:root{--bg:#10151b;--panel:#171d24;--panel2:#1d242c;--line:#303943;--ink:#f4f4f1;--muted:#9ba4ad;--accent:#d6657a;--soft:#efb5c0;font-family:'Segoe UI Variable','Noto Sans TC','Microsoft JhengHei',system-ui,sans-serif;color:var(--ink);background:var(--bg);color-scheme:dark;font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);min-width:320px;overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--soft);outline-offset:4px}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;padding:12px;background:var(--accent);color:#10151b}
.skip-link:focus{top:8px}
.site-nav{position:sticky;top:0;z-index:60;min-height:70px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding:0 clamp(16px,4vw,64px);background:color-mix(in srgb,var(--bg) 93%,transparent);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font-size:16px;font-weight:760;white-space:nowrap}.brand img{width:36px;height:36px;border-radius:8px}
.desktop-menu{display:flex;align-items:center;gap:clamp(15px,2.4vw,30px)}.desktop-menu a{font-size:14px;text-decoration:none;color:#c5cbd0;transition:color .18s}.desktop-menu a:hover{color:#fff}
.nav-actions{justify-self:end;display:flex;align-items:center;gap:10px}.platform-link{font-size:12px;font-weight:700;font-family:ui-monospace,Consolas,monospace;text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:4px}
.mobile-menu{display:none;position:relative}.mobile-menu summary{list-style:none;cursor:pointer;border:1px solid var(--line);padding:8px 12px;border-radius:8px;font-size:14px}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:0;top:calc(100% + 10px);display:grid;gap:0;width:220px;padding:8px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 38px #0008}.mobile-menu nav a{display:block;padding:11px 12px;font-size:14px;text-decoration:none;border-radius:7px}.mobile-menu nav a:hover{background:var(--panel2)}
.hero{width:min(1460px,calc(100% - 32px));min-height:min(760px,calc(100dvh - 70px));margin:0 auto;padding:clamp(68px,7vw,104px) clamp(16px,4vw,64px);display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);align-items:center;gap:clamp(30px,5vw,80px)}
.hero-copy{min-width:0}.eyebrow{margin:0 0 16px;color:var(--soft);font:700 12px ui-monospace,Consolas,monospace;letter-spacing:.13em}
.hero h1{margin:0;font-size:clamp(46px,5vw,78px);font-weight:780;line-height:1.06;letter-spacing:-.048em;max-width:10ch;word-break:keep-all;overflow-wrap:normal;text-wrap:balance}
.hero-lead{margin:22px 0 0;max-width:32rem;color:var(--muted);font-size:clamp(16px,1.3vw,18px);line-height:1.72}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;margin-top:30px}
.primary-cta{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:13px 18px;background:var(--accent);border-radius:9px;text-decoration:none;color:#1c0d12;font-weight:800;white-space:nowrap;transition:background .2s,transform .2s}.primary-cta:hover{background:#e1788b;transform:translateY(-2px)}.primary-cta span{font-size:21px;line-height:0}.secondary-cta{font-size:15px;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:6px;font-weight:650}
.hero-art{margin:0;min-width:0}.hero-art img{display:block;width:100%;aspect-ratio:1140/828;object-fit:cover;border:1px solid #3b4651;border-radius:14px;box-shadow:0 28px 70px #0007}.hero-art figcaption{margin-top:10px;color:#859098;font-size:12px;line-height:1.6}
.fact-strip{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 34px;padding:17px 30px;border-block:1px solid var(--line);background:#131920;color:#b5bdc3;font:12px ui-monospace,Consolas,monospace}
.section{padding:clamp(72px,7.5vw,120px) clamp(16px,6vw,96px);border-top:1px solid var(--line)}
h2{margin:0;font-weight:760;font-size:clamp(32px,3.15vw,54px);line-height:1.14;letter-spacing:-.035em;word-break:keep-all;overflow-wrap:normal;text-wrap:balance}h3{font-size:clamp(18px,1.5vw,22px);margin:0;font-weight:720}
p{line-height:1.68}.intro{max-width:830px;margin:0 0 50px}.intro h2{max-width:17ch}.intro p{max-width:56ch;color:var(--muted)}.intro.centered{text-align:center;margin-inline:auto}.intro.centered h2{margin-inline:auto;max-width:19ch}.intro.centered p{margin-inline:auto}
.capability-grid{width:min(1240px,100%);margin:0 auto;display:grid;grid-template-columns:1.3fr .7fr;grid-template-rows:repeat(3,auto);gap:14px}
.capability-main{grid-row:1/4;background:var(--panel);border:1px solid #39434d;border-radius:14px;padding:clamp(24px,3vw,38px)}.capability-heading{display:grid;grid-template-columns:50px 1fr;gap:14px;align-items:start}.capability-heading p,.capability-small p{color:var(--muted);margin:8px 0 0;font-size:15px}
.feature-symbol{display:inline-grid;place-items:center;color:var(--accent);font-size:32px;line-height:1.1;font-weight:750}
.capability-small{padding:20px 22px;border-top:1px solid var(--line)}.capability-small:nth-child(2){border:0}.capability-small h3{margin-top:8px}
.track-demo{position:relative;margin-top:36px;padding:20px;background:#0c1116;border:1px solid #2d363f;border-radius:11px}.track-demo>div{display:grid;grid-template-columns:42px minmax(0,1fr) minmax(0,.4fr);align-items:center;gap:7px;min-height:52px;border-bottom:1px solid #222b32}.track-demo>div:last-of-type{border:0}.track-demo span{color:#818a92;font:12px ui-monospace,Consolas,monospace}.track-demo i{display:block;height:30px;border-radius:5px}.clip-video{background:#414e5a}.clip-video-soft{background:#2a353f}.clip-text{width:76%;background:#a35468}.clip-audio{width:90%;background:repeating-linear-gradient(90deg,#6a3344 0 6px,var(--accent) 6px 8px)}.track-demo>b{position:absolute;top:8px;bottom:8px;left:55%;width:2px;background:#eff3f4}.track-demo>b:before{content:'';position:absolute;left:-4px;top:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:8px solid var(--accent)}
.ledger{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(40px,7vw,110px);background:#131920}.ledger-title{align-self:start;position:sticky;top:108px}.ledger-title h2{max-width:13ch}.ledger-title p{max-width:35ch;color:var(--muted)}.ledger-rows article{display:grid;grid-template-columns:30px minmax(94px,.45fr) minmax(180px,1.4fr) auto;gap:16px;align-items:start;padding:23px 0;border-top:1px solid var(--line)}.ledger-rows article:last-child{border-bottom:1px solid var(--line)}.ledger-rows h3{font-size:18px}.ledger-rows p{margin:0;color:var(--muted);font-size:15px}.ledger-rows small{color:#77828a;font:11px ui-monospace,Consolas,monospace;white-space:nowrap}.row-symbol{font-size:24px;color:var(--accent)}
.step-grid{width:min(1180px,100%);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.step-grid article{padding:24px;min-height:280px}.step-grid article+article{border-left:1px solid var(--line)}.step-grid .number{display:block;color:#728089;font:20px ui-monospace,Consolas,monospace}.step-icon{display:block;margin:50px 0 18px;color:var(--accent);font-size:35px;line-height:1}.step-grid p{margin:8px 0 0;color:var(--muted);font-size:15px}
.export{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,110px);background:var(--panel)}.export h2{max-width:14ch}.label-mono{display:block;margin-bottom:18px;color:#9ba5ad;font:12px ui-monospace,Consolas,monospace;letter-spacing:.1em}.format-grid{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}.format-grid span{display:inline-block;padding:9px 12px;border:1px solid #3a444d;border-radius:7px;color:#d6dade;font:12px ui-monospace,Consolas,monospace}.export-specs{align-self:end}.spec-row{padding:20px 0;border-top:1px solid var(--line)}.spec-row:last-child{border-bottom:1px solid var(--line)}.spec-row strong{color:var(--soft);font:700 13px ui-monospace,Consolas,monospace}.spec-row p{margin:7px 0 0;color:var(--muted);font-size:15px}
.trust-title{margin-bottom:40px}.trust-title h2{max-width:16ch}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line)}.trust-grid article{padding:24px 24px 30px 0}.trust-grid article+article{padding-left:24px;border-left:1px solid var(--line)}.trust-grid article>span{font:12px ui-monospace,Consolas,monospace;color:#76838b}.trust-grid h3{margin-top:32px}.trust-grid p{color:var(--muted);font-size:15px}
.pricing{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;background:#131920}.price-card{padding:clamp(25px,4vw,48px);background:var(--panel);border:1px solid #3b4650;border-radius:14px}.price-product{display:flex;align-items:center;gap:14px}.price-product img{border-radius:11px}.price-product>div{display:grid;gap:3px}.price-product small{color:#8f99a1;font:11px ui-monospace,Consolas,monospace}.price-copy{margin-top:44px}.price-copy p{max-width:53ch;color:var(--muted)}.price-status{margin-top:22px;color:var(--soft);font:700 13px ui-monospace,Consolas,monospace}.price-card ul{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:28px 0 24px;padding:0;color:#c1cad0}.price-card li{display:flex;gap:8px;align-items:flex-start;font-size:14px}.price-card li span{color:var(--accent);font-weight:900}.buy-preview{border:1px solid #5f4a50;border-radius:10px;padding:14px 24px;background:#252128;color:#91898d;font:700 15px inherit;cursor:not-allowed}.buy-note{font-size:13px;color:#8b949c}.launch-checklist{padding:24px 24px;border-block:1px solid var(--line)}.launch-checklist h3{margin:0}.launch-checklist ol{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:16px}.launch-checklist li{display:grid;grid-template-columns:30px 1fr;align-items:start;gap:13px}.launch-checklist li span{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#422934;color:var(--soft);font-size:12px}.launch-checklist li p{margin:3px 0 0;color:var(--muted);font-size:15px}
.faq{display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(30px,7vw,110px)}.faq-heading h2{max-width:12ch}.faq-heading p{max-width:32ch;color:var(--muted)}.faq-list details{border-top:1px solid var(--line);padding:20px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{font-size:16px;font-weight:700;cursor:pointer}.faq-list details[open] summary{color:var(--soft)}.faq-list p{margin:11px 0 0;color:var(--muted);font-size:15px;max-width:63ch}
.site-footer{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:24px clamp(16px,4vw,64px);border-top:1px solid var(--line);color:#8b959d}.site-footer>span{font-size:12px}.site-footer>a{justify-self:end;color:var(--ink);font-size:13px;text-decoration-color:var(--accent);text-underline-offset:5px}
@media(max-width:1080px){.site-nav{grid-template-columns:1fr auto}.desktop-menu{display:none}.mobile-menu{display:block}.hero{grid-template-columns:1fr;min-height:auto;gap:40px;padding-top:70px}.hero-copy{max-width:720px}.hero h1{max-width:14ch;font-size:clamp(46px,7vw,70px)}.hero-art{max-width:850px}.capability-grid{grid-template-columns:1fr}.capability-main{grid-row:auto}.capability-small{border-top:1px solid var(--line)!important}.ledger,.export,.pricing,.faq{grid-template-columns:1fr}.ledger-title{position:static}.ledger-rows article{grid-template-columns:34px 140px minmax(0,1fr) auto}.launch-checklist{margin-top:12px}}
@media(max-width:720px){html{scroll-padding-top:70px}.site-nav{min-height:64px;padding-inline:16px}.platform-link{display:none}.hero{width:100%;padding:54px 16px 62px;gap:36px}.hero h1{font-size:clamp(40px,11vw,54px);max-width:9ch;line-height:1.07}.hero-actions{flex-direction:column;align-items:stretch}.primary-cta{width:100%}.secondary-cta{text-align:center}.hero-art img{aspect-ratio:4/3}.fact-strip{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;gap:24px;padding-inline:16px;font-size:11px}.fact-strip span{white-space:nowrap}.section{padding:66px 16px}h2{font-size:clamp(29px,8vw,42px);line-height:1.14}.intro h2{max-width:14ch}.capability-grid{gap:8px}.capability-main{padding:20px}.capability-heading{grid-template-columns:36px 1fr;gap:10px}.capability-small{padding:22px 10px}.ledger-rows article{grid-template-columns:30px 1fr;gap:10px 15px}.ledger-rows article p,.ledger-rows article small{grid-column:2}.ledger-title h2,.export h2,.trust-title h2{max-width:14ch}.step-grid,.trust-grid{grid-template-columns:1fr}.step-grid article{min-height:0;padding:24px 12px}.step-grid article+article,.trust-grid article+article{border-left:0;border-top:1px solid var(--line)}.step-icon{margin-top:26px}.trust-grid article,.trust-grid article+article{padding:20px 0}.trust-grid h3{margin-top:18px}.price-card ul{grid-template-columns:1fr}.site-footer{grid-template-columns:1fr auto}.site-footer>span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.primary-cta,.desktop-menu a{transition:none}}