*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:#43566a;line-height:1.75;overflow-x:hidden}a{color:#245f9e;text-decoration:none}button,a{touch-action:manipulation}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.skip{position:fixed;top:-80px;left:10px;z-index:9999;background:#fff;padding:8px}.skip:focus{top:10px}.safety-strip{background:#eaf4ff;text-align:center;padding:8px 16px;font-size:13px}.header{position:sticky;top:0;z-index:1000;background:#fffffff2;border-bottom:1px solid #dce7f2;backdrop-filter:blur(8px)}.headrow{height:76px;display:flex;align-items:center;gap:20px}.headrow img,footer img,.mtop img{width:145px}.desktop{display:flex;flex:1;justify-content:center}.ng{position:relative}.ng>button{border:0;background:transparent;min-height:44px;padding:10px;font:inherit;color:#16283c}.mega{display:none;position:absolute;left:50%;top:58px;transform:translateX(-50%);width:min(820px,85vw);grid-template-columns:1fr 1fr .8fr;gap:24px;padding:24px;background:#fff;border:1px solid #dce7f2;box-shadow:0 18px 50px #16345222;border-radius:14px}.ng.open .mega{display:grid}.mega>div:nth-child(2){display:grid;grid-template-columns:1fr 1fr;gap:8px}.mega a{padding:7px}.rec{background:#f5f8fc;padding:15px}.acts{display:flex;gap:10px;align-items:center}.download-btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;background:#3f8fe5;color:#fff;padding:10px 18px;border-radius:9px;font-weight:700}.small{padding:8px 13px}.hamb{display:none;min-width:44px;min-height:44px;border:0;background:#f5f8fc;font-size:22px}.mobile{display:none}.page-hero{padding:65px 0;background:linear-gradient(120deg,#fff,#f5f8fc);border-bottom:1px solid #dce7f2}.page-hero h1,.home h1{color:#16283c;line-height:1.05;letter-spacing:-.04em;margin:8px 0 18px}.page-hero h1{font-size:clamp(38px,5vw,62px)}.lead{font-size:18px;max-width:830px}.eyebrow{color:#245f9e;font-weight:800;letter-spacing:.12em}.crumb{font-size:13px}.article-wrap{display:grid;grid-template-columns:1fr 250px;gap:60px;padding-top:65px;padding-bottom:65px}.article section{padding:0 0 40px;margin-bottom:40px;border-bottom:1px solid #dce7f2}.article h2{font-size:30px;color:#16283c}.article h3{color:#16283c}.article p{text-align:justify}.article ul{background:#f5f8fc;border-left:4px solid #3f8fe5;padding:18px 22px 18px 42px}.toc{position:sticky;top:110px;height:max-content;border-left:1px solid #dce7f2;padding-left:20px;display:grid;gap:10px}.risk{background:#153f66;color:#dcefff;padding:28px 0}.cta{background:#f5f8fc;padding:50px 0}.cta>.wrap{display:flex;justify-content:space-between;align-items:center;gap:25px}.home{padding:70px 0}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.home h1{font-size:clamp(44px,5.7vw,74px)}.sub{color:#245f9e;font-weight:700;font-size:18px}.hero-links{display:flex;gap:13px;flex-wrap:wrap;margin:25px 0}.stage{background:#edf4fb;border:1px solid #dce7f2;border-radius:22px;min-height:530px;display:flex;justify-content:center;align-items:end;overflow:hidden}.stage img{width:78%}.tasks{display:grid;grid-template-columns:1.2fr .9fr 1.1fr .9fr 1.2fr;border-block:1px solid #dce7f2}.task{padding:22px;border-right:1px solid #dce7f2}.task:last-child{border:0}.task b{display:block;color:#16283c}.section{padding:75px 0}.section h2{font-size:40px;color:#16283c}.mosaic{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}.mosaic article{padding:25px;border:1px solid #dce7f2;border-radius:14px}.mosaic article:first-child{grid-row:span 2;background:#edf4fb}.mosaic img{max-width:100%;height:auto}.network{background:#f5f8fc}.netgrid{display:grid;grid-template-columns:230px 1fr;gap:35px}.tabs{display:flex;flex-direction:column}.tabs button{padding:14px;border:0;background:transparent;text-align:left;min-height:48px}.tabs button[aria-selected=true]{background:#fff;border-left:3px solid #3f8fe5;font-weight:700}.np{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center;background:#fff;border:1px solid #dce7f2;padding:25px;border-radius:14px}.tabs-js .np{display:none}.tabs-js .np.active{display:grid}.np img{max-width:100%}.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.step b{display:grid;place-items:center;width:50px;height:50px;border:2px solid #3f8fe5;border-radius:50%;color:#245f9e}.dark{background:#153f66;color:#dcefff}.dark h2{color:#fff}.two{display:grid;grid-template-columns:1fr 1fr;gap:35px}.dark img{width:100%;background:#fff;border-radius:14px}.faq{border-top:1px solid #dce7f2}.fq{border-bottom:1px solid #dce7f2}.fq button{width:100%;padding:18px 0;border:0;background:#fff;text-align:left;font:inherit;font-weight:700;display:flex;justify-content:space-between}.fa{padding:0 0 18px}.faq.js .fa{display:none}.faq.js .fq.open .fa{display:block}footer{background:#123958;color:#bed2e5;padding:55px 0 20px}footer a{color:#e7f4ff}.foot{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px}.foot>div{display:flex;flex-direction:column;gap:8px}.copy{border-top:1px solid #ffffff22;margin-top:30px;padding-top:18px}.mobile section{border-bottom:1px solid #dce7f2}.acc{width:100%;min-height:50px;border:0;background:#fff;text-align:left;font:inherit;font-weight:700;display:flex;justify-content:space-between}.panel{display:none;padding:8px 0}.panel.open{display:grid}.panel a{padding:8px;background:#f5f8fc;margin:2px}.mtop{display:flex;align-items:center;gap:12px}.mtop img{margin-right:auto}.close{min-width:48px;min-height:48px;border:0;background:#f5f8fc;font-size:30px}@media(max-width:1060px){.desktop{display:none}.hamb{display:block}.mobile{position:fixed;inset:0;background:#fff;z-index:1400;padding:20px;overflow:auto}.mobile.open{display:block}.article-wrap{grid-template-columns:1fr}.toc{position:static;order:-1;background:#f5f8fc;padding:18px}.tasks{grid-template-columns:1fr 1fr}.mosaic{grid-template-columns:1fr 1fr}.mosaic article:first-child{grid-row:auto}.steps{grid-template-columns:repeat(3,1fr)}.foot{grid-template-columns:1fr 1fr}}@media(max-width:680px){.wrap{width:calc(100% - 28px)}.small{display:none}.hero-grid,.two,.np.active{grid-template-columns:1fr}.stage{min-height:390px}.tasks,.mosaic,.steps,.foot{grid-template-columns:1fr}.task{border-right:0;border-bottom:1px solid #dce7f2}.netgrid{grid-template-columns:1fr}.tabs{flex-direction:row;overflow:auto}.tabs button{white-space:nowrap}.article p{text-align:left}.cta>.wrap{align-items:flex-start;flex-direction:column}.section{padding:55px 0}}
.topic-media{display:block;max-width:580px;max-height:360px;width:auto;height:auto;margin-top:28px;border:1px solid #dce7f2;border-radius:14px;background:#fff}.page-security{background:#153f66;color:#dcefff}.page-security h1,.page-security .eyebrow,.page-security a{color:#fff}.layout-security .article section:first-child{background:#f5f8fc;padding:28px;border-left:5px solid #3f8fe5}.layout-tutorial .article section:nth-child(even){background:#f5f8fc;padding:28px;border-radius:12px}.layout-product .article section:nth-child(2){border-left:6px solid #3f8fe5;padding-left:28px}.layout-service .article section{border-left:2px solid #dce7f2;padding-left:24px}.page-product .topic-media{max-height:420px}.web3-process{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}.flow{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.flow div{padding:14px;background:#fff;border-bottom:2px solid #dce7f2}.updates article{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px 0;border-top:1px solid #dce7f2}@media(max-width:680px){.web3-process{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.updates article{grid-template-columns:1fr}.topic-media{max-width:100%}}