:root{
  --blue:#3f8fe5;--blue-dark:#245f9e;--navy:#16283c;--text:#43566a;--muted:#718296;--line:#dce7f2;--soft:#f5f8fc;--soft-2:#edf4fb;--pale:#eaf4ff;--footer:#163f69;--shadow:0 16px 42px rgba(42,93,145,.10);--radius:24px;--container:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.menu-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a{touch-action:manipulation}.container{width:var(--container);margin-inline:auto}.skip-link{position:fixed;left:18px;top:-80px;z-index:9999;background:#fff;color:var(--navy);padding:12px 18px;border-radius:8px;box-shadow:var(--shadow)}.skip-link:focus{top:18px}.security-strip{background:#e9f3ff;color:#285982;font-size:13px;line-height:1.45;padding:8px 0}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(220,231,242,.9);backdrop-filter:blur(16px)}.header-row{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:174px;max-height:48px;object-fit:contain}.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:5px;flex:1;height:100%}.nav-group{display:flex;align-items:center}.nav-trigger,.nav-link{position:relative;border:0;background:transparent;color:#2c4054;padding:0 15px;height:100%;display:flex;align-items:center;gap:6px;cursor:pointer;font-weight:650}.nav-trigger:after,.nav-link:after{content:"";position:absolute;height:3px;left:14px;right:14px;bottom:0;background:var(--blue);transform:scaleX(0);transition:.2s}.nav-trigger:hover:after,.nav-trigger:focus-visible:after,.nav-trigger.is-current:after,.nav-link:hover:after,.nav-link.is-current:after{transform:scaleX(1)}.nav-trigger:focus-visible,.nav-link:focus-visible,.download-btn:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(63,143,229,.28);outline-offset:3px}.mega-menu{position:absolute;left:50%;top:76px;transform:translateX(-50%);width:min(1080px,calc(100vw - 40px));display:grid;grid-template-columns:1.1fr 1.7fr .8fr;gap:30px;padding:32px;background:#fff;border:1px solid var(--line);box-shadow:0 24px 60px rgba(22,63,105,.16);border-radius:0 0 24px 24px}.mega-menu[hidden]{display:none}.mega-menu__intro h2{margin:.15em 0 .3em;color:var(--navy);font-size:26px}.mega-menu__intro p{margin:0 0 12px}.mega-menu__intro>a{color:var(--blue-dark);font-weight:700}.mega-menu__links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mega-menu__links a{padding:14px 16px;border-radius:14px;border:1px solid transparent}.mega-menu__links a:hover,.mega-menu__links a:focus-visible{background:var(--soft);border-color:var(--line)}.mega-menu__links span{display:block;color:var(--navy);font-weight:700}.mega-menu__links small{color:var(--muted)}.mega-menu__featured{align-self:stretch;background:var(--navy);color:#fff;border-radius:18px;padding:20px;display:flex;flex-direction:column;justify-content:flex-end}.mega-menu__featured small{color:#a7c9ec}.mega-menu__featured strong{font-size:18px;margin:6px 0}.mega-menu__featured span{font-size:24px}.header-actions{display:flex;align-items:center;gap:10px}.download-btn{min-height:44px;padding:11px 20px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:var(--blue);color:#fff;font-weight:750;box-shadow:0 10px 24px rgba(63,143,229,.22);position:relative;z-index:2}.download-btn:hover{background:#2d7fd2}.menu-toggle{display:none;width:44px;height:44px;border:0;border-radius:12px;background:var(--soft);padding:11px;position:relative;z-index:3}.menu-toggle span{display:block;height:2px;background:var(--navy);margin:4px 0;border-radius:2px}.mobile-menu{position:fixed;inset:0;z-index:2000;background:#fff;opacity:0;transform:translateY(-12px);transition:.18s}.mobile-menu.is-open{opacity:1;transform:none}.mobile-menu[hidden]{display:none}.mobile-menu__top{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line)}.mobile-menu__close{width:46px;height:46px;border:0;border-radius:14px;background:var(--soft);font-size:30px;color:var(--navy)}.mobile-menu__body{height:calc(100vh - 78px);overflow:auto;padding:14px 20px 36px}.mobile-group{border-bottom:1px solid var(--line)}.mobile-group>button{width:100%;min-height:58px;border:0;background:#fff;display:flex;align-items:center;justify-content:space-between;color:var(--navy);font-weight:800;padding:8px 2px}.mobile-group>button b{font-size:24px}.mobile-group>div{padding:0 0 12px 16px}.mobile-group>div[hidden]{display:none}.mobile-group a{display:block;padding:10px 0;color:var(--text)}.mobile-menu__base{display:grid;gap:12px;padding-top:24px}.mobile-menu__base>a:not(.download-btn){font-weight:700;color:var(--navy)}
.eyebrow{margin:0 0 8px;color:var(--blue-dark);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero{padding:82px 0 62px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}.hero-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:center}.hero-visual{background:linear-gradient(145deg,#eaf4ff,#f8fbff);border:1px solid #dcecff;border-radius:36px;min-height:530px;display:flex;align-items:flex-end;justify-content:center;padding:38px 30px 0;position:relative;overflow:hidden}.hero-visual:before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(63,143,229,.12);top:-80px;right:-70px}.hero-visual img{max-height:500px;object-fit:contain;position:relative}.hero h1{font-size:clamp(42px,5vw,68px);line-height:1.08;letter-spacing:-.045em;color:var(--navy);margin:12px 0 22px}.hero-subtitle{font-size:20px;color:var(--blue-dark);font-weight:750;margin:0 0 14px}.hero-copy>p:not(.eyebrow):not(.hero-subtitle){font-size:17px;max-width:760px}.hero-actions{display:flex;align-items:center;gap:14px;margin:28px 0 22px}.secondary-link{min-height:44px;padding:10px 16px;display:inline-flex;align-items:center;font-weight:750;color:var(--navy)}.capability-tags{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}.capability-tags span{background:var(--pale);color:#2d679f;border-radius:8px;padding:7px 10px;font-size:13px;font-weight:700}.hero-links{display:flex;flex-wrap:wrap;gap:18px}.hero-links a{color:var(--blue-dark);font-weight:700;border-bottom:1px solid #b8d8f7}.section{padding:86px 0}.section-soft{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.15;color:var(--navy);margin:0}.section-head p{max-width:560px;margin:0}.task-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.task-item{padding:28px 24px;min-height:235px;border-right:1px solid var(--line)}.task-item:last-child{border-right:0}.task-number{color:#9ab4cd;font-weight:800;font-size:14px}.task-item h3{color:var(--navy);font-size:22px;margin:32px 0 8px}.task-item a{color:var(--blue-dark);font-weight:800}.bento-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}.bento-item{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;min-height:220px;position:relative;overflow:hidden}.bento-item h3{color:var(--navy);font-size:25px;margin:0 0 8px}.bento-item a{color:var(--blue-dark);font-weight:800}.bento-item--large{grid-row:span 2;display:grid;grid-template-rows:auto 1fr}.bento-item--large img{align-self:end;max-height:270px;margin:16px auto 0}.bento-item--wide{grid-column:2/span 2;display:grid;grid-template-columns:1fr .7fr;gap:20px;background:var(--navy);color:#dcecff}.bento-item--wide h3{color:#fff}.bento-item--wide img{max-height:180px;justify-self:end}.bento-item--narrow{background:var(--soft-2)}.process-line{display:grid;grid-template-columns:repeat(6,1fr);position:relative;gap:12px}.process-line:before{content:"";position:absolute;left:5%;right:5%;top:25px;height:1px;background:#b8cfe4}.process-step{position:relative;padding-top:60px}.process-step:before{content:attr(data-step);position:absolute;top:0;left:0;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--blue);color:var(--blue-dark);font-weight:800;z-index:1}.process-step h3{font-size:18px;color:var(--navy);line-height:1.3}.process-step p{font-size:14px}.network-tabs{border:1px solid var(--line);border-radius:28px;background:#fff;overflow:hidden}.tab-list{display:flex;overflow-x:auto;padding:12px;background:var(--soft);gap:8px}.tab-list button{flex:0 0 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var(--line);border-radius:30px;padding:38px}.app-panel h3,.web-panel h3{font-size:30px;color:var(--navy)}.plain-list{padding-left:20px}.staking-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.staking-box{padding:36px;border-top:5px solid var(--blue);background:#fff;box-shadow:var(--shadow)}.staking-box--risk{border-top-color:var(--navy);background:var(--soft)}.staking-box h3{font-size:28px;color:var(--navy)}.timeline{position:relative;margin-left:18px;padding-left:34px;border-left:1px solid #a9c8e6}.timeline-item{position:relative;padding:0 0 32px}.timeline-item:before{content:"";position:absolute;width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--blue);left:-41px;top:6px}.timeline-item small{color:var(--blue-dark);font-weight:800}.timeline-item h3{color:var(--navy);margin:4px 0}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item>button{width:100%;min-height:68px;background:#fff;border:0;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--navy);font-weight:800;font-size:18px;padding:14px 4px;cursor:pointer}.faq-answer{padding:0 50px 22px 4px}.faq-answer[hidden]{display:none}.js .faq-answer{display:block}.js .faq-answer[hidden]{display:none}.final-cta{padding:78px 0;background:linear-gradient(135deg,#e9f4ff,#f7fbff)}.final-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:36px}.final-cta h2{font-size:clamp(32px,4vw,50px);color:var(--navy);margin:0 0 12px}.final-cta__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.inner-hero{padding:68px 0 58px;background:linear-gradient(180deg,#f7fbff,#fff)}.inner-hero__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:64px;align-items:center}.breadcrumb{display:flex;gap:9px;color:var(--muted);font-size:13px;margin-bottom:34px}.breadcrumb a{color:var(--blue-dark)}.inner-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.1;letter-spacing:-.035em;color:var(--navy);margin:8px 0 18px}.inner-hero__summary{font-size:18px;max-width:760px}.inner-hero__visual{margin:0;background:#edf6ff;border-radius:28px;min-height:320px;display:grid;place-items:center;padding:30px}.inner-hero__visual img{max-height:300px}.inner-hero__signal{height:330px;border-radius:32px;background:var(--navy);position:relative;overflow:hidden;display:grid;place-items:center;color:#fff}.inner-hero__signal span{position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:50%}.inner-hero__signal span:nth-child(1){width:280px;height:280px}.inner-hero__signal span:nth-child(2){width:190px;height:190px}.inner-hero__signal span:nth-child(3){width:100px;height:100px}.inner-hero__signal strong{position:relative;font-size:25px}.inner-hero--product .inner-hero__signal{background:linear-gradient(135deg,#e9f4ff,#d6ebff);color:var(--blue-dark)}.inner-hero--networks{background:#f6fbff}.inner-hero--security{background:var(--blue-dark);color:#dfeeff}.inner-hero--security h1,.inner-hero--security .breadcrumb,.inner-hero--security .inner-hero__summary{color:#fff}.inner-hero--security .eyebrow{color:#b9dbfa}.inner-hero--security .inner-hero__visual{background:rgba(255,255,255,.08)}.inner-hero--academy .inner-hero__signal{background:#edf4fb;color:var(--navy);border-radius:160px 160px 30px 30px}.inner-hero--service .inner-hero__signal{background:linear-gradient(145deg,#163f69,#2f79b8)}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:70px;padding-top:70px;padding-bottom:100px}.article-body{min-width:0}.article-section{padding:0 0 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@media (max-width:980px){:root{--container:min(100% - 32px,760px)}.desktop-nav{display:none}.menu-toggle{display:block}.header-row{height:68px}.brand img{width:150px}.header-download{padding-inline:14px}.hero{padding-top:52px}.hero-grid,.inner-hero__grid{grid-template-columns:1fr}.hero-copy{order:-1}.hero-visual{min-height:420px}.task-grid{grid-template-columns:repeat(2,1fr)}.task-item:nth-child(2){border-right:0}.task-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.bento-grid{grid-template-columns:1fr 1fr}.bento-item--large{grid-row:auto;grid-column:1/-1;grid-template-columns:1fr .8fr;grid-template-rows:auto}.bento-item--wide{grid-column:1/-1}.process-line{grid-template-columns:repeat(3,1fr);row-gap:34px}.process-line:before{display:none}.security-grid,.editorial-grid,.compare-grid{grid-template-columns:1fr}.article-shell{grid-template-columns:1fr;gap:0}.desktop-toc{display:none}.mobile-toc-wrap{display:block;padding-top:26px}.mobile-toc{border:1px solid var(--line);border-radius:14px;padding:12px 16px}.mobile-toc summary{color:var(--navy);font-weight:800;cursor:pointer}.mobile-toc nav{display:grid;padding-top:10px}.mobile-toc a{padding:7px 0;color:var(--blue-dark)}.support-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.footer-bottom{flex-wrap:wrap}.inner-hero__visual,.inner-hero__signal{height:auto;min-height:280px}}
@media (max-width:680px){:root{--container:calc(100% - 28px)}.security-strip{font-size:12px}.header-row{gap:10px}.brand img{width:132px}.header-download{font-size:13px;min-height:42px;padding:9px 11px}.hero h1{font-size:42px}.hero-actions,.final-cta__actions{align-items:stretch;flex-direction:column}.hero-actions a,.final-cta__actions a{width:100%}.hero-visual{min-height:340px;border-radius:26px;padding:24px 20px 0}.hero-visual img{max-height:330px}.hero-links{display:grid;gap:8px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}.task-grid{grid-template-columns:1fr}.task-item{border-right:0;border-bottom:1px solid var(--line);min-height:0}.task-item:nth-child(2){border-bottom:1px solid var(--line)}.task-item:last-child{border-bottom:0}.task-item h3{margin-top:18px}.bento-grid{grid-template-columns:1fr}.bento-item,.bento-item--large,.bento-item--wide{grid-column:auto;display:block;min-height:0}.bento-item--large img,.bento-item--wide img{margin:20px auto 0;max-height:210px}.process-line{grid-template-columns:1fr;border-left:1px solid #b8cfe4;margin-left:25px;padding-left:28px}.process-step{padding-top:0;padding-bottom:18px}.process-step:before{left:-54px;top:2px;width:48px;height:48px}.tab-panel{grid-template-columns:1fr;padding:26px}.tab-panel img{order:-1;max-height:210px}.security-grid,.security-checks{grid-template-columns:1fr}.security-checks img{max-height:190px;margin:auto}.feature-story{min-height:340px;padding:28px}.app-panel{grid-template-columns:1fr;padding:26px}.app-panel img{max-height:280px}.staking-grid{grid-template-columns:1fr}.final-cta__inner{display:block}.final-cta__actions{margin-top:24px}.inner-hero{padding:44px 0}.inner-hero h1{font-size:38px}.inner-hero__summary{font-size:16px}.inner-hero__visual{min-height:230px;padding:20px}.inner-hero__signal{min-height:230px}.article-shell{padding-top:48px;padding-bottom:70px}.article-section{padding-bottom:34px;margin-bottom:36px}.related-guides{grid-template-columns:1fr;padding:24px}.support-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{display:grid}.faq-item>button{font-size:16px}.faq-answer{padding-right:4px}}