:root {
  --blue:#2980FE; --blue-deep:#1767D6; --blue-soft:#EAF3FF; --blue-mist:#F5F8FD;
  --gray:#F7F9FC; --white:#FFFFFF; --ink:#172033; --body:#465266; --muted:#718096;
  --line:#DCE6F2; --footer:#10233F; --shadow:0 18px 50px rgba(37,92,160,.10);
  --radius:24px; --max:1220px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--body);background:var(--white);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",Arial,sans-serif;line-height:1.75;overflow-x: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:-80px;z-index:9999;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,230,242,.8)}.header-inner{width:min(var(--max),calc(100% - 40px));height:76px;margin:auto;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:166px;height:auto}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0;flex:1;white-space:nowrap}.nav-link{position:relative;padding:14px 10px;color:#34425a;font-size:14px;font-weight:700}.nav-link:hover,.nav-link:focus-visible,.nav-link.is-current{color:var(--blue)}.nav-link.is-current:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--blue)}.nav-item{position:relative;display:flex;align-items:center}.submenu-toggle{width:24px;height:36px;border:0;background:transparent;color:var(--muted);padding:0;cursor:pointer}.mega-menu{position:absolute;top:calc(100% + 18px);left:50%;transform:translate(-50%,10px);width:720px;padding:20px;display:grid;grid-template-columns:1.15fr repeat(2,1fr);gap:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-20px;height:22px}.mega-menu a{padding:14px 15px;border-radius:14px;background:var(--blue-mist);white-space:normal}.mega-menu a:hover,.mega-menu a:focus-visible{background:var(--blue-soft);color:var(--blue-deep)}.mega-menu b,.mega-menu small{display:block}.mega-menu b{font-size:14px;color:var(--ink)}.mega-menu small{font-size:12px;line-height:1.55;color:var(--muted);margin-top:3px}.mega-intro{grid-row:span 2;padding:18px;border-radius:16px;background:linear-gradient(145deg,var(--blue),var(--blue-deep));color:#fff;white-space:normal}.mega-intro strong,.mega-intro span{display:block}.mega-intro strong{font-size:20px;margin-bottom:8px}.mega-intro span{font-size:13px;line-height:1.6;color:rgba(255,255,255,.82)}.mega-menu-compact{width:650px}.mega-menu-small{width:560px;grid-template-columns:1.1fr 1fr}.mega-menu-right{left:auto;right:-80px;transform:translate(0,10px)}.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu,.nav-item.is-expanded .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.nav-item:hover .mega-menu-right,.nav-item:focus-within .mega-menu-right,.nav-item.is-expanded .mega-menu-right{transform:translate(0,0)}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 23px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;font-weight:800;box-shadow:0 12px 24px rgba(41,128,254,.24);transition:transform .18s ease,box-shadow .18s ease}.download-btn:hover,.download-btn:focus-visible{transform:translateY(-2px);box-shadow:0 16px 30px rgba(41,128,254,.30)}.header-download{min-height:44px;padding:0 18px;font-size:14px}.menu-button{width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}.menu-button span{width:20px;height:2px;background:var(--ink);border-radius:2px}.drawer-overlay{position:fixed;inset:0;z-index:1190;background:rgba(8,25,53,.45);opacity:0;transition:.2s}.drawer-overlay.is-visible{opacity:1}.mobile-drawer{position:fixed;z-index:1200;top:0;right:0;width:min(92vw,430px);height:100dvh;padding:18px 22px 32px;background:#fff;transform:translateX(105%);transition:.24s ease;overflow-y:auto;box-shadow:-22px 0 60px rgba(16,35,63,.2)}.mobile-drawer.is-open{transform:none}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.drawer-close{width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:14px;font-size:28px;line-height:1;cursor:pointer}.drawer-primary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.drawer-primary a{padding:12px 8px;background:var(--blue-mist);border-radius:12px;text-align:center;color:var(--ink);font-weight:700;font-size:14px}.mobile-group{border-top:1px solid var(--line)}.mobile-group>button{width:100%;height:58px;padding:0;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;color:var(--ink);font-weight:800;cursor:pointer}.mobile-group>div{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:0;overflow:hidden;transition:.2s}.mobile-group.is-open>div{max-height:340px;padding-bottom:14px}.mobile-group a{padding:11px 12px;border-radius:11px;background:var(--gray);font-size:14px}.section{padding:96px 0}.section-sm{padding:68px 0}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--blue-deep);font-size:14px;font-weight:900;letter-spacing:.08em}.eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:2px}.section-heading{max-width:760px;margin-bottom:36px}.section-heading.center{text-align:center;margin-left:auto;margin-right:auto}.section-heading.center .eyebrow{justify-content:center}.section-heading h1,.section-heading h2{margin:0;color:var(--ink);line-height:1.2;letter-spacing:-.025em}.section-heading h1{font-size:clamp(38px,6vw,68px)}.section-heading h2{font-size:clamp(30px,4vw,48px)}.section-heading p{margin:16px 0 0;font-size:18px;color:var(--muted)}.hero{position:relative;overflow:hidden;padding:84px 0 76px;background:radial-gradient(circle at 85% 20%,rgba(41,128,254,.18),transparent 30%),linear-gradient(180deg,#fff 0%,var(--blue-mist) 100%)}.hero:before{content:"";position:absolute;left:-140px;bottom:-220px;width:420px;height:420px;border-radius:50%;border:80px solid rgba(41,128,254,.05)}.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:50px}.hero-copy h1{margin:0;color:var(--ink);font-size:clamp(44px,6vw,76px);line-height:1.05;letter-spacing:-.045em}.hero-copy h1 span{display:block;color:var(--blue)}.hero-copy>p{font-size:19px;max-width:690px;margin:24px 0;color:#526078}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.button-secondary,.text-link{display:inline-flex;align-items:center;justify-content:center;min-height:48px}.button-secondary{padding:0 22px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-weight:800}.button-secondary:hover{border-color:var(--blue);color:var(--blue)}.text-link{color:var(--blue-deep);font-weight:800}.text-link:after{content:"→";margin-left:8px}.tag-row{display:flex;gap:9px;flex-wrap:wrap}.tag-row span{padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);font-weight:700}.hero-visual{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center}.hero-visual:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;background:linear-gradient(145deg,rgba(41,128,254,.14),rgba(255,255,255,.2));border:1px solid rgba(41,128,254,.12)}.hero-visual img{position:relative;z-index:2;max-height:520px;filter:drop-shadow(0 30px 38px rgba(30,73,130,.22))}.float-note{position:absolute;z-index:3;width:175px;padding:13px 15px;border-radius:16px;background:rgba(255,255,255,.94);border:1px solid var(--line);box-shadow:0 14px 30px rgba(37,92,160,.11);color:var(--ink);font-size:13px;font-weight:800}.float-note small{display:block;margin-top:2px;color:var(--muted);font-weight:600}.float-one{left:0;top:18%}.float-two{right:0;top:42%}.float-three{left:8%;bottom:10%}.capability-strip{margin-top:-1px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.capability-grid{display:grid;grid-template-columns:repeat(4,1fr)}.capability-item{padding:28px 26px;border-right:1px solid var(--line)}.capability-item:last-child{border-right:0}.capability-item strong{display:block;color:var(--ink);font-size:18px;margin-bottom:6px}.capability-item p{margin:0;font-size:14px;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.category-card{min-height:210px;padding:26px;border-radius:22px;border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;justify-content:space-between;transition:.18s ease}.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c5d9f5}.category-card h3{margin:0 0 10px;color:var(--ink);font-size:22px}.category-card p{margin:0 0 20px;color:var(--muted)}.category-card a{color:var(--blue-deep);font-weight:800}.category-card a:after{content:" →"}.category-card.featured{grid-column:span 3;background:linear-gradient(145deg,var(--blue),var(--blue-deep));border:0;color:#fff}.category-card.featured h3,.category-card.featured a{color:#fff}.category-card.featured p{color:rgba(255,255,255,.8)}.category-card.standard{grid-column:span 1}.category-card.medium{grid-column:span 2}.category-card.soft{background:var(--blue-mist)}.category-card.warm{background:linear-gradient(145deg,#fff,#f1f6ff)}.feature-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center;padding:58px;border-radius:30px;background:var(--blue-soft)}.feature-panel.reverse{grid-template-columns:1.1fr .9fr}.feature-media{min-height:430px;display:flex;align-items:center;justify-content:center;border-radius:26px;background:rgba(255,255,255,.75);overflow:hidden}.feature-media img{max-height:440px;padding:28px;object-fit:contain}.feature-copy h2,.split-card h2,.topic-card h3{margin:0;color:var(--ink);line-height:1.22}.feature-copy h2{font-size:clamp(30px,4vw,48px)}.feature-copy p{font-size:17px}.check-list{list-style:none;padding:0;margin:24px 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-list li{position:relative;padding:11px 14px 11px 38px;background:#fff;border:1px solid rgba(220,230,242,.9);border-radius:13px;color:#34425a}.check-list li:before{content:"✓";position:absolute;left:13px;color:var(--blue);font-weight:900}.link-row{display:flex;gap:22px;flex-wrap:wrap}.split-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.split-card{padding:38px;border-radius:26px;background:#fff;border:1px solid var(--line)}.split-card.offset{margin-top:52px;background:var(--blue-mist)}.split-card h2{font-size:34px}.split-card p{font-size:16px}.data-list{margin:24px 0;padding:0;list-style:none}.data-list li{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line)}.data-list li:last-child{border-bottom:0}.data-list b{color:var(--ink)}.data-list span{width:30px;height:30px;border-radius:10px;background:var(--blue-soft);display:flex;align-items:center;justify-content:center;color:var(--blue-deep);font-weight:900;flex:0 0 auto}.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.topic-card{position:relative;overflow:hidden;padding:42px;border-radius:28px;background:var(--blue-mist);min-height:420px}.topic-card.tall{background:linear-gradient(150deg,#fff,var(--blue-soft));border:1px solid var(--line)}.topic-card h3{font-size:34px}.topic-card img{max-height:220px;margin:24px auto 0;object-fit:contain}.topic-card ul{padding-left:20px}.security-band{position:relative;overflow:hidden;border-radius:32px;padding:64px;background:linear-gradient(135deg,var(--footer),#174a86);color:#dceaff}.security-band:after{content:"";position:absolute;right:-80px;top:-130px;width:360px;height:360px;border:64px solid rgba(255,255,255,.05);border-radius:50%}.security-band .section-heading{position:relative;z-index:2}.security-band h2{color:#fff}.security-band .section-heading p{color:#c7d9ef}.security-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.security-point{padding:20px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.06)}.security-point strong{display:block;color:#fff;margin-bottom:7px}.security-point p{margin:0;font-size:14px;color:#bed0e8}.notice{position:relative;z-index:2;margin-top:24px;padding:20px;border-left:3px solid #80b8ff;background:rgba(255,255,255,.08);border-radius:0 15px 15px 0}.swap-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch}.swap-intro,.check-panel{padding:38px;border-radius:28px}.swap-intro{background:var(--blue-mist);display:flex;flex-direction:column}.swap-intro img{max-height:230px;object-fit:contain;margin:auto}.check-panel{border:1px solid var(--line);background:#fff}.check-panel h2{margin-top:0;color:var(--ink)}.check-panel .check-list{grid-template-columns:1fr}.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:step}.step{position:relative;padding:26px 18px;border:1px solid var(--line);border-radius:20px;background:#fff;counter-increment:step}.step:before{content:counter(step,decimal-leading-zero);display:block;color:var(--blue);font-size:28px;font-weight:900;margin-bottom:18px}.step h3{font-size:17px;color:var(--ink);margin:0 0 8px}.step p{font-size:13px;color:var(--muted);margin:0 0 14px}.step a{color:var(--blue-deep);font-weight:800;font-size:13px}.ecosystem-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.ecosystem-card{padding:42px;border-radius:28px;background:linear-gradient(145deg,var(--blue-mist),#fff);border:1px solid var(--line)}.ecosystem-card.alt{background:linear-gradient(145deg,var(--blue),var(--blue-deep));color:#dceaff;border:0}.ecosystem-card h2{color:var(--ink);font-size:34px;margin-top:0}.ecosystem-card.alt h2,.ecosystem-card.alt a{color:#fff}.ecosystem-card.alt p{color:#dceaff}.timeline{display:grid;gap:0;border-left:2px solid var(--line);margin-left:10px}.timeline-item{position:relative;padding:0 0 28px 34px}.timeline-item:before{content:"";position:absolute;left:-8px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px var(--blue-soft)}.timeline-item small{color:var(--blue-deep);font-weight:800}.timeline-item h3{margin:3px 0 6px;color:var(--ink)}.timeline-item p{margin:0;color:var(--muted)}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review{padding:26px;border-radius:22px;background:#fff;border:1px solid var(--line)}.review p{margin:0 0 20px;color:#4b5870}.review strong{display:block;color:var(--ink)}.review span{font-size:13px;color:var(--muted)}.faq-list{max-width:940px;margin:auto;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:22px 4px;border:0;background:transparent;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--ink);font-weight:800;cursor:pointer}.faq-question:after{content:"＋";font-size:24px;color:var(--blue)}.faq-item.is-open .faq-question:after{content:"－"}.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease}.faq-item.is-open .faq-answer{max-height:360px}.faq-answer>div{padding:0 4px 24px;color:var(--muted)}.cta-band{padding:64px;border-radius:30px;text-align:center;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.22),transparent 25%),linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff}.cta-band h2{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:0}.cta-band p{max-width:720px;margin:16px auto 26px;color:rgba(255,255,255,.82)}.cta-band .download-btn{background:#fff;color:var(--blue-deep);box-shadow:none}.site-footer{padding:70px 0 24px;background:var(--footer);color:#b8c8dc}.footer-grid{width:min(var(--max),calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:48px}.footer-brand img{filter:brightness(0) invert(1);margin-bottom:18px}.footer-brand p{max-width:420px}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 16px}.footer-grid>div:not(.footer-brand) a{display:block;padding:5px 0;font-size:14px}.footer-grid a:hover{color:#fff}.footer-bottom{width:min(var(--max),calc(100% - 40px));margin:50px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;font-size:13px}.footer-bottom span:last-child{display:flex;gap:18px}.page-hero{position:relative;overflow:hidden;padding:92px 0 70px;background:linear-gradient(180deg,#fff,var(--blue-mist))}.page-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:50px}.page-hero h1{margin:0;color:var(--ink);font-size:clamp(42px,6vw,68px);line-height:1.08;letter-spacing:-.035em}.page-hero p{font-size:18px;color:var(--muted);max-width:760px}.page-hero-art{min-height:320px;border-radius:28px;background:linear-gradient(145deg,var(--blue-soft),#fff);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.page-hero-art:before,.page-hero-art:after{content:"";position:absolute;border-radius:50%}.page-hero-art:before{width:180px;height:180px;background:rgba(41,128,254,.12);right:-30px;top:-30px}.page-hero-art:after{width:130px;height:130px;border:28px solid rgba(41,128,254,.08);left:10%;bottom:-40px}.page-hero-art .art-mark{position:relative;z-index:2;width:150px;height:150px;border-radius:44px;background:linear-gradient(145deg,var(--blue),var(--blue-deep));display:flex;align-items:center;justify-content:center;color:#fff;font-size:58px;font-weight:900;box-shadow:0 26px 45px rgba(41,128,254,.25)}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.content-card{padding:34px;border:1px solid var(--line);border-radius:24px;background:#fff}.content-card.soft{background:var(--blue-mist)}.content-card h2,.content-card h3{color:var(--ink);margin-top:0}.content-card h2{font-size:32px}.content-card h3{font-size:22px}.content-card p:last-child{margin-bottom:0}.number-list{display:grid;gap:14px;counter-reset:item}.number-item{counter-increment:item;display:grid;grid-template-columns:44px 1fr;gap:14px;padding:20px;border-radius:18px;background:var(--gray)}.number-item:before{content:counter(item);width:44px;height:44px;border-radius:14px;background:var(--blue-soft);display:flex;align-items:center;justify-content:center;color:var(--blue-deep);font-weight:900}.number-item h3{margin:0 0 5px;color:var(--ink);font-size:18px}.number-item p{margin:0;color:var(--muted)}.info-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}.info-table th,.info-table td{padding:15px 17px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:0}.info-table th{width:28%;background:var(--blue-mist);color:var(--ink)}.callout{padding:24px;border-radius:20px;background:var(--blue-soft);border-left:4px solid var(--blue)}.callout strong{display:block;color:var(--ink);margin-bottom:6px}.simple-list{padding-left:20px}.simple-list li{margin:8px 0}.contact-options{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.contact-option{padding:28px;border-radius:22px;background:var(--blue-mist);border:1px solid var(--line)}.contact-option h3{color:var(--ink);margin-top:0}.privacy-section{max-width:920px;margin:auto}.privacy-section h2{color:var(--ink);margin-top:42px}.privacy-section h2:first-child{margin-top:0}
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@media (max-width:860px){.section{padding:72px 0}.hero{padding:62px 0}.hero-grid,.page-hero-grid,.feature-panel,.feature-panel.reverse,.split-layout,.topic-grid,.swap-grid,.ecosystem-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.hero-copy>p{margin-left:auto;margin-right:auto}.hero-actions,.tag-row{justify-content:center}.hero-visual{min-height:440px}.float-one{left:2%}.float-two{right:2%}.capability-grid{grid-template-columns:1fr 1fr}.capability-item:nth-child(2){border-right:0}.capability-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card.featured,.category-card.standard,.category-card.medium{grid-column:span 1}.feature-panel{padding:36px}.feature-media{min-height:340px}.split-card.offset{margin-top:0}.review-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.page-hero-art{min-height:260px}.contact-options{grid-template-columns:1fr 1fr}}
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