:root{--blue:#2980FE;--blue-deep:#1767D6;--blue-soft:#EAF3FF;--blue-pale:#F5F8FD;--gray:#F7F9FC;--white:#fff;--text:#172033;--body:#465266;--muted:#718096;--border:#DCE6F2;--footer:#10233F;--shadow:0 18px 50px rgba(34,91,155,.10);--radius:24px;--max:1200px}
*{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}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}h1,h2,h3{color:var(--text);line-height:1.18;margin:0 0 18px}h1{font-size:clamp(2.35rem,5vw,4.9rem);letter-spacing:-.045em}h2{font-size:clamp(1.8rem,3.2vw,3rem);letter-spacing:-.025em}h3{font-size:1.18rem}p{margin:0 0 18px}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:9999;background:var(--text);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:16px}.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,.82)}.nav-shell{height:78px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;min-width:142px}.brand img{width:auto;max-width:142px;max-height:42px;object-fit:contain}.desktop-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:2px;white-space:nowrap}.nav-link{display:flex;align-items:center;min-height:48px;padding:0 11px;color:#31405a;font-size:.96rem;font-weight:650;border-radius:12px}.nav-link:hover,.nav-link:focus-visible,.nav-link.is-active{color:var(--blue-deep);background:var(--blue-pale)}.nav-group{position:relative}.mega-menu{position:absolute;left:50%;top:calc(100% + 10px);transform:translateX(-50%) translateY(8px);width:520px;display:grid;grid-template-columns:1.05fr 1fr;gap:24px;padding:24px;background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}.nav-group:hover .mega-menu,.nav-group:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.mega-menu strong{display:block;color:var(--text);font-size:1.12rem;margin-bottom:8px}.mega-menu p{font-size:.92rem;color:var(--muted);margin:0}.mega-links{display:grid;gap:6px}.mega-links a{padding:9px 12px;border-radius:10px;color:#31405a}.mega-links a:hover,.mega-links a:focus-visible{background:var(--blue-pale);color:var(--blue-deep)}.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:14px;font-weight:750;transition:.18s ease;border:1px solid transparent}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 10px 24px rgba(41,128,254,.22)}.btn-ghost{background:#fff;border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:#a7c7f5;color:var(--blue-deep)}.nav-download{min-width:104px;white-space:nowrap}.menu-toggle{width:48px;height:48px;border:1px solid var(--border);border-radius:14px;background:#fff;display:none;place-items:center;padding:0;cursor:pointer}.menu-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:3px auto}.mobile-overlay,.mobile-menu{display:none}.section{padding:92px 0}.section-sm{padding:58px 0}.eyebrow,.section-kicker{display:inline-flex;align-items:center;color:var(--blue-deep);font-weight:800;font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}.section-head{max-width:760px;margin-bottom:40px}.section-head p{font-size:1.05rem;color:var(--muted)}.hero{padding:74px 0 54px;background:linear-gradient(180deg,#fff 0%,#f6faff 100%)}.hero-grid{display:grid;grid-template-columns:1.16fr .84fr;align-items:center;gap:54px}.hero-copy p{max-width:720px;font-size:1.1rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.pill{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--border);color:#40516c;font-size:.92rem;font-weight:650}.product-stage{position:relative;min-height:560px;display:grid;place-items:center;background:radial-gradient(circle at 50% 35%,#e6f2ff 0,#f8fbff 54%,transparent 55%);border-radius:36px}.product-stage img{max-height:500px;object-fit:contain;filter:drop-shadow(0 30px 45px rgba(25,78,135,.18))}.float-note{position:absolute;max-width:180px;padding:13px 16px;background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);font-size:.9rem;color:var(--text);font-weight:700}.note-a{top:15%;left:-2%}.note-b{right:-3%;top:42%}.note-c{left:4%;bottom:10%}.ability-strip{margin-top:-12px}.ability-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:22px;background:#fff;box-shadow:0 12px 34px rgba(42,86,145,.06);overflow:hidden}.ability-item{padding:26px}.ability-item:not(:last-child){border-right:1px solid var(--border)}.ability-item strong{display:block;color:var(--text);margin-bottom:7px}.ability-item p{font-size:.92rem;color:var(--muted);margin:0}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-flow:dense;gap:18px}.category-card{min-height:220px;padding:26px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,#fff,#fbfdff);display:flex;flex-direction:column}.category-card.featured{grid-column:span 2;background:linear-gradient(135deg,var(--blue-soft),#fff)}.category-card.wide{grid-column:span 2}.category-card h3{font-size:1.35rem}.category-card p{font-size:.96rem}.text-link{margin-top:auto;color:var(--blue-deep);font-weight:780}.text-link:hover{text-decoration:underline}.feature-band{background:var(--blue-soft)}.feature-shell{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center;background:rgba(255,255,255,.56);border:1px solid rgba(255,255,255,.9);border-radius:30px;padding:38px}.feature-image{background:#fff;border:1px solid var(--border);border-radius:26px;padding:18px;min-height:430px;display:grid;place-items:center}.feature-image img{max-height:390px;object-fit:contain}.check-list{list-style:none;margin:24px 0;padding:0;display:grid;gap:12px}.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}.topic-panel{padding:36px;border-radius:28px;border:1px solid var(--border);background:#fff}.topic-panel.offset{margin-top:48px;background:var(--blue-pale)}.topic-panel p{color:var(--body)}.dark-soft{background:linear-gradient(135deg,#15335c,#245d9f);color:#e7f0ff}.dark-soft h2,.dark-soft h3{color:#fff}.dark-soft .section-kicker{color:#9bc4ff}.dark-soft .security-box{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.security-box{padding:30px;border:1px solid var(--border);border-radius:24px}.media-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.media-box{border:1px solid var(--border);border-radius:28px;padding:22px;background:var(--gray)}.media-box img{max-height:460px;margin:auto;object-fit:contain}.swap-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.process-step{position:relative;padding:24px 18px;border-radius:20px;background:#fff;border:1px solid var(--border)}.process-step .num{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--blue-soft);color:var(--blue-deep);font-weight:900;margin-bottom:16px}.process-step h3{font-size:1rem}.process-step p{font-size:.88rem;color:var(--muted)}.process-step a{color:var(--blue-deep);font-weight:750;font-size:.9rem}.notice-list{display:grid;gap:0;border-top:1px solid var(--border)}.notice-item{display:grid;grid-template-columns:140px 1fr auto;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid var(--border)}.notice-item time{color:var(--muted);font-size:.9rem}.notice-item strong{display:block;color:var(--text);margin-bottom:4px}.experience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.experience-item{padding:26px;border-radius:22px;background:var(--gray);border:1px solid #eef2f7}.experience-item h3{font-size:1.05rem}.faq-list{border-top:1px solid var(--border)}.faq-item{border-bottom:1px solid var(--border)}.faq-item button{width:100%;min-height:68px;padding:18px 0;border:0;background:none;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--text);font-weight:800;cursor:pointer}.faq-item button:after{content:"+";font-size:1.4rem;color:var(--blue)}.faq-item.open button:after{content:"−"}.faq-answer{display:none;padding:0 0 22px;color:var(--body);max-width:900px}.faq-item.open .faq-answer{display:block}.download-band{padding:74px 0;background:linear-gradient(135deg,#edf6ff,#f8fbff)}.download-card{text-align:center;max-width:860px;margin:auto}.download-card p{max-width:660px;margin:0 auto 24px}.page-hero{padding:72px 0 60px;background:linear-gradient(180deg,#fff,#f5f9ff)}.page-hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.page-hero-copy p{font-size:1.08rem;max-width:730px}.page-hero-art{position:relative;min-height:330px;border:1px solid var(--border);border-radius:32px;background:linear-gradient(145deg,#fff,#edf6ff);overflow:hidden}.orb{position:absolute;border-radius:50%;filter:blur(2px)}.orb-a{width:210px;height:210px;background:#cfe5ff;right:-40px;top:-45px}.orb-b{width:160px;height:160px;background:#e6f1ff;left:24px;bottom:-40px}.hero-shield{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:120px;height:138px;border-radius:38px 38px 52px 52px;background:linear-gradient(160deg,var(--blue),var(--blue-deep));color:#fff;font-weight:900;font-size:2rem;box-shadow:0 28px 60px rgba(41,128,254,.3)}.hero-line{position:absolute;height:2px;background:#a9c9f3}.hero-line-a{width:160px;left:30px;top:76px;transform:rotate(18deg)}.hero-line-b{width:180px;right:20px;bottom:70px;transform:rotate(-18deg)}.content-stack{display:grid;gap:26px}.content-panel{padding:34px 38px;border:1px solid var(--border);border-radius:26px;background:#fff}.content-panel.alt{margin-left:5%;background:var(--blue-pale)}.content-panel p{max-width:940px}.two-col-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.info-card{padding:24px;border:1px solid var(--border);border-radius:20px;background:#fff}.info-card h3{font-size:1.05rem}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:20px}.info-table{width:100%;border-collapse:collapse;min-width:720px}.info-table th,.info-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}.info-table th{background:var(--blue-pale);color:var(--text)}.info-table tr:last-child td{border-bottom:0}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.site-footer{background:var(--footer);color:#c7d4e8;padding:62px 0 24px}.footer-grid{display:grid;grid-template-columns:1.8fr repeat(3,1fr);gap:44px}.footer-brand img{max-width:150px;max-height:44px;object-fit:contain;margin-bottom:20px;filter:brightness(0) invert(1)}.footer-brand p{max-width:420px;color:#9fb1ca}.site-footer h2{font-size:1rem;color:#fff;margin-bottom:14px}.site-footer a{display:block;padding:5px 0;color:#b7c7dc}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;display:flex;justify-content:space-between;gap:22px;font-size:.88rem;color:#8fa4c0}
@media(max-width:1060px){.desktop-nav{display:none}.menu-toggle{display:grid}.hero-grid,.feature-shell,.page-hero-inner{grid-template-columns:1fr}.product-stage{min-height:460px}.ability-grid{grid-template-columns:1fr 1fr}.ability-item:nth-child(2){border-right:0}.ability-item:nth-child(-n+2){border-bottom:1px solid var(--border)}.category-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:repeat(3,1fr)}.experience-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.6fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.mobile-overlay{display:block;position:fixed;inset:0;background:rgba(16,35,63,.36);z-index:1090;opacity:0;visibility:hidden;transition:.2s}.mobile-menu{display:flex;flex-direction:column;position:fixed;right:0;top:0;bottom:0;width:min(440px,92vw);background:#fff;z-index:1100;transform:translateX(102%);transition:.24s ease;box-shadow:-24px 0 60px rgba(16,35,63,.18)}.menu-open{overflow:hidden}.menu-open .mobile-overlay{opacity:1;visibility:visible}.menu-open .mobile-menu{transform:translateX(0)}.mobile-menu-head{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--border)}.menu-close{width:48px;height:48px;border:1px solid var(--border);border-radius:14px;background:#fff;font-size:1.8rem;line-height:1;cursor:pointer}.mobile-menu-scroll{padding:18px 22px 34px;overflow-y:auto}.mobile-home{display:flex;align-items:center;min-height:50px;font-weight:800;color:var(--text)}.mobile-menu details{border-top:1px solid var(--border);padding:5px 0}.mobile-menu summary{list-style:none;cursor:pointer;min-height:54px;display:flex;align-items:center;justify-content:space-between;color:var(--text);font-weight:800}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary:after{content:"+";color:var(--blue);font-size:1.2rem}.mobile-menu details[open] summary:after{content:"−"}.mobile-menu details a{display:flex;align-items:center;min-height:46px;padding-left:12px;color:var(--body)}.nav-actions{margin-left:auto}}
@media(max-width:760px){.container{width:min(100% - 28px,var(--max))}.nav-shell{height:70px}.brand{min-width:0}.brand img{max-width:118px;max-height:38px}.nav-download{min-height:44px;padding:0 14px;border-radius:12px}.menu-toggle{width:44px;height:44px}.section{padding:68px 0}.section-sm{padding:46px 0}.hero{padding-top:54px}.hero-grid{gap:28px}.hero-copy p{font-size:1rem}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}.product-stage{min-height:390px;border-radius:26px}.product-stage img{max-height:340px}.float-note{font-size:.78rem;max-width:138px;padding:10px 12px}.note-a{left:0}.note-b{right:0}.note-c{left:3%}.ability-grid,.category-grid,.split-grid,.security-grid,.media-split,.swap-grid,.experience-grid,.two-col-list,.contact-grid,.footer-grid{grid-template-columns:1fr}.ability-item{border-right:0!important;border-bottom:1px solid var(--border)}.ability-item:last-child{border-bottom:0}.category-card.featured,.category-card.wide{grid-column:auto}.feature-shell{padding:20px}.feature-image{min-height:320px}.topic-panel.offset{margin-top:0}.process{grid-template-columns:1fr}.process-step{display:grid;grid-template-columns:auto 1fr;column-gap:14px}.process-step .num{grid-row:1/4}.notice-item{grid-template-columns:1fr;gap:7px}.experience-grid{grid-template-columns:1fr}.page-hero{padding:52px 0 42px}.page-hero-art{min-height:250px}.content-panel,.content-panel.alt{margin-left:0;padding:26px 22px}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.site-footer{padding-top:48px}}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:14px;font-weight:750;transition:.18s ease;border:1px solid transparent;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 10px 24px rgba(41,128,254,.22);white-space:nowrap}.download-btn:hover{transform:translateY(-1px)}.nav-actions>.download-btn{min-width:104px}@media(max-width:760px){.nav-actions>.download-btn{min-height:44px;padding:0 14px;border-radius:12px}.hero-actions .download-btn{width:100%}}