@charset "UTF-8";
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@media(min-width:1500px){.hero{padding:70px 0 80px}.hero-visual{height:560px}.hero h1{font-size:67px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.nav{gap:22px}.hero{gap:25px}.hero h1{font-size:49px}.hero-visual{height:480px}.phone-welcome{width:196px;height:400px;left:0}.phone-learning{width:200px;height:410px;right:0}.welcome-copy strong{font-size:27px}.welcome-copy .daily-word{font-size:25px}.mascot-garden{height:215px}.phone-section-title{font-size:16px}.homework-card{height:78px;padding:9px 5px}.homework-card b{font-size:10px}.phone-progress{margin-top:14px}.floating-note{left:55px;bottom:0}.visual-caption{bottom:-32px}.principle{font-size:13px;gap:8px}.split{gap:45px}.section{padding:80px 0}.feature{padding:23px}.path-art{gap:14px}.path-node{padding:8px 10px}.plan-card{padding:23px}.journey{padding:40px}.journey-steps{gap:22px}.faq-layout{gap:50px}.article-layout{gap:35px;grid-template-columns:minmax(0,1fr) 190px}}
@media(max-width:850px){.site-header{height:85px}.nav{gap:18px;font-size:12px}.nav .button{padding:10px 16px;min-height:43px;margin-left:0;font-size:12px}.hero{grid-template-columns:1fr 1fr;padding-top:35px;gap:10px}.hero h1{font-size:38px;letter-spacing:-1.8px}.hero-description{font-size:14px;max-width:310px}.hero-visual{height:420px}.phone-welcome{width:165px;height:340px;left:-3px;top:32px;border-radius:29px;padding:5px}.phone-learning{width:170px;height:350px;right:-2px;top:56px;border-radius:29px;padding:5px}.phone-screen{border-radius:22px}.island{width:62px;height:15px}.welcome-copy{margin-top:29px}.welcome-copy strong{font-size:23px}.welcome-copy .daily-word{font-size:21px}.mascot-garden{height:185px}.phone-status{font-size:7px;padding:8px 12px}.phone-hello{margin:24px 9px 8px;font-size:8px;gap:5px}.hello-icon{width:24px;height:24px}.phone-hello small{font-size:6px}.phone-hello .grid-icon{font-size:16px}.course-panel{padding:9px;margin:8px}.course-panel strong{font-size:13px}.course-panel small,.course-panel .course-bottom{font-size:7px}.phone-section-title{font-size:13px;margin-top:14px}.phone-section-sub{font-size:6px}.homework-deck{margin:10px 8px;gap:4px}.homework-card{height:65px;border-radius:8px;padding:7px 4px}.homework-card b{font-size:9px}.homework-card small{font-size:6px}.homework-card span{font-size:6px;bottom:6px;left:4px}.phone-progress{font-size:7px;margin:10px 8px;padding:9px}.phone-home{bottom:7px;width:50px;height:3px}.floating-note{font-size:10px;padding:7px 13px;left:34px;bottom:-2px}.visual-caption{font-size:9px}.hero-actions{gap:13px;flex-wrap:wrap}.hero-actions .button{padding:11px 17px;font-size:12px}.hero-actions .text-link{font-size:12px}.hero-footnote{font-size:10px;gap:7px}.principles-intro{display:none}.principles{gap:10px}.principle{font-size:12px}.principle-icon{width:25px;height:25px;font-size:14px}.section-heading{gap:30px}.section-heading p{max-width:270px;font-size:13px}.feature-grid{gap:13px}.feature{padding:20px;min-height:345px}.feature h3{font-size:18px}.feature p{font-size:12px}.path-art{gap:8px}.path-node{padding:7px 6px;font-size:10px}.path-node:not(:last-child):after{left:100%;top:9px;font-size:10px}.hint-bubble{padding:7px 9px;font-size:10px;margin-left:0}.hint-bubble:last-child{margin-right:0}.graph-art{width:150px;max-width:100%}.split{gap:30px}.split-copy h2{font-size:31px}.split-copy>p{font-size:13px}.plan-card{padding:19px}.plan-tabs button{font-size:10px;padding:8px 4px}.plan-grid{gap:6px}.plan-tile{padding:10px 2px;border-radius:9px}.plan-tile b{font-size:17px}.plan-tile span{font-size:9px}.plan-summary{font-size:10px}.plan-detail{font-size:11px}.demo-board{padding:23px;min-height:345px}.demo-question h3{font-size:18px}.fraction-counter{font-size:31px}.fraction-grid{gap:7px}.fraction-cell{height:65px}.journey{padding:35px}.journey-heading h2{font-size:28px}.journey-heading p{font-size:12px;max-width:220px}.journey-steps{gap:18px}.journey-step h3{font-size:15px}.journey-step p{font-size:11px}.reading-grid{gap:18px}.reading-card h3{font-size:17px}.reading-card p{font-size:12px}.reading-art{height:150px}.faq-layout{grid-template-columns:.65fr 1.35fr;gap:35px}.closing{padding:40px}.closing .button{font-size:12px;padding:12px 18px}.footer-links{gap:23px}.article-layout{grid-template-columns:1fr}.article-toc{display:none}}
@media(max-width:650px){.wrap{width:calc(100% - 40px)}.site-header{height:78px}.brand{font-size:25px}.brand svg{width:34px;height:34px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:20px;right:20px;top:66px;background:var(--white);border:1px solid var(--line);padding:20px;border-radius:18px;box-shadow:0 12px 30px #20251e12;font-size:14px}.nav.is-open{display:flex;align-items:stretch;flex-direction:column;gap:18px}.nav .button{margin:0}.hero{grid-template-columns:1fr;padding:34px 0 40px;gap:35px}.hero .eyebrow{font-size:11px;margin-bottom:20px}.hero h1{font-size:clamp(34px,9.7vw,54px);letter-spacing:-2px}.hero-description{font-size:14px;max-width:390px;margin-top:22px}.hero-actions{margin-top:25px;gap:22px}.hero-actions .button{font-size:13px;min-height:47px;padding:11px 22px}.hero-actions .text-link{font-size:13px}.hero-footnote{font-size:10px;margin-top:22px}.hero-visual{height:445px;max-width:390px;width:100%;margin:0 auto 25px}.visual-backdrop{inset:15px 1px 5px}.phone-welcome{width:181px;height:363px;left:5px;top:25px}.phone-learning{width:184px;height:377px;right:5px;top:55px}.phone-screen{border-radius:23px}.welcome-copy{margin-top:28px}.welcome-copy strong{font-size:25px}.welcome-copy .daily-word{font-size:23px}.mascot-garden{height:206px}.phone-hello{font-size:9px;margin:26px 10px 9px}.phone-hello small{font-size:7px}.course-panel{padding:10px;margin:10px}.course-panel strong{font-size:14px}.phone-section-title{font-size:15px}.phone-section-sub{font-size:7px}.homework-card{height:72px}.homework-card b{font-size:10px}.homework-card small{font-size:6px}.phone-progress{margin:13px 9px;padding:10px}.floating-note{bottom:1px;left:73px}.visual-caption{bottom:-22px}.sparkle{font-size:42px;right:-7px;bottom:50px}.visual-orbit{width:80px;height:80px;right:0;top:20px}.principles{display:grid;grid-template-columns:1fr 1fr;gap:18px 12px;padding:25px 0}.principle{font-size:12px;gap:9px}.section{padding:65px 0}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:31px}.section-heading p{max-width:100%;margin-top:18px;font-size:13px}.eyebrow{font-size:10px;margin-bottom:16px}.feature-grid{grid-template-columns:1fr;gap:15px}.feature{padding:25px;min-height:0}.feature h3{font-size:22px}.feature p{font-size:13px;max-width:100%;margin-top:12px}.feature-num{margin-bottom:15px}.feature-art{height:85px;margin-top:21px}.path-art{gap:26px;padding-top:10px}.path-node{font-size:12px;padding:10px 15px}.path-node:not(:last-child):after{left:calc(100% + 8px);top:9px;font-size:14px}.hint-art{height:95px}.hint-bubble{font-size:12px;padding:8px 15px;margin-left:12px}.hint-bubble:last-child{margin-right:12px}.graph-art{height:95px;width:200px}.split,.demo-section .split{grid-template-columns:1fr;gap:38px}.split-copy h2{font-size:32px}.split-copy>p{font-size:14px}.number-row{margin-top:15px}.number-row b{font-size:58px}.number-row span{font-size:14px}.small-note{font-size:10px!important}.plan-card{padding:22px;box-shadow:5px 5px 0 #d9e3cc}.plan-card-header h3{font-size:17px}.plan-tabs button{font-size:11px;padding:8px 4px}.plan-grid{gap:7px}.plan-tile{padding:12px 3px}.plan-tile b{font-size:20px}.plan-tile span{font-size:10px}.plan-summary{font-size:11px}.plan-detail{font-size:12px;min-height:44px}.demo-section .demo-board{order:2;margin-top:9px}.demo-section .split-copy{order:1}.demo-board{padding:25px;min-height:360px}.demo-question h3{font-size:20px}.fraction-cell{height:74px}.fraction-counter{font-size:36px}.demo-feedback{font-size:12px;min-height:65px}.journey{padding:30px 24px;border-radius:23px}.journey-heading{display:block}.journey-heading h2{font-size:28px;line-height:1.45}.journey-heading p{font-size:13px;max-width:100%;margin-top:17px}.journey-steps{grid-template-columns:1fr 1fr;gap:28px 22px;margin-top:32px}.journey-step h3{font-size:16px}.journey-step p{font-size:12px}.journey-step .step-number{padding-bottom:12px}.journey-step:nth-child(2):after{display:none}.reading-grid{grid-template-columns:1fr;gap:32px}.reading-art{height:180px;margin-bottom:19px}.reading-card h3{font-size:21px}.reading-card p{font-size:13px}.reading-category{font-size:10px}.reading-bottom{font-size:12px}.learn-section{padding-top:65px}.faq-section{padding:65px 0}.faq-layout{grid-template-columns:1fr;gap:27px}.faq-intro h2{font-size:31px}.faq-intro p{max-width:100%;font-size:13px;margin-top:14px}.faq-list summary{font-size:13px;padding:19px 26px 19px 0}.faq-list details p{font-size:12px}.closing{display:block;padding:34px 26px;border-radius:23px}.closing h2{font-size:30px;line-height:1.4}.closing p{font-size:13px;margin-top:18px}.closing .button{margin-top:24px;padding:12px 23px;min-height:46px;font-size:13px}.closing:after{font-size:190px;right:-40px;top:60px}.site-footer{padding-top:37px}.footer-top{flex-direction:column;gap:25px;padding-bottom:26px}.footer-links{gap:24px;flex-wrap:wrap;font-size:12px}.footer-bottom{font-size:10px;flex-direction:column;gap:8px}.article-header{margin-top:25px;padding-bottom:30px}.article-header h1{font-size:34px;letter-spacing:-1px}.article-header .article-lead{font-size:15px}.breadcrumbs{font-size:11px;margin-bottom:26px}.article-layout{padding-top:32px;padding-bottom:40px}.article-body h2{font-size:24px;margin-top:32px}.article-body p{font-size:14px}.article-body li{font-size:14px}.article-callout{padding:18px}.article-callout p{font-size:13px}.related-reading{padding-bottom:45px}.related-links{gap:10px}.related-links a{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(max-width:650px){.hero-visual .visual-backdrop{transform:rotate(-7deg) scale(.92)}.phone-welcome{left:14px}.phone-learning{right:14px}}
@media(min-width:651px) and (max-width:850px){.hero-visual .visual-backdrop{transform:rotate(-7deg) scale(.94)}.hero-visual .visual-orbit{right:10px}}
.footer-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;text-align:right}.footer-bottom .icp-link{font-size:11px;text-decoration:none;white-space:nowrap}.footer-bottom .icp-link:hover{text-decoration:underline}@media(max-width:650px){.footer-meta{align-self:flex-end}}

/* Three little companions are part of each section heading. */
.title-faces{display:flex;width:max-content;margin-bottom:14px;padding-left:4px;font-size:16px;line-height:1.75;letter-spacing:0;font-weight:400}.title-faces .mini-face{flex-shrink:0}.journey .title-faces .mini-face{border-color:var(--ink)}@media(max-width:650px){.title-faces{margin-bottom:12px}}

.hero-subtitle{margin-top:18px;font-size:clamp(20px,2vw,26px);font-weight:500;line-height:1.6;letter-spacing:-.5px;color:var(--ink);white-space:nowrap}@media(max-width:850px){.hero-subtitle{font-size:clamp(16px,2.6vw,20px)}}@media(max-width:650px){.hero-subtitle{margin-top:16px;font-size:clamp(16px,4.55vw,20px);line-height:1.65}}

/* Emphasize the four product strengths with bold Chinese sans-serif type. */
.principles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:32px 0;border-color:#bdc4ae}
.principle{min-width:0;gap:12px;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","SimHei",sans-serif;font-size:clamp(18px,1.45vw,22px);font-weight:800;line-height:1.5;letter-spacing:0;color:var(--ink)}
.principle-label{min-width:0}
.principle-icon{flex:0 0 36px;width:36px;height:36px;border:0;font-family:inherit;font-size:20px;font-weight:700;background:var(--mint)}
.principle:nth-child(2) .principle-icon{background:var(--peach)}
.principle:nth-child(3) .principle-icon{background:var(--pink)}
.principle:nth-child(4) .principle-icon{background:var(--green)}
@media(max-width:1100px){.principles{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 32px}.principle{font-size:20px}}
@media(max-width:650px){.principles{grid-template-columns:1fr;gap:20px;padding:28px 0}.principle{gap:14px;font-size:19px}.principle-icon{flex-basis:34px;width:34px;height:34px;font-size:19px}}

.hero-values{max-width:440px;margin-top:20px;padding-left:14px;border-left:3px solid var(--green);font-size:15px;line-height:1.85;color:var(--ink)}.hero-values-label{display:block;margin-bottom:4px;font-size:12px;font-weight:700;letter-spacing:1px;color:var(--muted)}@media(max-width:650px){.hero-values{margin-top:18px;font-size:14px}}

.hero-description{text-wrap:balance}

/* A dedicated closing section explains the product values. */
.closing.values-section{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.closing.values-section{isolation:isolate}
.closing.values-section:before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(58,82,29,.065) 1px,transparent 1px),linear-gradient(90deg,rgba(58,82,29,.065) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(115deg,transparent 10%,#000 75%)}
.closing.values-section:after{display:block;right:-18px;top:-60px;font-size:300px;line-height:1;color:rgba(76,105,35,.12);transform:rotate(-10deg);z-index:0;pointer-events:none;user-select:none}
@media(max-width:650px){.closing.values-section:before{background-size:24px 24px}.closing.values-section:after{right:-28px;top:-36px;font-size:210px}}
.values-intro,.values-list{position:relative;z-index:1}
.closing .values-eyebrow{margin:0 0 14px;font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink)}
.closing .values-intro>p:last-child{max-width:430px;line-height:1.9}
.values-list{list-style:none;margin:0;padding:0}
.values-list li{display:grid;grid-template-columns:28px 1fr;gap:14px;padding:20px 0;border-top:1px solid #a8c76d}
.values-list li:first-child{padding-top:0;border-top:0}
.values-list li:last-child{padding-bottom:0}
.value-number{font-family:Georgia,serif;font-size:16px;line-height:1.6;color:#4f603d}
.values-list h3{font-size:19px;line-height:1.4}
.closing .values-list p{margin-top:6px;font-size:14px;line-height:1.8}
@media(max-width:850px){.closing.values-section{gap:32px}}
@media(max-width:650px){.closing.values-section{grid-template-columns:1fr;gap:28px}.values-list li{padding:18px 0}.closing .values-list p{font-size:13px}.closing .values-eyebrow{margin-bottom:12px}}

.number-row.daily-motto{display:block;margin-top:24px}
.daily-motto .daily-motto-title{display:flex;align-items:baseline;gap:2px;margin:0;font-size:18px;font-weight:700;line-height:1.5;color:var(--ink)}
.daily-motto-title strong{margin:0 4px;font-size:56px;font-weight:800;line-height:1;letter-spacing:-2px}
.daily-motto .daily-motto-detail{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted)}
@media(max-width:650px){.daily-motto .daily-motto-title{font-size:16px}.daily-motto-title strong{font-size:48px}.daily-motto .daily-motto-detail{font-size:13px}}

.hero-values-copy{display:block;text-wrap:balance}

.daily-motto .daily-motto-detail{color:var(--ink);font-weight:500;line-height:2}
.motto-highlight{position:relative;isolation:isolate;display:inline-block;padding:0 2px;font-weight:700}
.motto-highlight:after{content:"";position:absolute;z-index:-1;left:0;right:0;bottom:.12em;height:.55em;border-radius:45% 15% 35% 15%;transform:rotate(-2deg);background:var(--green);pointer-events:none}
.motto-highlight-discovery:after{background:var(--pink);transform:rotate(1deg)}

.math-figure-title{white-space:nowrap}
#how-it-works .journey-heading{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:48px}
#how-it-works .journey-heading p{max-width:460px;font-size:14px;line-height:1.9}
#how-it-works .journey-heading p a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:850px){#how-it-works .journey-heading{gap:28px}#how-it-works .journey-heading p{font-size:13px}}
@media(max-width:650px){#how-it-works .journey-heading{grid-template-columns:1fr;gap:16px}#how-it-works .journey-heading p{margin-top:0}}

/* Preserve the shared logo and pair it with a short horizontal product title. */
.footer-top{flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:14px;flex:1 1 auto;min-width:0}
.footer-brand>.brand{flex:0 0 auto}
.footer-brand .footer-title{display:block;margin:0;font-size:24px;font-weight:800;line-height:1.4;letter-spacing:-.5px;color:var(--ink);white-space:nowrap}
@media(max-width:650px){.footer-brand{flex:initial;width:100%;gap:12px}.footer-brand .footer-title{font-size:22px}}

/* Expand domestic and international curriculum examples without changing the graph card. */
.feature-track{display:flex;flex-direction:column}
.track-details{margin:20px 0 0;padding:0}
.track-details>div+div{margin-top:16px}
.track-details dt{font-size:12px;font-weight:800;color:var(--ink);margin-bottom:5px}
.track-details dd{margin:0;font-size:13px;line-height:1.85;color:var(--muted)}
.feature-track .track-art{height:auto;min-height:38px;display:flex;align-items:center;flex-wrap:wrap;gap:7px;padding-top:22px;margin-top:auto}
.track-art span{display:inline-block;border:1px solid #b8c0ad;border-radius:9px;padding:6px 10px;background:var(--white);font-size:11px;font-weight:700;line-height:1.4}
.track-art span:first-child{background:var(--green)}
.track-art i{font-size:14px;font-style:normal;color:var(--muted)}
@media(max-width:850px){.track-details dd{font-size:12px}.track-art span{padding:5px 7px;font-size:10px}}
@media(max-width:650px){.track-details dd{font-size:13px}.track-details dt{font-size:12px}.track-art span{padding:6px 10px;font-size:11px}}

.feature-knowledge{display:flex;flex-direction:column}.feature-knowledge .graph-art{width:180px;max-width:100%;height:90px;padding-top:14px;margin:auto auto 0}



.brand-wordmark{position:relative;display:inline-block;isolation:isolate}.brand .brand-backdrop{position:absolute;z-index:-1;left:50%;top:50%;width:calc(126.315789% + 10.105263px);height:auto;transform:translate(-50%,-50%);pointer-events:none}.brand-name{position:relative}

/* SVG lettering inherits the original wordmark metrics; hidden text reserves its exact size. */
.brand .brand-name{visibility:hidden}
.brand .brand-lettering{position:absolute;inset:0;width:100%;height:100%;overflow:visible;clip-path:inset(-.5em 0 -.5em 0);pointer-events:none;font:inherit;letter-spacing:inherit}
.brand-letters{fill:var(--ink);transform:translateX(0)}
.brand-eye-pair{opacity:0}.brand-eyes text{font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:20.076923px;font-weight:400;letter-spacing:2.230769px}
@media(hover:hover) and (pointer:fine){
 .brand:hover .brand-letters{animation:brand-run-right .25s cubic-bezier(.3,0,.7,1) forwards}
 .brand:hover .brand-eye-pair{animation:brand-eye-appear 1ms steps(1,end) forwards}
 .brand:hover .brand-eye-pair:nth-child(1){animation-delay:.28s}
 .brand:hover .brand-eye-pair:nth-child(2){animation-delay:.48s}
 .brand:hover .brand-eye-pair:nth-child(3){animation-delay:.68s}
}
@keyframes brand-run-right{to{transform:translateX(115%)}}
@keyframes brand-eye-appear{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:reduce){.brand:hover .brand-letters{animation:none;opacity:0}.brand:hover .brand-eye-pair{animation:none;opacity:1}}
/* Match each value heading to its corresponding brand dot. */
.values-list h3{display:inline-block;position:relative;isolation:isolate}
.values-list h3::after{content:"";position:absolute;left:0;right:0;bottom:0;height:7px;border-radius:50% 20% 35% 15%;background:var(--value-underline);z-index:-1;transform:rotate(-1.5deg)}
.values-list li:nth-child(1){--value-underline:#91d8d5}
.values-list li:nth-child(2){--value-underline:#f6b9d1}
.values-list li:nth-child(3){--value-underline:#c5ef79}