accordion.open>div{display:grid;grid-template-columns:1fr 1fr}.mobile-accordion a{padding:9px 8px;color:var(--body)}.mobile-menu-foot{border-top:1px solid var(--line);padding:14px 18px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.no-scroll{overflow:hidden}.container{max-width:var(--max);margin:auto;padding:0 24px}.section{padding:82px 0}.section.soft{background:var(--soft)}.section.soft2{background:var(--soft2)}.section.deep{background:var(--deep);color:#d9eafd}.section.deep h2,.section.deep h3{color:#fff}.section.deep a{color:#fff}.kicker{display:inline-block;color:var(--blue2);font-size:13px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;margin-bottom:10px}.hero{padding:70px 0 76px;background:linear-gradient(110deg,#fff 0 57%,#f2f7fc 57% 100%)}.hero-grid{max-width:var(--max);margin:auto;padding:0 24px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.1;letter-spacing:-.035em;color:var(--text);margin:12px 0 18px}.hero-sub{font-size:20px;color:var(--blue2);font-weight:700}.hero p{font-size:18px;max-width:720px}.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:28px 0}.text-link{font-weight:700}.hero-tags{display:flex;gap:8px 12px;flex-wrap:wrap;color:#4f657a;font-size:14px}.hero-tags span{padding:6px 10px;background:var(--tag);border-radius:8px}.hero-visual{position:relative;min-height:470px;display:flex;align-items:center;justify-content:center}.hero-visual:before,.hero-visual:after{content:"";position:absolute;border:1px solid #c7ddf2;transform:rotate(10deg)}.hero-visual:before{width:80%;height:78%;border-radius:34px}.hero-visual:after{width:58%;height:90%;border-radius:24px;transform:rotate(-8deg)}.hero-visual img{position:relative;z-index:2;max-height:520px;object-fit:contain;filter:drop-shadow(0 24px 35px rgba(21,63,102,.18))}.task-strip{max-width:var(--max);margin:-30px auto 0;padding:0 24px;position:relative;z-index:3}.task-inner{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;grid-template-columns:1.15fr .9fr 1.15fr .9fr 1.15fr;border-radius:16px;overflow:hidden}.task-item{padding:24px 22px;border-right:1px solid var(--line)}.task-item:last-child{border-right:0}.task-no{font-size:12px;color:var(--blue2);font-weight:800}.task-item strong{display:block;color:var(--text);margin:4px 0}.task-item p{font-size:14px;margin:0 0 8px}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:36px}.section-head h2{font-size:clamp(30px,3vw,44px);line-height:1.15;color:var(--text);margin:0}.section-head p{max-width:590px;margin:0}.mosaic{display:grid;grid-template-columns:1.35fr .9fr .9fr;grid-template-rows:auto auto;gap:18px}.mosaic>article{border:1px solid var(--line);border-radius:16px;padding:26px;background:#fff}.mosaic .wide{grid-row:span 2;background:var(--soft)}.mosaic .app-panel{grid-column:span 2;display:grid;grid-template-columns:1fr 210px;align-items:center;overflow:hidden}.mosaic img{max-height:220px;object-fit:contain;margin:auto}.mosaic h3{color:var(--text);margin-top:0}.network-stage{display:grid;grid-template-columns:280px 1fr;gap:34px}.network-tabs{display:flex;flex-direction:column;gap:8px}.network-tab{border:1px solid transparent;background:transparent;text-align:left;padding:14px 16px;border-radius:10px;color:var(--body);font-weight:700}.network-tab[aria-selected="true"]{background:#fff;border-color:var(--line);color:var(--blue2);box-shadow:0 6px 20px rgba(21,63,102,.06)}.network-panels{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px}.network-panel{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center}.network-panel[hidden]{display:none}.network-panel img{max-height:270px;margin:auto}.steps{position:relative;max-width:920px;margin:auto}.step{display:grid;grid-template-columns:1fr 80px 1fr;min-height:128px;align-items:start}.step:nth-child(odd) .step-copy{grid-column:1}.step:nth-child(even) .step-copy{grid-column:3}.step:nth-child(even) .step-no{grid-column:2}.step-copy{background:#fff;border:1px solid var(--line);padding:18px 20px;border-radius:14px}.step-copy h3{margin:0;color:var(--text)}.step-no{grid-column:2;grid-row:1;justify-self:center;width:52px;height:52px;border-radius:50%;background:var(--blue2);color:#fff;display:grid;place-items:center;font-weight:800}.steps:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:#bdd4e9}.web3-process{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:start}.process-list{counter-reset:web3;border-left:2px solid #b7d2eb;padding-left:28px}.process-list li{list-style:none;counter-increment:web3;margin:0 0 18px;position:relative}.process-list li:before{content:counter(web3);position:absolute;left:-45px;top:0;width:30px;height:30px;border-radius:50%;background:var(--blue2);color:#fff;display:grid;place-items:center;font-size:12px}.security-split{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.security-visual img{max-height:310px;display:block;margin:0 auto 28px}.security-checks{display:grid;grid-template-columns:1fr 1fr;gap:10px}.security-checks span{border:1px solid rgba(255,255,255,.18);padding:12px;border-radius:10px}.editorial{display:grid;grid-template-columns:1.25fr .75fr;gap:44px}.featured-article{padding-right:30px;border-right:1px solid var(--line)}.article-index article{padding:0 0 18px;margin:0 0 18px;border-bottom:1px solid var(--line)}.article-index h3{font-size:18px;margin:4px 0;color:var(--text)}.staking-split{display:grid;grid-template-columns:1fr 1fr;gap:30px}.staking-split article{padding:28px;border-top:3px solid var(--blue2);background:#fff}.updates{border-top:1px solid var(--line)}.update-row{display:grid;grid-template-columns:150px 1fr 90px;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.update-row .tag{color:var(--blue2);font-weight:700}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;border:0;background:transparent;padding:19px 0;display:flex;justify-content:space-between;gap:20px;text-align:left;font-size:18px;color:var(--text);font-weight:750}.faq-a{padding:0 40px 20px 0}.js .faq-a{display:none}.js .faq-item.open .faq-a{display:block}.cta{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;background:var(--soft2);border:1px solid var(--line);border-radius:20px;padding:38px}.cta h2{margin:0 0 8px;color:var(--text)}.site-footer{background:var(--footer);color:#c8dbed;padding:58px 24px 24px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:42px}.footer-grid>div{display:flex;flex-direction:column;gap:9px}.footer-grid strong{color:#fff;margin-bottom:6px}.footer-grid a{color:#d7e8f7}.footer-brand img{width:150px;filter:brightness(0) invert(1);opacity:.96}.footer-warning{color:#fff}.footer-bottom{max-width:var(--max);margin:42px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;gap:24px;justify-content:space-between;font-size:13px}.footer-bottom a{color:#fff}.page-hero{padding:62px 0 48px;background:var(--soft)}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:14px}.page-hero h1{font-size:clamp(36px,5vw,58px);line-height:1.1;color:var(--text);margin:0 0 16px}.page-hero p{max-width:820px;font-size:18px}.article-shell{max-width:var(--max);padding:60px 24px 86px;margin:auto;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:64px}.article-body h2{font-size:31px;line-height:1.2;color:var(--text);margin:54px 0 15px;scroll-margin-top:110px}.article-body h2:first-child{margin-top:0}.article-body h3{color:var(--text);margin-top:26px}.article-body p{margin:0 0 18px}.article-body ul,.article-body ol{padding-left:22px}.callout{border-left:4px solid var(--blue2);background:var(--soft2);padding:18px 20px;margin:26px 0}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0}.checklist div{background:var(--soft);border:1px solid var(--line);padding:14px;border-radius:10px}.toc{position:sticky;top:118px;align-self:start;border-left:1px solid var(--line);padding-left:20px}.toc strong{color:var(--text)}.toc a{display:block;padding:7px 0;color:var(--muted);font-size:14px}.toc a.active{color:var(--blue2);font-weight:700}.mobile-toc{display:none}.page-type-security .page-hero{background:#edf4fb}.page-type-security .article-body h2{border-left:4px solid var(--blue2);padding-left:14px}.page-type-tutorial .article-body{counter-reset:sec}.page-type-tutorial .article-body h2{counter-increment:sec}.page-type-tutorial .article-body h2:before{content:counter(sec,decimal-leading-zero) " ";color:var(--blue)}.page-type-service .article-body h2{border-bottom:1px solid var(--line);padding-bottom:10px}.glossary-table{width:100%;border-collapse:collapse}.glossary-table th,.glossary-table td{border-bottom:1px solid var(--line);padding:12px;text-align:left}.glossary-table th{color:var(--text);background:var(--soft)}@media(max-width:1120px){.desktop-nav{display:none}.mobile-menu-btn{display:block}.header-inner{height:70px}.header-actions{margin-left:auto}.mega-menu{display:none}.hero{background:#fff}.hero-grid{grid-template-columns:1fr .8fr}.task-inner{grid-template-columns:1fr 1fr 1fr}.task-item{border-bottom:1px solid var(--line)}.mosaic{grid-template-columns:1fr 1fr}.mosaic .wide{grid-row:auto}.mosaic .app-panel{grid-column:span 2}.article-shell{grid-template-columns:1fr 220px;gap:38px}}@media(max-width:820px){.section{padding:58px 0}.hero{padding:50px 0}.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:360px;order:2}.hero-visual img{max-height:390px}.task-strip{margin-top:0}.task-inner{grid-template-columns:1fr 1fr}.section-head{align-items:start;flex-direction:column}.mosaic{grid-template-columns:1fr}.mosaic .app-panel{grid-column:auto;grid-template-columns:1fr 160px}.network-stage{grid-template-columns:1fr}.network-tabs{flex-direction:row;overflow-x:auto;padding-bottom:8px}.network-tab{white-space:nowrap;flex:0 0 auto}.network-panel{grid-template-columns:1fr}.web3-process,.security-split,.editorial,.staking-split{grid-template-columns:1fr}.featured-article{padding-right:0;border-right:0;border-bottom:1px solid var(--line);padding-bottom:26px}.update-row{grid-template-columns:110px 1fr}.update-row>a{display:none}.article-shell{display:block;padding-top:34px}.toc{display:none}.mobile-toc{display:block;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:30px}.mobile-toc summary{font-weight:700;color:var(--text)}.mobile-toc a{display:block;padding:7px 0}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.cta{grid-template-columns:1fr}.steps:before{left:25px}.step{display:grid;grid-template-columns:52px 1fr;gap:14px;min-height:120px}.step .step-no,.step:nth-child(even) .step-no{grid-column:1;grid-row:1}.step .step-copy,.step:nth-child(odd) .step-copy,.step:nth-child(even) .step-copy{grid-column:2;grid-row:1}.security-checks,.checklist{grid-template-columns:1fr}}@media(max-width:520px){.container,.hero-grid,.task-strip,.article-shell{padding-left:18px;padding-right:18px}.safety-strip{text-align:left}.header-inner{padding:0 14px;gap:8px}.brand img{width:130px}.header-actions .download-btn{padding:0 12px;font-size:13px}.hero h1{font-size:38px}.hero-sub{font-size:17px}.hero p{font-size:16px}.hero-visual{min-height:310px}.task-inner{grid-template-columns:1fr}.task-item{border-right:0}.mosaic .app-panel{grid-template-columns:1fr}.mosaic .app-panel img{max-height:190px}.footer-grid{grid-template-columns:1fr}.update-row{grid-template-columns:1fr}.mobile-accordion.open>div{grid-template-columns:1fr}.section-head h2{font-size:31px}.article-body h2{font-size:27px}.page-hero{padding:44px 0 34px}.page-hero h1{font-size:37px}}