.gt-shell{max-width:920px;margin:0 auto;padding:18px 16px 60px;font-family:Be Vietnam Pro,system-ui,sans-serif;color:var(--ink)}.gt-muted{color:var(--ink-soft)}.gt-crumb{font-size:.85rem;color:var(--ink-soft);margin:4px 0 10px}.gt-crumb a{color:var(--jade)}.gt-head{margin:6px 0 18px}.gt-kicker{margin:0;font-size:.8rem;font-weight:600;color:var(--seal)}.gt-head h1{font-size:clamp(1.6rem,4vw,2.2rem);line-height:1.25;margin:6px 0 4px}.gt-title-zh{font-family:"Noto Serif SC",serif;font-size:1.3rem;color:var(--jade);margin:0 0 8px}.gt-lead{color:var(--ink-soft);line-height:1.65;max-width:68ch;margin:0}.gt-tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.gt-btn{display:inline-flex;align-items:center;gap:6px;font:inherit;font-weight:600;font-size:.88rem;padding:8px 14px;border-radius:999px;border:1.5px solid #DCD4BF;background:#fff;color:var(--ink);text-decoration:none;cursor:pointer}.gt-btn:hover{border-color:var(--ink)}.gt-btn--primary{background:var(--seal);border-color:var(--seal);color:#fff}.gt-btn--primary:hover{background:#a92820}.gt-btn:focus-visible,.gt-opt:focus-visible,.gt-say:focus-visible{outline:2px solid var(--jade);outline-offset:2px}.gt-card{background:var(--card-bg, #fff);border:1px solid #E4DDCB;border-radius:14px;padding:16px 18px;margin:0 0 14px}.gt-card h2{font-size:1.15rem;margin:0 0 10px;color:var(--jade)}.gt-card h2 small{font-size:.8rem;color:var(--ink-soft);font-weight:500}.gt-card h3{font-size:1rem;margin:14px 0 6px}.gt-goals li{margin:4px 0;line-height:1.5}.gt-words{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px}.gt-word{display:grid;grid-template-columns:auto 1fr;column-gap:8px;align-items:center;padding:8px 10px;border:1px solid #EFE9DC;border-radius:10px;background:#fbf7ee;break-inside:avoid}.gt-word .gt-say{grid-row:span 4}.gt-zh{font-family:"Noto Serif SC",serif;font-size:1.15rem;display:block}.gt-py{display:block;color:var(--jade);font-size:.85rem}.gt-vi{display:block;font-size:.88rem}.gt-hv{display:block;font-size:.72rem;font-weight:700;color:#8a6a50;letter-spacing:.03em}.gt-say{width:32px;height:32px;border-radius:50%;border:1.5px solid #DCD4BF;background:#fff;cursor:pointer;font-size:.9rem;flex:none}.gt-line{display:flex;gap:10px;align-items:flex-start;padding:7px 0;border-top:1px dashed #EFE9DC;break-inside:avoid}.gt-line:first-child{border-top:0}.gt-gram{padding:6px 0 10px;border-top:1px solid #EFE9DC}.gt-gram:first-of-type{border-top:0}.gt-code{font-size:.78rem;font-weight:600;color:var(--jade);margin-left:6px}.gt-formula{font-family:"Noto Serif SC",Be Vietnam Pro,serif;background:#e5f1ec;border-radius:8px;padding:8px 10px;margin:6px 0}.gt-mistake{display:grid;gap:2px;background:#fbefea;border-radius:8px;padding:8px 10px;font-size:.9rem}.gt-mistake span:first-child{color:var(--seal);text-decoration:line-through}.gt-mistake span:nth-child(2){color:var(--jade);font-weight:600}.gt-mistake small{color:var(--ink-soft)}.gt-pattern{margin-bottom:8px}.gt-pattern h3{color:var(--seal);font-size:.95rem}.gt-chars{display:flex;flex-wrap:wrap;gap:8px}.gt-char{border:1px solid #EFE9DC;border-radius:10px;padding:8px 12px;text-align:center;min-width:96px;break-inside:avoid}.gt-char .gt-zh{font-size:1.8rem}.gt-char small{display:block;color:var(--ink-soft);font-size:.75rem}.gt-next{margin:10px 0 0;font-size:.9rem}.gt-next a{color:var(--jade);font-weight:700}.gt-practice{list-style:none;padding:0;margin:0;display:grid;gap:8px}.gt-practice a{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1.5px solid #E4DDCB;border-radius:12px;text-decoration:none;color:var(--ink);background:#fff}.gt-practice a:hover{border-color:var(--jade)}.gt-pi{width:34px;height:34px;border-radius:10px;background:#e5f1ec;display:grid;place-items:center;flex:none;font-weight:700;color:var(--jade)}.gt-practice small{display:block;color:var(--ink-soft);font-size:.8rem}.gt-arrow{margin-left:auto;color:var(--jade);font-weight:700}.gt-q{padding:10px 0;border-top:1px solid #EFE9DC;break-inside:avoid}.gt-q:first-of-type{border-top:0}.gt-q p{margin:0 0 6px}.gt-opts{display:flex;flex-wrap:wrap;gap:6px}.gt-opt{font:inherit;font-size:.92rem;padding:7px 12px;border-radius:10px;border:1.5px solid #DCD4BF;background:#fff;cursor:pointer}.gt-opt.is-ok{border-color:var(--jade);background:#e5f1ec}.gt-opt.is-no{border-color:var(--seal);background:#fbefea}.gt-explain{font-size:.88rem;color:var(--ink-soft);margin-top:6px!important}.gt-explain a{color:var(--seal);font-weight:600}.gt-score{margin:8px 0 0;font-weight:600;color:var(--jade)}.gt-pager{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:18px}.gt-locked ul{margin:6px 0 12px}.gt-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.gt-levels{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.gt-level{display:grid;gap:2px;padding:16px;border:1.5px solid #E4DDCB;border-radius:14px;background:#fff;text-decoration:none;color:var(--ink)}.gt-level b{font-size:1.3rem;color:var(--jade)}.gt-level span{color:var(--ink-soft);font-size:.85rem}.gt-toc{list-style:none;padding:0;margin:0;display:grid;gap:8px}.gt-toc a{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1.5px solid #E4DDCB;border-radius:12px;background:#fff;text-decoration:none;color:var(--ink)}.gt-toc a:hover{border-color:var(--jade)}.gt-toc-n{width:34px;height:34px;border-radius:50%;background:var(--jade);color:#fff;display:grid;place-items:center;font-weight:700;flex:none}.gt-toc small{display:block;color:var(--ink-soft);font-size:.82rem}.gt-free,.gt-lock{margin-left:auto;font-style:normal;font-size:.75rem;font-weight:700;padding:3px 8px;border-radius:999px;white-space:nowrap}.gt-free{background:#e5f1ec;color:var(--jade)}.gt-lock{background:#fbefea;color:var(--seal)}.only-print{display:none}@media (max-width:560px){.gt-card{padding:14px 12px}.gt-words{grid-template-columns:1fr 1fr}}@page{size:A4;margin:14mm 12mm}@media print{html,body{background:#fff!important}.site-header,#skill-nav-top,.no-print,.gt-say{display:none!important}.only-print{display:block}.gt-shell{max-width:none;padding:0;font-size:11pt}.gt-card{border:0;border-top:1.5pt solid #2F6F5E;border-radius:0;padding:6pt 0 4pt;margin:0 0 6pt;background:none}.gt-card h2{font-size:13pt;margin:2pt 0 4pt;break-after:avoid}.gt-card h3{break-after:avoid}.gt-words{grid-template-columns:repeat(3,1fr);gap:4pt}.gt-word{background:none;border:.6pt solid #ccc;padding:3pt 5pt}.gt-head h1{font-size:18pt}.gt-zh{font-size:12pt}.gt-char .gt-zh{font-size:18pt}.gt-explain[hidden]{display:block!important}.gt-opt{border:.6pt solid #999;padding:2pt 6pt}.gt-print-foot{font-size:9pt;color:#555;border-top:.6pt solid #ccc;padding-top:4pt;margin-top:8pt}a{color:inherit;text-decoration:none}}.gt-ws{display:none}.gt-zh-inline{font-family:"Noto Serif SC",serif}@media print{body:not(.gt-ws-print) .gt-ws{display:none!important}body.gt-ws-print .gt-shell>:not(.gt-ws){display:none!important}body.gt-ws-print .gt-ws{display:block;font-size:11pt;color:#000}.gt-ws-head p{margin:0;font-size:8.5pt;color:#555;border-bottom:1.2pt solid #2F6F5E;padding-bottom:2pt}.gt-ws-head h2{font-size:17pt;margin:6pt 0 4pt;color:#2f6f5e}.gt-ws-who{display:flex;gap:12pt;margin-bottom:8pt}.gt-ws-who span{flex:1;display:flex;align-items:flex-end;gap:4pt;white-space:nowrap}.gt-ws-line{display:inline-block;flex:1;min-width:30mm;border-bottom:.6pt dotted #555;height:1em}.gt-ws-line--full{display:block;width:100%;margin-top:7mm}.gt-ws-sec{margin:0 0 8pt}.gt-ws-sec h3{display:flex;align-items:center;gap:6pt;font-size:12pt;margin:8pt 0 3pt;color:#9c2a22;break-after:avoid}.gt-ws-sec h3 span{display:inline-grid;place-items:center;width:16pt;height:16pt;background:#c8322b;color:#fff;font-size:9pt}.gt-ws-note{margin:0 0 4pt;font-size:9.5pt;font-style:italic;color:#444}.gt-ws-remember table{width:100%;border-collapse:collapse;font-size:10pt}.gt-ws-remember th{width:32%;text-align:left;background:#9c2a22;color:#fff;padding:4pt 6pt;border:.6pt solid #9C2A22;-webkit-print-color-adjust:exact;print-color-adjust:exact}.gt-ws-remember td{padding:4pt 6pt;border:.6pt solid #bbb}.gt-ws-sec h3 span{-webkit-print-color-adjust:exact;print-color-adjust:exact}.gt-ws-q{padding:3pt 0;break-inside:avoid;line-height:1.9}.gt-ws-gap{display:inline-block;width:18mm;border-bottom:.8pt solid #000}.gt-ws-bank{border:.8pt solid #2F6F5E;padding:4pt 8pt;margin:0 0 4pt}.gt-ws-pic{display:grid;grid-template-columns:60mm 1fr;gap:8pt;break-inside:avoid}.gt-ws-scene{border:.8pt dashed #999;min-height:40mm;padding:6pt;font-size:9pt;color:#666;font-style:italic}.gt-ws-pic ul{list-style:none;margin:0;padding:0;display:grid;gap:7pt}.gt-ws-pic li{display:flex;gap:6pt;align-items:flex-end}.gt-ws-grid{display:grid;grid-template-columns:repeat(15,1fr);margin-top:8pt;border-top:.6pt solid #2F6F5E;border-left:.6pt solid #2F6F5E;break-inside:avoid}.gt-ws-grid i{aspect-ratio:1;border-right:.6pt solid #2F6F5E;border-bottom:.6pt solid #2F6F5E}.gt-ws-ans{break-before:page;font-size:9.5pt}.gt-ws-ans h3{font-size:12pt;color:#2f6f5e}.gt-ws-anslist{columns:2;column-gap:10mm;margin:0;padding-left:16pt}.gt-ws-anslist li{break-inside:avoid;margin-bottom:2pt}}.gt-ws-hint{font-size:9pt;color:#555}.gt-ws-pic li small{font-size:8.5pt;color:#666;white-space:nowrap}.gt-hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;max-width:640px;margin:12px 0 4px}.gt-hero-pic{width:100%;height:auto;aspect-ratio:4/3;border-radius:14px}.gt-word.has-pic{grid-template-columns:auto 1fr auto}.gt-word-pic{grid-column:3;grid-row:1 / span 4;width:64px;height:48px;border-radius:8px}.gt-pattern.has-pic{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:start}.gt-pattern-pic{width:100%;height:auto;aspect-ratio:4/3;border-radius:12px}@media (max-width:560px){.gt-pattern.has-pic{grid-template-columns:1fr}.gt-pattern-pic{max-width:220px}}@media print{.gt-hero{max-width:110mm;gap:4pt}.gt-hero-pic{border-radius:6pt}.gt-word-pic{width:16mm;height:12mm}.gt-pattern.has-pic{grid-template-columns:32mm 1fr;gap:8pt;break-inside:avoid}.gt-ws-scene.has-pics{display:grid;gap:3pt;padding:3pt;font-style:normal;min-height:0}.gt-ws-scene.has-pics.n2,.gt-ws-scene.has-pics.n3,.gt-ws-scene.has-pics.n4{grid-template-columns:1fr 1fr}.gt-ws-scene.has-pics img{width:100%;height:auto;aspect-ratio:4/3}}