:root {
 	--cdc-primary: var(--primary-color, #1a1a1a);
 	--cdc-accent: var(--accent-color, #d4af37);
 	--cdc-bg: #ffffff;
 	--cdc-muted: #6b7280;
 	--cdc-border: #e5e7eb;
 	--cdc-card: #ffffff;
 	--cdc-shadow: 0 10px 30px rgba(0,0,0,.06);
 	--cdc-radius: 16px;
 }
 
 .cdc-page { padding: 28px 0; }
 .cdc-container { max-width: 1120px; margin: 0 auto; padding: 0 18px; }
 
 .cdc-panel {
 	background: #fff;
 	border: 1px solid var(--cdc-border);
 	border-radius: var(--cdc-radius);
 	box-shadow: var(--cdc-shadow);
 	padding: 16px;
 }
 
 .cdc-section-title {
 	font-size: 18px;
 	margin: 0 0 12px;
 	font-weight: 700;
 	color: var(--cdc-primary);
 }
 
 .cdc-muted { color: var(--cdc-muted); font-size: 13px; }
 
 .cdc-btn {
 	display: inline-block;
 	background: var(--cdc-primary);
 	color: #fff;
 	border: 1px solid var(--cdc-primary);
 	padding: 10px 14px;
 	border-radius: 10px;
 	text-decoration: none;
 	font-weight: 600;
 	cursor: pointer;
 }
 .cdc-btn:hover { opacity: .92; }
 
 .cdc-badge {
 	display: inline-flex;
 	align-items: center;
 	border: 1px solid var(--cdc-border);
 	padding: 6px 10px;
 	border-radius: 999px;
 	font-size: 12px;
 	color: var(--cdc-primary);
 	background: #fff;
 }
 .cdc-badge-accent { border-color: rgba(212,175,55,.4); background: rgba(212,175,55,.10); }
 
 .cdc-course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
 @media (max-width: 1024px) { .cdc-course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
 @media (max-width: 640px) { .cdc-course-grid { grid-template-columns: 1fr; } }
 
 .cdc-card {
 	background: var(--cdc-card);
 	border: 1px solid var(--cdc-border);
 	border-radius: 16px;
 	padding: 0;
 	box-shadow: var(--cdc-shadow);
 	overflow: hidden;
 	transition: transform .15s ease, box-shadow .15s ease;
 }
 .cdc-card:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(0,0,0,.10); }
 .cdc-card-media { display: block; text-decoration: none; }
 .cdc-card-thumb { width: 100%; height: 170px; object-fit: cover; display: block; background: #f3f4f6; }
 .cdc-card-thumb--placeholder { background: linear-gradient(135deg, rgba(212,175,55,.20), rgba(0,0,0,.06)), linear-gradient(0deg, #f3f4f6, #f3f4f6); }
 .cdc-card-body { padding: 16px; }
 .cdc-card-header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 10px; }
 .cdc-card-title { font-size: 16px; font-weight: 700; color: var(--cdc-primary); line-height: 1.2; }
 .cdc-badges { display: flex; gap: 8px; flex-wrap: wrap; }
 .cdc-card-desc { color: var(--cdc-muted); font-size: 13px; line-height: 1.5; margin-bottom: 12px; }
 .cdc-card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 12px; }
 .cdc-meta-chip { display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 999px; font-size: 12px; border: 1px solid var(--cdc-border); background: #fff; color: var(--cdc-primary); }
 .cdc-card-lessons { border-top: 1px solid var(--cdc-border); padding-top: 12px; margin-top: 10px; }
 .cdc-card-lessons-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--cdc-muted); margin-bottom: 8px; }
 .cdc-card-lessons-list { margin: 0; padding-left: 18px; color: var(--cdc-primary); font-size: 13px; }
 .cdc-card-lessons-list li { margin: 4px 0; }
 .cdc-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
 .cdc-countdown { margin: 12px 0 0; padding: 10px 12px; border: 1px dashed rgba(212,175,55,.55); border-radius: 12px; background: rgba(212,175,55,.08); font-size: 13px; color: var(--cdc-primary); }
 
 .cdc-course-title { font-size: 28px; margin: 0 0 10px; font-weight: 800; color: var(--cdc-primary); }
 .cdc-course-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
 .cdc-meta-item { font-size: 13px; color: var(--cdc-muted); }
 .cdc-course-body { margin: 10px 0 18px; color: var(--cdc-primary); }
 .cdc-callout { border: 1px solid var(--cdc-border); border-radius: 16px; padding: 16px; background: #fff; box-shadow: var(--cdc-shadow); }
 
 .cdc-course-layout,
 .cdc-lesson-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 18px; }
 @media (max-width: 1024px) { .cdc-course-layout, .cdc-lesson-layout { grid-template-columns: 1fr; } }
 
 .cdc-lessons { display: flex; flex-direction: column; gap: 8px; }
 .cdc-lesson-item { display: block; padding: 12px 12px; border-radius: 10px; border: 1px solid var(--cdc-border); background: #fafafa; text-decoration: none; color: var(--cdc-primary); font-size: 13px; line-height: 1.25; }
 .cdc-lesson-item:hover { border-color: rgba(0,0,0,.25); }
 .cdc-lesson-item.is-active { background: var(--cdc-primary); color: #fff; border-color: var(--cdc-primary); }
 
 .cdc-course-header { text-align: center; margin-bottom: 18px; }
 .cdc-course-body { max-width: 760px; margin: 0 auto 22px; }
 
 .cdc-video { background: #000; border-radius: var(--cdc-radius); overflow: hidden; }
 .cdc-video iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border-radius: 16px; }
 
 .cdc-lesson-title { font-size: 20px; margin: 12px 0 6px; font-weight: 800; color: var(--cdc-primary); }
 .cdc-lesson-intro { color: var(--cdc-muted); font-size: 14px; line-height: 1.6; margin-bottom: 14px; }
 
 .cdc-comments { background: #fff; border: 1px solid var(--cdc-border); border-radius: var(--cdc-radius); padding: 16px; box-shadow: var(--cdc-shadow); margin-top: 18px; }
 .cdc-comments input[type="text"],
 .cdc-comments input[type="email"],
 .cdc-comments input[type="url"],
 .cdc-comments textarea { width: 100%; max-width: 100%; border-radius: 12px; border: 1px solid var(--cdc-border); padding: 10px 12px; }
 .cdc-comments input[type="submit"],
 .cdc-comments button[type="submit"] { background: var(--cdc-primary); border: 1px solid var(--cdc-primary); color: #fff; padding: 10px 14px; border-radius: 10px; font-weight: 600; }
 
 .cdc-lesson-materials { display: flex; flex-direction: column; gap: 10px; }
 .cdc-course-materials-group { margin: 12px 0; padding-top: 12px; border-top: 1px dashed rgba(0,0,0,.12); }
 .cdc-course-materials-group:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
 .cdc-course-materials-lesson { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--cdc-muted); margin-bottom: 10px; }
 
 .cdc-lesson-material { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--cdc-border); background: #fafafa; text-decoration: none; color: var(--cdc-primary); }
 .cdc-lesson-material:hover { border-color: rgba(0,0,0,.25); }
 .cdc-lesson-material-kind { display: inline-flex; align-items: center; justify-content: center; min-width: 52px; height: 26px; padding: 0 10px; border-radius: 999px; font-size: 12px; font-weight: 700; border: 1px solid rgba(212,175,55,.40); background: rgba(212,175,55,.10); color: var(--cdc-primary); }
 .cdc-lesson-material-title { font-size: 13px; line-height: 1.25; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; word-break: break-word; }