*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;background:#fff;color:#43566a;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}body.menu-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:#245f9e;text-decoration:none}a:hover{color:#2d7fd2}button,a{touch-action:manipulation}button{font:inherit}h1,h2,h3,h4{margin:0 0 .65em;color:#16283c;line-height:1.22;letter-spacing:-.025em}h1{font-size:clamp(2.35rem,5vw,5rem)}h2{font-size:clamp(1.85rem,3vw,3rem)}h3{font-size:1.25rem}p{margin:0 0 1.1em}.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}.section{padding:104px 0}.eyebrow{margin:0 0 14px;color:#3f8fe5;font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.eyebrow.light{color:#cfe7ff}.lead{font-size:clamp(1.05rem,1.5vw,1.26rem);color:#53677b}.muted{margin-left:12px;color:#718296;font-size:.84rem}.tag{display:inline-block;margin-bottom:13px;padding:5px 10px;border-radius:6px;background:#eaf4ff;color:#245f9e;font-size:.75rem;font-weight:800;letter-spacing:.05em}.fine-print{font-size:.84rem;color:#718296}.download-btn,.secondary-btn,.light-btn{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:11px 22px;border:1px solid transparent;border-radius:8px;font-weight:750;transition:.2s ease}.download-btn{background:#3f8fe5;color:#fff!important;box-shadow:0 10px 24px rgba(63,143,229,.2)}.download-btn:hover{background:#2d7fd2;transform:translateY(-1px)}.secondary-btn{border-color:#cadbec;background:#fff;color:#245f9e}.secondary-btn:hover{border-color:#3f8fe5}.light-btn{border-color:rgba(255,255,255,.45);color:#fff}.light-btn:hover{background:#fff;color:#245f9e}.download-btn:focus-visible,.secondary-btn:focus-visible,.light-btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.safety-strip{position:relative;z-index:90;padding:7px 24px;background:#edf4fb;color:#445f79;text-align:center;font-size:.79rem}.site-header{position:sticky;top:0;z-index:80;border-bottom:1px solid rgba(220,231,242,.9);background:rgba(255,255,255,.94);backdrop-filter:blur(16px)}.header-inner{height:76px;display:grid;grid-template-columns:190px 1fr auto;align-items:center;gap:20px}.brand{display:inline-flex;align-items:center}.brand img{width:160px;max-height:42px;object-fit:contain}.desktop-nav{display:flex;justify-content:center;align-items:stretch;height:100%;gap:2px}.nav-group{position:static;display:flex;align-items:center;height:100%}.nav-trigger,.nav-direct{display:inline-flex;height:100%;align-items:center;border:0;background:none;padding:0 17px;color:#344a60;font-weight:700;cursor:pointer}.nav-group.is-current .nav-trigger,.nav-direct.is-current,.nav-trigger:hover,.nav-direct:hover{color:#2d7fd2}.nav-group.is-current .nav-trigger:after,.nav-direct.is-current:after{content:"";position:absolute;bottom:0;height:3px;background:#3f8fe5;border-radius:3px}.nav-group.is-current .nav-trigger:after{width:34px}.nav-direct{position:relative}.nav-direct.is-current:after{width:34px;left:50%;transform:translateX(-50%)}.mega{position:absolute;top:76px;left:50%;width:min(1080px,calc(100vw - 48px));transform:translate(-50%,-8px);display:grid;grid-template-columns:1.1fr 1.4fr .9fr;gap:40px;padding:38px;border:1px solid #dce7f2;border-radius:0 0 18px 18px;background:#fff;box-shadow:0 20px 48px rgba(42,93,145,.14);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.nav-group.open .mega{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.mega h2{font-size:1.6rem}.mega p{font-size:.91rem}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;align-content:start}.mega-links a{padding:11px 12px;border-bottom:1px solid #edf2f7;color:#344a60}.mega-links a:hover{background:#f5f8fc;color:#2d7fd2}.mega-feature{display:flex;flex-direction:column;justify-content:space-between;min-height:150px;padding:22px;border-radius:12px;background:#edf4fb}.mega-feature span{font-size:.78rem}.mega-feature strong{color:#16283c}.header-actions{display:flex;align-items:center;gap:9px}.header-actions .download-btn{min-height:44px;padding-inline:18px}.menu-toggle{display:none;width:46px;height:46px;border:0;background:transparent;cursor:pointer;padding:10px}.menu-toggle span{display:block;width:24px;height:2px;margin:5px auto;background:#16283c}.mobile-menu{display:none}.section-heading{max-width:760px;margin-bottom:44px}.split-heading{max-width:none;display:flex;align-items:end;justify-content:space-between;gap:60px}.split-heading>p,.split-heading>a{max-width:430px}.home-hero{padding:78px 0 74px;background:linear-gradient(125deg,#f5f8fc 0 43%,#fff 43%)}.hero-grid{display:grid;grid-template-columns:42% 58%;align-items:center;gap:78px}.phone-stage{margin:0;padding:50px 40px;border-radius:38px 10px 38px 10px;background:#eaf4ff;box-shadow:inset 0 0 0 1px #d7e9fa}.phone-stage img{max-height:620px;margin:auto;object-fit:contain}.hero-copy h1{font-size:clamp(3rem,5.2vw,5.7rem);max-width:760px}.hero-copy .lead{max-width:760px}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0}.hero-tags span{padding:7px 11px;border:1px solid #dce7f2;border-radius:6px;color:#53677b;font-size:.82rem}.hero-actions{display:flex;gap:12px;margin:30px 0}.plain-links{display:flex;flex-wrap:wrap;gap:20px}.plain-links a{font-size:.92rem;font-weight:700}.task-strip{position:relative;margin-top:-20px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #dce7f2;background:#fff;box-shadow:0 16px 42px rgba(42,93,145,.1)}.task-strip article{padding:34px 28px;border-right:1px solid #e5edf5}.task-strip article:last-child{border:0}.task-no{display:block;margin-bottom:22px;color:#9abbdc;font-size:.85rem;font-weight:800}.task-strip h2{font-size:1.25rem}.task-strip p{font-size:.91rem}.task-strip a{font-weight:700;font-size:.88rem}.bento{display:grid;grid-template-columns:1.3fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}.bento>a{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;min-height:240px;padding:34px;border:1px solid #dce7f2;background:#fff;color:#43566a;transition:.2s ease}.bento>a:hover{transform:translateY(-3px);border-color:#b9d5ef;box-shadow:0 16px 42px rgba(42,93,145,.1)}.bento h3{font-size:1.55rem}.bento-large{grid-row:span 2;min-height:500px!important;background:#f5f8fc!important}.bento-visual img{align-self:center;max-height:270px;margin-top:24px}.bento-blue{background:#edf4fb!important}.bento-wide{grid-column:span 2;min-height:220px!important;background:#162f48!important;color:#dbeafa!important}.bento-wide h3{color:#fff}.bento-wide .tag{background:rgba(255,255,255,.12);color:#cfe7ff}.bento-wide .text-link{color:#fff}.bento-narrow{grid-column:3}.text-link{margin-top:16px;color:#245f9e;font-weight:800}.process-section{background:#f5f8fc}.process-line{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:0;padding:0;margin:0;list-style:none}.process-line:before{content:"";position:absolute;left:5%;right:5%;top:28px;height:1px;background:#bdd4e9}.process-line li{position:relative;padding:0 18px}.process-line li>span{position:relative;z-index:1;display:grid;width:56px;height:56px;place-items:center;margin-bottom:24px;border:1px solid #b8d4ed;border-radius:50%;background:#fff;color:#245f9e;font-weight:800}.process-line h3{font-size:1.03rem}.process-line p{font-size:.86rem;color:#61758a}.tab-list{display:flex;gap:4px;overflow-x:auto;border-bottom:1px solid #dce7f2;scrollbar-width:thin}.tab-list button{flex:0 0 auto;min-height:48px;padding:10px 22px;border:0;border-bottom:3px solid transparent;background:transparent;color:#53677b;font-weight:800;cursor:pointer}.tab-list button[aria-selected=true]{border-color:#3f8fe5;color:#245f9e}.tab-panels article{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:70px;min-height:390px;padding:52px;background:#f5f8fc}.tab-panels article[hidden]{display:none}.tab-panels h3{font-size:2rem}.tab-panels img{max-height:260px;margin:auto}.network-facts{padding:30px;border-left:4px solid #3f8fe5;background:#fff}.network-facts ul{margin-bottom:0}.security-band{padding:94px 0;background:#245f9e;color:#eaf4ff}.security-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:80px}.security-band h2{color:#fff}.security-band p{color:#d7e9fb}.security-visual{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center;padding:34px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07)}.security-visual img{max-height:250px}.security-visual ul{margin:0;padding:0;list-style:none}.security-visual li{position:relative;padding:10px 0 10px 24px;border-bottom:1px solid rgba(255,255,255,.13)}.security-visual li:before{content:"✓";position:absolute;left:0;color:#9fd1ff}.editorial{display:grid;grid-template-columns:1.2fr .8fr;gap:80px}.feature-story{min-height:440px;padding:48px;background:#edf4fb;display:flex;flex-direction:column;justify-content:flex-end}.feature-story h2{font-size:clamp(2rem,4vw,3.6rem)}.story-list{border-top:1px solid #dce7f2}.story-list>a{display:grid;grid-template-columns:68px 1fr;gap:20px;padding:19px 0;border-bottom:1px solid #dce7f2}.story-list>a>span{color:#718296;font-size:.78rem;font-weight:800}.story-list h3{margin-bottom:3px;font-size:1.05rem}.story-list p{margin:0;font-size:.87rem;color:#718296}.service-compare{background:#f5f8fc}.compare-grid{display:grid;grid-template-columns:1.1fr .9fr}.app-side,.web-side{padding:56px}.app-side{background:#fff}.web-side{background:#e8f2fc}.app-side ul{columns:2;padding-left:20px;margin:26px 0}.web-side dl{margin:28px 0}.web-side dl div{display:grid;grid-template-columns:70px 1fr;padding:13px 0;border-top:1px solid #c9deef}.web-side dt{font-weight:800;color:#16283c}.web-side dd{margin:0}.staking-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.staking-grid>div>a{display:inline-block;margin:14px 22px 0 0;font-weight:800}.staking-grid aside{padding:42px;background:#162f48;color:#dbeafa}.staking-grid aside h3{color:#fff}.staking-grid aside li{padding:6px 0}.news-home{background:#f5f8fc}.timeline{position:relative;max-width:900px;margin:0 auto}.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:1px;background:#bbd2e6}.timeline-item{position:relative;display:grid;grid-template-columns:34px 1fr;padding:0 0 38px}.timeline-dot{position:relative;z-index:1;width:17px;height:17px;margin-top:7px;border:4px solid #f5f8fc;border-radius:50%;background:#3f8fe5;box-shadow:0 0 0 1px #94bce0}.timeline-item h2,.timeline-item h3{margin-top:8px;font-size:1.25rem}.timeline-item p{max-width:720px}.home-faq .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}.faq-item{border-top:1px solid #dce7f2}.faq-item:last-child{border-bottom:1px solid #dce7f2}.faq-item h2,.faq-item h3{margin:0}.faq-question{display:flex;width:100%;min-height:68px;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;border:0;background:transparent;color:#16283c;text-align:left;font-weight:800;cursor:pointer}.faq-question span{color:#3f8fe5;font-size:1.4rem}.faq-answer{padding:0 28px 20px 0}.faq-answer p{font-size:.93rem}.final-cta{padding:72px 0;background:#163f69;color:#eaf4ff}.final-cta .container{display:flex;align-items:center;justify-content:space-between;gap:70px}.final-cta h2{color:#fff}.final-cta p{max-width:720px}.final-cta .container>div:last-child{display:flex;flex-direction:column;gap:14px;align-items:flex-start}.final-cta .container>div:last-child>a:last-child{color:#d7e9fb}.breadcrumbs{padding-top:30px;color:#718296;font-size:.82rem}.breadcrumbs a{color:#718296}.breadcrumbs span{margin:0 8px}.page-intro{padding:40px 0 56px}.page-intro>div{max-width:890px}.page-intro h1{font-size:clamp(2.5rem,5vw,4.8rem)}.article-hero{padding:70px 0;background:#f5f8fc}.article-hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.article-hero figure{margin:0;padding:35px;background:#fff}.article-hero figure img{max-height:340px;margin:auto}.article-hero .hero-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:25px}.article-hero .hero-links a:not(.download-btn){font-weight:800}.article-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}.article-highlights div{padding:18px;border-left:3px solid #3f8fe5;background:#fff}.article-highlights strong{display:block;color:#16283c}.article-highlights span{font-size:.84rem}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:75px}.article-content>section{padding:0 0 56px;margin-bottom:56px;border-bottom:1px solid #dce7f2}.article-content h2{font-size:2rem}.article-content h3{font-size:1.1rem}.article-content ul,.article-content ol{padding-left:22px}.article-content li{margin:8px 0}.article-notice{padding:30px;margin:0 0 56px;border-left:5px solid #3f8fe5;background:#edf4fb}.article-notice h2{font-size:1.35rem}.related-guides{padding:32px;background:#f5f8fc}.related-guides h2{font-size:1.35rem}.related-guides ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;list-style:none;padding:0}.desktop-toc{position:sticky;top:115px;align-self:start;padding:24px;border-left:1px solid #dce7f2}.desktop-toc strong{display:block;margin-bottom:15px;color:#16283c}.desktop-toc a{display:block;padding:7px 0;color:#718296;font-size:.86rem}.desktop-toc a.active{color:#2d7fd2;font-weight:800}.mobile-toc{display:none}.risk-band,.notice-band{padding:52px 0;background:#163f69;color:#eaf4ff}.risk-band h2,.notice-band h2{color:#fff;font-size:1.55rem}.risk-band p,.notice-band p{margin:0}.notice-band a{display:inline-block;margin-top:12px;color:#cfe7ff}.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:40px}.chip{min-height:40px;padding:8px 16px;border:1px solid #dce7f2;background:#fff;color:#53677b;cursor:pointer}.chip.is-active{background:#245f9e;color:#fff;border-color:#245f9e}.site-footer{padding:70px 0 28px;background:#163f69;color:#dbeafa}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:55px}.footer-brand img{width:160px;margin-bottom:22px;filter:brightness(0) invert(1)}.site-footer h2{color:#fff;font-size:1rem}.site-footer a{display:block;padding:4px 0;color:#dbeafa;font-size:.9rem}.site-footer p{font-size:.87rem}.footer-bottom{display:flex;justify-content:space-between;gap:25px;margin-top:50px;padding-top:25px;border-top:1px solid rgba(255,255,255,.14);font-size:.78rem}.footer-bottom a{padding:0}.download-maintenance{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f5f8fc}.maintenance-card{width:min(560px,100%);padding:50px;border:1px solid #dce7f2;background:#fff;text-align:center;box-shadow:0 16px 42px rgba(42,93,145,.1)}.maintenance-card .brand{justify-content:center;margin-bottom:28px}.maintenance-card h1{font-size:2.3rem}.maintenance-card .secondary-btn{margin-top:16px}
@media(max-width:1020px){.header-inner{grid-template-columns:1fr auto}.desktop-nav{display:none}.menu-toggle{display:block}.mobile-menu{position:fixed;inset:0;z-index:100;display:block;background:#fff;transform:translateX(100%);visibility:hidden;transition:.25s ease}.mobile-menu.open{transform:none;visibility:visible}.mobile-head{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid #dce7f2}.menu-close{width:48px;height:48px;border:0;background:transparent;color:#16283c;font-size:2rem;cursor:pointer}.mobile-scroll{height:calc(100vh - 76px);overflow:auto;padding:18px 24px 42px}.mobile-group{border-bottom:1px solid #dce7f2}.mobile-group>button{display:flex;width:100%;min-height:54px;align-items:center;justify-content:space-between;border:0;background:#fff;color:#16283c;font-weight:800;cursor:pointer}.mobile-group>div{display:none;padding:0 0 14px}.mobile-group.open>div{display:grid;grid-template-columns:1fr 1fr}.mobile-group a{padding:9px;color:#53677b}.mobile-bottom{display:grid;gap:10px;padding-top:26px}.mobile-bottom .download-btn{margin-top:10px}.hero-grid{grid-template-columns:1fr 1.2fr;gap:45px}.task-strip{grid-template-columns:1fr 1fr}.task-strip article:nth-child(2){border-right:0}.task-strip article:nth-child(-n+2){border-bottom:1px solid #e5edf5}.bento{grid-template-columns:1fr 1fr}.bento-large{grid-row:auto;grid-column:span 2;min-height:420px!important}.bento-wide{grid-column:span 1}.bento-narrow{grid-column:auto}.process-line{grid-template-columns:repeat(3,1fr);gap:38px 0}.process-line:before{display:none}.tab-panels article{gap:40px}.editorial{gap:35px}.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:45px}}
@media(max-width:760px){html{scroll-padding-top:92px}.container{width:min(100% - 30px,1180px)}.section{padding:72px 0}.safety-strip{padding:6px 15px;font-size:.72rem;line-height:1.4}.site-header{top:0}.header-inner{height:66px}.brand img{width:136px}.header-actions .download-btn{min-height:44px;padding-inline:13px;font-size:.83rem}.mobile-head{height:66px;padding:0 15px}.mobile-scroll{height:calc(100vh - 66px);padding-inline:15px}.split-heading{display:block}.split-heading>p,.split-heading>a{display:block;margin-top:14px}.home-hero{padding:58px 0;background:#f5f8fc}.hero-grid{display:flex;flex-direction:column-reverse;gap:36px}.hero-copy h1{font-size:clamp(2.5rem,12vw,4rem)}.phone-stage{width:100%;padding:30px;border-radius:24px 8px}.phone-stage img{max-height:500px}.hero-actions{flex-wrap:wrap}.plain-links{display:grid;gap:9px}.task-strip{grid-template-columns:1fr;margin-top:0}.task-strip article{border-right:0;border-bottom:1px solid #e5edf5!important;padding:28px 24px}.bento{display:block}.bento>a{margin-bottom:14px;min-height:220px!important}.bento-large{min-height:390px!important}.bento-visual img{max-height:200px}.process-line{grid-template-columns:1fr}.process-line li{padding:0 0 22px 78px;min-height:110px}.process-line li>span{position:absolute;left:0;top:0}.process-line li:after{content:"";position:absolute;left:27px;top:56px;bottom:-5px;width:1px;background:#bdd4e9}.process-line li:last-child:after{display:none}.tab-list{margin-right:-15px}.tab-list button{padding-inline:16px}.tab-panels article{grid-template-columns:1fr;padding:32px 22px;min-height:auto}.tab-panels img{max-height:190px}.security-grid{grid-template-columns:1fr;gap:38px}.security-visual{grid-template-columns:1fr}.security-visual img{max-height:180px;margin:auto}.editorial{grid-template-columns:1fr}.feature-story{min-height:360px;padding:30px}.compare-grid{grid-template-columns:1fr}.app-side,.web-side{padding:36px 24px}.app-side ul{columns:1}.staking-grid{grid-template-columns:1fr;gap:36px}.home-faq .faq-list{grid-template-columns:1fr}.final-cta .container{display:block}.final-cta .container>div:last-child{margin-top:28px}.article-hero{padding:48px 0}.article-hero .container{grid-template-columns:1fr}.article-hero figure{padding:22px}.article-highlights{grid-template-columns:1fr}.article-layout{display:block}.desktop-toc{display:none}.mobile-toc{display:block;margin-bottom:35px;padding:16px 18px;background:#f5f8fc}.mobile-toc summary{cursor:pointer;font-weight:800;color:#16283c}.mobile-toc nav{display:grid;padding-top:12px}.mobile-toc a{padding:5px 0}.related-guides ul{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:36px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom a{margin-top:12px}.maintenance-card{padding:36px 24px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;padding:10px;background:#fff}.skip:focus{left:8px}.page-shell>.breadcrumbs{padding-top:30px}.article-hero.container{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;margin-top:20px;padding:60px;background:#f5f8fc}.article-hero .summary{font-size:1.12rem}.hero-note{padding:36px;background:#163f69;color:#dbeafa}.hero-note strong{display:block;margin:12px 0;color:#fff;font-size:1.55rem}.article-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-top:28px}.article-highlights article{padding:24px;background:#edf4fb}.article-highlights article>span,.section-kicker{color:#3f8fe5;font-size:.78rem;font-weight:800;letter-spacing:.1em}.article-layout.container{padding-top:78px;padding-bottom:90px}.notice{padding:30px;margin-bottom:50px;border-left:5px solid #3f8fe5;background:#edf4fb}.notice strong{color:#16283c;font-size:1.1rem}.related{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;padding:34px;margin-bottom:50px;background:#f5f8fc}.related h2{font-size:1.4rem}.related>div:last-child{display:grid;gap:8px}.related a{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #dce7f2}.risk{padding:34px;background:#163f69;color:#eaf4ff}.risk strong{color:#fff}.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare>div{padding:24px;background:#f5f8fc}.check-list li,.number-list li{margin:9px 0}@media(max-width:760px){.article-hero.container{grid-template-columns:1fr;padding:32px 22px}.article-highlights{grid-template-columns:1fr}.related{grid-template-columns:1fr}.compare{grid-template-columns:1fr}}