/* ---------- lead assistant overlay & side-panel ---------- */
html{scrollbar-gutter:stable}
.lead-overlay{position:fixed;inset:0;z-index:4000;background:rgba(13,15,14,.58);
  opacity:0;visibility:hidden;transition:opacity .45s var(--ease-out, cubic-bezier(.22,1,.36,1)),visibility 0s .45s}
.lead-overlay.open{opacity:1;visibility:visible;transition:opacity .45s var(--ease-out, cubic-bezier(.22,1,.36,1)),visibility 0s}
.lead-panel{position:absolute;top:0;right:0;bottom:0;width:min(560px,100%);background:var(--bg, #fff);color:var(--ink, #000);
  display:flex;flex-direction:column;transform:translate3d(60px,0,0);opacity:0;transition:transform .5s var(--ease-out, cubic-bezier(.22,1,.36,1)),opacity .5s var(--ease-out, cubic-bezier(.22,1,.36,1));
  box-shadow:-12px 0 36px rgba(0,0,0,.18)}
.lead-overlay.open .lead-panel{transform:translate3d(0,0,0);opacity:1}
@media(min-width:641px){
  .lead-panel{border-radius:var(--radius, 28px) 0 0 var(--radius, 28px);overflow:hidden}
}
.lead-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:34px 36px 22px}
.lead-head h3{font-size:22px;font-weight:600;line-height:1.4;margin:0}
.lead-head p{display:none}
.lead-close{width:44px;height:44px;flex:none;border-radius:50%;border:1.5px solid var(--line, #e7e7e3);display:grid;place-items:center;
  font-size:17px;transition:background .3s,color .3s,transform .4s var(--ease-out, cubic-bezier(.22,1,.36,1));background:none;cursor:pointer;color:inherit}
.lead-close:hover{background:var(--ink, #000);color:var(--bg, #fff);transform:rotate(90deg)}
.lead-progress{display:flex;gap:6px;padding:0 36px 20px}
.lead-progress i{flex:1;height:3px;border-radius:3px;background:var(--line, #e7e7e3);overflow:hidden;position:relative}
.lead-progress i::after{content:'';position:absolute;inset:0;background:var(--accent, #18c968);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease-out, cubic-bezier(.22,1,.36,1))}
.lead-progress i.done::after{transform:scaleX(1)}
.lead-body{flex:1;overflow-y:auto;padding:6px 36px 20px}
.lead-step{display:none;border:0;margin:0;padding:0;min-inline-size:0;animation:stepIn .5s var(--ease-out, cubic-bezier(.22,1,.36,1))}
.lead-step.active{display:block}
@keyframes stepIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.lead-step h4{font-size:17px;font-weight:600;margin-top:0;margin-bottom:6px}
.lead-step .hint{display:none}
.opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.opt-grid.one{grid-template-columns:1fr}
.opt{border:1.5px solid var(--line, #e7e7e3);border-radius:16px;padding:16px 18px;font-size:14.5px;font-weight:600;text-align:left;
  transition:border-color .3s,background .3s,transform .3s var(--ease-out, cubic-bezier(.22,1,.36,1));min-height:52px;display:flex;align-items:center;gap:10px;
  background:#fff;color:inherit;cursor:pointer;width:100%}
.opt:hover{border-color:var(--ink, #000)}
.opt.sel{border-color:var(--accent, #18c968);background:rgba(var(--accent-rgb, 24,201,104),.1);color:var(--ink, #000)}
.opt.sel::before{content:'✓';font-weight:600;color:var(--accent, #18c968)}
.lead-field{margin-bottom:16px}
.lead-field label{display:block;font-size:12.5px;font-weight:700;margin-bottom:8px;color:var(--ink-soft, #000)}
.lead-field label i{font-style:normal;color:var(--grey, #767676);font-weight:400}
.lead-field input,.lead-field textarea{width:100%;border:1.5px solid var(--line, #e7e7e3);border-radius:14px;background:#fff;
  padding:14px 16px;font-size:15px;font-family:inherit;color:var(--ink, #000);transition:border-color .3s;outline:none;box-sizing:border-box}
.lead-field input:focus,.lead-field textarea:focus{border-color:var(--accent, #18c968)}
.lead-field textarea{min-height:90px;resize:vertical}
.lead-err{display:none;font-size:12.5px;color:#d42626;margin:4px 0 14px}
.lead-err.show{display:block;animation:stepIn .3s var(--ease-out, cubic-bezier(.22,1,.36,1))}
.lead-privacy{font-size:12px;line-height:1.8;color:var(--grey, #767676);background:rgba(17,17,17,.04);border-radius:12px;padding:12px 16px;margin-top:8px}
.lead-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 36px 30px;border-top:1px solid var(--line, #e7e7e3)}
.lead-back{font-size:14px;font-weight:600;color:var(--grey, #767676);padding:12px 8px;transition:color .3s;background:none;border:none;cursor:pointer}
.lead-back:hover{color:var(--ink, #000)}
.lead-back:disabled{opacity:.3;pointer-events:none}
.lead-skip{font-size:13px;color:var(--grey, #767676);text-decoration:underline;padding:12px 8px;background:none;border:none;cursor:pointer}
.lead-skip:hover{color:var(--ink, #000)}
.lead-next{margin-left:auto}
.lead-success{text-align:center;padding:24px 10px}
.lead-success .ok{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:var(--accent, #18c968);color:#fff;
  display:grid;place-items:center;font-size:38px;font-weight:600;animation:popIn .6s var(--ease-out, cubic-bezier(.22,1,.36,1))}
@keyframes popIn{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.lead-success h4{font-size:24px;font-weight:600;margin-bottom:12px}
.lead-success p{font-size:14.5px;color:var(--ink-soft, #000);line-height:1.9;max-width:26em;margin:0 auto 30px}
.lead-success .lead-wechat{margin:0 auto 24px}
.lead-wechat strong{display:block;font-size:16px;line-height:1.6}
.lead-wechat img{display:block;width:208px;max-width:100%;height:auto;margin:12px auto;background:#fff;padding:8px;border-radius:12px}
.lead-success .lead-wechat p{font-size:13px;margin:0 auto 8px}
.lead-wechat a{font-size:13px;text-decoration:underline;text-underline-offset:4px}
.lead-success .acts{display:flex;flex-direction:column;gap:12px;align-items:center}
.lead-success .acts .btn{padding:14px 30px;font-size:14px;border-radius:999px;cursor:pointer;border:1px solid transparent;font-family:inherit;font-weight:600}
.lead-success .acts .btn-light{background:var(--ink, #000);color:#fff}
.lead-success .acts .btn-light:hover{opacity:.9}
.lead-success .acts .btn-ghost{background:transparent;color:var(--ink, #000);border-color:var(--line, #e7e7e3)}
.lead-success .acts .btn-ghost:hover{border-color:var(--ink, #000)}
body.lead-open{overflow:hidden}
@media(max-width:640px){
  .lead-panel{top:auto;left:0;right:0;bottom:0;width:100%;max-height:94svh;border-radius:24px 24px 0 0;transform:translate3d(0,60px,0)}
  .lead-overlay.open .lead-panel{transform:translate3d(0,0,0)}
  .lead-head{padding:26px 22px 16px}
  .lead-progress{padding:0 22px 16px}
  .lead-body{padding:6px 22px 16px}
  .lead-foot{padding:16px 22px 24px}
  .opt-grid{grid-template-columns:1fr}
  .opt{min-height:48px}
}