:root{
  --bg:#f1f8f3;
  --surface:#fffdfb;
  --surface-2:#f5faf6;
  --ink:#303832;
  --muted:#718078;
  --line:#dce8df;
  --primary:#668f76;
  --primary-2:#86aa91;
  --primary-soft:#e5f1e8;
  --good:#168a59;
  --good-bg:#e8f8f1;
  --warn:#b46b00;
  --warn-bg:#fff4dc;
  --bad:#c54747;
  --bad-bg:#ffeded;
  --shadow:0 18px 55px rgba(54,83,65,.10);
  --radius:22px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.app-shell{min-height:100vh}
.topbar{height:76px;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:13px;border:0;background:none;color:inherit;padding:0;text-align:left}
.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;color:white;font-weight:850;box-shadow:0 9px 22px rgba(82,125,96,.24)}
.brand h1{font-size:18px;margin:0;font-weight:800;letter-spacing:.2px}.brand p{font-size:12px;color:var(--muted);margin:3px 0 0}
.top-actions{display:flex;gap:10px}.icon-btn,.ghost-btn,.primary-btn,.secondary-btn,.danger-btn{border:0;border-radius:13px;padding:11px 15px;font-weight:700;transition:.18s ease}
.ghost-btn,.icon-btn{background:var(--surface-2);color:#52556a}.ghost-btn:hover,.icon-btn:hover{background:var(--primary-soft);color:var(--primary)}
.primary-btn{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 9px 20px rgba(82,125,96,.20)}.primary-btn:hover{transform:translateY(-1px)}
.secondary-btn{background:var(--primary-soft);color:var(--primary)}.secondary-btn:hover{background:#d8ebde}
.danger-btn{background:var(--bad-bg);color:var(--bad)}
button:disabled{opacity:.45;cursor:not-allowed;transform:none!important}
.main{max-width:1500px;margin:0 auto;padding:30px 34px 54px}
.hero{background:linear-gradient(135deg,#5d8069 0%,#739780 58%,#9bb5a2 100%);border-radius:30px;padding:54px;color:white;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.hero:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-90px;top:-120px;background:rgba(255,255,255,.11)}
.hero:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:190px;bottom:-95px;background:rgba(255,255,255,.08)}
.hero-content{position:relative;z-index:1;max-width:790px}.eyebrow{text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:2px;opacity:.75}.hero h2{font-size:42px;line-height:1.15;margin:12px 0 14px}.hero p{font-size:17px;line-height:1.75;margin:0;opacity:.9}.hero-stats{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}.hero-stat{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);padding:12px 16px;border-radius:14px}.hero-stat strong{font-size:22px;margin-right:5px}
.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:24px}.module-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 12px 32px rgba(54,83,65,.05);position:relative;overflow:hidden}.module-card:hover{border-color:#c8dfd0;box-shadow:var(--shadow)}.module-icon{width:54px;height:54px;border-radius:17px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:25px}.module-card h3{font-size:24px;margin:20px 0 8px}.module-card p{color:var(--muted);line-height:1.7;margin:0 0 22px}.feature-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.tag{font-size:12px;background:var(--surface-2);border:1px solid var(--line);padding:7px 10px;border-radius:999px;color:#626579;font-weight:700}
.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;align-items:start}.sidebar{position:sticky;top:100px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;max-height:calc(100vh - 122px);overflow:auto}.sidebar-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.sidebar-title h3{margin:0;font-size:17px}.search-box{position:relative;margin-bottom:15px}.search-box input{width:100%;border:1px solid var(--line);background:var(--surface-2);border-radius:12px;padding:11px 12px 11px 38px;outline:none}.search-box input:focus{border-color:#9ac2aa;box-shadow:0 0 0 3px var(--primary-soft)}.search-icon{position:absolute;left:13px;top:11px;color:#9396a8}
.category-list{display:flex;flex-direction:column;gap:5px}.category-btn{width:100%;border:0;background:transparent;border-radius:11px;text-align:left;padding:10px 11px;color:#5c5f72;font-weight:700;display:flex;justify-content:space-between}.category-btn:hover,.category-btn.active{background:var(--primary-soft);color:var(--primary)}.category-count{font-size:11px;background:rgba(255,255,255,.8);padding:2px 7px;border-radius:99px}.topic-divider{height:1px;background:var(--line);margin:16px 0}.topic-list{display:flex;flex-direction:column;gap:5px}.topic-btn{width:100%;border:0;background:transparent;text-align:left;border-radius:12px;padding:10px 11px;display:grid;grid-template-columns:27px 1fr;gap:8px;color:#56596c}.topic-btn:hover{background:var(--surface-2)}.topic-btn.active{background:#e8f3eb;color:var(--primary)}.topic-num{font-size:11px;font-weight:800;background:#ececf4;border-radius:8px;height:24px;display:grid;place-items:center}.topic-btn.active .topic-num{background:var(--primary);color:white}.topic-name strong{display:block;font-size:13px;line-height:1.3}.topic-name span{font-size:11px;color:var(--muted);display:block;margin-top:3px}
.practice{min-width:0}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.breadcrumb{font-size:12px;color:var(--muted);font-weight:700}.page-head h2{font-size:28px;margin:7px 0 4px}.page-head p{margin:0;color:var(--muted)}.mode-badge{display:flex;align-items:center;gap:8px;border-radius:999px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);font-size:12px;font-weight:800;white-space:nowrap}.mode-dot{width:8px;height:8px;border-radius:50%;background:var(--good)}
.progress-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin-bottom:16px;display:flex;align-items:center;gap:14px}.progress-track{height:8px;flex:1;background:#ececf3;border-radius:99px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),#9dbba7);border-radius:99px}.progress-text{font-size:12px;font-weight:800;color:#66697c}
.sentence-card{background:var(--surface);border:1px solid var(--line);border-radius:26px;box-shadow:0 14px 40px rgba(54,83,65,.06);overflow:hidden}.sentence-header{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.question-label{font-size:12px;font-weight:850;color:var(--primary);letter-spacing:.6px}.level-pill{font-size:11px;padding:6px 9px;border-radius:999px;background:var(--good-bg);color:var(--good);font-weight:800}.original-block{padding:28px 30px 24px;background:linear-gradient(180deg,#fff,#f8fcf9)}.label{font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);font-weight:850;margin-bottom:10px}.original-text{font-family:Georgia,"Times New Roman",serif;font-size:27px;line-height:1.55;color:#333442;margin:0}.translation{margin-top:11px;color:#7b7e90;font-size:14px}.listen-row{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}.listen-btn{border:1px solid #cfe1d5;background:white;color:var(--primary);padding:10px 14px;border-radius:12px;font-weight:800}.listen-btn:hover{background:var(--primary-soft)}
.response-block{padding:24px 30px 28px;border-top:1px solid var(--line)}.record-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-bottom:14px}.record-group{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.record-btn{border:0;background:linear-gradient(135deg,#ed5464,#db3e57);color:white;padding:12px 18px;border-radius:13px;font-weight:850;box-shadow:0 9px 20px rgba(219,62,87,.20)}.record-btn.recording{animation:pulse 1.2s infinite}.stop-btn{border:0;background:#2f3040;color:white;padding:12px 17px;border-radius:13px;font-weight:800}.playback-btn{border:1px solid var(--line);background:var(--surface-2);padding:11px 14px;border-radius:13px;color:#56596b;font-weight:800}.status-line{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.status-live{width:8px;height:8px;border-radius:50%;background:#ed5464;box-shadow:0 0 0 5px rgba(237,84,100,.12)}
@keyframes pulse{50%{transform:scale(1.025);box-shadow:0 0 0 8px rgba(219,62,87,.10)}}
.transcript-wrap{position:relative}.transcript-wrap textarea{width:100%;min-height:90px;resize:vertical;border:1px solid var(--line);background:var(--surface-2);border-radius:15px;padding:15px 16px;line-height:1.6;outline:none;color:#343544}.transcript-wrap textarea:focus{border-color:#a8c9b4;box-shadow:0 0 0 3px var(--primary-soft)}.transcript-hint{font-size:11px;color:var(--muted);margin:8px 2px 0}.analyze-row{display:flex;justify-content:flex-end;margin-top:13px}
.result-panel{margin-top:18px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 13px 34px rgba(45,42,78,.05)}.score-head{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center}.score-ring{width:142px;height:142px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--primary) var(--score-angle),#ececf4 0);position:relative}.score-ring:after{content:"";position:absolute;width:112px;height:112px;background:white;border-radius:50%}.score-value{position:relative;z-index:1;text-align:center}.score-value strong{font-size:39px;line-height:1}.score-value span{font-size:11px;color:var(--muted);display:block;margin-top:5px}.score-summary h3{font-size:21px;margin:0 0 8px}.score-summary p{color:var(--muted);line-height:1.65;margin:0}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}.metric{background:var(--surface-2);border-radius:14px;padding:13px}.metric span{font-size:11px;color:var(--muted);display:block}.metric strong{font-size:20px;display:block;margin-top:4px}.section-title{font-size:14px;margin:24px 0 12px;display:flex;align-items:center;justify-content:space-between}.section-title small{font-weight:500;color:var(--muted)}
.word-comparison{display:flex;gap:8px;flex-wrap:wrap}.word-chip{padding:8px 10px;border-radius:10px;font-size:13px;font-weight:750;border:1px solid transparent}.word-chip.good{background:var(--good-bg);color:var(--good)}.word-chip.warn{background:var(--warn-bg);color:var(--warn)}.word-chip.bad{background:var(--bad-bg);color:var(--bad)}.word-chip.insert{background:#f1f1f6;color:#686b7e}.word-chip small{display:block;font-size:10px;opacity:.75;margin-top:2px;font-weight:650}
.phoneme-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}.phoneme-card{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fff}.phoneme-word{display:flex;align-items:center;justify-content:space-between;font-weight:850}.phoneme-word span{font-size:11px;color:var(--muted)}.ipa{font-family:"Times New Roman",serif;color:#5b5e70;margin-top:8px;line-height:1.6}.phone-row{display:flex;gap:4px;flex-wrap:wrap;margin-top:7px}.phone{font-family:"Times New Roman",serif;font-size:13px;padding:3px 6px;border-radius:7px;background:var(--good-bg);color:var(--good)}.phone.mid{background:var(--warn-bg);color:var(--warn)}.phone.low{background:var(--bad-bg);color:var(--bad)}
.feedback-box{border-left:4px solid var(--primary);background:var(--primary-soft);padding:13px 15px;border-radius:0 12px 12px 0;color:#514b73;font-size:13px;line-height:1.7}.nav-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}.sentence-map{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px;margin-top:16px}.sentence-dots{display:flex;gap:8px;flex-wrap:wrap}.sentence-dot{width:38px;height:38px;border:1px solid var(--line);background:var(--surface-2);border-radius:11px;font-weight:800;color:#6a6d7e}.sentence-dot.active{background:var(--primary);color:white;border-color:var(--primary)}.sentence-dot.done{background:var(--good-bg);color:var(--good);border-color:#bfe8d4}
.interview-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.question-prompt{font-size:22px;line-height:1.55;margin:14px 0 22px}.timer{width:96px;height:96px;border-radius:50%;border:8px solid var(--primary-soft);display:grid;place-items:center;font-size:26px;font-weight:850;color:var(--primary)}.interview-layout{display:grid;grid-template-columns:1fr 120px;gap:26px}.sample-box{margin-top:16px;background:#f7fbf8;border:1px solid var(--line);border-radius:15px;padding:16px;line-height:1.7;color:#56596b}
.empty{padding:30px;text-align:center;color:var(--muted)}
.modal-backdrop{position:fixed;inset:0;background:rgba(24,23,39,.48);backdrop-filter:blur(5px);z-index:50;display:grid;place-items:center;padding:20px}.modal{width:min(620px,100%);max-height:90vh;overflow:auto;background:white;border-radius:24px;padding:26px;box-shadow:0 28px 85px rgba(17,15,40,.28)}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.modal-head h3{margin:0;font-size:22px}.close-btn{border:0;background:var(--surface-2);width:36px;height:36px;border-radius:11px;font-size:20px}.setting-group{padding:17px 0;border-top:1px solid var(--line)}.setting-group:first-of-type{border-top:0}.setting-group h4{margin:0 0 6px}.setting-group p{margin:0 0 13px;font-size:12px;line-height:1.6;color:var(--muted)}.field{margin-top:12px}.field label{font-size:12px;font-weight:800;display:block;margin-bottom:6px}.field input,.field select{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;outline:none}.field input:focus,.field select:focus{border-color:#9ac2aa;box-shadow:0 0 0 3px var(--primary-soft)}.range-row{display:flex;gap:12px;align-items:center}.range-row input{flex:1}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:20px}.switch{position:relative;width:46px;height:26px;background:#d9dae4;border-radius:99px;border:0}.switch.on{background:var(--primary)}.switch:after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:white;top:3px;left:3px;transition:.18s}.switch.on:after{left:23px}.notice{background:var(--warn-bg);color:#79520e;border-radius:12px;padding:12px 14px;font-size:12px;line-height:1.65}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;background:#2c2d3a;color:white;padding:12px 17px;border-radius:12px;font-size:13px;z-index:80;pointer-events:none;transition:.22s}.toast.show{transform:translate(-50%,0);opacity:1}
.history-list{display:grid;gap:10px}.history-item{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:14px;display:flex;justify-content:space-between;align-items:center;gap:15px}.history-item h4{margin:0 0 4px}.history-item p{margin:0;color:var(--muted);font-size:12px}.history-score{font-size:22px;font-weight:850;color:var(--primary)}
.mobile-topic-btn{display:none}
@media(max-width:980px){.workspace{grid-template-columns:1fr}.sidebar{display:none;position:fixed;inset:82px 12px 12px;z-index:30;max-height:none}.sidebar.mobile-open{display:block}.mobile-topic-btn{display:inline-flex}.module-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,1fr)}.score-head{grid-template-columns:120px 1fr}.score-ring{width:116px;height:116px}.score-ring:after{width:90px;height:90px}.hero{padding:40px}.hero h2{font-size:34px}}
@media(max-width:640px){.topbar{padding:0 16px}.top-actions .ghost-btn span{display:none}.main{padding:20px 14px 40px}.hero{padding:30px 24px;border-radius:22px}.hero h2{font-size:29px}.hero p{font-size:15px}.page-head{flex-direction:column}.sentence-header,.original-block,.response-block{padding-left:20px;padding-right:20px}.original-text{font-size:23px}.score-head{grid-template-columns:1fr;text-align:center}.score-ring{margin:auto}.metric-grid{grid-template-columns:repeat(2,1fr)}.interview-layout{grid-template-columns:1fr}.timer{margin:auto}.brand p{display:none}}


/* ===== V2.9 最终护眼配色与标题/QUESTION映射 ===== */
:root{
  --bg:#eaf5ed;
  --surface:#fffdf8;
  --surface-2:#f3f8f4;
  --ink:#243a38;
  --muted:#6c7b75;
  --line:#d5e4da;
  --primary:#3d806d;
  --primary-2:#6aa38e;
  --primary-soft:#dfeee5;
  --panel-blue:#e7f0f4;
  --panel-pink:#f7eceb;
  --shadow:0 16px 48px rgba(51,91,72,.09);
}
html,body{
  background:
    radial-gradient(circle at 8% 0%,rgba(217,238,224,.88),transparent 28%),
    radial-gradient(circle at 100% 15%,rgba(229,239,244,.82),transparent 30%),
    var(--bg);
}
.topbar{background:rgba(255,253,248,.94)}
.sidebar{background:rgba(255,253,248,.94);border-color:var(--line)}
.topic-btn.active{
  background:linear-gradient(135deg,#dceee3,#e4eef3);
  color:#2f725f;
}
.category-btn.active{background:#e2efe7;color:#34745f}
.page-head{
  padding:24px 26px;
  border:1px solid #d1e2d7;
  border-radius:24px;
  background:linear-gradient(135deg,#dcefe1 0%,#e6f0f4 72%,#f5ecea 100%);
  box-shadow:0 12px 34px rgba(62,101,81,.07);
}
.page-head h2{color:#214f4d}
.page-head p{color:#61756e}
.topic-head-copy{min-width:0}
.topic-audio-tools{
  display:flex;
  align-items:center;
  gap:9px;
  flex-wrap:wrap;
  margin-top:15px;
}
.topic-audio-btn{
  border:1px solid #b9d5c5;
  background:#fffdf8;
  color:#34745f;
  border-radius:12px;
  padding:9px 13px;
  font-weight:800;
}
.topic-audio-btn:hover{background:#edf7f0}
.topic-audio-btn.secondary{
  border-color:#cadce3;
  color:#4f7180;
  background:#f5fafb;
}
.mapping-badge{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:7px 11px;
  border-radius:999px;
  background:rgba(255,253,248,.72);
  border:1px solid rgba(132,167,151,.32);
  color:#65776f;
  font-size:12px;
  font-weight:750;
}
.progress-card{background:#fffdf8}
.sentence-card{background:#fffdf8}
.sentence-header{
  background:linear-gradient(90deg,#edf7f0,#edf4f7);
}
.question-label{color:#34745f}
.original-block{
  background:linear-gradient(180deg,#fffdf8 0%,#fbf7f3 100%);
}
.response-block{background:#fffdf8}
.listen-btn{
  border-color:#bdd9c9;
  background:#fffdf8;
  color:#34745f;
}
.listen-btn:hover{background:#e7f3eb}
.sentence-map,.result-panel,.interview-card{background:#fffdf8}
.transcript-wrap textarea{background:#f4f8f4}
.mode-badge{background:rgba(255,253,248,.78);border:1px solid rgba(127,163,146,.28)}
@media(max-width:640px){
  .page-head{padding:20px}
  .topic-audio-tools{align-items:stretch}
  .topic-audio-btn{flex:1 1 145px}
  .mapping-badge{width:100%;justify-content:center}
}


/* ===== V3.0 标题锚点模式：浅粉绿护眼配色 ===== */
:root{
  --bg:#edf6ef;
  --surface:#fffdfa;
  --surface-2:#f4f8f4;
  --ink:#2d3c36;
  --muted:#728078;
  --line:#d6e5da;
  --primary:#4f8068;
  --primary-2:#78a38b;
  --primary-soft:#e1eee5;
  --panel-pink:#f6eeec;
  --panel-green:#e4f1e7;
  --shadow:0 16px 45px rgba(62,92,72,.08);
}
html,body{
  background:
    radial-gradient(circle at 6% 0%,rgba(222,240,227,.90),transparent 28%),
    radial-gradient(circle at 100% 12%,rgba(248,233,232,.72),transparent 28%),
    var(--bg);
}
.page-head{
  background:linear-gradient(135deg,#dfeee3 0%,#edf4ed 58%,#f7ecea 100%);
  border-color:#cfe0d4;
}
.sentence-header{
  background:linear-gradient(90deg,#e9f4ec 0%,#f3eeeb 100%);
}
.original-block{
  background:linear-gradient(180deg,#fffdfa 0%,#f8f5f0 100%);
}
.mapping-badge.locked{
  color:#2f7158;
  background:#e3f2e8;
  border-color:#b9d8c5;
}
.mapping-badge.pending{
  color:#80675f;
  background:#f8efec;
  border-color:#e5d2cc;
}
.topic-audio-btn{
  box-shadow:0 5px 14px rgba(70,112,87,.06);
}
.listen-btn{
  background:#fffdfa;
  border-color:#c5ddcd;
}
.listen-btn:hover{
  background:#e8f3eb;
}
.progress-track{
  background:#e4ece6;
}
.record-btn{
  background:linear-gradient(135deg,#df6b70,#c95660);
  box-shadow:0 8px 18px rgba(201,86,96,.16);
}


/* ===== V3.2 逐句校准与轻量庆祝动画 ===== */
.calibrate-sentence-btn{
  border-color:#d9cfc7;
  color:#7a665c;
  background:#faf4f0;
}
.calibrate-sentence-btn:hover{
  background:#f5e9e3;
}
.calibrate-sentence-btn.is-calibrated{
  border-color:#aacdb8;
  color:#2f7158;
  background:#e7f3eb;
}

.celebration-layer{
  position:fixed;
  inset:0;
  z-index:99999;
  pointer-events:none;
  overflow:hidden;
}
.celebration-particle{
  position:absolute;
  left:var(--x);
  bottom:13%;
  font-size:var(--size);
  opacity:0;
  filter:drop-shadow(0 4px 8px rgba(57,91,71,.13));
  animation:celebration-rise 1.85s cubic-bezier(.18,.7,.25,1) var(--delay) forwards;
}
.celebration-particle.star{
  color:#d6a64d;
}
.celebration-layer.great .celebration-particle.star:nth-child(even){
  color:#6e9f82;
}
.celebration-particle.balloon{
  animation-name:balloon-rise;
}
.celebration-word{
  position:absolute;
  left:50%;
  top:45%;
  transform:translate(-50%,-50%) scale(.72);
  padding:11px 22px;
  border-radius:999px;
  color:#fff;
  background:rgba(69,125,99,.93);
  box-shadow:0 14px 36px rgba(55,101,78,.18);
  font-size:24px;
  font-weight:900;
  letter-spacing:.02em;
  opacity:0;
  animation:celebration-pop 1.35s ease-out .08s forwards;
}
.celebration-layer.perfect .celebration-word{
  background:linear-gradient(135deg,#4d856d,#c88d63);
}
@keyframes celebration-rise{
  0%{transform:translate(-50%,20px) scale(.7) rotate(0deg);opacity:0}
  18%{opacity:.95}
  100%{transform:translate(calc(-50% + var(--drift)),-340px) scale(1.05) rotate(150deg);opacity:0}
}
@keyframes balloon-rise{
  0%{transform:translate(-50%,25px) scale(.72);opacity:0}
  18%{opacity:.92}
  100%{transform:translate(calc(-50% + var(--drift)),-420px) scale(1.08);opacity:0}
}
@keyframes celebration-pop{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.7)}
  22%{opacity:1;transform:translate(-50%,-50%) scale(1.06)}
  72%{opacity:1;transform:translate(-50%,-50%) scale(1)}
  100%{opacity:0;transform:translate(-50%,-60%) scale(.96)}
}
@media(prefers-reduced-motion:reduce){
  .celebration-particle{display:none}
  .celebration-word{animation:none;opacity:1}
}


/* ===== V3.7 登录 + 折叠云同步 ===== */
.cloud-top-btn{white-space:nowrap}
.cloud-top-btn.cloud-ok{background:#e5f3e8;color:#34745f}
.cloud-compact-modal{width:min(480px,100%)}
.cloud-eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:850;color:var(--muted);margin-bottom:5px}
.cloud-helper{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 14px}
.cloud-message{min-height:20px;margin-top:11px;color:#a35736;font-size:12px;line-height:1.5}
.cloud-login-actions{margin-top:14px}
.cloud-account-card{display:flex;gap:13px;align-items:center;background:linear-gradient(135deg,#e5f1e8,#edf4f0);border:1px solid #cfdfd4;border-radius:16px;padding:15px;margin-bottom:13px}
.cloud-account-card p{margin:3px 0 0;color:var(--muted);font-size:12px;word-break:break-all}
.cloud-avatar{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--primary);color:white;font-weight:900}
.cloud-empty-state{text-align:center;padding:18px 10px 8px}
.cloud-big-icon{font-size:38px;margin-bottom:8px}
.cloud-empty-state p{max-width:350px;margin:8px auto 0;color:var(--muted);font-size:13px;line-height:1.7}
.cloud-sync-summary{display:flex;align-items:center;justify-content:space-between;gap:14px;background:linear-gradient(135deg,#e6f2e9,#f6efeb);border:1px solid #d3e2d8;border-radius:17px;padding:15px 16px}
.cloud-sync-summary p{margin:4px 0 0;color:var(--muted);font-size:12px}
.cloud-sync-summary strong{font-size:13px;word-break:break-all}
.cloud-status-pill{flex:0 0 auto;border-radius:999px;background:#dff0e3;color:#34745f;border:1px solid #c7e0ce;padding:7px 10px;font-size:11px;font-weight:850}
.cloud-sync-actions{display:grid;gap:11px;margin-top:15px}
.cloud-sync-actions>.primary-btn{width:100%}
.cloud-auto-row{display:flex;align-items:flex-start;gap:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:12px 13px;cursor:pointer}
.cloud-auto-row input{margin-top:3px}
.cloud-auto-row span{display:grid;gap:3px}
.cloud-auto-row strong{font-size:13px}
.cloud-auto-row small{font-size:11px;color:var(--muted);line-height:1.5}
.cloud-detail{margin-top:12px;padding:11px 13px;border-radius:12px;background:#f7faf7;border:1px dashed #d5e3d9;color:#627169;font-size:12px;line-height:1.6}
.cloud-fold{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
.cloud-fold summary{cursor:pointer;color:var(--muted);font-size:12px;font-weight:750;user-select:none}
.cloud-more-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
@media(max-width:640px){
  .top-actions{gap:6px}
  .top-actions .ghost-btn{padding:10px 11px}
  .cloud-compact-modal{padding:22px 18px}
  .cloud-sync-summary{align-items:flex-start}
}