:root{--ink:#292530;--muted:#6b6573;--violet:#8347e0;--lavender:#f3edff;--coral:#ff6b6b;--orange:#ff9f43;--line:#e9e5ed;--page:#fcfbfe}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--page);line-height:1.6}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.12;letter-spacing:-1.3px}h1{font-size:clamp(46px,5.6vw,80px);font-weight:650;letter-spacing:-3.2px}h2{font-size:clamp(36px,4vw,58px);font-weight:600;letter-spacing:-2.2px}h3{font-size:25px;font-weight:600;letter-spacing:-.7px}em{font-style:normal;color:var(--violet)}p{color:var(--muted)}[hidden]{display:none!important}.container{max-width:1360px;padding:0 64px;margin:auto}.icon{width:20px;height:20px;flex-shrink:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;border:1px solid transparent;border-radius:100px;font-size:14px;font-weight:600;padding:14px 24px;line-height:1.4;transition:transform .25s,box-shadow .25s,background .25s;white-space:nowrap}.button .icon{width:17px;height:17px}.button:hover{transform:translateY(-3px)}.primary{background:var(--violet);color:#fff;box-shadow:0 4px 14px #8347e018}.primary:hover{box-shadow:0 7px 24px #8347e034;background:#7437d0}.secondary{background:#fff;color:var(--ink);border-color:#d8d0e3}.secondary:hover{border-color:var(--violet);color:var(--violet)}.text-link{display:inline-flex;margin-top:20px;font-weight:600;color:var(--violet);font-size:14px}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.site-header{position:sticky;top:0;z-index:30;background:#fcfbfee6;backdrop-filter:blur(16px);border-bottom:1px solid #e9e5ed70}.nav-wrap{max-width:1420px;margin:auto;display:flex;align-items:center;padding:22px 64px;gap:32px}.logo img{width:146px;height:36px;object-fit:contain}.nav-wrap nav{display:flex;gap:30px;margin-left:auto;font-size:14px;font-weight:500}.nav-wrap nav a{position:relative}.nav-wrap nav a:after{content:'';position:absolute;height:2px;background:var(--violet);bottom:-7px;left:0;width:0;transition:width .25s}.nav-wrap nav a:hover:after,.nav-wrap nav a[aria-current]:after{width:100%}.nav-wrap>.button{font-size:13px;padding:12px 20px}.menu-button{display:none;border:0;background:none;color:var(--ink)}.skip-link{position:fixed;left:10px;top:-100px;z-index:100;background:#fff;padding:12px}.skip-link:focus{top:10px}:focus-visible{outline:3px solid #a78bfa;outline-offset:4px}.hero{position:relative;background:radial-gradient(ellipse at 80% 30%,#ede1ff99,transparent 56%),radial-gradient(ellipse at 7% 0%,#fff1e799,transparent 45%);padding:54px 0 20px}.hero-intro{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:center}.hero-intro h1{line-height:1.02}.hero-intro>div>p{font-size:18px;line-height:1.75;margin-top:22px}.hero-intro>div>.audience-note{font-size:12px;letter-spacing:.4px;margin-top:22px}.hero-cat{position:relative;display:grid;place-items:center;min-height:310px}.hero-cat>img{width:225px;height:200px;object-fit:contain;position:relative;z-index:2;filter:drop-shadow(0 15px 20px #5e435a0d)}.cat-orbit{position:absolute;width:300px;height:300px;border:1px solid #c3acef66;border-radius:50%;transform:rotate(-20deg) scaleY(.77)}.cat-orbit:after,.cat-orbit:before{content:'';position:absolute;border-radius:50%;width:11px;height:11px;background:#ff9f43;left:40px;top:26px}.cat-orbit:after{left:auto;top:auto;right:20px;bottom:50px;background:#a78bfa}.cat-thought{position:absolute;top:13px;right:0;background:white;border-radius:18px 18px 18px 3px;padding:10px 18px;box-shadow:0 8px 28px #6a4a9310;font-size:15px;transform:rotate(3deg);z-index:3}.cat-name{font-size:12px;color:var(--muted);position:absolute;bottom:17px}.mascot-float{animation:catFloat 5s ease-in-out infinite}.hero-product{margin-top:42px;position:relative}.scroll-cue{text-align:center;font-size:11px;letter-spacing:1px;margin-top:24px;color:#8b7e9b}.product-tour{background:#fff;border-radius:18px;box-shadow:0 24px 70px #50317812;border:1px solid #e2d9ed;overflow:hidden}.tour-toolbar{display:flex;justify-content:space-between;align-items:center;padding:13px 17px;border-bottom:1px solid var(--line);background:#ffffff}.tour-tabs{display:flex;gap:4px}.tour-tabs button{background:none;color:#7b7388;padding:10px 17px;border:0;border-radius:8px;font-size:13px;font-weight:600;transition:background .3s,color .3s}.tour-tabs button[aria-selected=true]{background:#f0e7ff;color:#7030c6}.play-tour{display:flex;align-items:center;gap:8px;background:none;border:0;font-size:11px;color:var(--muted);padding:8px}.play-tour .icon{width:14px;height:14px}.tour-stage{min-height:395px;background:white}.product-panel{animation:panelIn .4s ease both}.product-header{display:flex;align-items:center;gap:18px;border-bottom:1px solid #f0edf4;padding:14px 22px;min-height:61px;font-size:12px;justify-content:space-between}.product-header strong{font-size:13px;color:#25212b}.product-header>div{margin-right:auto;width:40%}.product-header small{display:block;color:#aaa1b3;font-size:9px;margin-top:4px}.product-progress{height:5px;border-radius:5px;background:#f1edf5;margin-top:6px}.product-progress i{display:block;width:0;height:5px;background:linear-gradient(90deg,#8347e0,#ad93f2);transition:width .5s;border-radius:5px}.practice-body{display:grid;grid-template-columns:105px 1fr 39%;min-height:331px}.question-rail{padding:20px 15px;border-right:1px solid var(--line);font-size:11px;color:#8b8194;display:flex;flex-direction:column;gap:13px;align-items:center}.question-rail>strong{font-size:10px;margin-bottom:2px}.question-rail>span{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:#f1edf6;color:#655a75;font-weight:600}.question-rail>.selected{color:white;background:var(--violet)}.question-canvas{position:relative;padding:25px 32px;display:flex;flex-direction:column;align-items:flex-start}.status-label{margin-left:auto;font-size:9px;color:#8f8599;border:1px solid #e7e1ed;border-radius:20px;padding:3px 9px}.question-copy{color:#2d2636;font-size:13px;font-weight:500;line-height:1.65;margin-top:13px;max-width:460px}.area-figure{width:250px;height:133px;align-self:center;margin:12px 0}.area-figure text{font-size:12px;fill:#56505e}.answer-form{display:flex;align-items:flex-end;gap:16px;width:100%;margin-top:auto}.answer-form label{font-size:10px;color:#83798f;flex:1}.answer-row{display:flex;gap:8px;align-items:center;margin-top:5px}.answer-row input{font-size:12px;border:1px solid #d9d1e2;border-radius:6px;padding:9px;width:100%;min-width:0}.answer-row span{font-size:12px}.answer-form .button{font-size:10px;padding:11px 16px}.answer-feedback{font-size:11px;margin-top:12px;padding:9px 12px;border-radius:6px;background:#fff1ed;color:#b35043;width:100%;animation:panelIn .3s}.answer-feedback.correct{background:#e9f8ed;color:#247a42}.product-chat{margin:16px 20px 16px 0;border-radius:12px;overflow:hidden;box-shadow:2px 2px 4px #00000012;display:flex;flex-direction:column;background:#f5f5f6;min-width:0}.chat-head{background:#fff;padding:12px 14px;display:flex;align-items:center;gap:10px;border-bottom:1px solid #eee;font-size:13px}.chat-head>img{width:32px;height:32px}.hint-link{margin-left:auto;font-size:9px;color:#7242bf;background:none;border:0;padding:6px}.chat-messages{padding:18px 14px;display:flex;flex-direction:column;gap:18px;flex:1}.user-bubble{align-self:flex-end;background:#9e77ed;color:white;border-radius:8px 0 8px 8px;padding:10px 14px;font-size:11px;max-width:85%}.assistant-row{display:flex;gap:10px;align-items:flex-start;animation:messageIn .45s ease both}.assistant-row>img{width:28px;height:28px}.assistant-bubble{font-size:11px;background:#fff;flex:1;color:#322b3c;padding:12px 14px;line-height:1.7;border-radius:0 8px 8px 8px;box-shadow:0 1px 4px #00000008}.chat-composer{display:flex;align-items:center;justify-content:space-between;margin:0;background:#fff;border:0;font-size:10px;color:#ada4b9;padding:12px 14px;text-align:left}.chat-composer img{width:27px;height:27px;background:linear-gradient(90deg,#8347e0,#ad93f2);padding:5px;border-radius:50%}.tour-caption{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:11px 20px;font-size:10px;color:#8e819c;background:#fff}.tour-caption>span:last-child{color:var(--violet);font-weight:600}.upload-layout{display:grid;grid-template-columns:1fr 45%;min-height:330px}.upload-sheet{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:25px;text-align:center;gap:12px}.upload-sheet>img{width:30px;height:30px;background:#8347e0;border-radius:9px;padding:7px}.upload-sheet>h3{font-size:23px}.upload-sheet>p{font-size:12px}.upload-sheet>.button{font-size:11px;padding:10px 18px}.loaded-question{border:1px solid var(--line);background:#fffdf9;border-radius:8px;padding:15px;text-align:left;animation:panelIn .4s}.loaded-question>span{font-size:9px;text-transform:uppercase;letter-spacing:1px;color:#9d8bb4}.loaded-question>p{font-size:12px;color:var(--ink);margin-top:8px}.review-layout{display:grid;grid-template-columns:105px 1fr 25%;min-height:330px}.review-question{padding:25px 30px}.wrong{color:#d25a58;background:#fff1f0;border-color:#ffc5bf}.written-answer{font-family:Georgia,serif;font-size:32px;letter-spacing:2px;margin:25px 0}.written-answer span{color:#dc736b;border-bottom:2px solid #dc736b}.review-question>.button{font-size:11px;padding:10px 16px}.review-mascot{display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(130deg,#fff,#f6f1ff);padding:20px;gap:20px;text-align:center}.review-mascot img{width:140px}.review-mascot p{font-size:13px}.review-summary{font-size:10px;color:#b7615b}.mark-feedback{padding:14px;margin-top:18px;background:#fff1f0;color:#994f4a;border:1px solid #f8d9d6;border-radius:8px;font-size:11px;animation:panelIn .3s}.mark-feedback strong{display:block;color:#a64d46;font-size:12px}.mark-feedback p{color:#554451;font-weight:600;margin:10px 0 3px}.section{padding:100px 0}.section-number{font-size:11px;letter-spacing:1.5px;color:#9583aa;display:block;margin-bottom:24px}.story-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px}.story-heading{position:sticky;top:140px;align-self:start}.story-cat{width:125px;margin-top:35px;transform:rotate(-7deg);transition:transform .4s}.story-cat:hover{transform:rotate(2deg) translateY(-5px)}.story-list article{padding:28px 0 40px;border-bottom:1px solid #e5deee}.story-list article:first-child{padding-top:0}.story-list article:last-child{border:0;padding-bottom:0}.story-list article>span{font-size:12px;color:#a78bfa;display:block;margin-bottom:17px}.story-list p{font-size:17px;line-height:1.8;margin-top:16px}.story-list .text-link{margin-top:18px}.trust-section{background:#f2edf8}.trust-editorial{display:grid;grid-template-columns:1fr 1.2fr;gap:80px}.trust-editorial h2{font-size:43px;line-height:1.2}.trust-editorial h2 span{color:#8b7d9c}.trust-lines article{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid #dcd4e6}.trust-lines article:first-child{padding-top:0}.trust-lines article:last-child{border:0}.trust-lines article>span{font-size:11px;color:#9b83b8;margin-top:4px}.trust-lines h3{font-size:21px;letter-spacing:-.5px}.trust-lines p{font-size:14px;line-height:1.75;margin-top:9px;max-width:470px}.educator-band{background:#fffaf4}.educator-heading{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:end;margin-bottom:40px}.educator-heading>div>p{font-size:17px;max-width:450px;line-height:1.8}.educator-heading .button{margin-top:25px}.drawing-lab{border:1px solid #e5d9f0;border-radius:16px;background:#fff;box-shadow:0 20px 60px #6e484810;overflow:hidden}.lab-top{padding:18px 26px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:15px}.lab-top>strong{font-size:13px}.lab-tabs{display:flex;gap:10px}.lab-tabs button{font-size:12px;padding:7px 12px;border:0;background:none;color:#8d8299;border-radius:6px}.lab-tabs button[aria-selected=true]{background:#f0e7ff;color:#743bc6}.lab-canvas{background-image:radial-gradient(#e4ddec 1px,transparent 1px);background-size:18px 18px;padding:10px}.teaching-svg{display:block;width:100%;max-height:340px}.teaching-svg text{font-size:18px;fill:#776186;font-family:Arial}.draw-line{stroke-dasharray:950;stroke-dashoffset:0}.drawing-lab.is-visible .draw-line{animation:drawLine 1.4s ease both}.construction-line{transition:opacity .5s}.has-construction .construction-line{opacity:1}.folding-half{transform-origin:300px 150px;transition:transform 1s ease,fill 1s;transform-box:view-box}.is-folded .folding-half{transform:scaleX(-1);fill:#ac8ade}.lab-bottom{padding:15px 26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}.lab-bottom>span{font-size:12px;color:#8c7d99}.lab-bottom .button{font-size:11px;padding:10px 17px}.lab-note{font-size:9px;text-align:center;padding:8px 20px;color:#b3a3bd}.educator-access{display:flex;justify-content:space-between;align-items:center;margin-top:30px}.educator-access p{font-size:14px}.section-heading{margin-bottom:35px}.heading-row{display:flex;justify-content:space-between;align-items:end}.eyebrow{font-size:10px;color:#9887ab;letter-spacing:1.5px;display:block;margin-bottom:20px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.faq-grid details,.help-questions details{border-top:1px solid var(--line);background:transparent}summary{cursor:pointer;font-size:15px;font-weight:500;padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;list-style:none}summary::-webkit-details-marker{display:none}summary .icon{width:15px;height:15px;transition:transform .2s}details[open] summary .icon{transform:rotate(180deg)}details>p{font-size:14px;line-height:1.8;padding:0 28px 22px 0}.contact-section{background:#efe7ff;padding:80px 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.contact-grid>div>p{font-size:17px;margin-top:23px;line-height:1.9}.contact-zai{display:flex;align-items:center;gap:25px;margin-top:27px}.contact-zai img{width:115px;animation:catFloat 5s ease-in-out infinite}.contact-zai span{font-size:17px;line-height:1.4;color:#8d6daf}.contact-grid form{background:#fff;padding:28px;border-radius:16px;display:flex;flex-direction:column;gap:17px;box-shadow:0 15px 40px #6c4c9510}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-grid label{font-size:12px;font-weight:500;color:#6c5a7f;display:flex;flex-direction:column;gap:7px}input,select,textarea{border:1px solid #e3dbea;border-radius:7px;background:#fff;padding:10px 12px;color:var(--ink);font-size:13px;min-width:0;width:100%}textarea{resize:vertical;min-height:110px}input::placeholder,textarea::placeholder{color:#b3a7bf}.contact-grid form>.button{align-self:flex-start;font-size:12px}.form-note,#form-status{font-size:10px;line-height:1.6}#form-status{color:#7951ae}footer{background:#fff;padding:36px 0}.footer-top{display:flex;align-items:center;gap:24px}.footer-top>p{font-size:12px}.footer-top nav{margin-left:auto;display:flex;gap:24px;font-size:11px}.footer-bottom{display:flex;gap:22px;justify-content:space-between;font-size:9px;color:#a49aac;margin-top:30px}.focus-intro{display:grid;grid-template-columns:1.4fr 1fr;gap:90px;padding-top:75px;padding-bottom:55px;align-items:end}.focus-intro h1{font-size:clamp(45px,5vw,67px)}.focus-intro>div>p{font-size:17px;line-height:1.8}.focus-intro .button{margin-top:23px}.focus-cat{width:95px;margin-bottom:20px;animation:catFloat 5s ease-in-out infinite}.focus-product{padding-bottom:25px}.focus-product .tour-stage{min-height:400px}.focus-product .practice-body{min-height:360px}.educator-details{display:grid;grid-template-columns:1fr 1.2fr;gap:100px}.help-hero{padding:65px 0 15px}.help-hero h1{font-size:58px}.help-hero p{font-size:17px;margin-top:22px}.faq-search{display:flex;align-items:center;gap:15px;border:1px solid #d8cde5;background:#fff;border-radius:12px;max-width:600px;margin-top:30px;padding:10px 18px}.faq-search input{border:0;padding:8px 0;font-size:14px;outline:none}.help-layout{display:grid;grid-template-columns:240px 1fr;gap:65px}.faq-categories{display:flex;flex-direction:column;gap:6px;align-self:start;position:sticky;top:130px}.faq-categories button{padding:14px 18px;text-align:left;font-size:14px;border:0;background:none;color:#8b7b9b;border-radius:8px}.faq-categories button[aria-pressed=true]{background:#ede4fc;color:#7437c9;font-weight:600}.help-questions details p{font-size:15px}#faq-empty{font-size:14px;padding:30px 0}.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden}.reveal{opacity:1;transform:translateY(0);transition:opacity .8s ease,transform .8s ease}.motion-ready .reveal:not(.is-visible){opacity:0;transform:translateY(24px)}.motion-ready .reveal.is-visible{opacity:1;transform:translateY(0)}.page-transition{animation:pageIn .35s ease both}@keyframes catFloat{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-8px) rotate(1deg)}}@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes messageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes drawLine{from{stroke-dashoffset:950}to{stroke-dashoffset:0}}@keyframes pageIn{from{opacity:.6}to{opacity:1}}
@media(min-width:1500px){.hero-intro h1{font-size:82px}.hero-cat>img{width:250px;height:225px}.hero{padding-top:65px}}
@media(max-width:1000px){.container{padding:0 35px}.nav-wrap{padding:18px 35px;gap:22px}.nav-wrap nav{gap:18px;font-size:12px}.hero-intro{gap:35px}.hero-intro h1{font-size:62px}.hero-cat>img{width:200px;height:180px}.cat-thought{font-size:12px}.practice-body{grid-template-columns:70px 1fr 40%}.question-rail{padding:16px 8px}.question-canvas{padding:20px}.product-chat{margin-right:15px}.answer-form{gap:8px}.answer-form .button{padding:10px 11px;font-size:9px}.story-layout,.trust-editorial,.educator-heading,.contact-grid,.educator-details{gap:50px}.focus-intro{gap:45px}.review-layout{grid-template-columns:70px 1fr 23%}.review-question{padding:20px}.tour-tabs button{font-size:11px;padding:9px 11px}.play-tour{font-size:10px}.lab-tabs button{font-size:10px}.footer-top nav{gap:13px}.footer-bottom{font-size:8px}}
@media(max-width:760px){.container{padding:0 24px}.site-header{background:#fcfbfef0}.nav-wrap{padding:18px 24px;gap:15px;flex-wrap:wrap}.logo img{width:122px;height:30px}.nav-wrap>.button{margin-left:auto;font-size:11px;padding:10px 15px}.menu-button{display:block;padding:4px}.nav-wrap nav{display:none;order:4;width:100%;margin:0;flex-direction:column;gap:0;font-size:15px;padding:8px 0}.nav-wrap nav.is-open{display:flex}.nav-wrap nav a{padding:10px 0}.nav-wrap nav a:after{display:none}.hero{padding-top:37px;background:radial-gradient(ellipse at 85% 30%,#eee1ff99,transparent 70%)}.hero-intro{grid-template-columns:1fr;gap:20px}.hero-intro h1{font-size:53px;letter-spacing:-2.5px}.hero-intro>div>p{font-size:15px;line-height:1.8;margin-top:19px}.hero-intro>div>.audience-note{font-size:10px;margin-top:16px}.actions{margin-top:22px;gap:10px}.button{font-size:12px;padding:12px 19px;gap:12px}.hero-cat{min-height:235px}.hero-cat>img{width:160px;height:150px}.cat-orbit{width:220px;height:210px}.cat-thought{right:10%;top:0;font-size:11px;padding:8px 13px}.cat-name{bottom:3px;font-size:10px}.hero-product{margin-top:20px}.product-tour{border-radius:12px}.tour-toolbar{padding:8px;flex-wrap:wrap;gap:5px}.tour-tabs{width:100%;gap:2px}.tour-tabs button{font-size:10px;white-space:normal;flex:1;padding:9px 6px;line-height:1.45}.play-tour{margin-left:auto;font-size:9px;padding:3px 5px}.play-tour .icon{width:11px;height:11px}.product-header{padding:13px 14px;min-height:62px;gap:12px}.product-header strong{font-size:11px}.product-header>div{width:75%}.product-header small{font-size:8px}.practice-body{grid-template-columns:1fr;min-height:0}.question-rail{display:none}.question-canvas{padding:18px 18px 22px}.status-label{font-size:9px}.question-copy{font-size:13px;margin-top:12px}.area-figure{width:225px;height:120px;margin:14px 0}.answer-form{gap:12px}.answer-form label{font-size:10px}.answer-row input{font-size:12px;padding:9px}.answer-form .button{font-size:10px;padding:11px 13px}.product-chat{margin:0 12px 12px;border:1px solid #ede6f2;min-height:190px}.chat-head{font-size:12px;padding:10px 13px}.chat-head>img{width:28px;height:28px}.chat-messages{gap:12px;padding:14px 12px}.user-bubble{font-size:10px;padding:8px 11px}.assistant-bubble{font-size:11px;padding:10px 12px}.assistant-row>img{width:26px;height:26px}.chat-composer{font-size:10px;padding:10px 13px}.chat-composer img{width:24px;height:24px}.tour-stage{min-height:0}.tour-caption{font-size:8px;padding:10px 12px;gap:10px}.tour-caption>span:first-child{max-width:80%}.scroll-cue{font-size:9px;margin-top:21px}.upload-layout{grid-template-columns:1fr;min-height:0}.upload-sheet{min-height:250px;padding:20px}.loaded-question p{font-size:12px}.review-layout{grid-template-columns:1fr;min-height:390px}.review-question{padding:22px 20px}.review-mascot{flex-direction:row;padding:17px;gap:22px}.review-mascot img{width:70px}.review-mascot p{font-size:12px}.review-summary{font-size:9px}.written-answer{font-size:29px}.mark-feedback{font-size:11px}.section{padding:62px 0}h2{font-size:37px;letter-spacing:-1.5px}h3{font-size:24px}.section-number{font-size:9px;margin-bottom:18px}.story-layout{grid-template-columns:1fr;gap:35px}.story-heading{position:static}.story-cat{width:85px;position:absolute;right:30px;margin-top:-60px}.story-list article{padding:27px 0 31px}.story-list h3{font-size:23px}.story-list p{font-size:14px;margin-top:15px;line-height:1.85}.story-list article>span{font-size:10px;margin-bottom:12px}.text-link{font-size:12px;margin-top:14px}.trust-editorial{grid-template-columns:1fr;gap:33px}.trust-editorial h2{font-size:36px}.trust-lines article{padding:20px 0;gap:14px}.trust-lines h3{font-size:20px}.trust-lines p{font-size:13px;line-height:1.8}.educator-heading{grid-template-columns:1fr;gap:25px;margin-bottom:30px}.educator-heading>div>p{font-size:14px}.educator-heading .button{margin-top:18px}.lab-top{flex-direction:column;align-items:flex-start;padding:15px}.lab-top>strong{font-size:12px}.lab-tabs{width:100%;gap:3px}.lab-tabs button{flex:1;font-size:10px;padding:9px 5px;white-space:nowrap}.lab-canvas{padding:15px 3px}.teaching-svg{min-height:190px}.lab-bottom{padding:13px;flex-direction:column;align-items:flex-start;gap:11px}.lab-bottom>span{font-size:11px}.lab-bottom .button{font-size:10px;padding:9px 13px}.lab-note{font-size:8px;padding:9px 13px}.educator-access{flex-direction:column;align-items:flex-start;gap:16px;margin-top:25px}.educator-access p{font-size:12px}.heading-row{display:block}.heading-row .text-link{margin-top:20px}.eyebrow{font-size:9px;margin-bottom:16px}.faq-grid{grid-template-columns:1fr;gap:0}summary{font-size:13px;padding:20px 0}details>p{font-size:13px;padding:0 0 22px}.contact-section{padding:54px 0}.contact-grid{grid-template-columns:1fr;gap:28px}.contact-grid>div>p{font-size:14px;margin-top:19px}.contact-zai{margin-top:20px;gap:22px}.contact-zai img{width:85px}.contact-zai span{font-size:14px}.contact-grid form{padding:21px;gap:15px}.form-row{gap:11px}.contact-grid label{font-size:10px}input,textarea,select{font-size:12px;padding:10px}.contact-grid form>.button{font-size:11px}.form-note,#form-status{font-size:9px}.footer-top{flex-wrap:wrap;gap:16px}.footer-top .logo img{width:105px;height:26px}.footer-top>p{font-size:10px}.footer-top nav{width:100%;margin-left:0;justify-content:space-between;gap:5px;font-size:9px}.footer-bottom{flex-direction:column;gap:9px;font-size:8px;margin-top:22px}.focus-intro{grid-template-columns:1fr;gap:25px;padding-top:40px;padding-bottom:35px}.focus-intro h1{font-size:45px;letter-spacing:-2px}.focus-intro>div>p{font-size:14px}.focus-intro .button{margin-top:20px}.focus-cat{width:70px;float:right;margin:0 0 12px 15px}.focus-product .tour-stage{min-height:0}.focus-product .practice-body{min-height:0}.educator-details{grid-template-columns:1fr;gap:33px}.help-hero{padding:43px 0 5px}.help-hero h1{font-size:41px;letter-spacing:-1.7px}.help-hero p{font-size:14px;margin-top:20px}.faq-search{padding:9px 13px;margin-top:23px}.faq-search input{font-size:12px}.help-layout{grid-template-columns:1fr;gap:24px}.faq-categories{position:static;flex-direction:row;flex-wrap:wrap;gap:5px}.faq-categories button{font-size:10px;padding:9px 12px}.help-questions details p{font-size:13px}}
@media(max-width:360px){.container{padding:0 18px}.nav-wrap{padding:15px 18px;gap:10px}.nav-wrap .logo img{width:106px}.hero-intro h1{font-size:47px}.form-row{grid-template-columns:1fr}.tour-tabs button{font-size:9px}.lab-tabs button{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.motion-ready .reveal:not(.is-visible){opacity:1;transform:none}}
/* V3: actual Tutor Tools UI, reproduced from the inspected product. */
.hero-cat>.zai-reading-rig{width:225px;height:200px;overflow:visible;position:relative;z-index:2;filter:drop-shadow(0 15px 20px #5e435a0d)}.zai-tail{transform-origin:101px 111px;animation:zaiTail 4s ease-in-out infinite;transform-box:view-box}.zai-book{transform-origin:57px 98px;animation:zaiBook 5s ease-in-out infinite;transform-box:view-box}.rocket-cat{height:auto;animation:rocketDrift 6s ease-in-out infinite!important}.strength-cat{animation:strengthBreathe 4s ease-in-out infinite}.contact-zai img{height:auto}.focus-cat{animation:paperBob 5s ease-in-out infinite}.real-educator{border:1px solid #dce1e9;border-radius:16px;overflow:hidden;background:white;box-shadow:0 22px 65px #4833470d;--slate:#272c34;font-family:Arial,sans-serif}.real-editor-heading{display:flex;justify-content:space-between;align-items:center;padding:14px 23px;border-bottom:1px solid #e5e9ee;gap:15px}.real-editor-heading>span{font-size:13px;font-weight:600}.real-editor-heading [role=tablist]{display:flex;gap:5px}.real-editor-heading button{padding:9px 18px;border:0;background:none;font-size:12px;border-radius:7px;color:#79818e}.real-editor-heading button[aria-selected=true]{background:#eef1ff;color:#365ccc;font-weight:600}.real-editor-frame{display:grid;grid-template-columns:48px 1fr;height:450px;background:#fafbfd}.real-app-nav{display:flex;flex-direction:column;align-items:center;gap:8px;padding:8px 5px;border-right:1px solid #e0e5eb;background:#f7f8fa}.real-app-nav>span{display:grid;place-items:center;width:35px;height:35px;border:1px solid #e1e5eb;border-radius:9px;background:white;font-size:10px;font-weight:bold}.real-app-nav>.active{background:#e8edff}.real-app-nav>.z-mark{border:0;background:none;color:#ffa239;font-size:26px;font-family:Georgia,serif;font-style:italic;position:relative;height:28px;margin-bottom:4px}.z-mark>span{color:#f3716d;position:absolute;font-size:11px;bottom:0;right:0}.real-workspace{min-width:0;overflow:hidden}.real-mode-diagram{height:100%;display:flex;flex-direction:column}.real-diagram-title{display:flex;justify-content:space-between;padding:10px 15px;border-bottom:1px solid #e5e9ee;font-size:12px;background:#fff}.real-diagram-title>span{font-size:9px;border:1px solid #e3e7ed;border-radius:5px;padding:3px 7px}.real-diagram-bar{display:flex;align-items:center;gap:10px;background:white;border-bottom:1px solid #e1e6ed;padding:6px 12px;font-size:12px;color:#9da5b1}.real-small-button{display:inline-block;font-size:9px;padding:5px 9px;border:1px solid #e1e6ed;border-radius:5px;background:#fff;color:#343a43;text-align:center}.real-diagram-bar button{margin-left:auto;border:1px solid #dfe5ed;background:#fff;border-radius:5px;font-size:9px;padding:5px 9px}.real-diagram-body{display:grid;grid-template-columns:37px 1fr;flex:1;min-height:0}.real-palette{display:flex;flex-direction:column;align-items:center;gap:7px;padding:9px 4px;border-right:1px solid #e0e5eb;background:white}.real-tool{width:28px;height:28px;background:#fff;border:1px solid #e0e5ec;border-radius:6px;display:grid;place-items:center;color:#303640}.real-tool:first-child{background:#e9eeff}.real-tool svg{width:16px;height:16px}.real-drawing-canvas{position:relative;overflow:hidden;min-width:0;background:#fbfcfd}.real-diagram-svg{display:block;width:100%;height:100%;overflow:visible}.real-diagram-svg g[transform]>path{fill:none;stroke:#272c34;stroke-width:1.7;stroke-dasharray:none}.real-layers{position:absolute;right:13px;top:12px;width:150px;border:1px solid #dfe5ed;border-radius:8px;box-shadow:0 5px 18px #24314e10;background:white;padding:9px;display:flex;flex-direction:column;gap:5px;font-size:9px;color:#687181}.real-layers>strong{font-family:Georgia,serif;font-size:10px}.real-layer-row{display:flex;justify-content:space-between;border:1px solid #aebefa;background:#edf1ff;padding:4px 6px;border-radius:4px;font-size:9px}.real-layer-row small{font-size:8px}.real-layer-note{font-size:8px;color:#8a95a3}.real-layer-select{border:1px solid #e2e7ee;border-radius:4px;padding:4px 6px;font-size:8px}.real-mode-geometry{display:grid;grid-template-columns:175px minmax(0,1fr) 185px;height:100%}.real-set-nav{border-right:1px solid #dfe5ed;padding:12px;background:white;display:flex;flex-direction:column;gap:7px;overflow:hidden}.real-kicker{font-family:monospace;letter-spacing:1.4px;color:#8d929b;font-size:8px}.real-set-nav>strong{font-size:12px;font-family:Georgia,serif}.real-set-nav>small{font-size:9px;color:#89909d}.real-config{display:flex;gap:5px;font-size:9px;margin-top:3px}.real-config>span{border:1px solid #e0e5ec;border-radius:5px;padding:5px 6px;flex:1;white-space:nowrap}.real-generate{background:#4169e1;border-radius:5px;color:white;font-size:9px;font-weight:bold;text-align:center;padding:7px;margin-top:2px}.real-problems{margin-top:9px;display:flex;flex-direction:column;gap:7px}.real-problem{display:flex;align-items:center;gap:8px;padding:8px 6px;border:1px solid transparent;border-radius:6px}.real-problem.active{border-color:#d4dcee;background:#f0f4fd}.real-problem>span{display:grid;place-items:center;width:27px;height:27px;border:1px solid #dfe6f2;border-radius:5px;background:white;color:#91a0b7;font-size:10px}.real-problem strong{font-size:10px}.real-problem small{display:block;font-size:8px;color:#8e95a2;font-family:monospace;margin-top:2px}.real-geometry-main{display:flex;flex-direction:column;min-width:0;overflow:hidden;background:#fafbfd}.real-geometry-top{padding:12px 13px;display:flex;align-items:center;gap:7px;background:white;border-bottom:1px solid #e1e6ed;font-size:10px;font-family:Georgia,serif}.real-geometry-top>span{font-family:monospace;font-size:8px;color:#808694}.real-geometry-top>.real-export{margin-left:auto;font-size:9px;font-family:Arial;border:1px solid #e0e5ec;border-radius:5px;padding:4px 7px;color:#2d3441}.real-figure-canvas{flex:1;min-height:0;display:grid;place-items:center;background-image:radial-gradient(#e7ebf2 .8px,transparent .8px);background-size:16px 16px;padding:20px}.real-geometry-svg{display:block;width:95%!important;max-height:280px;height:100%!important;overflow:visible;font-family:Georgia,"Times New Roman",serif}.real-solution-bar{display:flex;align-items:center;gap:9px;border-top:1px solid #e1e7f0;background:#fff;padding:11px 12px;font-size:10px;flex-wrap:wrap}.real-solution-bar>strong{font-family:monospace;background:#4169e1;color:white;border-radius:3px;padding:3px 6px;font-size:10px}.real-solution-bar button{margin-left:auto;background:none;border:0;color:#7d889b;font-size:9px;padding:4px}.real-solution{padding:12px 15px;background:#eff4ff;font-size:10px;color:#456096;animation:panelIn .35s}.real-solution p{font-family:monospace;color:#314f89;margin-top:5px}.real-inspector{padding:14px 13px;border-left:1px solid #e1e6ee;background:white;font-size:10px;overflow:hidden}.real-inspector>strong{font-family:Georgia,serif;font-size:12px}.real-inspector small{display:block;font-size:8px;color:#969da8;margin-top:6px}.real-inspector h4{font-family:Georgia,serif;font-size:10px;letter-spacing:0;border-top:1px solid #e1e6ed;padding-top:13px;margin:16px 0 9px}.real-input{display:block;border:1px solid #dce3ec;border-radius:5px;padding:5px 8px;font-size:9px;flex:1}.real-label-row{display:flex;align-items:center;gap:8px;margin:7px 0}.real-label-row>span:first-child{font-family:monospace;font-size:9px;color:#8b96a5;width:12px}.real-editor-footer{display:flex;align-items:center;justify-content:space-between;padding:13px 22px;gap:20px;border-top:1px solid #e0e5ed;background:white}.real-editor-footer p{font-size:10px;max-width:70%;color:#9a92a6}.real-editor-footer .button{font-size:10px;padding:9px 14px}.replaying .real-diagram-svg g[transform]>path{stroke-dasharray:2000;animation:actualDraw 2s ease both}.replaying .real-geometry-svg{animation:panelIn .6s ease both}.real-educator[data-mode=geometry] .nav-d{background:white}.real-educator[data-mode=geometry] .nav-g{background:#e8edff}@keyframes actualDraw{from{stroke-dashoffset:2000}to{stroke-dashoffset:0}}@keyframes zaiTail{0%,100%{transform:rotate(-2deg)}40%{transform:rotate(4deg)}60%{transform:rotate(2deg)}}@keyframes zaiBook{0%,100%{transform:rotate(0deg)}50%{transform:rotate(-1.5deg)}}@keyframes rocketDrift{0%,100%{transform:translate(0,0) rotate(-3deg)}50%{transform:translate(5px,-5px) rotate(2deg)}}@keyframes strengthBreathe{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}@keyframes paperBob{0%,100%{transform:rotate(-2deg)}50%{transform:rotate(2deg)}}
@media(max-width:1000px){.real-mode-geometry{grid-template-columns:150px minmax(0,1fr) 145px}.real-inspector{padding:12px 9px}.real-editor-frame{height:420px}.hero-cat>.zai-reading-rig{width:200px;height:180px}}
@media(max-width:760px){.hero-cat>.zai-reading-rig{width:160px;height:150px}.real-editor-heading{padding:12px 14px;gap:10px;flex-wrap:wrap}.real-editor-heading>span{font-size:11px}.real-editor-heading button{font-size:10px;padding:8px 12px}.real-editor-frame{grid-template-columns:34px 1fr;height:350px}.real-app-nav{padding:7px 3px;gap:6px}.real-app-nav>span{width:25px;height:27px;border-radius:6px;font-size:8px}.real-app-nav>.z-mark{font-size:21px}.real-diagram-title{padding:9px 11px;font-size:10px}.real-diagram-title>span{font-size:7px}.real-diagram-bar{padding:6px 9px;gap:8px}.real-diagram-body{grid-template-columns:29px 1fr}.real-palette{padding:8px 2px;gap:6px}.real-tool{width:23px;height:25px}.real-tool svg{width:13px;height:13px}.real-layers{width:100px;right:6px;top:7px;padding:6px;gap:3px}.real-layers>strong{font-size:8px}.real-layer-row{font-size:7px;padding:3px 4px}.real-layer-row small{font-size:6px}.real-layer-select,.real-layer-note{font-size:6px}.real-diagram-svg{min-width:0}.real-mode-geometry{grid-template-columns:97px minmax(0,1fr)}.real-set-nav{padding:9px 6px;gap:6px}.real-kicker{font-size:6px;letter-spacing:.7px}.real-set-nav>strong{font-size:9px}.real-set-nav>small{font-size:6px}.real-config{display:block;font-size:6px}.real-config>span{display:block;padding:4px;margin-bottom:3px}.real-generate{font-size:7px;padding:6px 2px}.real-small-button{font-size:6px;padding:4px 2px}.real-problems{gap:4px;margin-top:5px}.real-problem{padding:5px 2px;gap:4px}.real-problem>span{width:18px;height:21px;font-size:7px}.real-problem strong{font-size:7px}.real-problem small{font-size:5px;letter-spacing:-.1px}.real-inspector{display:none}.real-geometry-top{padding:10px 7px;gap:5px;font-size:8px;flex-wrap:wrap}.real-geometry-top>span{font-size:6px}.real-geometry-top>.real-export{font-size:6px;padding:3px 5px}.real-figure-canvas{padding:6px}.real-geometry-svg{width:100%!important}.real-solution-bar{gap:5px;padding:7px;font-size:7px}.real-solution-bar>strong{font-size:7px;padding:3px}.real-solution-bar button{font-size:7px;padding:4px 0;flex-basis:100%;text-align:left}.real-solution{font-size:8px;padding:8px}.real-editor-footer{padding:11px 13px;gap:10px;flex-wrap:wrap}.real-editor-footer p{font-size:8px;max-width:100%}.real-editor-footer .button{font-size:9px;padding:8px 12px}}
.real-palette{overflow:auto}.real-tutor-mark{width:25px;height:25px;object-fit:contain;margin:3px 0 7px}.real-set-nav{overflow-y:auto}.real-figure-canvas{padding:12px 15px}.real-geometry-svg{max-height:270px}@media(max-width:760px){.real-tutor-mark{width:21px;height:23px}.real-figure-canvas{padding:5px}.real-palette{gap:5px}.real-tool{flex-shrink:0}}

/* v4: standing Zai. Original head retained; new pose rig for greeting. */
.hero-cat>.zai-standing-rig{width:250px;height:255px;overflow:visible;filter:drop-shadow(0 9px 18px rgba(117,87,66,.04))}
.zai-standing-body{animation:zaiStand 6.5s ease-in-out infinite;transform-origin:98px 180px}
.zai-wave-arm{transform-origin:124px 115px;animation:zaiWave 6.5s ease-in-out infinite}
.zai-standing-tail{transform-origin:125px 163px;animation:zaiStandTail 6.5s ease-in-out infinite}
@keyframes zaiWave{0%,15%,83%,100%{transform:rotate(55deg)}25%,37%,49%,61%{transform:rotate(-28deg)}31%,43%,55%,67%{transform:rotate(-9deg)}75%{transform:rotate(0deg)}}
@keyframes zaiStand{0%,15%,80%,100%{transform:translateY(0)}25%,61%{transform:translateY(-2px)}43%{transform:translateY(0)}}
@keyframes zaiStandTail{0%,100%{rotate:-2deg}50%{rotate:3deg}}
@media(max-width:760px){.hero-cat>.zai-standing-rig{width:190px;height:200px}}
@media(prefers-reduced-motion:reduce){.zai-wave-arm{transform:rotate(-18deg)}}

.help-total{font-size:14px;color:var(--muted);margin:16px 0}.help-portals{display:flex;flex-wrap:wrap;gap:22px}.help-portals a{font-size:14px;font-weight:650;color:var(--violet)}.help-topic+ .help-topic{margin-top:48px}.help-topic h2{font-size:27px;margin:0 0 8px}.help-topic-summary{font-size:15px;line-height:1.65;color:var(--muted);margin:0 0 20px}.help-topic details p a{color:var(--violet);text-decoration:underline}

.help-topic{scroll-margin-top:110px}.help-directory{padding-top:0;padding-bottom:90px}.help-directory h2{font-size:36px}.help-directory>p{max-width:740px;line-height:1.7;color:var(--muted)}.help-directory-links{display:flex;gap:32px;border-top:1px solid var(--line);margin-top:26px;padding-top:26px}.help-directory-links>a{flex:1}.help-directory-links strong{display:block;margin-bottom:8px}.help-directory-links span{font-size:14px;line-height:1.7;color:var(--muted)}@media(max-width:760px){.help-directory-links{flex-direction:column}.help-directory h2{font-size:29px}}

/* v5: restored shared website entry points and resources. */
.nav-wrap{gap:22px}.nav-wrap>.logo img{width:125px;height:auto}.site-header #main-nav{gap:18px;font-size:13px;margin-left:auto}.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}.nav-actions .button{padding:12px 19px;font-size:12px}.language-switch{display:flex;align-items:center;gap:6px;font-size:11px;white-space:nowrap;color:var(--muted)}.language-switch [aria-current]{color:var(--ink)}.parent-login{font-size:12px}.mobile-utilities{display:none}.focus-intro .button{margin-right:10px}
.hero-cat>.zai-wave-sprite{width:285px;height:285px;border-radius:50%;background-image:url('assets/zai-wave-sprite-v5.png');background-size:200% 200%;background-position:0 0;background-repeat:no-repeat;animation:zaiSpriteHello 6.4s step-end infinite;mask-image:radial-gradient(circle,#000 0 91%,transparent 100%)}
@keyframes zaiSpriteHello{0%,18%,84%,100%{background-position:0 0}24%,76%{background-position:100% 0}32%,48%,64%{background-position:0 100%}40%,56%,72%{background-position:100% 100%}}
.footer-v5 .footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:48px}.footer-brand>p{font-size:22px;line-height:1.4;letter-spacing:-.5px;margin-top:24px}.footer-entry{display:flex;gap:20px;margin-top:24px;font-size:12px;font-weight:600}.footer-v5 nav{display:flex;flex-direction:column;gap:13px;font-size:12px}.footer-v5 nav h3{font-size:13px;letter-spacing:0;margin-bottom:8px}.footer-v5 nav a{color:var(--muted)}.footer-v5 a:hover{color:var(--violet)}.footer-social{display:flex;align-items:flex-start;gap:34px;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:45px}.footer-social>p{font-size:12px;white-space:nowrap}.social-links{display:flex;flex-wrap:wrap;gap:18px}.social-link{display:inline-flex;align-items:center;gap:7px;font-size:11px}.social-icon{width:18px;height:18px}.footer-v5 .footer-bottom{margin-top:23px;align-items:center}.footer-v5 .footer-bottom>span:nth-child(2){margin-left:auto}.footer-v5 .footer-bottom a{font-size:10px}
@media(max-width:1100px){.nav-wrap{gap:14px}.site-header #main-nav{display:none;position:absolute;top:100%;left:0;right:0;max-height:80vh;overflow-y:auto;background:var(--page);padding:24px 30px;box-shadow:0 15px 20px rgba(40,20,65,.06);flex-direction:column;align-items:stretch;gap:0;font-size:16px}.site-header #main-nav.is-open{display:flex}.site-header #main-nav>a{padding:13px 0}.mobile-utilities{display:flex;flex-direction:column;gap:18px;border-top:1px solid var(--line);margin-top:10px;padding-top:23px}.mobile-utilities .language-switch{font-size:13px}.nav-actions{margin-left:auto}.nav-actions>.language-switch,.nav-actions>.parent-login{display:none}.menu-button{display:flex}.footer-v5 .footer-main{gap:28px;grid-template-columns:1.4fr 1fr 1fr 1.3fr}.social-links{gap:13px}.social-link{font-size:10px}}
@media(max-width:760px){.nav-wrap>.logo img{width:105px}.nav-actions .button{padding:10px 14px;font-size:11px}.nav-actions .button .icon{width:12px}.hero-cat>.zai-wave-sprite{width:205px;height:205px}.hero-intro .actions{gap:10px}.hero-intro .actions .button{font-size:11px;padding:12px 17px}.footer-v5 .footer-main{grid-template-columns:1fr 1fr;gap:35px 25px}.footer-brand{grid-column:1/-1}.footer-brand>p{font-size:23px}.footer-v5 nav{font-size:12px}.footer-v5 nav h3{font-size:13px}.footer-entry{font-size:12px}.footer-social{display:block;margin-top:35px;padding:25px 0}.social-links{margin-top:17px;gap:18px 22px}.social-link{font-size:11px}.footer-v5 .footer-bottom{align-items:flex-start;flex-wrap:wrap;flex-direction:row;gap:13px;font-size:10px}.footer-v5 .footer-bottom>span:nth-child(2){width:100%;margin-left:0;order:3}.footer-v5 .footer-bottom>span:first-child{margin-right:auto}}
@media(prefers-reduced-motion:reduce){.hero-cat>.zai-wave-sprite{background-position:100% 0}}

/* v6: excited run-in, planted feet, stronger waving and ear/tail frames. */
.hero{overflow-x:clip}.hero-cat>.zai-motion{width:300px;height:300px;position:relative}.zai-motion-travel,.zai-motion-bounce,.zai-motion-sprite{width:100%;height:100%}.zai-motion-sprite{background-image:url('assets/zai-brand-sprite-v7.png');background-size:400% 200%;background-position:66.66667% 0;background-repeat:no-repeat;mask-image:radial-gradient(circle,#000 0 92%,transparent 100%)}
.zai-motion.is-entering .zai-motion-travel{animation:zaiRunIn 1.45s cubic-bezier(.19,.6,.24,1) both}.zai-motion.is-entering .zai-motion-bounce{animation:zaiRunningBounce .16s ease-in-out infinite alternate}.zai-motion.is-entering .zai-motion-sprite{animation:zaiRunningFrames .19s step-end infinite}.hero-cat:has(.is-entering) .cat-thought{opacity:0;transform:translateY(7px)}.cat-thought{transition:opacity .22s,transform .22s}
.zai-motion.is-greeting .zai-motion-sprite{animation:zaiExcitedFrames 4.8s step-end infinite}.zai-motion.is-greeting .zai-motion-bounce{animation:zaiHappyBounce .48s ease-in-out infinite}
.zai-replay{border:0;background:none;color:var(--muted);padding:6px 12px;margin-top:8px;font-size:10px;border-radius:20px;min-height:32px}.zai-replay:hover{color:var(--violet);background:var(--lavender)}.zai-replay:focus-visible{outline:2px solid var(--violet);outline-offset:3px}
@keyframes zaiRunIn{0%{transform:translateX(100vw) rotate(-9deg)}70%{transform:translateX(-17px) rotate(-3deg)}85%{transform:translateX(7px) rotate(2deg)}100%{transform:translateX(0) rotate(0)}}
@keyframes zaiRunningBounce{from{transform:translateY(0) rotate(-3deg)}to{transform:translateY(-9px) rotate(2deg)}}
@keyframes zaiRunningFrames{0%,100%{background-position:0 0}50%{background-position:33.33333% 0}}
@keyframes zaiHappyBounce{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-4px) rotate(1deg)}}
@keyframes zaiExcitedFrames{0%,80%,100%{background-position:66.66667% 0}8%,24%,40%,56%,72%{background-position:100% 0}16%,32%,48%,64%{background-position:33.33333% 100%}20%,36%,52%,68%,76%{background-position:100% 100%}}
@media(max-width:760px){.hero-cat>.zai-motion{width:215px;height:215px}.zai-replay{min-height:40px;font-size:10px}}
@media(prefers-reduced-motion:reduce){.zai-motion-travel,.zai-motion-bounce{transform:none!important}.zai-motion-sprite{background-position:100% 0!important}.hero-cat .cat-thought{opacity:1!important;transform:none!important}}
/* Keep the greeting caption and replay clear, and blend the artwork edge. */
.hero-cat:has(.zai-motion){display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:370px}
.hero-cat:has(.zai-motion) .cat-name{position:static;margin-top:9px;line-height:1.5}
.hero-cat:has(.zai-motion) .zai-replay{margin-top:2px}
.zai-motion-sprite{border-radius:50%;mask-image:radial-gradient(ellipse 50% 50% at 50% 50%,#000 96%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 50% 50% at 50% 50%,#000 96%,transparent 100%)}
@media(max-width:760px){.hero-cat:has(.zai-motion){min-height:285px}.hero-cat:has(.zai-motion) .cat-name{margin-top:6px}}

/* v7: current product availability, visible before searching. */
.help-updates{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:10px;margin-top:24px}.help-updates>div{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 16px;font-size:12px}.help-updates strong{border-radius:20px;padding:3px 9px;font-size:10px;font-weight:600;background:var(--lavender);color:#7030c6}.help-updates .available{background:#e6f5ed;color:#246544}@media(max-width:760px){.help-updates{align-items:stretch;flex-direction:column}.help-updates>div{justify-content:space-between;text-align:left}}

/* v8: animate the user's original standing SVG paths, keeping its full body. */
.zai-source-rig{width:100%;height:100%;overflow:visible;display:block}
.zai-motion.is-entering .zai-motion-travel{animation:zaiSourceEnter 1.3s cubic-bezier(.18,.7,.25,1) both}
.zai-motion.is-entering .zai-motion-bounce{animation:zaiSourceBounds .28s ease-in-out 4}
.zai-motion.is-greeting .zai-motion-bounce{animation:zaiSourceSettle .7s ease-out 1}
.zai-source-arm{transform-box:view-box;transform-origin:58px 86px}
.zai-source-tail{transform-origin:91px 101px}
.zai-source-ear-right{transform-origin:94px 24px}
.zai-source-ear-left{transform-origin:41px 24px}
.zai-motion.is-greeting .zai-source-arm{animation:zaiSourceWave 6s ease-in-out infinite}
.zai-motion.is-greeting .zai-source-tail{animation:zaiSourceTail 3.2s ease-in-out infinite}
.zai-motion.is-greeting .zai-source-ear-right{animation:zaiSourceEarRight 6.4s ease-in-out infinite}
.zai-motion.is-greeting .zai-source-ear-left{animation:zaiSourceEarLeft 6.4s ease-in-out infinite}
@keyframes zaiSourceEnter{0%{transform:translateX(100vw)}76%{transform:translateX(-10px)}90%{transform:translateX(4px)}100%{transform:none}}
@keyframes zaiSourceBounds{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-8px) rotate(1deg)}}
@keyframes zaiSourceSettle{0%,100%{transform:none}30%{transform:translateY(-3px) rotate(1deg)}70%{transform:translateY(1px)}}
@keyframes zaiSourceWave{0%,48%,100%{transform:rotate(0)}8%,20%,32%{transform:rotate(18deg)}14%,26%,38%{transform:rotate(7deg)}}
@keyframes zaiSourceTail{0%,100%{transform:rotate(-5deg)}50%{transform:rotate(9deg)}}
@keyframes zaiSourceEarRight{0%,22%,32%,100%{transform:none}25%,29%{transform:rotate(4deg)}27%{transform:rotate(-2deg)}}
@keyframes zaiSourceEarLeft{0%,68%,79%,100%{transform:none}71%,76%{transform:rotate(-4deg)}73%{transform:rotate(2deg)}}
@media(prefers-reduced-motion:reduce){.zai-source-arm,.zai-source-tail,.zai-source-ear-left,.zai-source-ear-right{animation:none!important;transform:none!important}}

/* v13: make audience, practice and guidance explicit in the first screen. */
.hero-audience{display:inline-block;color:#62536f;font-size:12px;font-weight:600;letter-spacing:.3px;margin-bottom:18px}.hero-copy h1{font-size:clamp(44px,4.3vw,64px);letter-spacing:-2.1px;line-height:1.08}.hero-intro>.hero-copy>p:not(.audience-note){max-width:620px;font-size:17px;line-height:1.7;margin-top:20px}.hero-intro>.hero-copy>.audience-note{font-size:12px;line-height:1.6;letter-spacing:0;margin-top:18px}@media(max-width:760px){.hero-audience{font-size:11px;margin-bottom:14px}.hero-copy h1{font-size:clamp(38px,9vw,50px);letter-spacing:-1.5px}.hero-intro>.hero-copy>p:not(.audience-note){font-size:15px;line-height:1.65;margin-top:18px}}

/* v15: group portal entry points separately from support and legal links. */
.footer-v5 .footer-main{grid-template-columns:1.6fr repeat(4,1fr);gap:32px}
.footer-legal{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:24px;font-size:11px;color:var(--muted)}
@media(max-width:1100px){.footer-v5 .footer-main{grid-template-columns:repeat(4,1fr);gap:32px}.footer-v5 .footer-brand{grid-column:1/-1}}
@media(max-width:760px){.footer-v5 .footer-main{grid-template-columns:1fr 1fr;gap:35px 25px}.footer-legal{gap:12px 20px;font-size:11px}}

/* v16: refined guided-scroll affordance. */
.scroll-cue{display:flex;align-items:center;justify-content:center;gap:12px;width:max-content;max-width:100%;margin:25px auto 0;padding:7px 8px 7px 16px;border:1px solid #e7ddf3;border-radius:999px;background:#fff;color:#625570;font-size:12px;font-weight:600;letter-spacing:.15px;box-shadow:0 8px 26px #6e3ca012;transition:color .2s,border-color .2s,transform .2s,box-shadow .2s}
.scroll-cue:hover{color:var(--violet);border-color:#cbb0ef;transform:translateY(-2px);box-shadow:0 12px 28px #6e3ca01c}
.scroll-cue:focus-visible{outline:2px solid var(--violet);outline-offset:4px}
.scroll-cue-arrow{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:#f3eaff;color:var(--violet);animation:cueFloat 2.6s ease-in-out infinite}
.scroll-cue-arrow svg{width:17px;height:17px}
@keyframes cueFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(3px)}}
@media(prefers-reduced-motion:reduce){.scroll-cue-arrow{animation:none}}

/* v17: keep the learning-story headline and Zai in the normal page flow. */
.story-heading{position:static;top:auto}

/* v18: use a consistent vector icon for diagonal link actions. */
.diagonal-arrow{display:inline-block;vertical-align:-2px;width:16px;height:16px;margin-left:5px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none;transition:transform .2s}
a:hover .diagonal-arrow,button:hover .diagonal-arrow{transform:translate(2px,-2px)}
@media(prefers-reduced-motion:reduce){.diagonal-arrow{transition:none}}


/* V19: audience labels and clear footer links; base type sizes are unchanged. */
.site-header #main-nav{font-weight:600}
.parent-login{display:inline-flex;align-items:center;justify-content:center;border:1px solid #d7cbe6;border-radius:999px;padding:8px 13px;line-height:1.2}
.parent-login:hover{border-color:var(--violet);color:var(--violet)}
.faq-audiences{gap:28px}
.faq-audience{min-width:0}
.faq-audience h3{font-size:18px;letter-spacing:-.25px;margin:0 0 16px;color:var(--ink)}
.faq-audience details:last-child{border-bottom:1px solid var(--line)}
.footer-social{align-items:center}
.footer-social>p{font-weight:700;color:var(--ink)}
.social-link span{text-decoration:underline;text-decoration-color:#b8a2d4;text-underline-offset:4px}
.social-link:hover span{text-decoration-color:currentColor}
@media(max-width:760px){.faq-audiences{gap:32px}.faq-audience h3{font-size:17px}.footer-social{display:block}}


/* V20: a focused Zai walkthrough and clearer tour controls. */
.footer-entry .footer-try-now{font-size:12px;padding:12px 19px;color:#fff;border:0}
.footer-entry .footer-try-now:hover{color:#fff}
.footer-entry .footer-try-now .icon{width:16px;height:16px}
.social-icon-linkedin{width:25px;height:21px;object-fit:contain;flex:none}
.tour-tabs button:hover:not([aria-selected=true]){background:#f5effc;color:#572d91}
.tour-tabs button:focus-visible,.play-tour:focus-visible{outline:2px solid var(--violet);outline-offset:2px}
.tour-play-control{display:flex;flex-direction:column;align-items:flex-start;gap:1px;flex:none}
.tour-play-control small{font-size:9px;color:#8e819c;padding:0 8px 5px}
.play-tour{color:#5a456e;font-weight:600}
.play-tour:hover{color:var(--violet)}
.play-tour .pause-shape{display:none}
.play-tour[aria-pressed=true] .play-shape{display:none}
.play-tour[aria-pressed=true] .pause-shape{display:block}
.zai-guide{padding-bottom:70px}
.zai-guide-heading{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end;margin-bottom:28px}
.zai-guide-heading h2{margin:0}
.zai-guide-heading>p{max-width:500px;font-size:16px;line-height:1.8;color:var(--muted)}
.zai-demo{border:1px solid #e5d9f0;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 20px 50px #4833470d}
.zai-demo .upload-layout{min-height:350px}
.zai-demo-note{border-top:1px solid var(--line);padding:12px 22px;font-size:10px;color:#8e819c}
.zai-use-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:35px}
.zai-use-grid article{border-top:1px solid var(--line);padding-top:18px}
.zai-use-grid article>span{font-size:11px;color:#9a75c8}
.zai-use-grid h3{font-size:21px;letter-spacing:-.4px;margin-top:12px}
.zai-use-grid p{font-size:14px;line-height:1.75;color:var(--muted);margin-top:9px}
.zai-use-grid .text-link{display:inline-flex;margin-top:13px}
@media(max-width:760px){
 .footer-entry .footer-try-now{font-size:11px;padding:10px 14px}
 .tour-toolbar{align-items:flex-start}
 .tour-play-control{margin:4px 0 2px}
 .tour-play-control small{font-size:9px}
 .zai-guide{padding-bottom:55px}
 .zai-guide-heading{grid-template-columns:1fr;gap:12px}
 .zai-guide-heading>p{font-size:14px}
 .zai-use-grid{grid-template-columns:1fr;gap:24px;margin-top:28px}
 .zai-demo-note{padding:10px 14px}
}

/* V21: improve small supporting-text contrast without changing type size. */
.tour-play-control small,.tour-caption,.zai-demo-note{color:#5f536b}
.footer-v5 .footer-bottom,.footer-v5 .footer-bottom a,.footer-legal,.footer-legal a{color:#5f5665}

/* V22: Meet Zai has one clear hero and a compact demo introduction. */
.zai-focus-intro{grid-template-columns:minmax(0,1.45fr) minmax(280px,.75fr);gap:48px;align-items:center;padding-top:54px;padding-bottom:44px}
.zai-hero-copy{min-width:0}
.zai-hero-copy .eyebrow{margin-bottom:18px}
.zai-focus-intro h1{font-size:clamp(45px,4.2vw,68px);line-height:1.12;letter-spacing:-2.5px;max-width:850px}
.zai-hero-copy>p{font-size:17px;line-height:1.75;max-width:650px;margin-top:22px;color:var(--muted)}
.zai-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.zai-hero-actions .button{margin:0}
.zai-hero-art{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;align-self:center}
.zai-hero-orbit{display:grid;place-items:center;width:min(100%,350px);aspect-ratio:1.12;border-radius:50%;background:radial-gradient(circle,#f4eaff 0%,#f8f2ff 52%,transparent 72%)}
.zai-hero-orbit img{display:block;width:min(86%,300px);height:auto;max-height:280px;object-fit:contain;filter:drop-shadow(0 12px 16px #5e435a13)}
.zai-hero-art>span{font-size:12px;font-weight:600;color:#655071;margin-top:-12px;transform:rotate(-2deg)}
.zai-guide-heading{display:block;max-width:760px;margin-bottom:27px}
.zai-guide-heading .eyebrow{margin-bottom:10px}
.zai-guide-heading h2{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.7px;line-height:1.25}
.zai-guide-heading>p{font-size:14px;line-height:1.65;max-width:700px;margin-top:7px}
@media(max-width:760px){.zai-focus-intro{grid-template-columns:1fr;gap:12px;padding-top:36px;padding-bottom:36px}.zai-focus-intro h1{font-size:clamp(40px,9vw,50px);letter-spacing:-1.8px}.zai-hero-copy>p{font-size:14px;margin-top:18px}.zai-hero-actions{margin-top:20px}.zai-hero-art{margin-top:7px}.zai-hero-orbit{width:240px}.zai-hero-orbit img{max-height:220px}.zai-guide-heading h2{font-size:27px}.zai-guide-heading>p{font-size:13px}}

/* V23: a distinct, scripted completed-work review on Meet Zai. */
.marking-demo{margin-top:48px;border:1px solid #e5d9f0;border-radius:20px;background:#fff;box-shadow:0 20px 55px #4833470d;overflow:hidden}
.marking-demo-top{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 32px 24px;border-bottom:1px solid #ece5f3}
.marking-demo-top .eyebrow{margin-bottom:9px}
.marking-demo-top h3{font-size:24px;line-height:1.25;letter-spacing:-.5px}
.marking-demo-badge{flex:none;border-radius:999px;padding:8px 12px;background:#f2eafd;color:#7140b4;font-size:11px;font-weight:700}
.marking-demo-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:370px}
.marking-paper{margin:28px 0 28px 32px;padding:27px 28px;background:#fffefa;border:1px solid #e7e0d5;border-radius:12px;box-shadow:0 10px 25px #4a38200b;min-width:0}
.marking-paper-head{display:flex;justify-content:space-between;gap:12px;padding-bottom:15px;border-bottom:1px solid #e8e1d7;color:#746b7a;font-size:11px;font-weight:600}
.marking-question{font-size:17px;line-height:1.55;color:var(--ink);font-weight:600;margin:23px 0 25px;max-width:480px}
.marking-working{position:relative;border-top:1px dashed #ddd5c9;padding-top:17px}
.marking-working>span:first-child{display:block;font-size:11px;color:#786d7b;margin-bottom:12px}
.marking-working strong{display:block;font-family:Georgia,serif;font-size:29px;letter-spacing:.5px;color:#35313a;font-weight:600}
.marking-working p{font-family:Georgia,serif;font-size:18px;color:#35313a;margin-top:11px}
.marking-demo.is-marked .marking-incorrect{background:#fff0ed;color:#ba4c45;border-bottom:2px solid #d96056;border-radius:2px;transition:background .25s}
.marking-annotation{display:inline-block;margin-top:17px;padding:6px 10px;border-radius:7px;background:#fff0ed;color:#ad5148;font-size:11px;font-weight:700}
.marking-guidance{display:flex;flex-direction:column;margin:28px 32px 28px 22px;min-width:0;border:1px solid #e6ddf1;border-radius:12px;background:#faf7ff;overflow:hidden}
.marking-guidance-head{display:flex;align-items:center;gap:12px;background:#fff;padding:17px 21px;border-bottom:1px solid #eee7f5}
.marking-guidance-head img{width:38px;height:38px;object-fit:contain}
.marking-guidance-head strong{display:block;font-size:15px;color:var(--ink)}
.marking-guidance-head span{display:block;font-size:11px;color:#756a80;margin-top:2px}
.marking-guidance-body{padding:23px 24px;flex:1}
.marking-intro{font-size:15px;line-height:1.6;color:#5f526c}
.marking-feedback,.marking-next-step{margin-top:18px;background:#fff;border:1px solid #e8dff2;border-radius:12px;padding:16px 18px;animation:panelIn .3s ease both}
.marking-feedback-label{display:block;color:#7440bd;font-size:11px;font-weight:800;letter-spacing:.3px;text-transform:uppercase;margin-bottom:7px}
.marking-feedback p,.marking-next-step p{font-size:14px;line-height:1.65;color:#39303f}
.marking-next-step{background:#f3fff6;border-color:#d0ecd7}
.marking-next-step .marking-feedback-label{color:#287745}
.marking-actions{padding:0 24px 22px}
.marking-actions .button{font-size:12px;padding:12px 18px}
.marking-demo-note{border-top:1px solid #ece5f3;padding:13px 32px;color:#62566c;font-size:11px;line-height:1.5}
@media(max-width:760px){.marking-demo{margin-top:30px}.marking-demo-top{padding:22px 19px;align-items:flex-start;flex-direction:column;gap:12px}.marking-demo-top h3{font-size:21px}.marking-demo-grid{grid-template-columns:1fr}.marking-paper{margin:18px 18px 9px;padding:21px 19px}.marking-question{font-size:15px}.marking-guidance{margin:9px 18px 18px}.marking-guidance-body{padding:20px}.marking-demo-note{padding:12px 19px}}

/* V24: identify each product-page audience and place relevant questions there. */
.audience-intro-heading{min-width:0}
.audience-page-label{display:inline-block;margin-bottom:18px;color:#6b517e;font-size:12px;font-weight:700;letter-spacing:.9px}
.parent-focus-intro{align-items:center}
.educator-focus-intro{align-items:center;background:linear-gradient(115deg,#f8f3ff 0%,#fcf9ff 60%,#fffaf5 100%);border:1px solid #ece3f6;border-radius:24px;margin-top:44px;margin-bottom:26px;padding-top:42px;padding-bottom:42px}
.educator-focus-intro .audience-page-label{color:#7242b8}
.audience-faq .faq-single{display:block;max-width:820px}
.audience-faq .faq-audience h3{display:none}
.audience-faq .faq-audience details:last-child{border-bottom:1px solid var(--line)}
@media(max-width:760px){.audience-page-label{font-size:11px;margin-bottom:14px}.educator-focus-intro{margin-top:22px;margin-bottom:12px;border-radius:18px;padding-top:28px;padding-bottom:30px}.audience-faq .faq-single{max-width:none}}
/* Localized pages and migrated pricing/legal content use the existing design tokens. */
html[lang="zh-CN"] body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3{letter-spacing:0;line-height:1.3}
html[lang="zh-CN"] .hero h1{font-size:clamp(36px,4.6vw,64px)}
html[lang="zh-CN"] .nav-wrap nav{gap:22px}
.legal-content{max-width:980px}.legal-content h1{font-size:clamp(36px,5vw,58px);margin:24px 0}
.legal-content h2{font-size:26px;letter-spacing:0;margin:0 0 18px}.legal-content section{margin:36px 0}
.legal-content p,.legal-content li{margin:12px 0;color:var(--muted);line-height:1.8}.legal-content a{color:var(--violet);text-decoration:underline}.legal-note{padding:16px 22px;background:var(--lavender);border-radius:18px}
.pricing-page{padding-top:72px;padding-bottom:110px;background:radial-gradient(ellipse at 93% 5%,#eee1ff9c,transparent 38%),var(--page)}
.pricing-hero{max-width:830px}
.pricing-hero h1{font-size:clamp(42px,5vw,68px);line-height:1.08;letter-spacing:-2.5px}
.pricing-hero>p{max-width:710px;margin-top:22px;font-size:18px;line-height:1.7}
.pricing-billing{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:52px}
.pricing-billing strong{font-size:16px}.pricing-billing .actions{margin:0}
.billing-options{gap:7px;padding:5px;border:1px solid var(--line);border-radius:100px;background:#fff}
.billing-options .button{padding:10px 19px;border:0;box-shadow:none}
.pricing-plans{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:22px 0 0}
.plan-card{border:1px solid var(--line);border-radius:28px;padding:36px;background:#fff;display:flex;flex-direction:column;gap:0;box-shadow:0 18px 45px #3b225509;transition:transform .25s,box-shadow .25s}
.plan-card:hover{transform:translateY(-4px);box-shadow:0 24px 50px #3b225514}
.plan-card.featured{background:linear-gradient(160deg,#f2eaff,#fff 78%);border-color:#cbb0ef}
.plan-tag{align-self:flex-start;padding:5px 12px;border-radius:20px;background:#f5f0fa;color:#694387;font-size:12px;font-weight:700}
.plan-card.featured .plan-tag{background:#e5d6fb;color:#6530a5}
.plan-card h2{font-size:34px;letter-spacing:-1px;margin-top:18px}
.plan-price{font-size:46px;font-weight:700;color:var(--ink);line-height:1.2;margin-top:12px}
.plan-price small{font-size:15px;font-weight:500;color:var(--muted)}
.plan-billing{font-size:13px;margin-top:3px;min-height:20px}
.plan-card:not(.featured) .plan-description{margin-top:33px}
.plan-description{font-size:15px;line-height:1.6;margin-top:14px}
.plan-highlights{list-style:none;padding:0;margin:23px 0 30px;display:grid;gap:14px}
.plan-highlights li{position:relative;padding-left:27px;line-height:1.5;font-size:15px}
.plan-highlights li:before{content:'✓';position:absolute;left:0;top:0;color:var(--violet);font-weight:800}
.plan-card .button{align-self:flex-start;margin-top:auto}
.pricing-trial-note{margin:18px 0 0;font-size:14px}
.pricing-comparison{padding-top:96px}
.pricing-comparison h2,.pricing-coming h2,.pricing-faq h2,.pricing-educators h2{font-size:clamp(30px,3.5vw,46px);letter-spacing:-1.5px;margin-top:10px}
.pricing-comparison>p{max-width:780px;margin-top:14px;font-size:15px}
.pricing-table-wrap{margin-top:30px;border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden}
.pricing-table{width:100%;border-collapse:collapse;font-size:15px}
.pricing-table thead{background:#f0e8fd}.pricing-table th,.pricing-table td{padding:22px 25px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.pricing-table tr:last-child th,.pricing-table tr:last-child td{border-bottom:0}
.pricing-table th:first-child{width:48%}.pricing-table thead th{font-size:14px}
.pricing-table tbody th{font-weight:650}.pricing-table tbody th p{font-weight:400;font-size:13px;line-height:1.55;margin-top:5px}
.pricing-table td:last-child{color:#5f2dad;font-weight:650}
.pricing-coming{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start;margin-top:92px;padding:40px 44px;border-radius:26px;background:#fff8f2;border:1px solid #f3e3d4}
.pricing-coming p{margin-top:15px;font-size:15px}
.pricing-coming ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.pricing-coming li{padding:14px 18px;border:1px solid #f0ded0;background:#fff;border-radius:14px;font-weight:600;font-size:15px}
.pricing-faq{margin-top:96px}.pricing-faq-list{margin-top:25px;border-top:1px solid var(--line)}
.pricing-faq details{border-bottom:1px solid var(--line);padding:19px 4px}
.pricing-faq summary{cursor:pointer;font-size:17px;font-weight:600}.pricing-faq details p{max-width:780px;padding-top:12px;font-size:15px}
.pricing-educators{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-top:90px;padding:35px 42px;border:1px solid #dfd0f2;border-radius:25px;background:#f2eaff}
.pricing-educators p{max-width:720px;font-size:15px;margin-top:12px}.pricing-educators .button{flex:none}
.contact-trap{position:absolute!important;left:-10000px;width:1px;height:1px;opacity:0}button:disabled{cursor:wait;opacity:.65}#form-status{padding:16px;border-radius:14px;background:#fff}#form-status[data-state=success]{color:#236345;background:#edf8f0}#form-status[data-state=error]{color:#a43131;background:#fff0f0}
@media(max-width:900px){.pricing-plans{grid-template-columns:1fr}.pricing-billing{align-items:flex-start;flex-direction:column}.pricing-coming{grid-template-columns:1fr;gap:25px}.pricing-educators{align-items:flex-start;flex-direction:column}}
@media(max-width:760px){.pricing-page{padding-top:43px;padding-bottom:75px}.pricing-hero h1{font-size:clamp(37px,8vw,52px);letter-spacing:-1.6px}.pricing-hero>p{font-size:16px}.pricing-billing{margin-top:34px}.billing-options .button{padding:9px 14px;font-size:13px}.plan-card{padding:26px}.plan-price small{display:block}.pricing-comparison{padding-top:70px}.pricing-table-wrap{background:transparent;border:0;border-radius:0;overflow:visible}.pricing-table,.pricing-table tbody{display:block}.pricing-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.pricing-table tr{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:13px;overflow:hidden}.pricing-table th:first-child{width:auto}.pricing-table tbody th{grid-column:1/-1;background:#f9f5ff}.pricing-table th,.pricing-table td{padding:14px 17px;border-bottom:0}.pricing-table td{font-size:14px}.pricing-table td:last-child{border-left:1px solid var(--line)}.pricing-table td:before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);font-weight:600;margin-bottom:5px}.pricing-coming{margin-top:65px;padding:27px 24px}.pricing-faq{margin-top:70px}.pricing-educators{margin-top:65px;padding:29px 25px}.legal-content h2{font-size:22px}.legal-content{overflow-wrap:anywhere}}

/* Parent workflow uses the existing type scale. */
.parent-workflow{background:#faf8ff}.parent-workflow .section-heading>p{max-width:680px;margin-top:20px;color:var(--muted);line-height:1.8}.parent-workflow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:40px}.parent-workflow-grid article{border-top:1px solid #ded4eb;padding-top:24px}.parent-workflow-grid h3{font-size:24px;line-height:1.25;margin-bottom:18px}.parent-workflow-grid p{font-size:15px;line-height:1.8;color:var(--muted)}.parent-workflow-extra{margin-top:16px}@media(max-width:900px){.parent-workflow-grid{grid-template-columns:1fr;gap:28px}}

/* About page: shared brand styling, footer entry point. */
.about-hero{padding:54px 0 64px}.about-hero h1{font-size:clamp(44px,5vw,68px);margin-top:18px}.about-hero .hero-copy>p{margin-top:26px}.about-hero .hero-intro{gap:60px}
.about-body{padding-top:32px}.about-contact{padding-bottom:90px}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.about-card{padding:36px;background:#fff;border:1px solid var(--line);border-radius:24px}
.about-number{color:var(--violet);font-size:13px;font-weight:600}
.about-card h2{margin:18px 0;font-size:30px;letter-spacing:-.8px;line-height:1.2}
.about-card p,.about-feature p,.about-company p{font-size:17px;line-height:1.85}
.about-feature{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;border-bottom:1px solid var(--line);padding:58px 0}
.about-feature h2,.about-company h2{font-size:clamp(28px,3vw,40px);letter-spacing:-1px;line-height:1.2}
.about-company{padding:42px;border-radius:24px;background:var(--lavender)}
.about-company p{margin-top:20px;max-width:800px}
.about-company .actions{align-items:center}.about-company .actions .text-link{margin-top:0}
.about-policy-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:28px;font-size:13px;color:var(--muted)}
.about-policy-links a:hover{text-decoration:underline}
@media(max-width:760px){.about-hero{padding:42px 0}.about-hero .hero-intro{gap:30px}.about-hero h1{font-size:40px;letter-spacing:-1.6px}.about-hero p{font-size:16px}.about-zai{max-width:220px}.about-cards{grid-template-columns:1fr;gap:18px}.about-card{padding:27px}.about-card h2{font-size:26px}.about-feature{grid-template-columns:1fr;gap:18px;padding:38px 0}.about-card p,.about-feature p,.about-company p{font-size:16px}.about-company{padding:28px;margin-top:38px}.about-body{padding-bottom:60px}}
