:root{--ink:#292a25;--muted:#777970;--orange:#df762f;--paper:#faf9f6;--line:#e8e6df}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:5px}img{max-width:100%;display:block}.wrap{max-width:1160px;margin:auto;padding:0 32px}.review{padding:8px 24px;text-align:center;font-size:11px;background:#ecebe4;color:#66685e;letter-spacing:.5px}.review span{margin:0 24px}.review a{text-decoration:underline}.nav{height:88px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:650;letter-spacing:1px}.brand img{width:35px;height:35px;border-radius:9px}.navlinks{display:flex;align-items:center;gap:32px;font-size:14px}.button{display:inline-flex;justify-content:center;align-items:center;border-radius:9px;background:var(--orange);color:white;padding:16px 26px;font-size:15px;font-weight:600;transition:background .2s,transform .2s}.button:hover{background:#c76022;transform:translateY(-1px)}.button.small{padding:11px 18px;font-size:13px}.hero{text-align:center;padding-top:64px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:#969483;margin:0 0 20px}.hero h1{font-size:clamp(38px,4.6vw,62px);line-height:1.3;letter-spacing:-2px;margin:0 0 24px;font-weight:650}.hero h1 span{color:var(--orange)}.mobile-br{display:none}.intro{font-size:17px;line-height:1.95;color:var(--muted);margin:0}.actions{display:flex;align-items:center;justify-content:center;gap:28px;margin:30px 0 20px}.text-link{font-size:14px}.text-link span{margin-left:8px}.trust{display:flex;align-items:center;justify-content:center;gap:15px;font-size:12px;color:#89897b}.trust i{width:3px;height:3px;border-radius:50%;background:#b9b8a9}.product-frame{margin-top:54px;border:1px solid #dedcd4;border-radius:14px;overflow:hidden;box-shadow:0 20px 60px #4338250d;text-align:left}.window-bar{height:33px;background:#eeece5;display:flex;gap:6px;align-items:center;padding:0 13px}.window-bar>span{width:7px;height:7px;border-radius:50%;background:#cfcbc0}.window-bar small{font-size:10px;color:#9b978c;position:absolute;left:50%;transform:translateX(-50%)}.product-frame>img{width:100%}.caption{font-size:11px;color:#8d8c80;margin:18px 0 0;display:flex;justify-content:space-between}.caption span{color:#aaa89e}.section,.scene-section{padding-top:100px;padding-bottom:100px}.scene-section{margin-top:82px;background:#efeee7}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:42px;gap:28px}h2{font-size:36px;line-height:1.45;letter-spacing:-.8px;margin:0;font-weight:620}.section-desc{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.scene-shell{background:#faf9f6;border:1px solid #e1dfd6;border-radius:18px;overflow:hidden}.scene-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.scene-tabs button{border:0;border-right:1px solid var(--line);background:transparent;text-align:left;padding:23px 28px;cursor:pointer;display:grid;grid-template-columns:35px 1fr;gap:4px;color:#99998e;position:relative}.scene-tabs button:last-child{border-right:0}.scene-tabs button[aria-selected=true]{background:#fff9ef;color:var(--ink)}.scene-tabs button[aria-selected=true]:after{content:'';position:absolute;bottom:0;left:28px;right:28px;height:2px;background:var(--orange)}.scene-tabs span{font-size:11px;grid-row:span 2;padding-top:4px;color:#afab99}.scene-tabs strong{font-size:16px;font-weight:600}.scene-tabs small{font-size:12px;margin-top:4px}.scene-panel{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;min-height:455px;padding:38px 9%;gap:60px}.scene-panel[hidden]{display:none}.scene-copy h3{font-size:29px;line-height:1.5;font-weight:600;margin:16px 0}.tag{font-size:11px;color:#ba7339;letter-spacing:2px}.scene-copy p{font-size:15px;line-height:1.95;color:var(--muted)}.scene-copy a{display:inline-block;font-size:12px;color:#a45d2b;margin-top:15px}.scene-panel>img{max-height:410px;max-width:100%;margin:auto;border-radius:13px;object-fit:contain}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.feature{padding:32px 29px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}.feature svg{width:24px;height:24px;margin-bottom:20px}.feature h3{font-size:19px;font-weight:600;margin:0 0 12px}.feature p{font-size:14px;color:var(--muted);line-height:1.9;margin:0}.feature-links{display:flex;gap:26px;margin-top:24px;color:#9b6b43;font-size:12px}.comparison{background:white;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.table-wrap{border:1px solid var(--line);border-radius:12px;overflow:hidden}table{border-collapse:collapse;width:100%;font-size:13px;table-layout:fixed}th,td{padding:19px 22px;text-align:left;border-bottom:1px solid var(--line);line-height:1.85;vertical-align:top}thead{background:#f5f5ef}thead th{font-size:12px;color:#7b7d70;font-weight:500}th:first-child{width:120px}tbody th{font-weight:600}td{color:#77796e}tr:last-child th,tr:last-child td{border:0}.ours{background:#fff5e9}.ours th{color:#b65e22}.compare-bottom{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:22px}.compare-bottom p{font-size:11px;color:#9a9b90;line-height:1.8;margin:0}.compare-bottom a{white-space:nowrap}.faq{display:grid;grid-template-columns:1fr 1.55fr;gap:65px}.faq>div>p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:1.9;margin-top:20px}.questions details{border-bottom:1px solid var(--line)}.questions details:first-child{border-top:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:23px 0;font-size:15px;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary span{color:#b3ac99;font-size:20px;line-height:20px}details[open] summary span{transform:rotate(45deg)}details p{font-size:13px;line-height:1.95;color:var(--muted);margin:0 0 24px}details a{color:#a35e2e;white-space:nowrap}.download{text-align:center;background:#efeee7}.download h2{font-size:37px}.download-intro{font-size:15px;color:var(--muted);margin:18px 0 38px}.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;text-align:left}.platform-card{background:#faf9f6;border:1px solid #e1dfd5;border-radius:12px;padding:23px 20px}.platform-head{display:flex;align-items:center;justify-content:space-between;gap:7px}.platform-head h3{font-size:19px;margin:0 0 20px}.badge{font-size:9px;color:#7c8668;margin-bottom:20px}.platform-btn{display:block;padding:12px 5px;text-align:center;border:1px solid #dedbce;border-radius:7px;font-size:11px;background:white}.platform-btn:hover{border-color:var(--orange);color:#b46028}.platform-note{font-size:10px;line-height:1.9;color:#97988b;margin:15px 0 0}.release-note{font-size:10px;line-height:1.9;color:#98998d;margin:25px 0 0}.release-note a{margin-left:14px;color:#8e603b}.footer{padding-top:55px;padding-bottom:24px}.footer-main{display:grid;grid-template-columns:1.6fr 1.2fr .8fr .8fr;gap:40px;padding-bottom:45px}.footer-main p,.footer-main>div>a:not(.brand){font-size:12px;line-height:1.9;color:#93958a}.footer-links{display:flex;flex-direction:column;gap:9px}.qr img{width:90px;border-radius:8px}.qr p{font-size:10px!important}.legal{display:flex;flex-wrap:wrap;gap:22px;padding-top:22px;border-top:1px solid var(--line);font-size:9px;color:#a1a295}
@media(min-width:1500px){.wrap{max-width:1240px}}
@media(max-width:800px){.wrap{padding-left:24px;padding-right:24px}.hero{padding-top:40px}.hero h1{font-size:42px}.section,.scene-section{padding-top:65px;padding-bottom:65px}.feature{padding:25px 20px}.section-heading{align-items:flex-start;flex-direction:column;gap:16px}.section-desc br{display:none}.scene-panel{padding:30px;gap:20px}.scene-copy h3{font-size:24px}.scene-panel>img{max-height:330px}.scene-tabs button{padding:20px 15px;grid-template-columns:25px 1fr}.platform-grid{grid-template-columns:repeat(2,1fr)}.faq{gap:35px}.footer-main{gap:20px}.caption span{display:none}th,td{padding:14px 12px}.navlinks{gap:20px}}
@media(max-width:560px){.review span{display:none}.review a{margin-left:20px}.review{font-size:10px}.nav{height:74px}.brand{font-size:18px}.brand img{width:30px;height:30px}.navlinks>a:not(.button){display:none}.hero{padding-top:32px}.eyebrow{font-size:10px;letter-spacing:1.5px}.hero h1{font-size:36px;line-height:1.4;letter-spacing:-1px}.mobile-br{display:block}.intro{font-size:14px;line-height:1.9}.intro br{display:none}.actions{gap:18px;margin-top:25px}.actions .button{font-size:13px;padding:14px 18px}.text-link{font-size:12px}.trust{font-size:11px}.product-frame{margin-top:35px;border-radius:9px}.window-bar{height:22px}.window-bar small{font-size:8px}.product-frame>img{width:155%;max-width:none}.caption{font-size:9px;line-height:1.8}.scene-section{margin-top:45px}h2{font-size:28px}.section-desc{font-size:13px}.section-heading{margin-bottom:27px}.scene-tabs button{padding:17px 12px;display:flex;flex-direction:column;gap:4px}.scene-tabs span{font-size:9px;padding:0}.scene-tabs strong{font-size:14px}.scene-tabs small{display:none}.scene-tabs button[aria-selected=true]:after{left:12px;right:12px}.scene-panel{grid-template-columns:1fr;padding:28px 25px;gap:24px}.scene-copy h3{font-size:24px}.scene-copy p{font-size:13px}.scene-panel>img{max-height:340px}.feature-grid{grid-template-columns:1fr}.feature{padding:24px;display:grid;grid-template-columns:29px 1fr;column-gap:15px}.feature svg{grid-row:span 2;margin:2px 0 0}.feature h3{font-size:17px;margin-bottom:7px}.feature p{font-size:13px}.feature-links{flex-wrap:wrap;gap:15px;font-size:11px}.table-wrap{border:0;border-radius:0}table,tbody{display:block}thead{display:none}tr{display:block;padding:20px;border:1px solid var(--line);border-radius:10px;margin-bottom:10px}th:first-child{display:block;width:auto;padding:0 0 10px;border:0;font-size:17px}td{display:grid;grid-template-columns:68px 1fr;gap:10px;border:0;padding:7px 0;font-size:12px}td:before{content:attr(data-label);color:#9b9e90;font-size:10px;padding-top:2px}.compare-bottom{display:block}.compare-bottom a{display:inline-block;margin-top:17px}.faq{grid-template-columns:1fr;gap:25px}.faq h2 br{display:none}.faq>div>p:not(.eyebrow){font-size:13px}summary{font-size:14px}.download h2{font-size:27px}.download-intro{font-size:13px}.platform-card{padding:19px 13px}.platform-head h3{font-size:17px}.badge{font-size:8px}.platform-btn{font-size:10px}.release-note a{display:block;margin-left:0}.footer-main{grid-template-columns:1fr 1fr;gap:30px}.legal{gap:10px;font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* 2026-09-20: approved positioning and verbatim overview */
.positioning-intro{max-width:850px;margin:0 auto;text-align:left;text-wrap:pretty;font-size:16px;line-height:2}.hero h1{font-size:clamp(30px,4.2vw,56px)}
@media(max-width:560px){.hero h1{font-size:29px;letter-spacing:-.8px;line-height:1.5}.positioning-intro{font-size:14px;line-height:1.9}}

/* Four priority features and platform-neutral download entry. */
.platform-choices{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:0 0 22px}.platform-choices a{font-size:12px;color:var(--muted);padding:8px 14px;border:1px solid var(--line);border-radius:7px;background:white}.platform-choices a:hover{border-color:var(--orange);color:var(--orange)}
.feature-priority-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;border:0;margin-bottom:24px}.feature-priority-grid .feature{border:1px solid #e8dfd2;border-radius:14px;background:#fffaf2;padding:32px}.feature-priority-grid .feature h3{font-size:23px}.feature-priority-grid .feature svg{width:29px;height:29px}.feature-support-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
.feature-support-grid .feature{grid-column:span 2}.feature-support-grid .feature:nth-last-child(-n+2){grid-column:span 3}.scene-section{margin-top:0}.platform-card{scroll-margin-top:30px}
@media(max-width:560px){.feature-priority-grid,.feature-support-grid{grid-template-columns:1fr}.feature-priority-grid .feature{padding:24px}.feature-priority-grid .feature h3{font-size:20px}.feature-support-grid .feature,.feature-support-grid .feature:nth-last-child(-n+2){grid-column:auto}.platform-choices{gap:8px}.platform-choices a{padding:8px 11px}}

/* Four interactive priorities and paired Beijing device concepts. */
.hero-download{margin:32px 0 48px;scroll-margin-top:24px}.hero-download .platform-card{background:white}.priority-shell{margin-bottom:28px}.priority-shell .scene-tabs{grid-template-columns:repeat(4,minmax(0,1fr))}.priority-shell .scene-tabs button{padding:22px 18px;grid-template-columns:24px 1fr}.priority-shell .scene-panel{min-height:360px;padding:40px 6%;gap:50px}.feature-concept{width:100%;padding:28px;border:1px solid #e8dfd2;border-radius:14px;background:#fff7eb;text-align:center}.feature-concept h4{font-size:19px;margin:12px 0 20px}.feature-concept p{font-size:12px;color:var(--muted);line-height:1.8}.concept-icon{font-size:40px;color:var(--orange)}.concept-note{text-align:left;background:white;border:1px solid var(--line);border-radius:8px;padding:15px;margin:10px 0;font-size:14px;font-weight:600}.concept-note span{display:block;font-size:12px;font-weight:400;color:var(--muted);line-height:1.8;margin-top:6px}.concept-caption{font-size:10px;color:#a39a8b}.source-chips{display:flex;justify-content:center;gap:8px}.source-chips span{background:white;padding:10px;border-radius:7px;font-size:12px}.flow-arrow{font-size:25px;color:var(--orange);padding-top:10px}.ai-bubble{background:white;padding:18px;border-radius:12px;text-align:left;font-size:14px;line-height:1.8}.permission-line{padding:15px;font-size:11px;color:#ac682e}.sync-devices{display:flex;align-items:center;justify-content:center;gap:30px;color:var(--orange)}.sync-devices>span{font-size:50px}.sync-devices small{display:block;font-size:12px;color:var(--muted)}
.device-showcase{display:grid;grid-template-columns:minmax(0,1fr) 225px;gap:24px;align-items:center;text-align:left}.desktop-demo{border:1px solid #ddd9ce;border-radius:12px;overflow:hidden;background:white;box-shadow:0 15px 40px #4338250a}.desktop-content{display:grid;grid-template-columns:120px 155px minmax(0,1fr);min-height:450px}.desktop-content aside{padding:22px 12px;background:#f1eee8;border-right:1px solid var(--line);font-size:11px}.desktop-content aside b{font-size:14px}.desktop-content aside p{padding:6px}.desktop-content aside small{color:#a4a095;font-size:9px}.demo-selected{background:#fff8ee!important;border-left:2px solid var(--orange)!important}.demo-list{padding:12px;background:#faf9f6;border-right:1px solid var(--line)}.demo-list .concept-note{font-size:11px;padding:12px}.demo-list .concept-note span{font-size:10px}.demo-search{padding:9px;font-size:10px;background:#eeece5;border-radius:5px;color:#aaa}.demo-editor{padding:0 22px 22px;font-size:11px;line-height:1.9}.demo-editor h3{font-size:21px;margin-top:28px}.demo-editor h4{font-size:13px;margin-top:24px}.demo-toolbar{border-bottom:1px solid var(--line);padding:14px 0;color:#888;font-size:10px}.demo-check{color:#9a9b91}.demo-table{display:grid;grid-template-columns:50px 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.demo-table span{padding:8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}blockquote{border-left:2px solid #e5d5ba;margin:18px 0;padding-left:12px;color:#8d8b80}.phone-demo{border:5px solid #302f2b;border-radius:30px;background:white;overflow:hidden;box-shadow:0 15px 35px #43382515;padding:12px 10px}.phone-status{font-size:10px;font-weight:600;padding:0 5px 15px;display:flex;justify-content:space-between}.phone-nav{font-size:11px;color:var(--orange);display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}.phone-editor{font-size:10px;line-height:1.9;padding:5px}.phone-editor h3{font-size:17px}.phone-editor h4{font-size:12px;margin-top:20px}.phone-bottom{border-top:1px solid var(--line);font-size:10px;color:#999;text-align:center;padding:12px 0 6px}.device-showcase+.caption{flex-wrap:wrap;gap:8px}.device-showcase+.caption span{display:inline}
@media(max-width:1000px){.desktop-content{grid-template-columns:90px minmax(0,1fr)}.demo-list{display:none}.device-showcase{grid-template-columns:minmax(0,1fr) 200px;gap:16px}}
@media(max-width:560px){.hero-download{margin:25px 0 32px}.device-showcase{grid-template-columns:1fr}.desktop-content{grid-template-columns:75px minmax(0,1fr);min-height:360px}.desktop-content aside{padding:16px 6px}.demo-editor{padding:0 12px 14px;font-size:10px}.demo-editor h3{font-size:18px}.phone-demo{width:215px;justify-self:center}.priority-shell .scene-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.priority-shell .scene-tabs button{padding:16px;border-bottom:1px solid var(--line)}.priority-shell .scene-tabs small{display:block;font-size:10px}.priority-shell .scene-panel{padding:25px;gap:20px}.feature-concept{padding:20px}.device-showcase+.caption{font-size:10px;line-height:1.8}}

/* Latest design review: download styling, three lead features, six supporting cards. */
.hero-download .platform-card{background:#faf9f6;padding:25px 20px}.hero-download .badge{background:#e7f3eb;color:#34835a;padding:4px 9px;border-radius:20px;font-size:11px}.hero-download #download-ios .badge{background:none;color:var(--ink)}.hero-download .platform-btn{border:0;color:white;font-size:13px;font-weight:600;padding:14px 7px}.hero-download #download-macos .platform-btn{background:#ee7928}.hero-download #download-ios .platform-btn{background:#25231f}.hero-download #download-windows .platform-btn{background:#006bbc}.hero-download #download-android .platform-btn{background:#32d580;color:#11291d}.hero-download .platform-note{font-size:12px}.hero-download .platform-note strong{color:#bc580f}.priority-shell .scene-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-support-grid .feature:nth-last-child(-n+2){grid-column:span 2}.device-showcase{grid-template-columns:minmax(0,1fr) 210px;gap:24px;align-items:center}.desktop-real{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;box-shadow:0 15px 40px #43382512}.mobile-real{width:100%;height:auto;border:1px solid var(--line);border-radius:20px;box-shadow:0 15px 40px #43382512}.feature-ui-shot{width:100%;height:auto;border-radius:7px}.priority-shell .scene-panel{grid-template-columns:.75fr 1.4fr;padding:35px;gap:32px}.feature-concept{padding:12px}.concept-caption{display:block;margin-top:12px}.faq h2{font-size:36px}
@media(max-width:800px){.device-showcase{grid-template-columns:minmax(0,1fr) 150px}.priority-shell .scene-panel{grid-template-columns:1fr}}
@media(max-width:560px){.device-showcase{grid-template-columns:1fr}.mobile-real{width:215px;justify-self:center}.priority-shell .scene-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.priority-shell .scene-tabs button{padding:15px 10px}.priority-shell .scene-tabs strong{font-size:13px}.priority-shell .scene-tabs small{font-size:9px}.priority-shell .scene-panel{padding:20px}.feature-support-grid .feature:nth-last-child(-n+2){grid-column:auto}.hero-download .platform-card{padding:18px 12px}.hero-download .platform-btn{font-size:11px}.hero-download .platform-note{font-size:10px}.hero-download .badge{font-size:9px;padding:3px 6px}}

/* Compact, equal-height device imagery; visible security content. */
.device-showcase{display:grid;grid-template-columns:minmax(0,4.452fr) minmax(0,1fr);gap:24px;align-items:start}.desktop-real,.mobile-real{width:100%;height:auto;display:block;border-radius:12px}.hero{padding-top:38px}.section{padding-top:72px;padding-bottom:72px}.section-heading{margin-bottom:30px}.feature p,.scene-copy p,.intro{color:#52544d}.platform-note{color:#52544d!important}.security-item{padding:22px 0;border-top:1px solid var(--line)}.security-item h3{font-size:17px;line-height:1.6;margin:0 0 12px;font-weight:600}.security-item p{font-size:15px;line-height:1.9;color:#52544d;margin:0}.security-item a{color:#a45d2b}.clip-story{display:grid;grid-template-columns:1fr 1fr;gap:14px}.source-example,.ai-story{background:white;border:1px solid #e4e1d8;border-radius:12px;padding:22px;text-align:left}.visual-label{font-size:13px;font-weight:600;color:#4c554d;border-bottom:1px solid var(--line);padding-bottom:14px}.visual-label span{display:inline-block;margin-left:12px;color:#487451}.source-example h4{font-size:22px;line-height:1.55;margin:22px 0 15px}.source-example p{font-size:15px;line-height:1.9;color:#52544d}.reading-lines{height:65px;margin:20px 0;background:repeating-linear-gradient(to bottom,#f0eee7 0,#f0eee7 5px,transparent 5px,transparent 16px)}.share-action{border-top:1px solid var(--line);padding-top:18px;font-size:15px;font-weight:600;color:#a65b27}.chat-request{margin:20px 0 20px 40px;padding:15px;background:#f0f2f5;border-radius:12px;font-size:14px;line-height:1.8}.chat-answer{padding:18px;border:1px solid var(--line);border-radius:12px;font-size:14px;line-height:1.9}.chat-answer ul{padding-left:22px;margin-bottom:0}.chat-saved{padding:16px;background:#edf7ef;border-radius:10px;color:#387341;font-size:14px;line-height:1.8}.feature-concept{background:#f7f6f1}.priority-shell .scene-tabs button{align-items:center}.priority-shell .scene-tabs span{grid-row:auto}.feature-links{font-size:14px}.footer-main p,.footer-main>div>a:not(.brand),.legal{color:#52544d}
@media(max-width:560px){.device-showcase{grid-template-columns:1fr;gap:24px}.mobile-real{width:215px;justify-self:center}.clip-story{grid-template-columns:1fr}.section{padding-top:48px;padding-bottom:48px}.source-example{padding:18px}.chat-request{margin-left:15px}.security-item h3{font-size:16px}.security-item p{font-size:14px}}
@media(min-width:561px){.device-showcase{grid-template-columns:minmax(0,4.451868fr) minmax(0,1fr)}.device-showcase img{border:0;outline:1px solid var(--line)}}

/* Reuse the user's established illustration compositions without redrawing assets. */
.priority-shell .scene-panel{grid-template-columns:1fr;padding:34px 40px;gap:28px}.priority-shell .scene-copy{max-width:900px}.priority-shell .scene-copy h3{margin:0 0 12px;font-size:27px}.priority-shell .scene-copy p{margin:0;font-size:16px}.priority-shell .scene-copy a{margin-top:12px;font-size:13px}.priority-shell .feature-concept{background:white;border:0;padding:0;max-width:850px;margin:auto}.poster-window{width:100%;position:relative;overflow:hidden;background:white}.poster-window img{width:100%;max-width:none;display:block;position:absolute;left:0;height:auto}.collection-poster{aspect-ratio:1086/970}.collection-poster img{top:-37%}.ai-poster{aspect-ratio:1086/955}.ai-poster img{top:-40.3%}.local-benefits{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;background:#fff4e6;border-radius:12px 12px 0 0;color:#7a451e;font-size:15px}.local-benefits strong{font-size:21px}.local-visual .feature-ui-shot{border:1px solid var(--line);border-radius:0 0 10px 10px}
@media(max-width:560px){.priority-shell .scene-panel{padding:24px 16px;gap:20px}.priority-shell .scene-copy p{font-size:14px}.local-benefits{padding:12px;gap:8px;flex-wrap:wrap;font-size:11px}.local-benefits strong{font-size:15px;width:100%}.priority-shell .scene-copy h3{font-size:23px}}

/* Equal illustration height follows the local-first composition width. */
.priority-shell .feature-concept{container-type:inline-size}.local-benefits{height:66px;box-sizing:border-box}.local-visual,.poster-window{height:calc(100cqw * 700 / 1440 + 66px)}.poster-window{width:auto;margin-inline:auto}.collection-poster{aspect-ratio:1086/970}.ai-poster{aspect-ratio:1086/955}.local-visual .feature-ui-shot{height:calc(100cqw * 700 / 1440);object-fit:contain}.positioning-intro br{display:initial}
@media(max-width:560px){.local-benefits{height:76px}.local-visual,.poster-window{height:calc(100cqw * 700 / 1440 + 76px)}}

/* Remove illustration backing panels and center the five-line introduction. */
.positioning-intro{text-align:center}
#scene-collect .feature-concept,#scene-ai .feature-concept,
#scene-collect .poster-window,#scene-ai .poster-window{background:transparent;border-radius:0}
#scene-collect .poster-window img,#scene-ai .poster-window img{mix-blend-mode:multiply}

/* Unified original feature illustrations. */
.priority-shell .feature-concept{width:100%;max-width:1040px;container-type:inline-size;background:transparent}
#scene-ai .scene-copy br{display:initial}
.source-grid,.ai-story-grid{display:grid;gap:18px;align-items:stretch;text-align:left;color:#30342f}
.source-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.source-example,.ai-example{min-width:0;display:flex;flex-direction:column;gap:16px}
.source-example h4,.ai-example h4{font-size:16px;line-height:24px;text-align:center;margin:0;font-weight:600}
.source-window,.ai-window{display:flex;flex-direction:column;border:1px solid #dcded7;border-radius:14px;background:#fffefa;box-shadow:0 6px 18px #35392b06;overflow:hidden}
.source-window{height:424px}
.visual-toolbar{display:flex;align-items:center;justify-content:space-between;flex:0 0 44px;padding:0 14px;border-bottom:1px solid #e8e8e0;font-size:12px;background:#f4f4ef}
.visual-toolbar b{font-weight:500}
.source-body{padding:16px 14px;flex:1;min-height:0}
.source-author{display:flex;align-items:center;gap:7px;font-size:11px;color:#565e51;white-space:nowrap}
.source-avatar{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#eae0c9;color:#746548;font-size:11px}
.source-avatar.gallery{background:#dce5e2;color:#52706b}.source-avatar.web{background:#dfebdb;color:#54714e}.source-avatar.city{background:#eddcd5;color:#99674f}
.source-body h5{font-size:15px;line-height:1.6;min-height:48px;margin:12px 0}
.story-art{width:100%;height:auto;display:block;border-radius:6px}
.source-body p{font-size:12px;line-height:1.8;margin:14px 0 0;color:#444b42}
.source-action{height:72px;flex:0 0 72px;box-sizing:border-box;display:flex;align-items:center;gap:9px;padding:10px 12px;border-top:1px solid #e8e8e0;background:#f7f7f1}
.action-symbol{font-size:23px;color:#bc6e33}.source-action strong,.source-action div>span{display:block;font-size:11px;line-height:1.8;color:#414c3e}.source-action strong{font-size:12px}
.ai-story-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:920px;margin:auto}
.ai-window{height:454px}
.window-dots{font-size:9px;letter-spacing:3px;color:#acb4a5}
.conversation{padding:18px;display:flex;flex-direction:column;gap:14px;flex:1;min-height:0;font-size:13px;line-height:1.7}
.bubble{padding:12px 15px;border-radius:12px}.question{align-self:flex-end;background:#eeefea;max-width:90%}.answer{border:1px solid #e3e6dc;background:#fffefa}.assistant-label{color:#577154;font-size:11px;display:block;margin-bottom:7px;font-weight:600}
.bubble h5{font-size:14px;margin:0 0 10px}.bubble ol{padding-left:20px;margin:0;line-height:2.1}.bubble p{font-size:12px;margin:10px 0 0;color:#41493c}.found-note{font-size:12px;padding:5px 8px;background:#f5f6ef;margin:4px 0;border-radius:5px}.compact{padding:7px 12px}
.conversation-action{margin-top:auto;text-align:center;border:1px solid #dedfd6;border-radius:8px;padding:12px;color:#7f582f;background:#faf6ee}.conversation-action span{margin:0 12px}
.ai-outcome{height:66px;box-sizing:border-box;flex:0 0 66px;margin:0 18px 18px;padding:10px 12px;display:flex;align-items:center;gap:10px;background:#edf3e8;border:1px solid #dce7d4;border-radius:9px}.outcome-check{color:#4e7650;font-size:20px}.ai-outcome strong,.ai-outcome div>span{display:block;font-size:12px;line-height:1.8;color:#41563d}.ai-outcome div>span{font-size:11px}
.sync-composition{display:grid;grid-template-columns:minmax(0,1fr) 38px minmax(0,.235fr);gap:12px;align-items:end;max-width:1000px;margin:24px auto;text-align:left;color:#333a30}
.sync-laptop{min-width:0}.laptop-display{aspect-ratio:16/10;padding:9px;border-radius:15px 15px 5px 5px;background:#383c36;box-sizing:border-box;box-shadow:0 12px 24px #33351d12}.laptop-base{height:10px;background:linear-gradient(#ced0c7,#aeb1a6);border-radius:1px 1px 50% 50%;margin:0 -9px}.sync-app{height:100%;display:grid;grid-template-columns:20% 27% 53%;background:#fffefa;border-radius:5px;overflow:hidden}.sync-sidebar{padding:14px 9px;background:#eeeee5;display:flex;flex-direction:column;gap:14px;font-size:clamp(7px,1cqw,11px)}.sync-sidebar b{margin-bottom:8px}.sync-card-list{padding:14px 8px;background:#f6f5ef;font-size:clamp(7px,1cqw,11px)}.mini-note{padding:10px 8px;margin-top:10px;border:1px solid #e4e4da;border-radius:6px;background:#fffefa;line-height:1.5}.mini-note.selected{border-color:#d79b62;background:#fff7e9}.mini-note p{font-size:inherit;margin:6px 0;color:#5e6557}.mini-note span{font-size:.9em;color:#956230}.sync-note{padding:16px 15px;min-width:0;overflow:hidden}.sync-note h5{font-size:clamp(9px,1.6cqw,16px);margin:0 0 12px;line-height:1.5}.sync-note .story-art{max-height:46%;object-fit:cover}.sync-note h6{font-size:clamp(8px,1.15cqw,12px);margin:12px 0 5px}.sync-note p{font-size:clamp(7px,1cqw,11px);line-height:1.8;margin:4px 0;color:#3d4438}
.sync-arrows{align-self:center;font-size:32px;color:#ba844d;text-align:center}.sync-phone{aspect-ratio:390/844;border:6px solid #383c36;border-radius:26px;background:#fffefa;overflow:hidden;box-sizing:border-box;box-shadow:0 9px 22px #33351d12}.phone-status{display:flex;justify-content:space-between;font-size:8px;font-weight:600;padding:12px 10px 6px}.phone-nav{display:flex;justify-content:space-between;font-size:10px;padding:7px 10px;border-bottom:1px solid #ecece3}.sync-phone .sync-note{padding:12px 10px}.sync-phone .sync-note h5{font-size:clamp(9px,1.15cqw,12px);margin-bottom:10px}.sync-phone .sync-note h6{font-size:clamp(8px,1cqw,11px)}.sync-phone .sync-note p{font-size:clamp(7px,.9cqw,10px)}
@media(max-width:1000px){.source-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:680px;margin:auto}.source-window{height:430px}.source-body .story-art{height:140px;object-fit:cover}.ai-window{height:490px}.conversation{padding:14px;gap:10px;font-size:12px}.ai-outcome{margin:0 14px 14px}.sync-composition{gap:8px;grid-template-columns:minmax(0,1fr) 22px minmax(0,.235fr)}.sync-arrows{font-size:24px}.sync-phone{border-width:4px;border-radius:18px}.laptop-display{padding:6px}.sync-note{padding:10px}.sync-sidebar{padding:10px 6px;gap:9px}.mini-note{padding:7px 5px;margin-top:7px}}
@media(max-width:600px){.priority-shell .scene-panel{padding:26px 18px}.source-grid{gap:16px 12px}.source-example{gap:10px}.source-example h4,.ai-example h4{font-size:14px}.source-body{padding:12px 10px}.source-body h5{font-size:13px;min-height:42px}.source-author{font-size:10px;gap:5px}.source-body p{font-size:11px}.source-action{padding:8px;gap:5px}.source-action strong{font-size:11px}.source-action div>span{font-size:10px}.visual-toolbar{padding:0 10px;font-size:11px}.source-window{height:414px}.source-body .story-art{height:104px}.ai-story-grid{grid-template-columns:1fr;gap:24px}.ai-window{height:454px}.sync-composition{grid-template-columns:minmax(0,1fr) 16px minmax(0,.235fr);gap:5px}.sync-phone{border-width:3px;border-radius:12px}.sync-phone .sync-note{padding:5px}.phone-status{font-size:5px;padding:6px 5px 2px}.phone-nav{font-size:6px;padding:4px}.sync-phone .sync-note h5{font-size:6px;margin-bottom:5px}.sync-phone .sync-note h6{font-size:5px;margin:5px 0 2px}.sync-phone .sync-note p{font-size:4px;margin:2px 0}.sync-sidebar{font-size:5px;padding:7px 4px;gap:7px}.sync-card-list{font-size:5px;padding:7px 4px}.mini-note{padding:5px 3px;margin-top:5px}.sync-note{padding:7px}.sync-note h5{font-size:7px;margin-bottom:6px}.sync-note h6{font-size:6px;margin:6px 0 3px}.sync-note p{font-size:5px;margin:2px 0}.laptop-display{padding:4px;border-radius:8px 8px 2px 2px}.laptop-base{height:5px;margin:0 -4px}.sync-arrows{font-size:18px}}
.priority-shell .feature-concept .source-example,.priority-shell .feature-concept .ai-example{background:transparent;border:0;border-radius:0;padding:0;box-shadow:none}
.priority-shell .ai-window{height:500px}.conversation{flex-shrink:0}
/* Feature icons and benefit-oriented comparison. */
.priority-shell .scene-tabs .tab-icon{display:flex;align-items:center;justify-content:center;color:var(--orange);width:24px;height:24px}
.tab-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;flex-shrink:0}
.ai-example h4{min-height:48px;display:flex;align-items:center;justify-content:center;line-height:1.7;padding:0 8px}
.comparison-lead{font-size:19px;line-height:1.9;margin:0 0 28px;color:#45483e}.comparison-lead strong{font-weight:600;color:var(--ink)}
.choice-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:30px}.choice-highlights>div{border-top:2px solid #df762f;padding:20px;background:#f6f0e6}.choice-highlights strong{font-size:20px}.choice-highlights p{font-size:14px;line-height:1.8;margin:8px 0 0;color:#484e40}
.advantage-table{table-layout:fixed;min-width:0;width:100%}.advantage-table th:first-child{width:23%}.advantage-table th:nth-child(2){width:39%}.advantage-table th:nth-child(3){width:38%}.advantage-table td,.advantage-table th{white-space:normal;line-height:1.9;vertical-align:top;padding:22px 20px;font-size:14px}.advantage-table tbody th{font-weight:600}.advantage-table td a{text-decoration:underline;text-underline-offset:3px}.advantage-table .zhiliao-choice{background:#fff2e2;color:#403927}.zhiliao-choice strong{color:#ad551f;font-size:16px}.zhiliao-choice p{font-size:14px;line-height:1.9;margin:6px 0 0;color:#403e32}.comparison-action{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:28px}.comparison-action p{font-size:15px;line-height:1.8;max-width:650px}.comparison-action .button{flex-shrink:0}
@media(max-width:700px){.comparison-lead{font-size:16px}.choice-highlights{gap:10px}.choice-highlights>div{padding:14px 10px}.choice-highlights strong{font-size:16px}.choice-highlights p{font-size:12px}.advantage-table thead{display:none}.advantage-table,.advantage-table tbody,.advantage-table tr,.advantage-table th,.advantage-table td{display:block;width:100%!important}.advantage-table tr{border:1px solid var(--line);margin-bottom:18px;border-radius:10px;overflow:hidden}.advantage-table th,.advantage-table td{padding:16px;border:0}.advantage-table th{background:#efeee7}.advantage-table td:before{content:attr(data-label);display:block;font-weight:600;margin-bottom:8px;font-size:12px}.comparison-action{flex-direction:column;align-items:flex-start}.ai-example h4{font-size:14px}}
/* Download follows security; stable-height, accessible feature carousel. */
.download-section .hero-download{margin:0}.hero .device-showcase{margin-top:40px}
.priority-panels{display:grid}.priority-panels>.scene-panel{grid-area:1/1;align-self:start}.priority-panels>.scene-panel[hidden]{display:grid!important;visibility:hidden;pointer-events:none}
.carousel-controls{display:flex;justify-content:center;align-items:center;gap:12px;border-top:1px solid var(--line);padding:12px}.carousel-controls button{border:1px solid var(--line);background:transparent;color:#56594d;border-radius:7px;min-width:40px;padding:8px 12px;cursor:pointer;font-size:13px}.carousel-controls button:hover{background:#fff2e2}
@media(max-width:700px){.nav{height:auto;min-height:88px;flex-wrap:wrap;gap:18px;padding-top:20px;padding-bottom:20px}.navlinks{display:flex!important;flex-wrap:wrap;gap:16px;font-size:13px}.navlinks a{display:inline-flex!important}}
@media(max-width:1000px){.priority-panels{display:block}.priority-panels>.scene-panel[hidden]{display:none!important}}
/* Tighter spacing between page sections; no carousel control strip. */
.section{padding-top:44px;padding-bottom:44px}.section-heading{margin-bottom:24px}
.hero{padding-bottom:16px}.hero .device-showcase{margin-top:28px}
.feature-support-grid{margin-top:24px}.feature-links{margin-top:22px}
.footer{padding-top:32px}.download-section{padding-bottom:40px}
@media(max-width:560px){.section{padding-top:30px;padding-bottom:30px}.section-heading{margin-bottom:20px}.hero{padding-bottom:8px}.hero .device-showcase{margin-top:24px}.feature-support-grid{margin-top:20px}}
/* Compact priority stories: reduce the tab row and remove reserved empty panels. */
.priority-shell .scene-tabs button{padding-top:16px;padding-bottom:16px;min-height:56px}
.priority-panels{display:block}.priority-panels>.scene-panel[hidden]{display:none!important}
.priority-shell .scene-panel{padding-top:22px;padding-bottom:22px;gap:18px}
.priority-shell .scene-copy h3{margin-bottom:8px}.priority-shell .scene-copy a{margin-top:8px}
.ai-example{gap:10px}.ai-example h4{min-height:36px}.sync-composition{margin-top:12px;margin-bottom:12px}
@media(max-width:600px){.priority-shell .scene-tabs button{padding-top:12px;padding-bottom:12px;min-height:50px}.priority-shell .scene-panel{padding-top:18px;padding-bottom:18px;gap:16px}}