:root{--blue:#2980FE;--deep:#1767D6;--pale:#EAF3FF;--ice:#F5F8FD;--gray:#F7F9FC;--white:#fff;--text:#172033;--body:#465266;--muted:#718096;--line:#DCE6F2;--footer:#10233F;--shadow:0 18px 50px rgba(33,90,160,.10);--radius:22px;--container:min(1180px,calc(100% - 40px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--body);background:#fff;font-family:Arial,"Noto Sans TC","Microsoft JhengHei",sans-serif;line-height:1.72;overflow-x:hidden}body.menu-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:var(--deep);text-decoration:none}a:hover{color:var(--blue)}button,input,textarea{font:inherit}.container{width:var(--container);margin-inline:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,230,242,.8)}.header-inner{height:78px;display:flex;align-items:center;gap:24px}.brand{display:inline-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;min-width:0;flex:1;height:100%}.nav-link{display:inline-flex;align-items:center;height:100%;padding:0 10px;font-size:14px;font-weight:700;color:var(--text);white-space:nowrap;position:relative}.nav-link:after{content:"";position:absolute;left:10px;right:10px;bottom:17px;height:2px;background:var(--blue);transform:scaleX(0);transition:.2s}.nav-link:hover:after,.nav-link:focus-visible:after,.nav-link.is-active:after{transform:scaleX(1)}.nav-group{height:100%;position:relative;display:flex;align-items:center}.mega-menu{position:absolute;top:calc(100% - 4px);left:50%;transform:translate(-50%,12px);width:680px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:10px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.nav-group:hover .mega-menu,.nav-group:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.mega-menu a,.mega-intro{padding:13px;border-radius:14px}.mega-menu a:hover,.mega-menu a:focus-visible{background:var(--ice)}.mega-menu strong{display:block;color:var(--text);font-size:14px}.mega-menu span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:4px}.mega-intro{grid-row:span 2;background:linear-gradient(145deg,var(--pale),#fff)}.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:11px 22px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.2s;cursor:pointer}.button:hover{transform:translateY(-2px)}.button-primary{background:linear-gradient(135deg,var(--blue),var(--deep));color:#fff;box-shadow:0 12px 24px rgba(41,128,254,.22)}.button-primary:hover{color:#fff}.button-secondary{background:#fff;color:var(--deep);border-color:var(--line)}.button-ghost{color:var(--deep);background:var(--pale)}.button-small{min-height:44px;padding:9px 17px;font-size:14px}.menu-toggle{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px}.mobile-overlay{position:fixed;inset:0;z-index:1090;background:rgba(16,35,63,.45);opacity:0;transition:.22s}.mobile-overlay.is-visible{opacity:1}.mobile-panel{position:fixed;z-index:1100;right:0;top:0;width:min(430px,92vw);height:100dvh;background:#fff;transform:translateX(105%);transition:.25s;box-shadow:-20px 0 60px rgba(16,35,63,.18);padding:18px 18px 24px;overflow-y:auto}.mobile-panel.is-open{transform:translateX(0)}.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}.menu-close{width:44px;height:44px;border:0;border-radius:14px;background:var(--ice);font-size:30px;color:var(--text);cursor:pointer}.mobile-nav{display:grid;gap:8px;padding:18px 0}.mobile-nav>a,.mobile-nav summary{display:flex;align-items:center;min-height:50px;padding:10px 14px;border-radius:14px;color:var(--text);font-weight:800;cursor:pointer}.mobile-nav>a:hover,.mobile-nav summary:hover{background:var(--ice)}.mobile-nav details div{display:grid;grid-template-columns:1fr 1fr;padding:4px 10px 12px}.mobile-nav details a{padding:10px;color:var(--body);font-size:14px}.mobile-download{width:100%}.hero{position:relative;padding:82px 0 64px;background:radial-gradient(circle at 80% 20%,rgba(41,128,254,.16),transparent 34%),linear-gradient(180deg,#fff,var(--ice));overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:56px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:13px;font-weight:800;letter-spacing:.04em}.hero h1,.page-hero h1{color:var(--text);font-size:clamp(42px,6vw,72px);line-height:1.08;margin:20px 0}.hero-lead{font-size:20px;color:var(--text);max-width:680px}.hero-copy{max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}.tag-list{display:flex;flex-wrap:wrap;gap:10px}.tag-list span{padding:8px 12px;border:1px solid var(--line);background:rgba(255,255,255,.75);border-radius:999px;font-size:13px;font-weight:700;color:var(--text)}.hero-visual{position:relative;min-height:500px;display:grid;place-items:center}.hero-visual:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:linear-gradient(145deg,rgba(41,128,254,.24),rgba(234,243,255,.4));filter:blur(1px)}.hero-visual img{position:relative;z-index:2;max-height:520px;object-fit:contain}.float-note{position:absolute;z-index:3;background:rgba(255,255,255,.94);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:12px 15px;font-size:13px;font-weight:800;color:var(--text)}.note-a{top:12%;left:0}.note-b{right:0;top:42%}.note-c{bottom:8%;left:8%}.ability-strip{margin-top:-24px;position:relative;z-index:4}.ability-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;overflow:hidden}.ability-item{padding:24px;border-right:1px solid var(--line)}.ability-item:last-child{border-right:0}.ability-item h2{font-size:17px;color:var(--text);margin:0 0 8px}.ability-item p{font-size:14px;margin:0}.section{padding:88px 0}.section-soft{background:var(--ice)}.section-blue{background:linear-gradient(135deg,var(--pale),#fff)}.section-dark{background:linear-gradient(135deg,var(--footer),#174475);color:#dfeaff}.section-dark h2,.section-dark h3{color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.2;color:var(--text);margin:10px 0}.section-head p{max-width:640px;margin:0}.kicker{font-size:13px;font-weight:900;letter-spacing:.12em;color:var(--blue);text-transform:uppercase}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category-card{position:relative;min-height:220px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.category-card:before{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-40px;top:-40px;background:var(--pale)}.category-card h3{position:relative;color:var(--text);font-size:21px;margin:0 0 12px}.category-card p{position:relative;margin:0 0 20px}.category-card a{position:relative;font-weight:800}.category-wide{grid-column:span 2;background:linear-gradient(145deg,var(--pale),#fff)}.category-tall{min-height:260px}.feature-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center;background:linear-gradient(135deg,var(--pale),#fff);padding:46px;border-radius:30px;border:1px solid var(--line)}.feature-panel img,.media-card img{max-height:500px;margin:auto;object-fit:contain}.feature-copy h2,.content-card h2{color:var(--text);font-size:clamp(30px,4vw,46px);line-height:1.2;margin:10px 0 18px}.check-list{list-style:none;padding:0;margin:24px 0;display:grid;gap:11px}.check-list li{position:relative;padding-left:30px}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--blue);font-weight:900}.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.content-card{padding:34px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 12px 35px rgba(33,90,160,.06)}.content-card.offset{transform:translateY(30px)}.content-card h3{color:var(--text);font-size:24px;margin:0 0 14px}.mini-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.mini-links a{font-weight:800;padding:9px 12px;background:var(--ice);border-radius:12px}.dapp-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.media-card{padding:34px;border-radius:30px;border:1px solid var(--line);background:linear-gradient(145deg,#fff,var(--ice))}.media-card.compact{display:flex;flex-direction:column;justify-content:center}.security-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.security-list div{padding:17px;border-radius:16px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18)}.security-alert{background:#fff;color:var(--body);padding:28px;border-radius:24px}.security-alert strong{display:block;color:var(--text);font-size:19px;margin-bottom:8px}.hardware-grid,.swap-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.hardware-grid img,.swap-grid img{max-height:480px;margin:auto;object-fit:contain}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:steps}.process-step{position:relative;padding:18px 16px 20px;border-top:3px solid var(--line)}.process-step:before{counter-increment:steps;content:counter(steps);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;font-weight:900;margin-top:-39px;margin-bottom:18px;box-shadow:0 0 0 7px #fff}.process-step h3{color:var(--text);font-size:16px}.process-step p{font-size:13px}.timeline{display:grid;gap:0;border-left:2px solid var(--line);margin-left:10px}.timeline article{position:relative;padding:0 0 28px 28px}.timeline article: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(--pale)}.timeline time{font-size:12px;color:var(--muted);font-weight:800}.timeline h3{margin:4px 0;color:var(--text)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff}.review strong{display:block;color:var(--text);margin-bottom:10px}.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:62px;padding:16px 20px;text-align:left;border:0;background:#fff;color:var(--text);font-weight:800;display:flex;align-items:center;justify-content:space-between;cursor:pointer}.faq-item button:after{content:"+";font-size:24px;color:var(--blue)}.faq-item.is-open button:after{content:"−"}.faq-answer{display:none;padding:0 20px 20px}.faq-item.is-open .faq-answer{display:block}.cta{padding:70px 30px;text-align:center;border-radius:32px;background:linear-gradient(135deg,var(--blue),var(--deep));color:#fff;box-shadow:0 24px 60px rgba(41,128,254,.25)}.cta h2{font-size:clamp(30px,4vw,48px);margin:0 0 12px}.cta p{max-width:720px;margin:0 auto 26px;color:#eaf3ff}.cta .button-secondary{border:0}.page-hero{padding:78px 0 60px;background:radial-gradient(circle at 85% 15%,rgba(41,128,254,.15),transparent 30%),linear-gradient(180deg,#fff,var(--ice))}.page-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:48px}.page-hero h1{font-size:clamp(40px,5vw,64px)}.page-hero p{font-size:18px;max-width:760px}.page-hero img{max-height:420px;margin:auto;object-fit:contain}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px}.prose h2{color:var(--text);font-size:31px;line-height:1.25;margin:50px 0 14px}.prose h2:first-child{margin-top:0}.prose h3{color:var(--text);font-size:21px;margin:30px 0 8px}.prose p{margin:0 0 18px}.prose ul,.prose ol{padding-left:22px}.prose li{margin-bottom:9px}.notice{padding:22px;border-left:4px solid var(--blue);border-radius:0 16px 16px 0;background:var(--pale);margin:26px 0}.side-nav{position:sticky;top:106px;align-self:start;padding:24px;border:1px solid var(--line);border-radius:22px;background:#fff}.side-nav strong{display:block;color:var(--text);margin-bottom:10px}.side-nav a{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-box{padding:26px;border:1px solid var(--line);border-radius:22px;background:#fff}.info-box h3{color:var(--text);margin-top:0}.compare-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--line);border-radius:18px}.compare-table th,.compare-table td{padding:15px;text-align:left;border-bottom:1px solid var(--line)}.compare-table th{background:var(--ice);color:var(--text)}.compare-table tr:last-child td{border-bottom:0}.site-footer{background:var(--footer);color:#bcd0e8;padding:66px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:36px}.footer-brand p{max-width:340px}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 14px}.footer-grid a{display:block;color:#bcd0e8;padding:5px 0;font-size:14px}.footer-grid a:hover{color:#fff}.footer-bottom{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:24px;font-size:13px}.footer-bottom p{margin:0}.footer-bottom div{display:flex;gap:18px}.hide-desktop{display:none}@media (max-width:1080px){.desktop-nav{display:none}.header-inner{height:72px}.header-actions{margin-left:auto}.hero-grid,.page-hero-grid{gap:30px}.ability-grid{grid-template-columns:1fr 1fr}.ability-item:nth-child(2){border-right:0}.ability-item{border-bottom:1px solid var(--line)}.category-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:repeat(3,1fr);row-gap:40px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}@media (max-width:760px){:root{--container:min(100% - 28px,1180px)}.header-inner{gap:10px}.header-inner>.brand img{width:126px}.header-actions{gap:7px}.button-small{padding-inline:13px}.hero{padding:58px 0 46px}.hero-grid,.page-hero-grid,.feature-panel,.split-grid,.dapp-grid,.security-grid,.hardware-grid,.swap-grid,.article-layout{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:40px}.hero-lead{font-size:18px}.hero-visual{min-height:380px}.hero-visual img{max-height:390px}.float-note{font-size:11px;padding:10px}.note-a{top:7%}.note-b{top:47%}.note-c{bottom:2%}.ability-strip{margin-top:0;padding-top:14px}.ability-grid{grid-template-columns:1fr}.ability-item{border-right:0}.section{padding:64px 0}.section-head{display:block}.category-grid{grid-template-columns:1fr}.category-wide{grid-column:auto}.feature-panel{padding:26px}.content-card.offset{transform:none}.security-list{grid-template-columns:1fr}.process{grid-template-columns:1fr;gap:0;padding-left:26px}.process-step{border-top:0;border-left:3px solid var(--line);padding:8px 16px 28px 26px}.process-step:before{margin:0 0 10px -46px}.reviews,.info-grid{grid-template-columns:1fr}.article-layout{gap:24px}.side-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div{margin-top:12px}.mobile-nav details div{grid-template-columns:1fr}.page-hero{padding:56px 0 44px}.hide-mobile{display:none}.hide-desktop{display:block}.compare-table{font-size:13px}.compare-table th,.compare-table td{padding:10px}}@media (max-width:430px){.header-inner>.brand img{width:106px}.header-actions .button{font-size:13px;padding-inline:11px}.footer-grid{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:36px}.hero-actions .button{width:100%}}