:root{
  --ink:#1B2027; --ink2:#5A6675; --ink3:#8A96A6;
  --line:#E3E8EF; --bg:#F6F8FB; --card:#FFFFFF;
  --duck:#F5B31E; --duck-d:#D9970B;
  --ok:#12A150; --warn:#B4690E; --err:#C2312B;
  --shadow:0 1px 2px rgba(20,26,36,.05),0 8px 26px rgba(20,26,36,.07);
  --r:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); min-height:100vh;
  font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",
       "Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--duck-d);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}

/* ── 布局 ── */
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
header{
  background:var(--card);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40;
}
header .wrap{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;letter-spacing:-.2px}
.brand .egg{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  object-fit:cover;display:block;
  box-shadow:0 1px 3px rgba(20,26,36,.16);
}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--ink3);letter-spacing:0}
.sp{flex:1}
nav a{color:var(--ink2);font-size:14px;margin-right:16px}
nav a.on{color:var(--ink);font-weight:600}

/* ── 组件 ── */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
      box-shadow:var(--shadow);padding:20px}
.b{border:1px solid var(--line);background:var(--card);color:var(--ink);
   padding:9px 16px;border-radius:99px;font-size:14px;transition:.15s}
.b:hover{border-color:var(--ink3)}
.b:disabled{opacity:.5;cursor:not-allowed}
.b.p{background:var(--duck);border-color:var(--duck);color:#3A2A00;font-weight:700}
.b.p:hover{background:var(--duck-d);border-color:var(--duck-d)}
.b.sm{padding:6px 12px;font-size:13px}
.b.gh{border-color:transparent;background:transparent;color:var(--ink2)}
.chip{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;
      background:#F1F4F8;color:var(--ink2)}
.chip.ok{background:#E6F6ED;color:var(--ok)}
.chip.warn{background:#FDF3E3;color:var(--warn)}
.mini{font-size:12.5px;color:var(--ink3);line-height:1.7}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.tip{border-radius:10px;padding:11px 14px;font-size:13px;line-height:1.75;
     border-left:3px solid var(--duck);background:#FFFBF0;color:#6B5416}
.tip.err{border-color:var(--err);background:#FDF1F0;color:#8C2721}
.tip.ok{border-color:var(--ok);background:#EDF9F2;color:#0B6335}

/* ── 生成区 ── */
.hero{padding:26px 0 14px}
.hero h1{margin:0 0 6px;font-size:26px;letter-spacing:-.4px}
.hero p{margin:0;color:var(--ink2);font-size:14.5px}

.ask{display:flex;gap:10px;margin-top:16px}
.ask textarea{
  flex:1;border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  resize:none;height:52px;background:var(--card);outline:none;transition:.15s;
}
.ask textarea:focus{border-color:var(--duck);box-shadow:0 0 0 3px rgba(245,179,30,.15)}
.egs{margin-top:10px;display:flex;gap:7px;flex-wrap:wrap}
.eg{border:1px solid var(--line);background:var(--card);color:var(--ink2);
    padding:5px 12px;border-radius:99px;font-size:13px}
.eg:hover{border-color:var(--duck);color:var(--ink)}

.stage{margin-top:16px;display:grid;grid-template-columns:1fr 268px;gap:16px}
@media(max-width:860px){.stage{grid-template-columns:1fr}}
#cv{width:100%;height:400px;border-radius:12px;display:block;cursor:grab;
    background:#EAF2FB;touch-action:none}
#cv:active{cursor:grabbing}
.side h3{margin:0 0 10px;font-size:14px}
.side .kv{display:flex;justify-content:space-between;padding:6px 0;
          border-bottom:1px dashed var(--line);font-size:13px}
.side .kv b{font-weight:600}
.side .kv:last-child{border:0}

/* ── 弹窗 ── */
.mask{position:fixed;inset:0;background:rgba(16,20,27,.5);z-index:80;
      display:grid;place-items:center;padding:18px}
.modal{background:var(--card);border-radius:16px;padding:24px;max-width:400px;width:100%;
       box-shadow:0 20px 60px rgba(0,0,0,.28);max-height:88vh;overflow:auto}
.modal h2{margin:0 0 4px;font-size:19px}
.modal .fld{margin-top:13px}
.modal label{display:block;font-size:13px;color:var(--ink2);margin-bottom:5px}
.modal input,.modal textarea,.modal select{
  width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 11px;outline:none}
.modal input:focus,.modal textarea:focus{border-color:var(--duck)}

/* ── 价目 ── */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
@media(max-width:700px){.plans{grid-template-columns:1fr}}
.plan{border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center}
.plan.best{border-color:var(--duck);box-shadow:0 0 0 3px rgba(245,179,30,.14)}
.plan .price{font-size:26px;font-weight:800;margin:6px 0}
.plan .price s{font-size:13px;font-weight:500;color:var(--ink3);text-decoration:none}

/* ── 表格 ── */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;color:var(--ink3);font-weight:600;padding:8px 8px;
   border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
tr:hover td{background:#FAFBFD}
.tw{overflow-x:auto}

/* ── 免责声明常驻 ── */
.disclaim{
  margin:18px 0 30px;padding:13px 16px;border-radius:10px;
  background:#FFF7E6;border:1px solid #F2DCA8;color:#7A5B12;font-size:12.5px;line-height:1.8;
}

/* ── 提示条 ── */
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:120;
       display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
#toast div{background:#232A34;color:#fff;padding:10px 18px;border-radius:99px;
           font-size:13.5px;box-shadow:0 8px 26px rgba(0,0,0,.24);animation:tin .2s}
#toast div.ok{background:#12A150}
#toast div.err{background:#C2312B}
@keyframes tin{from{opacity:0;transform:translateY(8px)}}

footer{border-top:1px solid var(--line);margin-top:36px;padding:20px 0 34px;
       color:var(--ink3);font-size:12.5px}

/* ── 讲故事的字幕 ── */
#sub{
  position:absolute;left:12px;right:12px;bottom:12px;
  background:rgba(22,27,35,.86);color:#fff;border-radius:10px;
  padding:11px 15px;font-size:15px;line-height:1.6;
  opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s;
  pointer-events:none;backdrop-filter:blur(3px);
}
#sub.on{opacity:1;transform:none}
#sub .who{font-size:11px;color:#FFC93F;display:block;margin-bottom:2px;letter-spacing:.4px}
.storyline{display:flex;gap:8px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px}
.storyline:last-child{border:0}
.storyline i{font-style:normal;color:var(--ink3);flex:0 0 auto;font-size:12px;
  background:#F1F4F8;border-radius:99px;padding:1px 8px;height:fit-content}
.storyline.now{background:#FFFBF0}
.storyline.now b{font-weight:600}


/* ── 讲故事的声音开关 ── */
#sub .spk{position:absolute;right:12px;top:-30px;background:rgba(22,27,35,.86);
  color:#fff;border:0;border-radius:99px;padding:4px 12px;font-size:12px;
  pointer-events:auto;cursor:pointer}
.storyline.now i{background:var(--duck);color:#3A2A00}

/* ── 技能栏 ── */
.skills{margin-top:12px;display:flex;gap:10px;align-items:flex-start}
.skills > .mini{flex:0 0 auto;padding-top:6px}
.skills > div{display:flex;gap:7px;flex-wrap:wrap}
.skill{border:1px solid var(--line);background:var(--card);color:var(--ink);
  padding:5px 12px 5px 9px;border-radius:99px;font-size:13px;transition:.15s}
.skill:hover{border-color:var(--duck);box-shadow:0 0 0 3px rgba(245,179,30,.12)}
.skill.on{background:var(--duck);border-color:var(--duck);color:#3A2A00;font-weight:700}
.skill b{font-weight:inherit;margin-left:3px}

/* ── 动作目录 ── */
.catitem.on{background:var(--duck);border-color:var(--duck);color:#3A2A00;font-weight:700}

/* ── 定位条：Idea2Sim ── */
.pos{
  margin-top:20px;padding:22px 24px;border-radius:16px;
  background:linear-gradient(180deg,#1B2230 0%,#232C3D 100%);
  color:#E8EEF6;box-shadow:0 10px 34px rgba(20,26,36,.18);
}
.pos-tag{
  display:inline-block;font-size:11.5px;letter-spacing:2px;font-weight:700;
  color:#3A2A00;background:var(--duck);padding:3px 11px;border-radius:99px;
}
.pos-claim{
  margin:12px 0 18px;font-size:21px;line-height:1.5;font-weight:600;color:#C9D6E6;
}
.pos-claim b{color:#FFC93F;font-weight:800}

.chain{display:flex;align-items:stretch;gap:6px;overflow-x:auto;padding-bottom:4px}
.chain .ch{
  flex:1 1 0;min-width:118px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);border-radius:11px;padding:11px 12px;
}
.chain .ch.ours{
  background:rgba(255,201,63,.13);border-color:rgba(255,201,63,.45);
}
.chain .n{font-size:11px;color:#7E8DA3;display:block}
.chain .ch.ours .n{color:#FFC93F}
.chain b{display:block;font-size:14px;margin:2px 0 3px}
.chain i{display:block;font-style:normal;font-size:11.5px;color:#93A2B6;line-height:1.5}
.chain em{
  display:block;font-style:normal;font-size:11px;margin-top:6px;
  color:#FFC93F;font-weight:700;
}
.chain .ch:not(.ours) em{color:#7E8DA3}
.chain .arrow{
  align-self:center;color:#5A6B82;font-size:15px;flex:0 0 auto;padding:0 1px;
}
@media(max-width:760px){
  .chain{flex-wrap:wrap}
  .chain .arrow{display:none}
  .chain .ch{flex:1 1 44%}
}

.pos-note{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.10);
  font-size:12.5px;line-height:1.9;color:#9FB0C4;
}
.pos-note b{color:#E8EEF6}
.pos-note .motto{
  display:block;margin-top:9px;color:#C9D6E6;font-size:13px;
}
.pos-note .motto b{color:#FFC93F}

/* ── Manifesto ── */
.manifesto{
  margin:18px 0 0;padding:16px 20px 16px 46px;position:relative;
  background:rgba(255,201,63,.07);
  border-left:3px solid var(--duck);border-radius:0 12px 12px 0;
}
.manifesto .mf-mark{
  position:absolute;left:14px;top:6px;font-size:34px;line-height:1;
  color:rgba(255,201,63,.5);font-family:Georgia,"Times New Roman",serif;
}
.manifesto p{margin:0}
.manifesto .mf-en{
  font-size:14px;line-height:1.7;color:#DCE6F2;
  font-family:Georgia,"Times New Roman",serif;font-style:italic;
}
.manifesto .mf-zh{
  margin-top:9px;font-size:13px;line-height:1.85;color:#9FB0C4;
}
.manifesto b{color:#FFC93F;font-style:normal;font-weight:700}

/* ── 唱歌 ── */
.sing { display:flex; align-items:center; gap:8px; margin-top:10px; }
.sing input {
  flex:1; min-width:0; padding:7px 10px; font:inherit; font-size:13px;
  border:1px solid var(--line); border-radius:8px;
  background:#fff; color:var(--ink);
}
.sing input:focus { outline:none; border-color:var(--duck-d); }

/* 字幕里的简谱，跟在歌词后面 */
#sub .jp {
  display:block; margin-top:3px; font-size:12px; letter-spacing:2px;
  opacity:.72; font-variant-numeric:tabular-nums;
}

/* 右栏的谱面：一行简谱、一行词，上下对着看 */
.score { margin-top:12px; border-top:1px solid var(--line); padding-top:10px; }
.scoreline { margin-bottom:8px; }
.scoreline i {
  display:block; font-style:normal; font-size:13px; letter-spacing:3px;
  color:var(--duck-d); font-variant-numeric:tabular-nums;
}
.scoreline em { display:block; font-style:normal; font-size:12px; opacity:.75; letter-spacing:3px; }