:root{--paper:#f7f4ee;--white:#fcfaf6;--ink:#143d2e;--sage:#5c765e;--gold:#d4af6a;--muted:#606e62;--line:#143d2e26;--background:var(--paper);--foreground:var(--ink);--primary:var(--ink);--primary-foreground:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3,.serif-note{font-family:'Songti SC','STSong','Noto Serif CJK SC',serif}h1,h2,h3{font-weight:600}p{text-wrap:pretty}h2{font-size:clamp(32px,3.4vw,48px);line-height:1.45;letter-spacing:.025em}h3{font-size:27px;line-height:1.5}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,textarea:focus-visible{outline:3px solid #b4812d;outline-offset:5px}a:hover{color:var(--sage)}[hidden]{display:none!important}.skip-link{position:fixed;top:-80px;left:16px;z-index:100;background:var(--ink);color:white;padding:12px 20px}.skip-link:focus{top:12px}
.site-header{position:relative;z-index:20;min-height:104px;margin:auto;padding:16px 0;max-width:1280px;width:calc(100% - 96px);display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;flex-shrink:0}.brand img{border-radius:10px;mix-blend-mode:multiply}.brand>span{font:600 25px/1.35 'Songti SC',STSong,serif;letter-spacing:.1em}.brand small{display:block;font:10px/1.6 Georgia,serif;letter-spacing:.025em}.desktop-nav{display:flex;align-items:center;justify-content:flex-end;gap:30px;flex:1;font-size:14px}.desktop-nav a{padding:12px 0}.header-cta{border:1px solid var(--ink);padding:10px 19px;font-size:14px;white-space:nowrap}.header-cta span{padding-left:10px}.menu-toggle{display:none;border:0;background:transparent;color:var(--ink);padding:10px}.mobile-nav{position:absolute;top:100%;left:0;right:0;background:var(--white);border:1px solid var(--line);padding:15px 24px;box-shadow:0 15px 25px #143d2e0d}.mobile-nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}.mobile-nav a:last-child{border:0}
.hero{position:relative;display:grid;grid-template-columns:1fr 1fr;min-height:660px;max-width:1440px;margin:auto;align-items:center;padding:90px 5.55% 65px;overflow:hidden}.hero-copy{position:relative;z-index:2;width:600px;max-width:calc(100vw - 48px)}.eyebrow,.section-label{font-size:12px;letter-spacing:.12em;font-weight:500}.eyebrow{color:var(--sage)}.sun-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--gold);margin-right:10px}.hero h1{font-size:clamp(42px,4.5vw,65px);line-height:1.45;margin:24px 0;letter-spacing:.015em}.hero h1 em{font-style:normal;color:var(--sage)}.hero-lead{color:var(--muted);font-size:16px;line-height:2}.actions{display:flex;align-items:center;gap:30px;margin-top:33px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:52px;padding:11px 24px;border:1px solid var(--ink);font-size:14px;border-radius:3px}.primary{color:var(--paper);background:var(--ink)}.primary:hover{background:#2e5844;color:white}.text-link{display:inline-flex;align-items:center;gap:24px;padding:10px 0 5px;border:0;border-bottom:1px solid var(--line);background:transparent;font-size:14px;color:var(--ink);width:fit-content}.hero-values{margin-top:50px;color:var(--sage);font-size:13px;letter-spacing:.23em}.hero-art{position:absolute;right:0;bottom:0;width:65%;height:100%;display:flex;align-items:center;z-index:0}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:right center;mix-blend-mode:multiply;mask-image:linear-gradient(90deg,transparent,#000 22%)}.hero-art figcaption{position:absolute;right:48px;bottom:28px;text-align:right;color:var(--ink);font-size:12px;background:#f7f4eede;padding:9px 14px}.hero-art figcaption small{display:block;font-size:10px;color:var(--muted)}.intro-strip{display:flex;align-items:center;justify-content:center;gap:7%;padding:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.intro-strip b{font:normal 29px Georgia,serif;color:var(--ink);margin-right:8px}.intro-strip i{font-style:normal;color:#b89555;margin:0 10px}
.section{padding:95px max(6%,calc((100% - 1160px)/2))}.section-label{color:var(--sage);margin-bottom:32px}.section-heading{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px;margin-bottom:42px}.section-heading>p,.section-heading>div>p{font-size:16px;color:var(--muted);line-height:2}.section-heading .serif-note{font-size:23px;margin-top:18px;color:var(--ink);letter-spacing:.12em}.values-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);padding-top:29px;gap:24px}.values-grid span{font:26px 'Songti SC',STSong,serif}.values-grid p{font-size:13px;margin-top:14px;color:var(--muted)}.about{background:var(--white)}.architecture{background:#eeeee5}.mother-brand{display:flex;align-items:center;justify-content:center;gap:15px;padding:16px;border:1px solid var(--line);border-radius:5px;background:var(--paper);margin:0 auto 38px;width:fit-content;min-width:390px;position:relative}.mother-brand strong{font:600 22px 'Songti SC',STSong,serif}.mother-brand>span:last-child{font:11px Georgia,serif}.mother-brand:after{content:'';position:absolute;left:50%;top:100%;height:39px;border-left:1px solid #9eac97}.brand-grid{display:grid;grid-template-columns:1.12fr 1fr 1fr;gap:20px}.brand-card{display:flex;flex-direction:column;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-top:3px solid #829283;border-radius:5px;padding:28px;position:relative}.brand-card.study{border-top-color:var(--ink);box-shadow:0 12px 25px #143d2e08}.brand-card.innovation{border-top-color:var(--gold)}.card-top{display:flex;justify-content:space-between;gap:12px;width:100%;font-size:11px;color:var(--muted)}.card-top>span:first-child{font:16px Georgia,serif;color:#92763e}.brand-card>img{margin:27px 0 15px;mix-blend-mode:multiply;border-radius:8px}.brand-card h3{font-size:28px}.card-motto{margin:12px 0 18px;font-size:14px;letter-spacing:.08em;color:var(--sage)}.card-desc{font-size:14px;color:var(--muted);line-height:1.95;margin-bottom:28px}.card-link{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;width:100%;font-size:14px;margin-top:auto}.card-link span{color:#947133}.architecture-foot{display:flex;justify-content:space-between;gap:28px;font-size:12px;margin-top:27px;color:var(--muted)}.architecture-foot span{display:inline-block;color:var(--ink);margin-right:10px}.study-feature{background:var(--ink);color:var(--paper)}.study-feature .section-label{color:#ddc799}.study-feature .section-heading p{color:#d1dbcd}.study-feature .text-link{color:var(--paper);border-color:#ffffff40;margin-top:18px}.rhythm{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #ffffff35}.rhythm li{padding:30px 34px 0 0}.rhythm li+li{padding-left:34px;border-left:1px solid #ffffff35}.rhythm span{color:#d6bc88;font-size:11px;letter-spacing:.06em}.rhythm h3{font-size:34px;margin:25px 0 14px;letter-spacing:.08em}.rhythm p{color:#d1dbcd;font-size:14px;line-height:1.95;max-width:310px}.companion{display:grid;grid-template-columns:1fr 1.1fr;align-items:center;gap:70px;background:var(--white)}.robot-art img{mix-blend-mode:multiply;width:100%;height:auto}.robot-art figcaption{font-size:11px;color:var(--muted);text-align:center;letter-spacing:.08em}.companion .section-label{margin-bottom:15px}.companion h2{margin:18px 0 24px}.companion-copy>p:not(.eyebrow):not(.ai-principle):not(.product-note){font-size:15px;color:var(--muted)}.companion-roles{margin:24px 0}.companion-roles>div{display:grid;grid-template-columns:85px 1fr;gap:8px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.companion-roles dt{color:var(--ink)}.companion-roles dd{margin:0;color:var(--muted)}.product-note{color:var(--muted);font-size:11px;line-height:1.8}.ai-principle{margin:24px 0 6px;font:600 20px/1.6 'Songti SC',STSong,serif}.teacher-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;border-top:1px solid var(--line);padding-top:32px}.teacher-initial{display:grid;place-items:center;width:50px;height:50px;border:1px solid #ac976e;border-radius:50%;font:23px 'Songti SC',STSong,serif;color:#8c744b;margin-bottom:22px}.teacher-grid h3{font-size:25px}.teacher-grid h3 small{font:13px sans-serif;color:var(--muted)}.teacher-grid p{font-size:14px;color:var(--muted);line-height:1.9}.teacher-grid .teacher-field{font-size:12px;color:var(--sage);margin:9px 0 16px}.teacher-grid .text-link{font-size:12px;margin-top:12px}.community-note{font-size:12px;color:var(--muted);border-top:1px solid var(--line);margin-top:38px;padding-top:21px}.join{background:#ebece1}.join h2{font-size:clamp(29px,3.8vw,48px)}.join-intro{color:var(--muted);margin-top:20px;font-size:15px}.contact-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:80px;margin-top:38px;align-items:start}.contact-options{display:grid;grid-template-columns:1fr 1fr;gap:36px}.contact-options article{border-top:1px solid var(--line);padding-top:28px;scroll-margin-top:28px}.contact-options h3{margin:14px 0 16px}.contact-options p{font-size:14px;color:var(--muted);line-height:2}.contact-options .text-link{margin-top:19px;font-size:13px}.contact-qr{max-width:255px;justify-self:center;padding:16px;background:var(--white);border:1px solid var(--line);border-radius:6px;text-align:center}.contact-qr img{width:200px;margin:auto}.contact-qr figcaption{font-size:12px;margin-top:12px;color:var(--ink)}.contact-qr figcaption small{display:block;font-size:10px;line-height:1.8;margin-top:6px;color:var(--muted)}.contact-qr .text-link{font-size:11px;gap:14px;margin-top:6px}#copy-status{grid-column:1/-1;font-size:12px;min-height:22px;color:var(--ink)}#copy-fallback{grid-column:1/-1;width:100%;min-height:130px;border:1px solid var(--line);border-radius:4px;padding:12px;background:var(--white);color:var(--ink)}footer{background:var(--ink);color:var(--paper);display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:40px;padding:44px max(6%,calc((100% - 1160px)/2));font-size:13px}.footer-title{font:24px 'Songti SC',STSong,serif}.footer-title small{display:block;font:10px Georgia,serif;margin-top:11px}.muted{color:#b9c8b7;font-size:11px;margin-top:8px}.footer-end{display:flex;justify-content:flex-end;gap:16px;flex-wrap:wrap;font-size:12px}.footer-end small{flex:1 0 100%;text-align:right;color:#b9c8b7;font-size:10px}footer a:hover{color:var(--gold)}
.detail-hero{padding-top:48px;padding-bottom:75px;background:linear-gradient(135deg,#f7f4ee,#e9ecdf)}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:48px}.breadcrumb span{margin-left:10px}.detail-hero h1{font-size:clamp(45px,6vw,72px);margin-top:15px;line-height:1.4}.detail-motto{color:var(--sage);font-size:20px;letter-spacing:.16em;margin:12px 0 30px}.detail-hero h2{font-size:clamp(25px,3vw,36px);margin:24px 0 16px}.detail-lead{max-width:720px;color:var(--muted);font-size:17px;line-height:2}.detail-hero .button{margin-top:32px}.detail-body .rhythm{border-color:var(--line)}.detail-body .rhythm li{border-color:var(--line)}.detail-body .rhythm span{color:#897144}.detail-body .rhythm p{color:var(--muted)}.detail-info{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin:70px 0;padding:40px 0;border-block:1px solid var(--line)}.detail-info h2,.detail-extra h2{font-size:27px;margin-bottom:15px}.detail-info p,.detail-extra p{font-size:15px;color:var(--muted);line-height:2}.detail-extra{background:#e9ecdf;padding:35px;margin-bottom:45px}.detail-extra h2{margin-top:14px}.detail-extra .text-link{margin-top:15px}.detail-close{font-size:14px;line-height:2;color:var(--muted)}.detail-close .text-link{margin-top:18px}.sibling-nav{display:flex;gap:35px;margin-top:55px;border-top:1px solid var(--line);padding-top:24px;font-size:13px;flex-wrap:wrap}
@media(min-width:1600px){.hero{padding-left:80px;padding-right:80px}}
@media(max-width:1100px){.site-header{width:calc(100% - 48px);gap:20px}.desktop-nav{gap:18px}.brand>span{font-size:23px}.hero{min-height:630px;padding:70px 5%}.hero-copy{width:510px}.hero h1{font-size:48px}.section{padding:75px 5%}.section-heading{gap:40px}.brand-card{padding:22px}.brand-card h3{font-size:25px}.companion{gap:40px}.contact-layout{gap:35px}.contact-options{gap:25px}.hero-art{width:66%}}
@media(max-width:850px){.desktop-nav{display:none}.header-cta{margin-left:auto}.menu-toggle{display:block}.site-header{min-height:90px}.hero{display:flex;flex-direction:column;align-items:flex-start;padding:55px 6% 0;min-height:0;overflow:hidden}.hero-copy{width:auto;max-width:100%}.hero h1{font-size:clamp(38px,6.5vw,56px)}.hero-values{margin-top:28px}.hero-art{position:relative;right:auto;height:auto;width:100%;margin-top:0;max-height:430px;aspect-ratio:1.5}.hero-art img{mask-image:linear-gradient(180deg,transparent,#000 15%);height:100%;object-fit:cover}.hero-art figcaption{right:0;bottom:16px;font-size:10px}.intro-strip{gap:24px;font-size:11px}.intro-strip b{font-size:25px}.section-heading{grid-template-columns:1fr;gap:25px}.section-heading br{display:initial}.brand-grid{grid-template-columns:1fr;gap:18px}.brand-card{padding:25px 30px;display:grid;grid-template-columns:70px 1fr;column-gap:18px}.card-top{grid-column:1/-1}.brand-card>img{grid-row:2/4;margin:22px 0;width:56px}.brand-card h3{margin-top:17px}.card-motto{margin:6px 0 17px}.card-desc,.card-link{grid-column:1/-1}.card-desc{margin-bottom:18px}.architecture-foot{flex-direction:column;gap:8px}.companion{grid-template-columns:.85fr 1fr;gap:28px}.companion-roles>div{grid-template-columns:1fr;gap:3px}.companion h2{font-size:34px}.contact-layout{grid-template-columns:1fr 230px}.contact-options{grid-template-columns:1fr;gap:25px}.teacher-grid{gap:24px}.teacher-grid h3 small{display:block;margin-top:7px}.rhythm li{padding-right:20px}.rhythm li+li{padding-left:20px}footer{grid-template-columns:1fr 1fr;gap:30px}.footer-end{grid-column:1/-1;justify-content:flex-start}.footer-end small{flex:initial;margin-left:auto}.detail-info{gap:35px}}
@media(max-width:560px){body{font-size:15px}.site-header{width:calc(100% - 36px);min-height:82px;gap:10px}.brand{gap:8px}.brand img{width:40px;height:40px}.brand>span{font-size:21px}.brand small{font-size:8px}.header-cta{display:none}.menu-toggle{margin-left:auto;font-size:13px;padding:10px 0 10px 12px}.hero{padding:42px 22px 0}.hero .eyebrow{font-size:10px}.hero h1{font-size:clamp(31px,8.4vw,46px);margin:21px 0;line-height:1.5}.hero-lead{font-size:14px;line-height:2}.hero-lead br{display:none}.actions{gap:20px;margin-top:26px;flex-wrap:wrap}.button{padding:12px 17px;gap:18px;font-size:13px;min-height:48px}.text-link{font-size:13px;gap:16px}.hero-values{font-size:11px;letter-spacing:.15em}.hero-art{width:calc(100% + 44px);margin-left:-22px;margin-top:6px;max-height:none;aspect-ratio:1.45}.hero-art figcaption{right:16px;bottom:12px;padding:6px 9px}.intro-strip{display:grid;grid-template-columns:1fr 1fr;gap:8px;text-align:center;padding:20px 12px}.intro-strip>span:last-child{grid-column:1/-1;font-size:11px;margin-top:4px}.intro-strip b{font-size:23px}.section{padding:58px 22px}.section-label{margin-bottom:23px;font-size:10px}.section-heading{margin-bottom:30px;gap:20px}h2{font-size:32px}.section-heading>p,.section-heading>div>p{font-size:14px}.section-heading .serif-note{font-size:20px}.values-grid{grid-template-columns:1fr 1fr;gap:28px 22px}.values-grid span{font-size:24px}.values-grid p{font-size:12px}.mother-brand{min-width:0;width:100%;gap:8px;flex-wrap:wrap;margin-bottom:28px;padding:16px}.mother-brand>span:last-child{width:100%;text-align:center}.mother-brand .sun-dot{margin-right:2px}.mother-brand:after{height:29px}.brand-card{padding:21px}.brand-card h3{font-size:26px}.card-desc{font-size:13px}.card-top{font-size:10px}.card-motto{font-size:13px}.architecture-foot{font-size:11px;line-height:1.9}.rhythm{grid-template-columns:1fr}.rhythm li,.rhythm li+li{border-left:0;padding:25px 0;border-bottom:1px solid #ffffff35}.rhythm li:last-child{padding-bottom:0;border-bottom:0}.rhythm h3{margin:12px 0 9px;font-size:29px}.rhythm p{font-size:14px;max-width:none}.companion{grid-template-columns:1fr;gap:30px}.robot-art{max-width:340px;justify-self:center}.robot-art img{width:100%}.companion-roles>div{grid-template-columns:75px 1fr}.companion-copy>p:not(.eyebrow):not(.ai-principle):not(.product-note){font-size:14px}.teacher-grid{grid-template-columns:1fr;gap:28px}.teacher-grid article+article{border-top:1px solid var(--line);padding-top:27px}.teacher-initial{float:left;margin:0 19px 10px 0;width:45px;height:45px}.teacher-grid h3{font-size:23px}.teacher-grid h3 small{display:inline;font-size:11px}.teacher-grid .teacher-field{margin:5px 0 18px}.teacher-grid p{clear:both;font-size:13px}.teacher-grid .teacher-field{clear:none}.community-note{font-size:11px}.join h2{font-size:29px}.join-intro{font-size:14px}.contact-layout{grid-template-columns:1fr;gap:28px;margin-top:30px}.contact-options{gap:25px}.contact-options article{padding-top:23px}.contact-options h3{font-size:25px;margin:9px 0 12px}.contact-options p{font-size:14px}.contact-options .text-link{margin-top:12px}.contact-qr{max-width:280px;width:100%}.contact-qr img{width:210px}#copy-status:empty{display:none}footer{padding:36px 22px;grid-template-columns:1fr;gap:22px}.footer-end{grid-column:1}.footer-end small{margin-left:0;flex-basis:100%;text-align:left}.detail-hero{padding-top:30px}.breadcrumb{margin-bottom:30px;font-size:11px}.detail-hero h1{font-size:44px}.detail-motto{font-size:17px}.detail-hero h2{font-size:27px}.detail-lead{font-size:15px}.detail-info{grid-template-columns:1fr;gap:30px;margin:40px 0;padding:30px 0}.detail-info h2,.detail-extra h2{font-size:24px}.detail-info p,.detail-extra p{font-size:14px}.detail-extra{padding:25px}.sibling-nav{gap:20px;font-size:12px}.detail-close{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
.detail-hero h2{text-wrap:balance;max-width:24em}
h2{text-wrap:balance}

.vote-invite{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1280px;margin:0 auto 24px;padding:22px 40px;background:#eee5d2;border-radius:12px;color:#143d2e}.vote-invite span{display:block;font-size:12px;margin-bottom:5px;color:#6b704e}.vote-invite strong{font-size:16px;font-weight:500}.vote-invite a{flex-shrink:0;font-size:14px;text-decoration:underline;text-underline-offset:5px}@media(max-width:700px){.vote-invite{margin:0 18px 22px;padding:18px;align-items:flex-start;flex-direction:column;gap:12px}.vote-invite strong{font-size:15px}}