@charset "UTF-8";
: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;--ice:#BFE6F0;--ice-soft:#EDF8FB;--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:90px}body{margin:0;background:var(--background);color:var(--body);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}button,input,textarea{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--title);line-height:1.24;letter-spacing:-.025em}h1{font-size:clamp(30px,4.5vw,52px)}h2{font-size:clamp(25px,3vw,30px)}h3{font-size:21px}p{margin-bottom:1.1em}.shell{max-width:1320px;margin:auto;padding-left:32px;padding-right:32px}.skip{position:absolute;top:-100px;z-index:200}.skip:focus{top:0;background:white;padding:10px}.site-header{height:72px;position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--divider);backdrop-filter:blur(10px)}.nav-shell{height:100%;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--navy);white-space:nowrap;line-height:1.12}.brand small{font-size:10px;letter-spacing:.18em;display:block;color:var(--muted);font-weight:600}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--navy);color:var(--lime);font-size:29px}.main-nav{display:flex;align-items:center;gap:22px;margin:auto}.main-nav a{font-size:14px;font-weight:650;white-space:nowrap}.main-nav a[aria-current]{color:var(--blue)}.nav-actions{display:flex;gap:14px;align-items:center}.nav-help{font-size:14px}.menu-toggle{display:none;background:transparent;border:0;font-size:25px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--blue);background:var(--blue);border-radius:12px;color:#fff;padding:12px 20px;font-weight:700;line-height:1.4;min-height:46px;transition:transform .15s,background .15s}.btn:hover{color:white;background:var(--blue-deep);transform:translateY(-2px)}.btn-small{padding:9px 14px;min-height:39px;font-size:13px}.btn-ghost{background:transparent;color:var(--navy);border-color:var(--border)}.btn-ghost:hover{background:white;color:var(--blue)}.btn-light{background:var(--lime);color:var(--navy);border-color:var(--lime)}.btn-light:hover{color:var(--navy);background:#d5f6a0}.btn-text{background:transparent;border:0;color:var(--blue);padding-left:0}.btn-text:hover{color:var(--blue-deep);background:transparent}.btn-danger{background:#9b342d;border-color:#9b342d}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.eyebrow{color:var(--blue);font-weight:800;letter-spacing:.16em;font-size:11px;text-transform:uppercase;margin-bottom:16px}.dot{display:inline-block;width:8px;height:8px;background:#83ad29;border-radius:50%;margin-right:7px}.section{margin:94px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:25px}.section-head p{max-width:380px;margin-bottom:0}.section-head a{color:var(--blue);font-weight:700;white-space:nowrap}.hero{display:grid;grid-template-columns:45% 55%;min-height:590px;align-items:center;gap:10px;padding:60px 0}.hero-copy{z-index:2}.hero-copy h1{font-size:clamp(36px,4.2vw,58px)}.hero-copy em{font-style:normal;color:var(--blue);display:block}.hero-copy>p{font-size:17px;max-width:510px}.hero-metrics{display:flex;gap:32px;margin-top:44px}.hero-metrics span{font-size:27px;color:var(--navy);font-weight:800}.hero-metrics small{font-size:12px;color:var(--muted);display:block;font-weight:500}.hero-visual{position:relative;background:linear-gradient(145deg,#dce9fa,#d0e7e5 70%,#d9eec4);border-radius:28px;min-height:460px;padding:64px 24px 40px;overflow:hidden}.hero-visual:after{content:"";position:absolute;width:260px;height:260px;border:1px solid #ffffff88;border-radius:50%;right:-50px;top:-90px}.hero-browser{position:relative;z-index:2;background:white;box-shadow:0 25px 65px #18264133;border-radius:18px;overflow:hidden;transform:rotate(-3deg);max-width:580px;margin:auto}.browser-top{height:39px;background:var(--navy);color:white;display:flex;align-items:center;gap:5px;padding:0 14px}.browser-top i{width:8px;height:8px;background:#a2b7d1;border-radius:50%}.browser-top span{font-size:10px;letter-spacing:.12em;margin:auto;color:#c8d5e8}.browser-tabs{display:flex;gap:5px;background:#eaf0f8;padding:9px 12px 0}.browser-tabs span{font-size:11px;background:#dce5f1;padding:7px 15px;border-radius:9px 9px 0 0;white-space:nowrap}.browser-tabs .active{background:white;color:var(--blue)}.browser-body{display:grid;grid-template-columns:47px 1fr;min-height:280px}.mock-side{background:#f1f5fb;display:flex;align-items:center;flex-direction:column;gap:20px;padding:20px 0;color:var(--blue)}.mock-main{padding:24px}.mock-title{font-size:20px;font-weight:800;color:var(--navy)}.mock-search{border:1px solid var(--border);padding:10px 15px;margin:18px 0;border-radius:10px;color:var(--muted);font-size:12px}.mock-tiles{display:flex;gap:6px;flex-wrap:wrap}.mock-tiles span{background:var(--blue-soft);border-radius:6px;padding:7px;font-size:10px;color:var(--navy)}.float-label{position:absolute;bottom:18px;right:24px;color:var(--navy);font-size:12px;font-weight:800;letter-spacing:.2em}.split-section{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:center}.path-diagram{background:white;border:1px solid var(--border);border-radius:22px;padding:40px 28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center}.path-diagram span{background:var(--blue-soft);padding:14px;border-radius:12px;color:var(--navy);font-weight:700}.path-diagram i{color:var(--blue);font-style:normal}.category-track{display:flex;gap:12px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory}.category-chip{scroll-snap-align:start;min-width:190px;flex:1;display:flex;flex-direction:column;background:white;padding:21px;border-radius:16px;border:1px solid var(--border)}.category-chip:nth-child(4n+2){background:var(--lime-soft)}.category-chip:nth-child(4n+3){background:var(--ice-soft)}.category-chip:nth-child(4n+4){background:var(--violet-soft)}.category-chip span{font-size:27px}.category-chip b{color:var(--navy);font-size:17px;margin-top:19px}.category-chip small{color:var(--muted);margin-top:3px}.dark-stage{background:var(--navy);border-radius:26px;color:#d7e2f2;padding:62px;display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.dark-stage h2{color:white}.dark-stage .eyebrow{color:var(--lime)}.window-stack{display:grid;gap:14px;transform:perspective(600px) rotateY(-8deg)}.window-stack>div{padding:25px;background:#2d4569;border:1px solid #526c93;border-radius:13px;color:#fff;font-weight:800}.window-stack>div:nth-child(2){margin-left:35px;background:#39577e}.window-stack>div:nth-child(3){margin-left:70px;background:#49658b}.window-stack span{float:right;color:#c4d3e3;font-size:12px;font-weight:400}.reading-layout{display:grid;grid-template-columns:280px 1fr;gap:22px}.reading-controls,.reading-preview{background:white;border-radius:18px;border:1px solid var(--border);padding:32px}.reading-controls label{display:block;font-weight:700}.reading-controls input{width:100%;margin:20px 0}.hint,.small-muted{font-size:13px;color:var(--muted)}.reading-preview{font-size:18px;line-height:1.85;max-width:100%}.reading-preview p{max-width:670px}.half-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.feature-panel{padding:35px;border-radius:22px;overflow:hidden}.panel-lime{background:var(--lime-soft)}.panel-ice{background:var(--ice-soft)}.feature-panel .media{margin-top:24px}.device-strip{background:white;border:1px solid var(--border);padding:35px;border-radius:20px;display:flex;align-items:center;justify-content:space-between;gap:30px}.keyflow{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.keyflow>div{background:white;padding:30px;border:1px solid var(--border);border-radius:15px}.keyflow strong{display:block;color:var(--navy);margin:16px 0 7px}.keyflow p{font-size:14px;margin:0}.keyflow kbd{display:inline-flex;background:var(--navy);color:white;border-radius:7px;padding:4px 10px;font-size:13px}.faq-teasers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-teasers>a{padding:18px 22px;background:white;border:1px solid var(--border);border-radius:12px;display:flex;justify-content:space-between;gap:10px}.faq-teasers b{color:var(--blue)}.final-cta{text-align:center;background:linear-gradient(125deg,#e7effa,#e9f1d7);border-radius:26px;padding:70px 30px}.final-cta .actions{justify-content:center}.media{width:100%;min-height:130px;border-radius:13px;overflow:hidden;background:#dbe7f4}.media img{width:100%;height:100%;object-fit:contain;display:block}.media-fallback{min-height:150px;border:1px dashed #a3b8cc;background:linear-gradient(135deg,#dce8f4,#edf6e7)}.fallback-inner{height:100%;min-height:150px;display:grid;place-items:center;align-content:center;gap:5px;color:#465a76;font-size:12px;text-align:center;padding:16px}.fallback-shape{font-size:39px;color:#4f6f98}.hero-img{min-height:40px;margin-top:12px}.hero-img .fallback-inner{min-height:42px;padding:4px}.feature-panel .media{min-height:160px}.page-intro{padding:80px 0 54px;max-width:900px}.page-intro p{font-size:18px;max-width:730px}.feature-layout{display:grid;grid-template-columns:215px 1fr;gap:36px;align-items:start}.feature-sidebar{position:sticky;top:95px;border-left:2px solid var(--border);display:grid;padding:10px 0 10px 20px;gap:7px}.feature-sidebar strong{color:var(--navy);margin-bottom:10px}.feature-sidebar a{font-size:14px;padding:8px;border-radius:8px}.feature-sidebar a:hover{background:white}.feature-block{background:white;border:1px solid var(--border);border-radius:22px;padding:34px;margin-bottom:25px;scroll-margin-top:90px;display:grid;grid-template-columns:1.4fr 1fr;gap:28px}.feature-block.variant-1{background:var(--ice-soft)}.feature-block.variant-2{background:var(--lime-soft)}.feature-block.variant-3{background:var(--violet-soft)}.feature-number{grid-column:1/-1;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.2em}.feature-text .large{font-size:18px}.scenario{border-left:3px solid var(--blue);padding-left:15px;margin:23px 0}.scenario p{margin:4px 0}.feature-text ol{padding-left:22px}.feature-text li{margin:7px 0}.support-status{background:#ffffffba;border:1px solid var(--border);border-radius:9px;padding:10px;color:var(--muted);font-size:13px;margin:17px 0}.text-link{color:var(--blue);font-weight:700}.feature-picture{display:grid;gap:13px;align-content:center}.feature-picture .media{min-height:180px;aspect-ratio:16/9}.demo-zone>.media{display:inline-flex;width:21%;margin:2%;vertical-align:top}.theme-demo{display:grid;grid-template-columns:240px 1fr;gap:20px;margin:25px 0}.theme-actions{display:flex;flex-direction:column;gap:8px}.theme-actions button,.help-filters button,.platform-switch button{background:white;border:1px solid var(--border);border-radius:9px;padding:11px;color:var(--navy)}.theme-actions button[aria-pressed="true"],.platform-switch button[aria-selected="true"],.help-filters button.active{background:var(--navy);color:white}.theme-preview{border-radius:13px;padding:32px;background:white;border:1px solid var(--border)}.theme-preview b{font-size:21px}.theme-preview[data-theme="dark"]{background:var(--navy);color:white}.theme-preview[data-theme="soft"]{background:var(--ice-soft)}.notice{background:#fff6e9;border:1px solid #ead4b7;padding:18px 22px;border-radius:12px;font-size:14px;color:#67492e;margin-bottom:28px}.work-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.work-panel{background:white;border:1px solid var(--border);padding:30px;border-radius:20px;min-width:0}.work-panel:nth-child(3){grid-column:1/-1}.stacked-form,.stacked-form label{display:grid;gap:8px}.stacked-form{gap:13px}.stacked-form label,.search-label{font-size:14px;font-weight:700;color:var(--navy)}.stacked-form input,.stacked-form textarea,.search-label input,.task-form input,.help-tools input{width:100%;border:1px solid #bdcadd;border-radius:10px;min-height:44px;padding:11px 13px;color:var(--navy);background:#fff}.stacked-form textarea{min-height:110px;resize:vertical}.search-label{display:block;margin:30px 0 10px}.search-label input{display:block;margin-top:8px}.saved-list{display:grid;gap:8px}.saved-item{border:1px solid var(--border);padding:13px;border-radius:10px;display:flex;justify-content:space-between;align-items:center;gap:16px;min-width:0}.saved-item .item-main{min-width:0;overflow-wrap:anywhere}.saved-item small{display:block;color:var(--muted)}.saved-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.saved-actions button{border:1px solid var(--border);background:var(--background);border-radius:7px;padding:6px 10px;font-size:12px}.saved-actions button:hover{background:var(--blue-soft)}.saved-item.done .item-main{text-decoration:line-through;color:var(--muted)}.empty-state{padding:25px;background:var(--surface-soft);border-radius:10px;color:var(--muted)}.task-form{display:flex;gap:10px}.task-count{color:var(--muted);font-size:14px;margin:18px 0}.storage-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:30px;background:var(--orange-soft);border-radius:16px}.security-layout{display:grid;grid-template-columns:250px 1fr;gap:30px}.topic-index{align-self:start;position:sticky;top:100px;display:grid;gap:7px;border-left:2px solid var(--border);padding-left:18px}.topic-index b{margin-bottom:12px;color:var(--navy)}.topic-index a{font-size:14px}.security-topics{display:grid;gap:12px}.security-topics details{background:white;border:1px solid var(--border);border-radius:14px;padding:23px;scroll-margin-top:90px}.security-topics summary{cursor:pointer;list-style:none;display:flex;gap:15px;align-items:center}.security-topics summary::-webkit-details-marker{display:none}.security-topics summary span{color:var(--blue);font-weight:800}.security-topics summary strong{font-size:18px;color:var(--navy)}.security-topics details p{padding:18px 0 0 40px;margin:0}.security-callout{display:grid;grid-template-columns:1.4fr 1fr;gap:35px;background:var(--ice-soft);padding:40px;border-radius:20px}.download-status{display:flex;justify-content:space-between;align-items:start;padding:42px;background:var(--navy);border-radius:23px;color:white;gap:30px}.download-status h2{color:white}.download-status .eyebrow{color:var(--lime)}.download-status p{max-width:710px}.status-pill{background:var(--lime);color:var(--navy);white-space:nowrap;border-radius:30px;padding:8px 16px;font-weight:800}.platform-switch{display:flex;gap:10px;margin:30px 0 14px;overflow:auto}.platform-switch button{min-width:130px}.platform-result{background:white;border:1px solid var(--border);border-radius:16px;padding:36px}.help-tools{background:white;padding:25px;border:1px solid var(--border);border-radius:20px}.help-tools>label{font-weight:700;color:var(--navy)}.help-tools input{margin:8px 0 20px}.help-filters{display:flex;gap:8px;flex-wrap:wrap}.help-filters button{font-size:13px}.faq-list{margin:25px 0 90px;display:grid;gap:9px}.faq-entry{background:white;border-radius:12px;border:1px solid var(--border);scroll-margin-top:88px}.faq-entry summary{list-style:none;padding:19px;display:flex;gap:16px;align-items:center;cursor:pointer}.faq-entry summary::-webkit-details-marker{display:none}.faq-group{font-size:12px;color:var(--blue);background:var(--blue-soft);border-radius:7px;padding:4px 9px;white-space:nowrap}.faq-entry summary strong{color:var(--navy);flex:1}.faq-entry .plus{font-size:22px;color:var(--blue)}.faq-entry[open] .plus{transform:rotate(45deg)}.faq-answer{padding:8px 22px 22px 22px;border-top:1px solid var(--divider)}.faq-answer p{margin-top:10px}.faq-answer a{color:var(--blue);font-weight:700}.about-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}.three-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.three-columns article{background:white;border-radius:16px;padding:28px}.three-columns b{color:var(--blue)}.timeline{border-left:3px solid var(--blue);padding-left:28px}.timeline>div{position:relative;padding:0 0 28px}.timeline>div:before{content:"";position:absolute;left:-37px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--lime);border:2px solid var(--blue)}.timeline span{font-size:13px;color:var(--blue);font-weight:800}.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scene-grid>div{background:white;padding:12px;border-radius:14px}.scene-grid strong{display:block;padding:10px}.about-legal{background:white;padding:36px;border-radius:18px}.not-found{text-align:center;padding:140px 0}.not-found .actions{justify-content:center}.site-footer{background:var(--navy-deep);color:#bdcbe0;padding:60px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:70px}.footer-grid a{display:block;font-size:14px;margin:9px 0}.footer-grid a:hover{color:var(--lime)}.footer-grid strong{color:white}.footer-brand{color:white;font-size:21px;font-weight:800}.footer-bottom{border-top:1px solid #2f3d58;margin-top:40px;padding-top:18px;font-size:12px}.footer-bottom a{color:#e4edff}.back-top{position:fixed;right:20px;bottom:20px;background:var(--navy);color:white!important;border-radius:50%;width:42px;height:42px;display:grid;place-items:center;z-index:10;box-shadow:var(--shadow)}.menu-overlay{position:fixed;inset:72px 0 0;background:#0e1b3288;z-index:25}body.menu-open{overflow:hidden}
@media(max-width:1100px){.main-nav{gap:12px}.main-nav a{font-size:12px}.nav-shell{gap:15px}.hero{grid-template-columns:1fr 1fr}.hero-visual{min-height:390px}.hero-browser{transform:none}}@media(max-width:850px){.shell{padding-left:24px;padding-right:24px}.site-header{height:68px}.main-nav{display:none;position:fixed;top:68px;left:0;right:0;max-height:calc(100vh - 68px);overflow:auto;background:white;padding:24px;box-shadow:var(--shadow);z-index:40;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{font-size:16px;padding:10px}.menu-toggle{display:block}.nav-help{display:none}.nav-actions{margin-left:auto}.hero{grid-template-columns:1fr;padding:50px 0}.hero-visual{max-width:700px;width:100%}.split-section,.dark-stage,.about-hero,.security-callout{grid-template-columns:1fr}.feature-layout{grid-template-columns:1fr}.feature-sidebar{position:relative;top:auto;display:flex;overflow-x:auto;gap:8px;border:0;padding:0 0 15px}.feature-sidebar a{white-space:nowrap;background:white}.feature-sidebar strong{display:none}.security-layout{grid-template-columns:1fr}.topic-index{position:relative;top:auto;display:flex;overflow:auto;padding:10px}.topic-index a{white-space:nowrap}.topic-index b{display:none}.footer-grid{gap:25px}}@media(max-width:600px){.shell{padding-left:16px;padding-right:16px}.brand{font-size:17px}.brand-mark{width:35px;height:35px}.nav-actions .btn{padding:8px 9px;font-size:11px}.hero{padding:35px 0}.hero-copy>p{font-size:16px}.hero-metrics{gap:24px;margin-top:30px}.hero-visual{min-height:335px;padding:36px 12px}.browser-body{min-height:220px}.mock-main{padding:15px}.mock-title{font-size:14px}.mock-tiles span{font-size:9px}.section{margin:65px 0}.section-head{align-items:start;flex-direction:column;gap:8px}.path-diagram{padding:20px}.path-diagram span{font-size:13px;padding:9px}.dark-stage{padding:30px 22px}.window-stack{transform:none}.window-stack>div{padding:16px}.window-stack>div:nth-child(2){margin-left:15px}.window-stack>div:nth-child(3){margin-left:30px}.window-stack span{font-size:10px}.reading-layout,.half-grid,.keyflow,.faq-teasers,.work-grid,.theme-demo,.feature-block,.three-columns,.scene-grid,.footer-grid{grid-template-columns:1fr}.feature-block{padding:22px}.feature-picture{grid-template-columns:1fr 1fr}.feature-picture .media{min-height:100px}.work-panel:nth-child(3){grid-column:auto}.work-panel{padding:22px}.device-strip,.storage-panel{flex-direction:column;align-items:start}.page-intro{padding:50px 0 35px}.page-intro p{font-size:16px}.faq-entry summary{align-items:start;flex-wrap:wrap;gap:7px}.faq-entry summary strong{flex-basis:70%}.faq-group{order:0}.faq-entry .plus{margin-left:auto}.download-status{padding:26px;flex-direction:column}.demo-zone>.media{width:45%}.footer-grid{gap:30px}.final-cta{padding:40px 18px}}
@media(max-width:350px){.nav-actions .btn{display:none}.hero-metrics{gap:12px}.hero-metrics span{font-size:22px}.browser-tabs span{padding:5px 7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.brand-logo{width:100%;height:100%;object-fit:contain}.reading-special{max-height:170px;margin-top:16px}.reading-special .fallback-inner{min-height:100px}
