:root{
  --blue:#2980FE;--blue-dark:#1767D6;--blue-soft:#EAF3FF;--blue-pale:#F5F8FD;--gray:#F7F9FC;--white:#FFFFFF;
  --text:#172033;--body:#465266;--muted:#718096;--line:#DCE6F2;--footer:#10233F;--shadow:0 18px 50px rgba(23,103,214,.10);
  --radius-xl:28px;--radius-lg:22px;--radius-md:16px;--container:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input,textarea{font:inherit}.skip-link{position:fixed;left:16px;top:-60px;background:var(--footer);color:#fff;padding:10px 16px;border-radius:10px;z-index:9999}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(220,230,242,.8);backdrop-filter:blur(18px)}.header-inner{width:var(--container);min-height:78px;margin:auto;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;min-width:0}.nav-link{display:flex;align-items:center;min-height:78px;padding:0 12px;color:var(--text);font-size:15px;font-weight:700;white-space:nowrap;position:relative}.nav-link:after{content:"";position:absolute;left:12px;right:12px;bottom:18px;height:2px;background:var(--blue);transform:scaleX(0);transition:.2s}.nav-link:hover:after,.nav-link:focus:after,.nav-link.is-active:after{transform:scaleX(1)}.nav-group{position:relative}.mega-menu{position:absolute;left:50%;top:calc(100% - 4px);width:680px;transform:translate(-50%,12px);display:grid;grid-template-columns:220px 1fr;gap:18px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 24px 64px rgba(16,35,63,.15);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.mega-menu.compact{width:610px}.mega-menu.right-aligned{left:auto;right:-140px;transform:translate(0,12px)}.nav-group:hover .mega-menu,.nav-group:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.nav-group:hover .mega-menu.right-aligned,.nav-group:focus-within .mega-menu.right-aligned{transform:translate(0,0)}.mega-intro{padding:18px;background:linear-gradient(145deg,var(--blue-soft),#fff);border-radius:18px}.mega-intro span{display:block;color:var(--blue-dark);font-size:13px;font-weight:800;letter-spacing:.08em}.mega-intro strong{display:block;color:var(--text);font-size:18px;line-height:1.4;margin:10px 0}.mega-intro p{margin:0;font-size:13px;color:var(--muted)}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mega-links a{padding:12px;border-radius:14px;transition:.2s}.mega-links a:hover,.mega-links a:focus{background:var(--blue-pale)}.mega-links b,.mega-links small{display:block}.mega-links b{font-size:14px;color:var(--text)}.mega-links small{font-size:12px;color:var(--muted);margin-top:3px}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.download-btn,.primary-btn,.secondary-btn,.text-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:14px;font-weight:800;transition:.2s}.download-btn,.primary-btn{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;box-shadow:0 10px 24px rgba(41,128,254,.25)}.download-btn:hover,.primary-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(41,128,254,.33)}.secondary-btn{background:#fff;color:var(--blue-dark);border:1px solid var(--line)}.secondary-btn:hover{border-color:var(--blue);background:var(--blue-pale)}.text-btn{padding:0;color:var(--blue-dark);min-height:auto}.text-btn:after{content:"→";margin-left:8px}.menu-toggle{width:46px;height:46px;border:1px solid var(--line);border-radius:14px;background:#fff;display:grid;place-content:center;gap:5px;cursor:pointer}.menu-toggle span{width:20px;height:2px;background:var(--text);border-radius:2px}.menu-overlay{position:fixed;inset:0;background:rgba(16,35,63,.48);z-index:1200;opacity:0;transition:.22s}.menu-overlay.is-visible{opacity:1}.mobile-menu{position:fixed;top:0;right:0;bottom:0;width:min(480px,92vw);z-index:1300;background:#fff;transform:translateX(102%);transition:.28s;overflow-y:auto;padding:20px}.mobile-menu.is-open{transform:translateX(0)}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}.menu-close{width:46px;height:46px;border:0;border-radius:14px;background:var(--blue-pale);color:var(--text);font-size:30px;line-height:1;cursor:pointer}.mobile-menu-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.mobile-menu details{border-bottom:1px solid var(--line)}.mobile-menu summary{cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;font-weight:800;color:var(--text);list-style:none}.mobile-menu summary:after{content:"＋";color:var(--blue)}.mobile-menu details[open] summary:after{content:"－"}.mobile-menu details div{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 0 16px}.mobile-menu details a{min-height:44px;display:flex;align-items:center;padding:8px 12px;background:var(--gray);border-radius:12px;color:var(--body)}
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p{margin:0}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero{position:relative;padding:76px 0 48px;background:radial-gradient(circle at 90% 10%,rgba(41,128,254,.16),transparent 30%),linear-gradient(180deg,#fff 0%,var(--blue-pale) 100%);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:48px}.hero-copy p{max-width:690px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.hero-tags span{padding:9px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--text);font-weight:700;font-size:14px}.hero-visual{position:relative;min-height:520px;display:grid;place-items:center}.hero-visual:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;background:linear-gradient(145deg,rgba(41,128,254,.22),rgba(255,255,255,.55));filter:blur(1px)}.hero-visual>img{position:relative;z-index:2;max-height:510px;object-fit:contain;filter:drop-shadow(0 28px 50px 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var(--line);border-radius:var(--radius-lg);background:#fff;overflow:hidden;transition:.25s}.category-card:after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-34px;bottom:-42px;background:var(--blue-soft)}.category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bfd6f5}.category-card.wide{grid-column:span 2;background:linear-gradient(135deg,var(--blue-soft),#fff)}.category-card.tall{min-height:268px}.category-card h3{position:relative;z-index:1}.category-card p{position:relative;z-index:1;margin:0 0 18px}.category-card a{position:relative;z-index:1;color:var(--blue-dark);font-weight:800}.feature-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center;padding:52px;background:linear-gradient(135deg,var(--blue-soft),#fff);border-radius:var(--radius-xl)}.feature-panel.reverse{grid-template-columns:1.1fr .9fr}.feature-panel.reverse .feature-media{order:2}.feature-media{display:grid;place-items:center;min-height:420px}.feature-media img{max-height:410px;object-fit:contain;filter:drop-shadow(0 24px 42px rgba(16,35,63,.14))}.check-list,.plain-list{padding:0;margin:24px 0;list-style:none}.check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check-list li{position:relative;padding:13px 14px 13px 44px;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--text);font-weight:700}.check-list li:before{content:"✓";position:absolute;left:14px;top:12px;width:22px;height:22px;border-radius:50%;background:var(--blue-soft);color:var(--blue-dark);display:grid;place-items:center;font-size:13px}.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.topic-panel{padding:38px;border-radius:var(--radius-xl);border:1px solid var(--line);background:#fff}.topic-panel.offset{margin-top:52px;background:linear-gradient(145deg,#fff,var(--blue-pale))}.topic-panel ul{padding-left:20px}.dapp-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.dapp-card{padding:42px;border-radius:var(--radius-xl);background:linear-gradient(145deg,var(--blue-pale),#fff);border:1px solid var(--line)}.dapp-card.small{margin-top:62px;background:#fff}.dapp-image{margin-top:28px;max-height:260px;object-fit:contain}.security-band{background:linear-gradient(135deg,var(--footer),#154477);color:#dfeeff;border-radius:var(--radius-xl);padding:54px;position:relative;overflow:hidden}.security-band:after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(41,128,254,.22);right:-100px;top:-120px}.security-band h2,.security-band h3{color:#fff}.security-band .check-list li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}.security-band .check-list li:before{background:rgba(255,255,255,.14);color:#fff}.swap-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:36px;align-items:center}.swap-card{padding:36px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl)}.swap-card img{max-height:300px;margin:auto;object-fit:contain}.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:flow}.flow-step{position:relative;padding:28px 20px 22px;background:#fff;border:1px solid var(--line);border-radius:20px;min-height:255px}.flow-step:before{counter-increment:flow;content:counter(flow,decimal-leading-zero);display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--blue);color:#fff;font-weight:900;margin-bottom:24px}.flow-step:not(:last-child):after{content:"→";position:absolute;right:-13px;top:42px;color:var(--blue);font-weight:900;z-index:2}.flow-step h3{font-size:18px}.flow-step p{font-size:14px;color:var(--muted)}.timeline{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;padding:20px 24px;border:1px solid var(--line);border-radius:18px;background:#fff}.timeline-item time{color:var(--blue-dark);font-weight:900}.timeline-item strong{display:block;color:var(--text);font-size:18px}.timeline-item p{margin:4px 0 0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review{padding:26px;border-radius:20px;background:#fff;border:1px solid var(--line)}.review:nth-child(2n){background:var(--blue-pale)}.review p{margin:0}.review strong{display:block;margin-top:18px;color:var(--text);font-size:14px}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.faq-item>button{width:100%;min-height:64px;padding:18px 22px;border:0;background:#fff;color:var(--text);display:flex;align-items:center;justify-content:space-between;text-align:left;font-weight:800;cursor:pointer}.faq-item>button:after{content:"＋";color:var(--blue);font-size:22px}.faq-item>button[aria-expanded="true"]:after{content:"－"}.faq-answer{padding:0 22px 22px}.faq-answer p{margin:0}.download-cta{padding:54px;text-align:center;border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#eaf3ff;box-shadow:0 24px 60px rgba(41,128,254,.28)}.download-cta h2{color:#fff}.download-cta .download-btn{background:#fff;color:var(--blue-dark);box-shadow:none}.page-hero{padding:82px 0 62px;background:radial-gradient(circle at 82% 10%,rgba(41,128,254,.15),transparent 30%),linear-gradient(180deg,#fff,var(--blue-pale))}.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.page-hero h1{font-size:clamp(40px,5vw,66px)}.page-hero-media{display:grid;place-items:center;min-height:340px}.page-hero-media img{max-height:330px;object-fit:contain;filter:drop-shadow(0 24px 40px rgba(16,35,63,.13))}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.info-card{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}.info-card.accent{background:var(--blue-pale)}.info-card p:last-child{margin-bottom:0}.prose{max-width:850px}.prose h2{margin-top:48px}.prose h3{margin-top:30px}.prose p,.prose li{font-size:17px}.data-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.data-table th,.data-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line)}.data-table th{background:var(--blue-pale);color:var(--text)}.data-table tr:last-child td{border-bottom:0}.step-list{display:grid;gap:18px;counter-reset:steps}.step-item{position:relative;padding:26px 26px 26px 86px;border:1px solid var(--line);border-radius:20px;background:#fff}.step-item:before{counter-increment:steps;content:counter(steps);position:absolute;left:24px;top:24px;width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--blue);color:#fff;font-weight:900}.notice{padding:24px 26px;border-left:4px solid var(--blue);border-radius:0 16px 16px 0;background:var(--blue-pale)}.contact-options{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.contact-option{padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff}.site-footer{background:var(--footer);color:#c8d8ec}.footer-main{width:var(--container);margin:auto;padding:68px 0 48px;display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:44px}.footer-brand img{filter:brightness(0) invert(1);margin-bottom:20px}.footer-brand p{max-width:420px}.footer-column h2{font-size:16px;color:#fff;margin-bottom:16px}.footer-column a{display:block;padding:5px 0;color:#c8d8ec}.footer-column a:hover{color:#fff}.footer-bottom{width:var(--container);margin:auto;padding:20px 0 30px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:14px}.footer-bottom div{display:flex;gap:18px}
@media(max-width:1100px){.desktop-nav{display:none}.header-inner{min-height:70px}.header-download{min-height:42px;padding:0 16px}.hero-grid,.page-hero-grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:repeat(3,1fr)}.flow-step:nth-child(3):after{display:none}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card.wide{grid-column:span 1}.content-grid,.review-grid{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:1.5fr 1fr 1fr}.footer-column:last-child{grid-column:2/4}.capability-strip{grid-template-columns:repeat(2,1fr)}.capability-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}.capability-item:nth-child(4){border-top:1px solid var(--line)}}
@media(max-width:767px){:root{--container:min(1180px,calc(100% - 28px))}.section{padding:66px 0}.section-sm{padding:48px 0}.header-inner{gap:10px}.brand img{width:128px}.header-download{padding:0 13px;font-size:14px}.menu-toggle{width:44px;height:44px}.hero{padding:54px 0 34px}.hero-grid,.page-hero-grid{grid-template-columns:1fr}.hero-visual{min-height:390px}.hero-visual:before{width:310px;height:310px}.hero-visual>img{max-height:360px}.float-note{font-size:12px;padding:10px 12px}.float-note.one{left:0;top:8%}.float-note.two{right:0;top:44%}.float-note.three{left:2%;bottom:4%}h1{font-size:43px}.section-head{display:block}.section-head .text-btn{margin-top:18px}.capability-strip{grid-template-columns:1fr;margin-top:12px}.capability-item+ .capability-item{border-left:0;border-top:1px solid var(--line)}.category-grid,.split-grid,.dapp-layout,.content-grid,.review-grid,.contact-options{grid-template-columns:1fr}.category-card.wide{grid-column:auto}.feature-panel,.feature-panel.reverse,.swap-grid{grid-template-columns:1fr;padding:28px;gap:26px}.feature-panel.reverse .feature-media{order:0}.feature-media{min-height:280px}.feature-media img{max-height:280px}.check-list{grid-template-columns:1fr}.topic-panel.offset,.dapp-card.small{margin-top:0}.security-band{padding:30px 24px}.flow{grid-template-columns:1fr}.flow-step{min-height:auto}.flow-step:after{content:"↓"!important;display:block!important;right:auto!important;left:38px!important;top:auto!important;bottom:-17px!important}.flow-step:last-child:after{display:none!important}.timeline-item{grid-template-columns:1fr;gap:6px}.timeline-item .text-btn{justify-self:start}.page-hero{padding:58px 0 44px}.page-hero-media{min-height:260px}.page-hero-media img{max-height:260px}.data-table{display:block;overflow-x:auto;white-space:nowrap}.footer-main{grid-template-columns:1fr;padding:52px 0 36px}.footer-column:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom div{margin-top:10px;flex-wrap:wrap}.download-cta{padding:38px 24px}.mobile-menu details div{grid-template-columns:1fr}}
@media(max-width:390px){.header-download{display:none}.hero-tags{gap:7px}.hero-tags span{font-size:12px}.mobile-menu{width:100vw}.mobile-menu-actions{grid-template-columns:1fr}}