:root {
  --brand:#2980FE; --brand-dark:#1767D6; --brand-soft:#EAF3FF; --surface:#FFFFFF;
  --surface-soft:#F5F8FD; --gray-soft:#F7F9FC; --text:#172033; --body:#465266;
  --muted:#718096; --border:#DCE6F2; --footer:#10233F; --radius-xl:28px; --radius-lg:22px;
  --shadow:0 18px 45px rgba(28,74,130,.10); --shadow-soft:0 10px 30px rgba(28,74,130,.07);
  --container:min(1180px, calc(100% - 40px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased;overflow-x:hidden}body.menu-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,230,242,.9)}.header-shell{width:var(--container);height:76px;margin:auto;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;flex:0 0 auto}.brand img{width:152px;max-height:42px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;min-width:0;white-space:nowrap}.nav-link{display:flex;align-items:center;min-height:44px;padding:0 11px;border-radius:12px;color:#344158;font-size:14px;font-weight:700;transition:.18s ease}.nav-link:hover,.nav-link:focus-visible,.nav-link.is-active{color:var(--brand);background:var(--brand-soft);outline:none}.nav-item{position:relative}.mega-menu{position:absolute;left:50%;top:calc(100% + 10px);width:590px;transform:translate(-50%,8px);display:grid;grid-template-columns:190px 1fr;gap:18px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.has-mega:hover .mega-menu,.has-mega:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.mega-intro{padding:16px;background:linear-gradient(145deg,#EAF3FF,#F7FAFF);border-radius:16px}.mega-intro span{display:block;color:var(--brand);font-weight:800;margin-bottom:8px}.mega-intro p{margin:0;color:var(--body);font-size:13px;line-height:1.6}.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mega-links a{padding:10px 12px;border-radius:14px}.mega-links a:hover,.mega-links a:focus-visible{background:var(--surface-soft);outline:none}.mega-links strong,.mega-links small{display:block}.mega-links strong{font-size:14px}.mega-links small{margin-top:3px;color:var(--muted);font-size:12px}.header-actions{position:relative;display:flex;align-items:center;gap:8px;flex:0 0 auto}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(41,128,254,.22);transition:transform .18s ease,box-shadow .18s ease;white-space:nowrap}.download-btn:hover,.download-btn:focus-visible{transform:translateY(-1px);box-shadow:0 12px 24px rgba(41,128,254,.28);outline:none}.more-btn,.mobile-menu-btn,.mobile-close{width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:13px;color:var(--text);cursor:pointer}.more-btn{font-size:18px;letter-spacing:2px}.more-menu{position:absolute;right:0;top:54px;width:180px;padding:8px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.more-menu a{display:block;padding:10px 12px;border-radius:10px;font-size:14px;font-weight:700}.more-menu a:hover{background:var(--surface-soft);color:var(--brand)}.mobile-menu-btn{display:none;padding:10px}.mobile-menu-btn span{display:block;height:2px;background:#23314b;margin:5px 0;border-radius:2px}.mobile-overlay{position:fixed;inset:0;z-index:1090;background:rgba(12,30,54,.38);opacity:0;transition:.18s}.mobile-overlay.is-visible{opacity:1}.mobile-drawer{position:fixed;right:0;top:0;z-index:1100;width:min(88vw,420px);height:100dvh;background:#fff;transform:translateX(102%);transition:.22s ease;box-shadow:-18px 0 50px rgba(16,35,63,.15);overflow-y:auto}.mobile-drawer.is-open{transform:none}.mobile-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:17px 20px;border-bottom:1px solid var(--border)}.mobile-close{font-size:29px;line-height:1}.mobile-nav{padding:10px 18px 28px}.mobile-home,.mobile-group>button{width:100%;min-height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 10px;border:0;border-bottom:1px solid #edf2f8;background:#fff;color:var(--text);font-weight:800;text-align:left}.mobile-group-links{display:none;padding:6px 8px 12px}.mobile-group-links.is-open{display:grid}.mobile-group-links a{padding:10px 12px;border-radius:10px;color:var(--body)}.mobile-group-links a:hover{background:var(--surface-soft);color:var(--brand)}
main{overflow:hidden}.container{width:var(--container);margin-inline:auto}.section{padding:86px 0}.section-sm{padding:58px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:99px}.section-title{margin:10px 0 14px;font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.03em}.section-lead{max-width:760px;margin:0;color:var(--body);font-size:17px}.hero{position:relative;padding:78px 0 64px;background:linear-gradient(140deg,#fff 0%,#F7FAFF 45%,#EAF3FF 100%)}.hero::before{content:"";position:absolute;width:380px;height:380px;right:4%;top:5%;border-radius:50%;background:radial-gradient(circle,rgba(41,128,254,.14),rgba(41,128,254,0) 68%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}.hero-copy h1{font-size:clamp(42px,5.8vw,72px);line-height:1.03;letter-spacing:-.05em;margin:16px 0 22px}.hero-copy .lead{font-size:clamp(18px,2vw,22px);color:#33415b;max-width:720px}.hero-copy p{color:var(--body);max-width:700px}.hero-actions,.inline-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.text-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--brand);font-weight:800}.text-btn:hover{border-color:#b9d1f1;background:#f9fbff}.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.tag{padding:7px 11px;border:1px solid #cfe0f5;border-radius:999px;background:rgba(255,255,255,.78);color:#3a5475;font-size:13px;font-weight:700}.product-stage{position:relative;min-height:510px;display:flex;align-items:center;justify-content:center}.product-stage::before{content:"";position:absolute;inset:9% 8%;border-radius:42% 58% 52% 48%;background:linear-gradient(145deg,#dcebff,#f8fbff);border:1px solid #d6e7fb}.product-stage img{position:relative;z-index:2;max-height:510px;object-fit:contain;filter:drop-shadow(0 30px 30px rgba(24,72,130,.18))}.float-note{position:absolute;z-index:3;padding:10px 13px;background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-soft);font-size:13px;font-weight:800;color:#31415c}.float-note.n1{left:0;top:19%}.float-note.n2{right:-2%;top:42%}.float-note.n3{left:6%;bottom:12%}.capability-bar{position:relative;margin-top:-16px}.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow-soft);overflow:hidden}.cap-item{padding:24px}.cap-item+.cap-item{border-left:1px solid var(--border)}.cap-item strong{display:block;margin-bottom:6px}.cap-item p{margin:0;color:var(--body);font-size:14px}.category-wrap{background:#fff}.category-grid{display:grid;gap:16px;margin-top:34px}.category-row{display:grid;gap:16px}.category-row-one{grid-template-columns:2fr 1fr 1fr 1fr}.category-row-two{grid-template-columns:repeat(3,1fr)}.category-row-three{grid-template-columns:.9fr 1.35fr 1.35fr}.category-row-one .category-card:first-child{background:linear-gradient(135deg,#EAF3FF,#fff)}.category-row-three .category-card:nth-child(2),.category-row-three .category-card:nth-child(3){background:linear-gradient(145deg,#f5f9ff,#fff)}.category-card{position:relative;min-height:210px;padding:26px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(160deg,#fff,#f8fbff);overflow:hidden}.category-card::after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-45px;bottom:-50px;background:rgba(41,128,254,.07)}.category-card h3{margin:0 0 10px;font-size:21px}.category-card p{margin:0 0 18px;color:var(--body)}.plain-link{position:relative;z-index:1;color:var(--brand);font-weight:800}.plain-link::after{content:" →"}.feature-panel{background:var(--brand-soft)}.split-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}.image-panel{min-height:460px;display:flex;align-items:center;justify-content:center;padding:28px;border-radius:var(--radius-xl);background:linear-gradient(150deg,#fff,#e5f1ff);border:1px solid #d2e4fb}.image-panel img{max-height:430px;object-fit:contain}.content-panel{padding:34px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-soft)}.check-list{display:grid;gap:11px;margin:22px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:28px;color:var(--body)}.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:900}.two-topic{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-top:32px}.topic-box{padding:34px;border-radius:var(--radius-xl);border:1px solid var(--border);background:#fff}.topic-box.offset{margin-top:38px;background:var(--surface-soft)}.topic-box h3{font-size:27px;margin:0 0 10px}.topic-box p{color:var(--body)}.mini-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.mini-points span{padding:12px 14px;border-radius:13px;background:#fff;border:1px solid var(--border);font-size:14px;font-weight:700}.dapp-zone{background:linear-gradient(180deg,#fff,#F5F8FD)}.dapp-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.dapp-card{padding:36px;border-radius:28px;border:1px solid var(--border);background:#fff}.dapp-card.large{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}.dapp-card img{max-height:300px;object-fit:contain;margin:auto}.security-section{background:linear-gradient(135deg,#102f57,#174f91 55%,#EAF3FF 55%,#F7FAFF);padding:84px 0}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}.security-dark{color:#fff}.security-dark .eyebrow{color:#9cc7ff}.security-dark .eyebrow::before{background:#9cc7ff}.security-dark p{color:#d9e8f7}.security-notes{display:grid;gap:12px}.security-note{padding:17px 18px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);border-radius:16px;color:#eef6ff}.security-light{padding:30px;border-radius:var(--radius-xl);background:#fff;border:1px solid #d8e5f5}.hardware-grid,.swap-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:center}.hardware-visual,.swap-visual{padding:28px;min-height:420px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xl);background:linear-gradient(145deg,#F5F8FD,#EAF3FF);border:1px solid var(--border)}.hardware-visual img,.swap-visual img{max-height:360px;object-fit:contain}.check-panel{padding:30px;border-radius:var(--radius-xl);border:1px solid var(--border);background:#fff}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-pill{padding:13px 14px;border-radius:13px;background:var(--surface-soft);font-size:14px;font-weight:750}.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:34px}.step{position:relative;padding:22px 18px;border-top:3px solid #cbdcf2;background:#fff}.step-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font-weight:900;margin-bottom:12px}.step h3{font-size:17px;margin:0 0 8px}.step p{color:var(--body);font-size:13px;margin:0 0 12px}.ecosystem-duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}.eco-box{padding:36px;border-radius:var(--radius-xl);border:1px solid var(--border);background:#fff}.eco-box:first-child{background:linear-gradient(145deg,#EAF3FF,#fff)}.reminder-list{margin-top:30px;border-top:1px solid var(--border)}.reminder{display:grid;grid-template-columns:140px 1fr 120px;gap:22px;align-items:center;padding:20px 0;border-bottom:1px solid var(--border)}.reminder time{color:var(--brand);font-size:13px;font-weight:800}.reminder h3{font-size:18px;margin:0 0 4px}.reminder p{margin:0;color:var(--body);font-size:14px}.review-track{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.review{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-soft)}.review p{margin:0;color:var(--body)}.review strong{display:block;margin-top:14px;font-size:13px;color:var(--brand)}.faq-list{margin-top:30px;border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;border:0;background:transparent;text-align:left;color:var(--text);font-weight:850;cursor:pointer}.faq-question::after{content:"＋";font-size:22px;color:var(--brand)}.faq-item.is-open .faq-question::after{content:"−"}.faq-answer{display:none;padding:0 0 22px;color:var(--body)}.faq-item.is-open .faq-answer{display:block}.download-cta{padding:52px;border-radius:32px;background:linear-gradient(135deg,#e8f2ff,#f8fbff 52%,#dcecff);border:1px solid #cfe0f4;text-align:center}.download-cta h2{font-size:clamp(30px,4vw,48px);margin:0 0 12px}.download-cta p{max-width:720px;margin:0 auto;color:var(--body)}.download-cta .download-btn{margin-top:24px}.inner-hero{padding:72px 0 58px;background:linear-gradient(140deg,#fff,#F5F8FD 60%,#EAF3FF)}.inner-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.inner-hero h1{font-size:clamp(38px,5vw,60px);line-height:1.08;letter-spacing:-.04em;margin:14px 0 18px}.inner-hero p{color:var(--body);font-size:17px}.inner-visual{min-height:350px;display:flex;align-items:center;justify-content:center;padding:28px;border-radius:var(--radius-xl);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-soft)}.inner-visual img{max-height:320px;object-fit:contain}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.info-card{padding:28px;border:1px solid var(--border);border-radius:22px;background:#fff}.info-card h2,.info-card h3{margin-top:0}.info-card p{color:var(--body)}.info-card.soft{background:var(--surface-soft)}.info-card.blue{background:var(--brand-soft)}.number-list{counter-reset:item;display:grid;gap:14px;padding:0;margin:26px 0;list-style:none}.number-list li{counter-increment:item;position:relative;padding:18px 18px 18px 62px;border:1px solid var(--border);border-radius:16px;background:#fff;color:var(--body)}.number-list li::before{content:counter(item);position:absolute;left:16px;top:15px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:900}.notice{padding:24px 26px;border-left:4px solid var(--brand);border-radius:0 18px 18px 0;background:var(--brand-soft);color:#2f4664}.notice strong{color:var(--text)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:18px}.compare-table{width:100%;border-collapse:collapse;min-width:680px;background:#fff}.compare-table th,.compare-table td{padding:16px 18px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.compare-table th{background:var(--surface-soft);font-size:14px}.compare-table td{color:var(--body)}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-index{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-index a{padding:20px;border:1px solid var(--border);border-radius:17px;background:#fff;font-weight:800}.topic-index a:hover{color:var(--brand);background:var(--surface-soft)}.support-columns{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}.support-menu{padding:24px;border-radius:22px;background:var(--surface-soft);border:1px solid var(--border)}.support-menu a{display:block;padding:12px 14px;border-radius:12px;font-weight:750}.support-menu a:hover{background:#fff;color:var(--brand)}.policy{max-width:900px}.policy h2{margin-top:40px}.policy p,.policy li{color:var(--body)}.site-footer{background:var(--footer);color:#fff;padding:62px 0 0}.footer-shell{width:var(--container);margin:auto;display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:44px}.footer-logo{filter:brightness(0) invert(1);margin-bottom:18px}.footer-brand p{max-width:420px;color:#bbcaDC;font-size:14px}.footer-links h2{font-size:15px;margin:0 0 14px}.footer-links a{display:block;padding:5px 0;color:#c6d4e4;font-size:14px}.footer-links a:hover{color:#fff}.footer-bottom{width:var(--container);margin:42px auto 0;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:24px;color:#9fb0c4;font-size:12px}.footer-bottom p{margin:0}.footer-bottom p:last-child{max-width:660px;text-align:right}
@media (max-width:1100px){.desktop-nav{display:none}.mobile-menu-btn{display:block}.hero-grid,.inner-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:repeat(3,1fr)}.category-row-one,.category-row-two,.category-row-three{grid-template-columns:repeat(2,1fr)}.cap-grid{grid-template-columns:repeat(2,1fr)}.cap-item:nth-child(3){border-left:0;border-top:1px solid var(--border)}.cap-item:nth-child(4){border-top:1px solid var(--border)}.footer-shell{grid-template-columns:1.5fr 1fr 1fr}.footer-links:last-child{grid-column:2/4}.review-track{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){:root{--container:min(100% - 28px,1180px)}.header-shell{height:68px;gap:10px}.brand img{width:126px}.header-actions{margin-left:auto}.more-btn{display:none}.download-btn{min-height:42px;padding:0 14px;border-radius:12px;font-size:14px}.hero{padding:52px 0 40px}.hero-grid,.inner-grid,.split-feature,.two-topic,.dapp-grid,.dapp-card.large,.security-grid,.hardware-grid,.swap-grid,.ecosystem-duo,.content-grid,.support-columns{grid-template-columns:1fr}.hero-copy h1{font-size:42px}.product-stage{min-height:390px;margin-top:8px}.product-stage img{max-height:380px}.float-note{position:relative;display:inline-block;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;margin:6px 5px 0}.capability-bar{margin-top:0}.cap-grid{grid-template-columns:1fr}.cap-item+.cap-item{border-left:0;border-top:1px solid var(--border)}.section{padding:64px 0}.section-sm{padding:46px 0}.category-row-one,.category-row-two,.category-row-three{grid-template-columns:1fr}.category-card{min-height:auto}.topic-box.offset{margin-top:0}.mini-points,.check-grid{grid-template-columns:1fr}.security-section{background:linear-gradient(180deg,#102f57 0 49%,#EAF3FF 49% 100%)}.steps{grid-template-columns:1fr}.step{border-top:0;border-left:3px solid #cbdcf2}.reminder{grid-template-columns:1fr;gap:7px}.review-track,.three-col,.topic-index{grid-template-columns:1fr}.download-cta{padding:36px 22px}.inner-hero{padding:50px 0 42px}.inner-visual{min-height:280px}.footer-shell{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-links:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom p:last-child{text-align:left;margin-top:8px}.content-panel,.topic-box,.dapp-card,.eco-box{padding:26px}.image-panel{min-height:340px}.hardware-visual,.swap-visual{min-height:320px}}
@media (max-width:420px){.brand img{width:112px}.header-actions{gap:5px}.download-btn{padding:0 11px;font-size:13px}.mobile-menu-btn{width:42px;height:42px}.hero-copy h1{font-size:38px}.footer-shell{grid-template-columns:1fr}.footer-links:last-child{grid-column:auto}}