@font-face{font-family:Lab;src:url('assets/poppins.ttf') format('truetype');font-weight:500;font-display:swap}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:#f5f7fa;color:#20344a;font-family:Lab,Arial,sans-serif;font-size:16px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid #1955a6;outline-offset:5px}.sidebar{width:250px;position:fixed;inset:0 auto 0 0;background:white;border-right:1px solid #e4eaf0;display:flex;flex-direction:column;padding:34px 22px}.brand{display:flex;gap:12px;align-items:center}.brand img{width:58px;height:58px}.brand span{font-size:11px;letter-spacing:1px}.brand strong{display:block;font-size:32px;line-height:1.2;letter-spacing:-1px}.brand .gold{color:#d59620;font-size:36px}.nav-label{font-size:11px;letter-spacing:1.4px;color:#66788a;margin:55px 12px 15px}nav{display:grid;gap:10px}nav a,nav button{padding:14px 12px;display:flex;gap:13px;border:0;border-radius:10px;background:none;color:#54697d;text-align:left;font-size:14px}nav span{font-size:21px;line-height:1}.active{background:#eaf2fc;color:#1955a6!important}nav a:hover,nav button:hover{background:#f0f5fa}.side-bottom{margin-top:auto;padding:24px 12px 0}.pilot-tag{font-size:11px;letter-spacing:1.4px;color:#236458}.side-bottom p{font-size:14px;line-height:1.9}.date{font-size:12px;color:#718091}.workspace{margin-left:250px}.topbar{height:77px;background:#fff;border-bottom:1px solid #e4eaf0;display:flex;align-items:center;justify-content:space-between;padding:0 44px;font-size:14px;color:#63768a}.help{border:1px solid #dce4ec;background:white;border-radius:8px;padding:9px 15px;color:#344e66;font-size:13px}main{max-width:1340px;margin:auto;padding:40px 44px 0}.heading{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:27px}.eyebrow{font-size:11px;letter-spacing:1.8px;color:#34716d;margin-bottom:10px}h1{font-size:clamp(25px,2.5vw,36px);font-weight:500;letter-spacing:-1.2px;margin:0 0 10px;line-height:1.3}.heading p{margin:0;color:#62778a;font-size:15px}.release{white-space:nowrap;border:1px solid #cfdddf;border-radius:30px;padding:8px 13px;font-size:12px;color:#3f716e}.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.app-card{position:relative;background:white;border:1px solid #dfe7ef;border-radius:18px;padding:25px 28px 23px;box-shadow:0 5px 18px #20344a04;display:flex;flex-direction:column;min-width:0;border-top:4px solid var(--accent)}.main-app{--accent:#1955a6;background:linear-gradient(115deg,#edf5ff,white 75%)}.dictionary{--accent:#188c88}.schwa{--accent:#7153a1}.magnets{--accent:#ca7049}.card-top{display:flex;justify-content:space-between;align-items:center}.category{font-size:10px;letter-spacing:1.6px;color:var(--accent)}.number{font-size:13px;color:#65788a}.app-icon{width:80px;height:80px;object-fit:contain;border-radius:16px;margin:17px 0 9px}.main-logo{height:106px;display:flex;align-items:center}.main-logo img{width:260px;max-width:100%;max-height:100px;object-fit:contain}.app-card h2{font-size:25px;letter-spacing:-.6px;font-weight:500;margin:0 0 7px}.app-card>p{font:15px/1.7 Lab,Arial,sans-serif;color:#60748a;margin:0 0 24px;max-width:380px}.card-bottom{border-top:1px solid #e8edf2;padding-top:17px;margin-top:auto;display:flex;justify-content:space-between;gap:12px;align-items:center}.tag{font-size:12px;color:var(--accent)}.launch{display:inline-flex;align-items:center;justify-content:center;font-size:13px;white-space:nowrap;padding:10px 15px;background:#1955a6;color:white;border-radius:8px}.launch[href]:hover{background:#123f80}a[aria-disabled=true]{color:#65778a;background:#eef2f5;cursor:default;font-size:13px}.availability{font-size:12px;color:#6b7b8e;margin:18px 0 36px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-heading h2{font-size:25px;font-weight:500;letter-spacing:-.5px;margin:0}.section-heading>span{font-size:12px;color:#708194}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.resource-grid article{background:white;border:1px solid #e0e7ef;border-radius:13px;padding:22px}.resource-icon{font-size:12px;color:#526f8e;background:#eef3fa;border-radius:6px;padding:6px 9px;display:inline-block}.resource-grid h3{font-size:16px;font-weight:500;margin:17px 0 7px}.resource-grid p{font-size:13px;line-height:1.7;color:#6b7b8e;margin:0 0 19px}.resource-grid a{font-size:13px;color:#1955a6;display:inline-block;padding:7px 10px;border-radius:6px}.feedback{margin-top:28px;padding:25px 28px;border-radius:12px;background:#e9f0f7;display:flex;justify-content:space-between;align-items:center;gap:20px}.feedback strong{font-size:16px;font-weight:500}.feedback p{font-size:13px;color:#63778a;margin:6px 0 0}footer{display:flex;justify-content:space-between;padding:28px 0;font-size:11px;color:#748596}dialog{border:1px solid #dce4ed;border-radius:20px;max-width:610px;width:calc(100% - 32px);padding:38px;color:#20344a;box-shadow:0 25px 100px #102e4940}dialog::backdrop{background:#142d4866;backdrop-filter:blur(4px)}dialog h2{font-size:26px;font-weight:500;margin:10px 0 22px}dialog ol{padding-left:24px}dialog li{padding:0 0 13px 5px}dialog li strong{font-size:16px;font-weight:500}dialog p{font-size:14px;line-height:1.8;color:#60748a}dialog .close{position:absolute;right:16px;top:10px;border:0;background:none;font-size:30px;color:#60748a}.done{background:#1955a6;color:white;padding:12px 20px;border:0;border-radius:8px}.guide-note{background:#f0f5fa;padding:14px;border-radius:9px}.skip{position:fixed;left:10px;top:-100px;background:white;z-index:20;padding:15px}.skip:focus{top:10px}@media(min-width:1500px){.app-card{min-height:310px}}@media(max-width:1100px){.sidebar{width:210px;padding:28px 14px}.workspace{margin-left:210px}main{padding:30px 25px 0}.topbar{padding:0 25px}.app-card{padding:20px}.card-bottom{align-items:flex-start;flex-direction:column}.release{display:none}.resource-grid{gap:12px}.resource-grid article{padding:17px}}@media(max-width:760px){.sidebar{position:static;width:100%;padding:16px 20px;border-right:0;border-bottom:1px solid #e4eaf0}.brand img{width:45px;height:45px}.brand strong{font-size:25px}.nav-label,.side-bottom{display:none}nav{display:flex;gap:6px;margin-top:16px}nav a,nav button{padding:10px;font-size:12px;gap:6px}nav span{display:none}.workspace{margin:0}.topbar{display:none}main{padding:26px 20px 0}.heading{margin-bottom:23px}h1{font-size:28px}.app-grid{gap:14px}.app-card h2{font-size:21px}.app-card>p{font-size:14px}.category{font-size:9px;letter-spacing:1px}.app-icon{width:65px;height:65px}.main-logo{height:91px}.tag{font-size:11px}.resource-grid{grid-template-columns:1fr}.resource-grid article{padding:19px}.section-heading>span{display:none}.feedback{padding:20px;align-items:flex-start;flex-direction:column}.availability{line-height:1.8}footer{gap:15px}}@media(max-width:480px){.app-grid{grid-template-columns:1fr}.card-bottom{flex-direction:row;align-items:center}.heading p{font-size:14px}.app-card{padding:23px}.app-icon{width:76px;height:76px}.category{font-size:11px}.tag{font-size:12px}nav a,nav button{font-size:11px}.app-card h2{font-size:25px}.resource-grid p{font-size:14px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Readable classroom labels on small screens. */
.heading p,.app-card>p{font-size:16px}.tag,.launch,.resource-grid p,.resource-grid a,.feedback p,.help{font-size:14px}.availability{font-size:14px}.date,footer{font-size:12px}a[aria-disabled=true]{font-size:14px}@media(max-width:760px){nav a,nav button{font-size:14px}.heading p,.app-card>p{font-size:16px}}@media(max-width:480px){nav{flex-wrap:wrap}.card-bottom{flex-wrap:wrap}.tag{font-size:14px}}
.family-finder{--accent:#116a65;background:linear-gradient(115deg,#edf7f3,white 75%)}
/* Hub 1.20: stronger branding, accessible Settings and bilingual guidance. */
[hidden]{display:none!important}.brand{flex-direction:column;align-items:flex-start}.brand img{width:100px;height:100px}.brand span{font-size:13px}.brand strong{font-size:37px}.nav-label{margin-top:30px}.sidebar nav a{line-height:1.5}.hub-masthead{text-align:center;padding:0 0 32px}.hub-masthead>img{width:720px;max-width:100%;height:auto;display:block;margin:0 auto 16px}.hub-credit{font-size:14px;line-height:1.8;margin:0;color:#54697d}.topbar{height:auto;min-height:77px;gap:16px;padding-block:14px;flex-wrap:wrap}.hub-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.language-control{display:flex;gap:8px;align-items:center;font-size:13px}.language-control select{font:inherit;min-height:44px;padding:8px;border:1px solid #dce4ec;border-radius:8px;background:white;color:#20344a}.help,.done,.about-languages button{min-height:44px}.theme-control{display:flex;align-items:center;justify-content:space-between;gap:20px}.theme-control small{display:block;margin-top:8px;line-height:1.7;font-size:14px;color:#60748a}.theme-control input{width:44px;height:26px;accent-color:#1955a6}.hub-patch{padding:20px 0;border-top:1px solid #dce4ec}.hub-patch h3{margin-bottom:6px}.hub-patch time{display:block;font-size:13px;margin-bottom:12px}.hub-patch li{font-size:14px;line-height:1.8}.hub-patch strong{display:block}.hub-patch ul{padding-left:22px}#hub-release-notes{margin:25px 0}#hub-release-notes summary{cursor:pointer;padding:12px 0}#settings-dialog{max-height:85vh;overflow:auto}.about-languages{display:flex;gap:8px;margin-bottom:28px}.about-languages button{font:inherit;padding:9px 16px;background:white;border:1px solid #dce4ec;border-radius:8px;color:#20344a}.about-languages button[aria-pressed=true]{border-color:#1955a6;color:#1955a6;background:#eaf2fc}.philosophy-copy{max-width:850px}.philosophy-copy h1{margin-bottom:20px}.about-lead{font-size:19px;line-height:1.85;color:#344e66}.philosophy-copy section{margin:32px 0;padding-top:22px;border-top:1px solid #dce4ec}.philosophy-copy h2{font-size:23px;font-weight:500;margin:0 0 12px;line-height:1.5}.philosophy-copy p{font-size:16px;line-height:1.9}.philosophy-copy .about-note{font-size:14px;color:#60748a;margin-top:35px}.philosophy-copy .about-credit{font-size:14px;color:#54697d}html[lang=zh-CN] body,.philosophy-copy[lang=zh-CN]{font-family:Lab,'Microsoft YaHei','PingFang SC',Arial,sans-serif}html[lang=zh-CN] .category{letter-spacing:.4px}footer{align-items:center;flex-wrap:wrap}
html[data-theme=dark] body{background:#101c2a;color:#e3ecf7}html[data-theme=dark] .sidebar,html[data-theme=dark] .topbar,html[data-theme=dark] .app-card,html[data-theme=dark] .resource-grid article,html[data-theme=dark] dialog{background:#1c2d40;color:#e3ecf7;border-color:#354a60}html[data-theme=dark] .main-app,html[data-theme=dark] .family-finder{background:linear-gradient(115deg,#233b53,#1c2d40 85%)}html[data-theme=dark] .heading p,html[data-theme=dark] .app-card>p,html[data-theme=dark] .resource-grid p,html[data-theme=dark] .availability,html[data-theme=dark] .feedback p,html[data-theme=dark] dialog p,html[data-theme=dark] .date,html[data-theme=dark] footer,html[data-theme=dark] .topbar,html[data-theme=dark] nav a,html[data-theme=dark] nav button,html[data-theme=dark] .hub-credit,html[data-theme=dark] .about-lead,html[data-theme=dark] .about-note,html[data-theme=dark] .about-credit,html[data-theme=dark] .theme-control small{color:#b4c6d8}html[data-theme=dark] .help,html[data-theme=dark] select,html[data-theme=dark] .about-languages button{background:#263d54;color:#e3ecf7;border-color:#506b85}html[data-theme=dark] nav .active,html[data-theme=dark] nav a:hover,html[data-theme=dark] nav button:hover,html[data-theme=dark] .guide-note,html[data-theme=dark] .feedback,html[data-theme=dark] .resource-icon{background:#274666;color:#cce1ff!important}html[data-theme=dark] .category,html[data-theme=dark] .tag,html[data-theme=dark] .eyebrow,html[data-theme=dark] .pilot-tag{color:#a9d8cf}html[data-theme=dark] .number,html[data-theme=dark] .section-heading>span{color:#b4c6d8}html[data-theme=dark] .card-bottom,html[data-theme=dark] .philosophy-copy section,html[data-theme=dark] .hub-patch{border-color:#354a60}html[data-theme=dark] a[aria-disabled=true]{background:#293c50;color:#bbcadb}html[data-theme=dark] .launch,html[data-theme=dark] .done{background:#87b7ff;color:#102239}html[data-theme=dark] .resource-grid a{color:#b3d2ff}html[data-theme=dark] .resource-grid a[aria-disabled=true]{color:#bbcadb}html[data-theme=dark] .about-languages button[aria-pressed=true]{border-color:#87b7ff;color:#cce1ff}html[data-theme=dark] .release{border-color:#506b85;color:#b4d7d1}
@media(max-width:1100px){.brand img{width:90px;height:90px}.brand strong{font-size:32px}.sidebar{overflow:auto}.hub-controls{gap:8px}}@media(max-width:760px){.brand{flex-direction:row;align-items:center}.brand img{width:75px;height:75px}.topbar{display:flex;padding:14px 20px}.topbar>span{display:none}.hub-controls{width:100%;justify-content:center}.hub-masthead{padding-bottom:25px}.hub-masthead>img{margin-bottom:12px}.hub-credit{font-size:13px}.sidebar nav{flex-wrap:wrap}.sidebar nav a,.sidebar nav button{font-size:14px}.about-lead{font-size:17px}.philosophy-copy h2{font-size:21px}.philosophy-copy p{line-height:1.85}.brand strong{font-size:31px}.brand span{font-size:12px}}@media(max-width:480px){.hub-controls .help{font-size:12px}.language-control{width:100%;justify-content:center}.hub-masthead>img{max-width:100%;width:720px}.hub-credit{font-size:13px}dialog{padding:30px 22px}}
/* 1.21: original Hub artwork and whole-card links. */
.hub-masthead>img{width:900px;max-width:100%;max-height:230px;object-fit:contain}.app-card .app-icon{width:100%;height:165px;object-fit:contain;border-radius:0;margin:20px 0 12px}.app-card .main-logo{height:197px;padding:20px 0 12px}.app-card .main-logo img{width:100%;max-height:165px;object-fit:contain}.app-card>p{font-size:14px;line-height:1.6;max-width:none;margin-bottom:18px}.app-card h2{font-size:19px;margin-bottom:8px}.app-card .launch[href]::after{content:'';position:absolute;inset:0;border-radius:18px;z-index:1}.app-card:has(.launch[href]){cursor:pointer;transition:box-shadow .15s,transform .15s}.app-card:has(.launch[href]):hover{box-shadow:0 8px 25px #1955a61c;transform:translateY(-2px)}.app-card:focus-within{outline:3px solid #1955a6;outline-offset:4px}.app-card .launch{background:transparent;color:#1955a6;padding:4px 0;font-size:13px}.app-card .launch[href]:hover{background:transparent}.app-card .launch[href]::before{content:'↗';margin-right:7px}.app-card .tag{font-size:12px}.main-app .main-logo{background:#fff;border-radius:12px;margin:14px 0 12px;padding:16px;height:170px}html[data-theme=dark] .app-card .launch{color:#b3d2ff}html[data-theme=dark] .app-card:focus-within{outline-color:#87b7ff}html[data-theme=dark] .app-card .launch[aria-disabled=true]{background:#293c50;color:#bbcadb;padding:7px 12px}@media(max-width:760px){.app-card>p{font-size:14px}.app-card h2{font-size:19px}.app-card .app-icon{height:150px}.hub-masthead>img{max-height:180px}.main-app .main-logo{height:156px}}@media(max-width:480px){.app-card .app-icon{height:145px}.app-card .main-logo img{max-height:140px}.hub-masthead{padding-bottom:25px}.hub-masthead>img{max-height:150px}.app-card .tag{font-size:12px}}@media(prefers-reduced-motion:reduce){.app-card:has(.launch[href]){transition:none}.app-card:has(.launch[href]):hover{transform:none}}