:root{--rpx: calc(min(100vw, 560px) / 750);--ink: #294d43;--paper: #f8f6ef;--line: #e9ecdf}*{-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}body{min-height:100vh}body.has-tabbar{padding-bottom:calc(58px + env(safe-area-inset-bottom))}#app{min-height:100vh}.page-root{min-height:100vh;max-width:560px;margin:0 auto}img{max-width:100%}.wx-scroll{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none}.wx-scroll::-webkit-scrollbar{display:none}.wx-tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;max-width:560px;margin:0 auto;background:var(--paper);border-top:1px solid #fff;padding-bottom:env(safe-area-inset-bottom);z-index:30}.wx-tab{flex:1;background:none;border:0;min-height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:12px;color:#899580;font-family:inherit;cursor:pointer}.wx-tab.active{color:#294d43;font-weight:600}.wx-layer{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:100}.wx-toast{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);max-width:80vw;padding:14px 22px;border-radius:14px;background:#294d43eb;color:#fffefa;font-size:15px;line-height:1.5;text-align:center}.wx-modal-shade{position:absolute;top:0;right:0;bottom:0;left:0;background:#294d4347;display:flex;align-items:center;justify-content:center;padding:24px;pointer-events:auto}.wx-modal{width:100%;max-width:400px;background:#fffefa;border-radius:22px;padding:26px 24px 20px;box-shadow:0 18px 48px #294d432e}.wx-modal-title{font-size:18px;font-weight:600;margin-bottom:12px}.wx-modal-content{font-size:15px;line-height:1.8;color:#6d8466}.wx-modal-input{width:100%;margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;color:var(--ink);background:#f8f6ef;box-sizing:border-box}.wx-modal-actions{display:flex;gap:12px;margin-top:22px}.wx-modal-actions button{flex:1;min-height:44px;font-size:15px;cursor:pointer;font-family:inherit}.wx-switch{position:relative;width:52px;height:30px;min-height:0;padding:0;border-radius:999px;border:1px solid #dfe5d6;background:#e6ebdd;flex-shrink:0;cursor:pointer;transition:background .18s ease}.wx-switch[aria-checked=true]{background:#8fa67e;border-color:#8fa67e}.wx-switch-knob{position:absolute;top:2px;left:2px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000029;transition:transform .18s ease}.wx-switch[aria-checked=true] .wx-switch-knob{transform:translate(22px)}select.picker-value{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--line);background:#f0f3e6;cursor:pointer;font-family:inherit;color:#82956f}.pad-canvas{width:100%;display:block;touch-action:none;cursor:crosshair}.page-root{background:#f8f6ef;color:#294d43;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;font-size:calc(30 * var(--rpx));line-height:1.6}view,button,span,img{box-sizing:border-box}button{font-size:calc(30 * var(--rpx));line-height:1.5;border-radius:calc(28 * var(--rpx));min-height:calc(84 * var(--rpx));display:flex;justify-content:center;align-items:center;padding:calc(20 * var(--rpx)) calc(30 * var(--rpx));letter-spacing:calc(1 * var(--rpx))}button:after{border:none}button[disabled]{opacity:.43}button.primary{background:#294d43;color:#fffefa;border:0;font-weight:600}button.secondary{background:transparent;color:#6d8466;border:calc(2 * var(--rpx)) solid #dfe5d6}button.quiet{color:#8f9a83;background:transparent;font-size:calc(25 * var(--rpx));min-height:calc(60 * var(--rpx));padding:calc(12 * var(--rpx)) calc(16 * var(--rpx))}image{display:block}.page{padding:calc(28 * var(--rpx)) calc(38 * var(--rpx)) calc(44 * var(--rpx));max-width:1100px;margin:auto}.muted{color:#8a977e}.heading{font-size:calc(44 * var(--rpx));font-weight:650;letter-spacing:calc(2 * var(--rpx));line-height:1.6}.subheading{font-size:calc(27 * var(--rpx));color:#8a977e;line-height:1.9;margin-top:calc(12 * var(--rpx))}.panel{background:#fffefa;border:calc(2 * var(--rpx)) solid #e8eadf;border-radius:calc(36 * var(--rpx));padding:calc(30 * var(--rpx));margin-top:calc(26 * var(--rpx))}.panel-title{font-size:calc(32 * var(--rpx));font-weight:600;margin-bottom:calc(24 * var(--rpx))}.line{height:calc(1 * var(--rpx));background:#e9ecdf;margin:calc(26 * var(--rpx)) 0}.tag{display:inline-block;border-radius:calc(25 * var(--rpx));padding:calc(10 * var(--rpx)) calc(20 * var(--rpx));background:#e9efdf;color:#809471;font-size:calc(23 * var(--rpx))}.row{display:flex;align-items:center;justify-content:space-between;gap:calc(18 * var(--rpx))}.tip{font-size:calc(23 * var(--rpx));line-height:1.9;color:#9aa58d}.safe-bottom{padding-bottom:calc(calc(26 * var(--rpx)) + env(safe-area-inset-bottom))}.word{font-family:Kaiti SC,STKaiti,KaiTi,serif}.chips{display:flex;white-space:nowrap;padding:calc(20 * var(--rpx)) 0}.chip{display:inline-block;padding:calc(12 * var(--rpx)) calc(23 * var(--rpx));background:transparent;border:calc(2 * var(--rpx)) solid #e1e7d7;border-radius:calc(26 * var(--rpx));color:#8b997d;font-size:calc(25 * var(--rpx));line-height:1.5;min-height:0;margin-right:calc(14 * var(--rpx))}.chip.active{background:#294d43;color:#fff;border-color:#294d43}.footnote{text-align:center;font-size:calc(21 * var(--rpx));color:#a8b19c;margin-top:calc(32 * var(--rpx))}.modal-shade{position:fixed;top:0;right:0;bottom:0;left:0;background:#294d4347;z-index:20;display:flex;align-items:center;justify-content:center;padding:calc(40 * var(--rpx))}.modal{background:#f8f6ef;border-radius:calc(44 * var(--rpx));padding:calc(38 * var(--rpx));width:calc(620 * var(--rpx));max-width:90vw;text-align:center}.modal .primary{margin-top:calc(25 * var(--rpx))}.modal .secondary{margin-top:calc(17 * var(--rpx))}.modal-word{font-family:Kaiti SC,STKaiti,KaiTi,serif;font-size:calc(180 * var(--rpx));line-height:1.4}.modal-pinyin{font-size:calc(40 * var(--rpx));letter-spacing:calc(4 * var(--rpx));color:#8ca078}.modal-memory{font-size:calc(28 * var(--rpx));color:#8e9c7f;line-height:1.9;margin:calc(20 * var(--rpx)) 0}.close-row{display:flex;justify-content:flex-end}.close-row button{min-height:calc(50 * var(--rpx));width:calc(50 * var(--rpx));padding:0;margin:0;font-size:calc(35 * var(--rpx));background:transparent;color:#98a58a}.voice-btn{padding:calc(10 * var(--rpx)) calc(22 * var(--rpx));min-height:calc(65 * var(--rpx));border-radius:calc(24 * var(--rpx));background:#edf0df;color:#82966e;font-size:calc(26 * var(--rpx))}.hint-box{background:#f2ead1;border-radius:calc(24 * var(--rpx));padding:calc(20 * var(--rpx)) calc(25 * var(--rpx));color:#9a8858;font-size:calc(25 * var(--rpx));line-height:1.8;margin-top:calc(20 * var(--rpx))}.input{background:#f8f9f3;border:calc(2 * var(--rpx)) solid #dfe4d5;border-radius:calc(22 * var(--rpx));padding:calc(18 * var(--rpx));color:#294d43;min-height:calc(80 * var(--rpx));font-size:calc(28 * var(--rpx))}@media (min-width:700px){.page{padding:25px 42px 40px}.heading{font-size:34px}.subheading{font-size:16px}.panel{padding:26px;border-radius:26px}.panel-title{font-size:21px}.tip{font-size:14px}.footnote{font-size:12px}button{font-size:19px;min-height:54px;border-radius:18px;padding:12px 23px}.modal{max-width:450px;padding:32px;border-radius:30px}.modal-word{font-size:120px}.modal-pinyin{font-size:25px}.modal-memory{font-size:17px}}.home-brand{display:flex;align-items:center;height:calc(80 * var(--rpx));font-size:calc(33 * var(--rpx));font-weight:650;letter-spacing:calc(2 * var(--rpx))}.home-brand img{width:calc(62 * var(--rpx));height:calc(62 * var(--rpx));margin-right:calc(15 * var(--rpx))}.brand-note{font-size:calc(21 * var(--rpx));color:#9ba88e;font-weight:400;margin-left:auto;letter-spacing:calc(1 * var(--rpx))}.hero{margin-top:calc(16 * var(--rpx))}.hero-image{width:108%;margin-left:-4%;max-height:calc(410 * var(--rpx))}.hero-copy{text-align:center}.eyebrow{font-size:calc(21 * var(--rpx));letter-spacing:calc(2 * var(--rpx));color:#9aaa87}.hero-title{font-size:calc(55 * var(--rpx));line-height:1.55;font-weight:650;letter-spacing:calc(3 * var(--rpx));margin:calc(26 * var(--rpx)) 0 calc(20 * var(--rpx))}.title-mark{position:relative;display:block;z-index:0}.title-mark:after{content:"";height:calc(14 * var(--rpx));background:#f5d986;position:absolute;bottom:calc(12 * var(--rpx));left:12%;right:12%;z-index:-1;border-radius:calc(8 * var(--rpx))}.hero-desc{font-size:calc(27 * var(--rpx));color:#96a188;line-height:1.95}.hero-start{width:calc(440 * var(--rpx));max-width:90%;margin:calc(36 * var(--rpx)) auto 0;font-size:calc(32 * var(--rpx));min-height:calc(104 * var(--rpx));border-radius:calc(36 * var(--rpx))}.arrow{font-size:calc(40 * var(--rpx));margin-left:calc(25 * var(--rpx))}.plan-note{font-size:calc(22 * var(--rpx));color:#9fa98f;margin:calc(18 * var(--rpx)) 0 calc(34 * var(--rpx))}.route-panel{border:calc(2 * var(--rpx)) solid #e8eadf;background:#fffefa;border-radius:calc(38 * var(--rpx));padding:calc(30 * var(--rpx)) calc(27 * var(--rpx));margin-top:calc(18 * var(--rpx))}.route-heading{font-size:calc(28 * var(--rpx));font-weight:600}.route-note{font-size:calc(22 * var(--rpx));color:#a3ac96}.route-list{display:flex;justify-content:space-between;margin-top:calc(26 * var(--rpx))}.route-item{display:flex;align-items:center;flex-direction:column;font-size:calc(23 * var(--rpx));color:#869778}.route-icon{width:calc(76 * var(--rpx));height:calc(76 * var(--rpx));display:flex;align-items:center;justify-content:center;border-radius:calc(27 * var(--rpx));font-size:calc(33 * var(--rpx));margin-bottom:calc(13 * var(--rpx))}.olive{background:#edf0db;color:#8e9a68}.yellow{background:#f6e8c4;color:#ad9659}.green{background:#e9efdf;color:#8e9f75}.orange{background:#f5e4d8;color:#bd9779}.blue{background:#e4eee8;color:#83a18e}.home-bottom{margin-top:calc(34 * var(--rpx))}.section-title{font-size:calc(31 * var(--rpx));font-weight:600}.mini-letters{display:flex;gap:calc(18 * var(--rpx));margin-top:calc(17 * var(--rpx))}.mini-char{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:calc(104 * var(--rpx));height:calc(132 * var(--rpx));border-radius:calc(28 * var(--rpx));background:#fffefa;border:calc(2 * var(--rpx)) solid #e6eadb}.mini-pinyin{font-size:calc(22 * var(--rpx));color:#9eac8e;margin-bottom:calc(8 * var(--rpx))}.mini-char .word{font-size:calc(55 * var(--rpx));line-height:1}.garden-area{margin-top:calc(34 * var(--rpx))}.garden-message{display:flex;align-items:center;margin-top:calc(22 * var(--rpx));font-size:calc(26 * var(--rpx));color:#8e9b7f;line-height:1.8}.garden-message img{width:calc(90 * var(--rpx));height:calc(105 * var(--rpx));margin-right:calc(25 * var(--rpx));flex-shrink:0}@media (min-width:700px){.home-brand{height:63px;font-size:24px}.home-brand img{width:44px;height:44px}.brand-note{font-size:13px}.hero{display:flex;align-items:center;flex-direction:row-reverse;margin:35px 0}.hero-image{width:56%;margin-left:0;max-height:none}.hero-copy{width:44%;text-align:left}.eyebrow{font-size:13px;letter-spacing:1px}.hero-title{font-size:40px;letter-spacing:2px;margin:20px 0}.title-mark{white-space:nowrap}.title-mark:after{left:0;right:15%;bottom:7px;height:8px}.hero-desc{font-size:16px}.hero-start{max-width:95%;width:245px;margin:25px 0 0;font-size:19px;min-height:61px;border-radius:22px}.arrow{font-size:25px;margin-left:16px}.plan-note{font-size:12px;margin:13px 0 0}.route-panel{padding:24px 28px;border-radius:28px}.route-heading{font-size:18px}.route-note{font-size:12px}.route-list{margin-top:23px}.route-item{font-size:15px;flex-direction:row}.route-icon{width:48px;height:48px;border-radius:18px;margin:0 12px 0 0;font-size:24px}.home-bottom{display:flex;gap:40px;margin-top:27px}.letters-area{width:56%}.garden-area{width:44%;margin-top:0}.section-title{font-size:19px}.mini-letters{gap:13px;margin-top:16px}.mini-char{min-width:69px;height:84px;border-radius:18px}.mini-pinyin{font-size:13px}.mini-char .word{font-size:33px}.garden-message{font-size:15px;margin-top:15px}.garden-message img{width:60px;height:75px;margin-right:15px}}.group-scroll{width:100%;margin-top:calc(20 * var(--rpx))}.word-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:calc(20 * var(--rpx));margin-top:calc(20 * var(--rpx))}.word-card{position:relative;background:#fffefa;border:calc(2 * var(--rpx)) solid #e5e9da;border-radius:calc(34 * var(--rpx));min-height:calc(230 * var(--rpx));display:flex;align-items:center;justify-content:center;flex-direction:column}.word-card.seen{background:#ebf1e2;border-color:#d3dfc4}.pinyin{font-size:calc(27 * var(--rpx));color:#9aaa88;letter-spacing:calc(2 * var(--rpx))}.glyph{font-size:calc(100 * var(--rpx));line-height:1.3;margin-top:calc(8 * var(--rpx))}.seen-label{position:absolute;right:calc(15 * var(--rpx));top:calc(12 * var(--rpx));font-size:calc(18 * var(--rpx));color:#9caf87}.card-scene{width:calc(150 * var(--rpx));height:calc(120 * var(--rpx));margin:calc(12 * var(--rpx)) auto 0}.modal .tip{margin-top:calc(22 * var(--rpx))}.modal-memory{margin:calc(14 * var(--rpx)) 0 calc(24 * var(--rpx))}@media (min-width:700px){.word-grid{grid-template-columns:repeat(6,1fr);gap:16px;margin-top:20px}.word-card{min-height:155px;border-radius:22px}.pinyin{font-size:17px}.glyph{font-size:60px}.seen-label{font-size:11px;right:10px;top:9px}.card-scene{width:100px;height:85px}.group-scroll{margin-top:15px}}.stats-row{display:flex;justify-content:space-around;gap:calc(18 * var(--rpx));margin-bottom:calc(26 * var(--rpx))}.stats-row>div{text-align:center;font-size:calc(21 * var(--rpx));color:#96a287}.stat-number{display:block;font-size:calc(64 * var(--rpx));line-height:1.5;color:#294d43;font-weight:500}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:calc(18 * var(--rpx));padding:calc(28 * var(--rpx)) 0;border-top:calc(1 * var(--rpx)) solid #e9ecdf;margin-top:calc(15 * var(--rpx));font-size:calc(28 * var(--rpx))}.setting-row switch{flex-shrink:0;transform:scale(.85);transform-origin:right center}.picker-value{background:#f0f3e6;border-radius:calc(20 * var(--rpx));padding:calc(15 * var(--rpx)) calc(20 * var(--rpx));font-size:calc(24 * var(--rpx));color:#82956f;max-width:calc(290 * var(--rpx))}.test-sound{margin-top:calc(24 * var(--rpx))}.audio-note{margin-top:calc(23 * var(--rpx))}.history-row{display:flex;align-items:center;justify-content:space-between;gap:calc(20 * var(--rpx));padding:calc(21 * var(--rpx)) 0;border-top:calc(1 * var(--rpx)) solid #eceee4;color:#93a080;font-size:calc(25 * var(--rpx))}.history-chars{font-size:calc(43 * var(--rpx));color:#294d43;letter-spacing:calc(10 * var(--rpx))}.guide-grid>div{margin-top:calc(26 * var(--rpx))}.guide-grid>div:first-child{margin-top:0}.guide-title{font-size:calc(29 * var(--rpx));margin-bottom:calc(12 * var(--rpx))}.backup-buttons{display:flex;flex-wrap:wrap;gap:calc(18 * var(--rpx));margin:calc(25 * var(--rpx)) 0}.backup-buttons button{font-size:calc(25 * var(--rpx));min-height:calc(75 * var(--rpx));margin:0}.danger{color:#b18d73!important}@media (min-width:700px){.parent-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.panel{margin-top:22px}.wide{grid-column:1/-1}.stats-row{gap:15px;margin-bottom:20px}.stats-row>div{font-size:12px}.stat-number{font-size:38px}.setting-row{font-size:17px;padding:18px 0;gap:15px}.picker-value{font-size:14px;padding:10px 14px;max-width:180px}.test-sound,.audio-note{margin-top:20px}.history-row{font-size:16px;padding:14px 0}.history-chars{font-size:26px;letter-spacing:6px}.guide-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:23px}.guide-grid>div{margin-top:0}.guide-title{font-size:17px}.backup-buttons{gap:12px;margin:20px 0}.backup-buttons button{font-size:15px;min-height:46px}}.about-link{display:block;margin-top:calc(26 * var(--rpx));font-size:calc(26 * var(--rpx));color:#6d8466;letter-spacing:calc(1 * var(--rpx))}@media (min-width:700px){.about-link{font-size:16px;margin-top:18px}}.account-form{max-width:440px;width:calc(100vw - 40px);position:relative}.account-form h2{margin:0 28px 12px 0;font-size:23px}.account-form label{display:block;margin:16px 0;font-size:15px}.account-form input:not([type=checkbox]){display:block;width:100%;box-sizing:border-box;padding:12px;margin-top:7px;border:1px solid #cbd8cc;border-radius:12px;background:#fff;font:inherit}.account-form .account-checkbox{display:flex;gap:8px;align-items:center;line-height:1.5}.account-close{position:absolute;right:12px;top:8px;font-size:27px}.account-result{font-size:14px;line-height:1.6;min-height:22px;color:#426452}.account-links{display:flex;justify-content:space-between;margin-top:15px}.account-form .primary{width:100%}.account-form button:disabled{opacity:.6}.sync-email{overflow-wrap:anywhere}.account-badge{display:inline-block;font-size:12px;padding:4px 10px;border-radius:20px;background:#edf3e8;margin-left:8px}.page-root{background:#f8f6ef;color:#294d43;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}.game-page{max-width:1024px;margin:0 auto;padding:0 22px 22px;min-height:100vh;box-sizing:border-box;display:flex;flex-direction:column}button{font-size:16px;line-height:1.5;box-sizing:border-box;margin:0;font-weight:500}button:after{border:0}button[disabled]{opacity:.45;color:inherit}.primary{background:#294d43;color:#fff;border-radius:21px;min-height:55px;display:flex;align-items:center;justify-content:center;padding:14px 24px;font-size:17px;font-weight:600;letter-spacing:1px;box-shadow:0 5px #294d430f}.primary[disabled]{color:#fff}.secondary{background:transparent;border:1px solid #dce3d2;border-radius:16px;padding:11px 19px;min-height:46px;display:flex;align-items:center;justify-content:center;color:#294d43}.text-button{background:transparent;border:0;color:#87977b;font-size:13px;padding:11px 9px;display:inline-flex;align-items:center;justify-content:center;min-height:42px}.game-top{height:77px;display:flex;align-items:center;justify-content:space-between;gap:15px;flex-shrink:0}.pause-button{height:42px;width:42px;border:1px solid #e1e5d8;border-radius:15px;background:transparent;font-size:21px;line-height:40px;padding:0;color:#6c8062;flex-shrink:0}.progress-area{flex:1;max-width:420px;display:flex;flex-direction:column;gap:10px}.position-label{font-size:11px;color:#8e9f81;text-align:center;line-height:1.5}.progress-track{height:6px;background:#e2e8d7;border-radius:15px;overflow:hidden}.progress-fill{height:100%;background:#9fb78e;border-radius:15px;transition:width .3s}.clock{font-size:12px;color:#99a58c;min-width:39px;text-align:right}.stage-dots{display:flex;justify-content:center;gap:14px;margin:10px 0 18px;flex-shrink:0}.stage-dot{font-size:10px;color:#acb79d;display:flex;align-items:center;gap:4px;white-space:nowrap}.stage-dot:before{content:"";height:5px;width:5px;border-radius:50%;background:#e3e8d9;display:inline-block}.stage-dot.current{color:#6c895b;font-weight:600}.stage-dot.current:before,.stage-dot.past:before{background:#9fb58c}.stage-header{text-align:center;margin:3px 0 24px;display:flex;flex-direction:column;gap:10px;flex-shrink:0}.stage-title{font-size:25px;font-weight:650;letter-spacing:1px;line-height:1.5}.stage-subtitle{font-size:13px;color:#92a17e;line-height:1.8}.meet-content{width:100%;max-width:720px;margin:auto;flex:1;display:flex;flex-direction:column;justify-content:center}.meet-grid{display:flex;align-items:center;justify-content:center;gap:20px;margin:14px 0 27px}.picture-window{position:relative;flex:1;max-width:310px;min-width:140px;height:200px;background:#eaf0df;border-radius:45% 45% 40% 40%;display:flex;flex-direction:column;align-items:center;justify-content:center}.scene-image{height:160px;width:160px;max-width:90%}.image-label{font-size:10px;letter-spacing:2px;color:#93a77a;position:absolute;bottom:13px}.hanzi-face{flex:1;max-width:290px;text-align:center;display:flex;flex-direction:column;align-items:center}.pinyin{font-size:22px;color:#8b9f77;letter-spacing:2px}.big-char{font-family:Kaiti SC,STKaiti,KaiTi,serif;font-size:110px;line-height:1.35}.word-pill{background:#eee9d5;border-radius:16px;padding:9px 16px;font-size:18px;min-height:42px;color:#7f805b}.memory-line{display:flex;align-items:center;justify-content:center;gap:9px;font-size:15px;line-height:1.9;color:#7b906b;margin:5px 0 11px}.memory-line img{height:42px;width:34px;flex-shrink:0}.memory-note{font-size:10px;color:#a4af94;text-align:center;line-height:1.8;margin-bottom:20px}.choice-stage{width:100%;max-width:700px;margin:0 auto;flex:1;display:flex;flex-direction:column;justify-content:center}.sound-orb{margin:7px auto 29px;width:105px;height:105px;line-height:105px;background:#f2e2b5;color:#99814a;border-radius:36px;font-size:46px;font-family:serif;padding:0}.sound-orb.speaking{box-shadow:0 0 0 7px #e4cc9040}.choices{display:flex;gap:12px;width:100%;justify-content:center}.choice{background:#fffefa;border:2px solid #e5e9db;border-radius:23px;min-height:119px;flex:1;padding:15px 9px;display:flex;align-items:center;justify-content:center;color:#294d43;transition:background .15s,border-color .15s;overflow-wrap:break-word;word-break:break-all}.hanzi-choice{font-family:Kaiti SC,STKaiti,KaiTi,serif;font-size:54px}.pinyin-choice{font-size:24px;letter-spacing:1px;min-height:97px;word-break:normal}.choice.correct{border-color:#91ae7d;background:#e7efdc;color:#294d43}.choice.retry{background:#f8ecd8;border-color:#ead6b7}.choice[disabled]{opacity:1}.spell-char{font-family:Kaiti SC,STKaiti,KaiTi,serif;font-size:106px;line-height:1.4;text-align:center;display:block;margin-bottom:24px}.feedback{display:block;min-height:48px;padding:18px 4px 0;text-align:center;font-size:14px;color:#8a9a78;line-height:1.8;box-sizing:border-box}.feedback.good{color:#6f8d5b}.feedback.retry{color:#9b8d63}.speak-note{font-size:12px;color:#a0ad91;line-height:1.9;text-align:center;margin:15px 0 5px}.write-content{width:100%;max-width:750px;margin:auto;flex:1;display:flex;flex-direction:column;justify-content:center}.write-layout{display:flex;flex-direction:column;gap:18px;align-items:center}.pad-wrap{width:300px;max-width:100%;display:flex;justify-content:center}.write-tools{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;width:100%;max-width:310px}.write-guidance{width:100%;font-size:12px;line-height:1.9;color:#99a68c;text-align:center;white-space:pre-line}.write-tools .secondary{flex:1;font-size:14px}.write-tools .feedback{width:100%;min-height:20px;padding:0}.paper-note{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;font-size:10px;line-height:1.8;color:#a4ae98;margin-top:16px}.paper-note .text-button{font-size:11px;padding:9px 8px}.read-content{width:100%;max-width:740px;margin:0 auto;flex:1;display:flex;flex-direction:column;justify-content:center}.story-card{border:1px solid #e6e8dc;background:#fffefa;border-radius:25px;text-align:center;padding:24px 17px;margin-bottom:23px;display:flex;flex-direction:column;align-items:center}.sentence-pinyin{font-size:12px;line-height:1.9;word-spacing:3px;color:#a0ad92;margin-bottom:12px}.sentence{font-size:23px;line-height:1.9;letter-spacing:1px}.story-actions{display:flex;justify-content:center;gap:10px;margin-top:14px}.question-line{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;font-size:19px;line-height:1.8;margin-bottom:18px;text-align:center}.question-line .text-button{font-size:12px;padding:9px 7px}.read-choices{display:flex;gap:10px}.read-option{display:flex;flex-direction:column;flex:1;min-width:0}.read-choice{min-height:90px;font-size:18px;flex:none;width:100%;letter-spacing:.5px}.option-audio{font-size:11px;color:#9aa78a;min-height:36px;background:transparent;padding:7px 2px;text-align:center}.audio-status{display:block;font-size:12px;line-height:1.9;color:#a18b63;text-align:center;margin-top:10px}.game-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-shrink:0;margin-top:auto;padding-top:23px;padding-bottom:calc(15px + env(safe-area-inset-bottom))}.hint-button{padding-left:0;font-size:12px;min-width:76px}.next-button{min-width:156px;font-size:16px;padding:13px 19px}.rest-notice{position:fixed;left:50%;transform:translate(-50%);bottom:102px;z-index:4;max-width:90%;width:430px;box-sizing:border-box;padding:11px 16px;background:#f2e8c7;color:#998452;border-radius:16px;font-size:12px;line-height:1.8;pointer-events:none}.pause-shade{position:fixed;top:0;right:0;bottom:0;left:0;background:#294d4354;z-index:20;display:flex;align-items:center;justify-content:center;padding:24px;box-sizing:border-box}.pause-card{width:100%;max-width:420px;border-radius:29px;background:#f8f6ef;padding:30px 25px;text-align:center;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;box-shadow:0 20px 60px #2341331a}.pause-card img{height:98px;width:82px;object-fit:contain}.pause-title{font-size:24px;line-height:1.6;letter-spacing:1px;font-weight:600;margin:18px 0 12px}.pause-copy{font-size:14px;line-height:1.9;color:#8e9e7f;margin-bottom:24px}.pause-card .primary{width:100%}.pause-card .text-button{margin-top:12px}.state-panel{min-height:75vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;text-align:center}.state-mascot{width:95px;height:120px}.state-title{font-size:26px;line-height:1.7}.state-copy{font-size:15px;color:#90a080;line-height:1.9;max-width:430px;margin-bottom:8px}.finish-panel{padding:30px 0;min-height:75vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.finish-art{height:160px;width:160px;border-radius:50%;background:#e8eedb;display:flex;align-items:center;justify-content:center}.finish-art img{height:125px;width:103px}.finish-title{font-size:27px;line-height:1.7;font-weight:600;letter-spacing:1px;margin:28px 0 15px}.finish-copy{font-size:14px;line-height:1.9;white-space:pre-line;color:#8c9e7e}.finish-words{display:flex;gap:12px;justify-content:center;margin:26px 0}.finish-word{height:86px;width:70px;border:1px solid #d5e0c8;background:#eaf0df;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.small-pinyin{font-size:13px;color:#8ea17c}.finish-char{font-family:Kaiti SC,STKaiti,KaiTi,serif;font-size:36px;line-height:1.2}.finish-tip{font-size:12px;color:#a2af94;line-height:1.9;margin:24px 0 0}@media (min-width:700px){.game-page{padding:0 36px 25px}.game-top{height:88px}.position-label{font-size:13px}.clock{font-size:14px}.stage-dots{gap:24px;margin:12px 0 21px}.stage-dot{font-size:12px}.stage-title{font-size:32px}.stage-subtitle{font-size:15px}.stage-header{margin-bottom:27px}.meet-grid{gap:50px;margin:20px 0 32px}.picture-window{height:285px}.scene-image{width:240px;height:240px}.image-label{font-size:12px;bottom:23px}.pinyin{font-size:28px}.big-char{font-size:160px}.word-pill{font-size:21px}.memory-line{font-size:18px}.memory-note{font-size:11px}.choices{gap:24px}.choice{min-height:146px}.hanzi-choice{font-size:69px}.pinyin-choice{font-size:30px;min-height:112px}.feedback{font-size:16px;min-height:58px}.sound-orb{width:118px;height:118px;border-radius:40px;line-height:118px;font-size:52px;margin-bottom:34px}.spell-char{font-size:130px}.write-layout{flex-direction:row;justify-content:center;gap:48px}.write-tools{max-width:230px;display:flex;flex-direction:column;gap:15px}.write-tools .secondary{width:100%;flex:none;font-size:16px}.write-guidance{font-size:14px;text-align:left}.pad-wrap{flex-shrink:0}.paper-note{margin-top:29px;font-size:12px}.paper-note .text-button{font-size:13px}.story-card{padding:32px 34px}.sentence{font-size:29px;letter-spacing:2px}.sentence-pinyin{font-size:15px;word-spacing:6px}.question-line{font-size:23px;margin-bottom:22px}.read-choices{gap:22px}.read-choice{font-size:23px;min-height:104px}.option-audio{font-size:13px;min-height:42px}.game-footer{padding-top:30px}.next-button{min-width:190px;min-height:58px;font-size:18px}.hint-button{font-size:14px}.finish-title{font-size:34px}.finish-copy{font-size:16px}.finish-panel .primary{min-width:250px}.pause-card{max-width:470px;padding:34px}.pause-title{font-size:27px}.pause-copy{font-size:16px}}.instruction-button{background:#edf1e3;color:#7f946e;border:0;border-radius:16px;min-height:38px;padding:7px 15px;font-size:12px;align-self:center;line-height:1.8;letter-spacing:.5px}.stage-header{gap:8px}.word-scene{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:100%;height:100%;min-height:180px;padding:20px;box-sizing:border-box;background:linear-gradient(145deg,#e9f0d9,#f4ead1);border-radius:24px}.scene-symbol{font-family:"Apple Color Emoji","Segoe UI Emoji",sans-serif;font-size:66px;line-height:1.2}.scene-word{font-size:27px;font-weight:600;letter-spacing:3px;color:#355a45}.scene-caption{font-size:12px;color:#7f9173}.spell-context{display:block;font-size:16px;color:#7f9173;margin:8px auto 18px;text-align:center;line-height:1.5}.picture-window .word-scene{min-height:180px}.stage-dots .stage-dot:before{content:attr(data-glyph);display:block;font-size:18px;line-height:1.3;font-weight:600}@media (max-width:620px){.scene-symbol{font-size:50px}.scene-word{font-size:22px}.spell-context{font-size:14px}}.game-pad-host{width:360px;max-width:100%;flex-shrink:0}.write-tools{flex-shrink:0}.write-tools .secondary{white-space:nowrap}@media (min-width:700px) and (max-width:899px){.write-layout{flex-direction:column;gap:18px}.write-tools{max-width:360px;flex-direction:row}.write-tools .secondary{width:auto;flex:1}.write-guidance{text-align:center}}.contact{display:inline-block;margin:calc(14 * var(--rpx)) 0;padding:calc(12 * var(--rpx)) calc(22 * var(--rpx));background:#f0f3e6;border-radius:calc(22 * var(--rpx));font-size:calc(26 * var(--rpx));color:#5f7a55;letter-spacing:calc(1 * var(--rpx))}.updated{text-align:center;font-size:calc(21 * var(--rpx));color:#a8b19c;margin-top:calc(20 * var(--rpx))}@media (min-width:700px){.contact{font-size:16px;padding:10px 16px;margin:12px 0}}:host{display:block;width:100%;max-width:360px;margin:0 auto}.pad-wrap{width:100%}.pad-frame{width:100%;overflow:hidden;box-sizing:border-box;border:2px solid #e2e7d8;border-radius:24px;background:#fffefa}.pad-canvas{display:block;width:100%}.pad-message{min-height:28px;padding:10px 4px 0;color:#7c9467;font-size:14px;line-height:1.7;text-align:center}[data-component=hanzi-pad]{display:block;width:100%;max-width:360px;margin:0 auto}[data-component=hanzi-pad]>.pad-wrap{display:block;width:100%;max-width:100%}.textbook-entry{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:24px 0}.grade-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:24px 0}.grade-chip{padding:16px 8px;border-radius:16px;border:1px solid #d5ddcf;background:#fffaf0;color:#415c48;font:inherit;cursor:pointer}.grade-chip.active{background:#315844;color:#fff;border-color:#315844}.textbook-toolbar{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:18px 0}.book-summary{margin-bottom:20px}.book-summary details{margin-top:12px;font-size:13px}.book-summary summary{cursor:pointer;color:#476453}.book-summary a{color:#315844}.textbook-search{font-size:14px;display:flex;gap:12px;align-items:center;margin:18px 0}.textbook-search input{padding:11px 14px;border:1px solid #cad6c6;border-radius:14px;background:#fff;font:inherit;min-width:0;flex:1}.textbook-grid .word-card{font:inherit;cursor:pointer;border:1px solid #dce2d3;background:#fffdf7;padding:22px 10px 14px}.textbook-grid .pinyin{font-size:12px;min-height:34px;line-height:1.4;display:block;overflow-wrap:anywhere}.textbook-kind{font-size:11px;color:#71816d;margin-top:10px}.textbook-pagination{display:flex;justify-content:center;gap:20px;align-items:center;margin:28px 0}.textbook-pagination button:disabled{opacity:.35;cursor:default}.textbook-modal{max-height:85vh;overflow-y:auto;max-width:440px}.textbook-modal .modal-word{font-size:60px;line-height:1.2}.textbook-modal .primary{width:100%}.textbook-modal .hanzi-pad{margin-top:12px}.empty-state{padding:40px 20px;text-align:center}.textbooks-page h1{margin-bottom:0}.textbooks-page .word-grid{margin-top:20px}@media (max-width:620px){.grade-grid{grid-template-columns:repeat(3,1fr);gap:8px}.grade-chip{padding:12px 8px}.textbook-entry{display:block}.textbook-entry button{margin-top:16px;width:100%}.textbook-toolbar{gap:10px}.textbook-grid{grid-template-columns:repeat(3,1fr)}.textbook-grid .word-card{padding:20px 8px 12px}.textbook-modal{width:calc(100vw - 36px);box-sizing:border-box}}.grade-chip{font-size:15px;white-space:nowrap;min-width:0;padding:13px 4px}.textbook-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.textbook-grid .word-card{min-width:0;width:100%}.textbook-grid .glyph{font-size:52px}.textbook-toolbar .chips{padding:5px 0}.textbook-modal .pad-message{font-size:14px}@media (max-width:620px){.textbook-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.grade-one-intro{margin:18px 0}.grade-one-intro .primary{width:100%;margin-top:18px}.five-step-preview{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:18px 0}.five-step-preview span{font-size:12px;text-align:center;color:#7b8e6e;white-space:nowrap}.five-step-preview b{display:flex;align-items:center;justify-content:center;margin:0 auto 8px;width:44px;height:44px;border-radius:15px;background:#e8edda;color:#355b44;font-size:23px;font-weight:500}.five-step-preview span:nth-child(2) b{background:#f3e4b6}.five-step-preview span:nth-child(3) b{background:#dce9d7}.five-step-preview span:nth-child(4) b{background:#f4dfc8}.five-step-preview span:nth-child(5) b{background:#dce9ed}.course-panel{margin-top:22px}.course-panel .chips{padding:10px 0}
