:root{--orange:#ff6400;--orange2:#ff8a00;--black:#050505;--panel:#111;--line:#2b2b2b;--text:#fff;--muted:#aaa;--cream:#eee7ca}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--black);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.65;letter-spacing:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.wrap{width:min(1180px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(0,0,0,.94);border-bottom:1px solid #191919}.nav-wrap{width:min(1210px,calc(100% - 48px));height:70px;display:flex;align-items:center;margin:auto;gap:46px}.brand{display:flex;align-items:center;gap:9px;color:var(--orange);font-size:18px;font-weight:900;white-space:nowrap}.brand img{border-radius:50%}.site-header nav{display:flex;gap:32px;margin-left:auto;color:#bbb;font-size:13px;font-weight:700}.site-header nav a{padding:23px 0;border-bottom:2px solid transparent}.site-header nav a:hover,.site-header nav a.active{color:#fff;border-color:var(--orange)}.nav-download,.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 25px;border-radius:99px;font-size:13px;font-weight:900}.nav-download,.primary{background:var(--orange);color:#080808}.secondary{border:1px solid #aaa}.hero{position:relative;aspect-ratio:2.22/1;overflow:hidden;border-radius:0 0 6px 6px}.hero picture,.hero picture img{width:100%;height:100%;object-fit:cover}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.92),rgba(0,0,0,.58) 48%,rgba(0,0,0,.08) 80%),linear-gradient(0deg,#050505,transparent 35%)}.hero-copy{position:absolute;left:6%;top:18%;width:48%}.eyebrow{margin:0 0 10px;color:var(--orange);font-size:12px;font-weight:900}.hero h1{margin:0;font-size:52px;line-height:1.1}.hero h1 span{font-size:.72em}.hero-copy>p:not(.eyebrow){max-width:550px;margin:18px 0;color:#ddd;font-size:16px}.hero-actions{display:flex;gap:12px;margin-top:25px}.hero-copy small{display:block;margin-top:13px;color:#888}.quick{display:grid;grid-template-columns:repeat(4,1fr);padding:28px 0;border-bottom:1px solid var(--line)}.quick div{display:grid;gap:2px;padding:0 28px;border-left:1px solid var(--line)}.quick div:first-child{border-left:0}.quick strong{font-size:16px}.quick span{color:#888;font-size:12px}.section{padding:100px 0}.section-head{text-align:center}.section-head>p{margin:0;color:var(--orange);font-size:12px;font-weight:900}.section-head h2{margin:7px 0 5px;font-size:42px;line-height:1.2}.section-head span{color:#999}.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:45px}.feature-cards article{min-height:260px;padding:34px;border:1px solid #3a3a3a;border-radius:6px;background:#090909}.feature-cards article.featured{border-color:var(--orange);background:#111}.num{color:var(--orange);font-size:12px;font-weight:900}.feature-cards h3{margin:55px 0 10px;font-size:27px}.feature-cards p{margin:0;color:#999}.text-link{display:block;width:max-content;margin:34px auto 0;color:var(--orange);font-size:13px;font-weight:900}.download-band{padding:90px 0;background:#101010}.download-grid{display:grid;grid-template-columns:1fr 430px;align-items:center;gap:90px}.download-grid h2{margin:5px 0 12px;font-size:44px}.download-grid>div>p:not(.eyebrow){max-width:620px;color:#aaa}.download-grid .primary{margin:20px 0 32px}.download-grid dl{display:grid;grid-template-columns:repeat(3,1fr);margin:0;padding-top:22px;border-top:1px solid #333}.download-grid dt{color:#777;font-size:10px}.download-grid dd{margin:2px 0 0;font-size:13px;font-weight:800}.download-grid picture{height:400px;overflow:hidden;border-radius:6px}.download-grid picture img{width:100%;height:100%;object-fit:cover;object-position:center 37%}.faq{width:min(760px,calc(100% - 40px))}.faq-list{margin-top:35px;border-top:1px solid #aaa}.faq details{border-bottom:1px solid #777}.faq summary{display:flex;justify-content:space-between;gap:25px;padding:20px 0;cursor:pointer;list-style:none;font-size:17px;font-weight:800}.faq summary::-webkit-details-marker{display:none}.faq summary span{font-size:23px;font-weight:400}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{margin:-5px 35px 20px 0;color:#aaa;font-size:14px}.help-links{display:flex;justify-content:center;gap:28px;margin-top:35px;color:var(--orange);font-size:13px;font-weight:800}.site-footer{padding:55px 0 24px;background:#0c0c0c;border-top:1px solid #252525}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px}.footer-grid p{margin:8px 0 0;color:#777;font-size:12px}.footer-grid nav{display:flex;gap:24px;align-items:center;color:#aaa;font-size:12px}.legal{grid-column:1/-1;display:flex;justify-content:space-between;padding-top:20px;border-top:1px solid #282828;color:#777;font-size:11px}.legal a:hover{color:var(--orange)}
.page-hero{padding:75px 0 55px;border-bottom:1px solid var(--line)}.breadcrumbs{color:#777;font-size:12px}.breadcrumbs a{color:var(--orange)}.page-hero h1{max-width:900px;margin:18px 0 12px;font-size:48px;line-height:1.2}.page-hero p{max-width:760px;margin:0;color:#aaa;font-size:17px}.article-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:80px;padding:70px 0 110px}.toc{position:sticky;top:100px;align-self:start;display:grid;border-top:1px solid #555}.toc a{padding:13px 0;border-bottom:1px solid #292929;color:#999;font-size:12px}.toc a:hover{color:var(--orange)}.article{max-width:800px}.article section{margin-bottom:58px;scroll-margin-top:100px}.article h2{margin:0 0 16px;font-size:30px}.article h3{margin:28px 0 8px;font-size:20px}.article p{margin:0 0 16px;color:#b8b8b8}.article ul,.article ol{color:#b8b8b8}.article li{margin:9px 0}.note{padding:20px 22px;border-left:3px solid var(--orange);background:#121212}.article-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:30px;border:1px solid #333}.article-cta h2{margin:0 0 4px}.article-cta p{margin:0}.article-cta .primary{flex:0 0 auto}
@media(max-width:760px){.wrap,.nav-wrap{width:min(100% - 28px,520px)}.nav-wrap{height:62px;gap:10px}.brand{font-size:14px}.brand img{width:32px;height:32px}.site-header nav{display:none}.nav-download{margin-left:auto;min-height:36px;padding:7px 14px;font-size:11px}.hero{height:620px;aspect-ratio:auto}.hero picture img{object-position:64% center}.hero-shade{background:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.25) 65%,#050505)}.hero-copy{top:48px;left:24px;width:calc(100% - 48px)}.hero h1{font-size:39px}.hero h1 span{display:block;margin-top:6px;font-size:.58em}.hero-copy>p:not(.eyebrow){font-size:14px}.hero-actions{align-items:stretch;flex-direction:column;width:230px}.quick{grid-template-columns:repeat(2,1fr);gap:22px 0}.quick div{padding:0 16px}.quick div:nth-child(3){border-left:0}.section{padding:72px 0}.section-head h2{font-size:32px}.feature-cards{grid-template-columns:1fr}.feature-cards article{min-height:210px}.feature-cards h3{margin-top:35px}.download-grid{grid-template-columns:1fr;gap:40px}.download-grid h2{font-size:34px}.download-grid dl{gap:10px}.download-grid picture{height:330px}.help-links{align-items:center;flex-direction:column;gap:14px}.footer-grid{grid-template-columns:1fr}.footer-grid nav{flex-wrap:wrap}.legal{align-items:flex-start;flex-direction:column;gap:8px}.page-hero{padding:55px 0 40px}.page-hero h1{font-size:35px}.page-hero p{font-size:15px}.article-layout{grid-template-columns:1fr;gap:35px;padding:45px 0 80px}.toc{position:static}.article h2{font-size:26px}.article-cta{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.hero h1 span{display:block;margin-top:8px;font-size:.62em}

/* Feature page: visual capability matrix */
.page-features .page-hero{position:relative;overflow:hidden;padding:105px 0 85px;background:#0d0d0d}
.page-features .page-hero::after{content:"功能";position:absolute;right:5%;top:-42px;color:#171717;font-size:230px;font-weight:900;line-height:1}
.page-features .page-hero .wrap{position:relative;z-index:1}
.page-features .page-hero h1{max-width:720px;font-size:58px}
.page-features .article-layout{display:block;padding-top:45px}
.page-features .toc{position:static;display:flex;justify-content:center;gap:10px;margin-bottom:60px;border:0}
.page-features .toc a{padding:10px 18px;border:1px solid #444;border-radius:99px}
.page-features .article{max-width:none;counter-reset:feature}
.page-features .article section{position:relative;display:grid;grid-template-columns:310px 1fr;gap:70px;min-height:260px;margin:0;padding:55px 55px 55px 150px;border-top:1px solid #303030;counter-increment:feature}
.page-features .article section:nth-child(even){background:#101010}
.page-features .article section::before{content:"0" counter(feature);position:absolute;left:42px;top:48px;color:var(--orange);font-size:44px;font-weight:900}
.page-features .article section h2{font-size:34px}
.page-features .article section h3{margin-top:0;color:var(--cream)}
.page-features .article section>p:first-of-type{font-size:17px;color:#ddd}
.page-features .article .note{grid-column:2}
.page-features .article-cta{margin-top:60px;background:var(--orange);color:#050505;border:0}
.page-features .article-cta p{color:#2a1609}.page-features .article-cta .primary{background:#050505;color:#fff}

/* Guide page: numbered installation timeline */
.page-guide{background:#070707}
.page-guide .page-hero{padding:90px 0;background:linear-gradient(90deg,#17110d,#080808 65%);border-bottom-color:#49230d}
.page-guide .page-hero h1{max-width:780px;color:#fff}
.page-guide .article-layout{grid-template-columns:260px minmax(0,1fr);gap:70px}
.page-guide .toc{padding:18px;border:1px solid #352116;background:#100d0a}
.page-guide .toc a{position:relative;padding:15px 12px 15px 34px;border-color:#362116}
.page-guide .toc a::before{content:"";position:absolute;left:12px;top:22px;width:7px;height:7px;border-radius:50%;background:var(--orange)}
.page-guide .article{position:relative;max-width:none;padding-left:55px;counter-reset:step}
.page-guide .article::before{content:"";position:absolute;left:15px;top:8px;bottom:170px;width:1px;background:#75300b}
.page-guide .article section{position:relative;margin-bottom:28px;padding:32px 36px;border:1px solid #2f2a27;background:#0d0c0b;counter-increment:step}
.page-guide .article section::before{content:counter(step);position:absolute;left:-55px;top:29px;width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--orange);border-radius:50%;background:#070707;color:var(--orange);font-size:12px;font-weight:900}
.page-guide .article section h2{color:#f4e6dc}.page-guide .article h3{color:#ffb27b}
.page-guide .article ol{padding-left:22px}.page-guide .article ol li{padding-left:8px;margin:16px 0}
.page-guide .article-cta{margin-top:45px;border-color:var(--orange);background:#160e09}

/* About page: open editorial narrative */
.page-about .page-hero{min-height:430px;display:flex;align-items:end;padding:80px 0;background:linear-gradient(110deg,#050505 0 55%,#1a0c04 55%)}
.page-about .page-hero .wrap{display:grid;grid-template-columns:1fr 380px;gap:80px;align-items:end}
.page-about .breadcrumbs{grid-column:1/-1}.page-about .page-hero h1{margin-bottom:0;font-size:76px}
.page-about .page-hero p{padding-left:30px;border-left:4px solid var(--orange);font-size:20px}
.page-about .article-layout{display:block;width:min(1040px,calc(100% - 48px))}
.page-about .toc{display:none}
.page-about .article{max-width:none}
.page-about .article section{display:grid;grid-template-columns:260px 1fr;gap:80px;margin:0;padding:70px 0;border-bottom:1px solid #292929}
.page-about .article section h2{font-size:36px;line-height:1.25}
.page-about .article section h3,.page-about .article section p,.page-about .article section ul{grid-column:2}
.page-about .article section h3{margin:18px 0 0;color:var(--orange)}
.page-about .article section p{font-size:16px}
.page-about .article section:nth-child(3){margin-inline:-45px;padding-inline:45px;background:#101010}
.page-about .article-cta{margin-top:75px;padding:45px;background:var(--cream);color:#111;border:0}
.page-about .article-cta p{color:#554f40}

/* Privacy page: restrained formal document */
.page-privacy{background:#0c0c0c}
.page-privacy .page-hero{padding:70px 0;text-align:center;background:#111}
.page-privacy .page-hero .breadcrumbs{display:none}
.page-privacy .page-hero h1{margin-inline:auto;font-size:42px}.page-privacy .page-hero p{margin-inline:auto}
.page-privacy .article-layout{display:block;width:min(900px,calc(100% - 40px));padding-top:42px}
.page-privacy .toc{position:static;display:grid;grid-template-columns:repeat(3,1fr);margin-bottom:48px;border:1px solid #333;background:#090909}
.page-privacy .toc a{padding:14px 18px;border:0;border-right:1px solid #292929;border-bottom:1px solid #292929;text-align:center}
.page-privacy .article{max-width:none;counter-reset:clause}
.page-privacy .article section{position:relative;margin:0;padding:44px 45px 44px 105px;border-bottom:1px solid #333;background:#111;counter-increment:clause}
.page-privacy .article section:nth-child(even){background:#0e0e0e}
.page-privacy .article section::before{content:"第 " counter(clause) " 章";position:absolute;left:28px;top:49px;color:#777;font-size:11px;font-weight:800}
.page-privacy .article section h2{font-size:25px}.page-privacy .article section p{font-size:14px;line-height:1.9}
.page-privacy .article-cta{margin-top:45px;background:#090909}

@media(max-width:760px){
  .page-features .page-hero{padding:65px 0 50px}.page-features .page-hero::after{font-size:110px}.page-features .page-hero h1{font-size:36px}
  .page-features .toc{justify-content:flex-start;overflow-x:auto;margin-bottom:35px}.page-features .toc a{flex:0 0 auto}
  .page-features .article section{display:block;min-height:0;padding:75px 24px 34px}.page-features .article section::before{left:24px;top:20px;font-size:30px}.page-features .article .note{grid-column:auto}
  .page-guide .article-layout{grid-template-columns:1fr}.page-guide .toc{position:static}.page-guide .article{padding-left:35px}.page-guide .article::before{left:8px}.page-guide .article section{padding:26px 22px}.page-guide .article section::before{left:-43px}
  .page-about .page-hero{min-height:360px}.page-about .page-hero .wrap{grid-template-columns:1fr;gap:25px}.page-about .page-hero h1{font-size:52px}.page-about .page-hero p{font-size:16px}.page-about .article-layout{width:min(100% - 28px,520px)}
  .page-about .article section{display:block;padding:50px 0}.page-about .article section h2{font-size:30px}.page-about .article section h3,.page-about .article section p{grid-column:auto}.page-about .article section:nth-child(3){margin-inline:-14px;padding-inline:14px}
  .page-privacy .toc{grid-template-columns:repeat(2,1fr)}.page-privacy .article section{padding:70px 22px 32px}.page-privacy .article section::before{left:22px;top:24px}.page-privacy .article section h2{font-size:23px}
}

/* Unified subpage layout */
.page-features,.page-guide,.page-about,.page-privacy{background:#eef7ff}
.page-features .page-hero,.page-guide .page-hero,.page-about .page-hero,.page-privacy .page-hero{min-height:0;display:block;padding:64px 0 58px;background:#d9efff;border-bottom:1px solid #a9cdea;text-align:left}
.page-features .page-hero::after{content:none}
.page-features .page-hero .wrap,.page-guide .page-hero .wrap,.page-about .page-hero .wrap,.page-privacy .page-hero .wrap{display:block}
.page-features .breadcrumbs,.page-guide .breadcrumbs,.page-about .breadcrumbs,.page-privacy .breadcrumbs{display:block;grid-column:auto;margin:0 0 16px;color:#537ba0}
.page-features .page-hero h1,.page-guide .page-hero h1,.page-about .page-hero h1,.page-privacy .page-hero h1{max-width:820px;margin:0;font-size:46px;line-height:1.2;color:#12335b}
.page-features .page-hero p,.page-guide .page-hero p,.page-about .page-hero p,.page-privacy .page-hero p{max-width:720px;margin:14px 0 0;padding:0;border:0;color:#315f88;font-size:16px}

.page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(1080px,calc(100% - 48px));display:grid;grid-template-columns:190px minmax(0,1fr);align-items:start;gap:54px;padding:54px 0 90px}
.page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{position:sticky;top:96px;display:grid;grid-template-columns:1fr;margin:0;padding:0;border:0;border-top:2px solid #1769aa;background:transparent}
.page-features .toc a,.page-guide .toc a,.page-about .toc a,.page-privacy .toc a{position:relative;padding:13px 4px;border:0;border-bottom:1px solid #b8d6ed;border-radius:0;background:transparent;color:#315f88;text-align:left;font-size:12px}
.page-features .toc a::before,.page-guide .toc a::before,.page-about .toc a::before,.page-privacy .toc a::before{content:none}
.page-features .toc a:hover,.page-guide .toc a:hover,.page-about .toc a:hover,.page-privacy .toc a:hover{padding-left:9px;color:#0f5f9e}

.page-features .article,.page-guide .article,.page-about .article,.page-privacy .article{position:relative;max-width:none;padding:42px 46px;background:#fff;border:1px solid #b9d8f3;border-radius:6px;counter-reset:section}
.page-features .article::before,.page-guide .article::before,.page-about .article::before,.page-privacy .article::before{content:none}
.page-features .article section,.page-features .article section:nth-child(even),.page-guide .article section,.page-about .article section,.page-about .article section:nth-child(3),.page-privacy .article section,.page-privacy .article section:nth-child(even){position:relative;display:block;min-height:0;margin:0;padding:0 0 40px;border:0;border-bottom:1px solid #c7dff2;border-radius:0;background:transparent;counter-increment:section}
.page-features .article section+.article section,.page-guide .article section+.article section,.page-about .article section+.article section,.page-privacy .article section+.article section{margin-top:40px}
.page-features .article section:not(:first-child),.page-guide .article section:not(:first-child),.page-about .article section:not(:first-child),.page-privacy .article section:not(:first-child){margin-top:40px}
.page-features .article section::before,.page-guide .article section::before,.page-privacy .article section::before{position:static;width:max-content;height:auto;display:inline-flex;place-items:initial;margin:0 0 12px;padding:4px 9px;border:0;border-radius:3px;background:#ffd84d;color:#12335b;font-size:11px;font-weight:900;line-height:1.4}
.page-features .article section::before,.page-guide .article section::before{content:"0" counter(section)}
.page-privacy .article section::before{content:"第 " counter(section) " 章"}
.page-about .article section::before{content:none}
.page-features .article section h2,.page-guide .article section h2,.page-about .article section h2,.page-privacy .article section h2{display:block;margin:0 0 16px;color:#12335b;font-size:28px;line-height:1.35}
.page-features .article section h3,.page-guide .article section h3,.page-about .article section h3,.page-privacy .article section h3{display:block;margin:26px 0 8px;color:#1769aa;font-size:19px}
.page-features .article section>p,.page-features .article section>h3,.page-features .article section>ol,.page-features .article section>ul,.page-features .article section>.note{grid-column:auto;grid-row:auto}
.page-features .article section p,.page-guide .article section p,.page-about .article section p,.page-privacy .article section p{margin:0 0 14px;color:#315f88;font-size:15px;line-height:1.9}
.page-features .article section>p:first-of-type{color:#315f88;font-size:15px}
.page-features .article section ol,.page-guide .article section ol,.page-about .article section ol,.page-privacy .article section ol,.page-features .article section ul,.page-guide .article section ul,.page-about .article section ul,.page-privacy .article section ul{color:#315f88;line-height:1.8}
.page-features .note,.page-guide .note,.page-about .note,.page-privacy .note{margin:20px 0 0;padding:18px 20px;border-left:4px solid #f2bd16;background:#fff8cf;color:#315f88}
.page-features .article-cta,.page-guide .article-cta,.page-about .article-cta,.page-privacy .article-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;margin:34px 0 0;padding:28px 30px;border:0;border-radius:6px;background:#d9efff;color:#12335b}
.page-features .article-cta h2,.page-guide .article-cta h2,.page-about .article-cta h2,.page-privacy .article-cta h2{margin:0 0 4px;font-size:24px}
.page-features .article-cta p,.page-guide .article-cta p,.page-about .article-cta p,.page-privacy .article-cta p{margin:0;color:#315f88}
.page-features .article-cta .primary,.page-guide .article-cta .primary,.page-about .article-cta .primary{background:#f2bd16;color:#12335b}

@media(max-width:760px){
  .page-features .page-hero,.page-guide .page-hero,.page-about .page-hero,.page-privacy .page-hero{min-height:0;padding:46px 0 40px}
  .page-features .page-hero h1,.page-guide .page-hero h1,.page-about .page-hero h1,.page-privacy .page-hero h1{font-size:33px}
  .page-features .page-hero p,.page-guide .page-hero p,.page-about .page-hero p,.page-privacy .page-hero p{font-size:14px}
  .page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(100% - 28px,520px);grid-template-columns:1fr;gap:24px;padding:32px 0 64px}
  .page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;border-top:0}
  .page-features .toc a,.page-guide .toc a,.page-about .toc a,.page-privacy .toc a{flex:0 0 auto;padding:8px 13px;border:1px solid #8fbae0;border-radius:99px;background:#fff}
  .page-features .article,.page-guide .article,.page-about .article,.page-privacy .article{padding:28px 22px}
  .page-features .article section,.page-features .article section:nth-child(even),.page-guide .article section,.page-about .article section,.page-about .article section:nth-child(3),.page-privacy .article section,.page-privacy .article section:nth-child(even){padding:0 0 32px}
  .page-features .article section h2,.page-guide .article section h2,.page-about .article section h2,.page-privacy .article section h2{font-size:24px}
  .page-features .article-cta,.page-guide .article-cta,.page-about .article-cta,.page-privacy .article-cta{align-items:flex-start;flex-direction:column;padding:24px}
}

/* Rounded geometry without shadows. */
.hero{border-radius:0 0 16px 16px}
.feature-cards article{border-radius:12px}
.download-grid picture{border-radius:14px}
.faq-list{overflow:hidden;border:1px solid #c7dff5;border-radius:12px}
.faq details{padding-inline:20px}.faq details:last-child{border-bottom:0}
.article-cta{border-radius:12px}
.page-features .article section{border-radius:12px}
.page-features .article section+section{margin-top:14px}
.page-guide .toc{border-radius:12px}
.page-guide .article section{border-radius:12px}
.page-about .article section:nth-child(3){border-radius:14px}
.page-privacy .toc{overflow:hidden;border-radius:12px}
.page-privacy .article section{border:1px solid #333;border-radius:12px}
.page-privacy .article section+section{margin-top:12px}

@media(max-width:760px){
  .hero{border-radius:0 0 12px 12px}
  .feature-cards article,.article-cta,.page-features .article section,.page-guide .article section,.page-privacy .article section{border-radius:10px}
  .faq details{padding-inline:14px}
}

/* Homepage content expansion */
.capability{background:#d9efff;border-block:1px solid #a9d0ed}
.capability-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:45px}
.capability-grid article{display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;padding:28px;border:1px solid #acd0ec;border-radius:12px;background:#fff}
.capability-grid svg{width:52px;height:52px;padding:11px;border:1px solid #e2b21a;border-radius:10px;fill:none;stroke:#1769aa;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.capability-grid h3{margin:0 0 5px;color:#12335b;font-size:20px}.capability-grid p{margin:0;color:#52728f;font-size:14px}
.scenes{display:grid;grid-template-columns:390px 1fr;gap:85px;align-items:start}
.scenes-intro h2{margin:7px 0 15px;color:#12335b;font-size:38px;line-height:1.25}.scenes-intro>p:not(.eyebrow){color:#52728f}.scenes-intro .text-link{margin:25px 0 0}
.scene-list{border-top:2px solid #1769aa}.scene-list article{display:grid;grid-template-columns:105px 190px 1fr;gap:25px;align-items:center;min-height:105px;border-bottom:1px solid #afd0eb}
.scene-list span{color:#b58000;font-size:12px;font-weight:900}.scene-list strong{color:#12335b;font-size:17px}.scene-list p{margin:0;color:#52728f;font-size:13px}
.official{padding:70px 0;background:#1769aa;color:#fff}
.official-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:90px;align-items:center}.official h2{margin:6px 0 10px;font-size:34px}.official p:not(.eyebrow){margin:0;color:#d7ebfa}.official .eyebrow{color:#ffd84d}
.official-checks{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #7db5df;border-radius:12px;overflow:hidden}
.official-checks div{display:grid;gap:13px;min-height:150px;padding:22px;border-left:1px solid #7db5df}.official-checks div:first-child{border-left:0}.official-checks b{color:#ffd84d;font-size:12px}.official-checks span{font-size:12px;color:#c9e2f5}.official-checks strong{display:block;margin-bottom:5px;color:#fff;font-size:15px}
@media(max-width:760px){.capability-grid{grid-template-columns:1fr}.capability-grid article{grid-template-columns:50px 1fr;padding:22px;gap:16px}.capability-grid svg{width:44px;height:44px;padding:9px}.scenes{grid-template-columns:1fr;gap:36px}.scenes-intro h2{font-size:31px}.scene-list article{grid-template-columns:85px 1fr;gap:8px 16px;padding:18px 0}.scene-list p{grid-column:2}.official{padding:60px 0}.official-grid{grid-template-columns:1fr;gap:35px}.official-checks{grid-template-columns:1fr}.official-checks div{min-height:0;border-left:0;border-top:1px solid #7db5df}.official-checks div:first-child{border-top:0}}

/* Download artwork keeps a true 3:4 portrait ratio. */
.download-grid picture{width:100%;height:auto;aspect-ratio:3 / 4}
.download-grid picture img{width:100%;height:100%;object-fit:cover;object-position:center}
@media(max-width:760px){.download-grid picture{height:auto;aspect-ratio:3 / 4}}

/* FAQ aligns with the main 1180px content grid. */
.faq{width:min(1180px,calc(100% - 48px))}
.faq-list{width:100%}
@media(max-width:760px){.faq{width:min(100% - 28px,520px)}}

/* Richer download panel */
.download-copy{align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.download-label{width:max-content;display:flex;align-items:center;gap:10px;margin-bottom:28px;padding:9px 13px;border:1px solid #8ebbe0;border-radius:10px;background:#fff;color:#52728f;font-size:11px}
.download-label svg{width:22px;height:22px;fill:none;stroke:#1769aa;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.download-label b{display:block;color:#12335b;font-size:12px}
.download-actions{display:flex;align-items:center;gap:22px;margin:22px 0 30px}.download-actions .primary{margin:0}.download-actions>a:last-child{color:#1769aa;font-size:12px;font-weight:900}
.download-copy dl{margin-bottom:28px}
.install-steps{padding-top:24px;border-top:1px solid #9fc8e8}.install-steps h3{margin:0 0 14px;color:#12335b;font-size:15px}
.install-steps ol{display:grid;grid-template-columns:repeat(3,1fr);margin:0;padding:0;list-style:none}
.install-steps li{display:grid;grid-template-columns:26px 1fr;gap:8px;padding-right:15px;border-right:1px solid #b8d7ee;color:#52728f;font-size:10px}.install-steps li:last-child{border-right:0;padding-right:0;padding-left:15px}.install-steps li:nth-child(2){padding-left:15px}
.install-steps li>b{color:#d39d00;font-size:11px}.install-steps span,.install-steps strong{display:block}.install-steps strong{margin-bottom:3px;color:#12335b;font-size:12px}
.download-note{margin:22px 0 0!important;padding:12px 15px;border-left:3px solid #e2b21a;background:#fff8cf;color:#52728f!important;font-size:11px}
@media(max-width:760px){.download-label{margin-bottom:22px}.download-actions{align-items:flex-start;flex-direction:column;gap:14px}.install-steps ol{grid-template-columns:1fr}.install-steps li,.install-steps li:nth-child(2),.install-steps li:last-child{padding:12px 0;border-right:0;border-bottom:1px solid #b8d7ee}.install-steps li:last-child{border-bottom:0}}

/* Global heading scale: identical levels use identical size and line height. */
:root{--title-h1:52px;--title-h2:34px;--title-h3:20px;--line-h1:1.15;--line-h2:1.25;--line-h3:1.35}
body h1{font-size:var(--title-h1)!important;line-height:var(--line-h1)!important;letter-spacing:0}
body h2{font-size:var(--title-h2)!important;line-height:var(--line-h2)!important;letter-spacing:0}
body h3{font-size:var(--title-h3)!important;line-height:var(--line-h3)!important;letter-spacing:0}
@media(max-width:760px){:root{--title-h1:38px;--title-h2:29px;--title-h3:18px}}

/* Skip below-the-fold painting until each section approaches the viewport. */
.capability,.scenes,.official,.download-band,.faq,.site-footer{content-visibility:auto}
.capability,.scenes{contain-intrinsic-size:auto 720px}
.official{contain-intrinsic-size:auto 360px}
.download-band{contain-intrinsic-size:auto 850px}
.faq{contain-intrinsic-size:auto 650px}
.site-footer{contain-intrinsic-size:auto 180px}
.article section{content-visibility:auto;contain-intrinsic-size:auto 430px}

/* Permanent project constraint: no soft or hard shadows anywhere. */
*,*::before,*::after{box-shadow:none!important;text-shadow:none!important}

/* Light theme */
:root{--orange:#f2bd16;--orange2:#ffd84d;--black:#eef7ff;--panel:#fff;--line:#bed8f2;--text:#12335b;--muted:#42698f;--cream:#ffd84d;color-scheme:light}
body{background:var(--black);color:var(--text)}
.site-header{background:rgba(255,255,255,.96);border-bottom-color:#c7dff5;}
.brand{color:#1769aa}.site-header nav{color:#315f8c}.site-header nav a:hover,.site-header nav a.active{color:#0f4f88}
.nav-download,.primary{color:#12335b;}
.secondary{border-color:#4b83b4;background:rgba(255,255,255,.84);color:#164e7d}
.hero{background:#cfe9ff;}
.hero picture img{filter:brightness(1.06) saturate(.86)}
.hero-shade{background:linear-gradient(90deg,rgba(234,247,255,.98),rgba(219,240,255,.9) 44%,rgba(207,233,255,.08) 78%),linear-gradient(0deg,rgba(238,247,255,.74),transparent 34%)}
.hero-copy>p:not(.eyebrow){color:#285b87}.hero-copy small{color:#47749c}
.eyebrow,.section-head>p,.num,.text-link,.help-links{color:#c28d00}
.quick span{color:#426f97}
.section-head span{color:#3d6d97}
.feature-cards article{border-color:#b9d8f3;background:#fff;}
.feature-cards article.featured{background:#fffdf3;border-color:#e7b51f;}
.feature-cards p{color:#3b668d}
.download-band{background:#d9efff}
.download-grid>div>p:not(.eyebrow){color:#315f88}.download-grid dl{border-top-color:#a9cdea}.download-grid dt{color:#46739a}
.download-grid picture{}
.faq-list{border-top-color:#76a9d2}.faq details{border-bottom-color:#b4d3ed}.faq details p{color:#37648c}
.site-footer{background:#cfe8fb;border-top-color:#acd0ed}.footer-grid p,.footer-grid nav,.legal{color:#315f88}.legal{border-top-color:#a9cce8}
.page-hero{border-bottom-color:var(--line)}.breadcrumbs{color:#758297}.page-hero p{color:#59687e}
.toc{border-top-color:#b9c4d2}.toc a{border-bottom-color:#dce3ec;color:#66758a}
.article p,.article ul,.article ol{color:#315f88}.note{background:#fff8cf}.article-cta{border-color:#b8d6ef;background:#fff}
@media(max-width:760px){.hero-shade{background:linear-gradient(180deg,rgba(234,247,255,.98),rgba(219,240,255,.8) 52%,rgba(207,233,255,.18) 76%,#eef7ff)}.hero-copy>p:not(.eyebrow){color:#24577f}}

/* Blue-yellow inner pages */
.page-features .page-hero{background:#d9efff}
.page-features .page-hero::after{color:#bfddf5}
.page-features .toc a{border-color:#77a9d2;background:#fff;color:#245a87}
.page-features .article section{border-top-color:#9dc5e5}
.page-features .article section:nth-child(even){background:#fff9d8}
.page-features .article section h3{color:#a77900}
.page-features .article section>p:first-of-type{color:#315f88}
.page-features .article-cta{background:#ffd84d;color:#12335b}
.page-features .article-cta p{color:#315f88}
.page-features .article-cta .primary{background:#1769aa;color:#fff}

.page-guide{background:#eef7ff}
.page-guide .page-hero{background:linear-gradient(110deg,#cfeaff 0 68%,#fff3ad 68%);border-bottom-color:#9bc5e6}
.page-guide .page-hero h1{color:#12335b}
.page-guide .toc{border-color:#a8cce9;background:#fff}
.page-guide .toc a{border-color:#c7dff2;color:#315f88}
.page-guide .article::before{background:#e2b21a}
.page-guide .article section{border-color:#b8d6ed;background:#fff}
.page-guide .article section::before{background:#ffd84d;color:#12335b}
.page-guide .article section h2{color:#12335b}
.page-guide .article h3{color:#9c7200}
.page-guide .article-cta{border-color:#e0ae11;background:#fff8cf}

.page-about .page-hero{background:linear-gradient(110deg,#cfeaff 0 55%,#fff3ad 55%)}
.page-about .article section{border-bottom-color:#b8d6ed}
.page-about .article section:nth-child(3){background:#fff9d8}
.page-about .article-cta{background:#ffd84d;color:#12335b}
.page-about .article-cta p{color:#315f88}

.page-privacy{background:#eef7ff}
.page-privacy .page-hero{background:#d9efff}
.page-privacy .toc{border-color:#a8cce9;background:#fff}
.page-privacy .toc a{border-color:#c7dff2;color:#315f88}
.page-privacy .article section{border-bottom-color:#b8d6ed;background:#fff}
.page-privacy .article section:nth-child(even){background:#fff9d8}
.page-privacy .article section::before{color:#527da2}
.page-privacy .article-cta{background:#fff}

/* Mobile page navigation */
.mobile-menu{display:none}
@media(max-width:760px){
  .mobile-menu{position:relative;display:block;margin-left:auto}
  .mobile-menu summary{position:relative;width:38px;height:38px;border:1px solid #8fbae0;border-radius:6px;background:#fff;cursor:pointer;list-style:none}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu summary span,.mobile-menu summary::before,.mobile-menu summary::after{position:absolute;left:10px;width:16px;height:2px;border-radius:2px;background:#1769aa;content:"";transition:transform .15s,opacity .15s}
  .mobile-menu summary::before{top:11px}.mobile-menu summary span{top:17px}.mobile-menu summary::after{top:23px}
  .mobile-menu[open] summary::before{top:17px;transform:rotate(45deg)}
  .mobile-menu[open] summary span{opacity:0}
  .mobile-menu[open] summary::after{top:17px;transform:rotate(-45deg)}
  .mobile-menu>div{position:absolute;top:46px;right:0;width:180px;padding:7px;border:1px solid #a8cce9;border-radius:6px;background:#fff;box-shadow:0 12px 30px rgba(18,51,91,.18)}
  .mobile-menu a{display:block;padding:11px 13px;border-radius:4px;color:#315f88;font-size:13px;font-weight:700}
  .mobile-menu a:hover,.mobile-menu a.active{background:#d9efff;color:#0f5f9e}
  .nav-download{margin-left:0}
}

/* Feature page layout refinement */
.page-features .page-hero{padding:68px 0 58px}
.page-features .page-hero::after{top:-34px;font-size:190px}
.page-features .page-hero h1{max-width:760px;font-size:50px;line-height:1.16}
.page-features .article-layout{width:min(1080px,calc(100% - 48px));padding:32px 0 90px}
.page-features .toc{margin-bottom:34px}
.page-features .toc a{padding:8px 16px}
.page-features .article section,
.page-features .article section:nth-child(even){display:grid;grid-template-columns:250px minmax(0,1fr);gap:14px 48px;min-height:0;margin:0 0 18px;padding:38px 46px 38px 106px;border:1px solid #b9d8f3;border-radius:6px;background:#fff}
.page-features .article section:nth-child(even){border-color:#ead58b;background:#fff9df}
.page-features .article section::before{left:38px;top:34px;font-size:34px}
.page-features .article section h2{grid-column:1;grid-row:1;margin:0;font-size:27px;line-height:1.4}
.page-features .article section>p,
.page-features .article section>h3,
.page-features .article section>ol,
.page-features .article section>ul,
.page-features .article section>.note{grid-column:2;margin-top:0}
.page-features .article section>p,
.page-features .article section>h3,
.page-features .article section>ol,
.page-features .article section>ul,
.page-features .article section>.note{grid-row:auto}
.page-features .article section>p:first-of-type{font-size:15px}
.page-features .article section h3{margin:8px 0 0;font-size:18px}
.page-features .article section p{margin-bottom:8px}
.page-features .article .note{margin-top:8px}
.page-features .article-cta{margin-top:32px}
@media(max-width:760px){
  .page-features .page-hero{padding:48px 0 42px}
  .page-features .page-hero h1{font-size:34px}
  .page-features .article-layout{width:min(100% - 28px,520px);padding-top:24px}
  .page-features .toc{margin-bottom:24px}
  .page-features .article section,.page-features .article section:nth-child(even){display:block;margin-bottom:14px;padding:68px 22px 26px}
  .page-features .article section::before{left:22px;top:18px;font-size:28px}
  .page-features .article section h2{margin-bottom:18px;font-size:25px}
}

/* SaaS documentation layout */
.page-features,.page-guide,.page-about,.page-privacy{background:#f4f8fc;color:#18324f}
.page-features .page-hero,.page-guide .page-hero,.page-about .page-hero,.page-privacy .page-hero{min-height:0;padding:42px 0 34px;background:#fff;border-bottom:1px solid #d9e4ef}
.page-features .page-hero .wrap,.page-guide .page-hero .wrap,.page-about .page-hero .wrap,.page-privacy .page-hero .wrap{width:min(1180px,calc(100% - 48px));display:block}
.page-features .breadcrumbs,.page-guide .breadcrumbs,.page-about .breadcrumbs,.page-privacy .breadcrumbs{margin:0 0 12px;color:#6b8198;font-size:12px}
.page-features .breadcrumbs a,.page-guide .breadcrumbs a,.page-about .breadcrumbs a,.page-privacy .breadcrumbs a{color:#2563a9}
.page-features .page-hero h1,.page-guide .page-hero h1,.page-about .page-hero h1,.page-privacy .page-hero h1{max-width:900px;margin:0;color:#173b63;font-size:38px;line-height:1.25}
.page-features .page-hero p,.page-guide .page-hero p,.page-about .page-hero p,.page-privacy .page-hero p{max-width:760px;margin:10px 0 0;color:#5b7188;font-size:15px;line-height:1.7}

.page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(1180px,calc(100% - 48px));display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start;padding:30px 0 72px}
.page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{position:sticky;top:92px;display:grid;grid-template-columns:1fr;gap:2px;margin:0;padding:10px;border:1px solid #d8e4ef;border-radius:6px;background:#fff;box-shadow:0 4px 14px rgba(40,74,110,.05)}
.page-features .toc::before,.page-guide .toc::before,.page-about .toc::before,.page-privacy .toc::before{content:"本页目录";display:block;padding:8px 10px 10px;color:#173b63;font-size:12px;font-weight:900}
.page-features .toc a,.page-guide .toc a,.page-about .toc a,.page-privacy .toc a{padding:9px 10px;border:0;border-radius:4px;background:transparent;color:#557089;font-size:12px;line-height:1.4;text-align:left;transition:background .15s,color .15s}
.page-features .toc a:hover,.page-guide .toc a:hover,.page-about .toc a:hover,.page-privacy .toc a:hover{padding-left:10px;background:#edf5fd;color:#185d9d}

.page-features .article,.page-guide .article,.page-about .article,.page-privacy .article{max-width:none;padding:34px 42px;border:1px solid #d8e4ef;border-radius:6px;background:#fff;box-shadow:0 4px 14px rgba(40,74,110,.05)}
.page-features .article section,.page-features .article section:nth-child(even),.page-guide .article section,.page-about .article section,.page-about .article section:nth-child(3),.page-privacy .article section,.page-privacy .article section:nth-child(even){display:block;min-height:0;margin:0;padding:0 0 34px;border:0;border-bottom:1px solid #e1eaf3;background:transparent}
.page-features .article section:not(:first-child),.page-guide .article section:not(:first-child),.page-about .article section:not(:first-child),.page-privacy .article section:not(:first-child){margin-top:34px}
.page-features .article section:last-of-type,.page-guide .article section:last-of-type,.page-about .article section:last-of-type,.page-privacy .article section:last-of-type{padding-bottom:0;border-bottom:0}
.page-features .article section::before,.page-guide .article section::before,.page-privacy .article section::before{position:static;display:inline-flex;width:auto;height:auto;margin:0 0 10px;padding:3px 8px;border:0;border-radius:3px;background:#fff3b5;color:#7c5d00;font-size:10px;font-weight:900;line-height:1.5}
.page-about .article section::before{content:none}
.page-features .article section h2,.page-guide .article section h2,.page-about .article section h2,.page-privacy .article section h2{margin:0 0 12px;color:#173b63;font-size:25px;line-height:1.4}
.page-features .article section h3,.page-guide .article section h3,.page-about .article section h3,.page-privacy .article section h3{margin:24px 0 7px;color:#2563a9;font-size:17px}
.page-features .article section p,.page-guide .article section p,.page-about .article section p,.page-privacy .article section p,.page-features .article section>p:first-of-type{margin:0 0 12px;color:#4f6982;font-size:14px;line-height:1.85}
.page-features .article section ol,.page-guide .article section ol,.page-about .article section ol,.page-privacy .article section ol,.page-features .article section ul,.page-guide .article section ul,.page-about .article section ul,.page-privacy .article section ul{color:#4f6982;font-size:14px;line-height:1.8}
.page-features .note,.page-guide .note,.page-about .note,.page-privacy .note{margin:18px 0 0;padding:15px 18px;border:1px solid #efd56c;border-left:4px solid #e6b900;border-radius:4px;background:#fffbea;color:#526980}
.page-features .article-cta,.page-guide .article-cta,.page-about .article-cta,.page-privacy .article-cta{margin:30px 0 0;padding:24px 26px;border:1px solid #c8ddf2;border-radius:6px;background:#edf6ff;color:#173b63}
.page-features .article-cta h2,.page-guide .article-cta h2,.page-about .article-cta h2,.page-privacy .article-cta h2{font-size:21px}
.page-features .article-cta p,.page-guide .article-cta p,.page-about .article-cta p,.page-privacy .article-cta p{color:#5b7188;font-size:13px}
.page-features .article-cta .primary,.page-guide .article-cta .primary,.page-about .article-cta .primary{background:#1769aa;color:#fff;box-shadow:none}
.page-privacy .article-cta .secondary{background:#fff;border-color:#73a2cc;color:#185d9d}

@media(max-width:760px){
  .page-features .page-hero,.page-guide .page-hero,.page-about .page-hero,.page-privacy .page-hero{padding:32px 0 28px}
  .page-features .page-hero .wrap,.page-guide .page-hero .wrap,.page-about .page-hero .wrap,.page-privacy .page-hero .wrap{width:min(100% - 28px,520px)}
  .page-features .page-hero h1,.page-guide .page-hero h1,.page-about .page-hero h1,.page-privacy .page-hero h1{font-size:29px}
  .page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(100% - 28px,520px);grid-template-columns:1fr;gap:16px;padding:20px 0 52px}
  .page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{position:static;display:flex;gap:6px;overflow-x:auto;padding:8px}
  .page-features .toc::before,.page-guide .toc::before,.page-about .toc::before,.page-privacy .toc::before{display:none}
  .page-features .toc a,.page-guide .toc a,.page-about .toc a,.page-privacy .toc a{flex:0 0 auto;padding:8px 11px;border:1px solid #c7dceb;background:#fff}
  .page-features .article,.page-guide .article,.page-about .article,.page-privacy .article{padding:24px 20px}
  .page-features .article section h2,.page-guide .article section h2,.page-about .article section h2,.page-privacy .article section h2{font-size:22px}
  .page-features .article-cta,.page-guide .article-cta,.page-about .article-cta,.page-privacy .article-cta{padding:20px}
}

/* Distinct SaaS subpage patterns */
/* Features: capability matrix */
.page-features .article{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:0;border:0;background:transparent;box-shadow:none}
.page-features .article section,.page-features .article section:nth-child(even),.page-features .article section:not(:first-child){min-height:230px;margin:0;padding:26px 28px;border:1px solid #d8e4ef;border-radius:6px;background:#fff;box-shadow:0 4px 14px rgba(40,74,110,.04)}
.page-features .article section:first-child{grid-column:1/-1;min-height:0;background:#edf6ff;border-color:#c8ddf2}
.page-features .article section h2{font-size:22px}
.page-features .article-cta{grid-column:1/-1;margin-top:0}

/* Guide: sequential workflow */
.page-guide .article{padding:0;border:0;background:transparent;box-shadow:none;counter-reset:section}
.page-guide .article section,.page-guide .article section:not(:first-child){position:relative;margin:0 0 16px;padding:28px 30px 28px 78px;border:1px solid #d8e4ef;border-radius:6px;background:#fff;box-shadow:0 4px 14px rgba(40,74,110,.04)}
.page-guide .article section::before{position:absolute;left:24px;top:25px;width:31px;height:31px;display:grid;place-items:center;margin:0;padding:0;border-radius:50%;background:#ffd84d;color:#173b63}
.page-guide .article-cta{margin-top:8px}

/* About: open editorial split */
.page-about .article-layout{width:min(1040px,calc(100% - 48px));display:block;padding-top:30px}
.page-about .toc{position:static;display:flex;gap:24px;margin:0 0 20px;padding:0 0 14px;border:0;border-bottom:1px solid #c7dff2;border-radius:0;background:transparent;box-shadow:none}
.page-about .toc::before{content:none}
.page-about .toc a{padding:5px 0;border:0;border-radius:0;background:transparent}
.page-about .article{padding:0;border:0;background:transparent;box-shadow:none}
.page-about .article section,.page-about .article section:nth-child(3),.page-about .article section:not(:first-child){display:grid;grid-template-columns:230px minmax(0,1fr);gap:16px 54px;margin:0;padding:42px 0;border:0;border-bottom:1px solid #c7dff2;background:transparent}
.page-about .article section h2{grid-column:1;grid-row:1 / span 12;margin:0;font-size:27px}
.page-about .article section>p,.page-about .article section>h3,.page-about .article section>ul,.page-about .article section>ol{grid-column:2}
.page-about .article section h3{margin-top:10px}
.page-about .article-cta{margin-top:28px}

/* Privacy: policy register */
.page-privacy .article-layout{grid-template-columns:260px minmax(0,1fr)}
.page-privacy .toc{grid-template-columns:repeat(2,1fr)}
.page-privacy .toc::before{grid-column:1/-1}
.page-privacy .article{padding:0;border:0;background:transparent;box-shadow:none;counter-reset:section}
.page-privacy .article section,.page-privacy .article section:nth-child(even),.page-privacy .article section:not(:first-child){position:relative;margin:0 0 12px;padding:28px 30px 28px 118px;border:1px solid #d8e4ef;border-radius:6px;background:#fff;box-shadow:0 4px 14px rgba(40,74,110,.04)}
.page-privacy .article section::before{position:absolute;left:28px;top:31px;width:64px;display:block;margin:0;padding:5px 7px;text-align:center}
.page-privacy .article section h2{font-size:22px}
.page-privacy .article-cta{margin-top:18px}

@media(max-width:760px){
  .page-features .article{grid-template-columns:1fr}
  .page-features .article section:first-child{grid-column:auto}
  .page-features .article section,.page-features .article section:nth-child(even),.page-features .article section:not(:first-child){min-height:0;padding:24px 20px}
  .page-features .article-cta{grid-column:auto}
  .page-guide .article section,.page-guide .article section:not(:first-child){padding:68px 20px 24px}
  .page-guide .article section::before{left:20px;top:20px}
  .page-about .article-layout{width:min(100% - 28px,520px)}
  .page-about .toc{overflow-x:auto;gap:18px}
  .page-about .toc a{flex:0 0 auto}
  .page-about .article section,.page-about .article section:nth-child(3),.page-about .article section:not(:first-child){display:block;padding:32px 0}
  .page-about .article section h2{margin-bottom:18px}
  .page-privacy .article-layout{grid-template-columns:1fr}
  .page-privacy .toc{display:flex;grid-template-columns:none}
  .page-privacy .article section,.page-privacy .article section:nth-child(even),.page-privacy .article section:not(:first-child){padding:68px 20px 24px}
  .page-privacy .article section::before{left:20px;top:20px}
}

/* Full-width SaaS subpages: no sidebar shell */
.page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(1120px,calc(100% - 48px));display:block;padding:26px 0 72px}
.page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{position:static;display:flex;grid-template-columns:none;gap:8px;margin:0 0 22px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;overflow-x:auto}
.page-features .toc::before,.page-guide .toc::before,.page-about .toc::before,.page-privacy .toc::before{content:none;display:none}
.page-features .toc a,.page-guide .toc a,.page-about .toc a,.page-privacy .toc a{flex:0 0 auto;padding:8px 13px;border:1px solid #c6dbea;border-radius:4px;background:#fff;color:#43627e}
.page-features .toc a:hover,.page-guide .toc a:hover,.page-about .toc a:hover,.page-privacy .toc a:hover{padding-left:13px;background:#edf6ff;color:#185d9d}

.page-features .article{grid-template-columns:repeat(2,minmax(0,1fr))}
.page-guide .article{width:min(880px,100%);margin-inline:auto}
.page-about .article{width:min(920px,100%);margin-inline:auto}
.page-about .article section,.page-about .article section:nth-child(3),.page-about .article section:not(:first-child){display:block;padding:36px 0}
.page-about .article section h2{display:block;margin:0 0 14px;font-size:27px}
.page-about .article section>p,.page-about .article section>h3,.page-about .article section>ul,.page-about .article section>ol{display:block}
.page-privacy .article{width:min(940px,100%);margin-inline:auto}

@media(max-width:760px){
  .page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(100% - 28px,520px);padding:18px 0 52px}
  .page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{margin-bottom:14px}
  .page-features .article{grid-template-columns:1fr}
}

/* Stronger SaaS hierarchy */
.page-features .page-hero,.page-guide .page-hero,.page-about .page-hero,.page-privacy .page-hero{position:relative;border-bottom:0;box-shadow:inset 0 -5px 0 #ffd84d}
.page-features .page-hero h1,.page-guide .page-hero h1,.page-about .page-hero h1,.page-privacy .page-hero h1{padding-left:18px;border-left:5px solid #f2bd16}
.page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{padding:10px;border:1px solid #d2e1ee;border-radius:6px;background:#fff;box-shadow:0 4px 12px rgba(40,74,110,.04)}
.page-features .toc{justify-content:flex-start}
.page-features .toc a,.page-guide .toc a,.page-about .toc a,.page-privacy .toc a{border-color:transparent;background:#f4f8fc;font-weight:700}

.page-features .article section,.page-features .article section:nth-child(even),.page-features .article section:not(:first-child){position:relative;overflow:hidden;border-top:4px solid #75afe0}
.page-features .article section:first-child{padding:32px 34px;border-top-color:#f2bd16;background:#dff0ff}
.page-features .article section:first-child h2{font-size:27px}
.page-features .article section:not(:first-child)::after{content:"";position:absolute;right:-30px;bottom:-30px;width:86px;height:86px;border-radius:50%;background:#edf6ff}
.page-features .article section h2,.page-features .article section p,.page-features .article section h3{position:relative;z-index:1}

.page-guide .article section,.page-guide .article section:not(:first-child){border-left:5px solid #75afe0;box-shadow:none}
.page-guide .article #before{background:#f7fbff}
.page-guide .article #download{border-left-color:#e5b400;background:#fffbea}
.page-guide .article #first{background:#edf6ff}
.page-guide .article #problem{border-left-color:#4f91c7}
.page-guide .article #safe{border-left-color:#e5b400;background:#fffdf4}
.page-guide .article section h2{padding-bottom:12px;border-bottom:1px solid #dce8f2}

.page-about .article{width:min(980px,100%)}
.page-about .article section,.page-about .article section:nth-child(3),.page-about .article section:not(:first-child){margin:0 0 16px;padding:34px 38px;border:1px solid #d8e4ef;border-radius:6px;background:#fff}
.page-about .article #what{background:#dff0ff;border-color:#bfdcf3}
.page-about .article #principle{background:#fff8cf;border-color:#ead675}
.page-about .article #website{border-left:5px solid #75afe0}
.page-about .article #future{border-left:5px solid #f2bd16}
.page-about .article section h2{padding-bottom:12px;border-bottom:1px solid rgba(83,123,160,.22)}

.page-features .article-cta,.page-guide .article-cta,.page-about .article-cta,.page-privacy .article-cta{border-left:5px solid #1769aa;background:#e4f2ff}

@media(max-width:760px){
  .page-features .page-hero h1,.page-guide .page-hero h1,.page-about .page-hero h1,.page-privacy .page-hero h1{padding-left:13px;border-left-width:4px}
  .page-features .toc,.page-guide .toc,.page-about .toc,.page-privacy .toc{padding:8px}
  .page-features .article section:first-child{padding:26px 22px}
  .page-about .article section,.page-about .article section:nth-child(3),.page-about .article section:not(:first-child){padding:26px 22px}
}

/* Shared content axis across homepage and subpages */
.page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(1180px,calc(100% - 48px))}
.page-features .article,.page-guide .article,.page-about .article,.page-privacy .article{width:100%;max-width:none;margin-inline:0}
@media(max-width:760px){
  .page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:min(100% - 28px,520px)}
}

/* Tablet portrait layout */
@media(min-width:761px) and (max-width:1024px){
  :root{--title-h1:46px;--title-h2:32px;--title-h3:19px}
  .wrap,.nav-wrap{width:calc(100% - 40px)}
  .nav-wrap{height:66px;gap:14px}
  .brand{font-size:16px}.brand img{width:36px;height:36px}
  .site-header nav{display:none}
  .mobile-menu{position:relative;display:block;margin-left:auto}
  .mobile-menu summary{position:relative;width:40px;height:40px;border:1px solid #8fbae0;border-radius:6px;background:#fff;cursor:pointer;list-style:none}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu summary span,.mobile-menu summary::before,.mobile-menu summary::after{position:absolute;left:11px;width:16px;height:2px;border-radius:2px;background:#1769aa;content:"";transition:transform .15s,opacity .15s}
  .mobile-menu summary::before{top:12px}.mobile-menu summary span{top:18px}.mobile-menu summary::after{top:24px}
  .mobile-menu[open] summary::before{top:18px;transform:rotate(45deg)}
  .mobile-menu[open] summary span{opacity:0}
  .mobile-menu[open] summary::after{top:18px;transform:rotate(-45deg)}
  .mobile-menu>div{position:absolute;top:48px;right:0;width:190px;padding:7px;border:1px solid #a8cce9;border-radius:6px;background:#fff;box-shadow:0 12px 30px rgba(18,51,91,.18)}
  .mobile-menu a{display:block;padding:11px 13px;border-radius:4px;color:#315f88;font-size:13px;font-weight:700}
  .mobile-menu a:hover,.mobile-menu a.active{background:#d9efff;color:#0f5f9e}
  .nav-download{margin-left:0;min-height:40px;padding:8px 18px}

  .hero{height:470px;aspect-ratio:auto}
  .hero picture img{object-position:61% center}
  .hero-copy{top:62px;left:5%;width:55%}
  .hero h1 span{display:block;margin-top:6px;font-size:.62em}
  .hero-copy>p:not(.eyebrow){font-size:15px}
  .quick{grid-template-columns:repeat(2,1fr);gap:22px 0;padding:26px 0}
  .quick div{padding:0 24px}.quick div:nth-child(3){border-left:0}
  .section{padding:78px 0}
  .feature-cards{grid-template-columns:repeat(2,1fr);gap:16px}
  .feature-cards article{min-height:230px;padding:28px}
  .feature-cards article:last-child{grid-column:1/-1;min-height:190px}
  .feature-cards h3{margin-top:38px}
  .capability-grid{gap:12px}.capability-grid article{grid-template-columns:50px 1fr;padding:22px;gap:16px}
  .capability-grid svg{width:46px;height:46px;padding:9px}
  .scenes{grid-template-columns:1fr;gap:38px}
  .official-grid{grid-template-columns:1fr;gap:38px}
  .download-grid{grid-template-columns:1fr;gap:42px}
  .download-grid picture{height:auto;aspect-ratio:16/9}

  .page-features .article-layout,.page-guide .article-layout,.page-about .article-layout,.page-privacy .article-layout{width:calc(100% - 40px);padding:24px 0 64px}
  .page-features .page-hero .wrap,.page-guide .page-hero .wrap,.page-about .page-hero .wrap,.page-privacy .page-hero .wrap{width:calc(100% - 40px)}
  .page-features .article{grid-template-columns:1fr 1fr;gap:14px}
  .page-features .article section:first-child{grid-column:1/-1}
  .page-guide .article section,.page-guide .article section:not(:first-child){padding-right:26px}
  .footer-grid{gap:28px}
}

/* Critical first-paint colors: prevent a dark flash before the full theme resolves. */
html,body{background:#eef7ff;color:#12335b}