:root{--blue:#3f8fe5;--blue-dark:#245f9e;--navy:#16283c;--text:#43566a;--muted:#718296;--line:#dce7f2;--pale:#f5f8fc;--pale2:#edf4fb;--tag:#eaf4ff;--footer:#163f69;--shadow:0 16px 42px rgba(42,93,145,.10);--radius:24px;--header:74px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;background:#fff;overflow-x:hidden}body.menu-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:2000;background:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow)}.skip-link:focus{top:16px}.security-strip{min-height:34px;padding:6px 20px;text-align:center;background:#eaf4ff;color:#315f8d;font-size:13px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,242,.9)}.header-inner{height:var(--header);display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:156px;height:auto}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:6px;flex:1;height:100%}.nav-trigger,.nav-link{position:relative;min-height:44px;padding:11px 15px;border:0;background:transparent;color:#263f59;font-weight:650;cursor:pointer;border-radius:10px;touch-action:manipulation}.nav-trigger:hover,.nav-trigger:focus-visible,.nav-link:hover,.nav-link:focus-visible,.nav-trigger.is-active,.nav-link.is-active{background:var(--tag);color:var(--blue-dark);outline:none}.nav-trigger.is-active:after,.nav-link.is-active:after{content:"";position:absolute;height:2px;left:14px;right:14px;bottom:3px;background:var(--blue);border-radius:2px}.header-actions{display:flex;align-items:center;gap:10px}.download-btn,.primary-btn,.secondary-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:10px;font-weight:700;transition:.2s ease;touch-action:manipulation}.download-btn,.primary-btn{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(63,143,229,.22)}.download-btn:hover,.primary-btn:hover{background:#2d7fd2;transform:translateY(-1px)}.download-btn:focus-visible,.primary-btn:focus-visible,.secondary-btn:focus-visible,.text-link:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:3px}.secondary-btn{border:1px solid var(--line);background:#fff;color:var(--blue-dark)}.mobile-menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px;cursor:pointer}.mobile-menu-toggle span{display:block;height:2px;background:var(--navy);margin:5px 0}.mega-wrap{position:absolute;left:0;right:0;top:100%;pointer-events:none}.mega-menu{display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 22px 45px rgba(22,40,60,.13);pointer-events:auto}.mega-menu.is-open{display:block}.mega-grid{display:grid;grid-template-columns:1.05fr 1.8fr .8fr;gap:36px;padding-block:34px}.mega-intro span,.eyebrow,.kicker{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-dark);font-weight:800}.mega-intro h2{font-size:24px;line-height:1.25;margin:8px 0 10px;color:var(--navy)}.mega-intro p{margin:0 0 12px;font-size:14px}.mega-intro a,.text-link{color:var(--blue-dark);font-weight:750}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mega-links a{display:flex;flex-direction:column;padding:13px 14px;border-radius:12px}.mega-links a:hover,.mega-links a:focus-visible{background:var(--pale2);outline:none}.mega-links strong{color:var(--navy);font-size:15px}.mega-links span{color:var(--muted);font-size:13px}.mega-feature{align-self:stretch;padding:22px;border-radius:16px;background:var(--pale2);display:flex;flex-direction:column;justify-content:center}.mega-feature small{color:var(--blue-dark);font-weight:800}.mega-feature strong{font-size:18px;color:var(--navy);margin:8px 0}.mega-feature span{font-size:13px;color:var(--muted)}.mobile-menu{position:fixed;inset:0;z-index:1400;background:#fff;transform:translateX(104%);transition:transform .25s ease;display:flex;flex-direction:column}.mobile-menu.is-open{transform:none}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line)}.mobile-menu-close{width:44px;height:44px;border:0;background:var(--pale);border-radius:10px;font-size:30px;cursor:pointer}.mobile-menu-body{padding:10px 20px;overflow:auto;flex:1}.mobile-menu details{border-bottom:1px solid var(--line)}.mobile-menu summary{min-height:52px;display:flex;align-items:center;justify-content:space-between;font-weight:800;color:var(--navy);cursor:pointer;list-style:none}.mobile-menu summary:after{content:"＋"}.mobile-menu details[open] summary:after{content:"−"}.mobile-menu details a{display:block;padding:10px 8px;color:var(--text)}.mobile-menu-foot{padding:16px 20px max(18px,env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--line)}.mobile-menu-foot .download-btn{grid-column:1/-1}.hero{padding:72px 0 56px}.hero-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:70px;align-items:center}.hero-visual{background:linear-gradient(145deg,#edf6ff,#f8fbff);border-radius:36px;padding:28px 28px 0;min-height:530px;display:flex;align-items:flex-end;justify-content:center;overflow:hidden}.hero-visual img{max-height:500px;object-fit:contain}.hero-copy h1,.page-hero h1{font-size:clamp(38px,5vw,66px);line-height:1.08;letter-spacing:-.04em;color:var(--navy);margin:13px 0 20px}.hero-copy .lead{font-size:18px;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.capability-tags{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.capability-tags span,.tag{background:var(--tag);color:#315f8d;padding:6px 10px;border-radius:7px;font-size:13px;font-weight:700}.hero-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:22px}.hero-links a{color:var(--blue-dark);font-weight:700}.section{padding:84px 0}.section.soft{background:var(--pale)}.section-head{display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:end;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.15;color:var(--navy);letter-spacing:-.03em;margin:8px 0}.section-head p{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{padding:28px 24px;border-right:1px solid var(--line)}.task:last-child{border-right:0}.task-no{font-size:13px;color:var(--blue);font-weight:800}.task h3{color:var(--navy);font-size:20px;margin:16px 0 8px}.task p{font-size:14px}.bento{display:grid;grid-template-columns:1.35fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}.bento-item{border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;background:#fff;min-height:240px}.bento-item:hover{box-shadow:var(--shadow)}.bento-item h3{color:var(--navy);font-size:24px;margin:5px 0 10px}.bento-item p{margin:0 0 16px}.bento-item img{max-height:210px;margin:18px auto 0;object-fit:contain}.bento-large{grid-row:span 2;background:var(--pale2)}.bento-wide{grid-column:2/4;display:grid;grid-template-columns:1fr 1fr;align-items:center}.bento-narrow{background:var(--pale)}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:step}.process-step{position:relative;padding:50px 18px 0;border-top:1px solid #aac9e7}.process-step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:-18px;left:18px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--blue);color:var(--blue-dark);font-weight:800;font-size:12px}.process-step h3{color:var(--navy);font-size:17px;margin:0 0 8px}.process-step p{font-size:13px;margin:0}.network-tabs .tab-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px}.network-tabs [role=tab]{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:11px 17px;border-radius:9px;color:var(--text);font-weight:750;cursor:pointer}.network-tabs [role=tab][aria-selected=true]{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff}.tab-panels{margin-top:24px}.tab-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding:34px;border-radius:var(--radius);background:var(--pale)}.tab-panel[hidden]{display:none}.tab-panel img{max-height:300px;margin:auto}.tab-panel h3{font-size:34px;line-height:1.2;color:var(--navy);margin:8px 0 14px}.security-band{background:var(--blue-dark);color:#dcecff}.security-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}.security-band h2{color:#fff;font-size:44px;line-height:1.15;margin:10px 0 18px}.security-band .primary-btn{background:#fff;color:var(--blue-dark);box-shadow:none}.security-checks{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.security-checks div{padding:13px 14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:10px}.security-visual img{max-height:280px;margin:auto;filter:brightness(0) invert(1);opacity:.92}.editorial{display:grid;grid-template-columns:1.12fr .88fr;gap:48px}.featured-article{background:var(--pale2);border-radius:var(--radius);padding:38px}.featured-article h3{font-size:36px;line-height:1.16;color:var(--navy);margin:10px 0 16px}.article-list{border-top:1px solid var(--line)}.article-row{display:grid;grid-template-columns:90px 1fr 24px;gap:16px;padding:19px 0;border-bottom:1px solid var(--line);align-items:start}.article-row .tag{justify-self:start}.article-row strong{display:block;color:var(--navy);font-size:17px}.article-row p{font-size:13px;margin:5px 0 0}.compare{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.app-side{display:grid;grid-template-columns:1fr;gap:24px;background:var(--pale2);border-radius:var(--radius);padding:30px;align-items:center}.app-side img{max-height:360px;margin:auto}.web-side{border:1px solid var(--line);border-radius:var(--radius);padding:38px;display:flex;flex-direction:column;justify-content:center}.check-list,.risk-list{padding:0;margin:20px 0;list-style:none}.check-list li,.risk-list li{position:relative;padding:8px 0 8px 27px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}.risk-list li:before{content:"—";position:absolute;left:0;color:var(--blue-dark);font-weight:900}.staking-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.knowledge-pane,.risk-pane{padding:36px;border-radius:var(--radius)}.knowledge-pane{background:var(--pale2)}.risk-pane{border:1px solid var(--line)}.timeline{position:relative;padding-left:34px}.timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:1px;background:#afcbe7}.timeline-item{position:relative;padding:0 0 30px}.timeline-item:before{content:"";position:absolute;left:-31px;top:8px;width:11px;height:11px;border-radius:50%;background:#fff;border:3px solid var(--blue)}.timeline-meta{font-size:13px;font-weight:800;color:var(--blue-dark)}.timeline-item h3{color:var(--navy);font-size:21px;margin:5px 0}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;text-align:left;border:0;background:transparent;padding:21px 0;color:var(--navy);font-weight:800;font-size:18px;cursor:pointer}.faq-item button:after{content:"＋";font-size:22px;color:var(--blue)}.faq-item.is-open button:after{content:"−"}.faq-answer{padding:0 42px 22px 0}.js .faq-answer{display:none}.js .faq-item.is-open .faq-answer{display:block}.final-cta{padding:72px 0;background:var(--pale2)}.cta-inner{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.cta-inner h2{font-size:40px;line-height:1.15;color:var(--navy);margin:0 0 10px}.cta-actions{display:flex;gap:12px;flex-wrap:wrap}.site-footer{background:var(--footer);color:#dcecff;padding-top:64px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:48px}.footer-brand img{width:160px;filter:brightness(0) invert(1);margin-bottom:18px}.footer-grid h2{font-size:16px;color:#fff;margin:0 0 14px}.footer-grid a{display:block;padding:5px 0;color:#dcecff}.footer-grid a:hover{color:#fff}.footer-risk{font-size:13px;color:#afcbe7}.footer-bottom{margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.16);display:flex;gap:20px;justify-content:space-between;font-size:12px;color:#afcbe7}.page-hero{padding:64px 0 42px;background:linear-gradient(180deg,#f7fbff,#fff)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}.breadcrumbs a{color:var(--blue-dark)}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.page-hero h1{font-size:clamp(38px,5vw,60px)}.page-hero p{font-size:18px;max-width:760px}.page-hero-visual{padding:25px;border-radius:24px;background:var(--pale2)}.page-hero-visual img{max-height:320px;margin:auto}.center-overview{padding:60px 0 90px}.feature-stagger{display:grid;grid-template-columns:1fr 1fr;gap:22px}.feature-stagger article{padding:30px;border:1px solid var(--line);border-radius:18px}.feature-stagger article:nth-child(3n+1){grid-column:span 2;background:var(--pale)}.feature-stagger h2{font-size:28px;color:var(--navy);margin-top:0}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;padding:60px 0 90px}.article-content{min-width:0}.article-content>section{padding:0 0 44px;margin-bottom:38px;border-bottom:1px solid var(--line);scroll-margin-top:120px}.article-content h2{font-size:32px;line-height:1.25;color:var(--navy);margin:0 0 16px}.article-content h3{font-size:21px;color:var(--navy)}.article-content p{margin:0 0 16px}.article-content ul,.article-content ol{padding-left:22px}.article-content li{margin:7px 0}.callout{padding:21px 24px;border-left:4px solid var(--blue);background:var(--pale2);border-radius:0 12px 12px 0;margin:24px 0}.callout strong{display:block;color:var(--navy);margin-bottom:6px}.toc{position:sticky;top:110px;align-self:start;border-left:1px solid var(--line);padding-left:22px}.toc h2{font-size:15px;color:var(--navy);margin:0 0 12px}.toc a{display:block;padding:6px 0;font-size:13px;color:var(--muted)}.toc a.is-current{color:var(--blue-dark);font-weight:800}.related{background:var(--pale);border-radius:18px;padding:25px;margin-top:10px}.related h2{font-size:20px}.related a{display:block;padding:9px 0;color:var(--blue-dark);font-weight:700}.risk-note{padding:24px;border:1px solid #cbddee;border-radius:14px;background:#fbfdff}.top-toc-mobile{display:none}.glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.term{border:1px solid var(--line);border-radius:14px;padding:20px}.term h3{margin:0 0 8px}.news-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px}.news-filter span{padding:8px 12px;border-radius:8px;background:var(--pale2);font-weight:700;font-size:13px}.support-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:support}.support-flow article{padding:24px;border:1px solid var(--line);border-radius:15px}.support-flow article:before{counter-increment:support;content:counter(support,decimal-leading-zero);display:block;color:var(--blue);font-weight:900;margin-bottom:12px}.not-found{padding:100px 0;text-align:center}
@media(max-width:980px){.desktop-nav{display:none}.mobile-menu-toggle{display:block}.header-inner{gap:12px}.header-actions{margin-left:auto}.hero-grid,.page-hero-grid,.security-grid,.editorial,.compare,.tab-panel{grid-template-columns:1fr}.hero-copy{order:-1}.hero-visual{min-height:auto}.task-grid{grid-template-columns:1fr 1fr}.task:nth-child(2){border-right:0}.task:nth-child(-n+2){border-bottom:1px solid var(--line)}.bento{grid-template-columns:1fr 1fr}.bento-large{grid-column:1/-1;grid-row:auto}.bento-wide{grid-column:1/-1}.process{grid-template-columns:1fr 1fr 1fr;row-gap:50px}.app-side{grid-template-columns:.8fr 1.2fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.article-shell{grid-template-columns:1fr}.toc{display:none}.top-toc-mobile{display:block;margin:0 0 28px;border:1px solid var(--line);border-radius:12px;padding:14px 18px}.top-toc-mobile summary{font-weight:800;color:var(--navy);cursor:pointer}.top-toc-mobile a{display:block;padding:7px 0;color:var(--blue-dark)}.support-flow{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.container{width:min(100% - 28px,1180px)}.security-strip{text-align:left;font-size:12px;line-height:1.45}.header-inner{height:66px}.brand img{width:128px}.header-actions .download-btn{padding:10px 13px}.hero{padding:45px 0}.hero-grid{gap:34px}.hero-copy h1,.page-hero h1{font-size:40px}.hero-copy .lead,.page-hero p{font-size:16px}.hero-visual{padding:20px 18px 0;border-radius:24px}.section{padding:60px 0}.section-head{grid-template-columns:1fr;gap:10px}.section-head h2{font-size:34px}.task-grid{grid-template-columns:1fr}.task{border-right:0;border-bottom:1px solid var(--line)!important}.task:last-child{border-bottom:0!important}.bento{grid-template-columns:1fr}.bento-large,.bento-wide{grid-column:auto}.bento-wide{display:block}.process{grid-template-columns:1fr;border-left:1px solid #aac9e7;margin-left:18px}.process-step{border-top:0;padding:0 0 34px 42px}.process-step:before{top:0;left:-19px}.tab-panel{padding:24px}.tab-panel h3{font-size:28px}.security-band h2{font-size:35px}.security-checks{grid-template-columns:1fr}.featured-article{padding:27px}.featured-article h3{font-size:30px}.article-row{grid-template-columns:70px 1fr}.article-row>span:last-child{display:none}.app-side{grid-template-columns:1fr}.staking-grid{grid-template-columns:1fr}.cta-inner{grid-template-columns:1fr}.cta-inner h2{font-size:34px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.page-hero{padding:42px 0 28px}.page-hero-grid{gap:28px}.feature-stagger{grid-template-columns:1fr}.feature-stagger article:nth-child(3n+1){grid-column:auto}.article-shell{padding:40px 0 70px}.article-content h2{font-size:28px}.glossary-grid{grid-template-columns:1fr}.support-flow{grid-template-columns:1fr}.mobile-menu-foot{grid-template-columns:1fr 1fr}.hero-links{gap:12px}.download-btn,.primary-btn,.secondary-btn{width:auto}}