:root{color-scheme:light;--ink:#193e35;--forest:#214e41;--soft:#e9efe8;--paper:#faf8f1;--line:#dce3d9;--muted:#627367;--orange:#a94b2e;--white:#fff;--radius:22px;font-family:system-ui,-apple-system,"PingFang HK","Noto Sans CJK TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.6}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,select,a,input{touch-action:manipulation}button,select{min-height:44px}button{cursor:pointer;border:1px solid #ccd8cc;border-radius:12px;padding:10px 16px;background:var(--white);color:var(--ink);font-weight:650;transition:background .16s,color .16s,box-shadow .16s}button:hover:not(:disabled){background:#edf3eb;border-color:#819982}button:disabled{opacity:.44;cursor:default}button.primary{background:var(--forest);border-color:var(--forest);color:white}button.primary:hover:not(:disabled){background:#163c31}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #be673d;outline-offset:4px}button[aria-pressed=true]{background:var(--forest);border-color:var(--forest);color:white}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;top:-100px;left:16px;z-index:5;padding:10px;background:white}.skip:focus{top:12px}
.header{max-width:1248px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 32px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;flex-shrink:0}.brand img{max-width:138px;height:auto}.header nav{display:flex;gap:28px;align-items:center}.header nav a{text-decoration:none;font-size:.9rem;min-height:44px;display:flex;align-items:center}.header nav a:last-child{background:var(--soft);padding:8px 16px;border-radius:30px;gap:14px}main{max-width:1184px;margin:auto;padding:0 32px}.intro{display:flex;justify-content:space-between;align-items:flex-end;padding:46px 0 32px;gap:24px}.eyebrow{font-size:.72rem;letter-spacing:.16em;font-weight:700;margin:0 0 10px;color:#5d745e}h1,h2,p{margin-top:0}h1{font-size:clamp(2rem,4.3vw,3.5rem);font-weight:650;letter-spacing:-.055em;line-height:1.25;margin-bottom:18px}h1 span{color:#66815e}.lead{font-size:1rem;color:var(--muted);margin-bottom:0}.mobile-break{display:none}.library-link{text-decoration:none;font-size:.9rem;padding-bottom:6px;display:flex;align-items:center;gap:40px;white-space:nowrap}.library-link span{font-size:1.4rem}.workspace{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.9fr);gap:26px;align-items:start}.practice{padding:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 40px #214e4107;min-width:0}.practice-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.practice-heading .eyebrow{margin-bottom:2px;font-size:.7rem}.practice-heading h2{font-size:1.8rem;margin:0;display:flex;align-items:center;gap:12px}.stroke-count{font-size:.8rem;font-weight:500;color:var(--muted)}.lesson-label{font-size:.8rem;color:var(--muted)}.modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;background:var(--soft);padding:5px;border-radius:14px;margin-bottom:24px}.modes button{font-size:.85rem;padding:10px 4px;background:transparent;border-color:transparent;border-radius:10px;min-width:0}.modes button[aria-pressed=true]{background:var(--forest);color:white}
.writing-area{position:relative;width:100%;max-width:440px;aspect-ratio:1;margin:auto;background:#fcfcf8;border:1px solid #cbd7c5;border-radius:9px;overflow:hidden;isolation:isolate}.guides{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;fill:none;stroke:#d8dfd3;stroke-width:.35;stroke-dasharray:1.2 1}.guides .thirds{display:none}.writing-area[data-grid=nine] .guides .cross,.writing-area[data-grid=nine] .guides .diagonals{display:none}.writing-area[data-grid=nine] .guides .thirds{display:block}.writing-area[data-grid=cross] .guides .diagonals{display:none}.writing-area[data-grid=none] .guides{display:none}#writer{position:absolute;inset:0;opacity:0;pointer-events:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}#writer[data-ready=true]{opacity:1}#writer[data-interactive=true]{pointer-events:auto;touch-action:none}#writer>svg{display:block;width:100%;height:100%}.board-message{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:32px;text-align:center;gap:10px;background:#fcfcf8ed}.board-message p{margin:0;color:var(--muted);max-width:260px}.board-corner{position:absolute;right:10px;bottom:7px;font-size:.5rem;color:#a6b39f;letter-spacing:.12em;pointer-events:none}.progress-line{display:flex;align-items:center;gap:16px;margin-top:18px}.progress-line span{font-size:.78rem;white-space:nowrap;color:var(--muted)}progress{width:100%;height:5px;appearance:none;border:0;border-radius:5px;background:var(--soft)}progress::-webkit-progress-bar{background:var(--soft);border-radius:5px}progress::-webkit-progress-value{background:#819578;border-radius:5px}progress::-moz-progress-bar{background:#819578;border-radius:5px}.feedback{font-size:.88rem;min-height:1.6em;margin:10px 0 20px;color:var(--forest)}.feedback[data-kind=success]{color:#2b734b;font-weight:700}.feedback[data-kind=mistake]{color:var(--orange)}.play-controls{display:grid;grid-template-columns:1.3fr .8fr 1fr 1fr;gap:8px}.play-controls button{font-size:.8rem;padding:10px 4px}.board-settings{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-top:20px;margin-top:20px;border-top:1px solid #ebeee7}.board-settings label,.section-heading label{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--muted)}select{border:1px solid var(--line);border-radius:9px;padding:7px 28px 7px 10px;background:white;color:var(--ink);max-width:100%}.motion-option{min-height:44px;cursor:pointer}.motion-option input{accent-color:var(--forest);width:18px;height:18px}.character-navigation{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:20px}.character-navigation button{font-size:.78rem;padding:8px 10px;white-space:nowrap}.character-navigation span{font-size:.73rem;text-align:center;color:var(--muted)}
.side{display:grid;gap:18px;min-width:0}.search-card,.how-card,.notice-card{border-radius:var(--radius);padding:28px}.search-card{background:#e8eedf;position:relative;overflow:hidden;border:1px solid #dde5d5}.search-card h2{font-size:1.4rem;letter-spacing:-.04em;margin-bottom:8px;position:relative}.search-card>p{font-size:.9rem;color:#596b55;margin-bottom:22px;position:relative}.card-number{position:absolute;right:12px;top:-16px;font-family:"Kaiti TC","KaiTi",serif;font-size:130px;line-height:1.4;color:#dce5cf;transform:rotate(10deg);pointer-events:none}.input-row{display:flex;gap:8px;position:relative}.input-row input{width:100%;min-width:0;min-height:50px;border:1px solid #becdb2;background:#ffffffd9;border-radius:12px;padding:10px 12px;font-size:1rem;color:var(--ink)}.input-row button{flex-shrink:0;padding:10px 18px}.input-note{font-size:.75rem;min-height:1.6em;margin:9px 0 16px;color:#596b55}.word-characters{display:flex;flex-wrap:wrap;gap:8px}.word-characters button{font-family:"Kaiti TC","KaiTi",serif;font-size:1.7rem;min-width:50px;min-height:56px;padding:4px 10px;border-color:#bdcbb0}.suggestions{border-top:1px solid #cfdcc5;padding-top:18px;margin-top:24px}.suggestions p{font-size:.78rem;color:#596b55;margin-bottom:10px}.suggestions>div{display:flex;flex-wrap:wrap;gap:8px}.suggestions button{font-size:.8rem;border-color:#c1cfb6;background:transparent;padding:7px 12px}.how-card{background:#f1eee2;border:1px solid #e5e1d1}.how-card h2{font-size:1rem;margin-bottom:18px}.how-card ol{list-style:none;margin:0;padding:0;counter-reset:steps;display:grid;gap:16px}.how-card li{position:relative;padding-left:36px;font-size:.84rem;counter-increment:steps}.how-card li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;top:0;font-size:.7rem;color:#8c8c70;letter-spacing:.08em}.how-card li b{display:block;margin-bottom:2px}.how-card li span{color:var(--muted);font-size:.78rem}.small-note{font-size:.72rem;color:var(--muted);margin:20px 0 0}.notice-card{padding:20px 24px;border:1px solid var(--line);background:#f9faf4}.notice-card h2{font-size:.85rem;margin-bottom:6px}.notice-card p{font-size:.76rem;color:var(--muted);margin-bottom:0}.notice-card #variant-options{margin-top:12px}.notice-card #variant-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.notice-card button{font-size:1.1rem}
.library{margin-top:48px;border-top:1px solid var(--line);padding:36px 0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.section-heading .eyebrow{margin-bottom:4px}.section-heading h2{font-size:1.65rem;font-weight:650;margin-bottom:6px}.section-heading p:not(.eyebrow){font-size:.8rem;color:var(--muted);margin-bottom:0}.section-heading label{white-space:nowrap}.character-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:9px;min-height:96px}.character-grid button{aspect-ratio:1;font-size:1.75rem;font-family:"Kaiti TC","KaiTi",serif;font-weight:500;min-width:0;padding:4px;position:relative}.character-grid button[data-missing=true]{background:#f0eee6;color:#8c8d7f;border-style:dashed}.character-grid button[data-missing=true]:after{content:"待補";position:absolute;font-family:system-ui,sans-serif;font-size:.5rem;bottom:0;right:3px;line-height:1.5;color:#74796a}.pagination{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:24px}.pagination button,.pagination span{font-size:.8rem}.sources{border-top:1px solid var(--line);padding:22px 0;margin-bottom:32px;font-size:.78rem;color:var(--muted)}summary{cursor:pointer;font-weight:650;min-height:44px;padding:9px 0}.sources p{max-width:920px;margin-bottom:12px;overflow-wrap:anywhere}.sources p:last-child{margin-bottom:0}.sources a{display:inline-block;padding:4px 0}footer{max-width:1184px;padding:24px 32px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:.75rem;color:var(--muted);border-top:1px solid var(--line)}footer a:first-child{font-weight:750;text-decoration:none}.no-script{padding:24px;border:1px solid var(--line);border-radius:16px}
@media(max-width:900px){.workspace{grid-template-columns:minmax(0,1.2fr) minmax(260px,.9fr);gap:18px}.practice{padding:20px}.search-card,.how-card{padding:22px}.play-controls{grid-template-columns:1fr 1fr}.character-grid{grid-template-columns:repeat(9,minmax(0,1fr))}.board-settings{gap:8px}.character-navigation span{max-width:120px}}
@media(max-width:700px){main{padding:0 18px}.header{padding:16px 18px;gap:12px}.header nav{gap:12px}.header nav a{font-size:.75rem}.header nav a:nth-child(2){display:none}.header nav a:last-child{padding:7px 10px;gap:5px}.brand img{width:110px}.intro{padding:30px 0 24px;align-items:flex-start}.intro h1{font-size:2.2rem;letter-spacing:-.06em}.intro h1 span{display:block}.lead{font-size:.85rem}.intro .eyebrow{font-size:.65rem}.library-link{font-size:.75rem;gap:10px;align-self:flex-end}.workspace{display:flex;flex-direction:column}.practice{width:100%;padding:18px;border-radius:18px}.side{width:100%;display:contents}.search-card{order:-1;width:100%;padding:20px;border-radius:18px}.search-card h2{font-size:1.15rem;margin-bottom:4px}.search-card>p{font-size:.8rem;margin-bottom:12px}.input-note{margin-bottom:8px}.word-characters button{font-size:1.5rem;min-height:48px;min-width:44px}.suggestions{margin-top:14px;padding-top:12px}.suggestions p{display:none}.how-card{width:100%;padding:20px}.how-card ol{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.how-card li{padding-left:0;padding-top:22px}.how-card li b{font-size:.82rem}.how-card li span{font-size:.73rem}.how-card .small-note{margin-top:16px}.notice-card{width:100%}.practice-heading{margin-bottom:14px}.modes{margin-bottom:18px}.writing-area{max-width:440px}.board-settings{justify-content:space-between;gap:8px}.board-settings label{font-size:.75rem;gap:6px}.motion-option{flex-basis:100%;justify-content:flex-end}.character-navigation span{font-size:.65rem;max-width:120px}.section-heading{align-items:flex-start;flex-direction:column;gap:14px}.section-heading h2{font-size:1.5rem}.character-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}.character-grid button{font-size:1.6rem;min-height:44px}.pagination{gap:12px}.pagination button{padding:8px 10px}.pagination span{font-size:.72rem}.library{margin-top:30px;padding-top:28px}footer{padding:22px 18px;flex-wrap:wrap;justify-content:flex-start}footer span{flex:1}footer a:first-child{flex-basis:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}

.dictionary-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.dictionary-card h2{font-size:1rem;display:flex;align-items:center;justify-content:space-between}.dictionary-card h2 span{font-family:serif;font-size:1.8rem;color:var(--forest)}.dictionary-card dl{margin:16px 0 0;display:grid;gap:12px}.dictionary-card dl>div{display:grid;grid-template-columns:100px minmax(0,1fr);gap:10px}.dictionary-card dt{font-size:.75rem;color:var(--muted)}.dictionary-card dd{font-size:.85rem;margin:0;overflow-wrap:anywhere}.dictionary-card button{margin-top:12px;font-size:.8rem}.practice-tools{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}.practice-tools>div{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#f1eee2}.practice-tools h2{font-size:1.25rem;margin-bottom:14px}.practice-tools p{font-size:.85rem;color:var(--muted)}.practice-tools button{font-size:.8rem}.remember-option{display:flex;align-items:flex-start;gap:10px;font-size:.85rem}.remember-option input{accent-color:var(--forest);width:18px;height:18px;flex-shrink:0}.practice-tools .small-note{font-size:.75rem;margin:12px 0}#practice-history{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}#practice-history button{padding:8px 10px;font-size:.78rem}#print-sheet-output{display:none}
@media(max-width:700px){.practice-tools{grid-template-columns:1fr}.practice-tools>div{padding:20px}.dictionary-card{width:100%;padding:20px}}
@page{size:A4 portrait;margin:14mm}
@media print{body{background:#fff;color:#000;font-family:serif}body>*:not(#print-sheet-output){display:none!important}#print-sheet-output{display:block!important}#print-sheet-output header{display:flex;justify-content:space-between;gap:10mm;font-size:10pt}#print-sheet-output h1{font-size:18pt;margin:5mm 0;overflow-wrap:anywhere}#print-sheet-output p{font-size:9pt;margin:2mm 0 4mm}.sheet-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:2mm;margin:0 0 4mm;break-inside:avoid;page-break-inside:avoid}.sheet-cell{display:block;width:100%;height:auto;aspect-ratio:1;print-color-adjust:exact;-webkit-print-color-adjust:exact}#print-sheet-output footer{display:block;border:0;padding:0;margin-top:4mm;font-size:8pt;color:#444}.sheet-row:last-child{margin-bottom:0}}

.glyph-source{color:var(--muted);font-size:.75rem;margin:0 0 12px;overflow-wrap:anywhere}.copyright-notice{max-width:1184px;margin:0 auto;padding:0 32px 24px;color:var(--muted);font-size:.75rem;overflow-wrap:anywhere}.copyright-notice p{margin:0 0 10px}.copyright-notice a{padding:3px 0;display:inline-block}@media(max-width:700px){.copyright-notice{padding:0 18px 20px}}