:root{--bg:#0f1630;--ink:#f3ecdc;--muted:#b9b6c9;--gold:#f2c66d;--green:#9fd3a4;--red:#e9998a;--card:#1b2950e6;--line:#f1e9d833;--kbh:0px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,"PingFang SC","Noto Sans SC",sans-serif;overscroll-behavior:none}
body{background:#0b1024 url(../assets/intro/night.webp) center/cover fixed}
button{font:inherit;color:inherit;cursor:pointer}
#app{min-height:100%;display:flex;flex-direction:column;align-items:center;padding:14px 16px calc(var(--kbh) + 18px)}
.wrap{width:100%;max-width:720px}
.muted{color:var(--muted)}

/* 闪屏 */
.splash{position:fixed;inset:0;display:grid;place-items:center;text-align:center;z-index:30;background:#0b1024cc;transition:opacity .4s}
.splash.out{opacity:0;pointer-events:none}
.splash h1{font:600 clamp(40px,11vw,76px)/1.1 "Songti SC","Noto Serif SC",serif;margin:0;letter-spacing:.08em;color:#fff6dc;text-shadow:0 0 22px #f2c66d99,0 0 60px #f2c66d55;animation:glow 1.5s ease-out both}
.splash p{margin:10px 0 0;font:italic 20px Georgia,serif;color:var(--gold);letter-spacing:.12em}
@keyframes glow{from{opacity:0;filter:blur(8px);transform:scale(.96)}to{opacity:1;filter:none;transform:none}}

/* 小门 */
.door-scene{display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:4vh;width:100%}
.door-btn{background:none;border:0;padding:0;position:relative}
.door{position:relative;height:min(40vh,62vw,360px);aspect-ratio:400/401;filter:drop-shadow(0 18px 22px #04081a80)}
.door::before{content:'';position:absolute;left:10%;right:10%;top:5%;bottom:-6%;background:radial-gradient(ellipse at 50% 60%,#ffe2a0aa,transparent 65%);opacity:0;transition:opacity 1s;z-index:-1}
.door .frame{position:absolute;inset:0;width:100%;height:100%;z-index:2}
.door .garden,.door .leaf{position:absolute;left:34.25%;top:12.72%;width:31%;height:84.04%}
.door .garden{background:url(../assets/lib/plate_garden.webp) 50% 50%/auto 100%;border-radius:50% 50% 0 0/18.4% 18.4% 0 0;filter:brightness(.5) saturate(.8);transition:filter 1.2s;z-index:1}
.door .leaf{z-index:3;transform-origin:100% 50%;transform:perspective(900px) rotateY(0);transition:transform 1.1s cubic-bezier(.3,.1,.2,1)}
.door.open::before{opacity:1}.door.open .garden{filter:brightness(1.15) saturate(1.05)}.door.open .leaf{transform:perspective(900px) rotateY(-112deg)}
.door.small{height:min(18vh,30vw,170px)}
.door-hint{font-size:17px;color:#fff6dc;text-shadow:0 2px 8px #000a;animation:breathe 2.2s ease-in-out infinite}
@keyframes breathe{50%{opacity:.55}}
.bunny-say{display:flex;align-items:center;gap:10px;max-width:520px}
.bunny-say img{width:72px;flex:none}
.bubble{background:#fff8e6;color:#1b2547;border-radius:16px 16px 16px 4px;padding:8px 14px;font:italic 17px Georgia,serif;box-shadow:0 4px 12px #0005}

/* HUD */
.hud{width:100%;max-width:720px;position:sticky;top:0;z-index:5;padding:6px 0 8px;background:linear-gradient(#0b1024f0,#0b102400)}
.hud .row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
@media (max-width:420px){.hud .row>span:first-child{flex-basis:100%;order:-1}}
.tools-top{display:flex;gap:6px}
.tools-top{flex:none}

/* 题目卡 */
.card{width:100%;max-width:720px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 18px 16px;box-shadow:0 18px 40px #0007;backdrop-filter:blur(6px)}
.qzh{font:600 22px/1.4 "Songti SC","Noto Serif SC",serif;color:#fff6dc}
.btn{border:1px solid var(--line);background:#ffffff10;border-radius:22px;padding:7px 14px;font-size:14px}
.btn.primary{background:linear-gradient(#f6d58a,#e6b04e);color:#2a1d05;border:0;font-weight:600;padding:9px 20px}
.btn kbd{font:11px ui-monospace,monospace;margin-left:6px;opacity:.65;border:1px solid currentColor;border-radius:4px;padding:0 4px}

/* 答案页 */


/* 注册弹窗 */
.gate{position:fixed;inset:0;z-index:60;background:#0b1024cc;display:none;place-items:center;padding:16px}
.gate.on{display:grid}
.gate-card{max-width:400px;width:100%;background:var(--card);border:1px solid #f2c66d66;border-radius:18px;padding:22px 18px;text-align:center;box-shadow:0 20px 50px #000a}
.gate-card h3{margin:6px 0 8px;color:#fff6dc;font-size:20px}.gate-card p{color:#e8dcb8;font-size:14px;line-height:1.6;margin:0 0 16px}
.gate-big{font-size:40px}.gate-card .btn{display:block;width:100%;margin-top:8px}

/* 登录框 */
.gbtn{display:flex;justify-content:center;min-height:44px;margin:4px 0}
.gate-card .or{font-size:12px;color:var(--muted);margin:10px 0 6px}
.gate-card .frm{display:flex;gap:6px;margin-top:6px}
.gate-card .frm input{flex:1;min-width:0;border:1px solid var(--line);background:#0e1530;color:#fff6dc;border-radius:12px;padding:10px 12px;font-size:16px}
.gate-card .frm .btn{display:inline-block;width:auto;margin:0;white-space:nowrap}
.lgmsg{min-height:20px;font-size:13px;color:var(--gold);margin:8px 0 2px}
#me{position:absolute;top:10px;right:14px;font-size:12px;color:var(--muted);z-index:6}

/* 对话 */
.scene-tag{font-size:12px;color:var(--gold);margin-bottom:6px}
.card.listen .talk{margin:6px 0 4px}
.card.listen .who{display:inline-block;font-size:12px;color:var(--muted);margin-bottom:6px}
.card.listen .bub2{background:#2b3c66;border:1px solid #9fb6e855;border-radius:16px 16px 16px 4px;padding:12px 16px;font:22px/1.4 Georgia,serif;color:#fff6dc;display:inline-block}
.card.listen .bubzh{font-size:14px;color:#e8dcb8;margin-top:8px}

/* 一局结算 */
.result .big small{font-size:18px;color:var(--muted)}
.result .big2{font-size:18px;margin:6px 0 2px}.result .big2 b{font:700 40px Georgia,serif;color:var(--gold);margin:0 4px}
.result .cheer{margin:8px 0 2px;color:#fff6dc;font-size:15px}
.stats.three{grid-template-columns:repeat(3,1fr)}
.stuck{text-align:left;margin:10px 0 4px;border-top:1px solid var(--line);padding-top:10px}
.stuck-h{font-size:13px;color:var(--gold);margin-bottom:6px}
.stuck-row{display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px dashed #f1e9d822}
.stuck-row>div{flex:1;min-width:0}.stuck-row i{display:block;font:15px Georgia,serif;color:#fff6dc}.stuck-row span{font-size:12px;color:var(--muted)}
.stuck-row .btn{flex:none;padding:5px 12px;font-size:13px}
.desk{margin:12px 0 0;font-size:12px;color:var(--muted)}.linkbtn{background:none;border:0;color:var(--gold);text-decoration:underline;padding:0;font-size:12px}

#fx{position:fixed;inset:0;pointer-events:none;z-index:35}
#fx img{position:absolute;left:50%;top:38%;width:min(70vw,360px);transform:translate(-50%,-50%);mix-blend-mode:screen}
#fx img.bunny{width:min(42vw,200px);top:auto;bottom:calc(var(--kbh) + 10px);left:auto;right:6px;transform:none;mix-blend-mode:normal}

/* 声音提示 */
.toast{position:fixed;left:50%;bottom:calc(var(--kbh) + 18px);transform:translate(-50%,20px);opacity:0;pointer-events:none;z-index:45;width:min(92vw,460px);background:#1b2950f5;border:1px solid #f2c66d66;border-radius:14px;padding:12px 14px;font-size:14px;color:#fff6dc;box-shadow:0 12px 30px #000a;transition:opacity .2s,transform .2s;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.toast .btns{margin-top:10px}.toast .btn{font-size:13px;padding:5px 12px}

/* 结算 */
.result{text-align:center}
.result .stars{font-size:40px;letter-spacing:8px;color:var(--gold);text-shadow:0 0 18px #f2c66d77;margin:6px 0 0}.result .stars .off{color:#ffffff26;text-shadow:none}
.result .solo{margin:8px 0 2px;font-size:15px;color:#e8dcb8}.result .solo b{color:var(--gold);font-size:22px}
.result .big{font:600 30px Georgia,serif;margin:10px 0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0}
.stats div{background:#ffffff0d;border-radius:10px;padding:8px 4px;font-size:12px;color:var(--muted)}
.stats b{display:block;font:600 20px Georgia,serif;color:#fff6dc}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.choices button{border:1px solid var(--line);background:#ffffff10;border-radius:14px;padding:14px 8px;font-size:16px}
.choices button span{display:block;font-size:12px;color:var(--muted);margin-top:2px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

@media (min-width:900px){.qzh{font-size:26px}}
/* 拼句组件的颜色：用首页的夜色 */
.hud .sk-label{font-size:13px;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;justify-content:center}
.result .rank{font:700 56px/1.05 Georgia,serif;color:var(--gold);text-shadow:0 0 18px #f2c66d77;margin:6px 0 0}
.result .bonus{font-size:13px;margin-top:2px}
.result .lesson-stars{margin:12px 0 4px}
/* 二期第 2 轮：连胜、这周几局、影子；场景路线 */
.result .keep{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 10px;margin:12px 0 4px;font-size:13px;color:var(--muted,#b9b6c9)}
.result .keep span{border:1px solid #f1e9d833;border-radius:20px;padding:2px 10px}.result .keep .saved{color:#9fd3a4;border-color:#9fd3a455}
.result .sk-route{text-align:left}
/* 二期第 3 轮：错因、难度建议、分享图 */
.result .errs,.result .suggest{margin:12px 0 4px;display:grid;gap:6px;justify-items:center}
.result .errs .chip{display:inline-block;margin:2px 4px;padding:1px 9px;border:1px solid #e9998a66;border-radius:12px;color:#e9998a;font-size:13px}
.toast .share-img{display:block;max-width:min(80vw,320px);border-radius:8px;margin:0 auto 8px}
.gate .notify{display:flex;gap:8px;align-items:center;justify-content:center;font-size:13px;color:var(--muted,#b9b6c9);margin:8px 0}
.result .pwa{margin:12px auto 0;max-width:420px;border:1px dashed #f1e9d855;border-radius:12px;padding:10px 12px;display:grid;gap:6px;justify-items:center;font-size:13px}
/* 试玩（Fable 1109）：开始大按钮、中文整句进度条、引导语 */
.start-card{text-align:center;padding:34px 20px 26px}
.start-card .sc-zh{font-size:clamp(26px,5vw,38px);font-weight:700;color:#fff6dc;letter-spacing:.04em}
.sc-lead{font-size:16px;margin:10px 0 18px;color:#e9ecf8}
.sc-fine{font-size:13px;margin-top:12px}
.btn.big{font-size:19px;padding:14px 30px}
.trial-bar{margin:-4px 0 14px}
.trial-bar .tb-zh{font-size:14px;color:var(--muted);margin-bottom:8px}
.trial-bar .tb-chunks{display:flex;flex-wrap:wrap;gap:8px}
.tb-c{display:flex;flex-direction:column;align-items:center;min-width:72px;padding:6px 12px;border-radius:12px;border:1.5px dashed #ffffff30;color:#ffffff80;transition:all .3s}
.tb-c b{font-weight:600;font-size:16px}.tb-c i{font-style:normal;font-size:12px;opacity:.8}
.tb-c.cur{border:1.5px solid #f2c66d;color:#fff6dc;background:#f2c66d1a}
.tb-c.done{border:1.5px solid #9fd3a4;color:#e8f6ea;background:#9fd3a41a}
.tb-c.all{border-color:#f2c66d;box-shadow:0 0 14px #f2c66d55}
.coach{font-size:13px;color:#f2c66d;opacity:.9;margin:6px 0 2px}
.hud.trial .sk-label{color:#fff6dc;font-weight:600}
.trial-mid .sc-lead b{color:#f2c66d}
.gate-card .frm[hidden]{display:none}

/* 四期 R6：情境挑战＋AI 自由对话 */
.qzh.sit{font-size:19px;line-height:1.5;color:#fff6dc}
.freetalk{margin:12px 0 2px;border-top:1px solid var(--line);padding-top:10px}.freetalk .btns{margin-top:8px}.ft-fine{font-size:12px;margin-top:6px}
.rp{text-align:left}.rp .btns{justify-content:flex-start}
.rp-h{margin:4px 0 6px;font-size:18px;color:#fff6dc}.rp-fine{font-size:13px;margin:0 0 10px}
.rp-scenes{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px}
.rp-scene{text-align:left;background:#2b3c66;border:1px solid #9fb6e855;border-radius:14px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.rp-scene b{color:#fff6dc}.rp-scene span{font-size:13px;color:var(--muted)}.rp-scene:hover{border-color:var(--gold)}
.rp-left{font-size:13px;margin-top:10px}
.rp-note{margin:10px 0 0;background:#3a2a1c;border:1px solid #f2c66d66;border-radius:12px;padding:10px 12px;font-size:14px}.rp-note .btn{margin-top:8px;font-size:13px;padding:5px 12px}
.rp-privacy{font-size:11px;color:var(--muted);margin:12px 0 0;line-height:1.5}
.rp-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.rp-turn{font-size:12px;color:var(--muted);flex:none}
.rp-log{max-height:min(52vh,460px);overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:4px 2px 6px;overscroll-behavior:contain}
.rp-msg{max-width:88%;display:flex;flex-direction:column;align-items:flex-start}.rp-msg.ai{align-self:flex-start}.rp-msg.me{align-self:flex-end;align-items:flex-end}
.rp-who{font-size:11px;color:var(--muted);margin-bottom:2px}
.rp-msg .bub2{background:#2b3c66;border:1px solid #9fb6e855;border-radius:16px 16px 16px 4px;padding:9px 13px;font:18px/1.4 Georgia,serif;color:#fff6dc;display:inline-block}.rp-msg .bubzh{font-size:13px;margin-top:4px}
.rp-say{text-decoration:none;font-size:14px;margin-top:2px}
.rp-me{display:inline-block;background:#f2c66d;color:#1b2547;border-radius:16px 16px 4px 16px;padding:9px 13px;font:18px/1.4 Georgia,serif;text-align:left;word-break:break-word}
.rp-fix{margin-top:6px;max-width:100%;background:#3a1f24;border:1px solid #e9998a66;border-radius:12px;padding:8px 10px;font-size:14px;text-align:left;display:inline-block}
.rp-fix s{color:var(--red)}.rp-fix b{color:var(--green);font-weight:600}.rp-why{font-size:13px;color:#e8dcb8;margin-top:4px}.rp-flag{font-size:11px;margin-top:4px}
.rp-ok{font-size:12px;color:var(--green);margin-top:4px}
.rp-hit{font-size:12px;color:var(--gold);margin-top:4px}.rp-hit i{font-family:Georgia,serif}
.rp-targets{margin-top:10px;font-size:13px;border:1px solid var(--line);border-radius:12px;padding:6px 10px}
.rp-targets summary{cursor:pointer;color:var(--gold)}
.rp-targets>div,.rp-sum>div{display:flex;gap:8px;align-items:baseline;padding:3px 0}.rp-targets i,.rp-sum i{font-family:Georgia,serif}.rp-targets small{color:var(--muted);margin-left:auto;text-align:right}
.rp-targets .on,.rp-sum .on{color:var(--green)}.rp-targets span,.rp-sum span{width:1em;flex:none}
.rp-sum{text-align:left;margin:10px 0;font-size:14px}
.rp-input{display:flex;gap:8px;margin-top:10px;align-items:flex-end}
.rp-input textarea{flex:1;min-width:0;resize:none;background:#0f1630;color:var(--ink);border:1px solid #9fb6e877;border-radius:12px;padding:9px 11px;font:17px/1.4 Georgia,serif}
.rp-input textarea:focus{outline:2px solid var(--gold);outline-offset:1px}
@media (max-width:520px){.rp-msg{max-width:96%}.rp-scenes{grid-template-columns:1fr}.rp-targets small{display:none}}