@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+HK:wght@400;500;600;700;800;900&display=swap');
:root{--blue:#255d9a;--ink:#173b57;--soft:#edf5fc;--coral:#ef6f4e;--orange-dark:#9f3e24;--peach:#fff1eb;--paper:#fffcf5;--muted:#53697b;--line:#d6e2eb;--yellow:#f5d778;--radius:18px}*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:28px}body{margin:0;font-family:'Noto Sans HK','Microsoft JhengHei',sans-serif;color:var(--ink);background:#fff;line-height:1.85}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default}a,button{-webkit-tap-highlight-color:transparent}h1,h2,h3,p,figure{margin:0}h1{font-size:clamp(40px,4.8vw,65px);font-weight:900;line-height:1.25;letter-spacing:-2px}h2{font-size:clamp(29px,3.2vw,42px);font-weight:800;line-height:1.4;letter-spacing:-1px}h3{font-size:22px;line-height:1.5}p{max-width:70ch}.shell{width:min(1200px,100% - 80px);margin:auto}.section{padding:88px 0}.eyebrow{font-size:13px;font-weight:700;color:var(--blue);margin-bottom:12px}.lead{font-size:16px;color:var(--muted);margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 24px;min-height:48px;background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:8px;font-weight:700;font-size:15px;text-align:center;line-height:1.5}.btn:hover{background:#184a80}.btn.secondary{background:#fff;color:var(--blue)}.btn.secondary:hover{background:var(--soft)}.text-link{text-decoration:underline;text-underline-offset:4px;font-size:14px}.site-header{background:white;border-bottom:1px solid #e9eef3}.nav-row{display:flex;align-items:center;gap:30px;justify-content:space-between;min-height:96px}.brand{width:310px;flex-shrink:0}.brand img{width:100%;height:auto}.nav-row nav{display:flex;gap:26px;font-size:14px}.nav-cta{font-size:13px;padding:12px 16px}.hero{background:linear-gradient(110deg,#fff 48%,#f3f8fd 48%)}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding-top:65px;padding-bottom:72px}.course-line{font-size:16px;font-weight:600;margin-bottom:23px}.course-line span{color:#9ab0c2;margin:0 8px}.hero-intro{margin:25px 0;max-width:440px;font-size:16px;color:var(--muted)}.hero-note{font-size:12px;color:var(--muted);margin-top:14px;display:flex;gap:16px;flex-wrap:wrap}.hero-stage{padding:20px 0 0;position:relative}.thinking-board{background:white;border:1px solid #c2d8e9;border-radius:22px;padding:27px 29px 125px;box-shadow:8px 8px 0 #dceaf7}.thinking-board>p:first-child{font-size:15px;font-weight:700}.thinking-steps{display:flex;gap:8px;margin:17px 0}.thinking-steps span{font-size:12px;background:var(--soft);padding:3px 9px;border-radius:4px}.board-question{font-size:33px;line-height:1.6;font-weight:800}.board-foot{font-size:12px;color:var(--muted);margin-top:12px}.teacher-pair{display:flex;align-items:flex-end;justify-content:flex-end;gap:32px;margin-top:-108px;padding-right:25px;position:relative}.teacher-pair figure{text-align:center}.teacher-pair img{width:auto;margin:auto;object-fit:contain}.teacher-pair .chloe{height:220px}.teacher-pair .emily{height:216px}.teacher-pair figcaption{display:flex;flex-direction:column;align-items:center;font-size:11px;line-height:1.5;margin-top:8px;gap:4px}.math-label,.english-label{display:inline-block;padding:3px 10px;font-size:12px;font-weight:700;border-radius:4px;background:var(--soft);color:var(--blue)}.english-label{background:var(--peach);color:var(--orange-dark)}.site-footer{padding:40px 0 105px;background:#f3f6f9}.site-footer strong{font-size:23px}.site-footer p{font-size:12px;margin-top:7px;color:var(--muted)}.floating-cta{position:fixed;bottom:22px;right:24px;z-index:20;box-shadow:0 4px 15px #173b5730}.skip{position:absolute;top:-90px;left:12px;z-index:100;background:#fff;padding:10px}.skip:focus{top:10px}:focus-visible{outline:3px solid #a26400;outline-offset:4px}[hidden]{display:none!important}
@media(max-width:1000px){.nav-row nav{gap:15px}.brand{width:250px}.nav-row{gap:18px}.hero-grid{gap:36px}.teacher-pair{gap:25px;padding-right:12px}.board-question{font-size:29px}}@media(max-width:760px){.shell{width:calc(100% - 40px)}.nav-row{min-height:76px}.brand{width:min(270px,75vw)}.nav-row nav,.nav-cta{display:none}.hero{background:linear-gradient(#fff 48%,#f3f8fd 48%)}.hero-grid{grid-template-columns:1fr;gap:18px;padding-top:29px;padding-bottom:42px}h1{font-size:43px;letter-spacing:-1.4px}.eyebrow{font-size:12px;margin-bottom:8px}.course-line{font-size:13px;margin-bottom:16px}.hero-intro{font-size:14px;margin:18px 0 21px}.hero-copy>.btn{width:100%}.hero-note{font-size:11px;gap:12px;margin-top:10px}.hero-stage{max-width:440px;width:100%;margin:auto;padding-top:22px}.thinking-board{padding:20px 20px 97px}.thinking-board>p:first-child{font-size:13px}.board-question{font-size:25px}.thinking-steps{gap:5px}.thinking-steps span{font-size:11px}.board-foot{font-size:10px}.teacher-pair{margin-top:-88px;padding-right:15px;gap:28px}.teacher-pair .chloe{height:184px}.teacher-pair .emily{height:180.65px}.section{padding:56px 0}.floating-cta{bottom:12px;left:16px;right:16px;padding-bottom:max(14px,env(safe-area-inset-bottom));font-size:15px}.site-footer{padding-bottom:110px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}