:root{--background:#F4F7FB;--paper:#FFF;--surface:#FFF;--surface-soft:#EBF1F9;--navy:#182641;--navy-deep:#101B32;--navy-light:#304564;--blue:#2456C8;--blue-deep:#173E96;--blue-soft:#E7EEFC;--lime:#C6E875;--lime-soft:#EFF7D7;--lime-deep:#4B6530;--ice:#BFE6F0;--ice-soft:#EDF8FB;--ice-deep:#246E83;--violet:#756DAB;--violet-soft:#F0EEFA;--orange:#BA6035;--orange-soft:#FFF0E6;--title:#1C2A41;--body:#46546A;--muted:#65748A;--border:#DEE5EF;--divider:#E9EEF5;--shadow:0 16px 48px rgba(24,38,65,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--background);font:16px/1.7 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--body)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}img{max-width:100%;display:block}h1,h2,h3,h4,p{margin:0}h1,h2,h3{line-height:1.24;color:var(--title);letter-spacing:-.025em}h1{font-size:clamp(30px,4vw,52px)}h2{font-size:clamp(25px,2.8vw,34px)}h3{font-size:19px}p{margin:12px 0 0}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #6B7DDF;outline-offset:3px}.wrap{max-width:1320px;padding-left:32px;padding-right:32px;margin:0 auto}.section{padding-top:94px;padding-bottom:94px}.section-ice{background:#EAF3F8}.section-soft{background:#E9EDF4}.section-dark{background:var(--navy-deep);color:#D7E3F3}.section-dark h2,.section-dark h3{color:#FFF}.eyebrow{font-size:12px;letter-spacing:.19em;font-weight:850;color:var(--blue-deep);text-transform:uppercase}.section-dark .eyebrow,.end-cta .eyebrow{color:var(--lime)}.section-heading{max-width:730px;margin-bottom:36px}.section-heading h2{margin-top:12px}.section-heading p{font-size:17px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;padding:12px 22px;min-height:46px;border-radius:12px;font-weight:740;font-size:14px;transition:background .2s,transform 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var(--border);border-radius:24px}.path-diagram>div{display:flex;flex-direction:column;gap:5px}.path-diagram small{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:.12em}.path-diagram b{font-size:20px;color:var(--navy)}.path-diagram span{font-size:13px}.path-diagram i{font-style:normal;font-size:22px;color:#8195B5}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.category-card{display:flex;flex-direction:column;min-height:224px;padding:24px;border-radius:18px;background:#FFF;border:1px solid #DDE7EE;transition:transform .2s,box-shadow .2s}.category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.cat-2{background:#EAF1FD}.cat-3{background:#F0EEFA}.cat-4{background:#F0F6E1}.cat-top{display:flex;justify-content:space-between;align-items:center}.cat-icon{font-size:33px}.cat-top small{color:#64738C;font-weight:700}.category-card h3{margin-top:14px}.category-card 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p{font-size:14px;margin-top:6px}.mock-lines{height:58px;margin-top:20px;background:repeating-linear-gradient(to bottom,#D9E4F0 0 5px,transparent 5px 17px)}.reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.reading-excerpt{background:#F4F7FB;padding:38px;border-radius:22px;color:#495772}.reading-excerpt h3{color:var(--navy);margin-top:14px;font-size:25px}.reading-excerpt p{font-size:15px;line-height:2}.reading-excerpt small{font-weight:700;color:var(--blue)}.feature-media .media-box{min-height:340px}.mini-pills{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.mini-pills span{border:1px solid var(--border);background:#FFF;padding:7px 12px;border-radius:99px;font-size:13px}.privacy-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:8%;align-items:center}.privacy-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.privacy-tiles>div{background:#FFF;border:1px solid var(--border);border-radius:16px;min-height:180px;padding:19px}.privacy-tiles span{color:var(--blue);font-weight:800}.privacy-tiles b{display:block;color:var(--navy);margin-top:27px}.privacy-tiles p{font-size:12px;margin-top:4px}.platform-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.platform-strip div{padding:28px 22px;background:#FFF;border:1px solid var(--border);border-radius:16px}.platform-strip b,.platform-strip span{display:block}.platform-strip b{color:var(--navy);font-size:20px}.platform-strip span{margin-top:8px;font-size:13px}.subtle{font-size:13px;color:var(--muted);margin-top:16px}.shortcuts-grid{display:grid;grid-template-columns:1fr 1fr;gap:8%}.key-cards{display:grid;gap:12px}.key-cards>div{display:flex;align-items:center;gap:8px;background:#FFF;border-radius:12px;padding:14px}.key-cards span{margin-left:auto;font-size:13px}kbd{border:1px solid #B3C6DC;border-bottom-width:3px;border-radius:6px;background:#F3F7FA;color:var(--navy);padding:4px 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0;padding:23px 26px;background:#F5F8FB;border-radius:10px;max-width:70%;font-size:17px;line-height:1.9}.demo-reading h3{font-size:1.35em}.security-aside{font-size:14px}.security-banner{border-radius:19px;padding:36px;background:var(--navy);color:#FFF}.security-banner b{font-size:23px}.security-banner p{color:#D7E3F3}.security-topic{scroll-margin-top:100px;display:grid;grid-template-columns:42px 1fr;gap:23px;padding:33px 10px;border-bottom:1px solid var(--border)}.topic-index{font-weight:800;color:var(--blue)}.security-topic details{margin-top:15px}.security-topic summary{font-weight:700;color:var(--blue);cursor:pointer}.security-topic details p{background:#FFF;padding:20px;border-radius:10px}.workspace-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding-bottom:100px}.workspace-panel{background:#FFF;padding:30px;border:1px solid var(--border);border-radius:20px;min-width:0}.panel-title h2{margin-top:9px}.panel-title p{font-size:14px}.form-stack{display:grid;gap:13px;margin:25px 0}.form-stack label,.search-label{display:grid;gap:6px;font-size:13px;color:var(--navy);font-weight:700}.form-stack input,.form-stack textarea,.form-stack select,.search-label input,.form-inline input,.help-search input{display:block;width:100%;border:1px solid #BBCBDD;border-radius:9px;background:#FAFCFE;color:#25344E;padding:11px 13px;min-height:44px;font-size:15px}.form-stack textarea{resize:vertical}.search-label{margin:24px 0 15px}.record-list{display:grid;gap:10px}.record-item{border:1px solid var(--border);border-radius:10px;background:#F6F9FC;padding:13px;min-width:0;overflow-wrap:anywhere}.record-item b{color:var(--navy);display:block}.record-item p{font-size:14px;white-space:pre-wrap}.record-item small{font-size:12px;color:var(--muted)}.record-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.record-actions button,.record-actions a{background:#E7EEFA;color:#143F8B;border:0;border-radius:7px;padding:7px 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var(--border);border-radius:20px;font-size:13px}.download-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,1fr);gap:22px}.download-primary,.download-sidebar{background:#FFF;border:1px solid var(--border);border-radius:20px;padding:32px}.download-head h2{margin:10px 0}.platform-switch{display:flex;flex-wrap:wrap;gap:7px;margin:28px 0}.download-state{background:#F2F6FB;border-radius:14px;padding:27px;min-height:180px}.download-state h3{margin:5px 0}.download-notice{margin-top:17px;padding:12px 16px;background:#FFF0E6;border-radius:9px;font-size:13px}.download-noscript{margin-top:12px;border-top:1px solid var(--border);padding:10px 0;font-size:13px}.download-sidebar ol{padding-left:23px}.download-sidebar li{margin-bottom:13px}.download-info-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.download-info-row>div{padding:25px;background:#FFF;border:1px solid var(--border);border-radius:16px}.download-info-row h2{font-size:23px;margin-top:10px}.download-info-row a{color:var(--blue)}.help-search{display:block;max-width:640px;margin-top:30px}.help-search input{padding:16px 20px;border-radius:15px;font-size:17px}.help-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:35px;padding-bottom:100px}.help-categories{align-self:start;position:sticky;top:100px;display:grid;gap:6px}.help-categories h2{font-size:18px;margin-bottom:15px}.help-categories button{display:flex;justify-content:space-between;gap:12px;text-align:left;background:none;border:0;padding:11px 14px;border-radius:9px;color:var(--body);font-size:14px}.help-categories button.active,.help-categories button:hover{background:#DDE8FA;color:var(--blue-deep)}.help-items{min-width:0}.help-item{margin:10px 0;background:#FFF;border:1px solid var(--border);border-radius:13px;scroll-margin-top:95px}.help-item summary{padding:19px 22px;cursor:pointer;display:flex;align-items:center;gap:17px;list-style:none}.help-item summary::-webkit-details-marker{display:none}.help-item strong{flex:1;color:var(--navy)}.help-cat-tag{font-size:11px;color:var(--blue);background:var(--blue-soft);padding:5px 8px;border-radius:8px;white-space:nowrap}.help-chevron{font-size:23px;color:var(--blue)}.help-item[open] .help-chevron{transform:rotate(180deg)}.help-answer{border-top:1px solid var(--border);padding:25px}.help-answer h3{margin:16px 0 10px}.help-answer ol{padding-left:22px}.help-answer li{margin:9px 0}.help-note{background:#FFF5EB;padding:14px;border-radius:10px}.help-related{border-top:1px solid var(--border);margin-top:24px;padding-top:15px;display:flex;gap:12px;flex-wrap:wrap;font-size:13px}.help-related a,.copy-anchor{color:var(--blue);font-size:13px}.copy-anchor{border:0;background:none;padding:0;text-decoration:underline}.back-top{display:inline-block;margin-top:30px;color:var(--blue)}.about-intro,.about-two{display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:center}.about-intro p{font-size:18px}.about-category-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.about-category-flow a{display:flex;align-items:center;gap:10px;background:#FFF;padding:20px;border-radius:14px}.about-category-flow a span{font-size:25px}.about-category-flow b{color:var(--navy)}.about-category-flow small{margin-left:auto;color:var(--muted)}.about-two .media-box{min-height:345px}.about-facts{display:grid;gap:15px}.about-facts div{background:#FFF;border-radius:13px;padding:23px;display:flex;justify-content:space-between;gap:10px}.about-facts b{color:var(--navy)}.release-entry{padding:14px 0;border-bottom:1px solid var(--border)}.release-entry span{margin-left:10px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body.dark-theme{--background:#101B32;--paper:#182641;--surface:#22314C;--title:#F1F5FA;--body:#D5E1F1;--muted:#B2BFD1;--border:#455875;--blue-soft:#2B4269;--surface-soft:#293954;--navy:#D9E7F6;--navy-deep:#0B1324;background:var(--background)}body.dark-theme .global-header{background:#1C2A41}body.dark-theme .global-header a,body.dark-theme .brand{color:#F0F5FD}body.dark-theme .category-card,body.dark-theme .workspace-panel,body.dark-theme .feature-section,body.dark-theme .download-primary,body.dark-theme .download-sidebar,body.dark-theme .help-item,body.dark-theme .security-topic details p,body.dark-theme .about-facts div{background:#253650;color:#D5E1F1}body.dark-theme .section-ice,body.dark-theme .section-soft{background:#192842}body.dark-theme .category-card h3,body.dark-theme .feature-section h2,body.dark-theme .feature-section h3,body.dark-theme .workspace-panel h2,body.dark-theme .help-item strong,body.dark-theme .about-facts b{color:#FFF}body.dark-theme .btn-outline{color:#FFF}body.dark-theme .path-diagram,body.dark-theme .demo-panel{background:#253650}body.dark-theme .path-diagram b{color:#FFF}
@media(max-width:1100px){.desktop-nav{gap:12px}.desktop-nav a{font-size:12px}.hero{gap:20px}.feature-cols{grid-template-columns:1fr .8fr}.privacy-tiles{grid-template-columns:1fr}.privacy-tiles>div{min-height:unset}.privacy-tiles b{margin-top:7px}}
@media(max-width:900px){.wrap{padding-left:24px;padding-right:24px}.desktop-nav,.help-action,.desktop-download{display:none}.menu-toggle{display:block}.menu-shade{display:block;position:fixed;inset:72px 0 0;background:rgba(11,20,37,.55)}.menu-shade[hidden],.mobile-menu[hidden]{display:none}.mobile-menu{display:flex;flex-direction:column;position:fixed;right:0;top:72px;bottom:0;width:min(340px,85vw);padding:20px;background:#FFF;box-shadow:var(--shadow);overflow:auto}.mobile-menu a{padding:13px;border-bottom:1px solid var(--border);color:#182641}.hero{grid-template-columns:1fr}.hero-visual{min-height:300px}.hero-image{height:320px}.hero h1{max-width:850px}.category-grid,.about-category-flow{grid-template-columns:repeat(2,1fr)}.path-diagram{grid-template-columns:1fr;gap:10px}.path-diagram i{transform:rotate(90deg);justify-self:center}.feature-layout,.security-layout,.help-layout{grid-template-columns:1fr}.feature-sidebar,.security-aside,.help-categories{position:static;display:flex;flex-direction:row;overflow:auto;white-space:nowrap;padding-bottom:10px;max-height:none}.feature-sidebar strong,.help-categories h2{display:none}.help-categories button{flex-shrink:0}.split-feature,.split-feature.reverse,.reading-grid,.privacy-grid,.shortcuts-grid,.about-two,.about-intro{grid-template-columns:1fr;gap:34px}.download-layout{grid-template-columns:1fr}.footer-grid{gap:30px}.end-cta .cta-orbit{display:none}}
@media(max-width:600px){.wrap{padding-left:16px;padding-right:16px}.section{padding-top:63px;padding-bottom:63px}.page-hero{padding-top:46px;padding-bottom:35px}.hero{padding-top:44px;padding-bottom:45px}.hero-visual{min-height:235px}.hero-image{height:235px}.floating-tab{left:0;right:5px;padding:10px;font-size:10px}.category-grid{gap:9px}.category-card{padding:15px;min-height:205px}.cat-icon{font-size:26px}.category-card h3{font-size:17px}.category-card p{font-size:13px}.workspace-grid,.faq-preview,.download-info-row,.about-category-flow{grid-template-columns:1fr}.feature-section{padding:19px}.feature-cols{grid-template-columns:1fr}.feature-cols .media-box{min-height:210px}.feature-top{align-items:start}.demo-reading{max-width:100%;padding:15px}.privacy-tiles{grid-template-columns:1fr}.platform-strip{grid-template-columns:1fr 1fr}.platform-strip div{padding:16px}.window-stack{height:280px}.window{height:225px}.key-cards>div{flex-wrap:wrap}.key-cards span{width:100%;margin-left:0}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}.global-footer{padding-bottom:100px}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:90;background:#FFF;box-shadow:0 -2px 14px #1c2c411c;justify-content:space-around;padding:6px 10px max(6px,env(safe-area-inset-bottom))}.mobile-bottom a{display:flex;align-items:center;flex-direction:column;font-weight:800;font-size:20px;color:#234269;min-width:44px;min-height:44px}.mobile-bottom small{font-size:11px}.help-item summary{padding:15px;gap:8px;flex-wrap:wrap}.help-cat-tag{font-size:10px}.help-item strong{flex-basis:70%}.workspace-panel,.download-primary,.download-sidebar{padding:20px}.form-inline{flex-wrap:wrap}.end-cta{border-radius:0;margin-bottom:45px}.about-facts div{flex-direction:column}.security-topic{gap:10px}.path-diagram{padding:18px}}
@media(max-width:360px){.brand{font-size:19px}.category-card{padding:12px}.btn-row .btn{flex:1}.hero-metadata{gap:8px}.platform-switch{gap:4px}.platform-button{padding:8px 9px;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.brand-logo{width:94px;height:32px;object-fit:contain}.feature-extra{margin-top:22px;border-top:1px solid var(--border);padding-top:22px}.feature-extra h3{margin-bottom:13px}.feature-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.feature-extra .media-box{min-height:175px;border-radius:13px}.scene-gallery{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:25px}.scene-gallery>div{min-width:0}.scene-gallery .media-box{min-height:145px;border-radius:13px}.scene-gallery b{display:block;margin-top:10px;color:var(--title);font-size:14px}.security-illustration{margin-top:20px}.security-illustration .media-box{min-height:220px}@media(max-width:900px){.scene-gallery{grid-template-columns:repeat(3,1fr)}}@media(max-width:600px){.scene-gallery{grid-template-columns:repeat(2,1fr)}.feature-pair{grid-template-columns:1fr}}