:root{--ink:#222d32;--muted:#667175;--paper:#f5f6f4;--purple:#8b5cf6;--blue:#06b6d4;--amber:#fbbf24;--orange:#f97316}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 Arial,"Microsoft YaHei",sans-serif}button,input,a{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #0891b2;outline-offset:5px}header{height:88px;max-width:1360px;padding:0 48px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce1df;gap:25px}.brand{display:flex;align-items:center;gap:9px;font-weight:750;font-size:22px;letter-spacing:-1px}.mark{background:#8b5cf6;color:white;width:32px;height:32px;display:grid;place-content:center;border-radius:9px;font-size:21px;position:relative}.mark span{position:absolute;right:2px;top:-6px;font-size:15px}.brand-note{font:8px/1.4 Arial;letter-spacing:1px;max-width:95px;margin-left:12px;color:#67716e}nav,.nav-actions{display:flex;align-items:center;gap:30px}nav{font-size:13px}nav a:hover{color:#087b92}.nav-actions{gap:19px}#locale{border:0;background:none;font-size:12px;min-width:44px;min-height:44px}.sl-btn-crystal{display:inline-flex;justify-content:center;align-items:center;gap:26px;border:1px solid #a6b8bb;border-radius:10px;padding:11px 22px;background:rgba(255,255,255,.25);font-weight:600;font-size:13px;min-height:44px;transition:transform .2s,background .2s}.sl-btn-crystal:hover{background:#e2ebea;transform:translateY(-2px)}.sl-btn-crystal.dark{background:linear-gradient(135deg,#384d53,#263e45);border-color:#738e94;color:#fff;box-shadow:inset 0 1px #ffffff38,0 5px 15px #253e4512}.hero{text-align:center;padding:69px 24px 0;overflow:hidden;background:radial-gradient(ellipse at 50% 70%,#dce9e675,transparent 58%)}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2.6px;display:inline-flex;align-items:center;gap:10px}.eyebrow>span:first-child:empty{width:6px;height:6px;border-radius:50%;background:#6b9e8a}h1{font-size:clamp(38px,4.3vw,65px);line-height:1.25;letter-spacing:-2.8px;font-weight:500;margin:25px auto 20px;max-width:950px;text-wrap:balance}h1 em{font-style:normal;color:#7b8e87}.intro{max-width:540px;margin:0 auto;color:var(--muted);font-size:14px;line-height:1.9}.actions{display:flex;justify-content:center;align-items:center;gap:28px;margin:27px 0}.text-button{border:0;background:none;padding:10px 0;font-size:13px;min-height:44px}.hero-caption{display:flex;justify-content:center;align-items:center;gap:13px;font-size:10px;color:#75807b;margin-top:36px}.line{width:32px;height:1px;background:#bccbc4}.stage-wrap{max-width:1000px;margin:28px auto 0;position:relative;perspective:1600px;padding:15px 0}.product{background:#eef1ef;border:1px solid #fff;border-radius:12px;box-shadow:0 30px 65px -28px #334d4a66,0 0 0 1px #c8d5ce88;overflow:hidden;position:relative;z-index:2;text-align:left;transform:rotateX(3deg);transition:transform .35s ease}.window-top{display:flex;align-items:center;justify-content:space-between;height:37px;padding:0 16px;font-size:9px;color:#74817e;letter-spacing:.6px}.dots{display:flex;gap:5px}.dots i{width:6px;height:6px;border-radius:50%;background:#b7c5bf}.demo-label{border:1px solid #c6d1cb;border-radius:4px;padding:1px 6px;font-size:8px}.product-grid{display:grid;grid-template-columns:1fr 290px;min-height:407px}.scene{position:relative;overflow:hidden;color:#fff;min-height:407px;background:#305654}.landscape{position:absolute;width:100%;height:100%;inset:0}.scene:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 45%,#071f2a9c);pointer-events:none}.scene-top,.scene-title,.subtitles,.scene-controls{position:relative;z-index:1}.scene-top{display:flex;justify-content:space-between;margin:24px;font-size:8px;letter-spacing:2px;text-shadow:0 1px 3px #123}.scene-title{font:italic 42px/1.12 Georgia,serif;margin:49px 34px 38px;letter-spacing:-1px;text-shadow:0 2px 12px #2345}.scene-title em{font-size:38px}.subtitles{text-align:center;padding:12px 10px;background:rgba(10,10,16,.40);border-top:1px solid rgba(255,255,255,.24);backdrop-filter:blur(12px);margin:0 30px;border-radius:10px}.subtitles p{margin:0;font-size:19px}.subtitles p+p{color:#c9d6de;font-size:13px;margin-top:4px;min-height:22px}.word-button{background:none;border:none;border-bottom:1.5px solid #38bdf8;color:white;padding:0 2px;font:inherit;min-height:30px}.word-button:hover{background:#38bdf833}.scene-controls{display:flex;gap:15px;align-items:center;margin:10px 24px;font-size:9px;letter-spacing:1px}.icon-button{background:none;color:inherit;border:0;min-width:44px;min-height:44px}.timeline{height:2px;background:#ffffff4a;flex:1}.timeline i{display:block;width:33%;height:2px;background:white}aside{padding:20px 23px 0;background:#f8faf8;position:relative}.aside-title{display:flex;align-items:center;gap:8px;font-size:11px}.mini-brand{color:var(--purple);font-weight:bold}.status-dot{margin-left:auto;width:5px;height:5px;background:#10b981;border-radius:50%}.tabs{display:flex;border-bottom:1px solid #e0e7e3;margin:20px 0}.tabs button{background:none;border:0;padding:8px 18px;min-height:44px;font-size:11px}.tabs .active{border-bottom:2px solid var(--purple);font-weight:bold}.word-heading{display:flex;align-items:center;gap:15px;font-size:27px;letter-spacing:-.5px}.level{font:9px Arial;border:1px solid #9fcbd3;border-radius:4px;padding:3px;color:#237588}.phonetic{font-size:10px;color:#83918a;margin:3px 0 12px}.meaning{font-size:12px;margin:0 0 16px}.context{background:#edf2f0;padding:10px 12px;border-radius:8px}.context>span{font-size:8px;color:#5b7166;letter-spacing:1px}.context p{font-size:11px;margin:4px 0}.save-button{margin-top:14px;width:100%;min-height:38px;border:1px solid #dfc884;background:#fbbf2414;border-radius:7px;font-size:11px;color:#6b5621}.hint{display:flex;align-items:center;gap:10px;color:#677d72;font-size:10px;margin-top:16px}.aside-footer{display:flex;justify-content:space-between;font-size:8px;color:#73847c;border-top:1px solid #e1e7e3;margin-top:18px;padding:10px 0}.floating-tag{position:absolute;z-index:3;background:#ffffffd9;border:1px solid white;border-radius:9px;padding:11px 16px;font-size:10px;box-shadow:0 9px 25px #274b3914;backdrop-filter:blur(10px);display:flex;align-items:center;gap:9px}.tag-left{left:-53px;top:102px;transform:rotate(-6deg)}.tag-right{right:-40px;bottom:64px;transform:rotate(5deg)}.tiny-dot{width:6px;height:6px;border-radius:50%;background:#38bdf8}.amber{color:#a87912}.orbit{position:absolute;inset:-30px -70px;border:1px solid #d4dfd8;border-radius:50%;transform:rotate(-12deg);pointer-events:none}.orbit-two{inset:20px -100px;transform:rotate(10deg)}.demo-note{color:#7a8580;font-size:10px;margin:18px 0 35px}.platforms{text-align:center;margin:20px auto 85px;max-width:1000px}.platforms>p{font-size:10px;color:#7a8580;letter-spacing:1px}.platforms>div{display:flex;justify-content:center;align-items:center;gap:65px;margin-top:23px;color:#63746c;font-size:21px;font-weight:600}.journey,.manifesto,.faq{max-width:1100px;margin:0 auto;padding:0 35px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px}.section-heading p{font-size:12px;color:var(--muted);max-width:240px;margin-bottom:8px}h2{font-size:35px;letter-spacing:-1px;line-height:1.4;font-weight:500;margin:14px 0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:35px}.step-number{font-size:9px;letter-spacing:1.5px;color:#697f73}.mini-visual{height:130px;background:linear-gradient(140deg,#ecf0ec,#e4ebe6);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-direction:column;margin-top:15px;gap:8px}.mini-visual>span{font:22px Georgia,serif}.mini-visual small{font-size:10px;color:#67786e}.mini-visual u{text-decoration-color:#06b6d4;text-underline-offset:7px}.gold>span{font-size:19px;color:#8e692d}.wave{height:40px;display:flex;align-items:center;gap:5px}.wave i{height:15px;width:3px;background:#c78761;border-radius:2px}.wave i:nth-child(3n){height:35px}.wave i:nth-child(2n){height:25px}h3{font-size:20px;font-weight:500;margin:19px 0 10px}.steps p{font-size:12px;color:var(--muted);line-height:1.9;margin:0}.manifesto{margin-top:95px;padding:48px 45px;background:#e9eee8;border-radius:12px;position:relative;overflow:hidden;min-height:310px}.manifesto h2{font-size:36px;max-width:570px}.manifesto p{font-size:12px;color:var(--muted);max-width:470px}.rings{position:absolute;right:40px;top:20px;width:280px;height:280px;display:grid;place-items:center}.rings i{position:absolute;border:1px solid #a8beb255;border-radius:50%;width:100%;height:100%;transform:rotateX(35deg) rotateY(-25deg)}.rings i:nth-child(2){width:75%;height:75%;transform:rotateX(-25deg) rotateY(25deg)}.rings i:nth-child(3){width:50%;height:50%}.rings span{font-size:48px;color:#8b5cf6;transform:rotate(-12deg)}.faq{display:grid;grid-template-columns:1fr 1.5fr;gap:60px;margin-top:95px}.questions details{border-bottom:1px solid #d7dfd9;padding:20px 0}.questions summary{cursor:pointer;font-size:14px;min-height:24px}.questions p{font-size:12px;color:var(--muted)}.closing{text-align:center;padding:90px 24px}.closing h2{font-size:42px;margin:15px 0 25px}footer{max-width:1264px;margin:auto;border-top:1px solid #d9dfdb;padding:28px 0 40px;display:flex;align-items:center;justify-content:space-between}footer>span,footer>a:last-child{font-size:10px;color:#68776e}dialog{border:1px solid white;border-radius:16px;padding:40px;max-width:480px;width:calc(100% - 40px);background:#f5f7f4;color:var(--ink);box-shadow:0 20px 100px #1234}dialog::backdrop{background:#172b3480;backdrop-filter:blur(5px)}dialog p{color:var(--muted);font-size:14px}.dialog-close{position:absolute;right:12px;top:8px;background:none;border:0;font-size:26px;width:44px;height:44px}#practicePanel{font-size:12px}#practicePanel label{display:block;font-size:10px;margin:12px 0 4px}#answer{width:100%;padding:9px;border:1px solid #afc5b8;border-radius:6px;background:white;font:inherit}#check{margin-top:12px}#feedback{min-height:35px;color:#346753}.skip{position:absolute;left:15px;top:-100px;background:white;padding:15px;z-index:20}.skip:focus{top:10px}[hidden]{display:none!important}@media(min-width:1500px){.hero{padding-top:85px}}@media(max-width:1000px){header{padding:0 24px}.brand-note{display:none}.floating-tag{display:none}.stage-wrap{max-width:850px}.product-grid{grid-template-columns:1fr 260px}.scene-title{font-size:36px}.subtitles p{font-size:16px}.rings{opacity:.3;right:-80px}.manifesto>*:not(.rings){position:relative;z-index:1}footer{margin:0 30px}}@media(max-width:700px){header{height:74px;padding:0 18px;gap:10px}nav{display:none}.nav-actions{gap:5px}.nav-actions .sl-btn-crystal{padding:8px 12px;font-size:11px}.hero{padding:42px 18px 0}h1{font-size:39px;letter-spacing:-1.5px}.intro{font-size:13px;max-width:330px}.hero-caption{font-size:9px}.product-grid{grid-template-columns:1fr}.scene{min-height:340px}.scene-title{margin:40px 24px 25px}.scene-top{margin:18px}.subtitles{margin:0 15px}.product{transform:none!important}aside{padding:18px 22px}.aside-title{font-size:13px}.tabs{margin:10px 0}.word-heading{font-size:24px}.hint{margin:12px 0}.aside-footer{margin-top:8px}.platforms{margin:20px 20px 60px}.platforms>div{gap:20px;flex-wrap:wrap;font-size:17px}.section-heading{display:block}.section-heading p{max-width:100%}.journey,.faq{padding:0 24px}h2{font-size:28px}.steps{grid-template-columns:1fr;gap:35px}.mini-visual{height:120px}.steps p{font-size:13px}.manifesto{margin:55px 18px 0;padding:30px 24px}.manifesto h2{font-size:28px}.manifesto p{max-width:260px}.rings{right:-150px}.faq{grid-template-columns:1fr;gap:10px;margin-top:60px}.closing{padding:65px 22px}.closing h2{font-size:31px}footer{flex-wrap:wrap;gap:20px;margin:0 24px}.window-top{font-size:7px;padding:0 10px}.demo-label{font-size:7px}.demo-note{font-size:9px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.product{transform:none!important}}
/* Real product photography: preserve source pixels and proportions. */
.real-logo{width:32px;height:32px;border-radius:9px;letter-spacing:normal}.orbit-logo{width:86px;height:86px;border-radius:22px;transform:rotate(-12deg)}.real-stage{max-width:1120px;margin-top:30px}.capture-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px;color:#607267;position:relative;z-index:2}.capture-heading>span:last-child{font-size:10px;letter-spacing:1px}.capture-tabs{display:flex;justify-content:center;gap:10px;position:relative;z-index:2;margin:0 0 22px}.capture-tabs button{min-height:44px;padding:10px 22px;font-size:12px;background:#ffffff5c;border:1px solid #d6dfd7;border-radius:9px;transition:background .2s}.capture-tabs button[aria-pressed=true]{background:#e3eae4;border-color:#91a89a;box-shadow:inset 0 -2px #8b5cf6}.real-product{margin:0;transform:none!important;background:#e4e9e5;border-radius:12px;padding:8px;box-shadow:0 25px 65px -30px #334d4a66}.capture-open{display:flex;align-items:center;justify-content:center;width:100%;aspect-ratio:2.08;background:#171b21;border:0;padding:0;border-radius:6px;position:relative;overflow:hidden;cursor:zoom-in}.capture-open>img{display:block;width:100%;height:100%;object-fit:contain}.zoom-label{position:absolute;bottom:14px;right:14px;background:#142026e8;backdrop-filter:blur(8px);border:1px solid #ffffff40;border-radius:7px;padding:8px 12px;color:#fff;font-size:11px;box-shadow:0 2px 12px #0003;pointer-events:none}.capture-caption{display:flex;align-items:center;justify-content:space-between;gap:35px;text-align:left;margin:25px 2px 0;position:relative;z-index:2}.capture-caption>div{display:flex;align-items:center;gap:20px;flex:1.1}.capture-caption span{font:10px monospace;color:#6c8074;white-space:nowrap}.capture-caption h3{margin:0;font-size:17px}.capture-caption p{flex:1;font-size:12px;line-height:1.9;color:#667175;margin:0}.real-stage .orbit{opacity:.5;inset:40px -50px 65px;z-index:0}.feature-capture{width:100%;display:flex;flex-direction:column;align-items:stretch;background:#e7ece7;border:1px solid #d4ddd5;border-radius:10px;overflow:hidden;padding:6px;margin-top:15px;cursor:zoom-in}.feature-capture img{width:100%;height:150px;object-fit:contain;background:#171b21;border-radius:5px}.feature-capture>span{font-size:10px;color:#405c4c;padding:10px 8px 5px;text-align:left}.feature-capture:hover{border-color:#819d8d}#imageDialog{max-width:1500px;width:94vw;max-height:94vh;padding:22px;overflow:auto}.image-dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.image-dialog-heading h2{font-size:22px;margin:0}.image-dialog-heading button{white-space:nowrap}#imageDialog>p{font-size:12px;margin:8px 0 18px}.image-scroll{overflow:auto;background:#171b21;border-radius:8px;max-height:72vh}.image-scroll img{display:block;width:auto;max-width:100%;height:auto;max-height:none;margin:0 auto}.hero .demo-note{margin-top:12px}.hero-caption{margin-top:30px}@media(max-width:700px){.capture-heading{gap:12px;text-align:left}.capture-heading .eyebrow{font-size:8px;letter-spacing:1.2px}.capture-heading>span:last-child{font-size:9px;white-space:nowrap}.capture-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:15px}.capture-tabs button{padding:9px;font-size:11px}.real-product{padding:4px;border-radius:9px}.capture-open{aspect-ratio:1.5}.capture-caption{display:block;margin-top:18px}.capture-caption h3{font-size:16px}.capture-caption>div{gap:12px}.capture-caption p{margin-top:10px;font-size:12px}.zoom-label{bottom:8px;right:8px;font-size:9px;padding:5px 8px}.feature-capture img{height:190px}.image-dialog-heading h2{font-size:16px}.image-dialog-heading button{padding:8px 12px}#imageDialog{padding:15px}.image-scroll img{max-width:none;min-width:900px;width:900px}.image-scroll{max-height:65vh}.real-stage .orbit{inset:65px -30px}.demo-note{line-height:1.7}.orbit-logo{width:70px;height:70px}}

.hands-on{max-width:1190px;margin:65px auto 45px;padding:0 35px}.hands-on .section-heading p{max-width:330px}.trial-steps{font-size:12px;letter-spacing:.5px;color:#64756c;margin:25px 0 18px}.hands-on iframe{width:100%;height:730px;border:1px solid #ced8d0;border-radius:14px;display:block;background:#15181e;box-shadow:0 25px 55px -35px #243b4966}.trial-disclosure{font-size:11px;color:#667175;margin-top:13px;line-height:1.8}@media(max-width:700px){.hands-on{padding:0 16px;margin-top:40px}.hands-on iframe{height:1200px}.trial-steps{font-size:10px;letter-spacing:0}.hands-on h2{font-size:28px}.trial-disclosure{font-size:10px}}
.device-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:24px 0}.device-options{display:flex;flex-wrap:wrap;gap:6px}.device-options button{padding:10px 13px;min-height:44px;border:1px solid #d0d9d2;border-radius:9px;background:#ffffff70;color:#53655b;font-size:11px}.device-options button[aria-pressed=true]{background:#e3e9e3;border-color:#829b8b;box-shadow:inset 0 -2px #8b5cf6;color:#202e27}.device-toolbar>a{font-size:11px;color:#3c5749;white-space:nowrap}.device-showcase{display:flex;align-items:center;gap:45px;padding:34px;border-radius:22px;background:radial-gradient(ellipse at 80% 20%,#e6e0f470,transparent 60%),linear-gradient(145deg,#edf1ec,#e0e9e3);border:1px solid #d5ded6;min-height:550px}.device-caption{flex:0 0 240px}.device-caption .eyebrow{font-size:9px}.device-caption h3{font-size:34px;line-height:1.5;font-weight:500;margin:22px 0}.device-caption p{font-size:12px;line-height:2;color:#66766e}.device-caption-rule{height:1px;width:45px;background:#9bad9d;margin:30px 0}.device-area{flex:1;min-width:0;display:flex;justify-content:center}.device-shell{position:relative;flex:none;box-sizing:content-box;border:8px solid #23262c;border-radius:21px;background:#111318;overflow:hidden;box-shadow:0 25px 45px -20px #1b302b65}.hands-on .device-shell iframe{position:absolute;left:0;top:0;border:0;border-radius:0;transform-origin:top left;max-width:none;box-shadow:none}.device-showcase:has([data-device=desktop]),.device-showcase:has([data-device=ipadLandscape]),.device-showcase:has([data-device=phoneLandscape]){display:block}.device-showcase[data-device=desktop]>.device-caption,.device-showcase[data-device=ipadLandscape]>.device-caption,.device-showcase[data-device=phoneLandscape]>.device-caption{display:none}.clip-credit{font-size:10px;color:#7b8981;line-height:1.8}.clip-credit a{color:inherit;text-decoration:underline}@media(max-width:1000px){.device-caption{flex-basis:180px}.device-caption h3{font-size:26px}.device-showcase{gap:25px;padding:22px}}@media(max-width:700px){.device-options{display:none}.device-toolbar{justify-content:flex-end;margin:15px 0}.device-showcase{display:block;padding:0;background:none;border:0;min-height:0}.device-caption{display:none}.device-shell{border:0;border-radius:14px}.device-area{width:100%}}

.device-showcase[data-device=localDesktop] .device-caption{display:none}.device-showcase[data-device=localDesktop] .device-area{grid-column:1/-1}@media(max-width:699px){.desktop-local-only{display:none!important}}

/* Keep additional platforms quiet; give multilingual learning its own space. */
.platforms a:hover{text-decoration:underline;text-underline-offset:4px}
.platforms .platform-links{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:7px 10px;margin:23px 20px 0;font-size:12px;line-height:1.9;letter-spacing:0;color:#66756d}
.platforms .platform-links>span:first-child{margin-right:5px}
.platforms .platform-note{font-size:11px;letter-spacing:0;margin-top:8px;color:#7a8580}
.language-note{margin:40px auto 0;padding:30px 24px 0;border-top:1px solid #dce4df;max-width:760px}
.language-note .eyebrow{font-size:9px}
.language-note h3{font-size:25px;line-height:1.5;font-weight:500;letter-spacing:-.5px;margin:12px 0 9px}
.language-note p{font-size:13px;line-height:1.9;color:var(--muted);margin:0}
.language-note .language-list{color:#516c5d;margin-top:16px;line-height:2.1}
[data-install]{display:inline-flex;align-items:center;justify-content:center}
@media(max-width:700px){.language-note{padding:24px 0 0;margin-top:30px}.language-note h3{font-size:22px}.platforms .platform-links{margin-left:0;margin-right:0}}