:root{color-scheme:light;--ink:#172b42;--blue:#195dcc;--blue-hover:#124aa7;--muted:#5c6c7c;--line:#e3e9ee;--tint:#f2f7fd;--white:#fff;--width:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;color:var(--ink);background:var(--white);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}button,a,summary{-webkit-tap-highlight-color:transparent}a,summary{touch-action:manipulation}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:650}h2{font-size:clamp(26px,3vw,34px);line-height:1.45;letter-spacing:-.8px}h3{font-size:21px;line-height:1.6}main,.site-header,footer,body>.legal,body>header{max-width:var(--width);margin-inline:auto}.site-header,body>header{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 32px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:baseline;gap:11px;font-size:27px;font-weight:750;letter-spacing:1px;white-space:nowrap}.brand span{font-size:12px;letter-spacing:2px;font-weight:600;color:var(--muted)}nav{display:flex;gap:32px;align-items:center;font-size:14px}nav a{padding-block:9px}.nav-download{color:var(--blue);font-weight:600}.nav-download span{padding-left:7px}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:58px;align-items:center;padding:72px 32px 76px}.eyebrow{font-size:14px;line-height:1.6;color:var(--blue);font-weight:600;letter-spacing:.7px}h1{font-size:clamp(38px,4.7vw,58px);line-height:1.32;letter-spacing:-1.8px;margin:22px 0}h1 em{font-style:normal;color:var(--blue)}.lead{font-size:18px;line-height:1.95;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:25px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:54px;padding:13px 25px;border:1px solid var(--blue);border-radius:8px;background:var(--blue);color:white;font-size:16px;font-weight:600;line-height:1.65;transition:background .16s,border-color .16s}.button:hover{background:var(--blue-hover);border-color:var(--blue-hover);color:white}.button span{font-size:21px;line-height:1}.text-link{font-size:14px;font-weight:600;padding-block:12px}.text-link span{margin-left:6px}.release-meta{font-size:13px;color:var(--muted);margin-top:13px}.trial-note{font-size:14px;color:var(--muted);margin-top:22px}.portrait{align-self:stretch;display:flex;flex-direction:column;justify-content:center}.portrait-image{height:420px;background:var(--tint);overflow:hidden;border-radius:16px;display:flex;justify-content:center;align-items:flex-end}.portrait-image img{display:block;width:280px;height:420px;max-width:100%;object-fit:contain;object-position:bottom;flex:none}.portrait figcaption{display:flex;justify-content:space-between;gap:12px;padding:16px 2px 0;font-size:13px;color:var(--muted)}.portrait figcaption span:first-child{color:var(--ink);font-weight:600}.section{padding:68px 32px}.how{border-top:1px solid var(--line)}.section-heading h2{margin-top:12px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:44px;margin-top:44px}.step-number{display:block;color:var(--blue);font-family:"Avenir Next",sans-serif;font-size:14px;font-weight:600;margin-bottom:13px}.steps h3{margin-bottom:12px}.steps p,.download-copy>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:1.9}.workflow-note{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:24px;margin-top:36px}.download{margin:12px 32px 8px;padding:44px;background:var(--tint);border:1px solid #e3edf9;border-radius:14px;display:grid;grid-template-columns:1.25fr 1fr;gap:52px}.download h2{font-size:30px;margin:14px 0}.download .button{margin-top:26px}.download-info{padding-left:30px;border-left:1px solid #d8e4f2;align-self:center}dl{margin:0}dl>div{display:grid;grid-template-columns:80px 1fr;gap:16px;margin-bottom:10px;font-size:14px}dt{color:var(--muted)}dd{margin:0;font-weight:500}.fine{font-size:13px;color:var(--muted);line-height:1.9;margin-top:20px}.checksum{margin-top:14px;border:0;padding:0}.checksum summary{font-size:13px;color:var(--muted);cursor:pointer}.checksum p{font-size:12px;margin-top:10px;color:var(--muted)}code{display:block;font-size:12px;overflow-wrap:anywhere;line-height:1.8;margin-top:5px}.faq{display:grid;grid-template-columns:.85fr 1.3fr;gap:60px;padding-block:76px}.faq-list details{border-bottom:1px solid var(--line);padding:19px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{display:flex;justify-content:space-between;align-items:baseline;gap:24px;font-weight:550;font-size:16px;cursor:pointer;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:23px;font-weight:400;color:var(--muted);flex:none}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details p{color:var(--muted);font-size:15px;line-height:1.95;margin-top:14px;padding-right:20px}.faq-list p a,.legal p a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}footer{display:flex;flex-wrap:wrap;gap:20px;align-items:center;border-top:1px solid var(--line);padding:28px 32px 36px}footer .brand{font-size:21px}footer .brand span{font-size:12px}footer>p{font-size:13px;color:var(--muted);flex:1}.footer-links{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:var(--muted)}.legal{padding:60px 32px 90px;max-width:800px!important}.legal h1{font-size:38px}.legal h2{font-size:23px;margin:32px 0 14px}.legal p{color:var(--muted);margin-block:14px}:focus-visible{outline:3px solid #e79c37;outline-offset:5px}.skip-link{position:absolute;top:-100px;left:20px;padding:10px 20px;background:white;border:2px solid var(--blue);z-index:10}.skip-link:focus{top:12px}
@media(max-width:960px){.hero{gap:30px}.portrait-image{height:390px}.portrait-image img{width:260px;height:390px}.portrait figcaption{flex-direction:column;gap:0}.download{padding:32px;gap:30px}.download-info{padding-left:22px}.faq{gap:35px}.steps{gap:25px}.footer-links{width:100%;justify-content:flex-end}}
@media(max-width:700px){.site-header,body>header{min-height:78px;padding:18px 22px;gap:15px}.brand{font-size:25px}.brand span{display:none}nav{gap:20px;font-size:14px}.hero{grid-template-columns:1fr;padding:42px 24px 40px;gap:32px}.hero-copy{max-width:480px}h1{font-size:clamp(37px,8vw,51px);letter-spacing:-1.3px;margin:18px 0}.lead{font-size:17px}.actions{margin-top:25px;gap:22px}.trial-note{font-size:13px;margin-top:18px}.portrait{width:100%;max-width:450px;justify-self:center}.portrait-image{height:310px}.portrait-image img{width:207px;height:310px}.portrait figcaption{flex-direction:row;font-size:12px;padding-top:12px}.section{padding:42px 24px}.steps{grid-template-columns:1fr;gap:27px;margin-top:30px}.steps article{display:grid;grid-template-columns:32px 1fr;column-gap:14px}.step-number{grid-row:1/3;margin:6px 0 0}.steps h3{font-size:20px;margin-bottom:6px}.steps p{font-size:16px}.workflow-note{margin-top:28px;padding-top:20px}.download{margin:8px 16px;padding:30px 24px;grid-template-columns:1fr;gap:30px}.download h2{font-size:27px}.download-copy>p:not(.eyebrow){font-size:15px}.download-copy>p>br{display:none}.download .button{width:100%;margin-top:23px}.download-info{padding:24px 0 0;border-left:0;border-top:1px solid #d8e4f2}.faq{grid-template-columns:1fr;gap:30px;padding-block:48px}.faq-list summary{font-size:15px;gap:16px}.faq-list details p{padding-right:0}.faq-list details{padding:18px 0}footer{padding:25px 24px;gap:12px}footer>p{font-size:12px}.footer-links{justify-content:flex-start;gap:18px;font-size:12px;margin-top:7px}.legal{padding:35px 24px 65px}.legal h1{font-size:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Product decision: image-2 examples explain actual capture and handoff; no 3D effects. */
.steps article{display:flex;flex-direction:column;min-width:0}
.steps article>p{flex:1}
.step-visual{margin-top:24px}
.step-visual picture{display:block}
.step-visual img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#f6f9fc;border:1px solid #e8edf4;border-radius:12px}
.step-visual figcaption{font-size:13px;color:var(--muted);line-height:1.7;margin-top:12px}
@media(max-width:700px){.steps article{display:grid;grid-template-columns:32px 1fr;column-gap:14px}.steps article>p{grid-column:2}.step-visual{grid-column:1/-1;margin-top:18px}.steps{gap:34px}}

.author{border-top:1px solid var(--line);padding-top:56px;padding-bottom:60px}
.author-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:56px;margin-top:34px;align-items:center}
.author-profile{display:grid;grid-template-columns:minmax(0,1fr) 156px;gap:24px;align-items:center}
.author-platform{display:inline-block;padding:2px 10px;border-radius:5px;background:#fff1f3;color:#c92345;font-size:12px;font-weight:650;line-height:1.8}
.author-copy h3{font-size:28px;margin-top:10px;letter-spacing:.3px}
.author-bio{font-size:15px;line-height:1.9;color:var(--muted);margin-top:10px}
.author-bio>span{white-space:nowrap}
.author-id{font-size:13px;color:var(--muted);margin-top:14px}
.author-id span{font-variant-numeric:tabular-nums;white-space:nowrap}
.author-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin-top:5px;color:var(--blue);font-size:14px;font-weight:600}
.author-link:hover{text-decoration:underline;text-underline-offset:4px}
.author-qr a{display:block;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:white}
.author-qr img{display:block;width:100%;height:auto;aspect-ratio:1;image-rendering:pixelated}
.author-qr figcaption{text-align:center;font-size:12px;line-height:1.7;margin-top:10px;color:var(--muted)}
.author-email{min-width:0;border-left:1px solid var(--line);padding:24px 0 24px 34px}
.author-email h3{font-size:20px;margin-top:12px}
.author-email>a{display:inline-block;color:var(--blue);font-size:15px;line-height:1.8;padding-block:12px;overflow-wrap:anywhere}
.author-email>a:hover{text-decoration:underline;text-underline-offset:4px}
.author-email>a span{display:inline-block;margin-left:5px}
@media(max-width:960px){.author-layout{gap:32px;grid-template-columns:1.55fr 1fr}.author-profile{grid-template-columns:minmax(0,1fr) 136px;gap:20px}.author-email{padding-left:24px}.author-bio{font-size:14px}}
@media(max-width:700px){.author{padding:42px 24px}.author-layout{grid-template-columns:1fr;gap:26px;margin-top:26px}.author-profile{grid-template-columns:minmax(0,1fr) 124px;gap:20px;align-items:start}.author-qr{margin-top:38px}.author-copy h3{font-size:26px}.author-bio{font-size:14px}.author-email{border-left:0;border-top:1px solid var(--line);padding:26px 0 0}.author-email h3{font-size:20px}.author-email>a{font-size:16px}}

.portfolio-link{display:inline-flex;align-items:center;min-height:44px;text-underline-offset:4px}.portfolio-link:hover{text-decoration:underline}.footer-links{align-items:center}.privacy-footer{max-width:800px;font-size:13px;color:var(--muted)}