/* course-depth 专属样式：全部限定 .course-depth 作用域，不污染 review/原官网 shell。 */
.course-depth{margin-top:28px;border-top:2px solid var(--line,#d8d2c4);padding-top:8px}
.course-depth-banner{margin:12px 0}
.cd-toc{display:flex;flex-wrap:wrap;gap:8px 16px;margin:8px 0 20px;font-size:.92rem}
.cd-toc a{color:var(--accent,#3f5b4f);text-decoration:underline;text-underline-offset:3px}
.cd-philosophy{border-left:3px solid var(--accent,#3f5b4f);margin:16px 0;padding:8px 16px;background:rgba(0,0,0,.03)}
.cd-philosophy cite{display:block;margin-top:6px;font-size:.85rem;color:#666}
.cd-en{color:#777;font-size:.9em;font-style:italic}
.cd-flag{display:inline-block;margin-left:8px;padding:1px 8px;border:1px solid #b58900;border-radius:10px;font-size:.78rem;color:#8a6d00;background:#fff8e1;white-space:nowrap}
.cd-objectives li{margin:6px 0}
.cd-structures{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.cd-structures article{border:1px solid var(--line,#d8d2c4);border-radius:8px;padding:12px 16px}
.cd-structures h3{margin:0 0 8px;font-size:1.05rem}
.cd-structures ul{margin:0;padding-left:18px}
.cd-day{margin:10px 0;border:1px solid var(--line,#d8d2c4);border-radius:8px;padding:10px 16px}
.cd-day summary{cursor:pointer;display:flex;flex-wrap:wrap;gap:10px;align-items:baseline}
.cd-day-label{font-weight:700}
.cd-day-time{color:#666}
.cd-day-topics{color:var(--accent,#3f5b4f)}
.cd-block{margin:10px 0 14px}
.cd-block-time{font-weight:600;margin:8px 0 4px}
.cd-src{font-size:.82rem;color:#777}
.cd-media li,.cd-cautions li{margin:6px 0}
.cd-media-meta{font-size:.85rem;color:#666}
.cd-media-note{font-size:.85rem;color:#666}
.cd-table{border-collapse:collapse;width:100%;font-size:.88rem;margin:10px 0}
.cd-table th,.cd-table td{border:1px solid var(--line,#d8d2c4);padding:6px 8px;text-align:left;vertical-align:top}
.cd-table caption{text-align:left;font-weight:600;margin-bottom:6px}
.cd-sales{border:1px solid var(--line,#d8d2c4);border-radius:8px;padding:10px 16px;margin:10px 0}
.cd-sales h3{margin:0 0 6px;font-size:1rem}
.cd-avoid{color:#8a3b12}
.cd-staff-meta{font-size:.88rem;color:#555;border:1px dashed #b58900;padding:8px 12px;border-radius:8px;background:#fffdf5}
@media (max-width:640px){
  .cd-day summary{display:block}
  .cd-structures{grid-template-columns:1fr}
  .course-depth .cd-table{display:block;overflow-x:auto}
}