@import"https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;600;700&display=swap";:root{font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#18233e;background:#f7f9ff;font-synthesis:none;--blue:#5375ff;--muted:#7382a3;--line:#e3e9f5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}button{color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #5375ff;outline-offset:5px}button{border:0;background:none}svg{flex-shrink:0}button,a{transition:background .2s,color .2s,box-shadow .2s,transform .2s}button:hover{color:var(--blue)}.skip-link{position:fixed;top:-100px;left:20px;z-index:100;padding:12px;background:#fff}.skip-link:focus{top:10px}.header{height:100px;padding:0 3.25%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#f3f6ff}.brand{display:inline-flex;align-items:center;gap:10px;font-size:26px;font-weight:650;letter-spacing:-1px}.brand img{width:42px;height:42px;border-radius:12px}.nav{display:flex;gap:55px;align-items:center;font-size:14px;padding-right:15px}.nav a:hover{color:var(--blue)}.nav button{padding:0}.menu-toggle{display:none}.hero{height:685px;background:#edf3ff url(/assets/hero-glass.png) center center/cover no-repeat;overflow:hidden}.hero-inner{max-width:1600px;height:100%;margin:auto;position:relative;display:flex;align-items:center;padding:0 5%}.hero-copy{width:45%;position:relative;z-index:2;padding-bottom:0}.quiet-label{display:inline-block;background:#ffffffd9;color:var(--blue);font-size:13px;font-weight:600;padding:7px 18px;border-radius:30px;margin-bottom:16px}h1,h2{font-family:"Noto Serif SC",Songti SC,STSong,serif}h1{font-size:60px;font-weight:600;line-height:1.36;letter-spacing:-2px;margin:0 0 21px}h1 span{color:var(--blue)}.hero-description{font-size:19px;line-height:1.85;color:#647697;margin:0 0 39px}.hero-actions{display:flex;gap:23px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;border-radius:13px;height:62px;padding:0 26px;font-size:17px;white-space:nowrap}.primary{background:var(--blue);color:#fff;box-shadow:inset 0 1px 2px #fff5,0 8px 24px #5579ff12;border:1px solid #748fff}.primary:hover{background:#4264ec;color:#fff;transform:translateY(-2px);box-shadow:0 10px 25px #5375ff30}.secondary{background:#ffffff9c;border:1px solid #e3e9f3;box-shadow:0 8px 20px #53658409}.secondary:hover{background:#fff;transform:translateY(-2px)}.product-scene{position:absolute;left:45.5%;right:2.5%;height:540px;top:48px;scroll-margin-top:110px}.reader-window{position:absolute;top:31px;left:0;width:535px;height:474px;border-radius:28px;background:#ffffff95;box-shadow:0 0 0 12px #ffffff32,0 0 0 14px #ffffff40,0 22px 44px #5b78c010,inset 0 2px 1px #fff;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid #fff;display:flex;padding:18px 0 20px;transform:rotate(-.25deg)}.reader-sidebar{width:151px;flex-shrink:0;padding:0 16px;border-right:1px solid #e1e7f177;color:#8390ad;font-size:10px;position:relative}.window-controls{display:flex;gap:6px;margin-bottom:27px}.window-controls i{width:9px;height:9px;border-radius:50%;background:#fb918b}.window-controls i:nth-child(2){background:#ffd974}.window-controls i:nth-child(3){background:#91d7a2}.sidebar-caption{margin:0 6px 11px}.sidebar-item{display:flex;align-items:center;gap:8px;height:31px;padding:0 7px;white-space:nowrap}.sidebar-item svg{width:13px;height:13px}.sidebar-item span{margin-left:auto;font-size:9px;opacity:.7}.sidebar-item.selected{background:#dfe7ff88;border-radius:7px;color:var(--blue)}.library-caption{margin-top:30px}.sidebar-bottom{position:absolute;bottom:11px;font-size:9px;letter-spacing:2px;line-height:2}.sidebar-bottom span{letter-spacing:.2px}.reader-main{padding:0 22px;flex:1;min-width:0;position:relative;display:flex;flex-direction:column}.reader-heading{display:flex;justify-content:space-between;align-items:center;padding:1px 0 16px}.reader-heading strong{font-size:17px;letter-spacing:.6px}.demo-label{font-size:9px;background:#eaf0fc;color:#7b8bac;padding:4px 6px;border-radius:5px}.reader-tabs{display:flex;justify-content:center;gap:27px;border-bottom:1px solid #dfe6f2}.reader-tabs button{display:flex;align-items:center;gap:5px;color:#929ebb;font-size:10px;padding:0 0 13px;border-bottom:2px solid transparent}.reader-tabs svg{width:13px;height:13px}.reader-tabs button[aria-selected=true]{color:var(--blue);border-color:var(--blue)}.reader-text{position:relative;padding-top:31px;font-family:"Noto Serif SC",Songti SC,serif;flex:1}.reader-text h3{font-size:14px;font-weight:600;margin:0 0 24px}.reader-text p{font-size:12px;line-height:2.1;margin:0 0 17px;color:#4f5c75}.reader-text.large-text p{font-size:14px;line-height:1.85;margin-bottom:12px}.reader-text .reading-active{color:#3d66db}.reader-bottom{margin-top:auto;padding-top:7px}.page-progress{display:flex;align-items:center;gap:9px}.page-progress span{width:100%;height:3px;border-radius:5px;background:#b5c6ff}.page-progress small{font-size:9px;white-space:nowrap;color:#97a4bd}.reader-tools{display:flex;justify-content:space-between;padding-top:13px}.reader-tools button{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:9px;color:#7d8eab;min-width:32px}.reader-tools svg{width:16px;height:16px}.reader-tools button[aria-pressed=true]{color:var(--blue)}.contents-panel{position:absolute;top:20px;right:-5px;bottom:0;left:-5px;background:#f4f7fffa;border:1px solid #dfe7f9;border-radius:12px;padding:24px 16px;z-index:5;font-family:inherit}.contents-panel strong{font-size:16px}.contents-panel button{display:flex;align-items:center;justify-content:space-between;font-size:12px;width:100%;padding:16px 0;color:var(--blue);margin-top:15px;border-block:1px solid #dce5fa}.contents-panel small{display:block;font:10px sans-serif;margin-top:17px;color:var(--muted)}.audio-card{position:absolute;width:272px;right:0;top:142px;z-index:3;border-radius:24px;background:#f7f9ffd9;border:1px solid white;box-shadow:0 16px 38px #5a81c920,inset 0 1px 1px #fff;-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);padding:19px 18px 12px;transition:transform .3s}.audio-card:hover{transform:translateY(-3px)}.audio-heading{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:17px}.audio-heading svg{color:#94a6d2}.audio-book{display:flex;gap:14px;align-items:center}.audio-book img{width:48px;height:74px;object-fit:cover;border-radius:4px;box-shadow:0 4px 8px #38599a25}.audio-book strong{font-size:13px;font-weight:600}.audio-book p{font-size:11px;color:#7382a3;margin:8px 0 0}.audio-progress{display:flex;align-items:center;gap:11px;margin:19px 0 17px;font-size:9px;color:#8a9bbb}.audio-progress progress{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;border:0;border-radius:4px;overflow:hidden;background:#dce6fb}.audio-progress progress::-webkit-progress-bar{background:#dce6fb}.audio-progress progress::-webkit-progress-value{background:var(--blue)}.audio-progress progress::-moz-progress-bar{background:var(--blue)}.audio-controls{display:flex;justify-content:space-around;align-items:center}.rate-button{font-size:10px;padding:8px 3px;min-width:36px;color:#7183a7}.icon-button{display:inline-flex;align-items:center;justify-content:center;padding:6px;min-width:32px;min-height:32px}.play-button{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;box-shadow:0 3px 12px #6481fc30}.play-button:hover{color:#fff;background:#395fe7;transform:scale(1.06)}.bookmark{color:#536481}.speech-status{font-size:9px;text-align:center;color:#8b9bb9;margin:10px 0 0;line-height:1.5;min-height:14px}.experience{max-width:1600px;margin:auto;display:grid;grid-template-columns:1fr 1.13fr;gap:45px;padding:60px 5% 62px;align-items:center;scroll-margin-top:30px}.experience h2{font-size:27px;font-weight:600;margin:0 0 20px;letter-spacing:.5px;white-space:nowrap}.experience-copy p{font-size:14px;line-height:1.9;color:#7382a3;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature{min-height:158px;background:#ffffff9c;border:1px solid #fff;border-radius:15px;padding:20px 16px 16px;box-shadow:0 8px 25px #5870a507}.feature>svg{color:var(--blue);margin-bottom:11px}.feature h3{font-size:14px;font-weight:600;margin:0 0 8px;white-space:nowrap}.feature p{font-size:10px;line-height:1.9;margin:0;color:#7e8ca7;white-space:nowrap}.faq{max-width:1340px;margin:25px auto 0;padding:85px 30px 90px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.1fr;gap:80px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--blue);font-weight:600}.faq h2{font-size:34px;line-height:1.7;font-weight:500;margin:20px 0}.faq-intro{font-size:14px;color:var(--muted)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0;font-size:15px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary svg{color:#8f9fbc;transition:transform .2s}.faq-list details[open] summary svg{transform:rotate(180deg)}.faq-list details p{font-size:14px;line-height:1.9;color:var(--muted);margin:0 20px 24px 0}footer{border-top:1px solid var(--line);margin:0 5%;padding:30px 0 35px;display:flex;align-items:center;justify-content:space-between}footer .brand{font-size:19px}footer .brand img{width:30px;height:30px;border-radius:8px}footer>span{color:var(--muted);font-size:12px}footer>button{display:flex;align-items:center;gap:12px;font-size:12px}.download-dialog{border:1px solid white;border-radius:25px;background:#f6f8ff;width:440px;max-width:calc(100% - 32px);color:#18233e;padding:38px;box-shadow:0 24px 100px #182c4c30}.download-dialog::backdrop{background:#14274845;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.close-dialog{position:absolute;right:15px;top:15px}.dialog-logo{width:44px;height:44px;border-radius:12px;margin-bottom:14px}.download-dialog h2{font-size:34px;line-height:1.55;font-weight:500;margin:13px 0}.dialog-description{color:var(--muted);font-size:13px;line-height:1.9;margin-bottom:25px}.platform{display:flex;gap:14px;align-items:center;border-top:1px solid var(--line);padding:17px 0}.platform>div{display:flex;flex-direction:column;gap:6px}.platform strong{font-size:14px;font-weight:500}.platform div span{font-size:11px;color:var(--muted)}.status-pill{font-size:10px;color:#7186b4;background:#e7edfa;border-radius:12px;padding:5px 8px;margin-left:auto}.project-link{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--blue);font-size:13px;padding:18px 0 0}@media(min-width:1550px){.hero{height:735px}.product-scene{top:65px}.hero-copy{padding-bottom:20px}.reader-window{width:560px;height:490px}}@media(max-width:1250px){.hero-copy{width:46%}h1{font-size:50px}.hero-description{font-size:16px}.button{padding:0 18px;font-size:14px;height:56px}.hero-actions{gap:13px}.product-scene{left:47%;right:2%;transform:scale(.87);transform-origin:left center;width:620px}.experience{grid-template-columns:1fr;gap:30px}.feature-grid{gap:20px}.feature{min-height:145px}.feature p{font-size:12px}.experience h2{white-space:normal}.experience-copy p{font-size:15px}.hero{height:650px}}@media(max-width:1000px)and (min-width:761px){.product-scene{transform:scale(.7);left:47%;top:37px}.hero{height:580px}h1{font-size:42px}.hero-description{font-size:14px}.hero-actions{flex-direction:column;align-items:flex-start;gap:10px}.hero-actions .button{height:47px;min-width:180px}.faq,.nav{gap:30px}.hero-copy{padding-top:12px}}@media(max-width:760px){.header{height:76px;padding:0 24px}.brand{font-size:23px}.brand img{width:36px;height:36px;border-radius:10px}.menu-toggle{display:flex}.nav{display:none;position:absolute;left:16px;right:16px;top:67px;background:#f8fafff7;box-shadow:0 15px 35px #30497420;border:1px solid white;border-radius:16px;z-index:20;padding:18px 24px;gap:0;align-items:stretch}.nav.open{display:flex;flex-direction:column}.nav a,.nav button{padding:14px 0;text-align:left}.hero{height:auto;min-height:865px;background-position:60% bottom}.hero-inner{display:block;padding:56px 24px 0;min-height:865px}.hero-copy{width:100%;padding:0;z-index:2}.quiet-label{font-size:11px;margin-bottom:15px;padding:6px 14px}h1{font-size:43px;letter-spacing:-1px;line-height:1.42;margin-bottom:21px}.hero-description{font-size:14px;line-height:1.9;margin-bottom:27px}.hero-actions{gap:11px}.button{font-size:13px;padding:0 15px;height:51px;gap:8px;border-radius:11px}.button svg{width:19px}.product-scene{position:relative;left:auto;right:auto;top:auto;margin-top:30px;width:620px;height:480px;transform:scale(.6);transform-origin:left top;scroll-margin-top:30px}.reader-window{width:535px}.audio-card{right:5px;top:145px}.experience{padding:40px 24px 45px;gap:29px;grid-template-columns:1fr}.experience h2{font-size:23px;line-height:1.7;margin-bottom:15px}.experience-copy p{font-size:12px;line-height:1.95}.experience-copy br{display:none}.feature-grid{grid-template-columns:repeat(2,1fr);gap:14px}.feature{min-height:157px;padding:20px}.feature p{font-size:11px}.feature h3{font-size:14px}.faq{margin:0 24px;padding:43px 0 45px;grid-template-columns:1fr;gap:18px}.faq h2{font-size:28px;line-height:1.6;margin:15px 0}.faq-intro{font-size:12px}.faq-list summary{font-size:13px;padding:21px 0}.faq-list details p{font-size:12px}footer{margin:0 24px;padding:24px 0;flex-wrap:wrap;gap:20px}footer>span{order:3;width:100%;font-size:11px}footer .brand{font-size:18px}.download-dialog{padding:30px 25px}.reader-tools button,.audio-controls button{min-height:38px}}@media(max-width:390px){h1{font-size:39px}.product-scene{transform:scale(.53)}.hero-inner,.hero{min-height:835px}.button{font-size:12px;padding:0 12px}.hero-actions{gap:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}.header-actions{display:flex;align-items:center;gap:14px;order:3}.language-switch{display:flex;align-items:center;gap:8px;border:1px solid #dce5f6;border-radius:25px;padding:9px 13px;font-size:12px;color:#8895af;background:#ffffff80;min-height:40px}.language-switch .active{color:#4265e6;font-weight:650}.nav{margin-left:auto;margin-right:35px}.connections{max-width:1340px;margin:0 auto;padding:65px 30px 70px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:start}.connections h2{font-size:32px;font-weight:500;line-height:1.7;margin:18px 0}.connections-intro>p:last-child{font-size:14px;line-height:1.9;color:var(--muted);max-width:390px}.connection{display:flex;gap:20px;padding:14px 0 30px}.connection+.connection{border-top:1px solid var(--line);padding-top:30px;padding-bottom:0}.connection-icon{color:var(--blue);background:#eaf0ff;border:1px solid white;border-radius:15px;padding:14px;display:flex;align-self:flex-start}.connection-label{font-size:11px;letter-spacing:.5px;color:var(--blue)}.connection h3{font-size:19px;font-weight:550;margin:10px 0 12px;line-height:1.5}.connection p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.connection-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.connection-tags span{font-size:10px;padding:5px 9px;border:1px solid #dfe7f8;border-radius:20px;color:#778bb3}.feature p{white-space:normal}html[lang=en] h1{font-family:Georgia,serif;font-size:62px;line-height:1.1;letter-spacing:-2px}html[lang=en] .hero-description{font-size:16px;max-width:430px}html[lang=en] h2{font-family:Georgia,serif;letter-spacing:-.5px}html[lang=en] .experience h2{font-size:27px;white-space:normal}html[lang=en] .reader-text{font-family:Georgia,serif;padding-top:25px}html[lang=en] .reader-text h3{font-size:13px;margin-bottom:16px}html[lang=en] .reader-text p{line-height:1.65;margin-bottom:13px}html[lang=en] .reader-text.large-text p{font-size:13px;line-height:1.5}html[lang=en] .sidebar-bottom{font-size:8px;letter-spacing:1px}html[lang=en] .sidebar-bottom span{letter-spacing:0}html[lang=en] .feature h3{font-size:12px;white-space:normal}html[lang=en] .audio-heading{font-size:11px}html[lang=en] .audio-book strong{font-size:12px}html[lang=en] .connections h2,html[lang=en] .faq h2{line-height:1.4}@media(max-width:1250px){html[lang=en] h1{font-size:53px}.connections{gap:40px}}@media(max-width:1000px)and (min-width:761px){.nav{gap:20px;margin-right:18px}.connections{gap:25px}html[lang=en] h1{font-size:44px}html[lang=en] .nav{font-size:12px}}@media(max-width:760px){.nav{margin:0}.header-actions{gap:8px}.language-switch{padding:7px 10px;min-height:36px}.connections{margin:0 24px;padding:40px 0 45px;grid-template-columns:1fr;gap:20px}.connections h2{font-size:26px}.connections-intro>p:last-child{font-size:12px}.connection{gap:14px}.connection-icon{padding:11px;border-radius:12px}.connection h3{font-size:16px}.connection p{font-size:12px}.connection-tags span{font-size:10px}html[lang=en] h1{font-size:47px}html[lang=en] .hero-description{font-size:13px}html[lang=en] .experience h2{font-size:25px}.product-scene{width:620px;transform:scale(.55)}html[lang=en] .hero-inner{min-height:895px}}@media(max-width:390px){html[lang=en] h1{font-size:43px}.product-scene{transform:scale(.51)}}@media(min-width:761px){.menu-toggle{display:none}}.reader-text{padding-right:20px;min-height:0;overflow:auto}.audio-progress>span{white-space:nowrap;flex-shrink:0}.audio-progress progress{flex:1;min-width:0}.footer-links{display:flex;align-items:center;flex-wrap:wrap;gap:24px;font-size:14px}.footer-links button{display:flex;align-items:center;gap:8px;padding:0}.footer-links a:hover,.footer-links a[aria-current=page]{color:#4265e6}.info-page{max-width:900px;margin:auto;padding:38px 24px 64px}.info-back{display:inline-block;color:#4d648f;font-size:14px;padding:8px 0;margin-bottom:24px}.info-card{padding:48px 56px;background:linear-gradient(140deg,#fff,#f1f5ff);border:1px solid white;border-radius:24px;box-shadow:0 15px 60px #5870a509}.info-card h1,html[lang=en] .info-card h1{font-size:36px;line-height:1.4;letter-spacing:-.5px;margin:0 0 16px}.info-card p{font-size:16px;line-height:1.9;color:#4d5d79;margin:12px 0}.info-card .info-date{font-size:14px;color:#647493}.info-intro{margin-top:24px!important}.info-card section{margin-top:32px}.info-card h2{font-size:23px;line-height:1.5;margin:0 0 14px;font-weight:600}.info-card h3{font-size:17px;line-height:1.6;margin:0 0 6px;font-weight:600}.support-answer{margin-top:24px}.support-answer p{margin-top:0}.info-contact{border-top:1px solid var(--line);padding-top:28px}.info-contact>a{display:inline-block;color:#385ad5;font-size:16px;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.info-footer{gap:24px}.info-footer>a{font-weight:600}.info-header .language-switch{font-size:14px}@media(max-width:760px){.info-page{padding:24px 16px 40px}.info-back{margin-left:8px;margin-bottom:16px}.info-card{padding:28px 24px;border-radius:18px}.info-card h1,html[lang=en] .info-card h1{font-size:29px}.info-card h2{font-size:21px}.footer-links{gap:18px;row-gap:20px}.info-footer{align-items:flex-start}.info-footer .footer-links{gap:20px}}
