:root{--bg:#fff;--light:#f5f8fc;--light2:#edf4fb;--blue:#3f8fe5;--deep:#245f9e;--ink:#16283c;--text:#43566a;--muted:#718296;--line:#dce7f2;--tag:#eaf4ff;--footer:#163f69;--shadow:0 16px 42px rgba(42,93,145,.10);--radius:22px;--shell:min(1180px,calc(100% - 40px))}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;color:var(--text);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}img,svg{max-width:100%;height:auto}button,input,textarea{font:inherit}.shell{width:var(--shell);margin:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;padding:10px 14px;border:2px solid var(--blue);border-radius:8px}.skip-link:focus{top:12px}.security-strip{min-height:36px;display:flex;align-items:center;justify-content:center;padding:7px 20px;background:#edf4fb;color:#31597e;font-size:13px;text-align:center}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{width:var(--shell);height:74px;margin:auto;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;flex:0 0 auto}.brand img{display:block;width:156px;height:auto}.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:4px;flex:1;height:100%}.nav-group{position:static;display:flex;align-items:center}.nav-trigger,.nav-simple{border:0;background:transparent;color:#2f4359;padding:10px 14px;min-height:44px;border-radius:10px;cursor:pointer;position:relative;display:flex;align-items:center}.nav-trigger:focus-visible,.nav-simple:focus-visible,.download-btn:focus-visible,.primary-btn:focus-visible,.mobile-menu-btn:focus-visible,.mobile-menu-close:focus-visible,.mobile-accordion:focus-visible,.tab-btn:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(63,143,229,.35);outline-offset:2px}.nav-group.is-active>.nav-trigger,.nav-simple.is-active{color:var(--deep);background:var(--tag)}.mega-menu{position:absolute;left:50%;transform:translateX(-50%);top:calc(100% + 1px);width:min(980px,calc(100vw - 48px));padding:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 22px 22px;display:grid;grid-template-columns:1fr 2.1fr;gap:30px}.mega-menu[hidden]{display:none}.mega-intro{padding:12px 16px 12px 8px;border-right:1px solid var(--line)}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--blue);text-transform:uppercase}.mega-intro p{margin:8px 0 12px;color:var(--muted)}.mega-intro a{font-weight:700;color:var(--deep)}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mega-links a{padding:14px;border-radius:14px}.mega-links a:hover,.mega-links a:focus{background:var(--light)}.mega-links strong,.mega-links span{display:block}.mega-links span{font-size:13px;color:var(--muted);margin-top:2px}.header-actions{display:flex;align-items:center;gap:10px}.download-btn,.primary-btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:12px;background:var(--blue);color:white!important;font-weight:700;box-shadow:0 8px 18px rgba(63,143,229,.22);touch-action:manipulation;position:relative;z-index:1}.download-btn:hover,.primary-btn:hover{background:#2d7fd2}.mobile-menu-btn{display:none;width:44px;height:44px;padding:10px;border:0;border-radius:10px;background:var(--light);cursor:pointer;position:relative;z-index:2}.mobile-menu-btn span:not(.sr-only){display:block;height:2px;background:#2f4359;margin:4px 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mobile-menu{position:fixed;inset:0;z-index:2500;background:#fff;overflow:auto}.mobile-menu[hidden]{display:none}.mobile-menu-head{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line)}.mobile-menu-close{width:44px;height:44px;border:0;border-radius:50%;background:var(--light);font-size:30px;cursor:pointer}.mobile-menu-body{padding:10px 20px 36px}.mobile-menu-group{border-bottom:1px solid var(--line)}.mobile-accordion{width:100%;min-height:56px;padding:12px 0;border:0;background:#fff;display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink);cursor:pointer}.mobile-submenu{padding:0 0 14px}.mobile-submenu[hidden]{display:none}.mobile-submenu a{display:block;padding:10px 8px;color:var(--text)}.mobile-menu-bottom{display:grid;gap:10px;padding-top:24px}.menu-open{overflow:hidden}.section{padding:88px 0}.section-sm{padding:64px 0}.bg-light{background:var(--light)}.bg-light2{background:var(--light2)}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.15;color:var(--ink);margin:6px 0}.section-head p{max-width:620px;margin:0;color:var(--muted)}.text-link{color:var(--deep);font-weight:700}.text-link:hover{text-decoration:underline}.hero{padding:80px 0 68px}.hero-grid{display:grid;grid-template-columns:42% 58%;align-items:center;gap:0}.hero-visual{background:linear-gradient(145deg,#edf4fb,#f9fbfd);border-radius:34px 34px 34px 8px;padding:34px;min-height:560px;display:flex;align-items:center;justify-content:center}.hero-visual img{max-height:520px;object-fit:contain}.hero-copy{padding-left:70px}.hero-copy h1{margin:12px 0 18px;color:var(--ink);font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-.04em}.hero-sub{font-size:18px;color:var(--deep);font-weight:700}.hero-copy p{font-size:17px}.hero-actions{display:flex;align-items:center;gap:18px;margin:28px 0 26px}.cap-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.cap-tags span,.category-tag{display:inline-flex;padding:6px 10px;border-radius:8px;background:var(--tag);color:#2f6ca8;font-size:13px;font-weight:700}.hero-links{display:flex;flex-wrap:wrap;gap:18px;padding-top:8px}.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 22px;border-right:1px solid var(--line)}.task-item:last-child{border-right:0}.task-num{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.12em}.task-item h3{color:var(--ink);font-size:20px;margin:10px 0 8px}.task-item p{font-size:14px;color:var(--muted);margin:0 0 12px}.bento{display:grid;grid-template-columns:1.25fr .85fr .85fr;grid-auto-rows:minmax(220px,auto);gap:18px}.bento-item{border:1px solid var(--line);border-radius:22px;padding:28px;background:#fff;position:relative;overflow:hidden}.bento-item:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s}.bento-item h3{font-size:24px;color:var(--ink);margin:0 0 10px}.bento-item p{margin:0 0 18px;color:var(--muted)}.bento-large{grid-row:span 2;background:#f8fbfe}.bento-wide{grid-column:span 2;display:grid;grid-template-columns:1.2fr .8fr;align-items:center}.bento-narrow{background:var(--light2)}.bento-media{margin-top:20px;text-align:center}.bento-media img{max-height:250px}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}.process:before{content:"";position:absolute;left:8%;right:8%;top:22px;height:1px;background:var(--line)}.process-step{position:relative;padding:0 14px}.process-index{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--blue);font-weight:800;position:relative;z-index:1}.process-step:nth-child(even){padding-top:58px}.process-step h3{font-size:18px;color:var(--ink);margin:14px 0 8px}.process-step p{font-size:14px;color:var(--muted);margin:0}.network-tabs{border:1px solid var(--line);border-radius:24px;overflow:hidden}.tab-list{display:flex;gap:4px;padding:12px;background:var(--light);overflow-x:auto}.tab-btn{border:0;background:transparent;border-radius:10px;padding:10px 18px;white-space:nowrap;cursor:pointer;color:var(--text);font-weight:700}.tab-btn[aria-selected="true"]{background:#fff;color:var(--deep);box-shadow:0 4px 12px rgba(42,93,145,.08)}.tab-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;padding:36px}.tab-panel[hidden]{display:none}.tab-panel h3{font-size:32px;color:var(--ink);margin:0 0 12px}.tab-panel img{max-height:280px;display:block;margin:auto}.security-band{background:var(--deep);color:#eaf4ff}.security-band .section-head h2,.security-band h3{color:#fff}.security-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.security-copy p{font-size:16px;color:#d8e8f8}.security-check{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:center}.security-check img{filter:brightness(1.05)}.check-list{list-style:none;margin:0;padding:0}.check-list li{padding:12px 0 12px 30px;position:relative;border-bottom:1px solid rgba(255,255,255,.14)}.check-list li:before{content:"✓";position:absolute;left:0;color:#a8d6ff;font-weight:800}.learn-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:32px}.feature-article{padding:38px;background:var(--light);border-radius:24px}.feature-article h3{font-size:36px;line-height:1.2;color:var(--ink);margin:12px 0}.article-list{border-top:1px solid var(--line)}.article-row{display:block;padding:18px 2px;border-bottom:1px solid var(--line)}.article-row:hover h3{color:var(--blue)}.article-row h3{font-size:18px;color:var(--ink);margin:7px 0 4px}.article-row p{font-size:14px;color:var(--muted);margin:0}.compare-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch}.app-pane{background:var(--light2);border-radius:26px;padding:34px;display:grid;grid-template-columns:.78fr 1.22fr;gap:28px;align-items:center}.app-pane img{max-height:390px}.web-pane{padding:34px;border:1px solid var(--line);border-radius:26px}.plain-list{padding-left:20px}.plain-list li{margin:8px 0}.staking-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.knowledge-pane,.risk-pane{padding:34px;border-radius:24px}.knowledge-pane{background:var(--light)}.risk-pane{border:1px solid var(--line)}.knowledge-pane h3,.risk-pane h3{font-size:27px;color:var(--ink);margin-top:0}.timeline{max-width:900px;margin:0 auto;position:relative}.timeline:before{content:"";position:absolute;left:18px;top:8px;bottom:8px;width:1px;background:var(--line)}.timeline-item{position:relative;padding:0 0 34px 64px}.timeline-dot{position:absolute;left:10px;top:8px;width:17px;height:17px;border:4px solid #fff;background:var(--blue);border-radius:50%;box-shadow:0 0 0 1px var(--line)}.timeline-item h3{font-size:21px;color:var(--ink);margin:5px 0}.timeline-item p{margin:0;color:var(--muted)}.faq-list{max-width:920px;margin:auto;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;min-height:64px;border:0;background:#fff;padding:18px 6px;display:flex;justify-content:space-between;gap:20px;text-align:left;color:var(--ink);font-weight:800;cursor:pointer}.faq-answer{padding:0 6px 22px;color:var(--muted)}.faq-answer[hidden]{display:none}.cta{padding:58px 0;background:var(--light2)}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px}.cta h2{font-size:36px;color:var(--ink);margin:0 0 8px}.cta p{margin:0;max-width:720px}.cta-actions{display:flex;gap:16px;align-items:center;flex:0 0 auto}.page-hero{padding:64px 0 46px;background:linear-gradient(180deg,#f7fbff,#fff)}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:22px}.breadcrumbs a{color:var(--deep)}.page-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.08;color:var(--ink);margin:0 0 18px;max-width:900px}.page-summary{font-size:17px;max-width:850px}.center-hero{padding:76px 0}.center-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center}.center-hero h1{font-size:clamp(40px,5vw,64px);color:var(--ink);line-height:1.04;margin:10px 0 18px}.center-hero-visual{background:var(--light);border-radius:32px;padding:38px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}.article-body{min-width:0}.article-body section{padding:8px 0 30px;scroll-margin-top:120px}.article-body h2{font-size:30px;line-height:1.25;color:var(--ink);margin:18px 0 12px}.article-body h3{color:var(--ink)}.article-body p,.article-body li{font-size:16px}.mobile-toc{display:none}.article-toc{position:sticky;top:105px;padding:22px;border-left:1px solid var(--line)}.article-toc strong{display:block;color:var(--ink);margin-bottom:10px}.article-toc a{display:block;padding:7px 0;color:var(--muted);font-size:14px}.article-toc a.current{color:var(--blue);font-weight:800}.notice{padding:20px 22px;border-radius:16px;background:var(--light2);border-left:4px solid var(--blue);margin:18px 0 30px}.notice strong{color:var(--ink)}.risk-note{padding:24px;border:1px solid #d6e2ee;background:#fbfdff;border-radius:18px}.related{margin-top:20px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related a{padding:16px;border:1px solid var(--line);border-radius:14px;color:var(--deep);font-weight:700}.index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.index-card{padding:24px;border:1px solid var(--line);border-radius:18px}.index-card h3{color:var(--ink);margin:0 0 8px}.index-card p{margin:0 0 12px;color:var(--muted)}.glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.glossary-term{padding:22px;border-bottom:1px solid var(--line)}.glossary-term h3{margin:0 0 6px;color:var(--ink)}.support-steps{counter-reset:step;list-style:none;padding:0}.support-steps li{counter-increment:step;position:relative;padding:16px 0 16px 52px;border-bottom:1px solid var(--line)}.support-steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;color:var(--blue);font-weight:800}.site-footer{background:var(--footer);color:#dcecff;padding:58px 0 0}.footer-grid{display:grid;grid-template-columns:1.8fr repeat(3,1fr);gap:48px}.site-footer h2{font-size:15px;color:#fff;margin:0 0 14px}.site-footer a:not(.brand){display:block;padding:5px 0;color:#dcecff}.footer-brand p{max-width:420px}.footer-risk{color:#b9d4ee;font-size:13px}.brand-footer{filter:brightness(0) invert(1);opacity:.95}.footer-bottom{margin-top:40px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#b9d4ee}.footer-bottom a{padding:0!important}.empty-state{padding:30px;border-radius:18px;background:var(--light);border:1px dashed var(--line)}@media(max-width:980px){.desktop-nav{display:none}.mobile-menu-btn{display:block}.header-inner{gap:12px}.header-actions{margin-left:auto}.hero-grid,.center-hero-grid,.security-grid,.learn-grid,.compare-grid,.staking-grid,.content-layout{grid-template-columns:1fr}.hero-copy{padding:0 0 36px;order:-1}.hero-grid{display:flex;flex-direction:column}.hero-visual{width:100%;min-height:auto}.task-grid{grid-template-columns:1fr 1fr}.task-item:nth-child(2){border-right:0}.task-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.bento{grid-template-columns:1fr 1fr}.bento-large{grid-row:auto}.bento-wide{grid-column:span 2}.process{grid-template-columns:1fr 1fr 1fr;gap:28px}.process:before{display:none}.process-step:nth-child(even){padding-top:0}.article-toc{display:none}.mobile-toc{display:block;margin-bottom:24px;padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:var(--light)}.mobile-toc summary{font-weight:800;color:var(--ink);cursor:pointer}.mobile-toc a{display:block;padding:7px 0;color:var(--deep)}.related-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.security-check{grid-template-columns:1fr 1.2fr}}
@media(max-width:680px){:root{--shell:min(100% - 28px,1180px)}.security-strip{font-size:12px;line-height:1.45}.header-inner{height:66px}.brand img{width:132px}.header-actions .download-btn{padding:9px 13px}.section{padding:64px 0}.section-sm{padding:48px 0}.section-head{display:block}.hero{padding:48px 0}.hero-copy h1{font-size:44px}.hero-actions{align-items:stretch;flex-direction:column}.hero-links{display:grid;gap:10px}.hero-visual{padding:22px;border-radius:24px}.task-grid{grid-template-columns:1fr}.task-item{border-right:0!important;border-bottom:1px solid var(--line)}.task-item:last-child{border-bottom:0}.bento{grid-template-columns:1fr}.bento-wide{grid-column:auto;grid-template-columns:1fr}.process{grid-template-columns:1fr;padding-left:20px}.process:before{display:block;left:21px;right:auto;top:20px;bottom:20px;width:1px;height:auto}.process-step{padding:0 0 28px 54px}.process-index{position:absolute;left:-20px;top:0}.tab-panel{grid-template-columns:1fr;padding:24px}.tab-panel img{max-height:210px}.security-check{grid-template-columns:1fr}.learn-grid,.compare-grid,.staking-grid{gap:18px}.app-pane{grid-template-columns:1fr}.app-pane img{max-height:330px}.cta-inner{align-items:flex-start;flex-direction:column}.cta-actions{width:100%;flex-direction:column;align-items:stretch}.cta-actions .download-btn{text-align:center}.page-hero,.center-hero{padding:46px 0 30px}.page-hero h1,.center-hero h1{font-size:40px}.article-body h2{font-size:26px}.related-grid,.index-list,.glossary-grid{grid-template-columns:1fr}.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}.mega-menu{display:none!important}}
.product-center-hero{background:linear-gradient(135deg,#fff 0%,#f5f8fc 100%)}.product-visual{padding:24px}.product-visual img{max-height:430px;display:block;margin:auto}.networks-center-hero{background:#f8fbfe}.networks-center-hero .center-hero-visual{background:#fff}.security-center-hero{background:#eef5fb}.security-center-hero .center-hero-visual{background:#fff}.academy-hero{padding:76px 0;background:#fff}.academy-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:end}.academy-hero h1,.service-hero h1{font-size:clamp(40px,5vw,64px);line-height:1.05;color:var(--ink);margin:10px 0 18px}.academy-path{border-top:1px solid var(--line)}.academy-path a{display:grid;grid-template-columns:42px 1fr;gap:3px 14px;padding:17px 4px;border-bottom:1px solid var(--line)}.academy-path span{grid-row:1/3;color:var(--blue);font-weight:800}.academy-path strong{color:var(--ink)}.academy-path small{color:var(--muted)}.service-hero{padding:76px 0;background:var(--light2)}.service-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}.service-hero-note{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow)}.service-hero-note h2{color:var(--ink);font-size:28px;margin:12px 0 8px}@media(max-width:980px){.academy-hero-grid,.service-hero-grid{grid-template-columns:1fr}.academy-hero,.service-hero{padding:52px 0}}