@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+HK:wght@400;500;600;700;800&display=swap');
:root{--ink:#283e37;--muted:#748078;--green:#36765d;--line:#e8ece3;--cream:#fafbf6;--white:#fff;--radius:20px;font-family:'Noto Sans HK','Microsoft JhengHei',sans-serif;color:var(--ink);background:var(--cream);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a,input{ -webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;border:0;background:none}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #e4ab58;outline-offset:4px}button,a{touch-action:manipulation}h1,h2,h3,p{margin:0}h2{font-size:22px;letter-spacing:.025em}button{transition:background .18s,box-shadow .18s,transform .18s}button:not(:disabled):active{transform:translateY(1px)}.skip{position:fixed;top:-80px;left:20px;background:white;z-index:30;padding:15px}.skip:focus{top:10px}.sidebar{width:226px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid 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@media(min-width:1500px){main{padding-top:38px}.hero{min-height:270px}.hero h1{font-size:38px}.mode{padding:21px}.writing-layout{padding:30px 45px}}
@media(max-width:1180px){.sidebar{width:200px;padding:28px 13px}.shell{margin-left:200px}.topbar{padding:0 28px}main{padding:25px 28px}.mode{padding:15px 10px;gap:8px}.mode-icon{width:38px;height:40px;font-size:20px}.mode-arrow{display:none}.hero{padding-left:27px}.hero h1{font-size:30px}.hero-art{right:-30px;width:48%}.writing-layout{gap:20px;padding:22px}.target-panel{padding-left:22px}.word-list{grid-template-columns:repeat(8,1fr)}}
@media(max-width:950px){.sidebar{width:180px}.shell{margin-left:180px}.brand{padding-left:8px}.brand>span{font-size:24px}.brand small{font-size:8px}.nav-item{padding:13px 10px;font-size:12px}.topbar{height:68px;padding:0 22px}main{padding:22px}.hero{min-height:240px}.hero-art{opacity:.8;right:-70px;width:50%}.hero p{max-width:260px;line-height:1.8}.hero h1{font-size:29px}.modes{gap:9px}.mode{gap:7px;padding:13px 8px}.mode b{font-size:12px}.mode small{font-size:8px}.mode-icon{width:32px;height:36px;font-size:18px;border-radius:9px}.writing-layout{grid-template-columns:minmax(0,1.3fr) minmax(180px,1fr);padding:20px;gap:20px}.target-glyph{width:85px;height:100px}.target-title{gap:5px}.target-word{font-size:16px}.target-panel{padding-left:17px}.soft-button{padding:9px}.submit{padding:10px 14px}.word-list{grid-template-columns:repeat(8,1fr)}}
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@media(max-width:560px){.hero-art{width:55%;right:-80px;opacity:.55}.hero-copy{max-width:100%}.hero h1{font-size:28px}.hero p{max-width:245px}.hero-tags span{background:#fffc}.hero{min-height:232px}.breadcrumb>span,.breadcrumb>b{display:none}.breadcrumb::before{content:'字苗';font-size:22px;font-weight:800;color:#36765d;margin-right:0}.breadcrumb{font-size:0}.learning-heading h2{font-size:19px}.section-kicker{font-size:8px}.progress-chip{gap:4px;font-size:9px}.modes{gap:7px}.mode small{display:none}.mode{padding:12px 4px}.practice-heading{padding:16px}.practice-heading h2{font-size:16px}.practice-title-group{gap:7px}.lesson-count{font-size:10px}.writing-layout{display:flex;flex-direction:column-reverse;gap:18px;padding:18px 18px 20px}.target-panel{border:0;border-bottom:1px solid #edf0e6;padding:0 0 16px;display:grid;grid-template-columns:1fr auto;gap:0 14px;align-items:center}.target-eyebrow{grid-column:1;font-size:10px}.target-title{grid-column:1;margin:3px 0;gap:14px}.target-glyph{height:77px;width:77px}.target-description{grid-column:1;margin:0;font-size:11px}.target-panel .encouragement{grid-column:2;grid-row:1 / 4;width:125px;padding:10px;font-size:10px}.encouragement b{font-size:11px}.target-panel .reference{grid-column:1 / -1;margin-top:9px;font-size:9px}.canvas-frame{max-width:390px}.canvas-actions{gap:8px}.soft-button{padding:10px 13px}.submit{padding:10px 20px}.results{margin:0 18px 18px;padding:14px}.results h3{font-size:14px}.result-items{gap:6px}.result-item{font-size:11px;padding:7px}.word-heading h2{font-size:16px}.word-heading p{font-size:10px}.word-list{grid-template-columns:repeat(6,1fr);gap:7px}.word-button{min-height:48px;font-size:22px}.main-footer{flex-direction:column;align-items:center;font-size:9px;padding-top:25px}.activity-panel{padding:27px 18px;min-height:400px}.activity-panel h3{font-size:21px}.cue-card{font-size:17px!important}.choices{gap:12px}.choice{height:76px;width:76px;font-size:37px}.sentence{font-size:23px!important}.word-heading .pill{font-size:9px}.top-actions{gap:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.report-panel{margin:0 24px 24px;padding:18px;border:1px solid #dce6d5;border-radius:14px;background:#f7f8f1;font-size:13px;line-height:1.8;color:#52694e}.report-panel summary{cursor:pointer;font-weight:700;font-size:15px;color:#355d45}.report-panel p{margin:12px 0}.report-toggle{display:flex;align-items:center;gap:10px;font-weight:700}.report-toggle input{width:20px;height:20px;accent-color:#397658}.report-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}.report-fields label,.report-note{display:flex;flex-direction:column;gap:5px}.report-panel select,.report-panel textarea{width:100%;min-width:0;min-height:44px;padding:9px;border:1px solid #bfcfb9;border-radius:8px;background:white;color:#294d45;font:inherit}.report-note{margin-bottom:12px}.report-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.report-panel button{min-height:44px}.report-panel [hidden]{display:none!important}#report-status{color:#355d45;font-weight:600;overflow-wrap:anywhere}@media(max-width:560px){.report-panel{margin:0 18px 18px;padding:14px}.report-fields{grid-template-columns:1fr}}