:root{--bg:#fff;--soft:#f5f8fc;--soft2:#edf4fb;--blue:#3f8fe5;--deep:#245f9e;--navy:#153f66;--title:#16283c;--text:#43566a;--muted:#718296;--line:#dce7f2;--tag:#eaf4ff;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;font:16px/1.7 Arial,"Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:12px;top:12px;z-index:999;background:#fff;padding:10px}.safety-strip{background:var(--soft2);color:var(--navy);font-size:13px;text-align:center;padding:8px 18px;border-bottom:1px solid var(--line)}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,242,.9)}.header-inner{height:72px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;min-width:132px}.brand img{width:130px;height:auto}.desktop-nav{display:flex;gap:4px;flex:1;justify-content:center}.nav-group{position:relative}.nav-trigger{border:0;background:none;padding:24px 11px;font-size:14px;color:var(--title);cursor:pointer}.nav-trigger:focus-visible,.nav-trigger:hover{color:var(--blue);outline:none}.mega{display:none;position:absolute;top:64px;left:50%;transform:translateX(-50%);width:min(760px,80vw);grid-template-columns:1.25fr 1fr 1fr;gap:28px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 50px rgba(22,40,60,.12);padding:26px;z-index:100}.nav-group.open .mega,.nav-group:focus-within .mega{display:grid}.mega-intro p{font-size:13px;color:var(--muted);margin:8px 0}.mega-intro a,.mega-links a,.mega-picks a{display:block;padding:6px 0}.mega-picks{border-left:1px solid var(--line);padding-left:20px}.mega-picks span{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.header-actions{display:flex;align-items:center;gap:10px}.lang-link{font-weight:700;color:var(--deep)}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;background:var(--blue);color:#fff;border-radius:8px;font-weight:700}.download-btn.small{min-height:42px;padding:0 16px}.mobile-menu-btn{display:none;border:1px solid var(--line);background:#fff;width:44px;height:44px;font-size:20px}.mobile-menu{position:fixed;inset:0;background:#fff;z-index:120;overflow:auto}.mobile-menu-head{height:68px;display:flex;align-items:center;gap:16px;padding:0 20px;border-bottom:1px solid var(--line)}.mobile-menu-head .brand{margin-right:auto}.mobile-menu-close{width:44px;height:44px;border:0;background:none;font-size:32px}.mobile-menu-body{padding:12px 20px 30px}.mobile-menu details{border-bottom:1px solid var(--line)}.mobile-menu summary{min-height:52px;display:flex;align-items:center;font-weight:700}.mobile-menu details>a{display:block;padding:10px 16px}.mobile-menu-foot{display:grid;gap:8px;margin-top:20px}.mobile-menu-foot a{padding:12px;background:var(--soft)}
.hero{padding:74px 0 56px;background:linear-gradient(135deg,#fff 0 58%,var(--soft) 58%)}.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:70px;align-items:center}.eyebrow{display:inline-block;color:var(--deep);font-weight:700;font-size:13px;letter-spacing:.04em;margin-bottom:12px}.hero h1,.page-hero h1{font-size:clamp(38px,5vw,68px);line-height:1.08;color:var(--title);margin:0 0 20px;letter-spacing:-.025em}.hero-sub{font-size:20px;color:var(--deep);font-weight:700}.hero p{max-width:720px}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px}.text-link{font-weight:700;color:var(--deep);padding:10px 0}.cap-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.cap-tags span{background:var(--tag);color:var(--deep);padding:5px 9px;border-radius:6px;font-size:13px}.hero-media{position:relative;padding:32px}.hero-media:before,.hero-media:after{content:"";position:absolute;border:1px solid var(--line);background:var(--soft2);z-index:-1}.hero-media:before{inset:10% 4% 0 16%;transform:rotate(5deg)}.hero-media:after{inset:0 16% 12% 2%;transform:rotate(-4deg);background:#fff}.hero-media img{display:block;max-height:520px;margin:auto;object-fit:contain}
.section{padding:76px 0}.section.soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-head h2,.content-section h2,.cta-band h2,.checklist h2,.prep h2{color:var(--title);font-size:clamp(28px,3vw,42px);line-height:1.2;margin:0 0 10px}.section-head p{max-width:620px}.task-nav{display:grid;grid-template-columns:1.2fr .8fr 1fr .9fr 1.1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.task{padding:24px 20px;border-right:1px solid var(--line)}.task:last-child{border-right:0}.task b{display:block;color:var(--blue);font-size:12px}.task h3{color:var(--title);margin:5px 0 8px}.task p{font-size:14px;margin:0 0 8px}.mosaic{display:grid;grid-template-columns:1.25fr .75fr 1fr;grid-template-rows:auto auto;gap:18px}.mosaic>article{border:1px solid var(--line);padding:28px;background:#fff}.mosaic .wide{grid-column:span 2}.mosaic .deep{background:var(--navy);color:#dbeeff}.mosaic .deep h3{color:#fff}.mosaic img{max-height:190px;object-fit:contain;display:block;margin:15px auto}.network-stage{display:grid;grid-template-columns:270px 1fr;gap:30px}.network-tabs{display:flex;flex-direction:column;border-right:1px solid var(--line)}.network-tabs button{padding:15px;text-align:left;border:0;border-bottom:1px solid var(--line);background:none;color:var(--text);font-weight:700;cursor:pointer}.network-tabs button[aria-selected="true"]{color:var(--blue);background:var(--tag)}.network-panel{display:grid;grid-template-columns:1fr 260px;gap:28px;align-items:center;margin-bottom:28px}.js .network-panel{display:none}.js .network-panel.active{display:grid;margin-bottom:0}.network-panel img{max-height:230px}.steps{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:28px 80px}.steps:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line)}.step{padding:10px 0 10px 28px;position:relative}.step:nth-child(even){margin-top:50px}.step b{font-size:30px;color:var(--blue)}.process{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.process-list{counter-reset:p;display:grid;gap:0}.process-list div{padding:15px 0;border-bottom:1px solid var(--line)}.security-band{background:var(--navy);color:#d6e7f7}.security-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.security-band h2{color:#fff}.security-band img{max-height:260px;display:block;margin:auto}.security-checks{display:grid;gap:8px;margin-top:18px}.security-checks span:before{content:"✓";margin-right:9px;color:#9dd0ff}.academy-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:50px}.feature-article{border-left:4px solid var(--blue);padding-left:26px}.article-list{border-top:1px solid var(--line)}.article-list a{display:block;padding:15px 0;border-bottom:1px solid var(--line)}.article-list small{display:block;color:var(--muted)}.staking-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.staking-grid article{padding:30px;border-top:3px solid var(--blue);background:#fff}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:130px 1fr auto;gap:20px;padding:17px 0;border-bottom:1px solid var(--line);align-items:center}.news-item span{font-size:13px;color:var(--muted)}.faq-list details{border-bottom:1px solid var(--line);padding:14px 0}.faq-list summary{cursor:pointer;font-weight:700;color:var(--title);min-height:44px;display:flex;align-items:center}.faq-list p{margin:10px 0 0}.cta-band{display:flex;justify-content:space-between;gap:30px;align-items:center;background:var(--soft2);padding:36px;margin:60px 0}
.inner-page{padding:36px 0 70px}.breadcrumb{display:flex;gap:10px;font-size:13px;color:var(--muted);margin:8px 0 28px}.page-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center;padding:35px 0 55px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(34px,4.5vw,58px)}.page-hero .lead{font-size:19px;max-width:760px}.page-hero-media img{max-height:300px;display:block;margin:auto}.prep{padding:38px 0}.prep-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.prep-row>div{background:#fff;padding:18px}.prep-row b{display:block;color:var(--blue)}.prep-row span{font-size:14px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:60px;align-items:start}.article-body{min-width:0}.content-section{padding:34px 0;border-bottom:1px solid var(--line);scroll-margin-top:105px}.content-section h2{font-size:30px}.content-section h3{color:var(--title);margin-top:24px}.content-list{padding-left:20px}.content-list li{margin:7px 0}.note{margin-top:20px;padding:18px;border-left:4px solid var(--blue);background:var(--soft2);color:var(--deep)}.toc{position:sticky;top:104px;padding:18px;border-left:1px solid var(--line)}.toc ol{padding-left:20px}.toc li{margin:8px 0;font-size:14px}.mobile-toc{display:none}.checklist{margin-top:42px;background:var(--navy);color:#e7f3ff;padding:30px}.checklist h2{color:#fff;font-size:28px}.checklist ul{columns:2;gap:30px}.checklist li{margin-bottom:8px}
.site-footer{background:#123958;color:#d5e8fa;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px}.footer-grid>div{display:flex;flex-direction:column;gap:9px}.footer-grid strong{color:#fff}.footer-logo{width:140px;filter:brightness(0) invert(1)}.footer-alert{font-size:13px;color:#9ec9ef}.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:35px;padding-top:18px;display:flex;gap:20px;justify-content:space-between;font-size:12px;color:#a9c9e5}
@media(max-width:1024px){.desktop-nav{display:none}.mobile-menu-btn{display:block}.hero-grid,.page-hero,.security-grid,.academy-grid,.process{grid-template-columns:1fr}.hero{background:#fff}.hero-media{max-width:620px}.mosaic{grid-template-columns:1fr 1fr}.mosaic .wide{grid-column:span 1}.network-stage{grid-template-columns:1fr}.network-tabs{flex-direction:row;overflow:auto;border-right:0;border-bottom:1px solid var(--line)}.network-tabs button{white-space:nowrap}.article-layout{grid-template-columns:1fr}.toc{display:none}.mobile-toc{display:block;margin:25px 0;padding:15px;background:var(--soft)}.footer-grid{grid-template-columns:1fr 1fr}.steps:before{left:14px}.steps{grid-template-columns:1fr;gap:10px}.step,.step:nth-child(even){margin:0;padding-left:42px}.step:before{content:"";position:absolute;left:8px;top:28px;width:13px;height:13px;border-radius:50%;background:var(--blue)}}
@media(max-width:720px){.container{width:min(calc(100% - 28px),var(--max))}.safety-strip{text-align:left}.header-inner{height:62px}.brand img{width:115px}.download-btn.small{display:none}.hero{padding:45px 0 30px}.hero-grid{gap:25px}.hero h1{font-size:38px}.hero-sub{font-size:17px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .download-btn{width:100%}.task-nav{grid-template-columns:1fr}.task{border-right:0;border-bottom:1px solid var(--line)}.task:last-child{border-bottom:0}.mosaic{grid-template-columns:1fr}.network-panel,.staking-grid{grid-template-columns:1fr}.section{padding:52px 0}.section-head{display:block}.news-item{grid-template-columns:1fr;gap:3px}.page-hero{padding-top:12px;gap:20px}.page-hero h1{font-size:36px}.page-hero-media{order:2}.prep-row{grid-template-columns:1fr}.checklist ul{columns:1}.cta-band{display:block;padding:24px;margin:40px 0}.cta-band .download-btn{margin-top:12px;width:100%}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.mobile-menu-btn{display:block}.section h2{font-size:30px}}