/* 语文小屋：平板优先（小度平板/iPad 横竖屏），电脑横屏居中，手机竖屏能用 */
:root{
  --bg:#fbf4e8; --paper:#fffdf8; --ink:#3b2f2a; --sub:#8a7a6c; --line:#eadfcd;
  --acc:#e0703a; --acc-soft:#fde7d8; --ok:#3f9a6b; --ok-soft:#e1f3e8; --warn:#e3a33b; --blue:#2f6fb0;
  --r:18px; --shadow:0 4px 14px rgba(90,60,30,.10);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.6 -apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:none;background:none;cursor:pointer}
#app{max-width:980px;margin:0 auto;min-height:100vh}
.page{padding:20px 22px 110px}
.flow{padding:0 0 30px;min-height:100vh}
.muted{color:var(--sub)} .small{font-size:14px}
.sec{font-size:17px;margin:26px 0 10px;color:var(--sub);font-weight:600}
.pg-t{font-size:26px;margin:6px 0 14px}
.back{display:inline-block;color:var(--sub);margin-bottom:6px;padding:6px 0}
.row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:14px 0}
.row.left{justify-content:flex-start;align-items:center}
.col{display:flex;flex-direction:column;gap:12px;align-items:center;margin-top:14px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:999px;background:var(--acc);color:#fff;font-weight:600;font-size:18px;box-shadow:var(--shadow)}
.btn.big{min-height:62px;padding:0 34px;font-size:21px}
.btn.ghost{background:var(--paper);color:var(--ink);border:2px solid var(--line);box-shadow:none}
.btn:active{transform:scale(.97)}
.next{margin-top:18px;min-width:min(340px,80vw)}

/* 首页 */
.hello{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.hi{font-size:24px;font-weight:700}
.logo{font-weight:800;color:var(--acc);font-size:20px;letter-spacing:2px}
.bigcard{display:block;background:linear-gradient(135deg,#ffb36b,#f07a45);color:#fff;border-radius:26px;padding:24px 26px;box-shadow:0 8px 24px rgba(224,112,58,.30)}
.bigcard.done{background:linear-gradient(135deg,#7cc79c,#3f9a6b);box-shadow:0 8px 24px rgba(63,154,107,.25)}
.bc-top{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.bc-title{font-size:30px;font-weight:800}
.bc-sub{font-size:18px;opacity:.95}
.bc-steps{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.bc-step{background:rgba(255,255,255,.22);border-radius:999px;padding:6px 14px;font-size:17px}
.bc-step.ok{background:rgba(255,255,255,.9);color:var(--ok)}
.bc-foot{display:flex;justify-content:space-between;align-items:center}
.bc-go{background:#fff;color:var(--acc);font-weight:800;border-radius:999px;padding:10px 26px;font-size:20px}
.bigcard .muted{color:rgba(255,255,255,.85)}
.row-card{display:flex;align-items:center;gap:14px;background:var(--paper);border:2px solid var(--line);border-radius:var(--r);padding:16px 18px;margin-top:14px}
.row-card.exam{border-color:#f2c28b;background:#fff4e3}
.rc-icon{font-size:26px} .rc-t{flex:1;font-size:18px} .rc-go{color:var(--acc);font-weight:700}

/* 课本 */
.lesson-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}
.lesson-item{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:13px 16px}
.lesson-item.cur{border-color:var(--acc)}
.li-name{font-size:17px} .li-chars{color:var(--sub);letter-spacing:2px;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:45%}
.li-prog{color:var(--ok);font-size:15px;white-space:nowrap}
.tag{font-size:12px;background:#eee4d4;color:var(--sub);border-radius:6px;padding:1px 6px;margin-left:6px;vertical-align:2px}
.tag.cur{background:var(--acc-soft);color:var(--acc)}
.acts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:8px 0}
.act{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--paper);border:2px solid var(--line);border-radius:var(--r);padding:16px 8px;font-size:18px;font-weight:600}
.act-i{font-size:34px}
.char-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:10px}
.cg{background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:8px 0 6px;display:flex;flex-direction:column;align-items:center}
.cg.got{border-color:var(--ok);background:var(--ok-soft)}
.cg-c{font-size:34px;font-family:"Kaiti SC","STKaiti","KaiTi",serif;line-height:1.2}
.cg-dots{display:flex;gap:4px}.cg-dots i{width:8px;height:8px;border-radius:50%;background:#e6dccd}.cg-dots i.on{background:var(--ok)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.page .chips{justify-content:flex-start}
.chip{background:var(--paper);border:1.5px solid var(--line);border-radius:999px;padding:4px 12px;font-size:17px}
.chip.warn{border-color:var(--warn)}
.chip.pickable{cursor:pointer}.chip.pickable.on{background:var(--acc-soft);border-color:var(--acc);color:var(--acc);font-weight:600}

/* 图鉴 */
.dex{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:12px}
.dex-cell{background:var(--paper);border:2px solid var(--line);border-radius:var(--r);padding:12px;text-align:center}
.dex-cell img{width:100%;max-width:120px;aspect-ratio:1;object-fit:contain;filter:brightness(0) opacity(.18)}
.dex-cell.out{border-color:var(--ok)} .dex-cell.out img{filter:none}
.dex-name{font-weight:700;margin:2px 0}
.dex-bar{height:8px;background:#eee4d4;border-radius:5px;overflow:hidden;margin:6px 0}.dex-bar i{display:block;height:100%;background:var(--ok)}

/* 我的 */
.me-card,.stars-card{display:flex;gap:16px;align-items:center;background:var(--paper);border:2px solid var(--line);border-radius:var(--r);padding:16px 18px;margin-bottom:12px}
.me-avatar{width:56px;height:56px;border-radius:50%;background:var(--acc-soft);color:var(--acc);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800}
.me-name{font-size:21px;font-weight:700}
.stars-n{font-size:34px;font-weight:800;color:var(--warn);min-width:110px}
table.rules{width:100%;border-collapse:collapse;background:var(--paper);border:2px solid var(--line);border-radius:14px;overflow:hidden}
table.rules th,table.rules td{padding:10px 12px;text-align:center;border-bottom:1px solid var(--line)}
table.rules th{background:#f4eadb;font-weight:600}
.gear{position:fixed;right:20px;bottom:94px;font-size:26px;opacity:.55;width:52px;height:52px;border-radius:50%;background:var(--paper)}
.gear.pressing{opacity:1;box-shadow:0 0 0 6px var(--acc-soft);transition:box-shadow 2s}

/* 家长 */
textarea,select,input{font:inherit;font-size:17px;border:2px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--paper);color:var(--ink);max-width:100%}
textarea{width:100%}
.card{background:var(--paper);border:2px solid var(--line);border-radius:var(--r);padding:16px;margin-top:12px}
.ck{display:inline-flex;align-items:center;gap:6px;margin-right:12px}
.ck input{width:22px;height:22px}
.field{display:block;margin:8px 0}

/* 底栏 */
.tabbar{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;gap:0;background:rgba(255,253,248,.96);border-top:1px solid var(--line);padding:6px 0 calc(6px + env(safe-area-inset-bottom));backdrop-filter:blur(6px);z-index:5}
.tabbar a{flex:0 1 160px;display:flex;flex-direction:column;align-items:center;font-size:14px;color:var(--sub);padding:4px 0}
.tabbar a.on{color:var(--acc);font-weight:700}
.tb-i{font-size:26px;line-height:1.2}

/* 关卡 */
.stepbar{display:flex;align-items:center;gap:12px;padding:12px 18px;position:sticky;top:0;background:var(--bg);z-index:3}
.x{width:46px;height:46px;border-radius:50%;background:var(--paper);border:2px solid var(--line);font-size:20px;color:var(--sub)}
.stepbar-t{flex:1;font-weight:700;font-size:19px}
.top-prog{color:var(--sub);font-weight:600}
.stage{display:flex;flex-direction:column;align-items:center;text-align:center;padding:10px 20px 20px;max-width:760px;margin:0 auto}
.stage.wide{max-width:900px}
.intro{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}
.intro-icon{font-size:110px}
.intro-t{font-size:34px;font-weight:800;margin:6px 0}
.intro-line{font-size:21px;max-width:560px}
.card-py{font-size:30px;color:var(--blue);min-height:44px;letter-spacing:1px}
.card-char{margin:6px auto}
.card-word{font-size:30px;letter-spacing:6px;margin-top:8px}.card-word .hl{color:var(--acc);font-weight:700}
.praise{min-height:30px;color:var(--ok);font-weight:700;font-size:20px}
.tzg{position:relative;border:3px solid #d98c6a;border-radius:6px;background:#fffdf6 url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' preserveAspectRatio='none'><g stroke='%23efc3ad' stroke-width='0.6' stroke-dasharray='2.2 1.6' fill='none'><line x1='0' y1='50' x2='100' y2='50'/><line x1='50' y1='0' x2='50' y2='100'/><line x1='0' y1='0' x2='100' y2='100'/><line x1='100' y1='0' x2='0' y2='100'/></g></svg>") center/100% 100% no-repeat}
.tzg svg{position:relative}
.tzg-plain{font-size:180px;line-height:1;font-family:"Kaiti SC","STKaiti","KaiTi",serif;display:flex;align-items:center;justify-content:center;height:100%}
.dict-n{width:150px;height:150px;border-radius:50%;background:var(--acc-soft);color:var(--acc);display:flex;align-items:center;justify-content:center;font-size:72px;font-weight:800;margin:20px auto 6px}
.lead{font-size:20px;font-weight:600}
.ans-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;width:100%}
.ans{position:relative;display:flex;flex-direction:column;align-items:center;background:var(--paper);border:2.5px solid var(--line);border-radius:14px;padding:10px 6px}
.ans.bad{border-color:var(--warn);background:#fff4e0}
.ans.bad::after{content:'写错了';position:absolute;top:4px;right:8px;font-size:12px;color:var(--warn);font-weight:700}
.ans-n{position:absolute;left:10px;top:4px;font-size:13px;color:var(--sub)}
.ans-py{font-size:14px;color:var(--blue);min-height:20px}
.ans-w{font-size:28px;font-family:"Kaiti SC","STKaiti","KaiTi",serif;letter-spacing:2px}
.pick-list{display:flex;flex-direction:column;gap:12px;align-items:center}
.pick-row{display:flex;gap:10px}
.pick{width:70px;height:70px;border-radius:14px;background:var(--paper);border:2.5px solid var(--line);font-size:38px;font-family:"Kaiti SC","STKaiti","KaiTi",serif;display:flex;align-items:center;justify-content:center}
.pick.bad{border-color:var(--warn);background:#fff4e0}
.pick.off{opacity:.45;border-style:dashed}
.score{font-size:34px;font-weight:800;margin:24px 0 10px}
.big-emoji{font-size:90px;margin:10px}
.answer-big{font-size:120px;line-height:1.2;font-family:"Kaiti SC","STKaiti","KaiTi",serif}
.poem-head{margin-bottom:10px}
.poem-t{font-size:28px;font-weight:800}.poem-a{color:var(--sub)}
.stages{display:flex;gap:6px;justify-content:center;margin-top:10px}
.stages span{font-size:14px;padding:3px 10px;border-radius:999px;background:#eee4d4;color:var(--sub)}
.stages span.on{background:var(--acc);color:#fff}.stages span.done{background:var(--ok-soft);color:var(--ok)}
.poem{font-size:28px;line-height:1.9;font-family:"Kaiti SC","STKaiti","KaiTi",serif;margin:10px 0}
.poem.para,.poem.saying{font-size:22px;text-align:left;max-width:760px}
.pl{transition:color .2s;border-radius:8px;padding:0 6px}
.pl.lit{color:var(--acc);background:var(--acc-soft)}
.blank{display:inline-block;min-width:1.05em;color:var(--acc);font-family:inherit;font-size:inherit;line-height:inherit;padding:0}
.blank.shown{color:var(--ok)}
.hidden-all{min-height:200px;display:flex;align-items:center;justify-content:center}

/* 弹窗、提示 */
.modal{position:fixed;inset:0;background:rgba(40,25,10,.45);display:flex;align-items:center;justify-content:center;z-index:20;padding:20px}
.modal-card{background:var(--paper);border-radius:26px;padding:28px 26px;max-width:440px;width:100%;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.star-big{font-size:56px;font-weight:800;color:var(--warn)}
.modal-t{font-size:21px;font-weight:700}
.pkm-big{width:200px;height:200px;object-fit:contain}
.toast{position:fixed;left:50%;bottom:110px;transform:translate(-50%,20px);background:rgba(40,30,20,.88);color:#fff;padding:10px 20px;border-radius:999px;opacity:0;transition:.3s;z-index:30;font-size:17px;max-width:90vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.upd{position:fixed;top:10px;left:50%;transform:translateX(-50%);background:var(--ok);color:#fff;border-radius:999px;padding:10px 20px;z-index:40;box-shadow:var(--shadow)}
.pop{animation:pop .45s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}

/* 登录 */
.login{display:flex;justify-content:center}
.login-box{max-width:380px;width:100%;text-align:center;margin-top:8vh}
.login-logo{font-size:40px;font-weight:800;color:var(--acc);letter-spacing:4px}
.login-name{width:100%;text-align:center;font-size:20px;margin:10px 0}
.pin-dots{display:flex;gap:16px;justify-content:center;margin:12px 0}
.pin-dots i{width:18px;height:18px;border-radius:50%;border:2.5px solid var(--acc)}.pin-dots i.on{background:var(--acc)}
.pin-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:10px}
.pin-k{height:64px;border-radius:16px;background:var(--paper);border:2px solid var(--line);font-size:26px;font-weight:600}
.err{color:#c0552a;min-height:28px}

/* 手机竖屏 */
@media (max-width:560px){
  html,body{font-size:17px}
  .page{padding:14px 16px 100px}
  .bc-title{font-size:25px}
  .acts{gap:8px}.act{font-size:16px}.act-i{font-size:28px}
  .poem{font-size:24px}.poem.para,.poem.saying{font-size:19px}
  .intro-icon{font-size:84px}.intro-t{font-size:28px}
  .lesson-list{grid-template-columns:1fr}
  .ans-grid{grid-template-columns:repeat(2,1fr)}
  .dex{grid-template-columns:repeat(2,1fr)}
  .gear{bottom:84px}
}