:root{
  --red:#B8432F; --red-d:#8E2B25; --brown:#5E3A1F; --pink:#E8738A; --green:#5F8B5A;
  --cream:#FFF8EE; --cream2:#F4EBDD; --hl:#FFE08A; --line:#E6D6C2;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;overflow:hidden;background:#F4EBDD}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--brown)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.kai{font-family:"KaiTi","STKaiti","楷体",serif}

#stage{position:absolute;left:0;top:0;width:1920px;height:1080px;transform-origin:0 0;overflow:hidden;background:var(--cream)}
.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bg-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,248,238,.15) 0%,rgba(255,248,238,.55) 45%,rgba(255,248,238,.9) 100%)}
#stage.in-station .bg-veil{background:rgba(255,248,238,.82)}

/* 顶栏 */
.topbar{position:absolute;left:60px;right:60px;top:28px;height:84px;display:flex;align-items:center;justify-content:center}
.title-pill{background:#fff;border-radius:42px;padding:14px 44px;font-size:36px;font-weight:700;color:var(--red-d);box-shadow:0 4px 0 var(--line)}
.pill-btn{position:absolute;left:0;display:flex;align-items:center;gap:10px;background:#fff;border-radius:40px;padding:10px 26px 10px 14px;font-size:28px;font-weight:700;box-shadow:0 4px 0 var(--line);min-height:68px}
.pill-btn img{width:48px;height:48px}
.grade-tag{position:absolute;right:0;background:var(--green);color:#fff;border-radius:30px;padding:10px 24px;font-size:26px;font-weight:700}
#stage:not(.in-station) .title-pill{visibility:hidden}

.view{position:absolute;inset:0}
.view[hidden]{display:none}

/* 首页 */
.home-h1{position:absolute;left:100px;top:150px;font-size:96px;color:var(--red-d);letter-spacing:8px;font-family:"KaiTi","STKaiti",serif;text-shadow:0 3px 0 #fff}
.home-sub{position:absolute;left:106px;top:270px;font-size:34px;font-weight:700}
.cards{position:absolute;left:100px;right:500px;top:360px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,248px);gap:22px}
.card{position:relative;background:#fff;border-radius:28px;overflow:hidden;box-shadow:0 6px 0 var(--line);display:flex;flex-direction:column;text-align:left;animation:up .4s both}
.card .cimg{height:124px;background:var(--cream2) center/cover}
.card .badge{position:absolute;left:14px;top:12px;background:var(--red);color:#fff;font-size:22px;font-weight:700;border-radius:16px;padding:4px 14px}
.card .cbody{padding:10px 20px 14px;flex:1;display:flex;flex-direction:column;justify-content:space-between}
.card .cname{font-size:30px;font-weight:700}
.card .csong{font-size:24px;color:#8a6a50}
.card .go{align-self:flex-end;background:var(--red);color:#fff;font-size:24px;font-weight:700;border-radius:24px;padding:4px 26px;box-shadow:0 4px 0 var(--red-d)}
.card.locked{filter:grayscale(.75);opacity:.75}
.card.locked .go{background:#B9A996;box-shadow:0 4px 0 #8f7f6c}
.card.done .badge{background:var(--green)}
.progress{position:absolute;left:100px;right:500px;bottom:70px;height:76px;background:rgba(255,255,255,.92);border-radius:38px;display:flex;align-items:center;padding:0 34px;gap:26px;font-size:28px;font-weight:700}
.stars{display:flex;gap:30px}
.star{display:flex;align-items:center;gap:8px;font-size:24px;color:#a79179}
.star img{width:46px;height:46px;filter:grayscale(1) opacity(.35)}
.star.on{color:var(--red-d)}
.star.on img{filter:none;animation:lightup .5s both}

/* 步骤条 */
.steps{position:absolute;left:60px;right:440px;top:132px;height:70px;display:flex;gap:12px;list-style:none}
.steps li{flex:1;background:rgba(255,255,255,.75);border-radius:35px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:28px;font-weight:700;color:#a79179}
.steps li .n{width:40px;height:40px;border-radius:50%;background:var(--cream2);display:flex;align-items:center;justify-content:center;font-size:22px}
.steps li.done{color:var(--green)}
.steps li.done .n{background:var(--green);color:#fff;position:relative;font-size:0}
.steps li.done .n::after{content:"";width:14px;height:24px;border:solid #fff;border-width:0 5px 5px 0;transform:rotate(45deg) translate(-2px,-3px)}
.steps li.cur{background:#fff;color:var(--red-d);box-shadow:0 0 0 4px var(--hl);animation:breath 1.8s infinite}
.steps li.cur .n{background:var(--red);color:#fff}

/* 内容面板 */
.panel{position:absolute;left:60px;right:440px;top:224px;bottom:64px;background:#fff;border-radius:36px;box-shadow:0 8px 0 var(--line);padding:36px 48px;display:flex;flex-direction:column;overflow:hidden;animation:up .35s both}
.lyric{font-family:"KaiTi","STKaiti",serif;font-size:42px;text-align:center;padding:6px 0 18px;color:var(--brown)}
.lyric mark{background:var(--hl);color:inherit;padding:0 6px;border-radius:6px}
.ask{font-size:38px;font-weight:700;text-align:center;margin-bottom:24px}
.hint{font-size:26px;color:#8a6a50;text-align:center}
.row{display:flex;gap:24px;align-items:center;justify-content:center}
.btn{min-height:76px;min-width:200px;padding:0 40px;border-radius:38px;background:var(--red);color:#fff;font-size:32px;font-weight:700;box-shadow:0 5px 0 var(--red-d)}
.btn:active{transform:translateY(3px);box-shadow:0 2px 0 var(--red-d)}
.btn.ghost{background:var(--cream2);color:var(--brown);box-shadow:0 5px 0 var(--line)}
.btn[disabled]{opacity:.45;pointer-events:none}
.grow{flex:1;min-height:0}

/* 听一听 */
.pic{position:relative;flex:1;min-height:0;border-radius:24px;overflow:hidden;background:var(--cream2)}
.pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .5s}
.pic .cap{position:absolute;left:0;right:0;bottom:0;padding:22px 32px;background:linear-gradient(0deg,rgba(40,24,12,.78),rgba(40,24,12,0));color:#fff;font-size:30px;line-height:1.5}
.dots{display:flex;gap:12px;justify-content:center;margin:18px 0}
.dots i{width:16px;height:16px;border-radius:50%;background:var(--cream2)}
.dots i.on{background:var(--red)}

/* 对一对 图卡 */
.opts{flex:1;min-height:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin:6px 0 20px}
.opt{background:var(--cream);border-radius:24px;overflow:hidden;display:flex;flex-direction:column;border:5px solid transparent;transition:transform .2s}
.opt img{flex:1;min-height:0;width:100%;object-fit:cover}
.opt span{font-size:30px;font-weight:700;padding:14px 0}
.opt.right{border-color:var(--green);animation:pop .35s}
.opt.wrong{border-color:#D9A08F;animation:shake .4s}

/* 辨一辨 稿子 */
.paper{flex:1;min-height:0;background:var(--cream);border-radius:24px;padding:26px 36px;border:2px dashed var(--line);position:relative;display:flex;flex-direction:column;gap:10px;overflow:hidden}
.paper .stamp{position:absolute;right:24px;top:18px;border:3px solid var(--pink);color:var(--pink);font-size:22px;font-weight:700;border-radius:10px;padding:4px 12px;transform:rotate(6deg)}
.paper h3{font-size:30px;color:var(--red-d)}
.sent{text-align:left;font-size:30px;line-height:1.45;padding:10px 18px;border-radius:14px;border:3px solid transparent}
.sent:hover{background:#fff}
.sent.pick{background:#fff;border-color:var(--hl)}
.sent.right{background:#EEF5EA;border-color:var(--green)}
.sent.wrong{animation:shake .4s;border-color:#D9A08F}
.sent .fix{display:block;font-size:26px;color:var(--green);margin-top:4px}

/* 问一问 / 说一说 */
.talk{flex:1;min-height:0;display:flex;flex-direction:column;gap:16px;overflow:hidden}
.chips{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.chip{background:var(--cream);border:2px solid var(--line);border-radius:30px;padding:10px 24px;font-size:26px}
.log{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-start;gap:14px;padding-top:6px}
.msg{max-width:82%;font-size:30px;line-height:1.5;padding:14px 24px;border-radius:24px;animation:up .3s both}
.msg.me{align-self:flex-end;background:#FDE9DE}
.msg.bot{align-self:flex-start;background:var(--cream)}
.frame{font-family:"KaiTi","STKaiti",serif;font-size:40px;line-height:1.9;text-align:center;padding:10px 20px}
.frame .blank{display:inline-block;min-width:150px;height:44px;vertical-align:middle;background:var(--hl);border-radius:10px;margin:0 6px}
.mic-row{display:flex;align-items:center;justify-content:center;gap:28px}
.mic{width:128px;height:128px;border-radius:50%;background:#fff;box-shadow:0 6px 0 var(--line),0 0 0 6px var(--cream2);display:flex;align-items:center;justify-content:center;touch-action:none;user-select:none}
.mic img{width:84px;height:84px;pointer-events:none}
.mic.rec{box-shadow:0 0 0 10px rgba(232,115,138,.35);animation:breath 1s infinite}
.mic-tip{font-size:26px;color:#8a6a50;min-width:280px}
.kbd{font-size:24px;color:#8a6a50;text-decoration:underline}
.typebox{display:flex;gap:14px}
.typebox input{flex:1;font-size:28px;padding:12px 20px;border-radius:20px;border:2px solid var(--line)}

/* 讲解卡 */
.card-out{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.jcard{width:1120px;height:520px;background:var(--cream);border-radius:28px;border:3px solid var(--line);display:flex;overflow:hidden;animation:cardIn .5s both}
.jcard .l{flex:1;padding:36px 44px;display:flex;flex-direction:column;gap:14px}
.jcard .l .t{font-size:24px;color:var(--red);font-weight:700;letter-spacing:2px}
.jcard .l h2{font-size:38px;color:var(--red-d)}
.jcard .l p{font-family:"KaiTi","STKaiti",serif;font-size:32px;line-height:1.6;flex:1;overflow:hidden}
.jcard .l .by{font-size:22px;color:#8a6a50}
.jcard .r{width:360px;background:center/cover}

/* 映映 */
.guide{position:absolute;right:20px;bottom:40px;width:420px;height:880px;pointer-events:none}
.yy{position:absolute;right:40px;bottom:0;height:560px;animation:floaty 3s ease-in-out infinite}
.yy.speaking{animation:floaty 1.2s ease-in-out infinite}
.bubble{position:absolute;right:30px;top:0;width:400px;background:#fff;border-radius:28px;padding:22px 26px 22px 26px;font-size:24px;line-height:1.45;box-shadow:0 6px 0 var(--line);pointer-events:auto;max-height:290px;display:flex;gap:10px;align-items:flex-start}
.bubble::after{content:"";position:absolute;right:150px;bottom:-22px;border:14px solid transparent;border-top:14px solid #fff}
.bubble p{flex:1;overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:7}
.bubble:empty,.bubble.hide{visibility:hidden}
.replay{width:64px;height:64px;flex:none;display:flex;align-items:center;justify-content:center}
.replay img{width:44px;height:44px}
.foot{position:absolute;left:0;right:0;bottom:18px;text-align:center;font-size:20px;color:#9a836d}

/* 动效 */
@keyframes up{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes pop{0%{transform:scale(1)}50%{transform:scale(1.06)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-10px)}75%{transform:translateX(10px)}}
@keyframes breath{0%,100%{filter:brightness(1)}50%{filter:brightness(1.06)}}
@keyframes lightup{0%{transform:scale(.4);opacity:.2}70%{transform:scale(1.25)}100%{transform:scale(1);opacity:1}}
@keyframes cardIn{from{opacity:0;transform:translateY(80px) rotateX(20deg)}to{opacity:1;transform:none}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media print{body *{visibility:hidden}.jcard,.jcard *{visibility:visible}.jcard{position:fixed;left:0;top:0}}