button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:9px 13px}button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.hero-actions{display:flex;align-items:center;gap:22px;font-size:13px}.hero-actions>a{white-space:nowrap}.consent[hidden]{display:none}.consent{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:min(680px,calc(100% - 28px));z-index:3;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;display:flex;align-items:center;gap:20px;box-shadow:0 4px 24px #20242c18}.consent strong{font-size:13px}.consent p{font-size:12px;color:var(--muted);margin:6px 0 0}.consent a{text-decoration:underline}.consent-actions{display:flex;gap:8px;flex-shrink:0}.consent-actions button{min-width:68px}.consent-actions button:hover{background:var(--soft)}@media(max-width:767px){.consent{display:block}.consent-actions{margin-top:14px;justify-content:flex-end}footer{flex-wrap:wrap;gap:8px}}
/* Native CSS brand system. Taste dials: variance 6, motion 2, density 5.
   Controls 6px; media 8px; no decorative elevation. System theme throughout. */
:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;color-scheme:light;--bg:#f3f4f6;--panel:#fcfcfd;--ink:#20242c;--muted:#606875;--line:#d6dae1;--accent:#315bc7;--on-accent:#fcfcfd;--soft:#e8edfa;background:var(--bg);color:var(--ink);font-synthesis:none}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#15171c;--panel:#1d2027;--ink:#eceef3;--muted:#a3acbb;--line:#393f4b;--accent:#98b4ff;--on-accent:#15171c;--soft:#29364f}}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}img{display:block;max-width:100%;height:auto}figure{margin:0}.wrap{max-width:1320px;margin:0 auto;padding-inline:40px}.header{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:24px;font-weight:700;letter-spacing:-1px}.header nav{display:flex;gap:32px;font-size:13px}.header nav a{padding-block:10px;color:var(--muted)}.header nav a:hover{color:var(--accent)}.hero{display:grid;grid-template-columns:minmax(310px,.85fr) minmax(0,1.35fr);gap:52px;align-items:center;padding-block:72px 80px}.category{font-size:13px;color:var(--accent);margin:0 0 20px;font-weight:600}h1{font-size:clamp(34px,3.55vw,49px);font-weight:650;line-height:1.32;letter-spacing:-1.5px;margin:0 0 24px}.lead{font-size:17px;color:var(--muted);line-height:1.85;margin:0 0 28px}.action{display:inline-flex;gap:35px;align-items:center;background:var(--accent);color:var(--on-accent);border-radius:6px;padding:13px 18px;font-size:14px;font-weight:550;white-space:nowrap}.action:hover{filter:brightness(.94)}.action:active{transform:translateY(1px)}.hero-product{min-width:0}.hero-product picture{display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden}.hero-product img{width:100%}.hero-product figcaption{font-size:11px;color:var(--muted);line-height:1.7;margin-top:12px}h2{font-size:30px;line-height:1.5;font-weight:600;letter-spacing:-.8px;margin:0 0 32px}h3{font-size:19px;font-weight:600;line-height:1.5;margin:0 0 12px}p{line-height:1.85}.features{padding-block:48px 80px;border-top:1px solid var(--line)}.feature-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:64px}.feature-main p,.feature-side p{color:var(--muted);font-size:14px;margin:0 0 24px}.feature-main picture{display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden}.feature-main img{width:100%}.feature-side{display:flex;flex-direction:column;justify-content:space-between;gap:28px;padding-top:4px}.feature-side article{max-width:370px}.feature-side p{margin:0}.workflow{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:80px;align-items:center;padding-block:64px;border-top:1px solid var(--line)}.workflow figure{align-self:stretch;min-height:410px;overflow:hidden;border-radius:8px}.workflow img{width:100%;height:100%;object-fit:cover}.workflow h2{margin-bottom:12px}.workflow-intro{font-size:14px;color:var(--muted);margin:0 0 28px}.workflow ol{list-style:none;padding:0;margin:0;display:grid;gap:24px}.workflow li{padding-left:18px;border-left:2px solid var(--line)}.workflow h3{font-size:16px;margin:0 0 4px}.workflow li p{font-size:13px;color:var(--muted);margin:0}.faq{padding-block:64px 72px;display:grid;grid-template-columns:1fr 1.5fr;gap:64px;border-top:1px solid var(--line)}.faq h2{font-size:25px}.faq details{padding:18px 0;border-bottom:1px solid var(--line)}.faq details:first-child{padding-top:0}.faq summary{font-size:15px;cursor:pointer;line-height:1.7}.faq p{font-size:14px;color:var(--muted);margin:12px 0 0;max-width:65ch}footer{height:100px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line)}footer .brand{font-size:20px}footer small{color:var(--muted);font-size:12px}.skip{position:absolute;left:16px;top:-80px;padding:12px;background:var(--panel);z-index:2}.skip:focus{top:12px}
@media(max-width:1024px){.wrap{padding-inline:28px}.hero{gap:28px;grid-template-columns:minmax(285px,.9fr) minmax(0,1.1fr)}.feature-layout,.workflow{gap:36px}.workflow figure{min-height:380px}}
@media(max-width:767px){.wrap{padding-inline:22px}.header{height:68px}.brand{font-size:21px}.header nav{gap:18px;font-size:12px}.header nav a:nth-child(2){display:none}.hero{grid-template-columns:1fr;gap:36px;padding-block:42px 44px}h1{font-size:38px}.lead{font-size:16px}h2{font-size:26px}.feature-layout,.workflow,.faq{grid-template-columns:1fr;gap:30px}.features{padding-block:36px 44px}.feature-side{gap:28px}.feature-side article{max-width:none}.workflow{padding-block:40px}.workflow figure{min-height:0;aspect-ratio:3/2}.workflow>div{grid-row:1}.faq{padding-block:40px;gap:10px}footer{height:90px}}