.pop{display:none;position:absolute;top:calc(100% + 8px);left:0;z-index:30;width:min(320px,85cqi);background:#fff;border:1.5px solid blue;border-radius:10px;padding:10px 12px;font-size:13px;font-weight:400;box-shadow:0 8px 24px rgba(0,0,60,.15);color:var(--text)}
.pop.open{display:block}
.pop p{margin-top:4px}
.pop i{color:var(--muted);font-style:normal;font-weight:600}
.pop-warn{margin-top:8px!important;padding-top:8px;border-top:1px solid #f0e0e0;color:#a83c3c;font-weight:600}
.pop:before{content:"";position:absolute;top:-7px;left:14px;width:12px;height:12px;background:#fff;border-left:1.5px solid blue;border-top:1.5px solid blue;transform:rotate(45deg)}
.q-demo{cursor:default;vertical-align:middle;margin:0 1px 3px}

.modal-bd{display:none;position:fixed;inset:0;background:rgba(20,20,35,.55);z-index:100;align-items:center;justify-content:center;padding:20px}
.modal-bd.open{display:flex}
.modal-panel{background:#fff;border-radius:14px;max-width:640px;width:100%;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-wide .modal-panel{max-width:880px}
.modal-panel.modal-small{max-width:420px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
.modal-head{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid #eee}
.modal-head h2{font-size:18px;color:#1a1a3d}
.modal-x{margin-left:auto;background:none;border:0;font-size:20px;color:var(--muted);cursor:pointer;line-height:1;padding:4px}
.modal-x:hover{color:var(--text)}
.modal-body{padding:18px 22px 22px;overflow-y:auto}
.bp-sec{margin-top:18px}
.bp-sec:first-child{margin-top:0}
.bp-sec h3{font-size:14.5px;color:#1a2fb0;margin-bottom:8px}
.bp-sec ul,.bp-sec ol{padding-left:19px}
.bp-sec li{margin-top:6px;font-size:13.5px;line-height:1.55;color:var(--text)}
.bp-method{background:#f4f5ff;border-radius:10px;padding:14px 16px 14px 30px}
.bp-legal{background:#fff8ee;border:1px solid #f0dfc0;border-radius:10px;padding:14px 16px}
.bp-legal h3{color:#8a5a10}
.bp-disclaimer{margin-top:16px;font-size:12px;color:var(--muted);font-style:italic;border-top:1px dashed #ddd;padding-top:12px}
.bp-todo{background:#fff0e0;color:#a05a10;border:1px dashed #e0a060;border-radius:5px;padding:1px 6px;font-weight:600;font-size:12.5px}
.examples-btn{margin:14px auto 0;display:block}
.ex-intro{font-size:13px;color:var(--muted);margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed #ddd}
.ex-card{margin-top:14px}
.ex-card:first-of-type{margin-top:0}
.ex-cat{display:inline-block;font-size:11.5px;font-weight:700;color:var(--out);background:var(--out-bg);border-radius:999px;padding:3px 10px;margin-bottom:6px}
.ex-txt{white-space:pre-wrap;background:#f7f7fb;border:1px dashed #ccc;border-radius:8px;padding:10px 12px;font-size:13px;line-height:1.6;color:var(--text);font-family:ui-monospace,Consolas,monospace}

.coach{display:none;position:fixed;bottom:22px;right:22px;max-width:300px;background:#22223d;color:#fff;border-radius:12px;padding:16px 18px;box-shadow:0 10px 30px rgba(0,0,0,.3);z-index:70;font-size:13px;line-height:1.5}
.coach.show{display:block;animation:coachin .35s ease}
.coach p{margin-top:6px}
.coach p:first-child{margin-top:0}
.coach b{color:#bcc4ff}
.coach-x{position:absolute;top:8px;right:10px;background:none;border:0;color:#aaa;font-size:16px;cursor:pointer;line-height:1;padding:4px}
.coach-x:hover{color:#fff}
@keyframes coachin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:480px){.coach{left:16px;right:16px;bottom:78px;max-width:none}}