/* 中经学堂 · 课程资料长卷阅读器样式（前台资料查看 / 后台预览共用） */
#mz{display:grid;grid-template-columns:196px minmax(0,1fr);gap:14px;align-items:start}
.mz-side{background:#F8FAFC;border:1px solid #E8ECF2;border-radius:12px;padding:11px 9px;max-height:660px;overflow:auto}
.mz-side-h{font-size:12px;font-weight:700;color:#374151;padding:2px 6px 9px}
.mz-cnt{color:#9CA3AF;font-weight:400}
.mz-list{display:flex;flex-direction:column;gap:6px}
.mz-item{width:100%;text-align:left;padding:9px 10px;border-radius:9px;border:1px solid transparent;background:#fff;cursor:pointer;transition:border-color .15s,background .15s;line-height:1.4}
.mz-item:hover{border-color:#C7D2FE}
.mz-item.on{border-color:#1b45f5;background:#EEF2FF}
.mz-item-nm{font-size:12px;color:#111827;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mz-item.on .mz-item-nm{color:#1b45f5;font-weight:600}
.mz-item-meta{font-size:10.5px;color:#9CA3AF;margin-top:3px;display:flex;align-items:center;gap:4px}
.mz-main{border:1px solid #E8ECF2;border-radius:12px;overflow:hidden;background:#fff}
.mz-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 15px;border-bottom:1px solid #F1F5F9}
.mz-title{font-size:13px;font-weight:700;color:#111827;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mz-note{font-size:11px;color:#9CA3AF;display:flex;align-items:center;gap:4px;flex-shrink:0}
.mz-scroll{position:relative;height:660px;overflow-y:auto;overflow-x:hidden;background:#EDEFF3;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.mz-doc{position:relative;z-index:1;padding:12px 0 28px}
.mz-wm{position:absolute;inset:0;z-index:2;pointer-events:none;background-repeat:repeat;background-size:250px 156px}
.mz-tip{padding:46px 20px;text-align:center;font-size:13px;color:#9CA3AF}
.mz-page{display:block;width:100%;background:#fff;box-shadow:0 1px 3px rgba(15,23,42,.06);margin:0 auto 6px;max-width:900px}
.mz-ph{max-width:900px;margin:0 auto 6px;background:#fff;display:flex;align-items:center;justify-content:center;color:#D5DBE3;font-size:12px}
.mz-article{max-width:900px;margin:0 auto;background:#fff;padding:40px 52px 60px;font-size:15px;line-height:2;color:#1F2937;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.mz-h{margin:26px 0 10px;font-weight:800;color:#0F172A;line-height:1.5}
.mz-h1{font-size:23px;margin-top:0;padding-bottom:14px;border-bottom:2px solid #EEF2FF}
.mz-h2{font-size:19px}.mz-h3{font-size:16.5px}.mz-h4{font-size:15.5px}.mz-h5,.mz-h6{font-size:14.5px;color:#374151}
.mz-p{margin:9px 0;text-align:justify}
.mz-li{margin:7px 0 7px 20px;position:relative;text-align:justify}
.mz-li:before{content:'';position:absolute;left:-13px;top:13px;width:5px;height:5px;border-radius:50%;background:#1b45f5}
.mz-quote{margin:14px 0;padding:9px 16px;border-left:3px solid #1b45f5;background:#F6F8FF;color:#4B5563;font-size:14px}
.mz-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13.5px}
.mz-table td{border:1px solid #E5E7EB;padding:8px 11px;vertical-align:top}
.mz-table tr:first-child td{background:#F8FAFC;font-weight:600;color:#374151}
.mz-img{display:block;max-width:100%;height:auto;margin:14px auto;opacity:0;transition:opacity .25s}
.mz-deck{max-width:900px;margin:0 auto}
.mz-slide{background:#fff;padding:34px 40px 46px;margin:0 0 7px;position:relative;min-height:170px;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.mz-slide .mz-h{font-size:20px;margin-top:0;margin-bottom:14px;padding-bottom:11px;border-bottom:2px solid #EEF2FF}
.mz-slide .mz-p{font-size:15px;line-height:1.95}
.mz-slide-n{position:absolute;right:16px;bottom:10px;font-size:10.5px;color:#D1D5DB;letter-spacing:.5px}
.mz-lock{padding:64px 26px;text-align:center;background:#fff;max-width:900px;margin:0 auto}
.mz-lock-ic{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:#F1F5FF;color:#1b45f5;display:flex;align-items:center;justify-content:center}
.mz-lock-t{font-size:16px;font-weight:700;color:#111827}
.mz-lock-s{font-size:12.5px;color:#9CA3AF;margin-top:8px;line-height:1.7}
.mz-lock-btn{margin-top:18px;display:inline-block;padding:10px 26px;border-radius:11px;background:#1b45f5;color:#fff;font-size:14px;font-weight:700;border:0;cursor:pointer}
.mz-loading{padding:60px 20px;text-align:center;font-size:13px;color:#9CA3AF}
@media(max-width:860px){
  #mz{grid-template-columns:1fr}
  .mz-side{max-height:none;overflow:visible}
  .mz-list{flex-direction:row;overflow-x:auto;padding-bottom:2px}
  .mz-item{min-width:150px}
  .mz-scroll{height:520px}
  .mz-article{padding:24px 20px 40px;font-size:14.5px}
  .mz-slide{padding:22px 20px 38px}
}
@media print{#mz{display:none!important}}