:root{--ink:#45382f;--muted:#8a7c72;--paper:#fffdf7;--paper-dark:#f6f1e6;--lavender:#e9dff2;--violet:#827094;--yellow:#f6d88f;--rose:#c58d98;--green:#5a8875;--line:#e6ded1;--font: 'PingFang SC','Microsoft YaHei',system-ui,sans-serif;color-scheme:light;font-family:var(--font);font-size:16px;color:var(--ink);background:#e9dfd0;font-synthesis:none}
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p{font-size:16px;color:var(--muted)}.feature-intro .pet-image{width:260px;height:260px}
@media(min-width:1500px){.book-pages{min-height:490px}.word-page{padding-top:40px}.word-state{margin-top:62px}.example-page{padding:38px 38px 20px}.pet-stage{height:220px}}
@media(max-width:1230px){.app-shell{padding:0 26px}.brand-note,.header-note{display:none}.site-header{gap:20px;height:110px}.tab{min-width:126px;padding:20px 14px}.tabs{gap:6px}.learning-layout{grid-template-columns:minmax(0,1fr) 235px;gap:18px}.word-page,.example-page{padding:27px 25px 18px}.big-word{font-size:62px}.long-word{font-size:40px}.word-state{margin-top:45px}.word-meaning{font-size:19px}.pet-stage{height:175px}.paper-card{padding:19px}.example-copy p{font-size:20px}.book-bottom{padding:22px}.learning-stats{gap:8px;font-size:11px}.learning-stats b{font-size:14px}.word-page-bottom .handwritten{font-size:13px}.illustration-frame{margin-top:12px}.label{font-size:11px}}
@media(max-width:980px){.brand strong{font-size:32px}.brand-sub{font-size:11px;letter-spacing:1px}.tab{min-width:105px;font-size:14px;gap:7px}.tab .icon{width:20px}.learning-layout{grid-template-columns:1fr}.side-rail{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;gap:20px;margin-top:10px}.sticky-note{display:none}.companion{display:grid;grid-template-columns:120px 1fr;column-gap:12px}.companion .card-heading{grid-column:1/3}.pet-stage{grid-column:1;grid-row:2/7;height:132px}.companion .pet-title{margin-top:10px}.pet-bubble{display:none}.companion .reward-note{font-size:11px}.result-note .button{width:auto}.book-pages{min-height:450px}.big-word{font-size:80px}.long-word{font-size:52px}.illustration-frame{max-width:350px;margin:15px auto 25px}.word-state{margin-top:55px}.learning-stats{font-size:13px}.learning-stats .progress{max-width:240px}.learning-stats b{font-size:16px}.word-page-bottom{margin-top:48px}.example-copy p{font-size:23px}.word-page,.example-page{padding:30px}.word-meaning{font-size:22px}}
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@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}.section-heading h2{font-size:19px;font-weight:600}.section-heading .eyebrow{margin-bottom:0}.section-heading .text-button{font-size:13px;color:#9a829e}.game-options{display:grid;grid-template-columns:1fr 1fr;gap:22px}.game-choice{padding:30px;text-align:center;min-height:510px}.game-graphic{height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:30px;position:relative}.pair-graphic span{display:block;padding:18px 35px;background:#f7dfa5;border:1px solid #dbc38f;border-radius:8px;transform:rotate(-8deg);font:29px Georgia,serif;box-shadow:2px 4px 0 #ceba921f}.pair-graphic span+span{background:#e8dcef;border-color:#c6b4d1;transform:rotate(8deg);font:20px var(--font);margin-top:-10px;margin-left:40px}.quiz-graphic>span{border:1px solid #d6c4b5;background:#f9f3e6;box-shadow:4px 4px 0 #d8c9b61c;padding:30px 15px;font:italic 24px Georgia,serif;transform:rotate(4deg)}.quiz-graphic i{font-style:normal;background:#dce8d9;color:#6c8762;border:1px solid #bdcfb5;border-radius:5px;padding:11px 16px;font-size:15px;position:relative;top:-15px;transform:rotate(-4deg)}.quiz-graphic .icon{width:19px}.game-choice h2{font-size:24px;margin:12px 0}.game-choice p{color:var(--muted);font-size:15px;line-height:1.9}.game-choice .button{margin-top:28px;width:100%}.game-reward{font-size:12px;color:#a49687;margin-top:16px;display:block}.game-board{padding:34px 40px}.game-status{display:flex;justify-content:space-between;margin:28px 0 16px;font-size:14px;color:var(--muted)}.game-status b{font-size:17px;color:#8b709c;padding-left:6px}.match-columns{display:grid;grid-template-columns:1fr 1fr;gap:45px}.match-columns>div{display:flex;flex-direction:column;gap:12px}.match-tile{display:flex;align-items:center;justify-content:center;gap:6px;min-height:62px;background:#faf5e9;border:1px solid #dacdb9;border-radius:8px;padding:10px;font-size:19px;transition:all .15s;overflow-wrap:anywhere}.match-columns>div:nth-child(2) .match-tile{font-size:17px;background:#f5eff7;border-color:#dacfe0}.match-tile.selected{background:#f6dc9a!important;border-color:#b6985c!important;box-shadow:0 0 0 2px #e4c68b55}.match-tile.matched{color:#859a75;border-color:#d3ddc8!important;background:#edf2e7!important;opacity:.68}.match-tile.wrong{background:#f9e5e5!important;border-color:#cb8e8e!important}.match-tile .icon{width:20px}.game-feedback{display:flex;align-items:center;justify-content:center;gap:7px;min-height:56px;font-size:14px;color:#9b8671;margin-top:16px}.game-board>.button{display:flex;margin:auto}.game-feedback.success{color:var(--green)}.quiz-board{text-align:center;min-height:475px}.quiz-board .section-heading{margin-bottom:36px}.quiz-word{font-size:52px;font-family:Georgia,serif;display:flex;align-items:center;justify-content:center;gap:12px;margin:28px 0 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var(--line)}.history-list>button:last-child{border-bottom:0;padding-bottom:3px}.history-icon{background:#f0e5f1;padding:9px;border-radius:7px;color:#ad93b5}.history-icon .icon{width:20px}.history-list b{font-size:14px;font-weight:550}.history-list small{font-size:12px;color:#a28f7d;display:block;margin-top:6px}.history-list strong{margin-left:auto;white-space:nowrap;font-size:23px;color:#9f7d9d;font-family:Georgia,serif}.history-list em{font-style:normal;font:13px var(--font);color:#a8937f}.history-view{font-size:12px;color:#9d86a3;margin-left:14px}.dictation-sheet{padding:35px}.dictation-meta{display:flex;justify-content:space-between;color:#9e8c78;font-size:13px;margin:28px 0 13px}.dictation-meta b{color:#9c78a0}.dictation-row{display:grid;grid-template-columns:32px 1fr 1fr;gap:18px;align-items:center;border-top:1px dashed #dfd2c0;padding:18px 0}.question-number{font-family:Georgia,serif;font-size:17px;color:#b3a18b}.question-prompt{font-size:17px;line-height:1.7}.question-prompt 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12px;transform:rotate(9deg);font-family:Georgia,serif}.correction-summary{display:flex;gap:30px;align-items:center;padding:10px 0 22px}.correction-summary .result-big{white-space:nowrap;margin:10px 0}.correction-summary b{font-size:16px;font-weight:550;line-height:1.7}.correction-summary p:not(.result-big){font-size:12px;color:#a08c7a;margin-top:10px}.correction-row{display:grid;grid-template-columns:25px 1fr 1fr 30px;gap:15px;align-items:center;border-top:1px dashed var(--line);padding:17px 0;font-size:15px}.correction-status .icon{width:19px;color:#739477}.correction-row.incorrect .correction-status .icon{color:#be8290}.correction-meaning small{color:#b6a289;font:13px Georgia,serif;margin-right:12px}.correction-answer{display:flex;flex-direction:column;gap:5px;font-family:Georgia,serif;font-size:21px;overflow-wrap:anywhere}.correction-answer>b{font-weight:500;color:#678562}.correction-answer del{font-size:16px;text-decoration-color:#c17a7a;color:#c19194}.correction-row.incorrect .correction-answer b{color:#906b98}.pet-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:25px;max-width:1120px;margin:auto}.pet-home{text-align:center;padding:35px}.large-pet-stage{max-width:360px;height:340px;margin:12px auto 18px;position:relative}.large-pet-stage .pet-image{transition:transform .3s}.pet-hello{position:absolute;right:-20px;top:25px;transform:rotate(9deg);font-size:18px;color:#9b819a}.pet-name-line{display:flex;justify-content:center;align-items:center;gap:12px}.pet-name-line h2{font-size:27px}.pet-caption{font-size:14px;color:#a08c7b;margin-top:13px;line-height:1.8}.pet-growth{max-width:360px;margin:25px auto}.pet-growth .progress-label{font-size:12px}.pet-growth .progress{height:12px}.treat-count{padding:1px 9px;border-radius:15px;background:#fff5d6;color:#a08551;font-size:13px}.pet-details{display:flex;flex-direction:column;gap:20px}.pet-details .paper-card{padding:28px}.pet-numbers{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;padding-top:10px}.pet-numbers strong{display:block;font:36px Georgia,serif;color:#a382a8}.pet-numbers span{display:block;font-size:12px;color:#a79482;margin-top:10px}.badge{display:flex;gap:14px;align-items:center;padding:15px 0;opacity:.5}.badge.earned{opacity:1}.badge>span{padding:11px;border:1px dashed #c3b298;border-radius:50%;background:#f3ecda;color:#b5a078}.badge.earned>span{background:#f9e4a8;color:#a78b4e;border-color:#d2b476}.badge b{font-size:14px;font-weight:550}.badge p{font-size:12px;color:#a18d79;margin-top:5px}.badge small{margin-left:auto;font-size:11px;color:#9c8b73}.growth-tips h2{font-size:20px;margin:10px 0 18px}.growth-tips p{display:flex;justify-content:space-between;font-size:14px;color:#a18e79;margin-bottom:12px}.growth-tips p>b{font-weight:500;color:#a38caf}.growth-tips .button{width:100%;margin-top:8px}.name-label{display:block;font-size:14px;color:#9d8774;margin-bottom:12px}.text-input{display:block;width:100%;padding:13px;border:1px solid #cfbcd5;border-radius:8px;background:#f9f4f9;color:var(--ink);margin-bottom:23px}.happy{animation:pet-hop .65s ease-in-out}@keyframes pet-hop{0%,100%{transform:translateY(0) rotate(0)}30%{transform:translateY(-17px) rotate(-4deg)}70%{transform:translateY(-5px) rotate(4deg)}}
@media(max-width:1230px){.game-choice{padding:23px}.game-board{padding:28px}.game-graphic>span{font-size:24px;padding-left:20px;padding-right:20px}.game-reward{font-size:11px}.dictation-setup{padding:30px}.mode-options label>span{padding:20px 15px}.mode-options b{font-size:14px}.mode-options small{font-size:12px}.dictation-row{gap:12px}.question-prompt{font-size:16px}.history-view{display:none}}
@media(max-width:980px){.pet-layout{grid-template-columns:1fr 1fr;gap:18px}.pet-details .paper-card{padding:21px}.large-pet-stage{height:295px}.pet-hello{font-size:15px;right:0}.pet-home{padding:24px}.game-choice{min-height:470px}.dictation-sheet,.correction-sheet{padding:30px}}
@media(max-width:650px){.game-options{grid-template-columns:1fr;gap:17px}.game-choice{display:grid;grid-template-columns:110px 1fr;column-gap:18px;min-height:0;text-align:left;padding:24px 20px}.game-graphic{grid-column:1;grid-row:1/5;height:140px;margin:0}.pair-graphic span{font-size:21px;padding:14px 18px}.pair-graphic span+span{font-size:14px;margin-left:0;padding:13px}.quiz-graphic>span{font-size:18px;padding:20px 9px}.quiz-graphic i{font-size:10px;padding:8px}.quiz-graphic .icon{width:14px}.game-choice h2{font-size:21px;margin:3px 0 10px}.game-choice .eyebrow{font-size:8px;letter-spacing:1px}.game-choice p{font-size:13px}.game-choice .button{font-size:14px;padding:10px 14px;margin-top:18px}.game-reward{grid-column:1/3;text-align:center;font-size:11px;margin-top:20px}.game-board{padding:23px 20px}.section-heading h2{font-size:19px}.section-heading .text-button{font-size:12px}.game-status{font-size:12px;margin-top:23px}.game-status b{font-size:15px}.match-columns{gap:20px}.match-tile{font-size:18px;min-height:58px;padding:8px}.match-columns>div:nth-child(2) .match-tile{font-size:14px}.game-feedback{font-size:12px}.quiz-word{font-size:43px;margin:25px 0}.quiz-options{grid-template-columns:1fr;gap:11px}.quiz-option{font-size:16px;padding:14px;min-height:56px}.quiz-complete{padding:40px 23px}.quiz-complete h2{font-size:23px}.center-actions{gap:10px;margin-top:23px}.center-actions .button{font-size:14px;padding:11px 15px}.dictation-setup{padding:27px 21px}.dictation-setup>h2{font-size:21px}.setup-description{font-size:13px;line-height:1.8;margin-bottom:25px}.mode-options{grid-template-columns:1fr;gap:10px}.mode-options label>span{position:relative;display:grid;grid-template-columns:27px 1fr;column-gap:12px;padding:16px}.mode-options span>.icon{grid-row:1/3;align-self:center;width:23px}.mode-options b{font-size:14px;padding-right:12px}.mode-options small{font-size:11px}.mode-options input{top:16px;right:13px;width:14px}.form-selects{grid-template-columns:1fr;gap:20px;margin:24px 0}.form-selects label{font-size:13px;gap:8px}.dictation-setup .primary{width:100%;font-size:14px}.form-hint{font-size:11px}.history-card{padding:23px 20px}.history-list>button{gap:11px}.history-list small{font-size:10px}.empty-history{font-size:13px}.dictation-sheet,.correction-sheet{padding:24px 19px}.dictation-meta{font-size:12px;margin-top:22px}.dictation-row{grid-template-columns:24px 1fr;gap:9px;padding:16px 0}.question-prompt{font-size:16px}.dictation-row input{grid-column:2;font-size:22px;padding:9px 8px}.dictation-submit{flex-direction:column;align-items:stretch;gap:15px}.dictation-submit .muted{max-width:none}.dictation-submit .button{width:100%}.correction-summary{gap:18px}.result-big{font-size:48px}.result-big>span{font-size:13px}.correction-summary b{font-size:12px}.correction-summary p:not(.result-big){font-size:10px}.grade-stamp{font-size:21px;padding:6px 8px}.correction-row{grid-template-columns:18px 1fr 1fr 23px;gap:10px;font-size:13px;padding:14px 0}.correction-meaning small{display:block;margin:0 0 3px;font-size:10px}.correction-answer{font-size:18px}.correction-answer del{font-size:14px}.correction-row .icon-button{width:27px;padding:5px}.correction-row .icon{width:17px}.pet-layout{grid-template-columns:1fr}.pet-home{padding:25px 20px}.large-pet-stage{height:280px;max-width:285px;margin-top:20px}.pet-caption{font-size:12px}.pet-name-line h2{font-size:25px}.pet-details{gap:15px}.pet-home .form-hint{font-size:11px}.pet-hello{font-size:15px}.pet-numbers strong{font-size:31px}}
/* Keep labels readable and tabs intact at the narrow tablet breakpoint. */
.tab span{white-space:nowrap}.eyebrow{font-size:12px}.page-number,.label,.progress-label,.reward-note,.form-hint,.site-footer,.badge small,.game-reward,.word-state{font-size:12px}.muted{font-size:14px}.history-list{max-height:480px;overflow:auto}.site-footer{line-height:1.8}.word-state{letter-spacing:1.2px}.word-page .label{max-width:calc(100% - 38px);line-height:1.6}.quiz-board .eyebrow{font-size:12px}
@media(max-width:800px){.site-header{height:auto;display:grid;grid-template-columns:1fr;gap:21px;padding-top:25px}.tabs{margin:0;width:100%;gap:5px}.tab{flex:1;min-width:0;font-size:14px;padding:15px 8px}.tab.active{padding-top:15px}.brand-note,.header-note{display:none}}
@media(max-width:650px){.tab{font-size:13px;padding:12px 3px}.tab.active{padding-top:12px}.eyebrow{font-size:10px}.word-state{font-size:11px}.label,.page-number,.progress-label,.reward-note,.form-hint,.badge small,.game-reward{font-size:12px}.site-footer{font-size:11px}.learning-actions .button{font-size:14px}.example-copy>span:last-child{font-size:14px}.game-choice p{font-size:14px}.mode-options small{font-size:12px}.question-prompt{font-size:16px}.toolbar .unit-picker label{font-size:12px}}
/* A small bookshelf, shared by every learning page. */
.brand strong.journal-brand{font-size:32px;letter-spacing:4px;font-weight:700}.study-selectors{display:flex;align-items:center;gap:22px}.study-selectors .unit-picker{display:flex;align-items:end;flex-direction:column;gap:7px}.study-selectors .unit-picker select{max-width:260px;font-size:14px}.book-switcher{display:flex;align-items:center;text-align:left;gap:12px;padding:12px 15px;background:#faf5ee;border:1px solid #d5c7dc;border-radius:10px;min-width:245px;min-height:70px;box-shadow:1px 3px 0 #cbbdcd16}.book-switcher:hover{border-color:#a589b0;background:#fffbf5}.book-mini-icon{display:grid;place-items:center;width:35px;height:43px;border-radius:3px 7px 7px 3px;background:#e5d8ed;border-left:3px solid #bea9cc;color:#8d6ea0}.book-switcher.peach .book-mini-icon{background:#f4e0c8;border-color:#dcbd98;color:#b28a58}.book-switcher.sage .book-mini-icon{background:#dce8da;border-color:#afc5a5;color:#78996b}.book-mini-icon .icon{width:20px}.book-switcher small{display:block;font-size:12px;color:#9b879f;line-height:1.7}.book-switcher strong{display:block;font-size:18px;margin-top:1px;font-weight:600}.switch-label{margin-left:auto;font-size:13px;color:#9e86a6;padding-left:8px;white-space:nowrap}.bookshelf-dialog{width:940px;padding:38px;max-height:90vh}.bookshelf-dialog h2{font-size:27px;margin-bottom:10px;letter-spacing:2px}.bookshelf-dialog p.bookshelf-intro{font-size:15px;color:var(--muted);margin-bottom:25px}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.book-option{border:1px solid #e1d6c7;border-radius:10px;overflow:hidden;min-width:0;background:#fffdf8}.book-option.current{border-color:#b49bc3;box-shadow:0 0 0 2px #dfd0e744}.book-cover{background:#ece1f1;border-bottom:1px solid #d7c6e1;color:#846793;min-height:228px;padding:22px 23px 19px;position:relative;border-left:7px solid #c6b1d4}.book-volume{display:block;font:12px Georgia,serif;letter-spacing:2px;margin-bottom:24px;opacity:.7}.book-cover>.icon{position:absolute;right:20px;top:20px;width:25px;height:25px;stroke-width:1.1;opacity:.55}.book-cover h3{font-size:29px;font-weight:650;line-height:1.3;margin:0 0 11px}.book-cover p{font-size:14px;margin:0 0 29px;line-height:1.5}.book-scope{display:inline-block;font-size:12px;padding:5px 8px;background:#fffdf359;border-radius:3px}.book-option.peach .book-cover{background:#f5e4cb;border-left-color:#debc95;border-bottom-color:#e1c9a6;color:#a77a45}.book-option.sage .book-cover{background:#e1ebdc;border-left-color:#b5caa9;border-bottom-color:#c3d4b8;color:#729160}.book-detail{padding:20px}.bookshelf-dialog .book-description{font-size:14px;line-height:1.8;color:#948172;min-height:76px;margin-bottom:10px}.book-counts{display:flex;gap:14px;font-size:13px;color:#a9917b;margin-bottom:22px}.book-progress-label{display:flex;justify-content:space-between;color:#a08d98;font-size:12px;margin-bottom:8px}.book-detail .button{width:100%;margin-top:22px;font-size:14px}.book-detail .button:disabled{opacity:.65}.bookshelf-dialog .bookshelf-note{font-size:12px;color:#a1917d;margin:23px 0 0;line-height:1.8}.bookshelf-dialog .book-switch-notice{font-size:14px;padding:12px 16px;background:#faecc7;color:#9a7b40;border-radius:7px;margin:0 0 22px}.book-switcher:focus-visible{outline-offset:4px}
@media(max-width:1230px){.study-selectors{gap:14px}.book-switcher{min-width:220px}.study-selectors .unit-picker select{max-width:220px}}
@media(max-width:980px){.toolbar{flex-wrap:wrap;align-items:center;gap:20px}.study-selectors{gap:12px}.book-switcher{min-width:220px}.study-selectors .unit-picker select{max-width:240px}.bookshelf-dialog{padding:30px}.book-grid{gap:14px}.book-cover{padding:20px 16px;min-height:218px}.book-cover h3{font-size:25px}.book-detail{padding:16px}}
@media(max-width:720px){.toolbar{display:block}.study-selectors{margin-top:21px;display:grid;grid-template-columns:1fr;gap:14px}.book-switcher{width:100%;min-height:67px;padding:10px 14px}.book-switcher strong{font-size:17px}.study-selectors .unit-picker{max-width:none;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:8px}.study-selectors .unit-picker label{font-size:12px;text-align:left;margin:0}.study-selectors .unit-picker select{width:auto;max-width:65%;font-size:12px}.bookshelf-dialog{padding:28px 20px;max-height:88vh}.bookshelf-dialog h2{font-size:23px}.bookshelf-dialog p.bookshelf-intro{font-size:14px;line-height:1.8}.book-grid{grid-template-columns:1fr;gap:17px}.book-option{display:grid;grid-template-columns:40% 1fr}.book-cover{padding:19px 14px;min-height:245px;border-bottom:0;border-right:1px solid #e5d8cc}.book-volume{font-size:10px;margin-bottom:34px}.book-cover>.icon{right:11px;top:38px;width:20px}.book-cover h3{font-size:20px;margin-bottom:12px;line-height:1.5}.book-cover p{font-size:12px;margin-bottom:20px;line-height:1.8}.book-scope{font-size:11px;padding:4px 5px;line-height:1.6}.book-detail{padding:19px 14px;display:flex;flex-direction:column;justify-content:center}.bookshelf-dialog .book-description{font-size:12px;min-height:0;line-height:1.8;margin-bottom:13px}.book-counts{font-size:12px;gap:10px;margin-bottom:17px}.book-detail .button{font-size:13px;padding:10px;min-height:40px;margin-top:18px}.book-progress-label{font-size:11px}.bookshelf-dialog .bookshelf-note{font-size:12px}.brand strong.journal-brand{font-size:29px;letter-spacing:3px}}