/* Local design proposal only: the viewport is the learning canvas. */
html,body{height:100%;min-height:0}body{overflow:hidden}.app{height:100dvh;min-height:620px;padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.shell{height:100%;max-width:1240px;display:flex;flex-direction:column;gap:12px}.app-header{flex-shrink:0;margin:0;grid-template-columns:1fr auto auto;padding:0;row-gap:6px}.app-header .logo{width:42px;height:42px}.app-header .brand h1{font-size:21px}.brand p,.account-bar,.footnote,.math-footnote{display:none}.app-header>.brand{grid-area:auto}.app-header>.subject-tabs{grid-area:auto;width:auto;gap:4px;padding:3px;border:2px solid var(--skin-line);border-radius:14px;background:var(--card);min-height:0;height:50px}.app-header .subject-tabs button{min-height:40px;padding:0 18px;border-radius:9px}.app-header .subject-tabs button[aria-selected=true]{background:var(--skin-accent)!important;color:white!important}.app-header .subject-tabs button:after{display:none}.parent-menu{position:relative}.parent-menu>summary{list-style:none;display:flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 14px;background:var(--card);border:2px solid var(--skin-line);border-radius:14px;font-size:14px;font-weight:700;cursor:pointer;color:var(--ink)}.parent-menu>summary::-webkit-details-marker{display:none}.parent-menu svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2}.parent-tools{position:absolute;right:0;top:54px;padding:14px;background:var(--card);border:2px solid var(--skin-line);border-radius:18px;z-index:70;width:230px;box-shadow:0 8px 24px #24214924}.app-header .parent-tools .top-actions{display:grid!important;grid-template-columns:1fr;width:100%;gap:10px}.app-header .parent-tools .btn{width:100%;height:46px;justify-content:center}.skin-menu{position:fixed;right:20px;top:80px;max-height:calc(100dvh - 110px)}main.grid{flex:1;min-height:0;display:flex}#hanziStudy{flex:1;min-height:0;margin:0;padding:0;border:0;background:none;display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px;max-width:none}.learning-aside{padding:18px;align-self:stretch;display:flex;flex-direction:column;border-radius:22px}.side-intro{display:block;font-size:24px;line-height:1.6}.learning-aside .library-switch{margin:0;display:flex;flex-direction:column;align-items:stretch}.learning-aside .library-switch select{width:100%;height:48px;min-height:48px}.skin-companion{display:block;margin-top:auto;padding-top:20px}.learning-content{display:flex;flex-direction:column;gap:12px;min-height:0}.learning-content .toolbar{margin:0;gap:8px;flex-wrap:nowrap}.toolbar>.segment{flex:1 1 auto}.toolbar>.segment button{flex:1;padding:0 12px;font-size:16px;min-height:44px}.study-filter,.lengths{display:none!important}.study-scope-select{height:52px;min-height:44px;width:116px;flex:none;padding:0 28px 0 12px;font-size:14px;font-weight:650;border:2px solid var(--skin-line);border-radius:14px;background-color:var(--card);color:var(--ink)}.progress{margin:0!important;font-size:12px;flex-shrink:0}.card-wrap{flex:1;min-height:0;padding:0;container-type:size}.flashcard,.flashcard:has(.idiom-word),.flashcard:has(.word){height:100%;min-height:0!important;width:100%;padding:34px 20px 18px!important;display:flex;align-items:center;justify-content:center;border-radius:28px}.flashcard .watermark{top:16px;left:18px;font-size:12px}.flashcard .glyph{width:min(40cqh,250px);height:min(40cqh,250px);min-height:0;max-width:100%}.flashcard .char{font-size:clamp(80px,36cqh,210px)}.flashcard .word{font-size:clamp(38px,15cqh,90px)!important;overflow-wrap:anywhere}.flashcard .glyph:has(.word){width:auto;height:auto;min-height:0}.flashcard .pinyin{font-size:clamp(24px,5cqh,36px);margin:12px 0 0}.flashcard .word-pinyin{font-size:clamp(16px,4cqh,26px);margin-top:12px}.flashcard .example{margin-top:10px;font-size:16px}.flashcard .idiom-meaning{font-size:15px;line-height:1.6;max-width:32em}.flashcard .skin-art{display:none}.empty .big{width:130px;height:100px}.empty h2{font-size:22px}.empty p{font-size:15px}.action-dock{flex-shrink:0;margin:0!important;grid-template-columns:100px 130px minmax(0,1fr) minmax(120px,1.4fr);gap:10px}.action-dock #speakBtn,.action-dock #favoriteBtn,.action-dock .card-actions button{height:56px;min-height:56px}.library-panel{z-index:90}.library-backdrop{z-index:89}.parent-tools p{font-size:12px;line-height:1.6;color:var(--muted);margin:12px 0 0}.length-trigger{border:0;background:none;color:var(--skin-accent);text-decoration:underline;min-height:44px;font-size:13px}.math-panel{flex:1;min-height:0;margin:0;max-width:1080px;display:flex;flex-direction:column;gap:10px}.math-panel[hidden],#hanziStudy[hidden]{display:none!important}.math-heading,.math-scope{display:none}.math-mode-tabs{margin:0;flex-shrink:0}.math-mode-tabs button{min-height:44px;padding:8px}.math-options{gap:12px;flex-shrink:0}.math-options label{display:flex;align-items:center;gap:10px;min-width:0;font-size:13px}.math-options label[hidden]{display:none}.math-options select{min-height:44px;height:44px;margin:0;padding-top:0;padding-bottom:0;flex:1;font-size:15px}.math-round{margin:0;font-size:12px;flex-shrink:0}.math-learning{flex:1;min-height:0!important;position:relative;display:flex;flex-direction:column;justify-content:center;padding:16px!important;gap:8px;container-type:size}.math-card-top{position:absolute;top:12px;left:16px;right:16px;z-index:1}.math-card-top button{width:44px;height:44px}.math-equation{margin:26px 0 0;font-size:clamp(40px,10cqh,68px);line-height:1.15}.math-equation.number{font-size:clamp(60px,25cqh,130px);margin:24px 0 0}.math-number-name{margin:0;font-size:26px}.math-caption{margin:0;font-size:14px}.math-model{margin:10px 0;gap:10px}.math-answer-form{width:100%;max-width:420px;margin:0 auto}.math-answer-form label{font-size:12px;margin:0 0 6px}.math-answer-form .math-answer-row{gap:8px}.math-answer-form input,.math-answer-form button[type=submit]{height:46px;min-height:46px;font-size:20px}.math-answer-form .math-keypad{margin-top:8px;gap:7px}.math-keypad button{min-height:44px;height:44px;font-size:24px}.math-keypad .math-key-action{font-size:14px}.math-feedback{font-size:14px;margin:0;line-height:1.4}.math-text-button{min-height:32px;margin:0;padding:0;font-size:13px}.math-bottom-actions{margin:0;flex-shrink:0;gap:10px}.math-bottom-actions button{height:50px;min-height:50px;padding:8px;font-size:15px}.help-launcher{display:flex;justify-content:center;gap:12px;flex-shrink:0}.help-launcher button{border:0;background:transparent;color:var(--accent);font-size:14px;min-height:36px;text-decoration:underline;text-underline-offset:4px}.study-sheet{width:min(580px,calc(100% - 24px));max-height:85dvh;padding:22px;border:2px solid var(--skin-line);border-radius:24px;background:var(--card);color:var(--ink);overflow:auto;overscroll-behavior:contain}.study-sheet::backdrop{background:#24214970}.sheet-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.sheet-title h2{margin:0;font-size:21px}.sheet-title button{height:44px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--skin-soft);color:var(--ink)}.study-sheet .math-lesson,.study-sheet .math-helper{margin:0;border:0;padding:0}.study-sheet .math-step-actions button{min-height:48px}.study-sheet .lengths{display:flex!important;flex-wrap:wrap}.study-sheet .lengths[style*="none"]{display:flex!important}.scope-settings{min-height:44px}.math-learning:not(:has(.math-answer-form[hidden])) .math-caption{display:none}.math-learning:has(.math-answer-form:not([hidden])) .math-equation{margin-top:42px;margin-bottom:2px}.math-learning:has(.math-answer-form:not([hidden])){justify-content:flex-start}
@media(min-width:740px){.math-learning:has(.math-answer-form:not([hidden])){display:grid;grid-template-columns:1fr minmax(280px,42%);grid-template-rows:1fr auto;align-content:center;align-items:center;column-gap:24px;padding:54px 24px 20px!important}.math-learning:has(.math-answer-form:not([hidden])) .math-equation{grid-column:1;grid-row:1;margin:0}.math-answer-form{grid-column:2;grid-row:1/3}.help-launcher{grid-column:1;grid-row:2}.math-feedback{grid-column:1;grid-row:2;align-self:end}.math-text-button{position:absolute;left:24px;bottom:18px}.math-answer-form .math-keypad button{height:clamp(48px,7cqh,72px)}.math-learning:has(.math-answer-form:not([hidden])) .math-feedback:not([hidden])~.help-launcher{margin-bottom:34px}}
@media(max-width:999px){#hanziStudy{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);gap:12px}.learning-aside{padding:0!important;border:0!important;box-shadow:none!important;display:block;transform:none!important}.side-intro,.skin-companion{display:none}.learning-aside .library-switch{flex-direction:row;align-items:center;gap:10px}.library-switch label{font-size:12px}.learning-aside .library-switch select{width:auto;flex:1;font-size:15px;padding-right:38px;box-shadow:2px 3px 0 var(--skin-shadow)}.learning-content{gap:12px!important}[data-skin=monsters] .learning-content{padding:12px!important;border-radius:26px!important}}
@media(max-width:739px){.app{padding:10px 12px max(14px,env(safe-area-inset-bottom))}.shell{gap:10px}.app-header{grid-template-columns:1fr auto;gap:8px!important}.app-header>.brand{grid-column:1!important;grid-row:1!important;gap:8px;min-width:0}.app-header>.brand h1{font-size:19px;letter-spacing:0}.app-header>.parent-menu{grid-column:2;grid-row:1}.app-header>.subject-tabs{grid-column:1/-1!important;grid-row:2!important;width:100%!important;height:48px!important}.app-header .subject-tabs button{flex:1;min-height:38px}.app-header .logo{width:36px;height:36px}.parent-menu>summary{height:44px;font-size:13px}.learning-aside .library-switch{gap:8px}.learning-aside .library-switch select{height:44px;min-height:44px}.learning-content .toolbar{gap:8px}.toolbar>.segment{flex:1 1 0!important;min-width:0}.toolbar>.segment button{font-size:15px!important;min-width:0;padding:0 4px!important;min-height:38px!important}.study-scope-select{width:104px;height:48px;padding-left:10px;font-size:13px}.progress{font-size:11px;gap:8px}.action-dock{grid-template-columns:1fr 1.35fr!important;gap:9px}.action-dock #speakBtn,.action-dock #favoriteBtn,.action-dock .card-actions button{height:48px;min-height:48px;font-size:15px}.flashcard{padding:30px 14px 14px!important;border-radius:22px}.flashcard .glyph{width:min(47cqh,200px);height:min(47cqh,200px)}.flashcard .char{font-size:clamp(72px,43cqh,174px)}.flashcard .pinyin{font-size:27px;margin-top:6px}.flashcard .example{font-size:14px;margin-top:6px}.flashcard .word-pinyin{font-size:17px}.empty h2{font-size:18px}.empty p{font-size:13px}.empty .big{height:80px;width:100px}.math-panel{gap:8px}.math-mode-tabs button{font-size:15px}.math-learning{gap:6px;padding:12px!important}.math-card-top{top:8px;left:12px;right:12px;font-size:12px}.math-equation{font-size:44px}.math-keypad button{height:44px;min-height:44px}.math-answer-form input{font-size:23px}.help-launcher button{font-size:13px;min-height:28px}.math-answer-form .math-keypad{gap:6px;margin-top:7px}.math-options select{font-size:14px}.math-bottom-actions button{height:46px;min-height:46px}.math-learning:has(.math-answer-form:not([hidden])) .math-equation{margin-top:40px}.math-answer-form label{display:none}.math-learning:has(.math-answer-form:not([hidden])) .math-feedback{position:absolute;bottom:36px;left:12px;right:12px;padding:6px;background:var(--card);border:1px solid var(--line);border-radius:8px;z-index:2}.math-learning:has(.math-answer-form:not([hidden])) .math-text-button{position:absolute;bottom:8px;right:12px;min-height:28px}.math-learning:has(.math-answer-form:not([hidden])) .help-launcher{align-self:flex-start}.math-model{transform:scale(.85);margin:4px 0}.study-sheet{margin:auto auto 12px;max-height:82dvh}[data-skin=doodle] .app-header{padding:8px!important}[data-skin=monsters] .learning-content{padding:8px!important}}
@media(max-height:700px) and (max-width:739px){.app{padding-top:6px;padding-bottom:10px}.shell{gap:8px}.learning-content{gap:8px!important}#hanziStudy{gap:8px}.math-panel{gap:5px}.math-options label{font-size:12px}.math-options select{height:40px;min-height:40px}.math-learning:has(.math-answer-form:not([hidden])) .math-equation{font-size:36px;margin-top:34px}.math-answer-form .math-keypad{gap:5px}.math-learning{gap:4px}.math-card-top button{width:38px;height:38px}}
@media(max-height:619px){body{overflow:auto}.app{height:auto;min-height:620px}.shell{height:600px}}
.math-answer-form button[type=submit]{white-space:nowrap;font-size:15px;padding:0 10px;min-width:96px;flex-shrink:0}
@media(min-width:740px){.math-learning:has(.math-answer-form:not([hidden])) .math-equation{font-size:clamp(60px,8vw,96px)}.math-answer-form .math-keypad button{height:clamp(58px,9cqh,82px)}.flashcard .glyph{width:min(44cqh,310px);height:min(44cqh,310px)}.flashcard .char{font-size:clamp(130px,39cqh,270px)}}
/* Landscape uses horizontal space; never reuse the tall portrait stack. */
@media(orientation:landscape) and (min-width:620px) and (max-height:600px){
 body{overflow:hidden}.app{height:100dvh;min-height:0;padding:max(8px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}.shell{height:100%;gap:8px}.app-header{grid-template-columns:1fr auto auto;gap:10px!important}.app-header>.brand{grid-column:1!important;grid-row:1!important}.app-header>.subject-tabs{grid-column:2!important;grid-row:1!important;width:auto!important;height:44px!important;padding:2px;min-height:0}.app-header>.parent-menu{grid-column:3;grid-row:1}.app-header .subject-tabs button{min-height:36px;padding:0 15px}.app-header .brand h1{font-size:18px}.app-header .logo{height:34px;width:34px}.parent-menu>summary{height:44px}.parent-tools{top:48px;max-height:calc(100dvh - 75px);overflow:auto}.app-header .parent-tools .btn{height:44px}.skin-menu{top:62px;max-height:calc(100dvh - 78px)}
 #hanziStudy{grid-template-columns:160px minmax(0,1fr);grid-template-rows:minmax(0,1fr);gap:14px}.learning-aside{display:block;padding:12px!important;background:var(--card)!important;border:2px solid var(--skin-line)!important;border-radius:18px;align-self:stretch}.learning-aside .library-switch{display:flex;flex-direction:column;align-items:stretch;gap:6px}.learning-aside .library-switch select{width:100%;flex:none;height:48px;min-height:48px;padding-left:8px;font-size:14px;box-shadow:none}.side-intro{display:block;font-size:19px;line-height:1.6;margin:0 0 12px}.skin-companion{display:none}.learning-content{display:grid!important;grid-template-columns:minmax(0,1fr) 160px;grid-template-rows:46px 16px minmax(0,1fr);gap:8px 12px!important}.learning-content .toolbar{grid-column:1;grid-row:1;gap:6px}.toolbar>.segment button{font-size:14px!important;min-height:36px!important;padding:0 8px!important}.study-scope-select{width:88px;height:44px;min-height:44px;padding-left:8px;font-size:12px}.progress{grid-column:1;grid-row:2;font-size:11px}.card-wrap{grid-column:1;grid-row:3}.action-dock{grid-column:2;grid-row:1/4;display:flex;flex-direction:column;justify-content:flex-end;gap:10px!important}.action-dock #speakBtn,.action-dock #favoriteBtn,.action-dock .card-actions button{height:46px;min-height:46px;font-size:14px}.flashcard{padding:22px 12px 10px!important;border-radius:18px}.flashcard .watermark{top:9px;font-size:10px}.flashcard .glyph{width:min(46cqh,140px);height:min(46cqh,140px)}.flashcard .char{font-size:clamp(55px,43cqh,125px)}.flashcard .pinyin{font-size:20px;margin-top:3px}.flashcard .example{font-size:12px;margin-top:3px}.flashcard .word{font-size:clamp(30px,26cqh,62px)!important}.flashcard .word-pinyin{font-size:14px;margin-top:4px}.flashcard .idiom-meaning{font-size:12px;margin-top:4px;line-height:1.4}.card-wrap:before{display:none}.empty .big{height:50px;width:65px;margin-bottom:4px}.empty h2{font-size:15px}.empty p{font-size:12px}
 .math-panel{display:grid;grid-template-columns:164px minmax(0,1fr);grid-template-rows:44px 88px minmax(0,1fr) 44px;gap:6px 12px;position:relative}.math-mode-tabs{grid-column:1;grid-row:1;gap:0;border:1px solid var(--skin-line);border-radius:10px}.math-mode-tabs button{font-size:12px;min-height:40px;padding:0 2px;border-radius:8px!important}.math-options{grid-column:1;grid-row:2;display:flex;flex-direction:column;gap:6px}.math-options label{font-size:0;flex:none;width:100%;gap:0}.math-options select{font-size:13px;width:100%;height:40px;min-height:40px}.math-round{grid-column:1;grid-row:3;display:flex;flex-direction:column;justify-content:flex-start;gap:4px;font-size:11px}.math-learning{grid-column:2;grid-row:1/4;padding:44px 12px 8px!important;min-height:0}.math-learning:has(.math-answer-form:not([hidden])){display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,58%);grid-template-rows:1fr 26px;padding:44px 12px 8px!important;gap:5px 12px;align-items:center}.math-card-top{top:5px;left:10px;right:10px;font-size:11px}.math-card-top button{width:36px;height:36px}.math-learning:has(.math-answer-form:not([hidden])) .math-equation{grid-column:1;grid-row:1;align-self:center;margin:0;font-size:clamp(26px,4.6vw,52px)}.math-answer-form{grid-column:2;grid-row:1/3;width:100%;margin:0}.math-answer-form label{display:none}.math-answer-form input,.math-answer-form button[type=submit]{min-height:44px;height:44px;font-size:18px}.math-answer-form button[type=submit]{font-size:13px;min-width:84px;padding:0 6px}.math-answer-form .math-keypad{grid-template-columns:repeat(6,minmax(0,1fr));gap:5px;margin-top:6px}.math-answer-form .math-keypad button{height:44px;min-height:44px;font-size:21px;border-radius:9px}.math-keypad .math-key-action{font-size:12px!important}.help-launcher{grid-column:1;grid-row:2;justify-content:flex-start;margin:0!important}.help-launcher button{font-size:12px;min-height:26px;padding:0}.math-learning .math-text-button{position:absolute;bottom:7px;left:12px;right:auto;min-height:24px;font-size:12px}.math-learning:has(.math-answer-form:not([hidden])) .help-launcher{transform:translateY(-23px)}.math-feedback{position:absolute!important;left:10px!important;bottom:55px!important;width:calc(42% - 25px);font-size:12px!important;line-height:1.4;background:var(--card);padding:6px;border:1px solid var(--line);border-radius:8px}.math-bottom-actions{grid-column:1/-1;grid-row:4;grid-template-columns:1fr 1.6fr}.math-bottom-actions button{height:44px;min-height:44px;padding:0;font-size:14px}.math-equation.number{margin:0;font-size:clamp(50px,26cqh,90px)}.math-number-name{font-size:22px}.math-caption{font-size:12px}.math-model{transform:scale(.7);margin:-6px 0}.math-learning:has(.math-answer-form[hidden]){display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr auto;align-items:center;justify-items:center}.math-learning:has(.math-answer-form[hidden]) .math-equation{grid-column:1;grid-row:1;align-self:end}.math-learning:has(.math-answer-form[hidden]) .math-number-name{grid-column:1;grid-row:2;align-self:start}.math-learning:has(.math-answer-form[hidden]) .math-caption{display:none}.math-learning:has(.math-answer-form[hidden]) #mathNumberModel{grid-column:2;grid-row:1/3;transform:scale(.8)}.study-sheet{margin:auto;max-height:calc(100dvh - 24px)}
 [data-skin=monsters] .learning-content{padding:8px!important;border-radius:22px!important}[data-skin=doodle] .app-header{padding:4px 8px!important}
}
@media(orientation:landscape) and (min-width:620px) and (max-width:850px) and (max-height:600px){#hanziStudy{grid-template-columns:132px minmax(0,1fr);gap:10px}.learning-content{grid-template-columns:minmax(0,1fr) 126px;column-gap:10px!important}.learning-aside{padding:10px!important}.side-intro{font-size:17px}.toolbar>.segment button{font-size:12px!important;padding:0 2px!important}.study-scope-select{width:78px;padding-left:5px;font-size:11px}.math-panel{grid-template-columns:126px minmax(0,1fr);gap:6px 10px}.math-learning:has(.math-answer-form:not([hidden])){grid-template-columns:minmax(0,1fr) minmax(230px,60%);gap:5px 8px}.math-mode-tabs button{font-size:11px}.app-header>.subject-tabs button{font-size:13px;padding:0 10px}}
@media(orientation:landscape) and (min-width:1000px) and (min-height:601px){#hanziStudy{grid-template-columns:200px minmax(0,1fr)}.learning-content{gap:14px}.flashcard .glyph{width:min(48cqh,320px);height:min(48cqh,320px)}.flashcard .char{font-size:clamp(150px,44cqh,280px)}.math-panel{max-width:none}.math-learning:has(.math-answer-form:not([hidden])){grid-template-columns:1fr minmax(340px,44%);padding:58px 38px 24px!important}.math-answer-form .math-keypad button{height:clamp(56px,10cqh,76px)}.math-learning:has(.math-answer-form:not([hidden])) .math-equation{font-size:clamp(64px,7.8vw,112px)}}
@media(orientation:landscape) and (min-width:620px) and (max-height:600px){.math-learning:has(.math-answer-form:not([hidden])) .math-text-button{left:12px;right:auto;bottom:6px;width:calc(40% - 24px);text-align:left;font-size:11px;white-space:nowrap}.math-mode-tabs{gap:0}.math-mode-tabs button{min-width:0}.math-learning:has(.math-answer-form:not([hidden])) .help-launcher{position:absolute;left:12px;bottom:30px;transform:none}.math-learning:has(.math-answer-form:not([hidden])) .math-feedback{bottom:58px!important}}
/* Each character in a phrase has the same individual tianzi guide as a single. */
.flashcard #contentState:has(.word){width:100%;min-width:0}
.flashcard .glyph:has(.word){width:100%;height:auto;display:block;container-type:inline-size}
.flashcard .word{--word-gap:8px;--word-cell:min(27cqh,calc((100cqw - (var(--word-columns) - 1) * var(--word-gap) - 4px)/var(--word-columns)),120px);display:grid;grid-template-columns:repeat(var(--word-columns),var(--word-cell));justify-content:safe center;gap:var(--word-gap);letter-spacing:0;line-height:1;width:100%;min-width:0;max-width:100%;max-height:58cqh;overflow:auto;padding:2px}
.word-cell{display:grid;place-items:center;position:relative;width:var(--word-cell);height:var(--word-cell);border:1px solid #d8ccb7;font-size:calc(var(--word-cell)*.78);line-height:1;font-family:"Kaiti SC","STKaiti","KaiTi",serif;isolation:isolate}
.word-cell:before,.word-cell:after{content:"";position:absolute;z-index:-1;pointer-events:none}
.word-cell:before{left:0;right:0;top:50%;border-top:1px dashed #e1d6c3}
.word-cell:after{top:0;bottom:0;left:50%;border-left:1px dashed #e1d6c3}
@media(orientation:landscape) and (min-width:620px) and (max-height:600px){.flashcard .word{--word-gap:6px;--word-cell:min(38cqh,calc((100cqw - (var(--word-columns) - 1) * var(--word-gap) - 4px)/var(--word-columns)),94px)}.flashcard .word-pinyin{font-size:clamp(12px,2vw,16px)}}